[INFO] cloning repository https://github.com/egasimus/metamixer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/egasimus/metamixer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fegasimus%2Fmetamixer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fegasimus%2Fmetamixer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 62456871bbe6f972cc734fa4f22edba8151aafa9
[INFO] checking egasimus/metamixer against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fegasimus%2Fmetamixer" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/egasimus/metamixer on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/egasimus/metamixer
[INFO] finished tweaking git repo https://github.com/egasimus/metamixer
[INFO] tweaked toml for git repo https://github.com/egasimus/metamixer written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/egasimus/metamixer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", 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] 981282dc30f0ea1b9c7da4ecc487ab7ca60da98ecf7d8ca8711623143f95aee7
[INFO] running `Command { std: "docker" "start" "-a" "981282dc30f0ea1b9c7da4ecc487ab7ca60da98ecf7d8ca8711623143f95aee7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "981282dc30f0ea1b9c7da4ecc487ab7ca60da98ecf7d8ca8711623143f95aee7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "981282dc30f0ea1b9c7da4ecc487ab7ca60da98ecf7d8ca8711623143f95aee7", kill_on_drop: false }`
[INFO] [stdout] 981282dc30f0ea1b9c7da4ecc487ab7ca60da98ecf7d8ca8711623143f95aee7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--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] ebc2b07f861229f59d9e694cce4e781c45fd9471d290d6b4f147b38832ba90fb
[INFO] running `Command { std: "docker" "start" "-a" "ebc2b07f861229f59d9e694cce4e781c45fd9471d290d6b4f147b38832ba90fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.69
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.69
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.69
[INFO] [stderr]     Checking wasm-bindgen v0.2.69
[INFO] [stderr]     Checking js-sys v0.3.46
[INFO] [stderr]     Checking web-sys v0.3.46
[INFO] [stderr]     Checking canvas v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.98s
[INFO] running `Command { std: "docker" "inspect" "ebc2b07f861229f59d9e694cce4e781c45fd9471d290d6b4f147b38832ba90fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebc2b07f861229f59d9e694cce4e781c45fd9471d290d6b4f147b38832ba90fb", kill_on_drop: false }`
[INFO] [stdout] ebc2b07f861229f59d9e694cce4e781c45fd9471d290d6b4f147b38832ba90fb