[INFO] fetching crate rmusic 0.1.1...
[INFO] building rmusic-0.1.1 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate rmusic 0.1.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate rmusic 0.1.1
[INFO] finished tweaking crates.io crate rmusic 0.1.1
[INFO] tweaked toml for crates.io crate rmusic 0.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rmusic 0.1.1 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rmusic 0.1.1 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f67b083d0762984a994db5818832f0126714b12d80a9ec473a847ec025182b41
[INFO] running `Command { std: "docker" "start" "-a" "f67b083d0762984a994db5818832f0126714b12d80a9ec473a847ec025182b41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f67b083d0762984a994db5818832f0126714b12d80a9ec473a847ec025182b41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f67b083d0762984a994db5818832f0126714b12d80a9ec473a847ec025182b41", kill_on_drop: false }`
[INFO] [stdout] f67b083d0762984a994db5818832f0126714b12d80a9ec473a847ec025182b41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d7f15b61c6047b84bb6eb115e5cb049364399b092e52f12d8226240f6e149db
[INFO] running `Command { std: "docker" "start" "-a" "2d7f15b61c6047b84bb6eb115e5cb049364399b092e52f12d8226240f6e149db", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.166
[INFO] [stderr]    Compiling bytemuck v1.20.0
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling cpal v0.15.3
[INFO] [stderr]    Compiling tinyvec v1.8.0
[INFO] [stderr]    Compiling dasp_sample v0.11.0
[INFO] [stderr]    Compiling claxon v0.4.3
[INFO] [stderr]    Compiling hound v3.5.1
[INFO] [stderr]    Compiling symphonia-core v0.5.4
[INFO] [stderr]    Compiling lewton v0.10.2
[INFO] [stderr]    Compiling symphonia-metadata v0.5.4
[INFO] [stderr]    Compiling symphonia-bundle-mp3 v0.5.4
[INFO] [stderr]    Compiling alsa v0.9.1
[INFO] [stderr]    Compiling symphonia v0.5.4
[INFO] [stderr]    Compiling rodio v0.20.1
[INFO] [stderr]    Compiling rmusic v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `result`
[INFO] [stdout]  --> src/main.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{env, fs, result};
[INFO] [stdout]   |                    ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread::sleep`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::thread::sleep;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.91s
[INFO] running `Command { std: "docker" "inspect" "2d7f15b61c6047b84bb6eb115e5cb049364399b092e52f12d8226240f6e149db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d7f15b61c6047b84bb6eb115e5cb049364399b092e52f12d8226240f6e149db", kill_on_drop: false }`
[INFO] [stdout] 2d7f15b61c6047b84bb6eb115e5cb049364399b092e52f12d8226240f6e149db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c17d1cdbd54e5b9278cd1c9b0cba2a1395779cb68d4b8f0a1c06786e45ad0e4
[INFO] running `Command { std: "docker" "start" "-a" "1c17d1cdbd54e5b9278cd1c9b0cba2a1395779cb68d4b8f0a1c06786e45ad0e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling rmusic v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `result`
[INFO] [stdout]  --> src/main.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{env, fs, result};
[INFO] [stdout]   |                    ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread::sleep`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::thread::sleep;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "1c17d1cdbd54e5b9278cd1c9b0cba2a1395779cb68d4b8f0a1c06786e45ad0e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c17d1cdbd54e5b9278cd1c9b0cba2a1395779cb68d4b8f0a1c06786e45ad0e4", kill_on_drop: false }`
[INFO] [stdout] 1c17d1cdbd54e5b9278cd1c9b0cba2a1395779cb68d4b8f0a1c06786e45ad0e4