[INFO] cloning repository https://github.com/johnhurt/fibonacci-lol
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/johnhurt/fibonacci-lol" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnhurt%2Ffibonacci-lol", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnhurt%2Ffibonacci-lol'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fbdd71b70db29359ecb94a22444458c5dbd01903
[INFO] checking johnhurt/fibonacci-lol against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnhurt%2Ffibonacci-lol" "/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/johnhurt/fibonacci-lol on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/johnhurt/fibonacci-lol
[INFO] finished tweaking git repo https://github.com/johnhurt/fibonacci-lol
[INFO] tweaked toml for git repo https://github.com/johnhurt/fibonacci-lol written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/johnhurt/fibonacci-lol already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "fetch" "--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" "+50e1dc1536264ab71c0850f346b12309477f29f7" "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] 059747449e265e9c0ab41f617a699dda5a9934da62d5bf7fffa75abe1a0f8d9a
[INFO] running `Command { std: "docker" "start" "-a" "059747449e265e9c0ab41f617a699dda5a9934da62d5bf7fffa75abe1a0f8d9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "059747449e265e9c0ab41f617a699dda5a9934da62d5bf7fffa75abe1a0f8d9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "059747449e265e9c0ab41f617a699dda5a9934da62d5bf7fffa75abe1a0f8d9a", kill_on_drop: false }`
[INFO] [stdout] 059747449e265e9c0ab41f617a699dda5a9934da62d5bf7fffa75abe1a0f8d9a
[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" "+50e1dc1536264ab71c0850f346b12309477f29f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 393577de7a50690c5aeca4eb864013c6a9a1ddea9f53158f34f4c73da275543f
[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" "393577de7a50690c5aeca4eb864013c6a9a1ddea9f53158f34f4c73da275543f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]    Compiling tokio v1.2.0
[INFO] [stderr]     Checking rust-fib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.83s
[INFO] running `Command { std: "docker" "inspect" "393577de7a50690c5aeca4eb864013c6a9a1ddea9f53158f34f4c73da275543f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "393577de7a50690c5aeca4eb864013c6a9a1ddea9f53158f34f4c73da275543f", kill_on_drop: false }`
[INFO] [stdout] 393577de7a50690c5aeca4eb864013c6a9a1ddea9f53158f34f4c73da275543f