[INFO] cloning repository https://github.com/nyghtly-derek/nth-fib
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nyghtly-derek/nth-fib" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnyghtly-derek%2Fnth-fib", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnyghtly-derek%2Fnth-fib'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6c16ca10aad859b01bb2f394b202a0440297a4c2
[INFO] checking nyghtly-derek/nth-fib against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnyghtly-derek%2Fnth-fib" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nyghtly-derek/nth-fib on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nyghtly-derek/nth-fib
[INFO] finished tweaking git repo https://github.com/nyghtly-derek/nth-fib
[INFO] tweaked toml for git repo https://github.com/nyghtly-derek/nth-fib written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/nyghtly-derek/nth-fib already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "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] b3d621165271a597ce69ed84965888979ba6e4382747f843fe7f7dc9a9ebf628
[INFO] running `Command { std: "docker" "start" "-a" "b3d621165271a597ce69ed84965888979ba6e4382747f843fe7f7dc9a9ebf628", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3d621165271a597ce69ed84965888979ba6e4382747f843fe7f7dc9a9ebf628", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3d621165271a597ce69ed84965888979ba6e4382747f843fe7f7dc9a9ebf628", kill_on_drop: false }`
[INFO] [stdout] b3d621165271a597ce69ed84965888979ba6e4382747f843fe7f7dc9a9ebf628
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "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] 6e85fb922bed64dfdd14bb244a0097e0329c91301f4f2a9e2f0bdf454fd59baa
[INFO] running `Command { std: "docker" "start" "-a" "6e85fb922bed64dfdd14bb244a0097e0329c91301f4f2a9e2f0bdf454fd59baa", kill_on_drop: false }`
[INFO] [stderr]     Checking nth_fib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "6e85fb922bed64dfdd14bb244a0097e0329c91301f4f2a9e2f0bdf454fd59baa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e85fb922bed64dfdd14bb244a0097e0329c91301f4f2a9e2f0bdf454fd59baa", kill_on_drop: false }`
[INFO] [stdout] 6e85fb922bed64dfdd14bb244a0097e0329c91301f4f2a9e2f0bdf454fd59baa