[INFO] cloning repository https://github.com/yonchicy/async-fs-uring
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yonchicy/async-fs-uring" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyonchicy%2Fasync-fs-uring", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyonchicy%2Fasync-fs-uring'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 215a50d71fc23eb35ee8501c0915bc7b2498f746
[INFO] checking yonchicy/async-fs-uring against master#cccf075eba88363269e8589ebb8d40874cc542d8 for pr-142681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyonchicy%2Fasync-fs-uring" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/yonchicy/async-fs-uring
[INFO] finished tweaking git repo https://github.com/yonchicy/async-fs-uring
[INFO] tweaked toml for git repo https://github.com/yonchicy/async-fs-uring written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/yonchicy/async-fs-uring on toolchain cccf075eba88363269e8589ebb8d40874cc542d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cccf075eba88363269e8589ebb8d40874cc542d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/yonchicy/async-fs-uring 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" "+cccf075eba88363269e8589ebb8d40874cc542d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+cccf075eba88363269e8589ebb8d40874cc542d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a46a527d308db18451e90d4841166a7dc1bd51b3b55582e5e315695a95272d4
[INFO] running `Command { std: "docker" "start" "-a" "8a46a527d308db18451e90d4841166a7dc1bd51b3b55582e5e315695a95272d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a46a527d308db18451e90d4841166a7dc1bd51b3b55582e5e315695a95272d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a46a527d308db18451e90d4841166a7dc1bd51b3b55582e5e315695a95272d4", kill_on_drop: false }`
[INFO] [stdout] 8a46a527d308db18451e90d4841166a7dc1bd51b3b55582e5e315695a95272d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+cccf075eba88363269e8589ebb8d40874cc542d8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4efa7190206827dd8e500e03786175d2d09500614fbf89fe8d8e8d44e9b699d
[INFO] running `Command { std: "docker" "start" "-a" "f4efa7190206827dd8e500e03786175d2d09500614fbf89fe8d8e8d44e9b699d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling io-uring v0.6.4
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling pin-project-internal v1.1.7
[INFO] [stderr]     Checking pin-project v1.1.7
[INFO] [stderr]     Checking async-fs-uring v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `write_at` is never used
[INFO] [stdout]   --> src/fs/file.rs:18:18
[INFO] [stdout]    |
[INFO] [stdout] 8  | impl File {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub async fn write_at(&self, buf: Vec<u8>, offset: u64) -> BufResult {
[INFO] [stdout]    |                  ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `write_at` is never used
[INFO] [stdout]   --> src/fs/file.rs:18:18
[INFO] [stdout]    |
[INFO] [stdout] 8  | impl File {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub async fn write_at(&self, buf: Vec<u8>, offset: u64) -> BufResult {
[INFO] [stdout]    |                  ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.11s
[INFO] running `Command { std: "docker" "inspect" "f4efa7190206827dd8e500e03786175d2d09500614fbf89fe8d8e8d44e9b699d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4efa7190206827dd8e500e03786175d2d09500614fbf89fe8d8e8d44e9b699d", kill_on_drop: false }`
[INFO] [stdout] f4efa7190206827dd8e500e03786175d2d09500614fbf89fe8d8e8d44e9b699d