[INFO] fetching crate picosakura 0.1.40...
[INFO] checking picosakura-0.1.40 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate picosakura 0.1.40 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate picosakura 0.1.40
[INFO] finished tweaking crates.io crate picosakura 0.1.40
[INFO] tweaked toml for crates.io crate picosakura 0.1.40 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate picosakura 0.1.40 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate picosakura 0.1.40 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e4161f9b85be95d930dabad9e8ec0bcc3557d9c4f6dbbac06cf864ffb5471c46
[INFO] running `Command { std: "docker" "start" "-a" "e4161f9b85be95d930dabad9e8ec0bcc3557d9c4f6dbbac06cf864ffb5471c46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4161f9b85be95d930dabad9e8ec0bcc3557d9c4f6dbbac06cf864ffb5471c46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4161f9b85be95d930dabad9e8ec0bcc3557d9c4f6dbbac06cf864ffb5471c46", kill_on_drop: false }`
[INFO] [stdout] e4161f9b85be95d930dabad9e8ec0bcc3557d9c4f6dbbac06cf864ffb5471c46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=forbid -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6384489ea5adb6459e641cd1eeac52c22ab07cbc11d6a5e09239b6914d268174
[INFO] running `Command { std: "docker" "start" "-a" "6384489ea5adb6459e641cd1eeac52c22ab07cbc11d6a5e09239b6914d268174", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.92
[INFO] [stderr]    Compiling bumpalo v3.16.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.92
[INFO] [stderr]     Checking rustysynth v1.3.1
[INFO] [stderr]     Checking wav_io v0.1.14
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling syn v2.0.71
[INFO] [stderr]     Checking tinyaudio v0.1.3
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.92
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.92
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.92
[INFO] [stderr]     Checking sakuramml v0.1.40
[INFO] [stderr]     Checking picosakura v0.1.40 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<f32>, Infallible>
[INFO] [stdout]    --> src/lib.rs:133:32
[INFO] [stdout]     |
[INFO] [stdout] 133 |         let samples:Vec<f32> = wav_io::resample::linear(samples, 2, sample_rate as u32, 16000).try_into().unwrap();
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<f32>, Infallible>
[INFO] [stdout]    --> src/lib.rs:133:32
[INFO] [stdout]     |
[INFO] [stdout] 133 |         let samples:Vec<f32> = wav_io::resample::linear(samples, 2, sample_rate as u32, 16000).try_into().unwrap();
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `picosakura` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `picosakura` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "6384489ea5adb6459e641cd1eeac52c22ab07cbc11d6a5e09239b6914d268174", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6384489ea5adb6459e641cd1eeac52c22ab07cbc11d6a5e09239b6914d268174", kill_on_drop: false }`
[INFO] [stdout] 6384489ea5adb6459e641cd1eeac52c22ab07cbc11d6a5e09239b6914d268174