[INFO] fetching crate asyncio-utils 0.4.4...
[INFO] checking asyncio-utils-0.4.4 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate asyncio-utils 0.4.4 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate asyncio-utils 0.4.4
[INFO] finished tweaking crates.io crate asyncio-utils 0.4.4
[INFO] tweaked toml for crates.io crate asyncio-utils 0.4.4 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate asyncio-utils 0.4.4 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 42 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 083a7a0e4e0eb3318d0515b0281acf32b5ac2c57e8506501719ed5c0d316a040
[INFO] running `Command { std: "docker" "start" "-a" "083a7a0e4e0eb3318d0515b0281acf32b5ac2c57e8506501719ed5c0d316a040", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "083a7a0e4e0eb3318d0515b0281acf32b5ac2c57e8506501719ed5c0d316a040", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "083a7a0e4e0eb3318d0515b0281acf32b5ac2c57e8506501719ed5c0d316a040", kill_on_drop: false }`
[INFO] [stdout] 083a7a0e4e0eb3318d0515b0281acf32b5ac2c57e8506501719ed5c0d316a040
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e7a6f19e0f1b08fadacb69f1835585422e8f0d24720c4b202ad39ecbaf28626
[INFO] running `Command { std: "docker" "start" "-a" "9e7a6f19e0f1b08fadacb69f1835585422e8f0d24720c4b202ad39ecbaf28626", kill_on_drop: false }`
[INFO] [stderr]     Checking parking_lot_core v0.9.11
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]     Checking tokio v1.47.1
[INFO] [stderr]     Checking asyncio-utils v0.4.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `AsyncSeekExt`
[INFO] [stdout]  --> src/lib.rs:1:49
[INFO] [stdout]   |
[INFO] [stdout] 1 | use tokio::io::{AsyncRead, AsyncSeek, SeekFrom, AsyncSeekExt, AsyncReadExt, AsyncWriteExt};
[INFO] [stdout]   |                                                 ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsyncReadExt`
[INFO] [stdout]  --> src/lib.rs:1:63
[INFO] [stdout]   |
[INFO] [stdout] 1 | use tokio::io::{AsyncRead, AsyncSeek, SeekFrom, AsyncSeekExt, AsyncReadExt, AsyncWriteExt};
[INFO] [stdout]   |                                                               ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsyncWriteExt`
[INFO] [stdout]  --> src/lib.rs:1:77
[INFO] [stdout]   |
[INFO] [stdout] 1 | use tokio::io::{AsyncRead, AsyncSeek, SeekFrom, AsyncSeekExt, AsyncReadExt, AsyncWriteExt};
[INFO] [stdout]   |                                                                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsyncWriteExt`
[INFO] [stdout]  --> src/lib.rs:1:77
[INFO] [stdout]   |
[INFO] [stdout] 1 | use tokio::io::{AsyncRead, AsyncSeek, SeekFrom, AsyncSeekExt, AsyncReadExt, AsyncWriteExt};
[INFO] [stdout]   |                                                                             ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.01s
[INFO] running `Command { std: "docker" "inspect" "9e7a6f19e0f1b08fadacb69f1835585422e8f0d24720c4b202ad39ecbaf28626", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e7a6f19e0f1b08fadacb69f1835585422e8f0d24720c4b202ad39ecbaf28626", kill_on_drop: false }`
[INFO] [stdout] 9e7a6f19e0f1b08fadacb69f1835585422e8f0d24720c4b202ad39ecbaf28626