[INFO] fetching crate mem-isolate 0.1.6... [INFO] testing mem-isolate-0.1.6 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate mem-isolate 0.1.6 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate mem-isolate 0.1.6 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate mem-isolate 0.1.6 [INFO] tweaked toml for crates.io crate mem-isolate 0.1.6 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate mem-isolate 0.1.6 on toolchain beta-2025-10-28 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate mem-isolate 0.1.6 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 350bd1e872bd6b29a570db5eb5beb0ac7959a901b1f9795067963e60f09c9d5a [INFO] running `Command { std: "docker" "start" "-a" "350bd1e872bd6b29a570db5eb5beb0ac7959a901b1f9795067963e60f09c9d5a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "350bd1e872bd6b29a570db5eb5beb0ac7959a901b1f9795067963e60f09c9d5a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "350bd1e872bd6b29a570db5eb5beb0ac7959a901b1f9795067963e60f09c9d5a", kill_on_drop: false }` [INFO] [stdout] 350bd1e872bd6b29a570db5eb5beb0ac7959a901b1f9795067963e60f09c9d5a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3632a50d5ef33ec1ab3b8a23109bc788a96cba6eb7826a608c19928c78f79a26 [INFO] running `Command { std: "docker" "start" "-a" "3632a50d5ef33ec1ab3b8a23109bc788a96cba6eb7826a608c19928c78f79a26", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.94 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling syn v2.0.100 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling thiserror-impl v2.0.12 [INFO] [stderr] Compiling thiserror v2.0.12 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling bincode v1.3.3 [INFO] [stderr] Compiling mem-isolate v0.1.6 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.90s [INFO] running `Command { std: "docker" "inspect" "3632a50d5ef33ec1ab3b8a23109bc788a96cba6eb7826a608c19928c78f79a26", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3632a50d5ef33ec1ab3b8a23109bc788a96cba6eb7826a608c19928c78f79a26", kill_on_drop: false }` [INFO] [stdout] 3632a50d5ef33ec1ab3b8a23109bc788a96cba6eb7826a608c19928c78f79a26 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0a36618ce9a5015a50be7253c2154002d36ab3a98ec2cb5cd15af1ab1d0285e4 [INFO] running `Command { std: "docker" "start" "-a" "0a36618ce9a5015a50be7253c2154002d36ab3a98ec2cb5cd15af1ab1d0285e4", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.171 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling getrandom v0.3.2 [INFO] [stderr] Compiling zerocopy v0.8.24 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling syn v2.0.100 [INFO] [stderr] Compiling aho-corasick v1.1.3 [INFO] [stderr] Compiling regex-syntax v0.8.5 [INFO] [stderr] Compiling rstest_macros v0.25.0 [INFO] [stderr] Compiling half v2.5.0 [INFO] [stderr] Compiling tracing-core v0.1.33 [INFO] [stderr] Compiling ciborium-io v0.2.2 [INFO] [stderr] Compiling rustix v1.0.5 [INFO] [stderr] Compiling regex-syntax v0.6.29 [INFO] [stderr] Compiling plotters-backend v0.3.7 [INFO] [stderr] Compiling plotters-svg v0.3.7 [INFO] [stderr] Compiling regex-automata v0.4.9 [INFO] [stderr] Compiling rand_core v0.9.3 [INFO] [stderr] Compiling regex-automata v0.1.10 [INFO] [stderr] Compiling ppv-lite86 v0.2.21 [INFO] [stderr] Compiling clap_builder v4.5.35 [INFO] [stderr] Compiling nix v0.29.0 [INFO] [stderr] Compiling ciborium-ll v0.2.2 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Compiling overload v0.1.1 [INFO] [stderr] Compiling relative-path v1.9.3 [INFO] [stderr] Compiling regex v1.11.1 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling dtor-proc-macro v0.0.5 [INFO] [stderr] Compiling cast v0.3.0 [INFO] [stderr] Compiling tracing v0.1.41 [INFO] [stderr] Compiling criterion-plot v0.5.0 [INFO] [stderr] Compiling dtor v0.0.5 [INFO] [stderr] Compiling tracing-log v0.2.0 [INFO] [stderr] Compiling plotters v0.3.7 [INFO] [stderr] Compiling walkdir v2.5.0 [INFO] [stderr] Compiling clap v4.5.35 [INFO] [stderr] Compiling rayon v1.10.0 [INFO] [stderr] Compiling nu-ansi-term v0.46.0 [INFO] [stderr] Compiling sharded-slab v0.1.7 [INFO] [stderr] Compiling matchers v0.1.0 [INFO] [stderr] Compiling rand_chacha v0.9.0 [INFO] [stderr] Compiling is-terminal v0.4.16 [INFO] [stderr] Compiling thread_local v1.1.8 [INFO] [stderr] Compiling smallvec v1.15.0 [INFO] [stderr] Compiling ctor-proc-macro v0.0.5 [INFO] [stderr] Compiling oorandom v11.1.5 [INFO] [stderr] Compiling anes v0.1.6 [INFO] [stderr] Compiling rand v0.9.0 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling thiserror-impl v2.0.12 [INFO] [stderr] Compiling ctor v0.4.1 [INFO] [stderr] Compiling tracing-subscriber v0.3.19 [INFO] [stderr] Compiling tempfile v3.19.1 [INFO] [stderr] Compiling thiserror v2.0.12 [INFO] [stderr] Compiling rstest v0.25.0 [INFO] [stderr] Compiling serde_json v1.0.140 [INFO] [stderr] Compiling ciborium v0.2.2 [INFO] [stderr] Compiling bincode v1.3.3 [INFO] [stderr] Compiling mem-isolate v0.1.6 (/opt/rustwide/workdir) [INFO] [stderr] Compiling tinytemplate v1.2.1 [INFO] [stderr] Compiling criterion v0.5.1 [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1m 20s [INFO] running `Command { std: "docker" "inspect" "0a36618ce9a5015a50be7253c2154002d36ab3a98ec2cb5cd15af1ab1d0285e4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0a36618ce9a5015a50be7253c2154002d36ab3a98ec2cb5cd15af1ab1d0285e4", kill_on_drop: false }` [INFO] [stdout] 0a36618ce9a5015a50be7253c2154002d36ab3a98ec2cb5cd15af1ab1d0285e4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 143d14d3de0125ac6cc526f4d630322a9c233c2bc6ddae45b80efb3d2ba2d435 [INFO] running `Command { std: "docker" "start" "-a" "143d14d3de0125ac6cc526f4d630322a9c233c2bc6ddae45b80efb3d2ba2d435", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mem_isolate-40d60b4eb3ff31eb) [INFO] [stdout] [INFO] [stdout] running 36 tests [INFO] [stdout] test c::tests::error_conditions ... ok [INFO] [stdout] test c::tests::fork_mocking ... ok [INFO] [stdout] test c::tests::close_mocking ... ok [INFO] [stdout] test c::tests::mixed_real_and_mock_calls ... ok [INFO] [stdout] test c::tests::non_os_error_handling ... ok [INFO] [stdout] test c::tests::pipe_mocking ... ok [INFO] [stdout] test c::tests::mock_enabling_disabling ... ok [INFO] [stdout] test c::tests::multiple_expectations ... ok [INFO] [stdout] test c::tests::exit_in_mock_context - should panic ... ok [INFO] [stdout] test c::tests::waitpid_mocking ... ok [INFO] [stdout] test c::tests::with_mock_system_helper ... ok [INFO] [stdout] test c::tests::missing_close_expectation - should panic ... ok [INFO] [stdout] test c::tests::missing_fork_expectation - should panic ... ok [INFO] [stdout] test c::tests::missing_waitpid_expectation - should panic ... ok [INFO] [stdout] test tests::fork_error ... ok [INFO] [stdout] test tests::all_function_types ... ok [INFO] [stdout] test tests::empty_result ... ok [INFO] [stdout] test c::tests::stict_mocking_panics_when_no_mock_is_configured - should panic ... ok [INFO] [stdout] test c::tests::missing_pipe_expectation - should panic ... ok [INFO] [stdout] test tests::parent_pipe_close_failure ... ok [INFO] [stdout] test c::tests::strict_mocking_panics_when_no_mock_is_configured_with_system_helper - should panic ... ok [INFO] [stdout] test tests::deserialization_error ... ok [INFO] [stdout] test tests::pipe_error ... ok [INFO] [stdout] test tests::isolate_memory_leak ... ok [INFO] [stdout] test c::tests::strict_mocking_panics_when_no_mock_is_configured_with_system_helper_configured_strict - should panic ... ok [INFO] [stdout] test tests::panic_in_child ... ok [INFO] [stdout] test tests::handle_large_result ... ok [INFO] [stdout] test tests::static_memory_mutation_without_isolation ... ok [INFO] [stdout] test tests::serialization_error ... ok [INFO] [stdout] test tests::static_memory_mutation_with_isolation ... ok [INFO] [stdout] test tests::simple_example ... ok [INFO] [stdout] test tests::waitpid_interrupted_by_signal_mock ... ok [INFO] [stdout] test tests::with_mock_helper ... ok [INFO] [stdout] test tests::waitpid_child_killed_by_signal ... ok [INFO] [stdout] test tests::waitpid_child_killed_by_signal_after_suspension_and_continuation ... ok [INFO] [stdout] test tests::waitpid_child_process_exited_on_its_own ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 36 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.30s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] Running unittests examples/error-handling-basic.rs (/opt/rustwide/target/debug/examples/error_handling_basic-d6d5ce81ef0346a1) [INFO] [stdout] test example_error_handling_basic::execute_main ... ok [INFO] [stderr] Running unittests examples/error-handling-complete.rs (/opt/rustwide/target/debug/examples/error_handling_complete-1046a8d75ada45e4) [INFO] [stdout] [INFO] [stderr] Doc-tests mem_isolate [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test example_error_handling_complete::execute_main ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test src/lib.rs - execute_in_isolated_process (line 226) ... ok [INFO] [stdout] test src/lib.rs - (line 12) ... ok [INFO] [stdout] test src/lib.rs - execute_in_isolated_process (line 189) ... ok [INFO] [stdout] test src/macros.rs - macros (line 6) ... ok [INFO] [stdout] test src/lib.rs - execute_in_isolated_process (line 162) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stdout] all doctests ran in 0.61s; merged doctests compilation took 0.59s [INFO] running `Command { std: "docker" "inspect" "143d14d3de0125ac6cc526f4d630322a9c233c2bc6ddae45b80efb3d2ba2d435", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "143d14d3de0125ac6cc526f4d630322a9c233c2bc6ddae45b80efb3d2ba2d435", kill_on_drop: false }` [INFO] [stdout] 143d14d3de0125ac6cc526f4d630322a9c233c2bc6ddae45b80efb3d2ba2d435