[INFO] crate proofmarshal 0.0.0-prealpha is already in cache
[INFO] extracting crate proofmarshal 0.0.0-prealpha into work/ex/pr-57617/sources/master#e2f221c75932de7a29845c8d6f1f73536ad00c41/reg/proofmarshal/0.0.0-prealpha
[INFO] extracting crate proofmarshal 0.0.0-prealpha into work/ex/pr-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/reg/proofmarshal/0.0.0-prealpha
[INFO] validating manifest of proofmarshal-0.0.0-prealpha 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 proofmarshal-0.0.0-prealpha 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 proofmarshal-0.0.0-prealpha
[INFO] finished frobbing proofmarshal-0.0.0-prealpha
[INFO] frobbed toml for proofmarshal-0.0.0-prealpha written to work/ex/pr-57617/sources/master#e2f221c75932de7a29845c8d6f1f73536ad00c41/reg/proofmarshal/0.0.0-prealpha/Cargo.toml
[INFO] started frobbing proofmarshal-0.0.0-prealpha
[INFO] finished frobbing proofmarshal-0.0.0-prealpha
[INFO] frobbed toml for proofmarshal-0.0.0-prealpha written to work/ex/pr-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/reg/proofmarshal/0.0.0-prealpha/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e2f221c75932de7a29845c8d6f1f73536ad00c41-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0bfb90d213a93e466b33d078a5b535a2a6f9c5ff-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 proofmarshal-0.0.0-prealpha against try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff for pr-57617
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57617/worker-2/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/reg/proofmarshal/0.0.0-prealpha:/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" "+0bfb90d213a93e466b33d078a5b535a2a6f9c5ff-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2fd0b3a3f36c1504adb7b4473ddf4234582507f21b47d91ca16f8cba1ba9faa3
[INFO] running `"docker" "start" "-a" "2fd0b3a3f36c1504adb7b4473ddf4234582507f21b47d91ca16f8cba1ba9faa3"`
[INFO] [stderr]     Checking proofmarshal v0.0.0-prealpha (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `"docker" "inspect" "2fd0b3a3f36c1504adb7b4473ddf4234582507f21b47d91ca16f8cba1ba9faa3"`
[INFO] running `"docker" "rm" "-f" "2fd0b3a3f36c1504adb7b4473ddf4234582507f21b47d91ca16f8cba1ba9faa3"`
[INFO] [stdout] 2fd0b3a3f36c1504adb7b4473ddf4234582507f21b47d91ca16f8cba1ba9faa3