[INFO] cloning repository https://github.com/yup-its-rowan/rustPiano
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yup-its-rowan/rustPiano" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyup-its-rowan%2FrustPiano", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyup-its-rowan%2FrustPiano'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 13bfff61b1454f61d86716edd30a6c5f482dbdd3
[INFO] checking yup-its-rowan/rustPiano against master#f8f6997469237299c1d60814c7b9828602a1f8e4 for pr-143808
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyup-its-rowan%2FrustPiano" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/yup-its-rowan/rustPiano
[INFO] finished tweaking git repo https://github.com/yup-its-rowan/rustPiano
[INFO] tweaked toml for git repo https://github.com/yup-its-rowan/rustPiano written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/yup-its-rowan/rustPiano on toolchain f8f6997469237299c1d60814c7b9828602a1f8e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/yup-its-rowan/rustPiano 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" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd19451c3222cc4565089cbe47b27d5954e40422ed49442cafb73a0ff0bf1b5c
[INFO] running `Command { std: "docker" "start" "-a" "cd19451c3222cc4565089cbe47b27d5954e40422ed49442cafb73a0ff0bf1b5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd19451c3222cc4565089cbe47b27d5954e40422ed49442cafb73a0ff0bf1b5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd19451c3222cc4565089cbe47b27d5954e40422ed49442cafb73a0ff0bf1b5c", kill_on_drop: false }`
[INFO] [stdout] cd19451c3222cc4565089cbe47b27d5954e40422ed49442cafb73a0ff0bf1b5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d686c47d9d3d4e0cae4a3dcb99e9cb0a49273a8802b8b745558f0859ac8d8d86
[INFO] running `Command { std: "docker" "start" "-a" "d686c47d9d3d4e0cae4a3dcb99e9cb0a49273a8802b8b745558f0859ac8d8d86", kill_on_drop: false }`
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[INFO] [stderr]     Checking rustPiano v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `shutdown` is never used
[INFO] [stdout]   --> src/main.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl SynthState {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] 15 |     fn shutdown(&self) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `empty_rulemap` is never used
[INFO] [stdout]   --> src/main.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl Node {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 45 |     fn empty_rulemap(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `shutdown` is never used
[INFO] [stdout]   --> src/main.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl SynthState {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] 15 |     fn shutdown(&self) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `empty_rulemap` is never used
[INFO] [stdout]   --> src/main.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl Node {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 45 |     fn empty_rulemap(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 17s
[INFO] running `Command { std: "docker" "inspect" "d686c47d9d3d4e0cae4a3dcb99e9cb0a49273a8802b8b745558f0859ac8d8d86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d686c47d9d3d4e0cae4a3dcb99e9cb0a49273a8802b8b745558f0859ac8d8d86", kill_on_drop: false }`
[INFO] [stdout] d686c47d9d3d4e0cae4a3dcb99e9cb0a49273a8802b8b745558f0859ac8d8d86