[INFO] cloning repository https://github.com/adrylain/montyhallrust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/adrylain/montyhallrust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadrylain%2Fmontyhallrust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadrylain%2Fmontyhallrust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 36087f482f3d55bce81c2f7c124444ff335b286b
[INFO] checking adrylain/montyhallrust against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadrylain%2Fmontyhallrust" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/adrylain/montyhallrust on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/adrylain/montyhallrust
[INFO] finished tweaking git repo https://github.com/adrylain/montyhallrust
[INFO] tweaked toml for git repo https://github.com/adrylain/montyhallrust written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/adrylain/montyhallrust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a010346082c31a6e0bb2c9a906f9fcae5f3d8aa7eb0a6c1d3208df858cf99ed
[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" "5a010346082c31a6e0bb2c9a906f9fcae5f3d8aa7eb0a6c1d3208df858cf99ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a010346082c31a6e0bb2c9a906f9fcae5f3d8aa7eb0a6c1d3208df858cf99ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a010346082c31a6e0bb2c9a906f9fcae5f3d8aa7eb0a6c1d3208df858cf99ed", kill_on_drop: false }`
[INFO] [stdout] 5a010346082c31a6e0bb2c9a906f9fcae5f3d8aa7eb0a6c1d3208df858cf99ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0099c058ccba8c7fec83ec7da6eb1b2f0d7cdb6f6d81623b2bf842bcd02b27ef
[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" "0099c058ccba8c7fec83ec7da6eb1b2f0d7cdb6f6d81623b2bf842bcd02b27ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking getrandom v0.1.15
[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]     Checking montyhall v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.86s
[INFO] running `Command { std: "docker" "inspect" "0099c058ccba8c7fec83ec7da6eb1b2f0d7cdb6f6d81623b2bf842bcd02b27ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0099c058ccba8c7fec83ec7da6eb1b2f0d7cdb6f6d81623b2bf842bcd02b27ef", kill_on_drop: false }`
[INFO] [stdout] 0099c058ccba8c7fec83ec7da6eb1b2f0d7cdb6f6d81623b2bf842bcd02b27ef