[INFO] fetching crate tari_broadcast_channel 0.3.0...
[INFO] checking tari_broadcast_channel-0.3.0 against db8f076d2619ce2585b0380dda06e8da25a40da4 for pr-163699
[INFO] extracting crate tari_broadcast_channel 0.3.0 into /workspace/builds/worker-2-tc1/source
[INFO] removed /workspace/builds/worker-2-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate tari_broadcast_channel 0.3.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate tari_broadcast_channel 0.3.0
[INFO] tweaked toml for crates.io crate tari_broadcast_channel 0.3.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tari_broadcast_channel 0.3.0 on toolchain db8f076d2619ce2585b0380dda06e8da25a40da4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db8f076d2619ce2585b0380dda06e8da25a40da4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tari_broadcast_channel 0.3.0 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" "+db8f076d2619ce2585b0380dda06e8da25a40da4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hermit-abi v0.1.8
[INFO] [stderr]   Downloaded once_cell v1.12.0
[INFO] [stderr]   Downloaded oorandom v11.1.0
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[INFO] [stderr]   Downloaded criterion-plot v0.4.1
[INFO] [stderr]   Downloaded criterion v0.3.1
[INFO] [stderr]   Downloaded serde_json v1.0.48
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[INFO] [stderr]   Downloaded syn v1.0.16
[INFO] [stderr]   Downloaded regex v1.3.4
[INFO] [stderr]   Downloaded regex-syntax v0.6.15
[INFO] [stderr]   Downloaded bstr v0.2.11
[INFO] [stderr]   Downloaded tokio v1.19.2
[INFO] [stderr]   Downloaded plotters v0.2.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 98840c68e8a7e24601f97caf39d14c7dd033d8cb801b9569e0b54f0254fc99c2
[INFO] running `Command { std: "docker" "start" "98840c68e8a7e24601f97caf39d14c7dd033d8cb801b9569e0b54f0254fc99c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98840c68e8a7e24601f97caf39d14c7dd033d8cb801b9569e0b54f0254fc99c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "98840c68e8a7e24601f97caf39d14c7dd033d8cb801b9569e0b54f0254fc99c2" "/opt/rustwide/cargo-home/bin/cargo" "+db8f076d2619ce2585b0380dda06e8da25a40da4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98840c68e8a7e24601f97caf39d14c7dd033d8cb801b9569e0b54f0254fc99c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "98840c68e8a7e24601f97caf39d14c7dd033d8cb801b9569e0b54f0254fc99c2" "/opt/rustwide/cargo-home/bin/cargo" "+db8f076d2619ce2585b0380dda06e8da25a40da4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
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[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
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[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking regex-syntax v0.6.15
[INFO] [stderr]     Checking criterion-plot v0.4.1
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[INFO] [stderr]     Checking oorandom v11.1.0
[INFO] [stderr]     Checking once_cell v1.12.0
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[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking tokio v1.19.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
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[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking criterion v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking tari_broadcast_channel v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `RecvError` and `RecvTimeoutError`
[INFO] [stdout]  --> src/channel.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use std::sync::mpsc::{RecvError, RecvTimeoutError, SendError, TryRecvError};
[INFO] [stdout]   |                           ^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `RecvError` and `RecvTimeoutError`
[INFO] [stdout]  --> src/channel.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use std::sync::mpsc::{RecvError, RecvTimeoutError, SendError, TryRecvError};
[INFO] [stdout]   |                           ^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.25s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 13`
[INFO] running `Command { std: "docker" "inspect" "98840c68e8a7e24601f97caf39d14c7dd033d8cb801b9569e0b54f0254fc99c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98840c68e8a7e24601f97caf39d14c7dd033d8cb801b9569e0b54f0254fc99c2", kill_on_drop: false }`
[INFO] [stdout] 98840c68e8a7e24601f97caf39d14c7dd033d8cb801b9569e0b54f0254fc99c2