[INFO] fetching crate nblistener 0.1.1...
[INFO] testing nblistener-0.1.1 against 1.90.0 for beta-1.91-2
[INFO] extracting crate nblistener 0.1.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate nblistener 0.1.1
[INFO] finished tweaking crates.io crate nblistener 0.1.1
[INFO] tweaked toml for crates.io crate nblistener 0.1.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate nblistener 0.1.1 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 73b8cffbd7349142052c8c50d41de79cd4e1c4915fa78e287d791a19595d8dde
[INFO] running `Command { std: "docker" "start" "-a" "73b8cffbd7349142052c8c50d41de79cd4e1c4915fa78e287d791a19595d8dde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73b8cffbd7349142052c8c50d41de79cd4e1c4915fa78e287d791a19595d8dde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73b8cffbd7349142052c8c50d41de79cd4e1c4915fa78e287d791a19595d8dde", kill_on_drop: false }`
[INFO] [stdout] 73b8cffbd7349142052c8c50d41de79cd4e1c4915fa78e287d791a19595d8dde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed9d9741c4b350251a28b1906839a682affd2e35a6d4745a3732db3e3cb551f9
[INFO] running `Command { std: "docker" "start" "-a" "ed9d9741c4b350251a28b1906839a682affd2e35a6d4745a3732db3e3cb551f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling nblistener v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "ed9d9741c4b350251a28b1906839a682affd2e35a6d4745a3732db3e3cb551f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed9d9741c4b350251a28b1906839a682affd2e35a6d4745a3732db3e3cb551f9", kill_on_drop: false }`
[INFO] [stdout] ed9d9741c4b350251a28b1906839a682affd2e35a6d4745a3732db3e3cb551f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 669dd59b3fd0024d87642289db72948bd9cdfd947613c15d855dd8584f080e58
[INFO] running `Command { std: "docker" "start" "-a" "669dd59b3fd0024d87642289db72948bd9cdfd947613c15d855dd8584f080e58", kill_on_drop: false }`
[INFO] [stderr]    Compiling nblistener v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "669dd59b3fd0024d87642289db72948bd9cdfd947613c15d855dd8584f080e58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "669dd59b3fd0024d87642289db72948bd9cdfd947613c15d855dd8584f080e58", kill_on_drop: false }`
[INFO] [stdout] 669dd59b3fd0024d87642289db72948bd9cdfd947613c15d855dd8584f080e58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 75013799f637128ab5875f2d370b6f769dc8103079243787d24dc21309c18e88
[INFO] running `Command { std: "docker" "start" "-a" "75013799f637128ab5875f2d370b6f769dc8103079243787d24dc21309c18e88", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nblistener-6f675a1f69ef8572)
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_pre_close ... ok
[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/nblistener-6f675a1f69ef8572` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "75013799f637128ab5875f2d370b6f769dc8103079243787d24dc21309c18e88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75013799f637128ab5875f2d370b6f769dc8103079243787d24dc21309c18e88", kill_on_drop: false }`
[INFO] [stdout] 75013799f637128ab5875f2d370b6f769dc8103079243787d24dc21309c18e88
