[INFO] fetching crate currawong_core 0.5.0...
[INFO] checking currawong_core-0.5.0 against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] extracting crate currawong_core 0.5.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate currawong_core 0.5.0
[INFO] finished tweaking crates.io crate currawong_core 0.5.0
[INFO] tweaked toml for crates.io crate currawong_core 0.5.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate currawong_core 0.5.0 on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 34 packages to latest compatible versions
[INFO] [stderr]       Adding getrandom v0.2.17 (available: v0.4.2)
[INFO] [stderr]       Adding rand v0.8.6 (available: v0.10.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e8b86a35ead7f3b0fd65db5ebfd99c74782c4acc4b8051cbc1415eb839923f0d
[INFO] running `Command { std: "docker" "start" "-a" "e8b86a35ead7f3b0fd65db5ebfd99c74782c4acc4b8051cbc1415eb839923f0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8b86a35ead7f3b0fd65db5ebfd99c74782c4acc4b8051cbc1415eb839923f0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8b86a35ead7f3b0fd65db5ebfd99c74782c4acc4b8051cbc1415eb839923f0d", kill_on_drop: false }`
[INFO] [stdout] e8b86a35ead7f3b0fd65db5ebfd99c74782c4acc4b8051cbc1415eb839923f0d
[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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f255f856b562380ba80430f14d087a3f07bb77d5bd39e07c00d89fc08b3ba515
[INFO] running `Command { std: "docker" "start" "-a" "f255f856b562380ba80430f14d087a3f07bb77d5bd39e07c00d89fc08b3ba515", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.16.0
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rayon v1.12.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.6
[INFO] [stderr]     Checking midly v0.5.3
[INFO] [stderr]     Checking currawong_core v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/signal.rs:63:33
[INFO] [stdout]    |
[INFO] [stdout] 63 |     Signal::from_fn(move |_ctx| (rng.borrow_mut().gen::<f64>()))
[INFO] [stdout]    |                                 ^                             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 63 -     Signal::from_fn(move |_ctx| (rng.borrow_mut().gen::<f64>()))
[INFO] [stdout] 63 +     Signal::from_fn(move |_ctx| rng.borrow_mut().gen::<f64>() )
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/signal.rs:63:33
[INFO] [stdout]    |
[INFO] [stdout] 63 |     Signal::from_fn(move |_ctx| (rng.borrow_mut().gen::<f64>()))
[INFO] [stdout]    |                                 ^                             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 63 -     Signal::from_fn(move |_ctx| (rng.borrow_mut().gen::<f64>()))
[INFO] [stdout] 63 +     Signal::from_fn(move |_ctx| rng.borrow_mut().gen::<f64>() )
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `MidiControllerTableRaw` is never constructed
[INFO] [stdout]   --> src/midi.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub struct MidiControllerTableRaw {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/builder.rs:736:28
[INFO] [stdout]     |
[INFO] [stdout] 736 |     pub fn sampler(sample: &Sample) -> SamplerBuilder {
[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] 736 |     pub fn sampler(sample: &Sample) -> SamplerBuilder<'_> {
[INFO] [stdout]     |                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `currawong_core` (lib) due to 1 previous error; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: struct `MidiControllerTableRaw` is never constructed
[INFO] [stdout]   --> src/midi.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub struct MidiControllerTableRaw {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/builder.rs:736:28
[INFO] [stdout]     |
[INFO] [stdout] 736 |     pub fn sampler(sample: &Sample) -> SamplerBuilder {
[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] 736 |     pub fn sampler(sample: &Sample) -> SamplerBuilder<'_> {
[INFO] [stdout]     |                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `currawong_core` (lib test) due to 1 previous error; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "f255f856b562380ba80430f14d087a3f07bb77d5bd39e07c00d89fc08b3ba515", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f255f856b562380ba80430f14d087a3f07bb77d5bd39e07c00d89fc08b3ba515", kill_on_drop: false }`
[INFO] [stdout] f255f856b562380ba80430f14d087a3f07bb77d5bd39e07c00d89fc08b3ba515
