[INFO] cloning repository https://github.com/arlyon/recognise-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arlyon/recognise-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farlyon%2Frecognise-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farlyon%2Frecognise-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6cc7421f1473546e048de3a1e1ce1efebd1f851c
[INFO] checking arlyon/recognise-rs against master#ba412a6e70ac84641be7764d088acabd0eb3fa39 for pr-145457
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farlyon%2Frecognise-rs" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/arlyon/recognise-rs
[INFO] finished tweaking git repo https://github.com/arlyon/recognise-rs
[INFO] tweaked toml for git repo https://github.com/arlyon/recognise-rs written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/arlyon/recognise-rs on toolchain ba412a6e70ac84641be7764d088acabd0eb3fa39
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ba412a6e70ac84641be7764d088acabd0eb3fa39" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/arlyon/recognise-rs 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" "+ba412a6e70ac84641be7764d088acabd0eb3fa39" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded guts v0.1.1
[INFO] [stderr]   Downloaded signalo_sinks v0.5.2
[INFO] [stderr]   Downloaded signalo_traits v0.5.0
[INFO] [stderr]   Downloaded signalo_sources v0.5.2
[INFO] [stderr]   Downloaded signalo_filters v0.6.0
[INFO] [stderr]   Downloaded signalo v0.6.0
[INFO] [stderr]   Downloaded signalo_pipes v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+ba412a6e70ac84641be7764d088acabd0eb3fa39" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce039c5f36bf6480074c4c2f83eb486836c3e0a26ebeebe8f06717effa8001dc
[INFO] running `Command { std: "docker" "start" "-a" "ce039c5f36bf6480074c4c2f83eb486836c3e0a26ebeebe8f06717effa8001dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce039c5f36bf6480074c4c2f83eb486836c3e0a26ebeebe8f06717effa8001dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce039c5f36bf6480074c4c2f83eb486836c3e0a26ebeebe8f06717effa8001dc", kill_on_drop: false }`
[INFO] [stdout] ce039c5f36bf6480074c4c2f83eb486836c3e0a26ebeebe8f06717effa8001dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+ba412a6e70ac84641be7764d088acabd0eb3fa39" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36c1aca63f65720e8ac4d073ff1df224aecc44534290529b5147ebde27dac799
[INFO] running `Command { std: "docker" "start" "-a" "36c1aca63f65720e8ac4d073ff1df224aecc44534290529b5147ebde27dac799", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking dasp_sample v0.11.0
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]     Checking replace_with v0.1.7
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking guts v0.1.1
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]     Checking dasp_ring_buffer v0.11.0
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling anyhow v1.0.54
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking lock_api v0.4.6
[INFO] [stderr]    Compiling cpal v0.13.5
[INFO] [stderr]     Checking signalo_traits v0.5.0
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]     Checking find_folder v0.3.0
[INFO] [stderr]     Checking signalo_pipes v0.5.1
[INFO] [stderr]     Checking dasp_frame v0.11.0
[INFO] [stderr]     Checking dasp_window v0.11.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]     Checking dasp_rms v0.11.0
[INFO] [stderr]     Checking dasp_peak v0.11.0
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[INFO] [stderr]     Checking dasp_signal v0.11.0
[INFO] [stderr]    Compiling quote v1.0.15
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[INFO] [stderr]     Checking signalo_filters v0.6.0
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[INFO] [stderr]     Checking signalo_sinks v0.5.2
[INFO] [stderr]     Checking nix v0.23.1
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]     Checking signalo v0.6.0
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking alsa v0.6.0
[INFO] [stderr]     Checking recognise-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `mpsc`
[INFO] [stdout]  --> src/main.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::sync::{mpsc, Mutex};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mpsc`
[INFO] [stdout]  --> src/main.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::sync::{mpsc, Mutex};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.85s
[INFO] running `Command { std: "docker" "inspect" "36c1aca63f65720e8ac4d073ff1df224aecc44534290529b5147ebde27dac799", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36c1aca63f65720e8ac4d073ff1df224aecc44534290529b5147ebde27dac799", kill_on_drop: false }`
[INFO] [stdout] 36c1aca63f65720e8ac4d073ff1df224aecc44534290529b5147ebde27dac799