[INFO] fetching crate asyncio-utils 0.4.4...
[INFO] checking asyncio-utils-0.4.4 against master#90384941aae4ea38de00e4702b50757e9b882a19 for pr-138340
[INFO] extracting crate asyncio-utils 0.4.4 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate asyncio-utils 0.4.4 on toolchain 90384941aae4ea38de00e4702b50757e9b882a19
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+90384941aae4ea38de00e4702b50757e9b882a19" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+90384941aae4ea38de00e4702b50757e9b882a19" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 40 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+90384941aae4ea38de00e4702b50757e9b882a19" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+90384941aae4ea38de00e4702b50757e9b882a19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 459786e37b14fb1189a4a45dca7577eeae86e027e7b364d8549bcd1e8c8ccc9e
[INFO] running `Command { std: "docker" "start" "-a" "459786e37b14fb1189a4a45dca7577eeae86e027e7b364d8549bcd1e8c8ccc9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "459786e37b14fb1189a4a45dca7577eeae86e027e7b364d8549bcd1e8c8ccc9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "459786e37b14fb1189a4a45dca7577eeae86e027e7b364d8549bcd1e8c8ccc9e", kill_on_drop: false }`
[INFO] [stdout] 459786e37b14fb1189a4a45dca7577eeae86e027e7b364d8549bcd1e8c8ccc9e
[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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+90384941aae4ea38de00e4702b50757e9b882a19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7707be54355ffeea537c9a255e5d87ef60a5e96c7bc2f8e0aaebcd267b9dc15a
[INFO] running `Command { std: "docker" "start" "-a" "7707be54355ffeea537c9a255e5d87ef60a5e96c7bc2f8e0aaebcd267b9dc15a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]     Checking smallvec v1.14.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking bytes v1.10.1
[INFO] [stderr]     Checking pin-project-lite v0.2.16
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking mio v1.0.3
[INFO] [stderr]     Checking socket2 v0.5.8
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]     Checking tokio v1.44.0
[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 10.39s
[INFO] running `Command { std: "docker" "inspect" "7707be54355ffeea537c9a255e5d87ef60a5e96c7bc2f8e0aaebcd267b9dc15a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7707be54355ffeea537c9a255e5d87ef60a5e96c7bc2f8e0aaebcd267b9dc15a", kill_on_drop: false }`
[INFO] [stdout] 7707be54355ffeea537c9a255e5d87ef60a5e96c7bc2f8e0aaebcd267b9dc15a