[INFO] fetching crate tokio-uring 0.1.0...
[INFO] checking tokio-uring-0.1.0 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate tokio-uring 0.1.0 into /workspace/builds/worker-117/source
[INFO] validating manifest of crates.io crate tokio-uring 0.1.0 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tokio-uring 0.1.0
[INFO] finished tweaking crates.io crate tokio-uring 0.1.0
[INFO] tweaked toml for crates.io crate tokio-uring 0.1.0 written to /workspace/builds/worker-117/source/Cargo.toml
[INFO] crate crates.io crate tokio-uring 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded io-uring v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c31d59bacbb29445a6fa5f072e543f21b075127820d0c229d92d27622592287
[INFO] running `Command { std: "docker" "start" "-a" "3c31d59bacbb29445a6fa5f072e543f21b075127820d0c229d92d27622592287", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c31d59bacbb29445a6fa5f072e543f21b075127820d0c229d92d27622592287", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c31d59bacbb29445a6fa5f072e543f21b075127820d0c229d92d27622592287", kill_on_drop: false }`
[INFO] [stdout] 3c31d59bacbb29445a6fa5f072e543f21b075127820d0c229d92d27622592287
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e37f2ed8eb22ebd1a86ab4ad81809888f6141868b74a47102b990112fc73279a
[INFO] running `Command { std: "docker" "start" "-a" "e37f2ed8eb22ebd1a86ab4ad81809888f6141868b74a47102b990112fc73279a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.89
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling io-uring v0.5.1
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]    Compiling tokio v1.3.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.2
[INFO] [stderr]     Checking async-stream v0.3.2
[INFO] [stderr]     Checking tokio-stream v0.1.6
[INFO] [stderr]     Checking tokio-uring v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `flags`
[INFO] [stdout]   --> src/driver/op.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub(crate) flags: u32,
[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] [stderr]     Checking tokio-test v0.4.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.05s
[INFO] running `Command { std: "docker" "inspect" "e37f2ed8eb22ebd1a86ab4ad81809888f6141868b74a47102b990112fc73279a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e37f2ed8eb22ebd1a86ab4ad81809888f6141868b74a47102b990112fc73279a", kill_on_drop: false }`
[INFO] [stdout] e37f2ed8eb22ebd1a86ab4ad81809888f6141868b74a47102b990112fc73279a