[INFO] cloning repository https://github.com/ryankooy/a_little_Rusty
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ryankooy/a_little_Rusty" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryankooy%2Fa_little_Rusty", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryankooy%2Fa_little_Rusty'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4cf0207e08b5d65beae740f478a2765a66cb5526
[INFO] checking ryankooy/a_little_Rusty against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryankooy%2Fa_little_Rusty" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ryankooy/a_little_Rusty 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/ryankooy/a_little_Rusty
[INFO] finished tweaking git repo https://github.com/ryankooy/a_little_Rusty
[INFO] tweaked toml for git repo https://github.com/ryankooy/a_little_Rusty written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/ryankooy/a_little_Rusty 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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 658bf4c93f3a19289147f0951fecd4a5ec2534cb7be2165fc5d470251dab9126
[INFO] running `Command { std: "docker" "start" "-a" "658bf4c93f3a19289147f0951fecd4a5ec2534cb7be2165fc5d470251dab9126", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "658bf4c93f3a19289147f0951fecd4a5ec2534cb7be2165fc5d470251dab9126", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "658bf4c93f3a19289147f0951fecd4a5ec2534cb7be2165fc5d470251dab9126", kill_on_drop: false }`
[INFO] [stdout] 658bf4c93f3a19289147f0951fecd4a5ec2534cb7be2165fc5d470251dab9126
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 5bf142ed311a53a99de70261ca01546b0a6c2b869ed9db7cd62d2ad70e414c6f
[INFO] running `Command { std: "docker" "start" "-a" "5bf142ed311a53a99de70261ca01546b0a6c2b869ed9db7cd62d2ad70e414c6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking futures v0.1.30
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking fs v0.0.5
[INFO] [stderr]     Checking new_init v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.74s
[INFO] running `Command { std: "docker" "inspect" "5bf142ed311a53a99de70261ca01546b0a6c2b869ed9db7cd62d2ad70e414c6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bf142ed311a53a99de70261ca01546b0a6c2b869ed9db7cd62d2ad70e414c6f", kill_on_drop: false }`
[INFO] [stdout] 5bf142ed311a53a99de70261ca01546b0a6c2b869ed9db7cd62d2ad70e414c6f