[INFO] crate bitflow 0.5.1 is already in cache
[INFO] extracting crate bitflow 0.5.1 into work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/bitflow/0.5.1
[INFO] extracting crate bitflow 0.5.1 into work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/bitflow/0.5.1
[INFO] validating manifest of bitflow-0.5.1 on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of bitflow-0.5.1 on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-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-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/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-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/bitflow/0.5.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking bitflow-0.5.1 against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-0/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 63980d7e2ae1636bf21075ed5a969660072633009f16f99f6257a709c429313a
[INFO] running `"docker" "start" "-a" "63980d7e2ae1636bf21075ed5a969660072633009f16f99f6257a709c429313a"`
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]    Compiling rusoto_core v0.39.0
[INFO] [stderr]    Compiling im v12.3.4
[INFO] [stderr]    Compiling sentry v0.12.1
[INFO] [stderr]     Checking uname v0.1.1
[INFO] [stderr]     Checking sized-chunks v0.1.3
[INFO] [stderr]     Checking futures-fs v0.0.5
[INFO] [stderr]     Checking mimesniff v0.3.0
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking slog-json v2.3.0
[INFO] [stderr]     Checking rusoto_credential v0.39.0
[INFO] [stderr]     Checking debugid v0.3.1
[INFO] [stderr]     Checking reqwest v0.9.19
[INFO] [stderr]     Checking sentry-types v0.8.1
[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 22.74s
[INFO] running `"docker" "inspect" "63980d7e2ae1636bf21075ed5a969660072633009f16f99f6257a709c429313a"`
[INFO] running `"docker" "rm" "-f" "63980d7e2ae1636bf21075ed5a969660072633009f16f99f6257a709c429313a"`
[INFO] [stdout] 63980d7e2ae1636bf21075ed5a969660072633009f16f99f6257a709c429313a