[INFO] fetching crate rx_core_operator_concat_all 0.2.1...
[INFO] testing rx_core_operator_concat_all-0.2.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate rx_core_operator_concat_all 0.2.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate rx_core_operator_concat_all 0.2.1
[INFO] finished tweaking crates.io crate rx_core_operator_concat_all 0.2.1
[INFO] tweaked toml for crates.io crate rx_core_operator_concat_all 0.2.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rx_core_operator_concat_all 0.2.1 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rx_core_operator_concat_all 0.2.1 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 264c3b0baa332d8c8aef199eeefb9becf68ad813091316683958078dbea7eef2
[INFO] running `Command { std: "docker" "start" "-a" "264c3b0baa332d8c8aef199eeefb9becf68ad813091316683958078dbea7eef2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "264c3b0baa332d8c8aef199eeefb9becf68ad813091316683958078dbea7eef2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "264c3b0baa332d8c8aef199eeefb9becf68ad813091316683958078dbea7eef2", kill_on_drop: false }`
[INFO] [stdout] 264c3b0baa332d8c8aef199eeefb9becf68ad813091316683958078dbea7eef2
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac69778c62d81708e42266c65e1f497b8c6ffc7785abc97fbf90a74373a8714e
[INFO] running `Command { std: "docker" "start" "-a" "ac69778c62d81708e42266c65e1f497b8c6ffc7785abc97fbf90a74373a8714e", kill_on_drop: false }`
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling disqualified v1.0.0
[INFO] [stderr]    Compiling slab v0.4.12
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling variadics_please v1.1.0
[INFO] [stderr]    Compiling derive-where v1.6.0
[INFO] [stderr]    Compiling rx_core_macro_common v0.2.1
[INFO] [stderr]    Compiling rx_core_macro_observable_derive v0.2.1
[INFO] [stderr]    Compiling rx_core_macro_operator_derive v0.2.1
[INFO] [stderr]    Compiling rx_core_macro_subscriber_derive v0.2.1
[INFO] [stderr]    Compiling rx_core_macro_observer_derive v0.2.1
[INFO] [stderr]    Compiling rx_core_macro_subscription_derive v0.2.1
[INFO] [stderr]    Compiling rx_core_common v0.2.1
[INFO] [stderr]    Compiling rx_core_subscriber_higher_order v0.2.1
[INFO] [stderr]    Compiling rx_core_subscriber_higher_order_concurrent v0.2.1
[INFO] [stderr]    Compiling rx_core_subscriber_higher_order_all v0.2.1
[INFO] [stderr]    Compiling rx_core_operator_concat_all v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.37s
[INFO] running `Command { std: "docker" "inspect" "ac69778c62d81708e42266c65e1f497b8c6ffc7785abc97fbf90a74373a8714e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac69778c62d81708e42266c65e1f497b8c6ffc7785abc97fbf90a74373a8714e", kill_on_drop: false }`
[INFO] [stdout] ac69778c62d81708e42266c65e1f497b8c6ffc7785abc97fbf90a74373a8714e
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b0bc9f756d8db20ef626116a33e9baa774902cbebc5fc7e38e1a3eadd2cffb8
[INFO] running `Command { std: "docker" "start" "-a" "4b0bc9f756d8db20ef626116a33e9baa774902cbebc5fc7e38e1a3eadd2cffb8", kill_on_drop: false }`
[INFO] [stderr]    Compiling indexmap v2.13.0
[INFO] [stderr]    Compiling rx_core_macro_scheduler_derive v0.2.1
[INFO] [stderr]    Compiling rx_core_macro_executor_derive v0.2.1
[INFO] [stderr]    Compiling rx_core_macro_work_derive v0.2.1
[INFO] [stderr]    Compiling rx_core_macro_subject_derive v0.2.1
[INFO] [stderr]    Compiling rx_core_scheduler_ticking v0.2.1
[INFO] [stderr]    Compiling rx_core_testing v0.2.1
[INFO] [stderr]    Compiling rx_core_operator_concat_all v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.29s
[INFO] running `Command { std: "docker" "inspect" "4b0bc9f756d8db20ef626116a33e9baa774902cbebc5fc7e38e1a3eadd2cffb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b0bc9f756d8db20ef626116a33e9baa774902cbebc5fc7e38e1a3eadd2cffb8", kill_on_drop: false }`
[INFO] [stdout] 4b0bc9f756d8db20ef626116a33e9baa774902cbebc5fc7e38e1a3eadd2cffb8
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] aee3dd9df1b7ce97a75f3cf9263566b229c1d36e6eb48fcbfbde9489268e79b1
[INFO] running `Command { std: "docker" "start" "-a" "aee3dd9df1b7ce97a75f3cf9263566b229c1d36e6eb48fcbfbde9489268e79b1", 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/rx_core_operator_concat_all-323fa039417e4bea)
[INFO] [stderr]    Doc-tests rx_core_operator_concat_all
[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] [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" "aee3dd9df1b7ce97a75f3cf9263566b229c1d36e6eb48fcbfbde9489268e79b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aee3dd9df1b7ce97a75f3cf9263566b229c1d36e6eb48fcbfbde9489268e79b1", kill_on_drop: false }`
[INFO] [stdout] aee3dd9df1b7ce97a75f3cf9263566b229c1d36e6eb48fcbfbde9489268e79b1
