[INFO] fetching crate close_fds 0.3.2... [INFO] testing close_fds-0.3.2 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate close_fds 0.3.2 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate close_fds 0.3.2 [INFO] finished tweaking crates.io crate close_fds 0.3.2 [INFO] tweaked toml for crates.io crate close_fds 0.3.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate close_fds 0.3.2 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate close_fds 0.3.2 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a5dee7391a92c6fca3bb7213e9f84be1cc62d9024f73d289411f707e2e407050 [INFO] running `Command { std: "docker" "start" "-a" "a5dee7391a92c6fca3bb7213e9f84be1cc62d9024f73d289411f707e2e407050", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a5dee7391a92c6fca3bb7213e9f84be1cc62d9024f73d289411f707e2e407050", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a5dee7391a92c6fca3bb7213e9f84be1cc62d9024f73d289411f707e2e407050", kill_on_drop: false }` [INFO] [stdout] a5dee7391a92c6fca3bb7213e9f84be1cc62d9024f73d289411f707e2e407050 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cc6162243e6023956f953b6d293ef96d108866cc6ce80fa0a305724c920edb4e [INFO] running `Command { std: "docker" "start" "-a" "cc6162243e6023956f953b6d293ef96d108866cc6ce80fa0a305724c920edb4e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.95 [INFO] [stderr] Compiling close_fds v0.3.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.22s [INFO] running `Command { std: "docker" "inspect" "cc6162243e6023956f953b6d293ef96d108866cc6ce80fa0a305724c920edb4e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cc6162243e6023956f953b6d293ef96d108866cc6ce80fa0a305724c920edb4e", kill_on_drop: false }` [INFO] [stdout] cc6162243e6023956f953b6d293ef96d108866cc6ce80fa0a305724c920edb4e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ac1429f866854d60341e7eccf92abc9ca4506aa620a620b16678ac63ae16f17b [INFO] running `Command { std: "docker" "start" "-a" "ac1429f866854d60341e7eccf92abc9ca4506aa620a620b16678ac63ae16f17b", kill_on_drop: false }` [INFO] [stderr] Compiling close_fds v0.3.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition name: `tarpaulin` [INFO] [stdout] --> tests/test_close_fds.rs:490:11 [INFO] [stdout] | [INFO] [stdout] 490 | #[cfg(not(tarpaulin))] // Breaks when running under some versions of tarpaulin [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tarpaulin)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tarpaulin)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.77s [INFO] running `Command { std: "docker" "inspect" "ac1429f866854d60341e7eccf92abc9ca4506aa620a620b16678ac63ae16f17b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ac1429f866854d60341e7eccf92abc9ca4506aa620a620b16678ac63ae16f17b", kill_on_drop: false }` [INFO] [stdout] ac1429f866854d60341e7eccf92abc9ca4506aa620a620b16678ac63ae16f17b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] d9c1202c7b7b07e1ef04f4a79c0ecc5992d3177f1045165c39c41aef0ccc4e64 [INFO] running `Command { std: "docker" "start" "-a" "d9c1202c7b7b07e1ef04f4a79c0ecc5992d3177f1045165c39c41aef0ccc4e64", kill_on_drop: false }` [INFO] [stderr] warning: unexpected `cfg` condition name: `tarpaulin` [INFO] [stderr] --> tests/test_close_fds.rs:490:11 [INFO] [stderr] | [INFO] [stderr] 490 | #[cfg(not(tarpaulin))] // Breaks when running under some versions of tarpaulin [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [INFO] [stderr] = help: consider using a Cargo feature instead [INFO] [stderr] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stderr] [lints.rust] [INFO] [stderr] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tarpaulin)'] } [INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tarpaulin)");` to the top of the `build.rs` [INFO] [stderr] = note: see for more information about checking conditional configuration [INFO] [stderr] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `close_fds` (test "test_close_fds") generated 1 warning [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/close_fds-09e0aec59908f183) [INFO] [stdout] [INFO] [stdout] running 12 tests [INFO] [stdout] test iterfds::dirfd::tests::test_parse_int_bytes ... ok [INFO] [stdout] test iterfds::tests::test_fused_possible ... ok [INFO] [stdout] test iterfds::tests::test_fused_open ... ok [INFO] [stdout] test iterfds::tests::test_size_hint_open ... ok [INFO] [stdout] test util::tests::test_apply_range ... ok [INFO] [stdout] test iterfds::tests::test_size_hint_possible ... ok [INFO] [stdout] test util::tests::test_check_should_keep_sorted ... ok [INFO] [stdout] test util::tests::test_check_should_keep_not_sorted ... ok [INFO] [stdout] test util::tests::test_inspect_keep_fds ... ok [INFO] [stdout] test util::tests::test_simplify_keep_fds ... ok [INFO] [stdout] test util::tests::test_set_cloexec ... ok [INFO] [stdout] test util::tests::test_is_fd_valid ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/test_close_fds.rs (/opt/rustwide/target/debug/deps/test_close_fds-b45a5b219fd26921) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test run_no_fds_tests ... ok [INFO] [stderr] fatal runtime error: IO Safety violation: owned file descriptor already closed, aborting [INFO] [stderr] error: test failed, to rerun pass `--test test_close_fds` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/deps/test_close_fds-b45a5b219fd26921` (signal: 6, SIGABRT: process abort signal) [INFO] running `Command { std: "docker" "inspect" "d9c1202c7b7b07e1ef04f4a79c0ecc5992d3177f1045165c39c41aef0ccc4e64", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d9c1202c7b7b07e1ef04f4a79c0ecc5992d3177f1045165c39c41aef0ccc4e64", kill_on_drop: false }` [INFO] [stdout] d9c1202c7b7b07e1ef04f4a79c0ecc5992d3177f1045165c39c41aef0ccc4e64