[INFO] fetching crate random_color 0.5.0...
[INFO] testing random_color-0.5.0 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate random_color 0.5.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate random_color 0.5.0 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate random_color 0.5.0
[INFO] finished tweaking crates.io crate random_color 0.5.0
[INFO] tweaked toml for crates.io crate random_color 0.5.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 58ad867bae3dc95fb09a2b56af73d91899178b365e6860b07fed72da36155d19
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "58ad867bae3dc95fb09a2b56af73d91899178b365e6860b07fed72da36155d19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58ad867bae3dc95fb09a2b56af73d91899178b365e6860b07fed72da36155d19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58ad867bae3dc95fb09a2b56af73d91899178b365e6860b07fed72da36155d19", kill_on_drop: false }`
[INFO] [stdout] 58ad867bae3dc95fb09a2b56af73d91899178b365e6860b07fed72da36155d19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bb2b2288dc661a7e019be94d44692f21fb74dce9020869e1f32cef0ca6213c11
[INFO] running `Command { std: "docker" "start" "-a" "bb2b2288dc661a7e019be94d44692f21fb74dce9020869e1f32cef0ca6213c11", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling random_color v0.5.0 (/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 4.91s
[INFO] running `Command { std: "docker" "inspect" "bb2b2288dc661a7e019be94d44692f21fb74dce9020869e1f32cef0ca6213c11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb2b2288dc661a7e019be94d44692f21fb74dce9020869e1f32cef0ca6213c11", kill_on_drop: false }`
[INFO] [stdout] bb2b2288dc661a7e019be94d44692f21fb74dce9020869e1f32cef0ca6213c11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2a76a210142ab0718b18873ccbf6f1dac1a84ef7c309e500b6398dccb393b528
[INFO] running `Command { std: "docker" "start" "-a" "2a76a210142ab0718b18873ccbf6f1dac1a84ef7c309e500b6398dccb393b528", kill_on_drop: false }`
[INFO] [stderr]    Compiling random_color v0.5.0 (/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 1.17s
[INFO] running `Command { std: "docker" "inspect" "2a76a210142ab0718b18873ccbf6f1dac1a84ef7c309e500b6398dccb393b528", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a76a210142ab0718b18873ccbf6f1dac1a84ef7c309e500b6398dccb393b528", kill_on_drop: false }`
[INFO] [stdout] 2a76a210142ab0718b18873ccbf6f1dac1a84ef7c309e500b6398dccb393b528
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e66e73676d7621574c468ba99bdcf224012d4cd80fde3b15777b3538ba1854f9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e66e73676d7621574c468ba99bdcf224012d4cd80fde3b15777b3538ba1854f9", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> 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] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> 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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/random_color-f6ebb7a3787834f3
[INFO] [stdout] running 14 tests
[INFO] [stdout] test tests::accept_values ... ok
[INFO] [stdout] test tests::generates_color_as_rgb_array ... ok
[INFO] [stdout] test tests::single_digit_hex_are_padded_by_to_two_chars ... ok
[INFO] [stdout] test tests::to_hex_is_rrggbb ... ok
[INFO] [stdout] test tests::seed_by_string ... ok
[INFO] [stdout] test tests::seed_by_u64 ... ok
[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_hsla_string ... ok
[INFO] [stdout] test tests::seed_by_i64 ... ok
[INFO] [stdout] test tests::generates_color_as_hsl_string ... ok
[INFO] [stdout] test tests::generates_color_as_hsv_array ... ok
[INFO] [stdout] test tests::generates_color_as_hex ... ok
[INFO] [stdout] test tests::generates_color_as_hsl_array ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests random_color
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e66e73676d7621574c468ba99bdcf224012d4cd80fde3b15777b3538ba1854f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e66e73676d7621574c468ba99bdcf224012d4cd80fde3b15777b3538ba1854f9", kill_on_drop: false }`
[INFO] [stdout] e66e73676d7621574c468ba99bdcf224012d4cd80fde3b15777b3538ba1854f9