[INFO] fetching crate tari_broadcast_channel 0.3.0...
[INFO] checking tari_broadcast_channel-0.3.0 against master#38352b01ae4af9300be03b805d6db68c45e51068 for pr-129864
[INFO] extracting crate tari_broadcast_channel 0.3.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate tari_broadcast_channel 0.3.0 on toolchain 38352b01ae4af9300be03b805d6db68c45e51068
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5-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-5-tc1/source/Cargo.toml
[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" "+38352b01ae4af9300be03b805d6db68c45e51068" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro-nested v0.1.3
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb972d655df8e2df29849779c7fce62bb825e508a4a44722740db966c59482f5
[INFO] running `Command { std: "docker" "start" "-a" "bb972d655df8e2df29849779c7fce62bb825e508a4a44722740db966c59482f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb972d655df8e2df29849779c7fce62bb825e508a4a44722740db966c59482f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb972d655df8e2df29849779c7fce62bb825e508a4a44722740db966c59482f5", kill_on_drop: false }`
[INFO] [stdout] bb972d655df8e2df29849779c7fce62bb825e508a4a44722740db966c59482f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 442d914f4ab277d937d9a347fa7eccbd7d496a71745b45fd49f14c3528c7374d
[INFO] running `Command { std: "docker" "start" "-a" "442d914f4ab277d937d9a347fa7eccbd7d496a71745b45fd49f14c3528c7374d", kill_on_drop: false }`
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[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.16
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[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]     Checking futures-sink v0.3.4
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]    Compiling cast v0.2.3
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[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
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[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking criterion v0.3.1
[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)]` 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 24.37s
[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 3`
[INFO] running `Command { std: "docker" "inspect" "442d914f4ab277d937d9a347fa7eccbd7d496a71745b45fd49f14c3528c7374d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "442d914f4ab277d937d9a347fa7eccbd7d496a71745b45fd49f14c3528c7374d", kill_on_drop: false }`
[INFO] [stdout] 442d914f4ab277d937d9a347fa7eccbd7d496a71745b45fd49f14c3528c7374d