[INFO] fetching crate ansi-colors 0.3.0...
[INFO] testing ansi-colors-0.3.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate ansi-colors 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ansi-colors 0.3.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ansi-colors 0.3.0
[INFO] finished tweaking crates.io crate ansi-colors 0.3.0
[INFO] tweaked toml for crates.io crate ansi-colors 0.3.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate ansi-colors 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e4d39ce9d21e19dcb66a7831545c9ca253835d27eaf1b52cb5a59632482b3b0f
[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" "e4d39ce9d21e19dcb66a7831545c9ca253835d27eaf1b52cb5a59632482b3b0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4d39ce9d21e19dcb66a7831545c9ca253835d27eaf1b52cb5a59632482b3b0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4d39ce9d21e19dcb66a7831545c9ca253835d27eaf1b52cb5a59632482b3b0f", kill_on_drop: false }`
[INFO] [stdout] e4d39ce9d21e19dcb66a7831545c9ca253835d27eaf1b52cb5a59632482b3b0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5195641b487d4c3264abc231c1706032670b0a5500ffd7e398160b1063e1083
[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" "a5195641b487d4c3264abc231c1706032670b0a5500ffd7e398160b1063e1083", kill_on_drop: false }`
[INFO] [stderr]    Compiling ansi-colors v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `colorer`
[INFO] [stdout]   --> src/lib.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     colorer:String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `closer`
[INFO] [stdout]   --> src/lib.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     closer:String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "a5195641b487d4c3264abc231c1706032670b0a5500ffd7e398160b1063e1083", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5195641b487d4c3264abc231c1706032670b0a5500ffd7e398160b1063e1083", kill_on_drop: false }`
[INFO] [stdout] a5195641b487d4c3264abc231c1706032670b0a5500ffd7e398160b1063e1083
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77223ab8ed28801c87e1f67fcbe3df3e6c841369b5b263b5ff0b7e7a43c1eb99
[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" "77223ab8ed28801c87e1f67fcbe3df3e6c841369b5b263b5ff0b7e7a43c1eb99", kill_on_drop: false }`
[INFO] [stdout] warning: field is never read: `colorer`
[INFO] [stdout]   --> src/lib.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     colorer:String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ansi-colors v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `closer`
[INFO] [stdout]   --> src/lib.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     closer:String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `colorer`
[INFO] [stdout]   --> src/lib.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     colorer:String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `closer`
[INFO] [stdout]   --> src/lib.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     closer:String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "77223ab8ed28801c87e1f67fcbe3df3e6c841369b5b263b5ff0b7e7a43c1eb99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77223ab8ed28801c87e1f67fcbe3df3e6c841369b5b263b5ff0b7e7a43c1eb99", kill_on_drop: false }`
[INFO] [stdout] 77223ab8ed28801c87e1f67fcbe3df3e6c841369b5b263b5ff0b7e7a43c1eb99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", 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] b62de3842a9cf1305cd7a84eaecf03e3d12005c72c28d30126d2f6c494969a5a
[INFO] running `Command { std: "docker" "start" "-a" "b62de3842a9cf1305cd7a84eaecf03e3d12005c72c28d30126d2f6c494969a5a", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: field is never read: `colorer`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/lib.rs:40:5
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 40 |     colorer:String,
[INFO] [stdout] 
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `closer`
[INFO] [stderr]   --> src/lib.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     closer:String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `ansi-colors` (lib) generated 2 warnings
[INFO] [stderr] warning: `ansi-colors` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ansi_colors-7cdf898a48eb1d32)
[INFO] [stderr]    Doc-tests ansi_colors
[INFO] [stdout] 
[INFO] [stdout] running 50 tests
[INFO] [stdout] test src/lib.rs - ColouredStr::back_none (line 721) ... ok
[INFO] [stdout] test src/lib.rs - ColouredStr::back_blue (line 511) ... ok
[INFO] [stdout] test src/lib.rs - ColouredStr::back_black (line 481) ... ok
[INFO] [stdout] test src/lib.rs - ColouredStr (line 29) ... ok
[INFO] [stdout] test src/lib.rs - ColouredStr::back_cyan (line 571) ... ok
[INFO] [stdout] test src/lib.rs - ColouredStr::back_pink (line 676) ... ok
[INFO] [stdout] test src/lib.rs - ColouredStr::back_green (line 526) ... ok
[INFO] [stdout] test src/lib.rs - ColouredStr::back_light_yellow (line 646) ... ok
[INFO] [stdout] test src/lib.rs - ColouredStr::back_light_green (line 631) ... ok
[INFO] [stdout] test src/lib.rs - ColouredStr::back_gray (line 586) ... ok
[INFO] [stdout] test src/lib.rs - ColouredStr::back_light_cyan (line 691) ... ok
[INFO] [stdout] test src/lib.rs - ColouredStr::back_dark_gray (line 601) ... ok
[INFO] [stdout] test src/lib.rs - ColouredStr::back_light_blue (line 661) ... ok
[INFO] [stdout] test src/lib.rs - ColouredStr::back_magenta (line 556) ... ok
[INFO] [stdout] test src/lib.rs - ColouredStr (line 16) ... ok
[INFO] [stdout] test src/lib.rs - ColouredStr::back_light_red (line 616) ... ok
[INFO] [stdout] test src/lib.rs - ColouredStr::blink (line 439) ... ok
[INFO] [stdout] test src/lib.rs - ColouredStr::cyan (line 235) ... ok
[INFO] [stdout] test src/lib.rs - ColouredStr::bold (line 389) ... ok
[INFO] [stdout] test src/lib.rs - ColouredStr::back_white (line 706) ... ok
[INFO] [stdout] test src/lib.rs - ColouredStr::back_red (line 496) ... ok
[INFO] [stdout] test src/lib.rs - ColouredStr::dim (line 407) ... ok
[INFO] [stdout] test src/lib.rs - ColouredStr::back_yellow (line 541) ... ok
[INFO] [stdout] test src/lib.rs - ColouredStr::black (line 165) ... ok
[INFO] [stdout] test src/lib.rs - ColouredStr::gray (line 249) ... ok
[INFO] [stdout] test src/lib.rs - ColouredStr::green (line 193) ... ok
[INFO] [stdout] test src/lib.rs - ColouredStr::hidden (line 467) ... ok
[INFO] [stdout] test src/lib.rs - ColouredStr::blue (line 147) ... ok
[INFO] [stdout] test src/lib.rs - ColouredStr::dark_gray (line 263) ... ok
[INFO] [stdout] test src/lib.rs - ColouredStr::light_blue (line 319) ... ok
[INFO] [stdout] test src/lib.rs - ColouredStr::light_green (line 291) ... ok
[INFO] [stdout] test src/lib.rs - ColouredStr::light_yellow (line 305) ... ok
[INFO] [stdout] test src/lib.rs - ColouredStr::new (line 57) ... ok
[INFO] [stdout] test src/lib.rs - ColouredStr::pink (line 333) ... ok
[INFO] [stdout] test src/lib.rs - ColouredStr::none (line 375) ... ok
[INFO] [stdout] test src/lib.rs - ColouredStr::light_cyan (line 347) ... ok
[INFO] [stdout] test src/lib.rs - ColouredStr::light_red (line 277) ... ok
[INFO] [stdout] test src/lib.rs - ColouredStr::reset_all (line 736) ... ok
[INFO] [stdout] test src/lib.rs - ColouredStr::magenta (line 221) ... ok
[INFO] [stdout] test src/lib.rs - ColouredStr::red (line 179) ... ok
[INFO] [stdout] test src/lib.rs - ColouredStr::reset_hidden (line 831) ... ok
[INFO] [stdout] test src/lib.rs - ColouredStr::reset_dim (line 767) ... ok
[INFO] [stdout] test src/lib.rs - ColouredStr::reset_blink (line 799) ... ok
[INFO] [stdout] test src/lib.rs - ColouredStr::reset_reverse (line 815) ... ok
[INFO] [stdout] test src/lib.rs - ColouredStr::reset_bold (line 751) ... ok
[INFO] [stdout] test src/lib.rs - ColouredStr::yellow (line 207) ... ok
[INFO] [stdout] test src/lib.rs - ColouredStr::underline (line 421) ... ok
[INFO] [stdout] test src/lib.rs - ColouredStr::reverse (line 453) ... ok
[INFO] [stdout] test src/lib.rs - ColouredStr::reset_underline (line 783) ... ok
[INFO] [stdout] test src/lib.rs - ColouredStr::white (line 361) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 50 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b62de3842a9cf1305cd7a84eaecf03e3d12005c72c28d30126d2f6c494969a5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b62de3842a9cf1305cd7a84eaecf03e3d12005c72c28d30126d2f6c494969a5a", kill_on_drop: false }`
[INFO] [stdout] b62de3842a9cf1305cd7a84eaecf03e3d12005c72c28d30126d2f6c494969a5a