[INFO] cloning repository https://github.com/cronokirby/poline
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cronokirby/poline" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcronokirby%2Fpoline", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcronokirby%2Fpoline'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 36c725fe4203343403f0dc1463fce0f76b29147e
[INFO] checking cronokirby/poline against try#5fdfba63a96c5e8ae0ebf6b8b66853110277087d for pr-73166
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcronokirby%2Fpoline" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cronokirby/poline on toolchain 5fdfba63a96c5e8ae0ebf6b8b66853110277087d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cronokirby/poline
[INFO] finished tweaking git repo https://github.com/cronokirby/poline
[INFO] tweaked toml for git repo https://github.com/cronokirby/poline written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/cronokirby/poline already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 726be4b12810bc14d9670f4f780f456cb3e450eab5ccecd71f0fc90efb2809a8
[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" "726be4b12810bc14d9670f4f780f456cb3e450eab5ccecd71f0fc90efb2809a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "726be4b12810bc14d9670f4f780f456cb3e450eab5ccecd71f0fc90efb2809a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "726be4b12810bc14d9670f4f780f456cb3e450eab5ccecd71f0fc90efb2809a8", kill_on_drop: false }`
[INFO] [stdout] 726be4b12810bc14d9670f4f780f456cb3e450eab5ccecd71f0fc90efb2809a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 535ad3c4fdb90f566ac68203dd35de5c1971dbfd66bd901fbb4a2a9e4ca337f6
[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" "535ad3c4fdb90f566ac68203dd35de5c1971dbfd66bd901fbb4a2a9e4ca337f6", kill_on_drop: false }`
[INFO] [stderr]     Checking poline v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `running`
[INFO] [stdout]    --> src/interpreter.rs:226:8
[INFO] [stdout]     |
[INFO] [stdout] 226 |     fn running(frames: Frames) -> Self {
[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] [stdout] warning: associated function is never used: `running`
[INFO] [stdout]    --> src/interpreter.rs:226:8
[INFO] [stdout]     |
[INFO] [stdout] 226 |     fn running(frames: Frames) -> Self {
[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 0.82s
[INFO] running `Command { std: "docker" "inspect" "535ad3c4fdb90f566ac68203dd35de5c1971dbfd66bd901fbb4a2a9e4ca337f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "535ad3c4fdb90f566ac68203dd35de5c1971dbfd66bd901fbb4a2a9e4ca337f6", kill_on_drop: false }`
[INFO] [stdout] 535ad3c4fdb90f566ac68203dd35de5c1971dbfd66bd901fbb4a2a9e4ca337f6