[INFO] fetching crate liburing-rs 0.1.2...
[INFO] checking liburing-rs-0.1.2 against try#24cd45d7714ba43afd4b8e62fb677b069b21c4a5 for pr-129543
[INFO] extracting crate liburing-rs 0.1.2 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate liburing-rs 0.1.2 on toolchain 24cd45d7714ba43afd4b8e62fb677b069b21c4a5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate liburing-rs 0.1.2
[INFO] finished tweaking crates.io crate liburing-rs 0.1.2
[INFO] tweaked toml for crates.io crate liburing-rs 0.1.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate liburing-rs 0.1.2 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" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef026b524705133eff8b2012b2c9bd883f72d4852bbb476c8ac3882cd0f696eb
[INFO] running `Command { std: "docker" "start" "-a" "ef026b524705133eff8b2012b2c9bd883f72d4852bbb476c8ac3882cd0f696eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef026b524705133eff8b2012b2c9bd883f72d4852bbb476c8ac3882cd0f696eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef026b524705133eff8b2012b2c9bd883f72d4852bbb476c8ac3882cd0f696eb", kill_on_drop: false }`
[INFO] [stdout] ef026b524705133eff8b2012b2c9bd883f72d4852bbb476c8ac3882cd0f696eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] afea3ffb060109e0727fe8d078d6361c7ce1a92d51212c2176f2789f04ae52d1
[INFO] running `Command { std: "docker" "start" "-a" "afea3ffb060109e0727fe8d078d6361c7ce1a92d51212c2176f2789f04ae52d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]     Checking bytemuck v1.14.1
[INFO] [stderr]     Checking atomic v0.6.0
[INFO] [stderr]     Checking liburing-rs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `kdropped` and `array` are never read
[INFO] [stdout]   --> src/sq.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub struct SubmitQueue {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 12 |     pub kdropped: &'static mut AtomicU32,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 13 |     pub array: &'static mut [AtomicU32],
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `kdropped` and `array` are never read
[INFO] [stdout]   --> src/sq.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub struct SubmitQueue {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 12 |     pub kdropped: &'static mut AtomicU32,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 13 |     pub array: &'static mut [AtomicU32],
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.76s
[INFO] running `Command { std: "docker" "inspect" "afea3ffb060109e0727fe8d078d6361c7ce1a92d51212c2176f2789f04ae52d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afea3ffb060109e0727fe8d078d6361c7ce1a92d51212c2176f2789f04ae52d1", kill_on_drop: false }`
[INFO] [stdout] afea3ffb060109e0727fe8d078d6361c7ce1a92d51212c2176f2789f04ae52d1