[INFO] cloning repository https://github.com/sytzez/compost
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sytzez/compost" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsytzez%2Fcompost", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsytzez%2Fcompost'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 780824f7fecc455f0881d64ffa72a9660be0e6c1
[INFO] checking sytzez/compost against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsytzez%2Fcompost" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sytzez/compost on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sytzez/compost
[INFO] finished tweaking git repo https://github.com/sytzez/compost
[INFO] tweaked toml for git repo https://github.com/sytzez/compost written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sytzez/compost already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ae5881b2e0adc26a2b520b8b0cc16aab5fc1ebef168aea4dcbd436fa36e0547
[INFO] running `Command { std: "docker" "start" "-a" "1ae5881b2e0adc26a2b520b8b0cc16aab5fc1ebef168aea4dcbd436fa36e0547", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ae5881b2e0adc26a2b520b8b0cc16aab5fc1ebef168aea4dcbd436fa36e0547", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ae5881b2e0adc26a2b520b8b0cc16aab5fc1ebef168aea4dcbd436fa36e0547", kill_on_drop: false }`
[INFO] [stdout] 1ae5881b2e0adc26a2b520b8b0cc16aab5fc1ebef168aea4dcbd436fa36e0547
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6deaa3c6925e87811f5df64472a9ec899cef0e3b352adb4064e2a5b19553c3a
[INFO] running `Command { std: "docker" "start" "-a" "c6deaa3c6925e87811f5df64472a9ec899cef0e3b352adb4064e2a5b19553c3a", kill_on_drop: false }`
[INFO] [stderr]     Checking compost v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `remaining` is never used
[INFO] [stdout]   --> src/lex/tokens.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Tokens {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn remaining(&self) -> &[LeveledToken] {
[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` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "c6deaa3c6925e87811f5df64472a9ec899cef0e3b352adb4064e2a5b19553c3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6deaa3c6925e87811f5df64472a9ec899cef0e3b352adb4064e2a5b19553c3a", kill_on_drop: false }`
[INFO] [stdout] c6deaa3c6925e87811f5df64472a9ec899cef0e3b352adb4064e2a5b19553c3a