[INFO] fetching crate tokio-muxt 0.6.0...
[INFO] testing tokio-muxt-0.6.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate tokio-muxt 0.6.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate tokio-muxt 0.6.0
[INFO] finished tweaking crates.io crate tokio-muxt 0.6.0
[INFO] tweaked toml for crates.io crate tokio-muxt 0.6.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tokio-muxt 0.6.0 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tokio-muxt 0.6.0 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" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ca7677e7c22435d5e89b17150f7f4f7584ff991e228e22a5a55add4fc0db5bd
[INFO] running `Command { std: "docker" "start" "-a" "9ca7677e7c22435d5e89b17150f7f4f7584ff991e228e22a5a55add4fc0db5bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ca7677e7c22435d5e89b17150f7f4f7584ff991e228e22a5a55add4fc0db5bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ca7677e7c22435d5e89b17150f7f4f7584ff991e228e22a5a55add4fc0db5bd", kill_on_drop: false }`
[INFO] [stdout] 9ca7677e7c22435d5e89b17150f7f4f7584ff991e228e22a5a55add4fc0db5bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a72c7843774220bfee95088c6887afaa54b8cb09dbfff80670a12cbc1b76f84
[INFO] running `Command { std: "docker" "start" "-a" "3a72c7843774220bfee95088c6887afaa54b8cb09dbfff80670a12cbc1b76f84", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio v1.42.0
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling pin-project-internal v1.1.7
[INFO] [stderr]    Compiling pin-project v1.1.7
[INFO] [stderr]    Compiling tokio-muxt v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.79s
[INFO] running `Command { std: "docker" "inspect" "3a72c7843774220bfee95088c6887afaa54b8cb09dbfff80670a12cbc1b76f84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a72c7843774220bfee95088c6887afaa54b8cb09dbfff80670a12cbc1b76f84", kill_on_drop: false }`
[INFO] [stdout] 3a72c7843774220bfee95088c6887afaa54b8cb09dbfff80670a12cbc1b76f84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf6ad41aadd968ad9b35323cea914dedb2ae9d0a4bd937e90bb6be16b451f8fb
[INFO] running `Command { std: "docker" "start" "-a" "cf6ad41aadd968ad9b35323cea914dedb2ae9d0a4bd937e90bb6be16b451f8fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.168
[INFO] [stderr]    Compiling pin-project-internal v1.1.7
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling socket2 v0.5.8
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling pin-project v1.1.7
[INFO] [stderr]    Compiling tokio v1.42.0
[INFO] [stderr]    Compiling tokio-muxt v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 11.38s
[INFO] running `Command { std: "docker" "inspect" "cf6ad41aadd968ad9b35323cea914dedb2ae9d0a4bd937e90bb6be16b451f8fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf6ad41aadd968ad9b35323cea914dedb2ae9d0a4bd937e90bb6be16b451f8fb", kill_on_drop: false }`
[INFO] [stdout] cf6ad41aadd968ad9b35323cea914dedb2ae9d0a4bd937e90bb6be16b451f8fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9b1048d7c80c180f5a084def8be1da4e2143d6f7e5501cd47cf20738c11acad8
[INFO] running `Command { std: "docker" "start" "-a" "9b1048d7c80c180f5a084def8be1da4e2143d6f7e5501cd47cf20738c11acad8", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tokio_muxt-40455d2b3cd3c060)
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::cancellation ... ok
[INFO] [stdout] test tests::rearming_latest ... ok
[INFO] [stdout] test tests::firing_order ... ok
[INFO] [stdout] test tests::rearming_earliest ... ok
[INFO] [stderr]    Doc-tests tokio_muxt
[INFO] [stdout] test tests::rearming_interleaved ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9b1048d7c80c180f5a084def8be1da4e2143d6f7e5501cd47cf20738c11acad8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b1048d7c80c180f5a084def8be1da4e2143d6f7e5501cd47cf20738c11acad8", kill_on_drop: false }`
[INFO] [stdout] 9b1048d7c80c180f5a084def8be1da4e2143d6f7e5501cd47cf20738c11acad8