[INFO] cloning repository https://github.com/rookie1024/Alas
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rookie1024/Alas" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frookie1024%2FAlas", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frookie1024%2FAlas'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 60bfe1d0d21461f8180c8a43b8fcfb6cd3e056db
[INFO] checking rookie1024/Alas against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frookie1024%2FAlas" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rookie1024/Alas 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/rookie1024/Alas
[INFO] finished tweaking git repo https://github.com/rookie1024/Alas
[INFO] tweaked toml for git repo https://github.com/rookie1024/Alas written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/rookie1024/Alas 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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] f67bf1480b3f708e5caf0a2f32bf3600d04f58a39164fdae497400f797c3fb3b
[INFO] running `Command { std: "docker" "start" "-a" "f67bf1480b3f708e5caf0a2f32bf3600d04f58a39164fdae497400f797c3fb3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f67bf1480b3f708e5caf0a2f32bf3600d04f58a39164fdae497400f797c3fb3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f67bf1480b3f708e5caf0a2f32bf3600d04f58a39164fdae497400f797c3fb3b", kill_on_drop: false }`
[INFO] [stdout] f67bf1480b3f708e5caf0a2f32bf3600d04f58a39164fdae497400f797c3fb3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c47a9042600e36db225636c6dd9ae125f384533bf07c93a6edab8953ee7e7d98
[INFO] running `Command { std: "docker" "start" "-a" "c47a9042600e36db225636c6dd9ae125f384533bf07c93a6edab8953ee7e7d98", kill_on_drop: false }`
[INFO] [stderr]     Checking alas v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `start` is never read
[INFO] [stdout]   --> src/reg/dfa.rs:14:3
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Dfa<T, S> {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] 13 |   states: DfaTable<T, S>,
[INFO] [stdout] 14 |   start: S,
[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: field `start` is never read
[INFO] [stdout]   --> src/reg/dfa.rs:14:3
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Dfa<T, S> {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] 13 |   states: DfaTable<T, S>,
[INFO] [stdout] 14 |   start: S,
[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 0.15s
[INFO] running `Command { std: "docker" "inspect" "c47a9042600e36db225636c6dd9ae125f384533bf07c93a6edab8953ee7e7d98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c47a9042600e36db225636c6dd9ae125f384533bf07c93a6edab8953ee7e7d98", kill_on_drop: false }`
[INFO] [stdout] c47a9042600e36db225636c6dd9ae125f384533bf07c93a6edab8953ee7e7d98