[INFO] fetching crate tabs 0.1.1...
[INFO] testing tabs-0.1.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate tabs 0.1.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate tabs 0.1.1
[INFO] finished tweaking crates.io crate tabs 0.1.1
[INFO] tweaked toml for crates.io crate tabs 0.1.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tabs 0.1.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 45 packages to latest compatible versions
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 8a61f4e0a3260aacf828815688a172ec26d5d4b0d98347ed0452d0dcad27a368
[INFO] running `Command { std: "docker" "start" "-a" "8a61f4e0a3260aacf828815688a172ec26d5d4b0d98347ed0452d0dcad27a368", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a61f4e0a3260aacf828815688a172ec26d5d4b0d98347ed0452d0dcad27a368", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a61f4e0a3260aacf828815688a172ec26d5d4b0d98347ed0452d0dcad27a368", kill_on_drop: false }`
[INFO] [stdout] 8a61f4e0a3260aacf828815688a172ec26d5d4b0d98347ed0452d0dcad27a368
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 1c16f25d8b62cfa7f980339c0777a5ed9d27d83090113bde02d94f7d2994b592
[INFO] running `Command { std: "docker" "start" "-a" "1c16f25d8b62cfa7f980339c0777a5ed9d27d83090113bde02d94f7d2994b592", kill_on_drop: false }`
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling slab v0.4.11
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling mio v1.1.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling socket2 v0.6.1
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling tokio v1.48.0
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling tabs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.78s
[INFO] running `Command { std: "docker" "inspect" "1c16f25d8b62cfa7f980339c0777a5ed9d27d83090113bde02d94f7d2994b592", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c16f25d8b62cfa7f980339c0777a5ed9d27d83090113bde02d94f7d2994b592", kill_on_drop: false }`
[INFO] [stdout] 1c16f25d8b62cfa7f980339c0777a5ed9d27d83090113bde02d94f7d2994b592
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 24aaf2319865ef378c98bdb892d8992dd2f24b864f84ea81b6ded0417ba038f2
[INFO] running `Command { std: "docker" "start" "-a" "24aaf2319865ef378c98bdb892d8992dd2f24b864f84ea81b6ded0417ba038f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling tabs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.74s
[INFO] running `Command { std: "docker" "inspect" "24aaf2319865ef378c98bdb892d8992dd2f24b864f84ea81b6ded0417ba038f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24aaf2319865ef378c98bdb892d8992dd2f24b864f84ea81b6ded0417ba038f2", kill_on_drop: false }`
[INFO] [stdout] 24aaf2319865ef378c98bdb892d8992dd2f24b864f84ea81b6ded0417ba038f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 912a7041cbfc1f8803decf8e42ad2a99212a81776db8c5ba7afa2160424d233e
[INFO] running `Command { std: "docker" "start" "-a" "912a7041cbfc1f8803decf8e42ad2a99212a81776db8c5ba7afa2160424d233e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tabs-e257643e33acc6e1)
[INFO] [stdout] running 10 tests
[INFO] [stdout] test one_shot::tests::can_instantiate_one_shot ... ok
[INFO] [stdout] test one_shot::tests::can_start_one_shot ... ok
[INFO] [stdout] test tick::tests::can_instantiate_tick ... ok
[INFO] [stdout] test sequence::tests::can_instantiate_sequence ... ok
[INFO] [stdout] test parallel::tests::can_start_parallel ... ok
[INFO] [stdout] test poll::tests::can_instantiate_poll ... ok
[INFO] [stdout] test sequence::tests::can_start_sequence ... ok
[INFO] [stdout] test parallel::tests::can_instantiate_parallel ... ok
[INFO] [stdout] test poll::tests::can_start_poll ... ok
[INFO] [stdout] test tick::tests::can_start_tick ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tabs
[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" "912a7041cbfc1f8803decf8e42ad2a99212a81776db8c5ba7afa2160424d233e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "912a7041cbfc1f8803decf8e42ad2a99212a81776db8c5ba7afa2160424d233e", kill_on_drop: false }`
[INFO] [stdout] 912a7041cbfc1f8803decf8e42ad2a99212a81776db8c5ba7afa2160424d233e