[INFO] fetching crate message_bus 0.1.0...
[INFO] testing message_bus-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate message_bus 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate message_bus 0.1.0
[INFO] finished tweaking crates.io crate message_bus 0.1.0
[INFO] tweaked toml for crates.io crate message_bus 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate message_bus 0.1.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 4c1c588123fbc8502012cf398c5636ea98aeda03bffdf2cc7f33748d45cdc4ae
[INFO] running `Command { std: "docker" "start" "-a" "4c1c588123fbc8502012cf398c5636ea98aeda03bffdf2cc7f33748d45cdc4ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c1c588123fbc8502012cf398c5636ea98aeda03bffdf2cc7f33748d45cdc4ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c1c588123fbc8502012cf398c5636ea98aeda03bffdf2cc7f33748d45cdc4ae", kill_on_drop: false }`
[INFO] [stdout] 4c1c588123fbc8502012cf398c5636ea98aeda03bffdf2cc7f33748d45cdc4ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 3c36316bacaacd455037a97f6eeda5579422a964c21420dc36d650750f55bcd0
[INFO] running `Command { std: "docker" "start" "-a" "3c36316bacaacd455037a97f6eeda5579422a964c21420dc36d650750f55bcd0", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling message_bus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/message_bus.rs:79:69
[INFO] [stdout]    |
[INFO] [stdout] 79 |                         self.output_sender.send(v.message).unwrap();;
[INFO] [stdout]    |                                                                     ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/main.rs:10:68
[INFO] [stdout]    |
[INFO] [stdout] 10 |         bus.sender.send(Message::<i32>::new(i, i as u64)).unwrap();;
[INFO] [stdout]    |                                                                    ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "3c36316bacaacd455037a97f6eeda5579422a964c21420dc36d650750f55bcd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c36316bacaacd455037a97f6eeda5579422a964c21420dc36d650750f55bcd0", kill_on_drop: false }`
[INFO] [stdout] 3c36316bacaacd455037a97f6eeda5579422a964c21420dc36d650750f55bcd0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] edcb976f4b617a00e7ef6129dbe7b7c6c5bbf1d8e7f9d4c2dbd1f9c4e3a2fab1
[INFO] running `Command { std: "docker" "start" "-a" "edcb976f4b617a00e7ef6129dbe7b7c6c5bbf1d8e7f9d4c2dbd1f9c4e3a2fab1", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling message_bus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/message_bus.rs:79:69
[INFO] [stdout]    |
[INFO] [stdout] 79 |                         self.output_sender.send(v.message).unwrap();;
[INFO] [stdout]    |                                                                     ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/message_bus.rs:79:69
[INFO] [stdout]    |
[INFO] [stdout] 79 |                         self.output_sender.send(v.message).unwrap();;
[INFO] [stdout]    |                                                                     ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/main.rs:10:68
[INFO] [stdout]    |
[INFO] [stdout] 10 |         bus.sender.send(Message::<i32>::new(i, i as u64)).unwrap();;
[INFO] [stdout]    |                                                                    ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "edcb976f4b617a00e7ef6129dbe7b7c6c5bbf1d8e7f9d4c2dbd1f9c4e3a2fab1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edcb976f4b617a00e7ef6129dbe7b7c6c5bbf1d8e7f9d4c2dbd1f9c4e3a2fab1", kill_on_drop: false }`
[INFO] [stdout] edcb976f4b617a00e7ef6129dbe7b7c6c5bbf1d8e7f9d4c2dbd1f9c4e3a2fab1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] ea04525989c3ddf86a46f90725f089bef574382342e4b5d8705b06502b3258f5
[INFO] running `Command { std: "docker" "start" "-a" "ea04525989c3ddf86a46f90725f089bef574382342e4b5d8705b06502b3258f5", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling message_bus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/message_bus.rs:79:69
[INFO] [stderr]    |
[INFO] [stderr] 79 |                         self.output_sender.send(v.message).unwrap();;
[INFO] [stderr]    |                                                                     ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `message_bus` (lib) generated 1 warning (1 duplicate)
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/main.rs:10:68
[INFO] [stderr]    |
[INFO] [stderr] 10 |         bus.sender.send(Message::<i32>::new(i, i as u64)).unwrap();;
[INFO] [stderr]    |                                                                    ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `message_bus` (bin "message_bus" test) generated 1 warning
[INFO] [stderr] warning: `message_bus` (lib test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/message_bus-dbf3c22161e5481b)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test message_bus::check_buffer_index_for_times_is_calculated_correctly ... ok
[INFO] [stdout] test message_bus::check_messages_are_returned_at_correct_time ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/message_bus-e77d551a82a1e4fa)
[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] [stderr]    Doc-tests message_bus
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/message_bus.rs:79:69
[INFO] [stderr]    |
[INFO] [stderr] 79 |                         self.output_sender.send(v.message).unwrap();;
[INFO] [stderr]    |                                                                     ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[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" "ea04525989c3ddf86a46f90725f089bef574382342e4b5d8705b06502b3258f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea04525989c3ddf86a46f90725f089bef574382342e4b5d8705b06502b3258f5", kill_on_drop: false }`
[INFO] [stdout] ea04525989c3ddf86a46f90725f089bef574382342e4b5d8705b06502b3258f5