[INFO] cloning repository https://github.com/kira-bruneau/piomux
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kira-bruneau/piomux" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkira-bruneau%2Fpiomux", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkira-bruneau%2Fpiomux'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f2af7c286ff693b95c4c83d6350401be24a687fa
[INFO] checking kira-bruneau/piomux against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkira-bruneau%2Fpiomux" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kira-bruneau/piomux on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kira-bruneau/piomux
[INFO] finished tweaking git repo https://github.com/kira-bruneau/piomux
[INFO] tweaked toml for git repo https://github.com/kira-bruneau/piomux written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kira-bruneau/piomux 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ringbuf v0.2.6
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a1e182e072849eaaddb9ee25a044bd1c047743bcd912637f68bd4b29375ae16
[INFO] running `Command { std: "docker" "start" "-a" "9a1e182e072849eaaddb9ee25a044bd1c047743bcd912637f68bd4b29375ae16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a1e182e072849eaaddb9ee25a044bd1c047743bcd912637f68bd4b29375ae16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a1e182e072849eaaddb9ee25a044bd1c047743bcd912637f68bd4b29375ae16", kill_on_drop: false }`
[INFO] [stdout] 9a1e182e072849eaaddb9ee25a044bd1c047743bcd912637f68bd4b29375ae16
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96a547de80d45c86739d6a684e0915e949c2a8de0f592fdd0c299023c7027a43
[INFO] running `Command { std: "docker" "start" "-a" "96a547de80d45c86739d6a684e0915e949c2a8de0f592fdd0c299023c7027a43", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling syn v1.0.77
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]    Compiling tokio v1.12.0
[INFO] [stderr]     Checking ringbuf v0.2.6
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]     Checking piomux v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `is_full` is never used
[INFO] [stdout]   --> src/ring_buffer.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl<T, const CAPACITY: usize> RingBuffer<T, CAPACITY> {
[INFO] [stdout]    | ------------------------------------------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn is_full(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_full` is never used
[INFO] [stdout]   --> src/ring_buffer.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl<T, const CAPACITY: usize> RingBuffer<T, CAPACITY> {
[INFO] [stdout]    | ------------------------------------------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn is_full(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.25s
[INFO] running `Command { std: "docker" "inspect" "96a547de80d45c86739d6a684e0915e949c2a8de0f592fdd0c299023c7027a43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96a547de80d45c86739d6a684e0915e949c2a8de0f592fdd0c299023c7027a43", kill_on_drop: false }`
[INFO] [stdout] 96a547de80d45c86739d6a684e0915e949c2a8de0f592fdd0c299023c7027a43
[INFO] checking kira-bruneau/piomux against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkira-bruneau%2Fpiomux" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kira-bruneau/piomux on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kira-bruneau/piomux
[INFO] finished tweaking git repo https://github.com/kira-bruneau/piomux
[INFO] tweaked toml for git repo https://github.com/kira-bruneau/piomux written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/kira-bruneau/piomux 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5b334bfdb0f09ccf3737322b197d03a61ccf39dd3dfe8e429801c603a114547
[INFO] running `Command { std: "docker" "start" "-a" "a5b334bfdb0f09ccf3737322b197d03a61ccf39dd3dfe8e429801c603a114547", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5b334bfdb0f09ccf3737322b197d03a61ccf39dd3dfe8e429801c603a114547", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5b334bfdb0f09ccf3737322b197d03a61ccf39dd3dfe8e429801c603a114547", kill_on_drop: false }`
[INFO] [stdout] a5b334bfdb0f09ccf3737322b197d03a61ccf39dd3dfe8e429801c603a114547
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f6b1be40338259aac817ecfd5c0f3378c3d0a92f98e99fcbcc9cde13e8fb961
[INFO] running `Command { std: "docker" "start" "-a" "7f6b1be40338259aac817ecfd5c0f3378c3d0a92f98e99fcbcc9cde13e8fb961", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling syn v1.0.77
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]    Compiling tokio v1.12.0
[INFO] [stderr]     Checking ringbuf v0.2.6
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]     Checking piomux v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `is_full` is never used
[INFO] [stdout]   --> src/ring_buffer.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl<T, const CAPACITY: usize> RingBuffer<T, CAPACITY> {
[INFO] [stdout]    | ------------------------------------------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn is_full(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_full` is never used
[INFO] [stdout]   --> src/ring_buffer.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl<T, const CAPACITY: usize> RingBuffer<T, CAPACITY> {
[INFO] [stdout]    | ------------------------------------------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn is_full(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.00s
[INFO] running `Command { std: "docker" "inspect" "7f6b1be40338259aac817ecfd5c0f3378c3d0a92f98e99fcbcc9cde13e8fb961", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f6b1be40338259aac817ecfd5c0f3378c3d0a92f98e99fcbcc9cde13e8fb961", kill_on_drop: false }`
[INFO] [stdout] 7f6b1be40338259aac817ecfd5c0f3378c3d0a92f98e99fcbcc9cde13e8fb961