[INFO] fetching crate libchip8 0.1.2...
[INFO] extracting crate libchip8 0.1.2 into work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/libchip8/0.1.2
[INFO] extracting crate libchip8 0.1.2 into work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/reg/libchip8/0.1.2
[INFO] validating manifest of libchip8-0.1.2 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 libchip8-0.1.2 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 libchip8-0.1.2
[INFO] finished frobbing libchip8-0.1.2
[INFO] frobbed toml for libchip8-0.1.2 written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/libchip8/0.1.2/Cargo.toml
[INFO] started frobbing libchip8-0.1.2
[INFO] finished frobbing libchip8-0.1.2
[INFO] frobbed toml for libchip8-0.1.2 written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/reg/libchip8/0.1.2/Cargo.toml
[INFO] crate libchip8-0.1.2 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] 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 libchip8-0.1.2 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/libchip8/0.1.2:/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] 3f4e45d3472cc4684e5fe47661d4694de95567d01e4071226146d582f966885b
[INFO] running `"docker" "start" "-a" "3f4e45d3472cc4684e5fe47661d4694de95567d01e4071226146d582f966885b"`
[INFO] [stderr]    Compiling syn v0.15.36
[INFO] [stderr]    Compiling serde v1.0.92
[INFO] [stderr]    Compiling minifb v0.11.2
[INFO] [stderr]    Compiling x11-dl v2.14.0
[INFO] [stderr]     Checking flate2 v1.0.8
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stderr]    Compiling structopt-derive v0.2.16
[INFO] [stderr]     Checking structopt v0.2.16
[INFO] [stderr]     Checking serde-value v0.5.3
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking serde_yaml v0.8.9
[INFO] [stderr]     Checking env_logger v0.6.1
[INFO] [stderr]     Checking libchip8 v0.1.2 (/opt/crater/workdir)
[INFO] [stderr]     Checking log4rs v0.8.3
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.76s
[INFO] running `"docker" "inspect" "3f4e45d3472cc4684e5fe47661d4694de95567d01e4071226146d582f966885b"`
[INFO] running `"docker" "rm" "-f" "3f4e45d3472cc4684e5fe47661d4694de95567d01e4071226146d582f966885b"`
[INFO] [stdout] 3f4e45d3472cc4684e5fe47661d4694de95567d01e4071226146d582f966885b