[INFO] cloning repository https://github.com/fr1550n/r_lifetimes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fr1550n/r_lifetimes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffr1550n%2Fr_lifetimes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffr1550n%2Fr_lifetimes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3023471e121cce0373c75bdce6a6b01b82138198
[INFO] testing fr1550n/r_lifetimes against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffr1550n%2Fr_lifetimes" "/workspace/builds/worker-118/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-118/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fr1550n/r_lifetimes on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fr1550n/r_lifetimes
[INFO] finished tweaking git repo https://github.com/fr1550n/r_lifetimes
[INFO] tweaked toml for git repo https://github.com/fr1550n/r_lifetimes written to /workspace/builds/worker-118/source/Cargo.toml
[INFO] crate git repo https://github.com/fr1550n/r_lifetimes already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cbce19bfe4dc98dc3d5dc24bbf3d6953474d4064f66a1c37d47b4d6b4adcb836
[INFO] running `Command { std: "docker" "start" "-a" "cbce19bfe4dc98dc3d5dc24bbf3d6953474d4064f66a1c37d47b4d6b4adcb836", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbce19bfe4dc98dc3d5dc24bbf3d6953474d4064f66a1c37d47b4d6b4adcb836", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbce19bfe4dc98dc3d5dc24bbf3d6953474d4064f66a1c37d47b4d6b4adcb836", kill_on_drop: false }`
[INFO] [stdout] cbce19bfe4dc98dc3d5dc24bbf3d6953474d4064f66a1c37d47b4d6b4adcb836
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 947bf37d48003263d628e3d5619c745f7c06f120806ac8df1554ea0df111fb76
[INFO] running `Command { std: "docker" "start" "-a" "947bf37d48003263d628e3d5619c745f7c06f120806ac8df1554ea0df111fb76", kill_on_drop: false }`
[INFO] [stderr]    Compiling r_lifetimes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `y`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     y: &'b i32
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "947bf37d48003263d628e3d5619c745f7c06f120806ac8df1554ea0df111fb76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "947bf37d48003263d628e3d5619c745f7c06f120806ac8df1554ea0df111fb76", kill_on_drop: false }`
[INFO] [stdout] 947bf37d48003263d628e3d5619c745f7c06f120806ac8df1554ea0df111fb76