[INFO] crate libchip8 0.1.2 is already in cache
[INFO] extracting crate libchip8 0.1.2 into work/ex/beta-1.37-6/sources/1.36.0/reg/libchip8/0.1.2
[INFO] extracting crate libchip8 0.1.2 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/libchip8/0.1.2
[INFO] validating manifest of libchip8-0.1.2 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of libchip8-0.1.2 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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/beta-1.37-6/sources/1.36.0/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/beta-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing libchip8-0.1.2 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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=warn" "-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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 3f428eebf83ec66b6a660ba2b46fe45fe8ade5e9e10953121fcb4af72ce0fed1
[INFO] running `"docker" "start" "-a" "3f428eebf83ec66b6a660ba2b46fe45fe8ade5e9e10953121fcb4af72ce0fed1"`
[INFO] [stderr]    Compiling serde v1.0.92
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling libchip8 v0.1.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.36s
[INFO] running `"docker" "inspect" "3f428eebf83ec66b6a660ba2b46fe45fe8ade5e9e10953121fcb4af72ce0fed1"`
[INFO] running `"docker" "rm" "-f" "3f428eebf83ec66b6a660ba2b46fe45fe8ade5e9e10953121fcb4af72ce0fed1"`
[INFO] [stdout] 3f428eebf83ec66b6a660ba2b46fe45fe8ade5e9e10953121fcb4af72ce0fed1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] ea8938280e09d597bcb9186345d90a67b2826cbe3f44d501c56c58205be4bfd2
[INFO] running `"docker" "start" "-a" "ea8938280e09d597bcb9186345d90a67b2826cbe3f44d501c56c58205be4bfd2"`
[INFO] [stderr]    Compiling syn v0.15.36
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling x11-dl v2.14.0
[INFO] [stderr]    Compiling minifb v0.11.2
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling thread-id v3.3.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling serde_yaml v0.8.9
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling env_logger v0.6.1
[INFO] [stderr]    Compiling serde-value v0.5.3
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling flate2 v1.0.8
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stderr]    Compiling structopt-derive v0.2.16
[INFO] [stderr]    Compiling structopt v0.2.16
[INFO] [stderr]    Compiling log4rs v0.8.3
[INFO] [stderr]    Compiling libchip8 v0.1.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.46s
[INFO] running `"docker" "inspect" "ea8938280e09d597bcb9186345d90a67b2826cbe3f44d501c56c58205be4bfd2"`
[INFO] running `"docker" "rm" "-f" "ea8938280e09d597bcb9186345d90a67b2826cbe3f44d501c56c58205be4bfd2"`
[INFO] [stdout] ea8938280e09d597bcb9186345d90a67b2826cbe3f44d501c56c58205be4bfd2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 90c7430b82ac0719c60107699293573da9a094ce61ef978d6e510ad8e67e57cd
[INFO] running `"docker" "start" "-a" "90c7430b82ac0719c60107699293573da9a094ce61ef978d6e510ad8e67e57cd"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/libchip8-5c67cde327491578
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests libchip8
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 7) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "90c7430b82ac0719c60107699293573da9a094ce61ef978d6e510ad8e67e57cd"`
[INFO] running `"docker" "rm" "-f" "90c7430b82ac0719c60107699293573da9a094ce61ef978d6e510ad8e67e57cd"`
[INFO] [stdout] 90c7430b82ac0719c60107699293573da9a094ce61ef978d6e510ad8e67e57cd