[INFO] fetching crate dbs-legacy-devices 0.1.1...
[INFO] testing dbs-legacy-devices-0.1.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate dbs-legacy-devices 0.1.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate dbs-legacy-devices 0.1.1
[INFO] finished tweaking crates.io crate dbs-legacy-devices 0.1.1
[INFO] tweaked toml for crates.io crate dbs-legacy-devices 0.1.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate dbs-legacy-devices 0.1.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 36 packages to latest compatible versions
[INFO] [stderr]       Adding vm-superio v0.5.0 (available: v0.8.1)
[INFO] [stderr]       Adding vmm-sys-util v0.11.2 (available: v0.15.0)
[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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ac6b674fb6af5ed039b4b87be8657a39d4eea895a7fefdff6ad61cc500485678
[INFO] running `Command { std: "docker" "start" "-a" "ac6b674fb6af5ed039b4b87be8657a39d4eea895a7fefdff6ad61cc500485678", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac6b674fb6af5ed039b4b87be8657a39d4eea895a7fefdff6ad61cc500485678", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac6b674fb6af5ed039b4b87be8657a39d4eea895a7fefdff6ad61cc500485678", kill_on_drop: false }`
[INFO] [stdout] ac6b674fb6af5ed039b4b87be8657a39d4eea895a7fefdff6ad61cc500485678
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 47775eb2fc2b1734409fd89ddaa3bc869224f9f364439f909d1217d69dcc83e1
[INFO] running `Command { std: "docker" "start" "-a" "47775eb2fc2b1734409fd89ddaa3bc869224f9f364439f909d1217d69dcc83e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling vm-superio v0.5.0
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling vmm-sys-util v0.15.0
[INFO] [stderr]    Compiling vmm-sys-util v0.11.2
[INFO] [stderr]    Compiling event-manager v0.2.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling timerfd v1.6.0
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling dbs-device v0.2.0
[INFO] [stderr]    Compiling dbs-utils v0.2.1
[INFO] [stderr]    Compiling dbs-legacy-devices v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.16s
[INFO] running `Command { std: "docker" "inspect" "47775eb2fc2b1734409fd89ddaa3bc869224f9f364439f909d1217d69dcc83e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47775eb2fc2b1734409fd89ddaa3bc869224f9f364439f909d1217d69dcc83e1", kill_on_drop: false }`
[INFO] [stdout] 47775eb2fc2b1734409fd89ddaa3bc869224f9f364439f909d1217d69dcc83e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] e1b9674eb86ad9e7e8bff8010d725a2d235c07297c02f4901cf89ee84c724bfe
[INFO] running `Command { std: "docker" "start" "-a" "e1b9674eb86ad9e7e8bff8010d725a2d235c07297c02f4901cf89ee84c724bfe", kill_on_drop: false }`
[INFO] [stderr]    Compiling dbs-legacy-devices v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/serial.rs:244:39
[INFO] [stdout]     |
[INFO] [stdout] 244 |         let out: Arc<Mutex<Option<Box<(dyn std::io::Write + Send + 'static)>>>> =
[INFO] [stdout]     |                                       ^                                   ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 244 -         let out: Arc<Mutex<Option<Box<(dyn std::io::Write + Send + 'static)>>>> =
[INFO] [stdout] 244 +         let out: Arc<Mutex<Option<Box<dyn std::io::Write + Send + 'static>>>> =
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "e1b9674eb86ad9e7e8bff8010d725a2d235c07297c02f4901cf89ee84c724bfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1b9674eb86ad9e7e8bff8010d725a2d235c07297c02f4901cf89ee84c724bfe", kill_on_drop: false }`
[INFO] [stdout] e1b9674eb86ad9e7e8bff8010d725a2d235c07297c02f4901cf89ee84c724bfe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 9ec4dc226a52f08b1679ffbdfd38ca705f8c904acac6f0ab1a4600bfc40b9936
[INFO] running `Command { std: "docker" "start" "-a" "9ec4dc226a52f08b1679ffbdfd38ca705f8c904acac6f0ab1a4600bfc40b9936", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/serial.rs:244:39
[INFO] [stderr]     |
[INFO] [stderr] 244 |         let out: Arc<Mutex<Option<Box<(dyn std::io::Write + Send + 'static)>>>> =
[INFO] [stderr]     |                                       ^                                   ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 244 -         let out: Arc<Mutex<Option<Box<(dyn std::io::Write + Send + 'static)>>>> =
[INFO] [stderr] 244 +         let out: Arc<Mutex<Option<Box<dyn std::io::Write + Send + 'static>>>> =
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `dbs-legacy-devices` (lib test) generated 1 warning (run `cargo fix --lib -p dbs-legacy-devices --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/dbs_legacy_devices-0b956e6c0914c6d5)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stderr] fatal runtime error: IO Safety violation: owned file descriptor already closed, aborting
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/dbs_legacy_devices-0b956e6c0914c6d5` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "9ec4dc226a52f08b1679ffbdfd38ca705f8c904acac6f0ab1a4600bfc40b9936", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ec4dc226a52f08b1679ffbdfd38ca705f8c904acac6f0ab1a4600bfc40b9936", kill_on_drop: false }`
[INFO] [stdout] 9ec4dc226a52f08b1679ffbdfd38ca705f8c904acac6f0ab1a4600bfc40b9936
