[INFO] updating cached repository way-cooler/way-cooler-bg
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/way-cooler/way-cooler-bg
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/way-cooler/way-cooler-bg" "work/ex/beta-1.38-1/sources/1.37.0/gh/way-cooler/way-cooler-bg"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/way-cooler/way-cooler-bg'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/way-cooler/way-cooler-bg" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/way-cooler/way-cooler-bg"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/way-cooler/way-cooler-bg'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9dde66b52f4f113ce8721a5b6ad4dd8e42049f1d
[INFO] sha for GitHub repo way-cooler/way-cooler-bg: 9dde66b52f4f113ce8721a5b6ad4dd8e42049f1d
[INFO] validating manifest of way-cooler/way-cooler-bg on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of way-cooler/way-cooler-bg on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing way-cooler/way-cooler-bg
[INFO] finished frobbing way-cooler/way-cooler-bg
[INFO] frobbed toml for way-cooler/way-cooler-bg written to work/ex/beta-1.38-1/sources/1.37.0/gh/way-cooler/way-cooler-bg/Cargo.toml
[INFO] started frobbing way-cooler/way-cooler-bg
[INFO] finished frobbing way-cooler/way-cooler-bg
[INFO] frobbed toml for way-cooler/way-cooler-bg written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/way-cooler/way-cooler-bg/Cargo.toml
[INFO] crate way-cooler/way-cooler-bg already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing way-cooler/way-cooler-bg against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/way-cooler/way-cooler-bg:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] f2af1a3e704da0b7fec8dd7f4cbb0b34f8a8362f3ba8fdfa34c828a714c69589
[INFO] running `"docker" "start" "-a" "f2af1a3e704da0b7fec8dd7f4cbb0b34f8a8362f3ba8fdfa34c828a714c69589"`
[INFO] [stderr]    Compiling cc v1.0.0
[INFO] [stderr]    Compiling num_cpus v1.7.0
[INFO] [stderr]    Compiling term_size v0.3.0
[INFO] [stderr]    Compiling atty v0.2.3
[INFO] [stderr]    Compiling coco v0.1.1
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling tempfile v2.2.0
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling num-bigint v0.1.40
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling wc-bg v0.3.0 (/opt/crater/workdir)
[INFO] [stderr]    Compiling textwrap v0.8.0
[INFO] [stderr]    Compiling rayon-core v1.2.1
[INFO] [stderr]    Compiling target_build_utils v0.3.1
[INFO] [stderr]    Compiling clap v2.26.2
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]    Compiling num-rational v0.1.39
[INFO] [stderr]    Compiling flate2 v0.2.20
[INFO] [stderr]    Compiling jpeg-decoder v0.1.13
[INFO] [stderr]    Compiling png v0.5.2
[INFO] [stderr]    Compiling image v0.10.4
[INFO] [stderr]    Compiling libloading v0.3.4
[INFO] [stderr]    Compiling dlib v0.3.1
[INFO] [stderr]    Compiling wayland-sys v0.9.10
[INFO] [stderr]    Compiling wayland-client v0.9.10
[INFO] [stderr]    Compiling way-cooler-client-helpers v0.1.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 07s
[INFO] running `"docker" "inspect" "f2af1a3e704da0b7fec8dd7f4cbb0b34f8a8362f3ba8fdfa34c828a714c69589"`
[INFO] running `"docker" "rm" "-f" "f2af1a3e704da0b7fec8dd7f4cbb0b34f8a8362f3ba8fdfa34c828a714c69589"`
[INFO] [stdout] f2af1a3e704da0b7fec8dd7f4cbb0b34f8a8362f3ba8fdfa34c828a714c69589
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/way-cooler/way-cooler-bg:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9dae565987e8123f27c3eead180970de5c3d5ab0081d4aa256bc8ed71b7dc4a1
[INFO] running `"docker" "start" "-a" "9dae565987e8123f27c3eead180970de5c3d5ab0081d4aa256bc8ed71b7dc4a1"`
[INFO] [stderr]    Compiling wc-bg v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: literal out of range for `u8`
[INFO] [stderr]    --> src/main.rs:479:43
[INFO] [stderr]     |
[INFO] [stderr] 479 |     assert_eq!(rgba_conversion(255, 500), 500);
[INFO] [stderr]     |                                           ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(overflowing_literals)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `"docker" "inspect" "9dae565987e8123f27c3eead180970de5c3d5ab0081d4aa256bc8ed71b7dc4a1"`
[INFO] running `"docker" "rm" "-f" "9dae565987e8123f27c3eead180970de5c3d5ab0081d4aa256bc8ed71b7dc4a1"`
[INFO] [stdout] 9dae565987e8123f27c3eead180970de5c3d5ab0081d4aa256bc8ed71b7dc4a1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/way-cooler/way-cooler-bg:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 88cadab52b9b6218002b3a089d6200099c575ec380629525115b83c5eeefab35
[INFO] running `"docker" "start" "-a" "88cadab52b9b6218002b3a089d6200099c575ec380629525115b83c5eeefab35"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/wc_bg-c3af5339b9a860a7
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_rgba_conversion ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "88cadab52b9b6218002b3a089d6200099c575ec380629525115b83c5eeefab35"`
[INFO] running `"docker" "rm" "-f" "88cadab52b9b6218002b3a089d6200099c575ec380629525115b83c5eeefab35"`
[INFO] [stdout] 88cadab52b9b6218002b3a089d6200099c575ec380629525115b83c5eeefab35