[INFO] fetching crate netns-rs 0.1.0...
[INFO] testing netns-rs-0.1.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate netns-rs 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate netns-rs 0.1.0
[INFO] finished tweaking crates.io crate netns-rs 0.1.0
[INFO] tweaked toml for crates.io crate netns-rs 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate netns-rs 0.1.0 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 14 packages to latest compatible versions
[INFO] [stderr]       Adding nix v0.23.2 (available: v0.30.1)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.16)
[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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 71da55a38778ad69b18d5fa9361dee32b00d2268681ce7d5475bfd8c3b8490d9
[INFO] running `Command { std: "docker" "start" "-a" "71da55a38778ad69b18d5fa9361dee32b00d2268681ce7d5475bfd8c3b8490d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71da55a38778ad69b18d5fa9361dee32b00d2268681ce7d5475bfd8c3b8490d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71da55a38778ad69b18d5fa9361dee32b00d2268681ce7d5475bfd8c3b8490d9", kill_on_drop: false }`
[INFO] [stdout] 71da55a38778ad69b18d5fa9361dee32b00d2268681ce7d5475bfd8c3b8490d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] c0cefe8110fe980eeaae3bdd4d9731eb54b2a4e1827d06f3c75b57a1f6f955ff
[INFO] running `Command { std: "docker" "start" "-a" "c0cefe8110fe980eeaae3bdd4d9731eb54b2a4e1827d06f3c75b57a1f6f955ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling nix v0.23.2
[INFO] [stderr]    Compiling netns-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.62s
[INFO] running `Command { std: "docker" "inspect" "c0cefe8110fe980eeaae3bdd4d9731eb54b2a4e1827d06f3c75b57a1f6f955ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0cefe8110fe980eeaae3bdd4d9731eb54b2a4e1827d06f3c75b57a1f6f955ff", kill_on_drop: false }`
[INFO] [stdout] c0cefe8110fe980eeaae3bdd4d9731eb54b2a4e1827d06f3c75b57a1f6f955ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] e3f0d102201268008a402992a30b8873fb58538109c49ace1a61a4c4c2701246
[INFO] running `Command { std: "docker" "start" "-a" "e3f0d102201268008a402992a30b8873fb58538109c49ace1a61a4c4c2701246", kill_on_drop: false }`
[INFO] [stderr]    Compiling netns-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "e3f0d102201268008a402992a30b8873fb58538109c49ace1a61a4c4c2701246", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3f0d102201268008a402992a30b8873fb58538109c49ace1a61a4c4c2701246", kill_on_drop: false }`
[INFO] [stdout] e3f0d102201268008a402992a30b8873fb58538109c49ace1a61a4c4c2701246
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 15782394a0c34884223b163d016b26acd87cda7f9e7b26789be8cab18dbd570a
[INFO] running `Command { std: "docker" "start" "-a" "15782394a0c34884223b163d016b26acd87cda7f9e7b26789be8cab18dbd570a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/netns_rs-68636805f5a95745)
[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/netns_rs-68636805f5a95745` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "15782394a0c34884223b163d016b26acd87cda7f9e7b26789be8cab18dbd570a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15782394a0c34884223b163d016b26acd87cda7f9e7b26789be8cab18dbd570a", kill_on_drop: false }`
[INFO] [stdout] 15782394a0c34884223b163d016b26acd87cda7f9e7b26789be8cab18dbd570a