[INFO] fetching crate faloops 0.2.1...
[INFO] testing faloops-0.2.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate faloops 0.2.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate faloops 0.2.1
[INFO] finished tweaking crates.io crate faloops 0.2.1
[INFO] tweaked toml for crates.io crate faloops 0.2.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate faloops 0.2.1 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate faloops 0.2.1 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 237750d269c1598acb6e2bcd6479fd0a3bcbdfd87eb0e7908fe82bef52bef8c4
[INFO] running `Command { std: "docker" "start" "-a" "237750d269c1598acb6e2bcd6479fd0a3bcbdfd87eb0e7908fe82bef52bef8c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "237750d269c1598acb6e2bcd6479fd0a3bcbdfd87eb0e7908fe82bef52bef8c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "237750d269c1598acb6e2bcd6479fd0a3bcbdfd87eb0e7908fe82bef52bef8c4", kill_on_drop: false }`
[INFO] [stdout] 237750d269c1598acb6e2bcd6479fd0a3bcbdfd87eb0e7908fe82bef52bef8c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 231d795e6cf8e9a6dd4a2eedfb9c869e0f3110df48fed7c121afd5157d097205
[INFO] running `Command { std: "docker" "start" "-a" "231d795e6cf8e9a6dd4a2eedfb9c869e0f3110df48fed7c121afd5157d097205", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]    Compiling colorchoice v1.0.3
[INFO] [stderr]    Compiling anstyle-query v1.1.2
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling anstyle-parse v0.2.6
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]    Compiling cpal v0.16.0
[INFO] [stderr]    Compiling unicode-width v0.2.0
[INFO] [stderr]    Compiling dasp_sample v0.11.0
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling anstream v0.6.18
[INFO] [stderr]    Compiling terminal_size v0.4.2
[INFO] [stderr]    Compiling clap_builder v4.5.43
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling alsa v0.9.1
[INFO] [stderr]    Compiling clap_derive v4.5.41
[INFO] [stderr]    Compiling ctrlc v3.4.7
[INFO] [stderr]    Compiling cpvc v0.3.0
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cpvc-0.3.0/src/lib.rs:442:117
[INFO] [stdout]     |
[INFO] [stdout] 306 |     let mut success = None;
[INFO] [stdout]     |                       ---- expected due to this value
[INFO] [stdout] ...
[INFO] [stdout] 442 |                     selem.set_playback_volume(*channel, percent as i64 * factor / 100).unwrap_or_else(|_| success = false);
[INFO] [stdout]     |                                                                                                                     ^^^^^ expected `Option<_>`, found `bool`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected enum `Option<_>`
[INFO] [stdout]                found type `bool`
[INFO] [stdout] help: try wrapping the expression in `Some`
[INFO] [stdout]     |
[INFO] [stdout] 442 |                     selem.set_playback_volume(*channel, percent as i64 * factor / 100).unwrap_or_else(|_| success = Some(false));
[INFO] [stdout]     |                                                                                                                     +++++     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cpvc` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "231d795e6cf8e9a6dd4a2eedfb9c869e0f3110df48fed7c121afd5157d097205", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "231d795e6cf8e9a6dd4a2eedfb9c869e0f3110df48fed7c121afd5157d097205", kill_on_drop: false }`
[INFO] [stdout] 231d795e6cf8e9a6dd4a2eedfb9c869e0f3110df48fed7c121afd5157d097205
