[INFO] cloning repository https://github.com/kharioki/intro-to-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kharioki/intro-to-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkharioki%2Fintro-to-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkharioki%2Fintro-to-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bcb543f8ac99c8584aa17070e6755fd01ccadbed
[INFO] checking kharioki/intro-to-rust against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkharioki%2Fintro-to-rust" "/workspace/builds/worker-80/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-80/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kharioki/intro-to-rust on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kharioki/intro-to-rust
[INFO] finished tweaking git repo https://github.com/kharioki/intro-to-rust
[INFO] tweaked toml for git repo https://github.com/kharioki/intro-to-rust written to /workspace/builds/worker-80/source/Cargo.toml
[INFO] crate git repo https://github.com/kharioki/intro-to-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7120b78340480f059814c38505379425f4715ca8e8ec995a7111c1baac2ed96
[INFO] running `Command { std: "docker" "start" "-a" "a7120b78340480f059814c38505379425f4715ca8e8ec995a7111c1baac2ed96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7120b78340480f059814c38505379425f4715ca8e8ec995a7111c1baac2ed96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7120b78340480f059814c38505379425f4715ca8e8ec995a7111c1baac2ed96", kill_on_drop: false }`
[INFO] [stdout] a7120b78340480f059814c38505379425f4715ca8e8ec995a7111c1baac2ed96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9bb387c4e4faf0a75bb135068731d0beb626ae7a60dd294f6c6e1c9d7853bf30
[INFO] running `Command { std: "docker" "start" "-a" "9bb387c4e4faf0a75bb135068731d0beb626ae7a60dd294f6c6e1c9d7853bf30", kill_on_drop: false }`
[INFO] [stderr]     Checking rust_sandbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "9bb387c4e4faf0a75bb135068731d0beb626ae7a60dd294f6c6e1c9d7853bf30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bb387c4e4faf0a75bb135068731d0beb626ae7a60dd294f6c6e1c9d7853bf30", kill_on_drop: false }`
[INFO] [stdout] 9bb387c4e4faf0a75bb135068731d0beb626ae7a60dd294f6c6e1c9d7853bf30