[INFO] fetching crate async-unsync 0.3.0...
[INFO] checking async-unsync-0.3.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate async-unsync 0.3.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate async-unsync 0.3.0
[INFO] finished tweaking crates.io crate async-unsync 0.3.0
[INFO] tweaked toml for crates.io crate async-unsync 0.3.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate async-unsync 0.3.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 32 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8876bb55d29e4a8a5247d60b0ae5656388c3ee4c68af88461937c61e2445a83e
[INFO] running `Command { std: "docker" "start" "-a" "8876bb55d29e4a8a5247d60b0ae5656388c3ee4c68af88461937c61e2445a83e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8876bb55d29e4a8a5247d60b0ae5656388c3ee4c68af88461937c61e2445a83e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8876bb55d29e4a8a5247d60b0ae5656388c3ee4c68af88461937c61e2445a83e", kill_on_drop: false }`
[INFO] [stdout] 8876bb55d29e4a8a5247d60b0ae5656388c3ee4c68af88461937c61e2445a83e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4949ddea84fbfe993f42403fac80912bb2c13de0e1a124b1cdc6c16f068f9998
[INFO] running `Command { std: "docker" "start" "-a" "4949ddea84fbfe993f42403fac80912bb2c13de0e1a124b1cdc6c16f068f9998", kill_on_drop: false }`
[INFO] [stderr]     Checking parking v2.2.1
[INFO] [stderr]     Checking fastrand v2.3.0
[INFO] [stderr]     Checking pin-project-lite v0.2.16
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]     Checking async-unsync v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures-lite v2.6.1
[INFO] [stdout] warning: unused import: `test::Bencher`
[INFO] [stdout]  --> benches/tokio.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use test::Bencher;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/oneshot.rs:436:22
[INFO] [stdout]     |
[INFO] [stdout] 436 |             let (tx, mut rx) = chan.split();
[INFO] [stdout]     |                      ----^^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.26s
[INFO] running `Command { std: "docker" "inspect" "4949ddea84fbfe993f42403fac80912bb2c13de0e1a124b1cdc6c16f068f9998", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4949ddea84fbfe993f42403fac80912bb2c13de0e1a124b1cdc6c16f068f9998", kill_on_drop: false }`
[INFO] [stdout] 4949ddea84fbfe993f42403fac80912bb2c13de0e1a124b1cdc6c16f068f9998