[INFO] cloning repository https://github.com/Linxuanhua1/musicbox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Linxuanhua1/musicbox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLinxuanhua1%2Fmusicbox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLinxuanhua1%2Fmusicbox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5b32230e758acbc75ba2d05b86b348b419f5563a
[INFO] checking Linxuanhua1/musicbox against try#b28cc4eb48a6415b914e8ad0308be255ff8d73ed for pr-156508-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLinxuanhua1%2Fmusicbox" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Linxuanhua1/musicbox
[INFO] finished tweaking git repo https://github.com/Linxuanhua1/musicbox
[INFO] tweaked toml for git repo https://github.com/Linxuanhua1/musicbox written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Linxuanhua1/musicbox on toolchain b28cc4eb48a6415b914e8ad0308be255ff8d73ed
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Linxuanhua1/musicbox 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" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e57a2f0a124f0b55617fd0b366890e8e3e86d3707d1a0b870239e8a1cec2434
[INFO] running `Command { std: "docker" "start" "-a" "6e57a2f0a124f0b55617fd0b366890e8e3e86d3707d1a0b870239e8a1cec2434", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e57a2f0a124f0b55617fd0b366890e8e3e86d3707d1a0b870239e8a1cec2434", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e57a2f0a124f0b55617fd0b366890e8e3e86d3707d1a0b870239e8a1cec2434", kill_on_drop: false }`
[INFO] [stdout] 6e57a2f0a124f0b55617fd0b366890e8e3e86d3707d1a0b870239e8a1cec2434
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae3c50adc9ae61c15a1a772a9cf64cadfc6c05844ed0c4f93253e2f9c38a525b
[INFO] running `Command { std: "docker" "start" "-a" "ae3c50adc9ae61c15a1a772a9cf64cadfc6c05844ed0c4f93253e2f9c38a525b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling siphasher v1.0.1
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]     Checking cfg-if v1.0.4
[INFO] [stderr]     Checking adler2 v2.0.1
[INFO] [stderr]     Checking simd-adler32 v0.3.8
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling serde_json v1.0.148
[INFO] [stderr]     Checking log v0.4.29
[INFO] [stderr]     Checking data-encoding v2.9.0
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]     Checking itoa v1.0.17
[INFO] [stderr]     Checking zmij v1.0.0
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking phf_shared v0.13.1
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking ogg_pager v0.7.0
[INFO] [stderr]    Compiling phf_generator v0.13.1
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]     Checking flate2 v1.1.5
[INFO] [stderr]    Compiling phf_macros v0.13.1
[INFO] [stderr]    Compiling lofty_attr v0.11.1
[INFO] [stderr]     Checking phf v0.13.1
[INFO] [stderr]     Checking lofty v0.22.4
[INFO] [stderr]     Checking musicbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `direct2flac` is never used
[INFO] [stdout]  --> src/audio_handler.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn direct2flac(file_path: path::PathBuf) {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/audio_handler.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     audio_encoder::encode_file2flac(file_path, output_file_path);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let _ = audio_encoder::encode_file2flac(file_path, output_file_path);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `direct2flac` is never used
[INFO] [stdout]  --> src/audio_handler.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn direct2flac(file_path: path::PathBuf) {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/audio_handler.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     audio_encoder::encode_file2flac(file_path, output_file_path);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let _ = audio_encoder::encode_file2flac(file_path, output_file_path);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.66s
[INFO] running `Command { std: "docker" "inspect" "ae3c50adc9ae61c15a1a772a9cf64cadfc6c05844ed0c4f93253e2f9c38a525b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae3c50adc9ae61c15a1a772a9cf64cadfc6c05844ed0c4f93253e2f9c38a525b", kill_on_drop: false }`
[INFO] [stdout] ae3c50adc9ae61c15a1a772a9cf64cadfc6c05844ed0c4f93253e2f9c38a525b