[INFO] fetching crate espeaker 0.2.0...
[INFO] checking espeaker-0.2.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate espeaker 0.2.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate espeaker 0.2.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate espeaker 0.2.0
[INFO] tweaked toml for crates.io crate espeaker 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate espeaker 0.2.0 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 espeaker 0.2.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] bcff1dfbfe13b44b0be56da9eb5c460ad95e2b240cd357f04c9d2f64b55bb9bc
[INFO] running `Command { std: "docker" "start" "-a" "bcff1dfbfe13b44b0be56da9eb5c460ad95e2b240cd357f04c9d2f64b55bb9bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcff1dfbfe13b44b0be56da9eb5c460ad95e2b240cd357f04c9d2f64b55bb9bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcff1dfbfe13b44b0be56da9eb5c460ad95e2b240cd357f04c9d2f64b55bb9bc", kill_on_drop: false }`
[INFO] [stdout] bcff1dfbfe13b44b0be56da9eb5c460ad95e2b240cd357f04c9d2f64b55bb9bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] bd367189980db8e41024393ada577c1a954e9bb3b79279aa5a60fba2614c7d6c
[INFO] running `Command { std: "docker" "start" "-a" "bd367189980db8e41024393ada577c1a954e9bb3b79279aa5a60fba2614c7d6c", kill_on_drop: false }`
[INFO] [stderr]    Compiling glob v0.3.2
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]     Checking bytemuck v1.22.0
[INFO] [stderr]     Checking log v0.4.26
[INFO] [stderr]    Compiling bindgen v0.62.0
[INFO] [stderr]     Checking alsa-sys v0.3.1
[INFO] [stderr]     Checking symphonia-core v0.5.4
[INFO] [stderr]     Checking bitflags v2.9.0
[INFO] [stderr]     Checking lewton v0.10.2
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]     Checking alsa v0.9.1
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]     Checking symphonia-metadata v0.5.4
[INFO] [stderr]     Checking symphonia-bundle-mp3 v0.5.4
[INFO] [stderr]     Checking cpal v0.15.3
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]     Checking symphonia v0.5.4
[INFO] [stderr]     Checking rodio v0.20.1
[INFO] [stderr]    Compiling readonly v0.2.13
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling espeakng-sys v0.2.0
[INFO] [stderr]     Checking espeaker v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<i8, Infallible>
[INFO] [stdout]    --> src/lib.rs:162:31
[INFO] [stdout]     |
[INFO] [stdout] 162 |                     priority: priority.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] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:556:14
[INFO] [stdout]     |
[INFO] [stdout] 556 |     fn plock(&self) -> MutexGuard<T>;
[INFO] [stdout]     |              ^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |              |
[INFO] [stdout]     |              the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 556 |     fn plock(&self) -> MutexGuard<'_, T>;
[INFO] [stdout]     |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:560:14
[INFO] [stdout]     |
[INFO] [stdout] 560 |     fn plock(&self) -> MutexGuard<T> {
[INFO] [stdout]     |              ^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |              |
[INFO] [stdout]     |              the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 560 |     fn plock(&self) -> MutexGuard<'_, T> {
[INFO] [stdout]     |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i8, Infallible>
[INFO] [stdout]    --> src/lib.rs:162:31
[INFO] [stdout]     |
[INFO] [stdout] 162 |                     priority: priority.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] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:556:14
[INFO] [stdout]     |
[INFO] [stdout] 556 |     fn plock(&self) -> MutexGuard<T>;
[INFO] [stdout]     |              ^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |              |
[INFO] [stdout]     |              the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 556 |     fn plock(&self) -> MutexGuard<'_, T>;
[INFO] [stdout]     |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:560:14
[INFO] [stdout]     |
[INFO] [stdout] 560 |     fn plock(&self) -> MutexGuard<T> {
[INFO] [stdout]     |              ^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |              |
[INFO] [stdout]     |              the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 560 |     fn plock(&self) -> MutexGuard<'_, T> {
[INFO] [stdout]     |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `espeaker` (lib test) due to 1 previous error; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `espeaker` (lib) due to 1 previous error; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "bd367189980db8e41024393ada577c1a954e9bb3b79279aa5a60fba2614c7d6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd367189980db8e41024393ada577c1a954e9bb3b79279aa5a60fba2614c7d6c", kill_on_drop: false }`
[INFO] [stdout] bd367189980db8e41024393ada577c1a954e9bb3b79279aa5a60fba2614c7d6c