[INFO] cloning repository https://github.com/R4chel/art
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/R4chel/art" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FR4chel%2Fart", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FR4chel%2Fart'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9afcd6660e4f76df8f2df2000c46aa1240cbe1ea
[INFO] checking R4chel/art against try#b0d0ea232bdae12fa8da8491a91ae1db029990ef for pr-84037
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FR4chel%2Fart" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/R4chel/art on toolchain b0d0ea232bdae12fa8da8491a91ae1db029990ef
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/R4chel/art
[INFO] finished tweaking git repo https://github.com/R4chel/art
[INFO] tweaked toml for git repo https://github.com/R4chel/art written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/R4chel/art already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hsl v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6a1a570d98ebc3805ec025886e944adbd3f8275a4b2c66e6e718cbe9d590396
[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" "f6a1a570d98ebc3805ec025886e944adbd3f8275a4b2c66e6e718cbe9d590396", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6a1a570d98ebc3805ec025886e944adbd3f8275a4b2c66e6e718cbe9d590396", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6a1a570d98ebc3805ec025886e944adbd3f8275a4b2c66e6e718cbe9d590396", kill_on_drop: false }`
[INFO] [stdout] f6a1a570d98ebc3805ec025886e944adbd3f8275a4b2c66e6e718cbe9d590396
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3cbd08412dd8c72a0d1365369295f4e341c7269af642e13e05fee09b752f38c
[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" "d3cbd08412dd8c72a0d1365369295f4e341c7269af642e13e05fee09b752f38c", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.71
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling bumpalo v3.6.1
[INFO] [stderr]    Compiling libc v0.2.87
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling wasm-bindgen v0.2.71
[INFO] [stderr]     Checking hsl v0.1.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.71
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.71
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.71
[INFO] [stderr]     Checking js-sys v0.3.48
[INFO] [stderr]     Checking web-sys v0.3.48
[INFO] [stderr]     Checking art v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `size_mode_button`
[INFO] [stdout]    --> src/lib.rs:489:9
[INFO] [stdout]     |
[INFO] [stdout] 489 |     let size_mode_button = ButtonConfig::new_button(size_mode_button_config, &universe);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_size_mode_button`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size_mode_button`
[INFO] [stdout]    --> src/lib.rs:489:9
[INFO] [stdout]     |
[INFO] [stdout] 489 |     let size_mode_button = ButtonConfig::new_button(size_mode_button_config, &universe);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_size_mode_button`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.81s
[INFO] running `Command { std: "docker" "inspect" "d3cbd08412dd8c72a0d1365369295f4e341c7269af642e13e05fee09b752f38c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3cbd08412dd8c72a0d1365369295f4e341c7269af642e13e05fee09b752f38c", kill_on_drop: false }`
[INFO] [stdout] d3cbd08412dd8c72a0d1365369295f4e341c7269af642e13e05fee09b752f38c