[INFO] fetching crate tari_broadcast_channel 0.3.0...
[INFO] checking tari_broadcast_channel-0.3.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate tari_broadcast_channel 0.3.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate tari_broadcast_channel 0.3.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0-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-0-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded criterion-plot v0.4.1
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[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 524822250ba07a53384b58c9fcdb506e1a5ebee1f2afbfd998d7fdcc14df25a1
[INFO] running `Command { std: "docker" "start" "-a" "524822250ba07a53384b58c9fcdb506e1a5ebee1f2afbfd998d7fdcc14df25a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "524822250ba07a53384b58c9fcdb506e1a5ebee1f2afbfd998d7fdcc14df25a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "524822250ba07a53384b58c9fcdb506e1a5ebee1f2afbfd998d7fdcc14df25a1", kill_on_drop: false }`
[INFO] [stdout] 524822250ba07a53384b58c9fcdb506e1a5ebee1f2afbfd998d7fdcc14df25a1
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32cb46ec2b9cb67e5c512170c4914fce97d367fb2d548479ce7000b6cca03a56
[INFO] running `Command { std: "docker" "start" "-a" "32cb46ec2b9cb67e5c512170c4914fce97d367fb2d548479ce7000b6cca03a56", kill_on_drop: false }`
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[INFO] [stdout] warning: unused imports: `RecvError`, `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: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> src/channel.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     iter::Iterator,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `RecvError`, `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: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> src/channel.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     iter::Iterator,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.55s
[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 2`
[INFO] running `Command { std: "docker" "inspect" "32cb46ec2b9cb67e5c512170c4914fce97d367fb2d548479ce7000b6cca03a56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32cb46ec2b9cb67e5c512170c4914fce97d367fb2d548479ce7000b6cca03a56", kill_on_drop: false }`
[INFO] [stdout] 32cb46ec2b9cb67e5c512170c4914fce97d367fb2d548479ce7000b6cca03a56