[INFO] fetching crate random_color 0.5.1...
[INFO] testing random_color-0.5.1 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate random_color 0.5.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate random_color 0.5.1 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate random_color 0.5.1
[INFO] finished tweaking crates.io crate random_color 0.5.1
[INFO] tweaked toml for crates.io crate random_color 0.5.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93bda7915c6af8d98ccad50ebda1dc31a1e88b18193136c87286040d7fd1d01a
[INFO] running `Command { std: "docker" "start" "-a" "93bda7915c6af8d98ccad50ebda1dc31a1e88b18193136c87286040d7fd1d01a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93bda7915c6af8d98ccad50ebda1dc31a1e88b18193136c87286040d7fd1d01a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93bda7915c6af8d98ccad50ebda1dc31a1e88b18193136c87286040d7fd1d01a", kill_on_drop: false }`
[INFO] [stdout] 93bda7915c6af8d98ccad50ebda1dc31a1e88b18193136c87286040d7fd1d01a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0526b481bc736f08babffc781b1cd1ec53a84e4d5950e47edee51d8b3db01287
[INFO] running `Command { std: "docker" "start" "-a" "0526b481bc736f08babffc781b1cd1ec53a84e4d5950e47edee51d8b3db01287", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling random_color v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/color_dictionary.rs:166:9
[INFO] [stdout]     |
[INFO] [stdout] 166 |         (minimum_value)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.36s
[INFO] running `Command { std: "docker" "inspect" "0526b481bc736f08babffc781b1cd1ec53a84e4d5950e47edee51d8b3db01287", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0526b481bc736f08babffc781b1cd1ec53a84e4d5950e47edee51d8b3db01287", kill_on_drop: false }`
[INFO] [stdout] 0526b481bc736f08babffc781b1cd1ec53a84e4d5950e47edee51d8b3db01287
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1c549f0df03e25cd947ccfffedb3b31a0115910b1c36fe8570201886521de4e
[INFO] running `Command { std: "docker" "start" "-a" "f1c549f0df03e25cd947ccfffedb3b31a0115910b1c36fe8570201886521de4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling random_color v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/color_dictionary.rs:166:9
[INFO] [stdout]     |
[INFO] [stdout] 166 |         (minimum_value)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/color_dictionary.rs:166:9
[INFO] [stdout]     |
[INFO] [stdout] 166 |         (minimum_value)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "f1c549f0df03e25cd947ccfffedb3b31a0115910b1c36fe8570201886521de4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1c549f0df03e25cd947ccfffedb3b31a0115910b1c36fe8570201886521de4e", kill_on_drop: false }`
[INFO] [stdout] f1c549f0df03e25cd947ccfffedb3b31a0115910b1c36fe8570201886521de4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 907020ce89c83ca741bf5655cfdc03bff6aaddb6687ce205f00c5e07b6ce8d31
[INFO] running `Command { std: "docker" "start" "-a" "907020ce89c83ca741bf5655cfdc03bff6aaddb6687ce205f00c5e07b6ce8d31", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stdout] running 14 tests
[INFO] [stderr]    --> src/color_dictionary.rs:166:9
[INFO] [stdout] test tests::accept_values ... ok
[INFO] [stderr]     |
[INFO] [stdout] test tests::generates_color_as_hex ... ok
[INFO] [stderr] 166 |         (minimum_value)
[INFO] [stdout] test tests::generates_color_as_hsla_string ... ok
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] test tests::generates_color_as_hsv_array ... ok
[INFO] [stderr]     |
[INFO] [stdout] test tests::generates_color_as_rgb_array ... ok
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] test tests::generates_color_as_hsl_array ... ok
[INFO] [stderr] 
[INFO] [stdout] test tests::seed_by_string ... ok
[INFO] [stderr] warning: `random_color` (lib) generated 1 warning
[INFO] [stdout] test tests::seed_by_i64 ... ok
[INFO] [stderr] warning: `random_color` (lib test) generated 1 warning (1 duplicate)
[INFO] [stdout] test tests::seed_by_u64 ... ok
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] test tests::single_digit_hex_are_padded_by_to_two_chars ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/random_color-de223d95124d3c97)
[INFO] [stdout] test tests::to_hex_is_rrggbb ... ok
[INFO] [stderr]    Doc-tests random_color
[INFO] [stdout] test tests::generates_color_as_rgb_string ... ok
[INFO] [stdout] test tests::generates_color_as_rgba_string ... ok
[INFO] [stdout] test tests::generates_color_as_hsl_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> /opt/rustwide/workdir/src/color_dictionary.rs:166:9
[INFO] [stderr]     |
[INFO] [stderr] 166 |         (minimum_value)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 4) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.35s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "907020ce89c83ca741bf5655cfdc03bff6aaddb6687ce205f00c5e07b6ce8d31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "907020ce89c83ca741bf5655cfdc03bff6aaddb6687ce205f00c5e07b6ce8d31", kill_on_drop: false }`
[INFO] [stdout] 907020ce89c83ca741bf5655cfdc03bff6aaddb6687ce205f00c5e07b6ce8d31
