[INFO] fetching crate bitflow 0.5.1...
[INFO] extracting crate bitflow 0.5.1 into work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/bitflow/0.5.1
[INFO] extracting crate bitflow 0.5.1 into work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/reg/bitflow/0.5.1
[INFO] validating manifest of bitflow-0.5.1 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 bitflow-0.5.1 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 bitflow-0.5.1
[INFO] finished frobbing bitflow-0.5.1
[INFO] frobbed toml for bitflow-0.5.1 written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/bitflow/0.5.1/Cargo.toml
[INFO] started frobbing bitflow-0.5.1
[INFO] finished frobbing bitflow-0.5.1
[INFO] frobbed toml for bitflow-0.5.1 written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/reg/bitflow/0.5.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mimesniff v0.3.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking bitflow-0.5.1 against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-2/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/bitflow/0.5.1:/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] 80bb6d5fae579d57b1142a7ff333189d1d75dc6f06d1bbbb9c8378ea3f5fab59
[INFO] running `"docker" "start" "-a" "80bb6d5fae579d57b1142a7ff333189d1d75dc6f06d1bbbb9c8378ea3f5fab59"`
[INFO] [stderr]    Compiling sentry v0.12.1
[INFO] [stderr]     Checking mimesniff v0.3.0
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking slog-scope v4.1.1
[INFO] [stderr]     Checking slog-json v2.3.0
[INFO] [stderr]     Checking tokio-process v0.2.4
[INFO] [stderr]     Checking rusoto_credential v0.39.0
[INFO] [stderr]     Checking debugid v0.3.1
[INFO] [stderr]     Checking reqwest v0.9.18
[INFO] [stderr]     Checking sentry-types v0.8.1
[INFO] [stderr]     Checking rusoto_core v0.39.0
[INFO] [stderr]     Checking rusoto_s3 v0.39.0
[INFO] [stderr]     Checking bitflow v0.5.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.89s
[INFO] running `"docker" "inspect" "80bb6d5fae579d57b1142a7ff333189d1d75dc6f06d1bbbb9c8378ea3f5fab59"`
[INFO] running `"docker" "rm" "-f" "80bb6d5fae579d57b1142a7ff333189d1d75dc6f06d1bbbb9c8378ea3f5fab59"`
[INFO] [stdout] 80bb6d5fae579d57b1142a7ff333189d1d75dc6f06d1bbbb9c8378ea3f5fab59