[INFO] fetching crate rusty_audio 1.4.1...
[INFO] checking rusty_audio-1.4.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate rusty_audio 1.4.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate rusty_audio 1.4.1 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rusty_audio 1.4.1
[INFO] finished tweaking crates.io crate rusty_audio 1.4.1
[INFO] tweaked toml for crates.io crate rusty_audio 1.4.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate rusty_audio 1.4.1 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded symphonia-core v0.5.2
[INFO] [stderr]   Downloaded coreaudio-sys v0.2.12
[INFO] [stderr]   Downloaded hound v3.5.0
[INFO] [stderr]   Downloaded symphonia-bundle-mp3 v0.5.2
[INFO] [stderr]   Downloaded symphonia-metadata v0.5.2
[INFO] [stderr]   Downloaded symphonia v0.5.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9dfed6e8f214bd1f77dd02b180c3a7bb06097262fa3bbb65d8099570161ab5e3
[INFO] running `Command { std: "docker" "start" "-a" "9dfed6e8f214bd1f77dd02b180c3a7bb06097262fa3bbb65d8099570161ab5e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9dfed6e8f214bd1f77dd02b180c3a7bb06097262fa3bbb65d8099570161ab5e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dfed6e8f214bd1f77dd02b180c3a7bb06097262fa3bbb65d8099570161ab5e3", kill_on_drop: false }`
[INFO] [stdout] 9dfed6e8f214bd1f77dd02b180c3a7bb06097262fa3bbb65d8099570161ab5e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] beec812050ceb3f81e8d6aa672745bbfe19f787f3ab69b5a6aa1bf9a5791a3ae
[INFO] running `Command { std: "docker" "start" "-a" "beec812050ceb3f81e8d6aa672745bbfe19f787f3ab69b5a6aa1bf9a5791a3ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling cpal v0.15.2
[INFO] [stderr]     Checking lock_api v0.4.9
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking dasp_sample v0.11.0
[INFO] [stderr]     Checking claxon v0.4.3
[INFO] [stderr]     Checking symphonia-core v0.5.2
[INFO] [stderr]     Checking hound v3.5.0
[INFO] [stderr]     Checking ogg v0.8.0
[INFO] [stderr]     Checking lewton v0.10.2
[INFO] [stderr]     Checking symphonia-metadata v0.5.2
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]     Checking symphonia-bundle-mp3 v0.5.2
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking alsa v0.7.0
[INFO] [stderr]     Checking symphonia v0.5.2
[INFO] [stderr]     Checking rodio v0.17.1
[INFO] [stderr]     Checking rusty_audio v1.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]   --> src/lib.rs:96:13
[INFO] [stdout]    |
[INFO] [stdout] 96 |             drop(i);
[INFO] [stdout]    |             ^^^^^-^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  argument has type `i16`
[INFO] [stdout]    |
[INFO] [stdout]    = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]   --> src/lib.rs:96:13
[INFO] [stdout]    |
[INFO] [stdout] 96 |             drop(i);
[INFO] [stdout]    |             ^^^^^-^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  argument has type `i16`
[INFO] [stdout]    |
[INFO] [stdout]    = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.27s
[INFO] running `Command { std: "docker" "inspect" "beec812050ceb3f81e8d6aa672745bbfe19f787f3ab69b5a6aa1bf9a5791a3ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "beec812050ceb3f81e8d6aa672745bbfe19f787f3ab69b5a6aa1bf9a5791a3ae", kill_on_drop: false }`
[INFO] [stdout] beec812050ceb3f81e8d6aa672745bbfe19f787f3ab69b5a6aa1bf9a5791a3ae