[INFO] cloning repository https://github.com/bits0rcerer/iouring_vs_tokio
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bits0rcerer/iouring_vs_tokio" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbits0rcerer%2Fiouring_vs_tokio", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbits0rcerer%2Fiouring_vs_tokio'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 280af77974d72831bd4dd48fd1d649ba3618ccfc
[INFO] testing bits0rcerer/iouring_vs_tokio against beta-2025-04-13 for beta-1.87-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbits0rcerer%2Fiouring_vs_tokio" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bits0rcerer/iouring_vs_tokio on toolchain beta-2025-04-13
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-04-13" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bits0rcerer/iouring_vs_tokio
[INFO] finished tweaking git repo https://github.com/bits0rcerer/iouring_vs_tokio
[INFO] tweaked toml for git repo https://github.com/bits0rcerer/iouring_vs_tokio written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/bits0rcerer/iouring_vs_tokio 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" "+beta-2025-04-13" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 94a1402d1c481de7f5e4b10a85d933be6efd7a602309bdf8e7cad634ae16017e
[INFO] running `Command { std: "docker" "start" "-a" "94a1402d1c481de7f5e4b10a85d933be6efd7a602309bdf8e7cad634ae16017e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94a1402d1c481de7f5e4b10a85d933be6efd7a602309bdf8e7cad634ae16017e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94a1402d1c481de7f5e4b10a85d933be6efd7a602309bdf8e7cad634ae16017e", kill_on_drop: false }`
[INFO] [stdout] 94a1402d1c481de7f5e4b10a85d933be6efd7a602309bdf8e7cad634ae16017e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4238d7c722d3ed4461fe55a21598c86e693645ddd579722a47fe2be7b45716b2
[INFO] running `Command { std: "docker" "start" "-a" "4238d7c722d3ed4461fe55a21598c86e693645ddd579722a47fe2be7b45716b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling zerocopy v0.8.24
[INFO] [stderr]    Compiling getrandom v0.3.2
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling smallvec v1.14.0
[INFO] [stderr]    Compiling io-uring v0.7.4 (https://github.com/bits0rcerer/io-uring.git?branch=buf-ring#91c14fa8)
[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]    Compiling indenter v0.3.3
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling once_cell v1.21.1
[INFO] [stderr]    Compiling bitflags v2.9.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling socket2 v0.5.8
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.0
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling tokio v1.44.1
[INFO] [stderr]    Compiling iouring_vs_tokio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: renamed to `rng`
[INFO] [stdout]   --> src/bin/tokio_tcp_src.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 |     rand::thread_rng().fill_bytes(&mut data);
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.95s
[INFO] running `Command { std: "docker" "inspect" "4238d7c722d3ed4461fe55a21598c86e693645ddd579722a47fe2be7b45716b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4238d7c722d3ed4461fe55a21598c86e693645ddd579722a47fe2be7b45716b2", kill_on_drop: false }`
[INFO] [stdout] 4238d7c722d3ed4461fe55a21598c86e693645ddd579722a47fe2be7b45716b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be8b6627ce292edb1d92909289784930252972296212a78ca3ef516de0306045
[INFO] running `Command { std: "docker" "start" "-a" "be8b6627ce292edb1d92909289784930252972296212a78ca3ef516de0306045", kill_on_drop: false }`
[INFO] [stderr]    Compiling iouring_vs_tokio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: renamed to `rng`
[INFO] [stdout]   --> src/bin/tokio_tcp_src.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 |     rand::thread_rng().fill_bytes(&mut data);
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "be8b6627ce292edb1d92909289784930252972296212a78ca3ef516de0306045", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be8b6627ce292edb1d92909289784930252972296212a78ca3ef516de0306045", kill_on_drop: false }`
[INFO] [stdout] be8b6627ce292edb1d92909289784930252972296212a78ca3ef516de0306045
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f987067959da7b4c7a6691e7f4690ac31da9a874a520d52744f2d24da58eefd8
[INFO] running `Command { std: "docker" "start" "-a" "f987067959da7b4c7a6691e7f4690ac31da9a874a520d52744f2d24da58eefd8", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated function `rand::thread_rng`: renamed to `rng`
[INFO] [stderr]   --> src/bin/tokio_tcp_src.rs:14:11
[INFO] [stderr]    |
[INFO] [stderr] 14 |     rand::thread_rng().fill_bytes(&mut data);
[INFO] [stderr]    |           ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `iouring_vs_tokio` (bin "tokio_tcp_src" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/bin/iouring_tcp_sink.rs (/opt/rustwide/target/debug/deps/iouring_tcp_sink-50536add67d282dd)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/tokio_tcp_sink.rs (/opt/rustwide/target/debug/deps/tokio_tcp_sink-3156b700290b9e37)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/tokio_tcp_src.rs (/opt/rustwide/target/debug/deps/tokio_tcp_src-33b0dfa56520ce69)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f987067959da7b4c7a6691e7f4690ac31da9a874a520d52744f2d24da58eefd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f987067959da7b4c7a6691e7f4690ac31da9a874a520d52744f2d24da58eefd8", kill_on_drop: false }`
[INFO] [stdout] f987067959da7b4c7a6691e7f4690ac31da9a874a520d52744f2d24da58eefd8