[INFO] fetching crate mqb 0.4.0...
[INFO] testing mqb-0.4.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate mqb 0.4.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate mqb 0.4.0
[INFO] finished tweaking crates.io crate mqb 0.4.0
[INFO] tweaked toml for crates.io crate mqb 0.4.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mqb 0.4.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mqb 0.4.0 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54292fc44d11b2cee4b93fd49650506022d7b69066d7c6bdba2f7bc90b7fd332
[INFO] running `Command { std: "docker" "start" "-a" "54292fc44d11b2cee4b93fd49650506022d7b69066d7c6bdba2f7bc90b7fd332", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54292fc44d11b2cee4b93fd49650506022d7b69066d7c6bdba2f7bc90b7fd332", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54292fc44d11b2cee4b93fd49650506022d7b69066d7c6bdba2f7bc90b7fd332", kill_on_drop: false }`
[INFO] [stdout] 54292fc44d11b2cee4b93fd49650506022d7b69066d7c6bdba2f7bc90b7fd332
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f10de989749b0b256706d915148b72d56971d4c39b2c10bd3a9c7c15b6eb9069
[INFO] running `Command { std: "docker" "start" "-a" "f10de989749b0b256706d915148b72d56971d4c39b2c10bd3a9c7c15b6eb9069", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling thiserror v2.0.16
[INFO] [stderr]    Compiling sdd v4.1.1
[INFO] [stderr]    Compiling saa v4.3.2
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling scc v3.1.2
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling thiserror-impl v2.0.16
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling mqb v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.29s
[INFO] running `Command { std: "docker" "inspect" "f10de989749b0b256706d915148b72d56971d4c39b2c10bd3a9c7c15b6eb9069", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f10de989749b0b256706d915148b72d56971d4c39b2c10bd3a9c7c15b6eb9069", kill_on_drop: false }`
[INFO] [stdout] f10de989749b0b256706d915148b72d56971d4c39b2c10bd3a9c7c15b6eb9069
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d2463e5185523014fe538ebbbcf94e69a517740f06885b7106db5495ee8106c
[INFO] running `Command { std: "docker" "start" "-a" "9d2463e5185523014fe538ebbbcf94e69a517740f06885b7106db5495ee8106c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling serde_core v1.0.227
[INFO] [stderr]    Compiling serde v1.0.227
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling serde_derive v1.0.227
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling clap_builder v4.5.48
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling criterion-plot v0.6.0
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling futures-test v0.3.31
[INFO] [stderr]    Compiling easy-parallel v3.3.1
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling mqb v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling clap v4.5.48
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.7.0
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 25.53s
[INFO] running `Command { std: "docker" "inspect" "9d2463e5185523014fe538ebbbcf94e69a517740f06885b7106db5495ee8106c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d2463e5185523014fe538ebbbcf94e69a517740f06885b7106db5495ee8106c", kill_on_drop: false }`
[INFO] [stdout] 9d2463e5185523014fe538ebbbcf94e69a517740f06885b7106db5495ee8106c
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 08649fd3eb7976d20e48296d685eeda0dc202bd8b500ed75e54e59fdff87e52e
[INFO] running `Command { std: "docker" "start" "-a" "08649fd3eb7976d20e48296d685eeda0dc202bd8b500ed75e54e59fdff87e52e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mqb-1e6f9b8915c808c1)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test tests::bounded ... ok
[INFO] [stdout] test tests::bounded_stream ... ok
[INFO] [stdout] test tests::check_bounds ... ok
[INFO] [stdout] test tests::bounded_blocking ... ok
[INFO] [stdout] test tests::close ... ok
[INFO] [stdout] test tests::close_for ... ok
[INFO] [stdout] test tests::sub_unsub ... ok
[INFO] [stdout] test tests::unbounded ... ok
[INFO] [stdout] test tests::unbounded_blocking ... ok
[INFO] [stdout] test tests::unbounded_stream ... ok
[INFO] [stdout] test tests::unbounded_parallel ... ok
[INFO] [stdout] test tests::unbounded_parallel_stream ... ok
[INFO] [stdout] test tests::unbounded_parallel_blocking ... ok
[INFO] [stdout] test tests::bounded_parallel_blocking ... ok
[INFO] [stdout] test tests::bounded_parallel_stream ... ok
[INFO] [stdout] test tests::bounded_parallel ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 9.53s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mqb
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test src/lib.rs - MessageQueueBroker<T,M>::send (line 253) ... ok
[INFO] [stdout] test src/lib.rs - MessageQueueBroker<T,M>::send (line 277) ... ok
[INFO] [stdout] test src/lib.rs - MessageQueueBroker<T,M>::send (line 240) ... ok
[INFO] [stdout] test src/lib.rs - MessageQueueBroker<T,M>::try_send (line 215) ... ok
[INFO] [stdout] test src/lib.rs - Subscriber<T,M>::is_empty (line 747) ... ok
[INFO] [stdout] test src/lib.rs - MessageQueueBroker<T,M>::send_blocking (line 342) ... ok
[INFO] [stdout] test src/lib.rs - MessageQueueBroker<T,M>::send_blocking (line 322) ... ok
[INFO] [stdout] test src/lib.rs - Subscriber<T,M>::tag (line 907) ... ok
[INFO] [stdout] test src/lib.rs - MessageQueueBroker<T,M>::send_blocking (line 331) ... ok
[INFO] [stdout] test src/lib.rs - MessageQueueBroker<T,M>::try_send (line 204) ... ok
[INFO] [stdout] test src/lib.rs - Subscriber<T,M>::recv (line 814) ... ok
[INFO] [stdout] test src/lib.rs - Subscriber<T,M>::try_recv (line 775) ... ok
[INFO] [stdout] test src/lib.rs - Subscriber<T,M>::len (line 727) ... ok
[INFO] [stdout] test src/lib.rs - Subscriber<T,M>::recv (line 827) ... ok
[INFO] [stdout] test src/lib.rs - MessageQueueBroker<T,M>::try_send (line 184) ... ok
[INFO] [stdout] test src/lib.rs - MessageQueueBroker<T,M>::send (line 264) ... ok
[INFO] [stdout] test src/lib.rs - MessageQueueBroker<T,M>::try_send (line 195) ... ok
[INFO] [stdout] test src/lib.rs - Subscriber<T,M>::try_recv (line 786) ... ok
[INFO] [stdout] test src/lib.rs - MessageQueueBroker<T,M>::send_blocking (line 311) ... ok
[INFO] [stdout] test src/lib.rs - Subscriber<T,M>::recv_blocking (line 889) ... ok
[INFO] [stdout] test src/lib.rs - Subscriber<T,M>::recv_blocking (line 867) ... ok
[INFO] [stdout] test src/lib.rs - (line 13) ... ok
[INFO] [stdout] test src/lib.rs - Subscriber<T,M>::recv_blocking (line 878) ... ok
[INFO] [stdout] test src/lib.rs - Subscriber<T,M>::try_recv (line 797) ... ok
[INFO] [stdout] test src/lib.rs - Subscriber<T,M>::recv (line 840) ... ok
[INFO] [stdout] test src/lib.rs - (line 45) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 1.67s; merged doctests compilation took 1.56s
[INFO] running `Command { std: "docker" "inspect" "08649fd3eb7976d20e48296d685eeda0dc202bd8b500ed75e54e59fdff87e52e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08649fd3eb7976d20e48296d685eeda0dc202bd8b500ed75e54e59fdff87e52e", kill_on_drop: false }`
[INFO] [stdout] 08649fd3eb7976d20e48296d685eeda0dc202bd8b500ed75e54e59fdff87e52e