[INFO] cloning repository https://github.com/arzg/gamut
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arzg/gamut" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farzg%2Fgamut", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farzg%2Fgamut'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9d5a3490340a5d3dc9f86cba620651d41296b3b0
[INFO] checking arzg/gamut against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farzg%2Fgamut" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/arzg/gamut on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/arzg/gamut
[INFO] finished tweaking git repo https://github.com/arzg/gamut
[INFO] tweaked toml for git repo https://github.com/arzg/gamut written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/arzg/gamut already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tincture v0.5.0
[INFO] [stderr]   Downloaded mottle v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2db26d0ee707bd3177c14fd43954da207daebed22108b57df2d3cdd21e0ee63c
[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" "2db26d0ee707bd3177c14fd43954da207daebed22108b57df2d3cdd21e0ee63c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2db26d0ee707bd3177c14fd43954da207daebed22108b57df2d3cdd21e0ee63c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2db26d0ee707bd3177c14fd43954da207daebed22108b57df2d3cdd21e0ee63c", kill_on_drop: false }`
[INFO] [stdout] 2db26d0ee707bd3177c14fd43954da207daebed22108b57df2d3cdd21e0ee63c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c4eae863933b3bfa7fb06a0f3fd0e68fc770deee00917685a92bb951e3ac3632
[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" "c4eae863933b3bfa7fb06a0f3fd0e68fc770deee00917685a92bb951e3ac3632", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking tincture v0.5.0
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]     Checking mottle v0.1.2
[INFO] [stderr]     Checking gamut v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `mottle::theme::Scope::*`
[INFO] [stdout]  --> src/imp.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use mottle::theme::Scope::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mottle::theme::Scope::*`
[INFO] [stdout]  --> src/imp.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use mottle::theme::Scope::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `builder`
[INFO] [stdout]  --> src/imp.rs:9:21
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn workspace_colors(builder: &mut ThemeBuilder) {}
[INFO] [stdout]   |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_builder`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `builder`
[INFO] [stdout]   --> src/imp.rs:11:24
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn syntax_highlighting(builder: &mut ThemeBuilder) {}
[INFO] [stdout]    |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_builder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `builder`
[INFO] [stdout]  --> src/imp.rs:9:21
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn workspace_colors(builder: &mut ThemeBuilder) {}
[INFO] [stdout]   |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_builder`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `builder`
[INFO] [stdout]   --> src/imp.rs:11:24
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn syntax_highlighting(builder: &mut ThemeBuilder) {}
[INFO] [stdout]    |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_builder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.79s
[INFO] running `Command { std: "docker" "inspect" "c4eae863933b3bfa7fb06a0f3fd0e68fc770deee00917685a92bb951e3ac3632", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4eae863933b3bfa7fb06a0f3fd0e68fc770deee00917685a92bb951e3ac3632", kill_on_drop: false }`
[INFO] [stdout] c4eae863933b3bfa7fb06a0f3fd0e68fc770deee00917685a92bb951e3ac3632