[INFO] cloning repository https://github.com/ritiek/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/ritiek/piano-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fritiek%2Fpiano-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fritiek%2Fpiano-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e7d11638c676e581f5de7e7f9ca5417b006a36d8
[INFO] checking ritiek/piano-rs against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fritiek%2Fpiano-rs" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ritiek/piano-rs on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ritiek/piano-rs
[INFO] finished tweaking git repo https://github.com/ritiek/piano-rs
[INFO] tweaked toml for git repo https://github.com/ritiek/piano-rs written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ritiek/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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossterm_winapi v0.2.1
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d3d0a0222a339989495d846b8da20a70e55cc026fdf351214bced9cd9c2c594f
[INFO] running `Command { std: "docker" "start" "-a" "d3d0a0222a339989495d846b8da20a70e55cc026fdf351214bced9cd9c2c594f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3d0a0222a339989495d846b8da20a70e55cc026fdf351214bced9cd9c2c594f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3d0a0222a339989495d846b8da20a70e55cc026fdf351214bced9cd9c2c594f", kill_on_drop: false }`
[INFO] [stdout] d3d0a0222a339989495d846b8da20a70e55cc026fdf351214bced9cd9c2c594f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49e520254893a5277abb7611e1f95d869e4b47ba6285cb919bf819fc45159772
[INFO] running `Command { std: "docker" "start" "-a" "49e520254893a5277abb7611e1f95d869e4b47ba6285cb919bf819fc45159772", kill_on_drop: false }`
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[INFO] [stderr]     Checking rand_core v0.4.2
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[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling serde v1.0.100
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking rawpointer v0.2.1
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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 14.67s
[INFO] running `Command { std: "docker" "inspect" "49e520254893a5277abb7611e1f95d869e4b47ba6285cb919bf819fc45159772", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49e520254893a5277abb7611e1f95d869e4b47ba6285cb919bf819fc45159772", kill_on_drop: false }`
[INFO] [stdout] 49e520254893a5277abb7611e1f95d869e4b47ba6285cb919bf819fc45159772