[INFO] cloning repository https://github.com/joshua-mo-143/dub-oxide
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/joshua-mo-143/dub-oxide" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoshua-mo-143%2Fdub-oxide", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoshua-mo-143%2Fdub-oxide'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b18f3d8652d89ddef959f460973fc904fa6ef7c0
[INFO] checking joshua-mo-143/dub-oxide against master#667247db71ea18c4130dd018d060e7f09d589490 for pr-140824
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoshua-mo-143%2Fdub-oxide" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/joshua-mo-143/dub-oxide on toolchain 667247db71ea18c4130dd018d060e7f09d589490
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+667247db71ea18c4130dd018d060e7f09d589490" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/joshua-mo-143/dub-oxide
[INFO] finished tweaking git repo https://github.com/joshua-mo-143/dub-oxide
[INFO] tweaked toml for git repo https://github.com/joshua-mo-143/dub-oxide written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/joshua-mo-143/dub-oxide 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" "+667247db71ea18c4130dd018d060e7f09d589490" "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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+667247db71ea18c4130dd018d060e7f09d589490" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4ca822fa10c311225a6021eb25c47f58939a10819e0b73c22b76190c743f66c
[INFO] running `Command { std: "docker" "start" "-a" "a4ca822fa10c311225a6021eb25c47f58939a10819e0b73c22b76190c743f66c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4ca822fa10c311225a6021eb25c47f58939a10819e0b73c22b76190c743f66c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4ca822fa10c311225a6021eb25c47f58939a10819e0b73c22b76190c743f66c", kill_on_drop: false }`
[INFO] [stdout] a4ca822fa10c311225a6021eb25c47f58939a10819e0b73c22b76190c743f66c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+667247db71ea18c4130dd018d060e7f09d589490" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d24a99f495b56f53b2fa3a0131850b9a9b4475397416711c10bca8054ba80dc
[INFO] running `Command { std: "docker" "start" "-a" "8d24a99f495b56f53b2fa3a0131850b9a9b4475397416711c10bca8054ba80dc", kill_on_drop: false }`
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking bytemuck v1.22.0
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]     Checking extended v0.1.0
[INFO] [stderr]     Checking once_cell v1.21.2
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking smallvec v1.14.0
[INFO] [stderr]     Checking hound v3.5.1
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking encoding_rs v0.8.35
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking aiff v0.1.0 (/opt/rustwide/workdir/encoders/aiff)
[INFO] [stdout] warning: unused import: `LittleEndian`
[INFO] [stdout]  --> encoders/aiff/src/lib.rs:6:28
[INFO] [stdout]   |
[INFO] [stdout] 6 | use byteorder::{BigEndian, LittleEndian, WriteBytesExt};
[INFO] [stdout]   |                            ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking symphonia-core v0.5.4
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking tracing-subscriber v0.3.19
[INFO] [stderr]     Checking symphonia-codec-pcm v0.5.4
[INFO] [stderr]     Checking symphonia-codec-adpcm v0.5.4
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking symphonia-metadata v0.5.4
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking symphonia-utils-xiph v0.5.4
[INFO] [stderr]     Checking symphonia-format-riff v0.5.4
[INFO] [stderr]     Checking symphonia-format-ogg v0.5.4
[INFO] [stderr]     Checking symphonia-codec-vorbis v0.5.4
[INFO] [stderr]     Checking symphonia-format-mkv v0.5.4
[INFO] [stderr]     Checking symphonia-bundle-flac v0.5.4
[INFO] [stderr]     Checking symphonia v0.5.4
[INFO] [stdout] warning: unused import: `LittleEndian`
[INFO] [stdout]  --> encoders/aiff/src/lib.rs:6:28
[INFO] [stdout]   |
[INFO] [stdout] 6 | use byteorder::{BigEndian, LittleEndian, WriteBytesExt};
[INFO] [stdout]   |                            ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking dub-oxide v0.0.0 (/opt/rustwide/workdir/dub-oxide)
[INFO] [stdout] warning: unused variable: `bits_per_sample`
[INFO] [stdout]   --> dub-oxide/src/lib.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |         let bits_per_sample = self.bits_per_sample.unwrap();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bits_per_sample`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bits_per_sample`
[INFO] [stdout]   --> dub-oxide/src/lib.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |         let bits_per_sample = self.bits_per_sample.unwrap();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bits_per_sample`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.63s
[INFO] running `Command { std: "docker" "inspect" "8d24a99f495b56f53b2fa3a0131850b9a9b4475397416711c10bca8054ba80dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d24a99f495b56f53b2fa3a0131850b9a9b4475397416711c10bca8054ba80dc", kill_on_drop: false }`
[INFO] [stdout] 8d24a99f495b56f53b2fa3a0131850b9a9b4475397416711c10bca8054ba80dc