[INFO] fetching crate chirpycritter 0.1.0...
[INFO] checking chirpycritter-0.1.0 against master#a5db378dc14a40dd1580c27fb8362156446382c3 for pr-136490
[INFO] extracting crate chirpycritter 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate chirpycritter 0.1.0 on toolchain a5db378dc14a40dd1580c27fb8362156446382c3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5db378dc14a40dd1580c27fb8362156446382c3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chirpycritter 0.1.0
[INFO] finished tweaking crates.io crate chirpycritter 0.1.0
[INFO] tweaked toml for crates.io crate chirpycritter 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate chirpycritter 0.1.0 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" "+a5db378dc14a40dd1580c27fb8362156446382c3" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded midly v0.5.2
[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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+a5db378dc14a40dd1580c27fb8362156446382c3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c68c5ebe6da30bb330f2763cf0790384a58aec6b5c88cd9bbe6f2a0c75dc5bf
[INFO] running `Command { std: "docker" "start" "-a" "6c68c5ebe6da30bb330f2763cf0790384a58aec6b5c88cd9bbe6f2a0c75dc5bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c68c5ebe6da30bb330f2763cf0790384a58aec6b5c88cd9bbe6f2a0c75dc5bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c68c5ebe6da30bb330f2763cf0790384a58aec6b5c88cd9bbe6f2a0c75dc5bf", kill_on_drop: false }`
[INFO] [stdout] 6c68c5ebe6da30bb330f2763cf0790384a58aec6b5c88cd9bbe6f2a0c75dc5bf
[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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+a5db378dc14a40dd1580c27fb8362156446382c3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e465dc7c49fee731ddc186bcaf16ab10199ce40564e0f9ce2dd5e5fbc555a55c
[INFO] running `Command { std: "docker" "start" "-a" "e465dc7c49fee731ddc186bcaf16ab10199ce40564e0f9ce2dd5e5fbc555a55c", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling pkg-config v0.3.20
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking instant v0.1.11
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling cpal v0.13.4
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking nix v0.20.2
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking midly v0.5.2
[INFO] [stderr]     Checking alsa v0.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking chirpycritter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `program`
[INFO] [stdout]    --> src/stock.rs:161:29
[INFO] [stdout]     |
[INFO] [stdout] 161 |     fn add_voice(&mut self, program: u16, frequency: u16, duration: u16) {
[INFO] [stdout]     |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `program`
[INFO] [stdout]    --> src/stock.rs:161:29
[INFO] [stdout]     |
[INFO] [stdout] 161 |     fn add_voice(&mut self, program: u16, frequency: u16, duration: u16) {
[INFO] [stdout]     |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[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 18.39s
[INFO] running `Command { std: "docker" "inspect" "e465dc7c49fee731ddc186bcaf16ab10199ce40564e0f9ce2dd5e5fbc555a55c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e465dc7c49fee731ddc186bcaf16ab10199ce40564e0f9ce2dd5e5fbc555a55c", kill_on_drop: false }`
[INFO] [stdout] e465dc7c49fee731ddc186bcaf16ab10199ce40564e0f9ce2dd5e5fbc555a55c