[INFO] fetching crate rgb-color 0.1.1...
[INFO] testing rgb-color-0.1.1 against 1.54.0 for beta-1.55-1
[INFO] extracting crate rgb-color 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate rgb-color 0.1.1 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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" "+1.54.0" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b6071bf2c8514f0714ab3b759b5834fd4c923a7ab4578c775e0dda1bfa13b215
[INFO] running `Command { std: "docker" "start" "-a" "b6071bf2c8514f0714ab3b759b5834fd4c923a7ab4578c775e0dda1bfa13b215", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6071bf2c8514f0714ab3b759b5834fd4c923a7ab4578c775e0dda1bfa13b215", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6071bf2c8514f0714ab3b759b5834fd4c923a7ab4578c775e0dda1bfa13b215", kill_on_drop: false }`
[INFO] [stdout] b6071bf2c8514f0714ab3b759b5834fd4c923a7ab4578c775e0dda1bfa13b215
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e0504d5e530bb45fc3ead3dc3b42c5ac81cd96071a74b31970a3dec819f9478
[INFO] running `Command { std: "docker" "start" "-a" "0e0504d5e530bb45fc3ead3dc3b42c5ac81cd96071a74b31970a3dec819f9478", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rgb-color v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.44s
[INFO] running `Command { std: "docker" "inspect" "0e0504d5e530bb45fc3ead3dc3b42c5ac81cd96071a74b31970a3dec819f9478", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e0504d5e530bb45fc3ead3dc3b42c5ac81cd96071a74b31970a3dec819f9478", kill_on_drop: false }`
[INFO] [stdout] 0e0504d5e530bb45fc3ead3dc3b42c5ac81cd96071a74b31970a3dec819f9478
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0eb9ce5dca7bed9f134141e517d5bf1b5c447feea8594962d891ba2ff5648f3
[INFO] running `Command { std: "docker" "start" "-a" "c0eb9ce5dca7bed9f134141e517d5bf1b5c447feea8594962d891ba2ff5648f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling rgb-color v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "c0eb9ce5dca7bed9f134141e517d5bf1b5c447feea8594962d891ba2ff5648f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0eb9ce5dca7bed9f134141e517d5bf1b5c447feea8594962d891ba2ff5648f3", kill_on_drop: false }`
[INFO] [stdout] c0eb9ce5dca7bed9f134141e517d5bf1b5c447feea8594962d891ba2ff5648f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 88be6dee93ba3cec55b604bd3e04104dc0015814af0dc9251514796f0ad9d0f1
[INFO] running `Command { std: "docker" "start" "-a" "88be6dee93ba3cec55b604bd3e04104dc0015814af0dc9251514796f0ad9d0f1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/Color-3dc66829e67649ea)
[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 - luminance (line 7) ... FAILED
[INFO] [stdout] test src/lib.rs - RGB::from_hex (line 63) ... FAILED
[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 - 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 - 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 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]   |            ^^^ not found in this scope
[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 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::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 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 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 (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 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 0.30s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "88be6dee93ba3cec55b604bd3e04104dc0015814af0dc9251514796f0ad9d0f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88be6dee93ba3cec55b604bd3e04104dc0015814af0dc9251514796f0ad9d0f1", kill_on_drop: false }`
[INFO] [stdout] 88be6dee93ba3cec55b604bd3e04104dc0015814af0dc9251514796f0ad9d0f1
