[INFO] cloning repository https://github.com/Rafaelmdcarneiro/piano-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Rafaelmdcarneiro/piano-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRafaelmdcarneiro%2Fpiano-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRafaelmdcarneiro%2Fpiano-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 73d536cb96ac381588b7b15f46b3d4fcca6ebd5e
[INFO] checking Rafaelmdcarneiro/piano-rs against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRafaelmdcarneiro%2Fpiano-rs" "/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/Rafaelmdcarneiro/piano-rs 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/Rafaelmdcarneiro/piano-rs
[INFO] finished tweaking git repo https://github.com/Rafaelmdcarneiro/piano-rs
[INFO] tweaked toml for git repo https://github.com/Rafaelmdcarneiro/piano-rs written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Rafaelmdcarneiro/piano-rs 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 }`
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[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] 8e9fa98339556fd90f33bf6db01c78290c65d36523937afb697d7bd8bab21366
[INFO] running `Command { std: "docker" "start" "-a" "8e9fa98339556fd90f33bf6db01c78290c65d36523937afb697d7bd8bab21366", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e9fa98339556fd90f33bf6db01c78290c65d36523937afb697d7bd8bab21366", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e9fa98339556fd90f33bf6db01c78290c65d36523937afb697d7bd8bab21366", kill_on_drop: false }`
[INFO] [stdout] 8e9fa98339556fd90f33bf6db01c78290c65d36523937afb697d7bd8bab21366
[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] ec7c776657ac2ac284a692ddbe27fa0d79a676d810134b234c43f35c5b20a2e7
[INFO] running `Command { std: "docker" "start" "-a" "ec7c776657ac2ac284a692ddbe27fa0d79a676d810134b234c43f35c5b20a2e7", kill_on_drop: false }`
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[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]     Checking rand_core v0.4.2
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[INFO] [stderr]     Checking piano-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `play_file` is never read
[INFO] [stdout]   --> src/game/notes_file.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct NoteReader {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 18 |     play_file: File,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NoteReader` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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 `play_file` is never read
[INFO] [stdout]   --> src/game/notes_file.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct NoteReader {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 18 |     play_file: File,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NoteReader` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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 7.38s
[INFO] running `Command { std: "docker" "inspect" "ec7c776657ac2ac284a692ddbe27fa0d79a676d810134b234c43f35c5b20a2e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec7c776657ac2ac284a692ddbe27fa0d79a676d810134b234c43f35c5b20a2e7", kill_on_drop: false }`
[INFO] [stdout] ec7c776657ac2ac284a692ddbe27fa0d79a676d810134b234c43f35c5b20a2e7