[INFO] fetching crate way-cooler-bg 0.2.1...
[INFO] testing way-cooler-bg-0.2.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate way-cooler-bg 0.2.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate way-cooler-bg 0.2.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate way-cooler-bg 0.2.1
[INFO] finished tweaking crates.io crate way-cooler-bg 0.2.1
[INFO] tweaked toml for crates.io crate way-cooler-bg 0.2.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95b2c75963c1a7b53f74216272e252eccdec68b86c75723330d8c56c34b54952
[INFO] running `Command { std: "docker" "start" "-a" "95b2c75963c1a7b53f74216272e252eccdec68b86c75723330d8c56c34b54952", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95b2c75963c1a7b53f74216272e252eccdec68b86c75723330d8c56c34b54952", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95b2c75963c1a7b53f74216272e252eccdec68b86c75723330d8c56c34b54952", kill_on_drop: false }`
[INFO] [stdout] 95b2c75963c1a7b53f74216272e252eccdec68b86c75723330d8c56c34b54952
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9da0efc930a6f09534ddf1661a6b5e5a33b95e2c3ba1c18306394f0a45acb81
[INFO] running `Command { std: "docker" "start" "-a" "a9da0efc930a6f09534ddf1661a6b5e5a33b95e2c3ba1c18306394f0a45acb81", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling lazy_static v0.1.16
[INFO] [stderr]    Compiling inflate v0.1.1
[INFO] [stderr]    Compiling bitflags v0.6.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling libdbus-sys v0.1.5
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]    Compiling xml-rs v0.3.6
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling target_build_utils v0.3.1
[INFO] [stderr]    Compiling dbus v0.5.4
[INFO] [stderr]    Compiling wayland-scanner v0.6.0
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling png v0.5.2
[INFO] [stderr]    Compiling wayland-client v0.6.2
[INFO] [stderr]    Compiling num-rational v0.1.42
[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 v0.6.0
[INFO] [stderr]    Compiling way-cooler-bg v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.78s
[INFO] running `Command { std: "docker" "inspect" "a9da0efc930a6f09534ddf1661a6b5e5a33b95e2c3ba1c18306394f0a45acb81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9da0efc930a6f09534ddf1661a6b5e5a33b95e2c3ba1c18306394f0a45acb81", kill_on_drop: false }`
[INFO] [stdout] a9da0efc930a6f09534ddf1661a6b5e5a33b95e2c3ba1c18306394f0a45acb81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bdcefbbd99ea283a751d12ba441c7c883690f970db62e899029b9271677b87b2
[INFO] running `Command { std: "docker" "start" "-a" "bdcefbbd99ea283a751d12ba441c7c883690f970db62e899029b9271677b87b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling way-cooler-bg v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: literal out of range for `u8`
[INFO] [stdout]    --> src/main.rs:466:43
[INFO] [stdout]     |
[INFO] [stdout] 466 |     assert_eq!(rgba_conversion(255, 500), 500);
[INFO] [stdout]     |                                           ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(overflowing_literals)]` on by default
[INFO] [stdout]     = note: the literal `500` does not fit into the type `u8` whose range is `0..=255`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.84s
[INFO] running `Command { std: "docker" "inspect" "bdcefbbd99ea283a751d12ba441c7c883690f970db62e899029b9271677b87b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdcefbbd99ea283a751d12ba441c7c883690f970db62e899029b9271677b87b2", kill_on_drop: false }`
[INFO] [stdout] bdcefbbd99ea283a751d12ba441c7c883690f970db62e899029b9271677b87b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 057f635919797439b239f86f76ccb5c6a70831d3c300d141c2d590319b1bf4a2
[INFO] running `Command { std: "docker" "start" "-a" "057f635919797439b239f86f76ccb5c6a70831d3c300d141c2d590319b1bf4a2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: literal out of range for `u8`
[INFO] [stderr]    --> src/main.rs:466:43
[INFO] [stderr]     |
[INFO] [stderr] 466 |     assert_eq!(rgba_conversion(255, 500), 500);
[INFO] [stderr]     |                                           ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(overflowing_literals)]` on by default
[INFO] [stderr]     = note: the literal `500` does not fit into the type `u8` whose range is `0..=255`
[INFO] [stderr] 
[INFO] [stderr] warning: `way-cooler-bg` (bin "way-cooler-bg" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.26s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/way_cooler_bg-c9ab871ab602d9c0)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "057f635919797439b239f86f76ccb5c6a70831d3c300d141c2d590319b1bf4a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "057f635919797439b239f86f76ccb5c6a70831d3c300d141c2d590319b1bf4a2", kill_on_drop: false }`
[INFO] [stdout] 057f635919797439b239f86f76ccb5c6a70831d3c300d141c2d590319b1bf4a2