[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 against try#db4e1d23234d93b5e96ecc768b35d9090c32cddf for pr-149901
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanpbrewster%2Fio_uring_examples" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/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-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ryanpbrewster/io_uring_examples on toolchain db4e1d23234d93b5e96ecc768b35d9090c32cddf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db4e1d23234d93b5e96ecc768b35d9090c32cddf" "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" "+db4e1d23234d93b5e96ecc768b35d9090c32cddf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded io-uring v0.5.13
[INFO] [stderr]   Downloaded oorandom v11.1.4
[INFO] [stderr]   Downloaded tokio-uring v0.4.0
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[INFO] [stderr]   Downloaded io-uring v0.7.2
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[INFO] [stderr]   Downloaded web-sys v0.3.76
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[INFO] [stderr]   Downloaded tokio v1.42.0
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db4e1d23234d93b5e96ecc768b35d9090c32cddf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9cabb498577eec90f9845595f8fb3f5a624e8edca549942ddcafa4d0eb1fb6ff
[INFO] running `Command { std: "docker" "start" "-a" "9cabb498577eec90f9845595f8fb3f5a624e8edca549942ddcafa4d0eb1fb6ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9cabb498577eec90f9845595f8fb3f5a624e8edca549942ddcafa4d0eb1fb6ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cabb498577eec90f9845595f8fb3f5a624e8edca549942ddcafa4d0eb1fb6ff", kill_on_drop: false }`
[INFO] [stdout] 9cabb498577eec90f9845595f8fb3f5a624e8edca549942ddcafa4d0eb1fb6ff
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db4e1d23234d93b5e96ecc768b35d9090c32cddf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af31bfc4d869a7bddf60d1c61c1e10c37a752b26e955b513c0963f46c67a52d2
[INFO] running `Command { std: "docker" "start" "-a" "af31bfc4d869a7bddf60d1c61c1e10c37a752b26e955b513c0963f46c67a52d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling libc v0.2.168
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking bitflags v2.6.0
[INFO] [stderr]    Compiling rustix v0.38.42
[INFO] [stderr]    Compiling io-uring v0.5.13
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[INFO] [stderr]     Checking bytes v1.9.0
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[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
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[INFO] [stderr]    Compiling serde_derive v1.0.215
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[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
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[INFO] [stderr]     Checking clap v4.5.23
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[INFO] [stderr]     Checking io_uring_examples v0.1.0 (/opt/rustwide/workdir)
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[INFO] [stderr]     Checking tinytemplate v1.2.1
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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 23.52s
[INFO] running `Command { std: "docker" "inspect" "af31bfc4d869a7bddf60d1c61c1e10c37a752b26e955b513c0963f46c67a52d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af31bfc4d869a7bddf60d1c61c1e10c37a752b26e955b513c0963f46c67a52d2", kill_on_drop: false }`
[INFO] [stdout] af31bfc4d869a7bddf60d1c61c1e10c37a752b26e955b513c0963f46c67a52d2