[INFO] cloning repository https://github.com/JakeRoggenbuck/colorgradient-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JakeRoggenbuck/colorgradient-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJakeRoggenbuck%2Fcolorgradient-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJakeRoggenbuck%2Fcolorgradient-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bfe07f2505e0c0df44779af96730547cafb53d7b
[INFO] testing JakeRoggenbuck/colorgradient-rs against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJakeRoggenbuck%2Fcolorgradient-rs" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JakeRoggenbuck/colorgradient-rs on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JakeRoggenbuck/colorgradient-rs
[INFO] finished tweaking git repo https://github.com/JakeRoggenbuck/colorgradient-rs
[INFO] tweaked toml for git repo https://github.com/JakeRoggenbuck/colorgradient-rs written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/JakeRoggenbuck/colorgradient-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d158523e31c48ab2d3cfb0d03df9cee1e34288d3cf287b11fe13b4351fdb74a5
[INFO] running `Command { std: "docker" "start" "-a" "d158523e31c48ab2d3cfb0d03df9cee1e34288d3cf287b11fe13b4351fdb74a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d158523e31c48ab2d3cfb0d03df9cee1e34288d3cf287b11fe13b4351fdb74a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d158523e31c48ab2d3cfb0d03df9cee1e34288d3cf287b11fe13b4351fdb74a5", kill_on_drop: false }`
[INFO] [stdout] d158523e31c48ab2d3cfb0d03df9cee1e34288d3cf287b11fe13b4351fdb74a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e345d1624cd44892bc8476466e77b6d6c100afc9457220ee2a04bce85a954f45
[INFO] running `Command { std: "docker" "start" "-a" "e345d1624cd44892bc8476466e77b6d6c100afc9457220ee2a04bce85a954f45", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling colorgradient-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::process`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::process;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/main.rs:47:10
[INFO] [stdout]     |
[INFO] [stdout] 47  |         );
[INFO] [stdout]     |          ^
[INFO] [stdout] ...
[INFO] [stdout] 175 |         println!("{}", color_bar!(rgb));
[INFO] [stdout]     |                        --------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `color_bar` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:132:5
[INFO] [stdout]     |
[INFO] [stdout] 132 |     stdout().flush();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "e345d1624cd44892bc8476466e77b6d6c100afc9457220ee2a04bce85a954f45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e345d1624cd44892bc8476466e77b6d6c100afc9457220ee2a04bce85a954f45", kill_on_drop: false }`
[INFO] [stdout] e345d1624cd44892bc8476466e77b6d6c100afc9457220ee2a04bce85a954f45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15d48bc6c4354f67b41969ee8f659dcb333b223dc72bf2ba714b2e4060587dd2
[INFO] running `Command { std: "docker" "start" "-a" "15d48bc6c4354f67b41969ee8f659dcb333b223dc72bf2ba714b2e4060587dd2", kill_on_drop: false }`
[INFO] [stderr]    Compiling colorgradient-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::process`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::process;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/main.rs:47:10
[INFO] [stdout]     |
[INFO] [stdout] 47  |         );
[INFO] [stdout]     |          ^
[INFO] [stdout] ...
[INFO] [stdout] 175 |         println!("{}", color_bar!(rgb));
[INFO] [stdout]     |                        --------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `color_bar` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:132:5
[INFO] [stdout]     |
[INFO] [stdout] 132 |     stdout().flush();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "15d48bc6c4354f67b41969ee8f659dcb333b223dc72bf2ba714b2e4060587dd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15d48bc6c4354f67b41969ee8f659dcb333b223dc72bf2ba714b2e4060587dd2", kill_on_drop: false }`
[INFO] [stdout] 15d48bc6c4354f67b41969ee8f659dcb333b223dc72bf2ba714b2e4060587dd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 079aa6bed4687e109d2359afcff4e5f583d13b6910d3f32e709a1023822adc11
[INFO] running `Command { std: "docker" "start" "-a" "079aa6bed4687e109d2359afcff4e5f583d13b6910d3f32e709a1023822adc11", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `std::process`
[INFO] [stdout] running 4 tests
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::process;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]    --> src/main.rs:47:10
[INFO] [stderr]     |
[INFO] [stderr] 47  |         );
[INFO] [stderr]     |          ^
[INFO] [stderr] ...
[INFO] [stderr] 175 |         println!("{}", color_bar!(rgb));
[INFO] [stderr]     |                        --------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]     = note: this warning originates in the macro `color_bar` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/main.rs:132:5
[INFO] [stderr]     |
[INFO] [stderr] 132 |     stdout().flush();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `colorgradient-rs` (bin "colorgradient-rs" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/colorgradient_rs-77cbfb5131ffa021)
[INFO] [stdout] test tests::find_slope_test ... ok
[INFO] [stdout] test tests::closest_whole_numbers_test ... ok
[INFO] [stdout] test tests::get_channels_test ... ok
[INFO] [stdout] test tests::find_y_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "079aa6bed4687e109d2359afcff4e5f583d13b6910d3f32e709a1023822adc11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "079aa6bed4687e109d2359afcff4e5f583d13b6910d3f32e709a1023822adc11", kill_on_drop: false }`
[INFO] [stdout] 079aa6bed4687e109d2359afcff4e5f583d13b6910d3f32e709a1023822adc11