[INFO] fetching crate ripb 0.3.1... [INFO] testing ripb-0.3.1 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate ripb 0.3.1 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate ripb 0.3.1 [INFO] finished tweaking crates.io crate ripb 0.3.1 [INFO] tweaked toml for crates.io crate ripb 0.3.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate ripb 0.3.1 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] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 9 packages to latest compatible versions [INFO] [stderr] Adding crossbeam-channel v0.3.9 (available: v0.5.15) [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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c6eea8f88a121c9e41ce3ddeabd2968a074c80a0279a8291d0532ef29d35090a [INFO] running `Command { std: "docker" "start" "-a" "c6eea8f88a121c9e41ce3ddeabd2968a074c80a0279a8291d0532ef29d35090a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c6eea8f88a121c9e41ce3ddeabd2968a074c80a0279a8291d0532ef29d35090a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c6eea8f88a121c9e41ce3ddeabd2968a074c80a0279a8291d0532ef29d35090a", kill_on_drop: false }` [INFO] [stdout] c6eea8f88a121c9e41ce3ddeabd2968a074c80a0279a8291d0532ef29d35090a [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=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] 49965d91fa6b2c82b7862e929ffed96a519ac135d83b3304725bea145d83a1f8 [INFO] running `Command { std: "docker" "start" "-a" "49965d91fa6b2c82b7862e929ffed96a519ac135d83b3304725bea145d83a1f8", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.6.6 [INFO] [stderr] Compiling crossbeam-channel v0.3.9 [INFO] [stderr] Compiling ripb v0.3.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:123:31 [INFO] [stdout] | [INFO] [stdout] 123 | let message = Any::downcast_ref::(&**payload) [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 123 | let message = ::downcast_ref::(&**payload) [INFO] [stdout] | ++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:807:9 [INFO] [stdout] | [INFO] [stdout] 807 | &self, [INFO] [stdout] | ^^^^^ the lifetime is elided here [INFO] [stdout] 808 | callback: F, [INFO] [stdout] 809 | ) -> Result [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 809 | ) -> Result, DeadBusError> [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.27s [INFO] running `Command { std: "docker" "inspect" "49965d91fa6b2c82b7862e929ffed96a519ac135d83b3304725bea145d83a1f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "49965d91fa6b2c82b7862e929ffed96a519ac135d83b3304725bea145d83a1f8", kill_on_drop: false }` [INFO] [stdout] 49965d91fa6b2c82b7862e929ffed96a519ac135d83b3304725bea145d83a1f8 [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=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] aad3df4b86166c03bb9a3cb7d69fa9e896225fb8bcee89f8ce1bb6499bf8772a [INFO] running `Command { std: "docker" "start" "-a" "aad3df4b86166c03bb9a3cb7d69fa9e896225fb8bcee89f8ce1bb6499bf8772a", kill_on_drop: false }` [INFO] [stderr] Compiling bencher v0.1.5 [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:123:31 [INFO] [stdout] | [INFO] [stdout] 123 | let message = Any::downcast_ref::(&**payload) [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 123 | let message = ::downcast_ref::(&**payload) [INFO] [stdout] | ++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:807:9 [INFO] [stdout] | [INFO] [stdout] 807 | &self, [INFO] [stdout] | ^^^^^ the lifetime is elided here [INFO] [stdout] 808 | callback: F, [INFO] [stdout] 809 | ) -> Result [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 809 | ) -> Result, DeadBusError> [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling ripb v0.3.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:123:31 [INFO] [stdout] | [INFO] [stdout] 123 | let message = Any::downcast_ref::(&**payload) [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 123 | let message = ::downcast_ref::(&**payload) [INFO] [stdout] | ++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:807:9 [INFO] [stdout] | [INFO] [stdout] 807 | &self, [INFO] [stdout] | ^^^^^ the lifetime is elided here [INFO] [stdout] 808 | callback: F, [INFO] [stdout] 809 | ) -> Result [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 809 | ) -> Result, DeadBusError> [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 2.66s [INFO] running `Command { std: "docker" "inspect" "aad3df4b86166c03bb9a3cb7d69fa9e896225fb8bcee89f8ce1bb6499bf8772a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aad3df4b86166c03bb9a3cb7d69fa9e896225fb8bcee89f8ce1bb6499bf8772a", kill_on_drop: false }` [INFO] [stdout] aad3df4b86166c03bb9a3cb7d69fa9e896225fb8bcee89f8ce1bb6499bf8772a [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=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] aceb4f55537fd2b66b573192904fa0ba7899410636d28aeddf14c4b4366b237b [INFO] running `Command { std: "docker" "start" "-a" "aceb4f55537fd2b66b573192904fa0ba7899410636d28aeddf14c4b4366b237b", kill_on_drop: false }` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:123:31 [INFO] [stderr] | [INFO] [stderr] 123 | let message = Any::downcast_ref::(&**payload) [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 123 | let message = ::downcast_ref::(&**payload) [INFO] [stderr] | ++++ + [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:807:9 [INFO] [stderr] | [INFO] [stderr] 807 | &self, [INFO] [stderr] | ^^^^^ the lifetime is elided here [INFO] [stderr] 808 | callback: F, [INFO] [stderr] 809 | ) -> Result [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 809 | ) -> Result, DeadBusError> [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: `ripb` (lib) generated 2 warnings (run `cargo fix --lib -p ripb` to apply 2 suggestions) [INFO] [stderr] warning: `ripb` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ripb-a32c0b20e6e2870d) [INFO] [stdout] [INFO] [stdout] running 12 tests [INFO] [stdout] test tests::can_drop_the_bus_while_it_is_still_working ... ok [INFO] [stdout] test tests::can_register_multiple_message_handlers_for_the_same_message_on_a_single_receiver ... ok [INFO] [stdout] test tests::can_send_a_simple_message_to_2_subscribers ... ok [INFO] [stdout] test tests::can_send_simple_messages_to_a_subscriber_from_multiple_threads ... ok [INFO] [stdout] test tests::can_send_a_complex_message_to_a_subscriber ... ok [INFO] [stdout] test tests::no_busyloop ... ignored [INFO] [stdout] test tests::can_send_a_simple_message_to_a_subscriber ... ok [INFO] [stdout] test tests::can_send_simple_messages_to_a_subscriber_from_cloned_instance ... ok [INFO] [stdout] test tests::dropping_subscribers_drops_the_corresponding_subscription ... ok [INFO] [stdout] test tests::can_unsubscribe_callbacks ... ok [INFO] [stderr] Doc-tests ripb [INFO] [stdout] test tests::subscriber_on_a_dropped_bus_should_generate_dead_bus_error_on_subscribe ... ok [INFO] [stdout] test tests::cannot_receive_messages_in_a_dropped_subscriber ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 11 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.04s [INFO] [stdout] [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" "aceb4f55537fd2b66b573192904fa0ba7899410636d28aeddf14c4b4366b237b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aceb4f55537fd2b66b573192904fa0ba7899410636d28aeddf14c4b4366b237b", kill_on_drop: false }` [INFO] [stdout] aceb4f55537fd2b66b573192904fa0ba7899410636d28aeddf14c4b4366b237b