[INFO] cloning repository https://github.com/ryanpbrewster/io_uring_examples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ryanpbrewster/io_uring_examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanpbrewster%2Fio_uring_examples", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanpbrewster%2Fio_uring_examples'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2df88cf69339fc21d7a41cefe7f4fbd85af59f2d
[INFO] checking ryanpbrewster/io_uring_examples/2df88cf69339fc21d7a41cefe7f4fbd85af59f2d against master#9050733395f7c10560d49f549e022f411fa28cea for pr-146972
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanpbrewster%2Fio_uring_examples" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ryanpbrewster/io_uring_examples
[INFO] finished tweaking git repo https://github.com/ryanpbrewster/io_uring_examples
[INFO] tweaked toml for git repo https://github.com/ryanpbrewster/io_uring_examples written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ryanpbrewster/io_uring_examples on toolchain 9050733395f7c10560d49f549e022f411fa28cea
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9050733395f7c10560d49f549e022f411fa28cea" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ryanpbrewster/io_uring_examples 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" "+9050733395f7c10560d49f549e022f411fa28cea" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded io-uring v0.5.13
[INFO] [stderr]   Downloaded tokio-uring v0.4.0
[INFO] [stderr]   Downloaded tempfile v3.14.0
[INFO] [stderr]   Downloaded io-uring v0.7.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+9050733395f7c10560d49f549e022f411fa28cea" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "5acbcc98225e5b434967311445830d006a6018bdda9eccd1ae08c0202cf72fb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5acbcc98225e5b434967311445830d006a6018bdda9eccd1ae08c0202cf72fb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5acbcc98225e5b434967311445830d006a6018bdda9eccd1ae08c0202cf72fb4", kill_on_drop: false }`
[INFO] [stdout] 5acbcc98225e5b434967311445830d006a6018bdda9eccd1ae08c0202cf72fb4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+9050733395f7c10560d49f549e022f411fa28cea" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "14670a45cbe5d1ea0eb9df1d98eba3a04314366b45bb558b0f79f21e3778c216", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.168
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling io-uring v0.5.13
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling rustix v0.38.42
[INFO] [stderr]    Compiling io-uring v0.7.2
[INFO] [stderr]     Checking bytes v1.9.0
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[INFO] [stderr]     Checking once_cell v1.20.2
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[INFO] [stderr]     Checking flate2 v1.0.35
[INFO] [stderr]    Compiling serde v1.0.215
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[INFO] [stderr]     Checking plotters v0.3.7
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[INFO] [stderr]     Checking crossbeam-deque v0.8.5
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[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling clap_derive v4.5.18
[INFO] [stderr]    Compiling serde_derive v1.0.215
[INFO] [stderr]     Checking tokio v1.42.0
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking clap v4.5.23
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[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking tokio-uring v0.4.0
[INFO] [stderr]     Checking io_uring_examples v0.1.0 (/opt/rustwide/workdir)
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[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> benches/random_read_bench.rs:9:17
[INFO] [stdout]   |
[INFO] [stdout] 9 |             let mut r = ReadDb::open(&path).unwrap();
[INFO] [stdout]   |                 ----^
[INFO] [stdout]   |                 |
[INFO] [stdout]   |                 help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.60s
[INFO] running `Command { std: "docker" "inspect" "14670a45cbe5d1ea0eb9df1d98eba3a04314366b45bb558b0f79f21e3778c216", kill_on_drop: false }`
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[INFO] [stdout] 14670a45cbe5d1ea0eb9df1d98eba3a04314366b45bb558b0f79f21e3778c216
