[INFO] fetching crate tabs 0.1.1...
[INFO] testing tabs-0.1.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate tabs 0.1.1 into /workspace/builds/worker-6-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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tabs 0.1.1 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 53 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-2025-09-21" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 38db5277a7cb4003ff808b044b42f2838ec86dc06fed27513189a46938866b98
[INFO] running `Command { std: "docker" "start" "-a" "38db5277a7cb4003ff808b044b42f2838ec86dc06fed27513189a46938866b98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38db5277a7cb4003ff808b044b42f2838ec86dc06fed27513189a46938866b98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38db5277a7cb4003ff808b044b42f2838ec86dc06fed27513189a46938866b98", kill_on_drop: false }`
[INFO] [stdout] 38db5277a7cb4003ff808b044b42f2838ec86dc06fed27513189a46938866b98
[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=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" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abd6c58a5751701d58349668ae5f25e043800456e1a7663ea3f78383c43468a0
[INFO] running `Command { std: "docker" "start" "-a" "abd6c58a5751701d58349668ae5f25e043800456e1a7663ea3f78383c43468a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling tokio v1.47.1
[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 14.38s
[INFO] running `Command { std: "docker" "inspect" "abd6c58a5751701d58349668ae5f25e043800456e1a7663ea3f78383c43468a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abd6c58a5751701d58349668ae5f25e043800456e1a7663ea3f78383c43468a0", kill_on_drop: false }`
[INFO] [stdout] abd6c58a5751701d58349668ae5f25e043800456e1a7663ea3f78383c43468a0
[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=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" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dfa44e63995e029568a5e12f35af7c707375c70483f5225665be7c21c0eb72b6
[INFO] running `Command { std: "docker" "start" "-a" "dfa44e63995e029568a5e12f35af7c707375c70483f5225665be7c21c0eb72b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling tabs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.90s
[INFO] running `Command { std: "docker" "inspect" "dfa44e63995e029568a5e12f35af7c707375c70483f5225665be7c21c0eb72b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfa44e63995e029568a5e12f35af7c707375c70483f5225665be7c21c0eb72b6", kill_on_drop: false }`
[INFO] [stdout] dfa44e63995e029568a5e12f35af7c707375c70483f5225665be7c21c0eb72b6
[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=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" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5f6228d1c60ce53c760ab70f6f4f35d25f0a10740cbfb11872adeb500787518d
[INFO] running `Command { std: "docker" "start" "-a" "5f6228d1c60ce53c760ab70f6f4f35d25f0a10740cbfb11872adeb500787518d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tabs-a1a453d5608fe538)
[INFO] [stdout] running 10 tests
[INFO] [stdout] test one_shot::tests::can_instantiate_one_shot ... ok
[INFO] [stdout] test parallel::tests::can_instantiate_parallel ... ok
[INFO] [stdout] test poll::tests::can_instantiate_poll ... ok
[INFO] [stdout] test tick::tests::can_instantiate_tick ... ok
[INFO] [stdout] test parallel::tests::can_start_parallel ... ok
[INFO] [stdout] test sequence::tests::can_instantiate_sequence ... ok
[INFO] [stdout] test one_shot::tests::can_start_one_shot ... ok
[INFO] [stdout] test sequence::tests::can_start_sequence ... 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 0.20s
[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" "5f6228d1c60ce53c760ab70f6f4f35d25f0a10740cbfb11872adeb500787518d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f6228d1c60ce53c760ab70f6f4f35d25f0a10740cbfb11872adeb500787518d", kill_on_drop: false }`
[INFO] [stdout] 5f6228d1c60ce53c760ab70f6f4f35d25f0a10740cbfb11872adeb500787518d