[INFO] cloning repository https://github.com/CyberWalrus/css-class-hunter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CyberWalrus/css-class-hunter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCyberWalrus%2Fcss-class-hunter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCyberWalrus%2Fcss-class-hunter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1ff809fcf220b6928f435519054c589e33cecea1
[INFO] checking CyberWalrus/css-class-hunter/1ff809fcf220b6928f435519054c589e33cecea1 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCyberWalrus%2Fcss-class-hunter" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CyberWalrus/css-class-hunter on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/CyberWalrus/css-class-hunter
[INFO] finished tweaking git repo https://github.com/CyberWalrus/css-class-hunter
[INFO] tweaked toml for git repo https://github.com/CyberWalrus/css-class-hunter written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/CyberWalrus/css-class-hunter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7899ee0925fd329e5d5f2576f331fb95d9f40f96d0f0f46457dd6d45b9f25195
[INFO] running `Command { std: "docker" "start" "-a" "7899ee0925fd329e5d5f2576f331fb95d9f40f96d0f0f46457dd6d45b9f25195", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7899ee0925fd329e5d5f2576f331fb95d9f40f96d0f0f46457dd6d45b9f25195", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7899ee0925fd329e5d5f2576f331fb95d9f40f96d0f0f46457dd6d45b9f25195", kill_on_drop: false }`
[INFO] [stdout] 7899ee0925fd329e5d5f2576f331fb95d9f40f96d0f0f46457dd6d45b9f25195
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ed3bd50c96dc4cb87114aeb98f50cce88a1e7aa7f4ae5128cf1524fe6dd9831
[INFO] running `Command { std: "docker" "start" "-a" "4ed3bd50c96dc4cb87114aeb98f50cce88a1e7aa7f4ae5128cf1524fe6dd9831", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.83
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling serde v1.0.202
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling serde_json v1.0.117
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking either v1.12.0
[INFO] [stderr]     Checking pathdiff v0.2.1
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking rayon-core v1.12.1
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]    Compiling serde_derive v1.0.202
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking env_logger v0.9.3
[INFO] [stderr]     Checking css-class-hunter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.31s
[INFO] running `Command { std: "docker" "inspect" "4ed3bd50c96dc4cb87114aeb98f50cce88a1e7aa7f4ae5128cf1524fe6dd9831", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ed3bd50c96dc4cb87114aeb98f50cce88a1e7aa7f4ae5128cf1524fe6dd9831", kill_on_drop: false }`
[INFO] [stdout] 4ed3bd50c96dc4cb87114aeb98f50cce88a1e7aa7f4ae5128cf1524fe6dd9831