[INFO] updating cached repository knknkn1162/err_handling_sample_rust [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/knknkn1162/err_handling_sample_rust [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/knknkn1162/err_handling_sample_rust" "work/ex/pr-57617/sources/master#e2f221c75932de7a29845c8d6f1f73536ad00c41/gh/knknkn1162/err_handling_sample_rust"` [INFO] [stderr] Cloning into 'work/ex/pr-57617/sources/master#e2f221c75932de7a29845c8d6f1f73536ad00c41/gh/knknkn1162/err_handling_sample_rust'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/knknkn1162/err_handling_sample_rust" "work/ex/pr-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/gh/knknkn1162/err_handling_sample_rust"` [INFO] [stderr] Cloning into 'work/ex/pr-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/gh/knknkn1162/err_handling_sample_rust'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 03acc2228b9fff813a07174ec102c2bc38572282 [INFO] sha for GitHub repo knknkn1162/err_handling_sample_rust: 03acc2228b9fff813a07174ec102c2bc38572282 [INFO] validating manifest of knknkn1162/err_handling_sample_rust on toolchain master#e2f221c75932de7a29845c8d6f1f73536ad00c41 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e2f221c75932de7a29845c8d6f1f73536ad00c41-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of knknkn1162/err_handling_sample_rust on toolchain try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0bfb90d213a93e466b33d078a5b535a2a6f9c5ff-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing knknkn1162/err_handling_sample_rust [INFO] finished frobbing knknkn1162/err_handling_sample_rust [INFO] frobbed toml for knknkn1162/err_handling_sample_rust written to work/ex/pr-57617/sources/master#e2f221c75932de7a29845c8d6f1f73536ad00c41/gh/knknkn1162/err_handling_sample_rust/Cargo.toml [INFO] started frobbing knknkn1162/err_handling_sample_rust [INFO] finished frobbing knknkn1162/err_handling_sample_rust [INFO] frobbed toml for knknkn1162/err_handling_sample_rust written to work/ex/pr-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/gh/knknkn1162/err_handling_sample_rust/Cargo.toml [INFO] crate knknkn1162/err_handling_sample_rust has a lockfile. skipping [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e2f221c75932de7a29845c8d6f1f73536ad00c41-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0bfb90d213a93e466b33d078a5b535a2a6f9c5ff-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking knknkn1162/err_handling_sample_rust against master#e2f221c75932de7a29845c8d6f1f73536ad00c41 for pr-57617 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57617/worker-0/master#e2f221c75932de7a29845c8d6f1f73536ad00c41:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57617/sources/master#e2f221c75932de7a29845c8d6f1f73536ad00c41/gh/knknkn1162/err_handling_sample_rust:/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" "+e2f221c75932de7a29845c8d6f1f73536ad00c41-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 396b7c07ac7684588c12e140686e5f0381870320131b09c8445dd16ba51ffb4e [INFO] running `"docker" "start" "-a" "396b7c07ac7684588c12e140686e5f0381870320131b09c8445dd16ba51ffb4e"` [INFO] [stderr] Checking advanced v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.41s [INFO] running `"docker" "inspect" "396b7c07ac7684588c12e140686e5f0381870320131b09c8445dd16ba51ffb4e"` [INFO] running `"docker" "rm" "-f" "396b7c07ac7684588c12e140686e5f0381870320131b09c8445dd16ba51ffb4e"` [INFO] [stdout] 396b7c07ac7684588c12e140686e5f0381870320131b09c8445dd16ba51ffb4e