[INFO] updating cached repository TheJP/Oxidation [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/TheJP/Oxidation [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/TheJP/Oxidation" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/TheJP/Oxidation"` [INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/TheJP/Oxidation'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/TheJP/Oxidation" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/TheJP/Oxidation"` [INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/TheJP/Oxidation'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 3146203076c5a460b95381394c4e82c876a20e79 [INFO] sha for GitHub repo TheJP/Oxidation: 3146203076c5a460b95381394c4e82c876a20e79 [INFO] validating manifest of TheJP/Oxidation on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of TheJP/Oxidation on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing TheJP/Oxidation [INFO] finished frobbing TheJP/Oxidation [INFO] frobbed toml for TheJP/Oxidation written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/TheJP/Oxidation/Cargo.toml [INFO] started frobbing TheJP/Oxidation [INFO] finished frobbing TheJP/Oxidation [INFO] frobbed toml for TheJP/Oxidation written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/TheJP/Oxidation/Cargo.toml [INFO] crate TheJP/Oxidation already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] checking TheJP/Oxidation against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-5/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/TheJP/Oxidation:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 55d8b9338080f5657c5dd92d248db95cf788220ad9702962a5b2a7712a17800a [INFO] running `"docker" "start" "-a" "55d8b9338080f5657c5dd92d248db95cf788220ad9702962a5b2a7712a17800a"` [INFO] [stderr] Compiling oxidation v0.1.0 (/opt/crater/workdir) [INFO] [stderr] error: failed to run custom build command for `oxidation v0.1.0 (/opt/crater/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/oxidation-032d1f92e24e34cb/build-script-build` (exit code: 1) [INFO] [stderr] --- stderr [INFO] [stderr] mkdir: cannot create directory 'target': Read-only file system [INFO] [stderr] [INFO] running `"docker" "inspect" "55d8b9338080f5657c5dd92d248db95cf788220ad9702962a5b2a7712a17800a"` [INFO] running `"docker" "rm" "-f" "55d8b9338080f5657c5dd92d248db95cf788220ad9702962a5b2a7712a17800a"` [INFO] [stdout] 55d8b9338080f5657c5dd92d248db95cf788220ad9702962a5b2a7712a17800a