[INFO] cloning repository https://github.com/thanatos/open-in-firefox-container
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thanatos/open-in-firefox-container" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthanatos%2Fopen-in-firefox-container", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthanatos%2Fopen-in-firefox-container'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b8267a54e56a8427c8dcb5847c07a1f5dc4dd8ae
[INFO] checking thanatos/open-in-firefox-container against try#e0f03aec47b100bc29555561bd62a99d1bc6aca5 for pr-86231
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthanatos%2Fopen-in-firefox-container" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thanatos/open-in-firefox-container on toolchain e0f03aec47b100bc29555561bd62a99d1bc6aca5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/thanatos/open-in-firefox-container
[INFO] finished tweaking git repo https://github.com/thanatos/open-in-firefox-container
[INFO] tweaked toml for git repo https://github.com/thanatos/open-in-firefox-container written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/thanatos/open-in-firefox-container already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c500ffa28c79c0961af0a61425f6478fb8bd6ea00d26478f296049d37ff73400
[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" "c500ffa28c79c0961af0a61425f6478fb8bd6ea00d26478f296049d37ff73400", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c500ffa28c79c0961af0a61425f6478fb8bd6ea00d26478f296049d37ff73400", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c500ffa28c79c0961af0a61425f6478fb8bd6ea00d26478f296049d37ff73400", kill_on_drop: false }`
[INFO] [stdout] c500ffa28c79c0961af0a61425f6478fb8bd6ea00d26478f296049d37ff73400
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "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] d786293630e7c2aef2e972ed9b9db8e530c2b7587adda6888d3f4fba5ea55dc3
[INFO] running `Command { std: "docker" "start" "-a" "d786293630e7c2aef2e972ed9b9db8e530c2b7587adda6888d3f4fba5ea55dc3", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]     Checking smallvec v1.0.0
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]    Compiling open-in-firefox-container v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking dtoa v0.4.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking unicode-normalization v0.1.11
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]    Compiling structopt-derive v0.3.5
[INFO] [stderr]     Checking structopt v0.3.5
[INFO] [stderr]     Checking toml v0.5.5
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.58s
[INFO] running `Command { std: "docker" "inspect" "d786293630e7c2aef2e972ed9b9db8e530c2b7587adda6888d3f4fba5ea55dc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d786293630e7c2aef2e972ed9b9db8e530c2b7587adda6888d3f4fba5ea55dc3", kill_on_drop: false }`
[INFO] [stdout] d786293630e7c2aef2e972ed9b9db8e530c2b7587adda6888d3f4fba5ea55dc3