[INFO] fetching crate sink-splitter 0.1.0... [INFO] testing sink-splitter-0.1.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate sink-splitter 0.1.0 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate sink-splitter 0.1.0 [INFO] finished tweaking crates.io crate sink-splitter 0.1.0 [INFO] tweaked toml for crates.io crate sink-splitter 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate sink-splitter 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] [stderr] Updating crates.io index [INFO] [stderr] Locking 2 packages to latest compatible versions [INFO] [stderr] Adding futures v0.1.31 (available: v0.3.31) [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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 4405e8f06e6deef341c187ab46e3545b873f2feeb5795bfa4d9f23d9fd814a14 [INFO] running `Command { std: "docker" "start" "-a" "4405e8f06e6deef341c187ab46e3545b873f2feeb5795bfa4d9f23d9fd814a14", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4405e8f06e6deef341c187ab46e3545b873f2feeb5795bfa4d9f23d9fd814a14", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4405e8f06e6deef341c187ab46e3545b873f2feeb5795bfa4d9f23d9fd814a14", kill_on_drop: false }` [INFO] [stdout] 4405e8f06e6deef341c187ab46e3545b873f2feeb5795bfa4d9f23d9fd814a14 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 3b3a0d8cf05e35e739ccb2a995f2befd1419054d82f877a9dd49918ee5e47493 [INFO] running `Command { std: "docker" "start" "-a" "3b3a0d8cf05e35e739ccb2a995f2befd1419054d82f877a9dd49918ee5e47493", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling sink-splitter v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:102:19 [INFO] [stdout] | [INFO] [stdout] 102 | for (key, mut sink) in &mut self.inner.borrow_mut().sinks { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:1:9 [INFO] [stdout] | [INFO] [stdout] 1 | #![deny(warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[warn(unused_mut)]` implied by `#[warn(warnings)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:133:19 [INFO] [stdout] | [INFO] [stdout] 133 | for (key, mut sink) in &mut self.inner.borrow_mut().sinks { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s [INFO] running `Command { std: "docker" "inspect" "3b3a0d8cf05e35e739ccb2a995f2befd1419054d82f877a9dd49918ee5e47493", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3b3a0d8cf05e35e739ccb2a995f2befd1419054d82f877a9dd49918ee5e47493", kill_on_drop: false }` [INFO] [stdout] 3b3a0d8cf05e35e739ccb2a995f2befd1419054d82f877a9dd49918ee5e47493 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 618af154096da39ff209ba3fae9c68724880250c6e9ccf32e71a3dc91f37babc [INFO] running `Command { std: "docker" "start" "-a" "618af154096da39ff209ba3fae9c68724880250c6e9ccf32e71a3dc91f37babc", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling error-test-sinks v0.1.1 [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:102:19 [INFO] [stdout] | [INFO] [stdout] 102 | for (key, mut sink) in &mut self.inner.borrow_mut().sinks { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:1:9 [INFO] [stdout] | [INFO] [stdout] 1 | #![deny(warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[warn(unused_mut)]` implied by `#[warn(warnings)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:133:19 [INFO] [stdout] | [INFO] [stdout] 133 | for (key, mut sink) in &mut self.inner.borrow_mut().sinks { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling sink-splitter v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:102:19 [INFO] [stdout] | [INFO] [stdout] 102 | for (key, mut sink) in &mut self.inner.borrow_mut().sinks { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:1:9 [INFO] [stdout] | [INFO] [stdout] 1 | #![deny(warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[warn(unused_mut)]` implied by `#[warn(warnings)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:133:19 [INFO] [stdout] | [INFO] [stdout] 133 | for (key, mut sink) in &mut self.inner.borrow_mut().sinks { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.65s [INFO] running `Command { std: "docker" "inspect" "618af154096da39ff209ba3fae9c68724880250c6e9ccf32e71a3dc91f37babc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "618af154096da39ff209ba3fae9c68724880250c6e9ccf32e71a3dc91f37babc", kill_on_drop: false }` [INFO] [stdout] 618af154096da39ff209ba3fae9c68724880250c6e9ccf32e71a3dc91f37babc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 3fe62208152f1bed7158a79fa04001687c2239f183f8d9da7a651de9231696d0 [INFO] running `Command { std: "docker" "start" "-a" "3fe62208152f1bed7158a79fa04001687c2239f183f8d9da7a651de9231696d0", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:102:19 [INFO] [stderr] | [INFO] [stderr] 102 | for (key, mut sink) in &mut self.inner.borrow_mut().sinks { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] note: the lint level is defined here [INFO] [stderr] --> src/lib.rs:1:9 [INFO] [stderr] | [INFO] [stderr] 1 | #![deny(warnings)] [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] = note: `#[warn(unused_mut)]` implied by `#[warn(warnings)]` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:133:19 [INFO] [stderr] | [INFO] [stderr] 133 | for (key, mut sink) in &mut self.inner.borrow_mut().sinks { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: `sink-splitter` (lib) generated 2 warnings (run `cargo fix --lib -p sink-splitter` to apply 2 suggestions) [INFO] [stderr] warning: `sink-splitter` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sink_splitter-23b4ec7c8f36cae0) [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test test::basic ... ok [INFO] [stdout] test test::test_error_output_sink_does_not_exist ... ok [INFO] [stdout] test test::test_error_output_sink_close ... ok [INFO] [stdout] test test::test_error_output_sink_poll_complete ... ok [INFO] [stdout] test test::test_error_output_sink_start_send ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Doc-tests sink_splitter [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 9) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.30s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "3fe62208152f1bed7158a79fa04001687c2239f183f8d9da7a651de9231696d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3fe62208152f1bed7158a79fa04001687c2239f183f8d9da7a651de9231696d0", kill_on_drop: false }` [INFO] [stdout] 3fe62208152f1bed7158a79fa04001687c2239f183f8d9da7a651de9231696d0