[INFO] updating cached repository https://github.com/jmageau/colors-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cd6f7667e6f510ce613409be9020e1ce320cf234
[INFO] testing jmageau/colors-rs against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmageau%2Fcolors-rs" "work/builds/worker-2/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jmageau/colors-rs on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jmageau/colors-rs
[INFO] finished tweaking git repo https://github.com/jmageau/colors-rs
[INFO] tweaked toml for git repo https://github.com/jmageau/colors-rs written to work/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/jmageau/colors-rs already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 860fb9de962ac292b26850c7439d6ca957b30cb7ee186219475957fdcee554a3
[INFO] running `"docker" "start" "-a" "860fb9de962ac292b26850c7439d6ca957b30cb7ee186219475957fdcee554a3"`
[INFO] [stderr]    Compiling clicolors-control v1.0.1
[INFO] [stderr]    Compiling number_prefix v0.2.8
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling chrono v0.4.7
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]    Compiling console v0.8.0
[INFO] [stderr]    Compiling rayon v1.1.0
[INFO] [stderr]    Compiling indicatif v0.11.0
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling image v0.22.1
[INFO] [stderr]    Compiling colors v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `delta_e`
[INFO] [stderr]   --> src/color_functions.rs:34:1
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub fn delta_e(color1: &Color, color2: &Color) -> f64 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.82s
[INFO] running `"docker" "inspect" "860fb9de962ac292b26850c7439d6ca957b30cb7ee186219475957fdcee554a3"`
[INFO] running `"docker" "rm" "-f" "860fb9de962ac292b26850c7439d6ca957b30cb7ee186219475957fdcee554a3"`
[INFO] [stdout] 860fb9de962ac292b26850c7439d6ca957b30cb7ee186219475957fdcee554a3
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 735e1b5b28085b58892144c21f56ac0152765baaa0d230fce0c5025713f01490
[INFO] running `"docker" "start" "-a" "735e1b5b28085b58892144c21f56ac0152765baaa0d230fce0c5025713f01490"`
[INFO] [stderr]    Compiling colors v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `delta_e`
[INFO] [stderr]   --> src/color_functions.rs:34:1
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub fn delta_e(color1: &Color, color2: &Color) -> f64 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.83s
[INFO] running `"docker" "inspect" "735e1b5b28085b58892144c21f56ac0152765baaa0d230fce0c5025713f01490"`
[INFO] running `"docker" "rm" "-f" "735e1b5b28085b58892144c21f56ac0152765baaa0d230fce0c5025713f01490"`
[INFO] [stdout] 735e1b5b28085b58892144c21f56ac0152765baaa0d230fce0c5025713f01490
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 70fa1166c3133d4bf57ca5ec5d7973e3f92c28ef5f108ea0ed9509ca558f1019
[INFO] running `"docker" "start" "-a" "70fa1166c3133d4bf57ca5ec5d7973e3f92c28ef5f108ea0ed9509ca558f1019"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/colors-edcc872925c9023b
[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] running `"docker" "inspect" "70fa1166c3133d4bf57ca5ec5d7973e3f92c28ef5f108ea0ed9509ca558f1019"`
[INFO] running `"docker" "rm" "-f" "70fa1166c3133d4bf57ca5ec5d7973e3f92c28ef5f108ea0ed9509ca558f1019"`
[INFO] [stdout] 70fa1166c3133d4bf57ca5ec5d7973e3f92c28ef5f108ea0ed9509ca558f1019