[INFO] fetching crate io-engine 0.4.1...
[INFO] testing io-engine-0.4.1 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate io-engine 0.4.1 into /workspace/builds/worker-7-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-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate io-engine 0.4.1 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded captains-log-helper v0.1.0
[INFO] [stderr]   Downloaded exitcode v1.1.2
[INFO] [stderr]   Downloaded enum_dispatch v0.3.13
[INFO] [stderr]   Downloaded captains-log v0.3.2
[INFO] [stderr]   Downloaded parking_lot v0.9.0
[INFO] [stderr]   Downloaded lz4-sys v1.11.1+lz4-1.10.0
[INFO] [stderr]   Downloaded atomic-waitgroup v0.1.3
[INFO] [stderr]   Downloaded fail v0.5.1
[INFO] [stderr]   Downloaded prettyplease v0.2.34
[INFO] [stderr]   Downloaded bindgen v0.72.0
[INFO] [stderr]   Downloaded io-engine-aio-bindings v0.1.4
[INFO] [stderr]   Downloaded parking_lot_core v0.6.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48fa5693ba10fbbea1fb1ed9fac8c4145e8f1d9847c9989bd7d82b6b8c3b7a1a
[INFO] running `Command { std: "docker" "start" "-a" "48fa5693ba10fbbea1fb1ed9fac8c4145e8f1d9847c9989bd7d82b6b8c3b7a1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48fa5693ba10fbbea1fb1ed9fac8c4145e8f1d9847c9989bd7d82b6b8c3b7a1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48fa5693ba10fbbea1fb1ed9fac8c4145e8f1d9847c9989bd7d82b6b8c3b7a1a", kill_on_drop: false }`
[INFO] [stdout] 48fa5693ba10fbbea1fb1ed9fac8c4145e8f1d9847c9989bd7d82b6b8c3b7a1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1bf94c342cd292f4fe94419cf6ffbbb33810f5f31151a55f7d2fc3130a97f3c5
[INFO] running `Command { std: "docker" "start" "-a" "1bf94c342cd292f4fe94419cf6ffbbb33810f5f31151a55f7d2fc3130a97f3c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling glob v0.3.2
[INFO] [stderr]    Compiling prettyplease v0.2.34
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling libloading v0.8.8
[INFO] [stderr]    Compiling bindgen v0.72.0
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling rustc-hash v2.1.1
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling cc v1.2.27
[INFO] [stderr]    Compiling gimli v0.31.1
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.25
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling enum_dispatch v0.3.13
[INFO] [stderr]    Compiling arc-swap v1.7.1
[INFO] [stderr]    Compiling exitcode v1.1.2
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling chrono v0.4.41
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling signal-hook-registry v1.4.5
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling lz4-sys v1.11.1+lz4-1.10.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling addr2line v0.24.2
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rand v0.9.1
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling fail v0.5.1
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling backtrace v0.3.75
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling captains-log-helper v0.1.0
[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 25.49s
[INFO] running `Command { std: "docker" "inspect" "1bf94c342cd292f4fe94419cf6ffbbb33810f5f31151a55f7d2fc3130a97f3c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bf94c342cd292f4fe94419cf6ffbbb33810f5f31151a55f7d2fc3130a97f3c5", kill_on_drop: false }`
[INFO] [stdout] 1bf94c342cd292f4fe94419cf6ffbbb33810f5f31151a55f7d2fc3130a97f3c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e64062aa40e396c4da7713dd9ebbe1d4d6d8b0ae5c02bdfbc4850a0158f4bb1a
[INFO] running `Command { std: "docker" "start" "-a" "e64062aa40e396c4da7713dd9ebbe1d4d6d8b0ae5c02bdfbc4850a0158f4bb1a", 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 5.75s
[INFO] running `Command { std: "docker" "inspect" "e64062aa40e396c4da7713dd9ebbe1d4d6d8b0ae5c02bdfbc4850a0158f4bb1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e64062aa40e396c4da7713dd9ebbe1d4d6d8b0ae5c02bdfbc4850a0158f4bb1a", kill_on_drop: false }`
[INFO] [stdout] e64062aa40e396c4da7713dd9ebbe1d4d6d8b0ae5c02bdfbc4850a0158f4bb1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 18115e24fa13c072f78adfd776638fce8ec6a664748d8801157eb232543179f8
[INFO] running `Command { std: "docker" "start" "-a" "18115e24fa13c072f78adfd776638fce8ec6a664748d8801157eb232543179f8", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[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_const ... ok
[INFO] [stdout] test buffer::utils::tests::test_rand_buffer ... ok
[INFO] [stdout] test buffer::test::test_c_ref_clone_and_drop ... ok
[INFO] [stdout] test buffer::test::test_set_len ... ok
[INFO] [stdout] test buffer::test::test_set_zero ... 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 buffer::utils::tests::test_safe_copy ... ok
[INFO] [stdout] test scheduler::embedded_list::tests::list_pop_front ... ok
[INFO] [stdout] test scheduler::embedded_list::tests::list_push_back ... ok
[INFO] [stdout] test scheduler::embedded_list::tests::push_front_pop_front_one ... ok
[INFO] [stdout] test scheduler::embedded_list::tests::push_back_pop_back_one ... ok
[INFO] [stdout] test scheduler::embedded_list::tests::list_push_front ... ok
[INFO] [stdout] test scheduler::embedded_list::tests::push_front_pop_back_one ... ok
[INFO] [stdout] test test::test_task::test_ioevent ... ok
[INFO] [stdout] test scheduler::embedded_list::tests::list_iter ... ok
[INFO] [stdout] test scheduler::embedded_list::tests::list_remove_node ... ok
[INFO] [stdout] test buffer::test::test_copy_and_clean ... ok
[INFO] [stdout] test scheduler::embedded_list::tests::push_back_pop_front_one ... ok
[INFO] [stdout] test buffer::test::test_c_ref_mutability - should panic ... ok
[INFO] [stderr] [2025-10-02 02:32:29.094850][DEBUG][mod.rs:36] make_temp_file test-aio-4755010939851639559.dat
[INFO] [stderr] [2025-10-02 02:32:29.094625][DEBUG][mod.rs:36] make_temp_file test-aio-178188794777371087.dat
[INFO] [stdout] test buffer::test::test_buffer_alloc ... ok
[INFO] [stderr] [2025-10-02 02:32:31.575343][ERROR][context.rs:85] drop
[INFO] [stderr] [2025-10-02 02:32:31.575502][INFO][context.rs:265] io_submit worker exit due to closing
[INFO] [stdout] test test::test_merge::test_merged_submit ... ok
[INFO] [stderr] [2025-10-02 02:32:31.575699][INFO][mod.rs:21] deleted /tmp/test-aio-178188794777371087.dat
[INFO] [stderr] [2025-10-02 02:32:31.877501][ERROR][context.rs:85] drop
[INFO] [stdout] test test::test_context::test_read_write ... ok
[INFO] [stderr] [2025-10-02 02:32:31.877714][INFO][context.rs:265] io_submit worker exit due to closing
[INFO] [stdout] 
[INFO] [stderr] [2025-10-02 02:32:31.878020][INFO][mod.rs:21] deleted /tmp/test-aio-4755010939851639559.dat
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.88s
[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" "18115e24fa13c072f78adfd776638fce8ec6a664748d8801157eb232543179f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18115e24fa13c072f78adfd776638fce8ec6a664748d8801157eb232543179f8", kill_on_drop: false }`
[INFO] [stdout] 18115e24fa13c072f78adfd776638fce8ec6a664748d8801157eb232543179f8