[INFO] fetching crate replay-channel 0.1.12...
[INFO] building replay-channel-0.1.12 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate replay-channel 0.1.12 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate replay-channel 0.1.12
[INFO] finished tweaking crates.io crate replay-channel 0.1.12
[INFO] tweaked toml for crates.io crate replay-channel 0.1.12 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate replay-channel 0.1.12 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 44 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b87bf78cb49662d9938cf4697aec481b4d5da76896f1a579bd3eb4526274771
[INFO] running `Command { std: "docker" "start" "-a" "8b87bf78cb49662d9938cf4697aec481b4d5da76896f1a579bd3eb4526274771", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b87bf78cb49662d9938cf4697aec481b4d5da76896f1a579bd3eb4526274771", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b87bf78cb49662d9938cf4697aec481b4d5da76896f1a579bd3eb4526274771", kill_on_drop: false }`
[INFO] [stdout] 8b87bf78cb49662d9938cf4697aec481b4d5da76896f1a579bd3eb4526274771
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de2884ac7188dcb638f5e03ba250de86c3fbec2d92f486fa423b848f7bdd3102
[INFO] running `Command { std: "docker" "start" "-a" "de2884ac7188dcb638f5e03ba250de86c3fbec2d92f486fa423b848f7bdd3102", kill_on_drop: false }`
[INFO] [stderr]    Compiling append-only-vec v0.1.7
[INFO] [stderr]    Compiling replay-channel v0.1.12 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Ordering::Relaxed`
[INFO] [stdout]  --> src/receiver.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use Ordering::Relaxed;
[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 import: `parking_lot::RwLock`
[INFO] [stdout]  --> src/receiver.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use parking_lot::RwLock;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SeqCst`
[INFO] [stdout]  --> src/receiver.rs:6:52
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::sync::atomic::Ordering::{AcqRel, Acquire, SeqCst};
[INFO] [stdout]   |                                                    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "de2884ac7188dcb638f5e03ba250de86c3fbec2d92f486fa423b848f7bdd3102", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de2884ac7188dcb638f5e03ba250de86c3fbec2d92f486fa423b848f7bdd3102", kill_on_drop: false }`
[INFO] [stdout] de2884ac7188dcb638f5e03ba250de86c3fbec2d92f486fa423b848f7bdd3102
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 588443380c71158af6b8d51cfa12f8a2dccd15f779c94c7f963bd2bc9e50bbc0
[INFO] running `Command { std: "docker" "start" "-a" "588443380c71158af6b8d51cfa12f8a2dccd15f779c94c7f963bd2bc9e50bbc0", kill_on_drop: false }`
[INFO] [stderr]    Compiling replay-channel v0.1.12 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Ordering::Relaxed`
[INFO] [stdout]  --> src/receiver.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use Ordering::Relaxed;
[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 import: `parking_lot::RwLock`
[INFO] [stdout]  --> src/receiver.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use parking_lot::RwLock;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SeqCst`
[INFO] [stdout]  --> src/receiver.rs:6:52
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::sync::atomic::Ordering::{AcqRel, Acquire, SeqCst};
[INFO] [stdout]   |                                                    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Ordering::Relaxed`
[INFO] [stdout]  --> src/receiver.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use Ordering::Relaxed;
[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 import: `parking_lot::RwLock`
[INFO] [stdout]  --> src/receiver.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use parking_lot::RwLock;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SeqCst`
[INFO] [stdout]  --> src/receiver.rs:6:52
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::sync::atomic::Ordering::{AcqRel, Acquire, SeqCst};
[INFO] [stdout]   |                                                    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 |         let mut receiver = channel.receiver();
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:169:13
[INFO] [stdout]     |
[INFO] [stdout] 169 |         let mut receiver = channel.receiver();
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:139:13
[INFO] [stdout]     |
[INFO] [stdout] 139 |         let mut receiver = channel.receiver();
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:154:13
[INFO] [stdout]     |
[INFO] [stdout] 154 |         let mut receiver = channel.receiver();
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:118:13
[INFO] [stdout]     |
[INFO] [stdout] 118 |         let mut receiver1 = channel.receiver();
[INFO] [stdout]     |             ----^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:119:13
[INFO] [stdout]     |
[INFO] [stdout] 119 |         let mut receiver2 = channel.receiver();
[INFO] [stdout]     |             ----^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "588443380c71158af6b8d51cfa12f8a2dccd15f779c94c7f963bd2bc9e50bbc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "588443380c71158af6b8d51cfa12f8a2dccd15f779c94c7f963bd2bc9e50bbc0", kill_on_drop: false }`
[INFO] [stdout] 588443380c71158af6b8d51cfa12f8a2dccd15f779c94c7f963bd2bc9e50bbc0
