[INFO] fetching crate simple_tones 0.1.0...
[INFO] checking simple_tones-0.1.0 against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] extracting crate simple_tones 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate simple_tones 0.1.0
[INFO] finished tweaking crates.io crate simple_tones 0.1.0
[INFO] tweaked toml for crates.io crate simple_tones 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate simple_tones 0.1.0 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]     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]      Locking 120 packages to latest compatible versions
[INFO] [stderr]       Adding rodio v0.13.1 (available: v0.22.2)
[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] 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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5ea3dd1b1d102563e04c7d6a58e043d4955b52523a4f943fb118a8cec07d30a
[INFO] running `Command { std: "docker" "start" "-a" "d5ea3dd1b1d102563e04c7d6a58e043d4955b52523a4f943fb118a8cec07d30a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5ea3dd1b1d102563e04c7d6a58e043d4955b52523a4f943fb118a8cec07d30a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5ea3dd1b1d102563e04c7d6a58e043d4955b52523a4f943fb118a8cec07d30a", kill_on_drop: false }`
[INFO] [stdout] d5ea3dd1b1d102563e04c7d6a58e043d4955b52523a4f943fb118a8cec07d30a
[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" "-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] bd473979e17af4d3594fa9aa7e861edc944776f03ae23b11b8e3f8fd26c7d24d
[INFO] running `Command { std: "docker" "start" "-a" "bd473979e17af4d3594fa9aa7e861edc944776f03ae23b11b8e3f8fd26c7d24d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling cpal v0.13.5
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]     Checking ogg v0.8.0
[INFO] [stderr]     Checking claxon v0.4.3
[INFO] [stderr]     Checking hound v3.5.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]     Checking lewton v0.10.2
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking parking_lot_core v0.8.6
[INFO] [stderr]     Checking nix v0.23.2
[INFO] [stderr]     Checking slice-ring-buffer v0.3.4
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling cc v1.2.62
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]     Checking minimp3 v0.5.2
[INFO] [stderr]     Checking alsa v0.6.0
[INFO] [stderr]     Checking rodio v0.13.1
[INFO] [stderr]     Checking simple_tones v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: struct `Rest` is never constructed
[INFO] [stdout]    --> src/notes.rs:237:12
[INFO] [stdout]     |
[INFO] [stdout] 237 | pub struct Rest(NoteDuration);
[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] error: struct `Rest` is never constructed
[INFO] [stdout]    --> src/notes.rs:237:12
[INFO] [stdout]     |
[INFO] [stdout] 237 | pub struct Rest(NoteDuration);
[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] [stderr] error: could not compile `simple_tones` (lib test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `simple_tones` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "bd473979e17af4d3594fa9aa7e861edc944776f03ae23b11b8e3f8fd26c7d24d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd473979e17af4d3594fa9aa7e861edc944776f03ae23b11b8e3f8fd26c7d24d", kill_on_drop: false }`
[INFO] [stdout] bd473979e17af4d3594fa9aa7e861edc944776f03ae23b11b8e3f8fd26c7d24d
