[INFO] cloning repository https://github.com/403F2E/Roncerto
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/403F2E/Roncerto" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F403F2E%2FRoncerto", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F403F2E%2FRoncerto'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fbad5bdd7fbe3cdd88445cf564627b3bd3d1bf0b
[INFO] checking 403F2E/Roncerto against master#f8463896a9b36a04899c013bd8825a7fd29dd7a4 for pr-151920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F403F2E%2FRoncerto" "/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/403F2E/Roncerto
[INFO] finished tweaking git repo https://github.com/403F2E/Roncerto
[INFO] tweaked toml for git repo https://github.com/403F2E/Roncerto written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/403F2E/Roncerto on toolchain f8463896a9b36a04899c013bd8825a7fd29dd7a4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/403F2E/Roncerto 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" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded symphonia-format-isomp4 v0.5.5
[INFO] [stderr]   Downloaded symphonia-codec-aac v0.5.5
[INFO] [stderr]   Downloaded symphonia-bundle-mp3 v0.5.5
[INFO] [stderr]   Downloaded rodio v0.21.1
[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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c3219b3b69abbe44204c41d50ba0d6565ab691782ee12ac498dbb8de32c28b0
[INFO] running `Command { std: "docker" "start" "-a" "0c3219b3b69abbe44204c41d50ba0d6565ab691782ee12ac498dbb8de32c28b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c3219b3b69abbe44204c41d50ba0d6565ab691782ee12ac498dbb8de32c28b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c3219b3b69abbe44204c41d50ba0d6565ab691782ee12ac498dbb8de32c28b0", kill_on_drop: false }`
[INFO] [stdout] 0c3219b3b69abbe44204c41d50ba0d6565ab691782ee12ac498dbb8de32c28b0
[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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54af17f4337387df3c902c22b994d870d8710eb3239688e6ec07604af4b06f4d
[INFO] running `Command { std: "docker" "start" "-a" "54af17f4337387df3c902c22b994d870d8710eb3239688e6ec07604af4b06f4d", kill_on_drop: false }`
[INFO] [stderr]     Checking symphonia-core v0.5.5
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling rustix v1.1.3
[INFO] [stderr]     Checking mio v1.1.1
[INFO] [stderr]    Compiling litrs v1.0.0
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking alsa-sys v0.3.1
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking alsa v0.9.1
[INFO] [stderr]     Checking signal-hook-mio v0.2.5
[INFO] [stderr]    Compiling document-features v0.2.12
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking symphonia-metadata v0.5.5
[INFO] [stderr]     Checking symphonia-codec-aac v0.5.5
[INFO] [stderr]     Checking symphonia-codec-pcm v0.5.5
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking cpal v0.16.0
[INFO] [stderr]     Checking symphonia-utils-xiph v0.5.5
[INFO] [stderr]     Checking symphonia-format-riff v0.5.5
[INFO] [stderr]     Checking symphonia-bundle-mp3 v0.5.5
[INFO] [stderr]     Checking symphonia-format-ogg v0.5.5
[INFO] [stderr]     Checking symphonia-codec-vorbis v0.5.5
[INFO] [stderr]     Checking symphonia-format-isomp4 v0.5.5
[INFO] [stderr]     Checking symphonia-bundle-flac v0.5.5
[INFO] [stderr]     Checking symphonia v0.5.5
[INFO] [stderr]    Compiling derive_more-impl v2.1.1
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking rodio v0.21.1
[INFO] [stderr]     Checking derive_more v2.1.1
[INFO] [stderr]     Checking crossterm v0.29.0
[INFO] [stderr]     Checking roncerto v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `device`
[INFO] [stdout]  --> src/main.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     for device in devices {}
[INFO] [stdout]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_device`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `Result`. This is more readably written as an `if let` statement
[INFO] [stdout]  --> src/main.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 |     for device in devices {}
[INFO] [stdout]   |                   ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]   |
[INFO] [stdout] 7 -     for device in devices {}
[INFO] [stdout] 7 +     while let Ok(device) = devices {}
[INFO] [stdout]   |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]   |
[INFO] [stdout] 7 -     for device in devices {}
[INFO] [stdout] 7 +     if let Ok(device) = devices {}
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `device`
[INFO] [stdout]  --> src/main.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     for device in devices {}
[INFO] [stdout]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_device`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `Result`. This is more readably written as an `if let` statement
[INFO] [stdout]  --> src/main.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 |     for device in devices {}
[INFO] [stdout]   |                   ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]   |
[INFO] [stdout] 7 -     for device in devices {}
[INFO] [stdout] 7 +     while let Ok(device) = devices {}
[INFO] [stdout]   |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]   |
[INFO] [stdout] 7 -     for device in devices {}
[INFO] [stdout] 7 +     if let Ok(device) = devices {}
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.82s
[INFO] running `Command { std: "docker" "inspect" "54af17f4337387df3c902c22b994d870d8710eb3239688e6ec07604af4b06f4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54af17f4337387df3c902c22b994d870d8710eb3239688e6ec07604af4b06f4d", kill_on_drop: false }`
[INFO] [stdout] 54af17f4337387df3c902c22b994d870d8710eb3239688e6ec07604af4b06f4d
