[INFO] fetching crate io-engine 0.4.1... [INFO] testing io-engine-0.4.1 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237 [INFO] extracting crate io-engine 0.4.1 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate io-engine 0.4.1 [INFO] finished tweaking crates.io crate io-engine 0.4.1 [INFO] tweaked toml for crates.io crate io-engine 0.4.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate io-engine 0.4.1 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate io-engine 0.4.1 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded atomic-waitgroup v0.1.3 [INFO] [stderr] Downloaded captains-log v0.3.2 [INFO] [stderr] Downloaded captains-log-helper v0.1.0 [INFO] [stderr] Downloaded io-engine-aio-bindings v0.1.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2641de65cba16faab127a54596c0e61902c6aac372191480a0e34d62b442515a [INFO] running `Command { std: "docker" "start" "-a" "2641de65cba16faab127a54596c0e61902c6aac372191480a0e34d62b442515a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2641de65cba16faab127a54596c0e61902c6aac372191480a0e34d62b442515a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2641de65cba16faab127a54596c0e61902c6aac372191480a0e34d62b442515a", kill_on_drop: false }` [INFO] [stdout] 2641de65cba16faab127a54596c0e61902c6aac372191480a0e34d62b442515a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8fc078ab4191cca864bfb4e31650837537f43bae21a40715db6f2c5248fbfc39 [INFO] running `Command { std: "docker" "start" "-a" "8fc078ab4191cca864bfb4e31650837537f43bae21a40715db6f2c5248fbfc39", kill_on_drop: false }` [INFO] [stderr] Compiling prettyplease v0.2.34 [INFO] [stderr] Compiling regex-syntax v0.8.5 [INFO] [stderr] Compiling clang-sys v1.8.1 [INFO] [stderr] Compiling nom v7.1.3 [INFO] [stderr] Compiling libloading v0.8.8 [INFO] [stderr] Compiling bindgen v0.72.0 [INFO] [stderr] Compiling getrandom v0.2.16 [INFO] [stderr] Compiling rustc-hash v2.1.1 [INFO] [stderr] Compiling getrandom v0.3.3 [INFO] [stderr] Compiling darling_core v0.10.2 [INFO] [stderr] Compiling parking_lot_core v0.6.3 [INFO] [stderr] Compiling cc v1.2.27 [INFO] [stderr] Compiling signal-hook v0.3.18 [INFO] [stderr] Compiling parking_lot_core v0.9.11 [INFO] [stderr] Compiling regex-automata v0.4.9 [INFO] [stderr] Compiling nix v0.30.1 [INFO] [stderr] Compiling log v0.4.27 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rand_core v0.9.3 [INFO] [stderr] Compiling object v0.36.7 [INFO] [stderr] Compiling smallvec v0.6.14 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling parking_lot v0.12.4 [INFO] [stderr] Compiling rand_chacha v0.9.0 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling enum_dispatch v0.3.13 [INFO] [stderr] Compiling lock_api v0.3.4 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling exitcode v1.1.2 [INFO] [stderr] Compiling rand v0.9.1 [INFO] [stderr] Compiling fail v0.5.1 [INFO] [stderr] Compiling lz4-sys v1.11.1+lz4-1.10.0 [INFO] [stderr] Compiling darling_macro v0.10.2 [INFO] [stderr] Compiling cexpr v0.6.0 [INFO] [stderr] Compiling darling v0.10.2 [INFO] [stderr] Compiling captains-log-helper v0.1.0 [INFO] [stderr] Compiling regex v1.11.1 [INFO] [stderr] Compiling backtrace v0.3.75 [INFO] [stderr] Compiling captains-log v0.3.2 [INFO] [stderr] Compiling io-engine-aio-bindings v0.1.4 [INFO] [stderr] Compiling io-engine v0.4.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.92s [INFO] running `Command { std: "docker" "inspect" "8fc078ab4191cca864bfb4e31650837537f43bae21a40715db6f2c5248fbfc39", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8fc078ab4191cca864bfb4e31650837537f43bae21a40715db6f2c5248fbfc39", kill_on_drop: false }` [INFO] [stdout] 8fc078ab4191cca864bfb4e31650837537f43bae21a40715db6f2c5248fbfc39 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5bcf56f3c12d33a888a167b6ead8c8527319dcf154c664459e5181b1f4000b1c [INFO] running `Command { std: "docker" "start" "-a" "5bcf56f3c12d33a888a167b6ead8c8527319dcf154c664459e5181b1f4000b1c", kill_on_drop: false }` [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling atomic-waitgroup v0.1.3 [INFO] [stderr] Compiling md5 v0.7.0 [INFO] [stderr] Compiling tokio v1.45.1 [INFO] [stderr] Compiling io-engine v0.4.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 5.78s [INFO] running `Command { std: "docker" "inspect" "5bcf56f3c12d33a888a167b6ead8c8527319dcf154c664459e5181b1f4000b1c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5bcf56f3c12d33a888a167b6ead8c8527319dcf154c664459e5181b1f4000b1c", kill_on_drop: false }` [INFO] [stdout] 5bcf56f3c12d33a888a167b6ead8c8527319dcf154c664459e5181b1f4000b1c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 65d72c495699df7ca9180f0417c4169a0094fdd4c97d928f6002f84c408153e1 [INFO] running `Command { std: "docker" "start" "-a" "65d72c495699df7ca9180f0417c4169a0094fdd4c97d928f6002f84c408153e1", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/io_engine-e201de0b44e7aedb) [INFO] [stdout] [INFO] [stdout] running 24 tests [INFO] [stdout] test buffer::test::test_buf_convertion ... ok [INFO] [stdout] test buffer::test::test_c_ref_clone_and_drop ... ok [INFO] [stdout] test buffer::test::test_set_zero ... ok [INFO] [stdout] test buffer::utils::tests::test_rand_buffer ... ok [INFO] [stdout] test buffer::test::test_c_ref_const ... ok [INFO] [stdout] test buffer::test::test_set_len ... ok [INFO] [stdout] test buffer::utils::tests::test_safe_copy ... ok [INFO] [stdout] test buffer::utils::tests::test_set_zero ... ok [INFO] [stdout] test scheduler::embedded_list::tests::list_pop_back ... ok [INFO] [stdout] test scheduler::embedded_list::tests::list_iter ... ok [INFO] [stdout] test buffer::test::test_copy_and_clean ... ok [INFO] [stdout] test scheduler::embedded_list::tests::list_push_back ... ok [INFO] [stdout] test scheduler::embedded_list::tests::list_pop_front ... ok [INFO] [stdout] test scheduler::embedded_list::tests::list_push_front ... ok [INFO] [stdout] test scheduler::embedded_list::tests::list_remove_node ... ok [INFO] [stdout] test scheduler::embedded_list::tests::push_back_pop_back_one ... ok [INFO] [stdout] test scheduler::embedded_list::tests::push_back_pop_front_one ... ok [INFO] [stdout] test scheduler::embedded_list::tests::push_front_pop_back_one ... ok [INFO] [stdout] test scheduler::embedded_list::tests::push_front_pop_front_one ... ok [INFO] [stdout] test test::test_task::test_ioevent ... ok [INFO] [stdout] test buffer::test::test_c_ref_mutability - should panic ... ok [INFO] [stderr] [2025-09-11 06:17:52.062946][DEBUG][mod.rs:36] make_temp_file test-aio-17278678390127859470.dat [INFO] [stderr] [2025-09-11 06:17:52.062525][DEBUG][mod.rs:36] make_temp_file test-aio-11127866627441116709.dat [INFO] [stdout] test buffer::test::test_buffer_alloc ... ok [INFO] [stderr] [2025-09-11 06:17:54.284227][ERROR][context.rs:85] drop [INFO] [stderr] [2025-09-11 06:17:54.284563][INFO][mod.rs:21] deleted /tmp/test-aio-17278678390127859470.dat [INFO] [stderr] [2025-09-11 06:17:54.284410][INFO][context.rs:265] io_submit worker exit due to closing [INFO] [stdout] test test::test_merge::test_merged_submit ... ok [INFO] [stderr] [2025-09-11 06:17:55.246315][ERROR][context.rs:85] drop [INFO] [stderr] [2025-09-11 06:17:55.246555][INFO][mod.rs:21] deleted /tmp/test-aio-11127866627441116709.dat [INFO] [stdout] test test::test_context::test_read_write ... ok [INFO] [stderr] [2025-09-11 06:17:55.246540][INFO][context.rs:265] io_submit worker exit due to closing [INFO] [stdout] [INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.25s [INFO] [stdout] [INFO] [stderr] Doc-tests io_engine [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" "65d72c495699df7ca9180f0417c4169a0094fdd4c97d928f6002f84c408153e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "65d72c495699df7ca9180f0417c4169a0094fdd4c97d928f6002f84c408153e1", kill_on_drop: false }` [INFO] [stdout] 65d72c495699df7ca9180f0417c4169a0094fdd4c97d928f6002f84c408153e1