[INFO] fetching crate dbs-legacy-devices 0.1.1...
[INFO] testing dbs-legacy-devices-0.1.1 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate dbs-legacy-devices 0.1.1 into /workspace/builds/worker-0-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-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate dbs-legacy-devices 0.1.1 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 44 packages to latest compatible versions
[INFO] [stderr]       Adding vm-superio v0.5.0 (available: v0.8.0)
[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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 57ba9679e85176a665aa8fdc17b69aa2e3b123ff8947d6bbbc0bf0226eb82e86
[INFO] running `Command { std: "docker" "start" "-a" "57ba9679e85176a665aa8fdc17b69aa2e3b123ff8947d6bbbc0bf0226eb82e86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57ba9679e85176a665aa8fdc17b69aa2e3b123ff8947d6bbbc0bf0226eb82e86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57ba9679e85176a665aa8fdc17b69aa2e3b123ff8947d6bbbc0bf0226eb82e86", kill_on_drop: false }`
[INFO] [stdout] 57ba9679e85176a665aa8fdc17b69aa2e3b123ff8947d6bbbc0bf0226eb82e86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe44f1c58a81d55810b9fa7582d5300f503fd636b8dbd0a9fc1246d22da6c7a9
[INFO] running `Command { std: "docker" "start" "-a" "fe44f1c58a81d55810b9fa7582d5300f503fd636b8dbd0a9fc1246d22da6c7a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling vm-superio v0.5.0
[INFO] [stderr]    Compiling vmm-sys-util v0.15.0
[INFO] [stderr]    Compiling vmm-sys-util v0.11.2
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling dbs-device v0.2.0
[INFO] [stderr]    Compiling event-manager v0.2.1
[INFO] [stderr]    Compiling timerfd v1.6.0
[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 7.95s
[INFO] running `Command { std: "docker" "inspect" "fe44f1c58a81d55810b9fa7582d5300f503fd636b8dbd0a9fc1246d22da6c7a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe44f1c58a81d55810b9fa7582d5300f503fd636b8dbd0a9fc1246d22da6c7a9", kill_on_drop: false }`
[INFO] [stdout] fe44f1c58a81d55810b9fa7582d5300f503fd636b8dbd0a9fc1246d22da6c7a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 483aba086343c099eae895f2732879bc7221e4ad0886db49b0c417ce6c9d544f
[INFO] running `Command { std: "docker" "start" "-a" "483aba086343c099eae895f2732879bc7221e4ad0886db49b0c417ce6c9d544f", 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 0.64s
[INFO] running `Command { std: "docker" "inspect" "483aba086343c099eae895f2732879bc7221e4ad0886db49b0c417ce6c9d544f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "483aba086343c099eae895f2732879bc7221e4ad0886db49b0c417ce6c9d544f", kill_on_drop: false }`
[INFO] [stdout] 483aba086343c099eae895f2732879bc7221e4ad0886db49b0c417ce6c9d544f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 58cd677ef3c39e0068bb6865616c1eb0a43c9eed68d4d16300826872a7562851
[INFO] running `Command { std: "docker" "start" "-a" "58cd677ef3c39e0068bb6865616c1eb0a43c9eed68d4d16300826872a7562851", 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 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/dbs_legacy_devices-6eb99aab8ea0694e)
[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-6eb99aab8ea0694e` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "58cd677ef3c39e0068bb6865616c1eb0a43c9eed68d4d16300826872a7562851", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58cd677ef3c39e0068bb6865616c1eb0a43c9eed68d4d16300826872a7562851", kill_on_drop: false }`
[INFO] [stdout] 58cd677ef3c39e0068bb6865616c1eb0a43c9eed68d4d16300826872a7562851