I've run into a strange issue in bioconda/bioconda-recipes#64176 where adding stdlib('c') to the build section causes the package build to fail due to a difference in the hashes, as seen in this section of a failing log
2026-04-07T14:17:57.0723124Z 14:17:44 [32mBIOCONDA INFO[0m (OUT) [0m
2026-04-07T14:17:57.0723558Z 14:17:44 [32mBIOCONDA INFO[0m (OUT) Resource usage statistics from testing nohuman:[0m
2026-04-07T14:17:57.0724032Z 14:17:44 [32mBIOCONDA INFO[0m (OUT) Process count: 2[0m
2026-04-07T14:17:57.0724490Z 14:17:44 [32mBIOCONDA INFO[0m (OUT) CPU time: Sys=-, User=0:00:00.0[0m
2026-04-07T14:17:57.0724929Z 14:17:44 [32mBIOCONDA INFO[0m (OUT) Memory: 14.1M[0m
2026-04-07T14:17:57.0725300Z 14:17:44 [32mBIOCONDA INFO[0m (OUT) Disk usage: 16B[0m
2026-04-07T14:17:57.0725703Z 14:17:44 [32mBIOCONDA INFO[0m (OUT) Time elapsed: 0:00:02.0[0m
2026-04-07T14:17:57.0726078Z 14:17:44 [32mBIOCONDA INFO[0m (OUT) [0m
2026-04-07T14:17:57.0726367Z 14:17:44 [32mBIOCONDA INFO[0m (OUT) [0m
2026-04-07T14:17:57.0726895Z 14:17:44 [32mBIOCONDA INFO[0m (OUT) TEST END: /opt/conda/conda-bld/linux-64/nohuman-0.5.1-h4bf21ff_0.conda[0m
2026-04-07T14:17:57.0728057Z 14:17:44 [32mBIOCONDA INFO[0m (OUT) Renaming work directory '/opt/conda/conda-bld/nohuman_1775571179039/work' to '/opt/conda/conda-bld/nohuman_1775571179039/work_moved_nohuman-0.5.1-hee99bd0_0_linux-64_main_build_loop'[0m
2026-04-07T14:17:57.0729517Z 14:17:44 [32mBIOCONDA INFO[0m (OUT) shutil.move(work)=/opt/conda/conda-bld/nohuman_1775571179039/work, dest=/opt/conda/conda-bld/nohuman_1775571179039/work_moved_nohuman-0.5.1-hee99bd0_0_linux-64_main_build_loop)[0m
2026-04-07T14:17:57.0730460Z 14:17:45 [32mBIOCONDA INFO[0m (OUT) # Automatic uploading is disabled[0m
2026-04-07T14:17:57.0731302Z 14:17:45 [32mBIOCONDA INFO[0m (OUT) # If you want to upload package(s) to anaconda.org later, type:[0m
2026-04-07T14:17:57.0731771Z 14:17:45 [32mBIOCONDA INFO[0m (OUT) [0m
2026-04-07T14:17:57.0732063Z 14:17:45 [32mBIOCONDA INFO[0m (OUT) [0m
2026-04-07T14:17:57.0732538Z 14:17:45 [32mBIOCONDA INFO[0m (OUT) # To have conda build upload to anaconda.org automatically, use[0m
2026-04-07T14:17:57.0733355Z 14:17:45 [32mBIOCONDA INFO[0m (OUT) # conda config --set anaconda_upload yes[0m
2026-04-07T14:17:57.0733809Z 14:17:45 [32mBIOCONDA INFO[0m (OUT) anaconda upload \[0m
2026-04-07T14:17:57.0734377Z 14:17:45 [32mBIOCONDA INFO[0m (OUT) /opt/conda/conda-bld/linux-64/nohuman-0.5.1-h4bf21ff_0.conda[0m
2026-04-07T14:17:57.0735004Z 14:17:45 [32mBIOCONDA INFO[0m (OUT) anaconda_upload is not set. Not uploading wheels: [][0m
2026-04-07T14:17:57.0735446Z 14:17:45 [32mBIOCONDA INFO[0m (OUT) [0m
2026-04-07T14:17:57.0736110Z 14:17:45 [32mBIOCONDA INFO[0m (OUT) INFO :: The inputs making up the hashes for the built packages are as follows:[0m
2026-04-07T14:17:57.0736615Z 14:17:45 [32mBIOCONDA INFO[0m (OUT) {[0m
2026-04-07T14:17:57.0737021Z 14:17:45 [32mBIOCONDA INFO[0m (OUT) "nohuman-0.5.1-h4bf21ff_0.conda": {[0m
2026-04-07T14:17:57.0737452Z 14:17:45 [32mBIOCONDA INFO[0m (OUT) "recipe": {[0m
2026-04-07T14:17:57.0737878Z 14:17:45 [32mBIOCONDA INFO[0m (OUT) "CONDA_BUILD_SYSROOT": "",[0m
2026-04-07T14:17:57.0738353Z 14:17:45 [32mBIOCONDA INFO[0m (OUT) "__glibc": "__glibc >=2.17,<3.0.a0",[0m
2026-04-07T14:17:57.0738813Z 14:17:45 [32mBIOCONDA INFO[0m (OUT) "c_compiler": "gcc",[0m
2026-04-07T14:17:57.0739282Z 14:17:45 [32mBIOCONDA INFO[0m (OUT) "c_compiler_version": "14",[0m
2026-04-07T14:17:57.0739730Z 14:17:45 [32mBIOCONDA INFO[0m (OUT) "c_stdlib": "sysroot",[0m
2026-04-07T14:17:57.0740161Z 14:17:45 [32mBIOCONDA INFO[0m (OUT) "c_stdlib_version": "2.17",[0m
2026-04-07T14:17:57.0741032Z 14:17:45 [32mBIOCONDA INFO[0m (OUT) "channel_targets": "bioconda main",[0m
2026-04-07T14:17:57.0741715Z 14:17:45 [32mBIOCONDA INFO[0m (OUT) "rust_compiler": "rust",[0m
2026-04-07T14:17:57.0742185Z 14:17:45 [32mBIOCONDA INFO[0m (OUT) "target_platform": "linux-64",[0m
2026-04-07T14:17:57.0742602Z 14:17:45 [32mBIOCONDA INFO[0m (OUT) "xz": "5"[0m
2026-04-07T14:17:57.0742934Z 14:17:45 [32mBIOCONDA INFO[0m (OUT) }[0m
2026-04-07T14:17:57.0743255Z 14:17:45 [32mBIOCONDA INFO[0m (OUT) }[0m
2026-04-07T14:17:57.0743546Z 14:17:45 [32mBIOCONDA INFO[0m (OUT) }[0m
2026-04-07T14:17:57.0743837Z 14:17:45 [32mBIOCONDA INFO[0m (OUT) [0m
2026-04-07T14:17:57.0744120Z 14:17:45 [32mBIOCONDA INFO[0m (OUT) [0m
2026-04-07T14:17:57.0744632Z 14:17:45 [32mBIOCONDA INFO[0m (OUT) ####################################################################################[0m
2026-04-07T14:17:57.0745138Z 14:17:45 [32mBIOCONDA INFO[0m (OUT) Resource usage summary:[0m
2026-04-07T14:17:57.0745493Z 14:17:45 [32mBIOCONDA INFO[0m (OUT) [0m
2026-04-07T14:17:57.0745837Z 14:17:45 [32mBIOCONDA INFO[0m (OUT) Total time: 0:04:46.6[0m
2026-04-07T14:17:57.0746281Z 14:17:45 [32mBIOCONDA INFO[0m (OUT) CPU usage: sys=0:00:09.3, user=0:03:16.5[0m
2026-04-07T14:17:57.0746779Z 14:17:45 [32mBIOCONDA INFO[0m (OUT) Maximum memory usage observed: 1.0G[0m
2026-04-07T14:17:57.0747332Z 14:17:45 [32mBIOCONDA INFO[0m (OUT) Total disk usage observed (not including envs): 150.0M[0m
2026-04-07T14:17:57.0747924Z 14:17:55 [32mBIOCONDA INFO[0m (OUT) 2026-04-07T14:17:55 Subdir: linux-64 Gathering repodata[0m
2026-04-07T14:17:57.0748499Z 14:17:55 [32mBIOCONDA INFO[0m (OUT) 2026-04-07T14:17:55 linux-64 Writing pre-patch repodata[0m
2026-04-07T14:17:57.0749073Z 14:17:55 [32mBIOCONDA INFO[0m (OUT) 2026-04-07T14:17:55 linux-64 Applying patch instructions[0m
2026-04-07T14:17:57.0749649Z 14:17:55 [32mBIOCONDA INFO[0m (OUT) 2026-04-07T14:17:55 linux-64 Writing patched repodata[0m
2026-04-07T14:17:57.0750246Z 14:17:55 [32mBIOCONDA INFO[0m (OUT) 2026-04-07T14:17:55 linux-64 Building current_repodata subset[0m
2026-04-07T14:17:57.0751116Z 14:17:55 [32mBIOCONDA INFO[0m (OUT) 2026-04-07T14:17:55 Subdir: linux-aarch64 Gathering repodata[0m
2026-04-07T14:17:57.0751738Z 14:17:55 [32mBIOCONDA INFO[0m (OUT) 2026-04-07T14:17:55 linux-aarch64 Writing pre-patch repodata[0m
2026-04-07T14:17:57.0752355Z 14:17:55 [32mBIOCONDA INFO[0m (OUT) 2026-04-07T14:17:55 linux-aarch64 Applying patch instructions[0m
2026-04-07T14:17:57.0753142Z 14:17:55 [32mBIOCONDA INFO[0m (OUT) 2026-04-07T14:17:55 linux-aarch64 Writing patched repodata[0m
2026-04-07T14:17:57.0753723Z 14:17:55 [32mBIOCONDA INFO[0m (OUT) 2026-04-07T14:17:55 Subdir: noarch Gathering repodata[0m
2026-04-07T14:17:57.0754341Z 14:17:55 [32mBIOCONDA INFO[0m (OUT) 2026-04-07T14:17:55 linux-aarch64 Building current_repodata subset[0m
2026-04-07T14:17:57.0754953Z 14:17:55 [32mBIOCONDA INFO[0m (OUT) 2026-04-07T14:17:55 noarch Writing pre-patch repodata[0m
2026-04-07T14:17:57.0755517Z 14:17:55 [32mBIOCONDA INFO[0m (OUT) 2026-04-07T14:17:55 noarch Applying patch instructions[0m
2026-04-07T14:17:57.0756083Z 14:17:55 [32mBIOCONDA INFO[0m (OUT) 2026-04-07T14:17:55 noarch Writing patched repodata[0m
2026-04-07T14:17:57.0756673Z 14:17:55 [32mBIOCONDA INFO[0m (OUT) 2026-04-07T14:17:55 noarch Building current_repodata subset[0m
2026-04-07T14:17:57.0757273Z 14:17:55 [32mBIOCONDA INFO[0m (OUT) 2026-04-07T14:17:55 linux-64 Writing current_repodata subset[0m
2026-04-07T14:17:57.0757852Z 14:17:55 [32mBIOCONDA INFO[0m (OUT) 2026-04-07T14:17:55 linux-64 Writing index HTML[0m
2026-04-07T14:17:57.0758425Z 14:17:55 [32mBIOCONDA INFO[0m (OUT) 2026-04-07T14:17:55 noarch Writing current_repodata subset[0m
2026-04-07T14:17:57.0759051Z 14:17:55 [32mBIOCONDA INFO[0m (OUT) 2026-04-07T14:17:55 linux-aarch64 Writing current_repodata subset[0m
2026-04-07T14:17:57.0759803Z 14:17:55 [32mBIOCONDA INFO[0m (OUT) 2026-04-07T14:17:55 noarch Writing index HTML[0m
2026-04-07T14:17:57.0760375Z 14:17:55 [32mBIOCONDA INFO[0m (OUT) 2026-04-07T14:17:55 linux-aarch64 Writing index HTML[0m
2026-04-07T14:17:57.0760794Z
2026-04-07T14:17:57.0761387Z 14:17:57 [31mBIOCONDA ERROR[0m BUILD FAILED: the built package /opt/mambaforge/envs/bioconda/conda-bld/linux-64/nohuman-0.5.1-hee99bd0_0.conda cannot be found[0m
2026-04-07T14:17:57.0762365Z 14:17:57 [32mBIOCONDA INFO[0m Finished build for recipes/nohuman Free disk space: 116857.66 MB. Free memory: 10943.81 MB (68.44%)[0m
2026-04-07T14:17:57.0762977Z 14:17:57 [32mBIOCONDA INFO[0m (COMMAND) docker system df[0m
2026-04-07T14:17:57.0763478Z 14:17:57 [32mBIOCONDA INFO[0m (OUT) TYPE TOTAL ACTIVE SIZE RECLAIMABLE[0m
2026-04-07T14:17:57.0764050Z 14:17:57 [32mBIOCONDA INFO[0m (OUT) Images 1 0 2.061GB 2.061GB (100%)[0m
2026-04-07T14:17:57.0764588Z 14:17:57 [32mBIOCONDA INFO[0m (OUT) Containers 0 0 0B 0B[0m
2026-04-07T14:17:57.0765123Z 14:17:57 [32mBIOCONDA INFO[0m (OUT) Local Volumes 0 0 0B 0B[0m
2026-04-07T14:17:57.0765630Z 14:17:57 [32mBIOCONDA INFO[0m (OUT) Build Cache 0 0 0B 0B[0m
2026-04-07T14:17:57.0766067Z 14:17:57 [32mBIOCONDA INFO[0m (COMMAND) docker ps -a[0m
2026-04-07T14:17:57.0766606Z 14:17:57 [32mBIOCONDA INFO[0m (OUT) CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES[0m
2026-04-07T14:17:57.0767138Z 14:17:57 [32mBIOCONDA INFO[0m (COMMAND) conda build purge[0m
2026-04-07T14:17:57.0767359Z
2026-04-07T14:17:57.0767363Z
2026-04-07T14:17:57.0767367Z
2026-04-07T14:17:58.0958318Z ⠋ running (0:00:00.00)
2026-04-07T14:17:58.0958666Z
2026-04-07T14:17:58.0959074Z 14:17:58 [32mBIOCONDA INFO[0m (COMMAND) docker container prune -f[0m
2026-04-07T14:17:58.0959346Z
2026-04-07T14:17:58.0959351Z
2026-04-07T14:17:58.0959355Z
2026-04-07T14:17:58.1080959Z ⠋ running (0:00:00.00)
2026-04-07T14:17:58.1081322Z
2026-04-07T14:17:58.1082357Z 14:17:58 [31mBIOCONDA ERROR[0m BUILD SUMMARY: of 1 recipes, 1 failed and 0 were skipped. Details of recipes and environments follow.[0m
2026-04-07T14:17:58.1083540Z 14:17:58 [31mBIOCONDA ERROR[0m BUILD SUMMARY: FAILED recipe recipes/nohuman[0m
2026-04-07T14:18:04.3465480Z ##[error]Process completed with exit code 1.
for some more context, the ARM builds seem to work fine, it just seems to be the linux x86_64 builds. Removing stdlib('c') leads to the package being successfully built on all platforms.
I've run into a strange issue in bioconda/bioconda-recipes#64176 where adding
stdlib('c')to the build section causes the package build to fail due to a difference in the hashes, as seen in this section of a failing logfor some more context, the ARM builds seem to work fine, it just seems to be the linux x86_64 builds. Removing stdlib('c') leads to the package being successfully built on all platforms.