[INFO] cloning repository https://github.com/catunlock/file2wav
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/catunlock/file2wav" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcatunlock%2Ffile2wav", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcatunlock%2Ffile2wav'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 38bd5bc88db45c1fb45675abedfb9df7e539d249
[INFO] checking catunlock/file2wav against master#8387315ab3c26a57a1f53a90f188f0bc88514bca for pr-124605
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcatunlock%2Ffile2wav" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/catunlock/file2wav on toolchain 8387315ab3c26a57a1f53a90f188f0bc88514bca
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8387315ab3c26a57a1f53a90f188f0bc88514bca" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/catunlock/file2wav
[INFO] finished tweaking git repo https://github.com/catunlock/file2wav
[INFO] tweaked toml for git repo https://github.com/catunlock/file2wav written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/catunlock/file2wav 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" "+8387315ab3c26a57a1f53a90f188f0bc88514bca" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking catunlock/file2wav against try#fcc50f77e1a14e407d895972348a0ff09eafc210 for pr-124605
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcatunlock%2Ffile2wav" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/catunlock/file2wav on toolchain fcc50f77e1a14e407d895972348a0ff09eafc210
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fcc50f77e1a14e407d895972348a0ff09eafc210" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/catunlock/file2wav
[INFO] finished tweaking git repo https://github.com/catunlock/file2wav
[INFO] tweaked toml for git repo https://github.com/catunlock/file2wav written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/catunlock/file2wav 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" "+fcc50f77e1a14e407d895972348a0ff09eafc210" "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-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+fcc50f77e1a14e407d895972348a0ff09eafc210" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 81e8d5715783249568aa4c01d76f3a80cad57047982d198f32cc6e28de687f95
[INFO] running `Command { std: "docker" "start" "-a" "81e8d5715783249568aa4c01d76f3a80cad57047982d198f32cc6e28de687f95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81e8d5715783249568aa4c01d76f3a80cad57047982d198f32cc6e28de687f95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81e8d5715783249568aa4c01d76f3a80cad57047982d198f32cc6e28de687f95", kill_on_drop: false }`
[INFO] [stdout] 81e8d5715783249568aa4c01d76f3a80cad57047982d198f32cc6e28de687f95
[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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+fcc50f77e1a14e407d895972348a0ff09eafc210" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f756f1c340f326446fe03de7ef8cf02859903a80bdc102cb3a1098039c5c8700
[INFO] running `Command { std: "docker" "start" "-a" "f756f1c340f326446fe03de7ef8cf02859903a80bdc102cb3a1098039c5c8700", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking pix2wav v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `skip`
[INFO] [stdout]   --> src/main.rs:37:82
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn insert(input_wav: &str, hide_file: &str, output_wav: &str, bits_per_byte: u8, skip: usize) -> usize {
[INFO] [stdout]    |                                                                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_skip`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `skip`
[INFO] [stdout]   --> src/main.rs:82:48
[INFO] [stdout]    |
[INFO] [stdout] 82 | fn recover(input_wav: &str, bits_per_byte: u8, skip: usize, samples_used: usize) -> Vec<u8> {
[INFO] [stdout]    |                                                ^^^^ help: if this is intentional, prefix it with an underscore: `_skip`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `samples_used`
[INFO] [stdout]   --> src/main.rs:82:61
[INFO] [stdout]    |
[INFO] [stdout] 82 | fn recover(input_wav: &str, bits_per_byte: u8, skip: usize, samples_used: usize) -> Vec<u8> {
[INFO] [stdout]    |                                                             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_samples_used`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |         writer.write_sample(audio_samples[audio_samples.len() -1]);
[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)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let _ = writer.write_sample(audio_samples[audio_samples.len() -1]);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `skip`
[INFO] [stdout]   --> src/main.rs:37:82
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn insert(input_wav: &str, hide_file: &str, output_wav: &str, bits_per_byte: u8, skip: usize) -> usize {
[INFO] [stdout]    |                                                                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_skip`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `skip`
[INFO] [stdout]   --> src/main.rs:82:48
[INFO] [stdout]    |
[INFO] [stdout] 82 | fn recover(input_wav: &str, bits_per_byte: u8, skip: usize, samples_used: usize) -> Vec<u8> {
[INFO] [stdout]    |                                                ^^^^ help: if this is intentional, prefix it with an underscore: `_skip`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `samples_used`
[INFO] [stdout]   --> src/main.rs:82:61
[INFO] [stdout]    |
[INFO] [stdout] 82 | fn recover(input_wav: &str, bits_per_byte: u8, skip: usize, samples_used: usize) -> Vec<u8> {
[INFO] [stdout]    |                                                             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_samples_used`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |         writer.write_sample(audio_samples[audio_samples.len() -1]);
[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)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let _ = writer.write_sample(audio_samples[audio_samples.len() -1]);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.75s
[INFO] running `Command { std: "docker" "inspect" "f756f1c340f326446fe03de7ef8cf02859903a80bdc102cb3a1098039c5c8700", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f756f1c340f326446fe03de7ef8cf02859903a80bdc102cb3a1098039c5c8700", kill_on_drop: false }`
[INFO] [stdout] f756f1c340f326446fe03de7ef8cf02859903a80bdc102cb3a1098039c5c8700