[INFO] fetching crate io-engine 0.4.1...
[INFO] testing io-engine-0.4.1 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[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 c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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]  Downloading crates ...
[INFO] [stderr]   Downloaded rustc-demangle v0.1.25
[INFO] [stderr]   Downloaded android_system_properties v0.1.5
[INFO] [stderr]   Downloaded darling_macro v0.10.2
[INFO] [stderr]   Downloaded windows-strings v0.4.2
[INFO] [stderr]   Downloaded cloudabi v0.0.3
[INFO] [stderr]   Downloaded enum_dispatch v0.3.13
[INFO] [stderr]   Downloaded iana-time-zone v0.1.63
[INFO] [stderr]   Downloaded prettyplease v0.2.34
[INFO] [stderr]   Downloaded bumpalo v3.18.1
[INFO] [stderr]   Downloaded windows-interface v0.59.1
[INFO] [stderr]   Downloaded ident_case v1.0.1
[INFO] [stderr]   Downloaded strsim v0.9.3
[INFO] [stderr]   Downloaded darling_core v0.10.2
[INFO] [stderr]   Downloaded atomic-waitgroup v0.1.3
[INFO] [stderr]   Downloaded clang-sys v1.8.1
[INFO] [stderr]   Downloaded core-foundation-sys v0.8.7
[INFO] [stderr]   Downloaded chrono v0.4.41
[INFO] [stderr]   Downloaded crossbeam v0.8.4
[INFO] [stderr]   Downloaded syn v1.0.109
[INFO] [stderr]   Downloaded fail v0.5.1
[INFO] [stderr]   Downloaded cc v1.2.27
[INFO] [stderr]   Downloaded shlex v1.3.0
[INFO] [stderr]   Downloaded tokio v1.45.1
[INFO] [stderr]   Downloaded captains-log-helper v0.1.0
[INFO] [stderr]   Downloaded glob v0.3.2
[INFO] [stderr]   Downloaded cfg-if v0.1.10
[INFO] [stderr]   Downloaded gimli v0.31.1
[INFO] [stderr]   Downloaded darling v0.10.2
[INFO] [stderr]   Downloaded windows-result v0.3.4
[INFO] [stderr]   Downloaded windows-core v0.61.2
[INFO] [stderr]   Downloaded wasi v0.9.0+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded getrandom v0.1.16
[INFO] [stderr]   Downloaded value-bag v1.11.1
[INFO] [stderr]   Downloaded redox_syscall v0.1.57
[INFO] [stderr]   Downloaded maybe-uninit v2.0.0
[INFO] [stderr]   Downloaded smallvec v0.6.14
[INFO] [stderr]   Downloaded android-tzdata v0.1.1
[INFO] [stderr]   Downloaded windows-implement v0.60.0
[INFO] [stderr]   Downloaded exitcode v1.1.2
[INFO] [stderr]   Downloaded cexpr v0.6.0
[INFO] [stderr]   Downloaded io-engine-aio-bindings v0.1.4
[INFO] [stderr]   Downloaded lz4-sys v1.11.1+lz4-1.10.0
[INFO] [stderr]   Downloaded md5 v0.7.0
[INFO] [stderr]   Downloaded nix v0.30.1
[INFO] [stderr]   Downloaded lock_api v0.3.4
[INFO] [stderr]   Downloaded object v0.36.7
[INFO] [stderr]   Downloaded iana-time-zone-haiku v0.1.2
[INFO] [stderr]   Downloaded bindgen v0.72.0
[INFO] [stderr]   Downloaded syn v2.0.103
[INFO] [stderr]   Downloaded rustversion v1.0.21
[INFO] [stderr]   Downloaded itertools v0.13.0
[INFO] [stderr]   Downloaded parking_lot v0.9.0
[INFO] [stderr]   Downloaded backtrace v0.3.75
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.15
[INFO] [stderr]   Downloaded rand v0.9.1
[INFO] [stderr]   Downloaded addr2line v0.24.2
[INFO] [stderr]   Downloaded redox_syscall v0.5.13
[INFO] [stderr]   Downloaded libloading v0.8.8
[INFO] [stderr]   Downloaded parking_lot_core v0.6.3
[INFO] [stderr]   Downloaded captains-log v0.3.2
[INFO] [stderr]   Downloaded semver-parser v0.7.0
[INFO] [stderr]   Downloaded semver v0.9.0
[INFO] [stderr]   Downloaded rustc_version v0.2.3
[INFO] [stderr]   Downloaded crossbeam-queue v0.3.12
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6dfeb6c916fe9081687ca47342d89b1f8888c4039c5c23f80332d4fe16d5d23
[INFO] running `Command { std: "docker" "start" "-a" "a6dfeb6c916fe9081687ca47342d89b1f8888c4039c5c23f80332d4fe16d5d23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6dfeb6c916fe9081687ca47342d89b1f8888c4039c5c23f80332d4fe16d5d23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6dfeb6c916fe9081687ca47342d89b1f8888c4039c5c23f80332d4fe16d5d23", kill_on_drop: false }`
[INFO] [stdout] a6dfeb6c916fe9081687ca47342d89b1f8888c4039c5c23f80332d4fe16d5d23
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17627a9b27be4fe20808cbaf14ed00c6f1ee866a7cf26f83e14f72c27472d703
[INFO] running `Command { std: "docker" "start" "-a" "17627a9b27be4fe20808cbaf14ed00c6f1ee866a7cf26f83e14f72c27472d703", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling glob v0.3.2
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling prettyplease v0.2.34
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling syn v2.0.103
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling libloading v0.8.8
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling bindgen v0.72.0
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling rustc-hash v2.1.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling cc v1.2.27
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling value-bag v1.11.1
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]    Compiling gimli v0.31.1
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling lz4-sys v1.11.1+lz4-1.10.0
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling addr2line v0.24.2
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling signal-hook-registry v1.4.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling rustc-demangle v0.1.25
[INFO] [stderr]    Compiling iana-time-zone v0.1.63
[INFO] [stderr]    Compiling chrono v0.4.41
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling enum_dispatch v0.3.13
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling captains-log-helper v0.1.0
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling arc-swap v1.7.1
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling exitcode v1.1.2
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling fail v0.5.1
[INFO] [stderr]    Compiling rand v0.9.1
[INFO] [stderr]    Compiling backtrace v0.3.75
[INFO] [stderr]    Compiling io-engine-aio-bindings v0.1.4
[INFO] [stderr]    Compiling captains-log v0.3.2
[INFO] [stderr]    Compiling io-engine v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 31s
[INFO] running `Command { std: "docker" "inspect" "17627a9b27be4fe20808cbaf14ed00c6f1ee866a7cf26f83e14f72c27472d703", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17627a9b27be4fe20808cbaf14ed00c6f1ee866a7cf26f83e14f72c27472d703", kill_on_drop: false }`
[INFO] [stdout] 17627a9b27be4fe20808cbaf14ed00c6f1ee866a7cf26f83e14f72c27472d703
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc9a269c5a3f3372d3b2bd94ecf99e50ae965ef2a7051e0200b19f0571dfe242
[INFO] running `Command { std: "docker" "start" "-a" "dc9a269c5a3f3372d3b2bd94ecf99e50ae965ef2a7051e0200b19f0571dfe242", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[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 7.15s
[INFO] running `Command { std: "docker" "inspect" "dc9a269c5a3f3372d3b2bd94ecf99e50ae965ef2a7051e0200b19f0571dfe242", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc9a269c5a3f3372d3b2bd94ecf99e50ae965ef2a7051e0200b19f0571dfe242", kill_on_drop: false }`
[INFO] [stdout] dc9a269c5a3f3372d3b2bd94ecf99e50ae965ef2a7051e0200b19f0571dfe242
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b1d414c472cf042ec2fc2fd7032e520cb31cba12d7bd905c43d6049eeb249250
[INFO] running `Command { std: "docker" "start" "-a" "b1d414c472cf042ec2fc2fd7032e520cb31cba12d7bd905c43d6049eeb249250", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s
[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_set_len ... ok
[INFO] [stdout] test buffer::test::test_set_zero ... ok
[INFO] [stdout] test buffer::test::test_c_ref_const ... ok
[INFO] [stdout] test buffer::utils::tests::test_safe_copy ... ok
[INFO] [stdout] test buffer::utils::tests::test_set_zero ... ok
[INFO] [stdout] test buffer::test::test_buf_convertion ... ok
[INFO] [stdout] test buffer::utils::tests::test_rand_buffer ... ok
[INFO] [stdout] test scheduler::embedded_list::tests::list_pop_front ... 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 scheduler::embedded_list::tests::list_push_back ... ok
[INFO] [stdout] test buffer::test::test_c_ref_clone_and_drop ... 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_front_pop_back_one ... 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 buffer::test::test_copy_and_clean ... 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] [2025-11-11 11:29:15.668734][DEBUG][mod.rs:36] make_temp_file test-aio-7609884057444491313.dat
[INFO] [stderr] [2025-11-11 11:29:15.668729][DEBUG][mod.rs:36] make_temp_file test-aio-17134297066492416632.dat
[INFO] [stdout] test buffer::test::test_buffer_alloc ... ok
[INFO] [stderr] [2025-11-11 11:29:18.291042][ERROR][context.rs:85] drop
[INFO] [stdout] test test::test_context::test_read_write ... ok
[INFO] [stderr] [2025-11-11 11:29:18.291243][INFO][mod.rs:21] deleted /tmp/test-aio-7609884057444491313.dat
[INFO] [stderr] [2025-11-11 11:29:18.291371][INFO][context.rs:265] io_submit worker exit due to closing
[INFO] [stderr] [2025-11-11 11:29:18.909852][ERROR][context.rs:85] drop
[INFO] [stderr] [2025-11-11 11:29:18.910070][INFO][mod.rs:21] deleted /tmp/test-aio-17134297066492416632.dat
[INFO] [stderr] [2025-11-11 11:29:18.910139][INFO][context.rs:265] io_submit worker exit due to closing
[INFO] [stdout] test test::test_merge::test_merged_submit ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.32s
[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" "b1d414c472cf042ec2fc2fd7032e520cb31cba12d7bd905c43d6049eeb249250", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1d414c472cf042ec2fc2fd7032e520cb31cba12d7bd905c43d6049eeb249250", kill_on_drop: false }`
[INFO] [stdout] b1d414c472cf042ec2fc2fd7032e520cb31cba12d7bd905c43d6049eeb249250