[INFO] fetching crate rust-tango 0.1.2...
[INFO] testing rust-tango-0.1.2 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate rust-tango 0.1.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate rust-tango 0.1.2
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate rust-tango 0.1.2
[INFO] tweaked toml for crates.io crate rust-tango 0.1.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust-tango 0.1.2 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 rust-tango 0.1.2 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 402c3a553d80f886ece7be7cec6cca6c140130458547e4662b492980255d59b6
[INFO] running `Command { std: "docker" "start" "-a" "402c3a553d80f886ece7be7cec6cca6c140130458547e4662b492980255d59b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "402c3a553d80f886ece7be7cec6cca6c140130458547e4662b492980255d59b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "402c3a553d80f886ece7be7cec6cca6c140130458547e4662b492980255d59b6", kill_on_drop: false }`
[INFO] [stdout] 402c3a553d80f886ece7be7cec6cca6c140130458547e4662b492980255d59b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] f9019df57c28bf418ec98c72caf36c0381565984a2743de3f986fd68ad10d13e
[INFO] running `Command { std: "docker" "start" "-a" "f9019df57c28bf418ec98c72caf36c0381565984a2743de3f986fd68ad10d13e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-tango v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "f9019df57c28bf418ec98c72caf36c0381565984a2743de3f986fd68ad10d13e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9019df57c28bf418ec98c72caf36c0381565984a2743de3f986fd68ad10d13e", kill_on_drop: false }`
[INFO] [stdout] f9019df57c28bf418ec98c72caf36c0381565984a2743de3f986fd68ad10d13e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 763c3dd9b0132d5eb6a233acf9c1ed0f5af17638e7991dc24e2cf091b6759606
[INFO] running `Command { std: "docker" "start" "-a" "763c3dd9b0132d5eb6a233acf9c1ed0f5af17638e7991dc24e2cf091b6759606", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.36
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling rustix v1.1.3
[INFO] [stderr]    Compiling zmij v1.0.17
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling find-msvc-tools v0.1.8
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling clap_lex v0.7.7
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling wait-timeout v0.2.1
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling bit-vec v0.8.0
[INFO] [stderr]    Compiling clap_builder v4.5.56
[INFO] [stderr]    Compiling cc v1.2.54
[INFO] [stderr]    Compiling rand_core v0.9.5
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling bit-set v0.8.0
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling is-terminal v0.4.17
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling unarray v0.1.4
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling scoped-tls v1.0.1
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling ringbuf v0.4.8
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling rand_xorshift v0.4.0
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling generator v0.8.8
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling tempfile v3.24.0
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling rusty-fork v0.3.1
[INFO] [stderr]    Compiling clap v4.5.56
[INFO] [stderr]    Compiling zerocopy-derive v0.8.36
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling matchers v0.2.0
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling tracing-subscriber v0.3.22
[INFO] [stderr]    Compiling loom v0.7.2
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling proptest v1.9.0
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling rust-tango v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 26.34s
[INFO] running `Command { std: "docker" "inspect" "763c3dd9b0132d5eb6a233acf9c1ed0f5af17638e7991dc24e2cf091b6759606", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "763c3dd9b0132d5eb6a233acf9c1ed0f5af17638e7991dc24e2cf091b6759606", kill_on_drop: false }`
[INFO] [stdout] 763c3dd9b0132d5eb6a233acf9c1ed0f5af17638e7991dc24e2cf091b6759606
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 7279cfb65288a4987a2a6d583180791852f6e175436d8b04bf2e4af045f01f56
[INFO] running `Command { std: "docker" "start" "-a" "7279cfb65288a4987a2a6d583180791852f6e175436d8b04bf2e4af045f01f56", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_tango-bf57f828e6cdf4a5)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/proptest.rs (/opt/rustwide/target/debug/deps/proptest-7c0a4f9a856c7828)
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::detect_overrun ... ok
[INFO] [stdout] test tests::metrics_backpressure_tracking ... ok
[INFO] [stdout] test tests::publish_and_consume ... ok
[INFO] [stdout] test tests::metrics_tracking ... ok
[INFO] [stdout] test tests::read_result_not_ready ... ok
[INFO] [stdout] test tests::zero_copy_read ... ok
[INFO] [stdout] test tests::publish_and_consume_across_threads ... ok
[INFO] [stdout] test tests::flow_control_across_threads ... ok
[INFO] [stdout] test tests::publish_and_consume_with_flow_control ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test flow_control_prevents_overrun ... ok
[INFO] [stdout] test credits_conserved ... ok
[INFO] [stdout] test metadata_preserved ... ok
[INFO] [stdout] test payload_truncation ... ok
[INFO] [stdout] test sequence_numbers_monotonic ... ok
[INFO] [stdout] test publish_consume_roundtrip ... ok
[INFO] [stderr]    Doc-tests rust_tango
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.16s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - Consumer<'a,MCACHE_DEPTH,CHUNK_COUNT,CHUNK_SIZE>::into_iter (line 1218) ... ignored
[INFO] [stdout] test src/lib.rs - ChannelBuilder (line 1272) ... ok
[INFO] [stdout] test src/lib.rs - (line 69) ... ok
[INFO] [stdout] test src/lib.rs - (line 26) ... ok
[INFO] [stdout] test src/lib.rs - (line 50) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.13s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.73s; merged doctests compilation took 0.60s
[INFO] running `Command { std: "docker" "inspect" "7279cfb65288a4987a2a6d583180791852f6e175436d8b04bf2e4af045f01f56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7279cfb65288a4987a2a6d583180791852f6e175436d8b04bf2e4af045f01f56", kill_on_drop: false }`
[INFO] [stdout] 7279cfb65288a4987a2a6d583180791852f6e175436d8b04bf2e4af045f01f56