[INFO] fetching crate rgb-color 0.1.1...
[INFO] testing rgb-color-0.1.1 against 1.90.0 for beta-1.91-3
[INFO] extracting crate rgb-color 0.1.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate rgb-color 0.1.1
[INFO] finished tweaking crates.io crate rgb-color 0.1.1
[INFO] tweaked toml for crates.io crate rgb-color 0.1.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rgb-color 0.1.1 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bfac5b11a10d53cd8a91275f1e5a1b4adacf54a67ccacbc24c215fa2744c6834
[INFO] running `Command { std: "docker" "start" "-a" "bfac5b11a10d53cd8a91275f1e5a1b4adacf54a67ccacbc24c215fa2744c6834", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfac5b11a10d53cd8a91275f1e5a1b4adacf54a67ccacbc24c215fa2744c6834", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfac5b11a10d53cd8a91275f1e5a1b4adacf54a67ccacbc24c215fa2744c6834", kill_on_drop: false }`
[INFO] [stdout] bfac5b11a10d53cd8a91275f1e5a1b4adacf54a67ccacbc24c215fa2744c6834
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab5fdfe02ecd73ae486f54444adce53666970aa370ab9ae6a3cf06baf1405706
[INFO] running `Command { std: "docker" "start" "-a" "ab5fdfe02ecd73ae486f54444adce53666970aa370ab9ae6a3cf06baf1405706", kill_on_drop: false }`
[INFO] [stderr]    Compiling rgb-color v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "ab5fdfe02ecd73ae486f54444adce53666970aa370ab9ae6a3cf06baf1405706", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab5fdfe02ecd73ae486f54444adce53666970aa370ab9ae6a3cf06baf1405706", kill_on_drop: false }`
[INFO] [stdout] ab5fdfe02ecd73ae486f54444adce53666970aa370ab9ae6a3cf06baf1405706
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68bde7d4a7def86f07c898211e51af5aa28a774e87f909f82b607327e11c22f8
[INFO] running `Command { std: "docker" "start" "-a" "68bde7d4a7def86f07c898211e51af5aa28a774e87f909f82b607327e11c22f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling rgb-color v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "68bde7d4a7def86f07c898211e51af5aa28a774e87f909f82b607327e11c22f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68bde7d4a7def86f07c898211e51af5aa28a774e87f909f82b607327e11c22f8", kill_on_drop: false }`
[INFO] [stdout] 68bde7d4a7def86f07c898211e51af5aa28a774e87f909f82b607327e11c22f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 850f3f4089d2d52d191e682a81fdfa948b257b8e2f9d97fe557c45760919b6c8
[INFO] running `Command { std: "docker" "start" "-a" "850f3f4089d2d52d191e682a81fdfa948b257b8e2f9d97fe557c45760919b6c8", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/Color-501856f04c447750)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests Color
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - RGB::to_hex (line 44) ... FAILED
[INFO] [stdout] test src/lib.rs - RGB::contrast_ratio (line 53) ... FAILED
[INFO] [stdout] test src/lib.rs - luminance (line 7) ... FAILED
[INFO] [stdout] test src/lib.rs - RGB::from_hex (line 63) ... FAILED
[INFO] [stdout] test src/lib.rs - RGB (line 25) ... FAILED
[INFO] [stdout] test src/lib.rs - RGB::inverted (line 32) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - RGB::to_hex (line 44) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `rgb` in this scope
[INFO] [stdout]  --> src/lib.rs:45:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | let color_hex = rgb.to_hex();
[INFO] [stdout]   |                 ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - RGB::contrast_ratio (line 53) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `rgb` in this scope
[INFO] [stdout]  --> src/lib.rs:54:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | let contrast = rgb.contrast_ratio([0, 0, 0]);
[INFO] [stdout]   |                ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - luminance (line 7) stdout ----
[INFO] [stdout] error[E0425]: cannot find function `luminance` in this scope
[INFO] [stdout]  --> src/lib.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | let lum = luminance([255, 0, 255]);
[INFO] [stdout]   |           ^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]   |
[INFO] [stdout] 2 + use Color::luminance;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - RGB::from_hex (line 63) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `RGB`
[INFO] [stdout]  --> src/lib.rs:64:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | let rgb2 = RGB::from_hex("#00ff00");
[INFO] [stdout]   |            ^^^ use of undeclared type `RGB`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use Color::RGB;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - RGB (line 25) stdout ----
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `RGB` in this scope
[INFO] [stdout]  --> src/lib.rs:26:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | let rgb = RGB([0, 0, 0]);
[INFO] [stdout]   |           ^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this tuple struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use Color::RGB;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - RGB::inverted (line 32) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `rgb` in this scope
[INFO] [stdout]  --> src/lib.rs:33:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | let inverted_rgb = rgb.inverted();
[INFO] [stdout]   |                    ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `rgb` in this scope
[INFO] [stdout]  --> src/lib.rs:34:33
[INFO] [stdout]   |
[INFO] [stdout] 4 |     assert_eq!([255, 255, 255], rgb.0);
[INFO] [stdout]   |                                 ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - RGB (line 25)
[INFO] [stdout]     src/lib.rs - RGB::contrast_ratio (line 53)
[INFO] [stdout]     src/lib.rs - RGB::from_hex (line 63)
[INFO] [stdout]     src/lib.rs - RGB::inverted (line 32)
[INFO] [stdout]     src/lib.rs - RGB::to_hex (line 44)
[INFO] [stdout]     src/lib.rs - luminance (line 7)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 6 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.25s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "850f3f4089d2d52d191e682a81fdfa948b257b8e2f9d97fe557c45760919b6c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "850f3f4089d2d52d191e682a81fdfa948b257b8e2f9d97fe557c45760919b6c8", kill_on_drop: false }`
[INFO] [stdout] 850f3f4089d2d52d191e682a81fdfa948b257b8e2f9d97fe557c45760919b6c8
