[INFO] fetching crate futures-stream-ext 0.5.0...
[INFO] testing futures-stream-ext-0.5.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate futures-stream-ext 0.5.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate futures-stream-ext 0.5.0
[INFO] finished tweaking crates.io crate futures-stream-ext 0.5.0
[INFO] tweaked toml for crates.io crate futures-stream-ext 0.5.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate futures-stream-ext 0.5.0 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] crate crates.io crate futures-stream-ext 0.5.0 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] bd563ca26e11ada8167ad7328d4b3344ba45b219513a03558161a14fed846379
[INFO] running `Command { std: "docker" "start" "-a" "bd563ca26e11ada8167ad7328d4b3344ba45b219513a03558161a14fed846379", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd563ca26e11ada8167ad7328d4b3344ba45b219513a03558161a14fed846379", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd563ca26e11ada8167ad7328d4b3344ba45b219513a03558161a14fed846379", kill_on_drop: false }`
[INFO] [stdout] bd563ca26e11ada8167ad7328d4b3344ba45b219513a03558161a14fed846379
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 3bab20d54ccbb07d540ee8d6c5ffcbab78a28dd51ba8c238055bafd4a9fa905c
[INFO] running `Command { std: "docker" "start" "-a" "3bab20d54ccbb07d540ee8d6c5ffcbab78a28dd51ba8c238055bafd4a9fa905c", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling futures-stream-ext v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.63s
[INFO] running `Command { std: "docker" "inspect" "3bab20d54ccbb07d540ee8d6c5ffcbab78a28dd51ba8c238055bafd4a9fa905c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bab20d54ccbb07d540ee8d6c5ffcbab78a28dd51ba8c238055bafd4a9fa905c", kill_on_drop: false }`
[INFO] [stdout] 3bab20d54ccbb07d540ee8d6c5ffcbab78a28dd51ba8c238055bafd4a9fa905c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] db4a27eb20d5417c5dd97775dff432731d237b2c37721964a904c845b8cece8d
[INFO] running `Command { std: "docker" "start" "-a" "db4a27eb20d5417c5dd97775dff432731d237b2c37721964a904c845b8cece8d", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling tokio v1.44.2
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures-stream-ext v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 8.96s
[INFO] running `Command { std: "docker" "inspect" "db4a27eb20d5417c5dd97775dff432731d237b2c37721964a904c845b8cece8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db4a27eb20d5417c5dd97775dff432731d237b2c37721964a904c845b8cece8d", kill_on_drop: false }`
[INFO] [stdout] db4a27eb20d5417c5dd97775dff432731d237b2c37721964a904c845b8cece8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 8f6d19466de3c5304d805d60edb14223f8b709069287b515bf15984c54737ad5
[INFO] running `Command { std: "docker" "start" "-a" "8f6d19466de3c5304d805d60edb14223f8b709069287b515bf15984c54737ad5", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/futures_stream_ext-101e6ff0de8c7c71)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test distinct::tests::distinct_until_changed_ok_result ... ok
[INFO] [stdout] test distinct::tests::distinct_until_changed_err_result ... ok
[INFO] [stdout] test distinct::tests::distinct_until_changed ... ok
[INFO] [stdout] test distinct::tests::distinct_until_changed_map ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests futures_stream_ext
[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" "8f6d19466de3c5304d805d60edb14223f8b709069287b515bf15984c54737ad5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f6d19466de3c5304d805d60edb14223f8b709069287b515bf15984c54737ad5", kill_on_drop: false }`
[INFO] [stdout] 8f6d19466de3c5304d805d60edb14223f8b709069287b515bf15984c54737ad5