[INFO] fetching crate kal-mux 0.1.0...
[INFO] testing kal-mux-0.1.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate kal-mux 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate kal-mux 0.1.0
[INFO] finished tweaking crates.io crate kal-mux 0.1.0
[INFO] tweaked toml for crates.io crate kal-mux 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate kal-mux 0.1.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate kal-mux 0.1.0 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ccca4980f78900fb9fe2eb441da83b417a6616cb61cd4488df5d56c0f08acc5
[INFO] running `Command { std: "docker" "start" "-a" "1ccca4980f78900fb9fe2eb441da83b417a6616cb61cd4488df5d56c0f08acc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ccca4980f78900fb9fe2eb441da83b417a6616cb61cd4488df5d56c0f08acc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ccca4980f78900fb9fe2eb441da83b417a6616cb61cd4488df5d56c0f08acc5", kill_on_drop: false }`
[INFO] [stdout] 1ccca4980f78900fb9fe2eb441da83b417a6616cb61cd4488df5d56c0f08acc5
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0e12903300a75238fedc145df85edc9774b001de7eae2f8adbe41926fa2a695
[INFO] running `Command { std: "docker" "start" "-a" "c0e12903300a75238fedc145df85edc9774b001de7eae2f8adbe41926fa2a695", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling kal-mux v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling futures-macro v0.3.31
[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]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.36s
[INFO] running `Command { std: "docker" "inspect" "c0e12903300a75238fedc145df85edc9774b001de7eae2f8adbe41926fa2a695", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0e12903300a75238fedc145df85edc9774b001de7eae2f8adbe41926fa2a695", kill_on_drop: false }`
[INFO] [stdout] c0e12903300a75238fedc145df85edc9774b001de7eae2f8adbe41926fa2a695
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bef9420bbcf614f6a14885137f9348a05b82cccf38f79f2f1cab6cd49c3b8ee5
[INFO] running `Command { std: "docker" "start" "-a" "bef9420bbcf614f6a14885137f9348a05b82cccf38f79f2f1cab6cd49c3b8ee5", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling kal-mux v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.65s
[INFO] running `Command { std: "docker" "inspect" "bef9420bbcf614f6a14885137f9348a05b82cccf38f79f2f1cab6cd49c3b8ee5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bef9420bbcf614f6a14885137f9348a05b82cccf38f79f2f1cab6cd49c3b8ee5", kill_on_drop: false }`
[INFO] [stdout] bef9420bbcf614f6a14885137f9348a05b82cccf38f79f2f1cab6cd49c3b8ee5
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 749d0b8d09df6efaf1a854e7717eee5fbe5f7aaac3be2ac1fe36e895446ea0e1
[INFO] running `Command { std: "docker" "start" "-a" "749d0b8d09df6efaf1a854e7717eee5fbe5f7aaac3be2ac1fe36e895446ea0e1", 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/kal_mux-658280abd773fd64)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::deterministic_tie_break_by_source_index ... ok
[INFO] [stdout] test tests::handles_empty_streams ... ok
[INFO] [stdout] test tests::merge_three_streams_ascending ... ok
[INFO] [stdout] test tests::merge_descending_order ... ok
[INFO] [stdout] test tests::handles_all_empty ... ok
[INFO] [stdout] test tests::merge_two_streams_ascending ... ok
[INFO] [stderr]    Doc-tests kal_mux
[INFO] [stdout] test tests::tie_break_prefers_lower_src_index ... ok
[INFO] [stdout] test tests::waits_for_missing_head_then_unblocks_in_order ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 31) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.34s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "749d0b8d09df6efaf1a854e7717eee5fbe5f7aaac3be2ac1fe36e895446ea0e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "749d0b8d09df6efaf1a854e7717eee5fbe5f7aaac3be2ac1fe36e895446ea0e1", kill_on_drop: false }`
[INFO] [stdout] 749d0b8d09df6efaf1a854e7717eee5fbe5f7aaac3be2ac1fe36e895446ea0e1