[INFO] fetching crate clircle 0.6.1...
[INFO] testing clircle-0.6.1 against 1.90.0 for beta-1.91-2
[INFO] extracting crate clircle 0.6.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate clircle 0.6.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate clircle 0.6.1
[INFO] tweaked toml for crates.io crate clircle 0.6.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate clircle 0.6.1 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] crate crates.io crate clircle 0.6.1 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-ident v1.0.0
[INFO] [stderr]   Downloaded windows-implement v0.56.0
[INFO] [stderr]   Downloaded windows-result v0.1.2
[INFO] [stderr]   Downloaded cfg_aliases v0.2.0
[INFO] [stderr]   Downloaded instant v0.1.0
[INFO] [stderr]   Downloaded errno-dragonfly v0.1.1
[INFO] [stderr]   Downloaded tempfile v3.4.0
[INFO] [stderr]   Downloaded windows-interface v0.56.0
[INFO] [stderr]   Downloaded bitflags v2.3.1
[INFO] [stderr]   Downloaded fastrand v1.6.0
[INFO] [stderr]   Downloaded serde_derive v1.0.117
[INFO] [stderr]   Downloaded io-lifetimes v1.0.1
[INFO] [stderr]   Downloaded windows-core v0.56.0
[INFO] [stderr]   Downloaded serde v1.0.117
[INFO] [stderr]   Downloaded syn v2.0.12
[INFO] [stderr]   Downloaded rustix v0.36.0
[INFO] [stderr]   Downloaded gcc v0.3.3
[INFO] [stderr]   Downloaded linux-raw-sys v0.1.2
[INFO] [stderr]   Downloaded windows v0.56.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 6d119423779b231a54acecd046010cc04af05b6619c0f1554b35cda645e4fec9
[INFO] running `Command { std: "docker" "start" "-a" "6d119423779b231a54acecd046010cc04af05b6619c0f1554b35cda645e4fec9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d119423779b231a54acecd046010cc04af05b6619c0f1554b35cda645e4fec9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d119423779b231a54acecd046010cc04af05b6619c0f1554b35cda645e4fec9", kill_on_drop: false }`
[INFO] [stdout] 6d119423779b231a54acecd046010cc04af05b6619c0f1554b35cda645e4fec9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 57b5c5ead85abcee82b0480fe4759d4f6fbc9e7bc87afcad9a609929b2822644
[INFO] running `Command { std: "docker" "start" "-a" "57b5c5ead85abcee82b0480fe4759d4f6fbc9e7bc87afcad9a609929b2822644", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling proc-macro2 v1.0.52
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling clircle v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]    --> src/lib.rs:132:5
[INFO] [stdout]     |
[INFO] [stdout] 132 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]   --> src/clircle_unix.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     #[must_use]
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]   --> src/clircle_unix.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 68 |     #[must_use]
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]    --> src/clircle_unix.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 115 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.08s
[INFO] running `Command { std: "docker" "inspect" "57b5c5ead85abcee82b0480fe4759d4f6fbc9e7bc87afcad9a609929b2822644", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57b5c5ead85abcee82b0480fe4759d4f6fbc9e7bc87afcad9a609929b2822644", kill_on_drop: false }`
[INFO] [stdout] 57b5c5ead85abcee82b0480fe4759d4f6fbc9e7bc87afcad9a609929b2822644
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 9ace435bce45098c1697fc8dbe8e9476f87cd7b4a3c4d33027c345b2a2032e75
[INFO] running `Command { std: "docker" "start" "-a" "9ace435bce45098c1697fc8dbe8e9476f87cd7b4a3c4d33027c345b2a2032e75", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling io-lifetimes v1.0.1
[INFO] [stderr]    Compiling cfg_aliases v0.2.0
[INFO] [stderr]    Compiling rustix v0.36.0
[INFO] [stderr]    Compiling linux-raw-sys v0.1.2
[INFO] [stderr]    Compiling fastrand v1.6.0
[INFO] [stderr]    Compiling bitflags v2.3.1
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]    --> src/lib.rs:132:5
[INFO] [stdout]     |
[INFO] [stdout] 132 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]   --> src/clircle_unix.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     #[must_use]
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]   --> src/clircle_unix.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 68 |     #[must_use]
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]    --> src/clircle_unix.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 115 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tempfile v3.4.0
[INFO] [stderr]    Compiling clircle v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]    --> src/lib.rs:132:5
[INFO] [stdout]     |
[INFO] [stdout] 132 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]   --> src/clircle_unix.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     #[must_use]
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]   --> src/clircle_unix.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 68 |     #[must_use]
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]    --> src/clircle_unix.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 115 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 7.83s
[INFO] running `Command { std: "docker" "inspect" "9ace435bce45098c1697fc8dbe8e9476f87cd7b4a3c4d33027c345b2a2032e75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ace435bce45098c1697fc8dbe8e9476f87cd7b4a3c4d33027c345b2a2032e75", kill_on_drop: false }`
[INFO] [stdout] 9ace435bce45098c1697fc8dbe8e9476f87cd7b4a3c4d33027c345b2a2032e75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] cecc6b79df29cc4207351164e66bb7991416656c20845eb36eb6e097195aef63
[INFO] running `Command { std: "docker" "start" "-a" "cecc6b79df29cc4207351164e66bb7991416656c20845eb36eb6e097195aef63", kill_on_drop: false }`
[INFO] [stderr] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stderr]    --> src/lib.rs:132:5
[INFO] [stderr]     |
[INFO] [stderr] 132 |     #[must_use]
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stderr]   --> src/clircle_unix.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     #[must_use]
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stderr]   --> src/clircle_unix.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 |     #[must_use]
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stderr]    --> src/clircle_unix.rs:115:5
[INFO] [stderr]     |
[INFO] [stderr] 115 |     #[must_use]
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `clircle` (lib) generated 4 warnings
[INFO] [stderr] warning: `clircle` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/clircle-4039d73e382c07df)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test clircle_unix::tests::test_borrowed_fd ... ok
[INFO] [stdout] test clircle_unix::tests::test_into_inner ... ok
[INFO] [stdout] test clircle_unix::tests::test_pty_equal_but_not_conflicting ... ok
[INFO] [stdout] test tests::test_basic_comparisons ... 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/clircle-4039d73e382c07df` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "cecc6b79df29cc4207351164e66bb7991416656c20845eb36eb6e097195aef63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cecc6b79df29cc4207351164e66bb7991416656c20845eb36eb6e097195aef63", kill_on_drop: false }`
[INFO] [stdout] cecc6b79df29cc4207351164e66bb7991416656c20845eb36eb6e097195aef63
