[INFO] fetching crate spmc 0.3.0... [INFO] testing spmc-0.3.0 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate spmc 0.3.0 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate spmc 0.3.0 [INFO] finished tweaking crates.io crate spmc 0.3.0 [INFO] tweaked toml for crates.io crate spmc 0.3.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate spmc 0.3.0 on toolchain beta-2025-10-28 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 13 packages to latest compatible versions [INFO] [stderr] Adding loom v0.2.15 (available: v0.7.2) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 907c56263a3af9f3543188eded0f30810fc33b864fff6a2ff4a0979fbe13243b [INFO] running `Command { std: "docker" "start" "-a" "907c56263a3af9f3543188eded0f30810fc33b864fff6a2ff4a0979fbe13243b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "907c56263a3af9f3543188eded0f30810fc33b864fff6a2ff4a0979fbe13243b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "907c56263a3af9f3543188eded0f30810fc33b864fff6a2ff4a0979fbe13243b", kill_on_drop: false }` [INFO] [stdout] 907c56263a3af9f3543188eded0f30810fc33b864fff6a2ff4a0979fbe13243b [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b962e994e9359120434522ff223437acbbdda5bf60cbf24253a361d6adf86626 [INFO] running `Command { std: "docker" "start" "-a" "b962e994e9359120434522ff223437acbbdda5bf60cbf24253a361d6adf86626", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling spmc v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Ordering` [INFO] [stdout] --> src/loom.rs:5:73 [INFO] [stdout] | [INFO] [stdout] 5 | pub use std::sync::atomic::{AtomicPtr, AtomicBool, AtomicUsize, Ordering}; [INFO] [stdout] | ^^^^^^^^ [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_imports)]` implied by `#[warn(warnings)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s [INFO] running `Command { std: "docker" "inspect" "b962e994e9359120434522ff223437acbbdda5bf60cbf24253a361d6adf86626", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b962e994e9359120434522ff223437acbbdda5bf60cbf24253a361d6adf86626", kill_on_drop: false }` [INFO] [stdout] b962e994e9359120434522ff223437acbbdda5bf60cbf24253a361d6adf86626 [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a975e6181fa5078f20974155cce76884ca341e2247f286647c5c198c045f920f [INFO] running `Command { std: "docker" "start" "-a" "a975e6181fa5078f20974155cce76884ca341e2247f286647c5c198c045f920f", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling scoped-tls v0.1.2 [INFO] [stdout] warning: unused import: `Ordering` [INFO] [stdout] --> src/loom.rs:5:73 [INFO] [stdout] | [INFO] [stdout] 5 | pub use std::sync::atomic::{AtomicPtr, AtomicBool, AtomicUsize, Ordering}; [INFO] [stdout] | ^^^^^^^^ [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_imports)]` implied by `#[warn(warnings)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling generator v0.6.25 [INFO] [stderr] Compiling loom v0.2.15 [INFO] [stderr] Compiling spmc v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Ordering` [INFO] [stdout] --> src/loom.rs:5:73 [INFO] [stdout] | [INFO] [stdout] 5 | pub use std::sync::atomic::{AtomicPtr, AtomicBool, AtomicUsize, Ordering}; [INFO] [stdout] | ^^^^^^^^ [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_imports)]` implied by `#[warn(warnings)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> tests/fuzz.rs:75:17 [INFO] [stdout] | [INFO] [stdout] 75 | drop(cnt); [INFO] [stdout] | ^^^^^---^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `i32` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 75 - drop(cnt); [INFO] [stdout] 75 + let _ = cnt; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 3.57s [INFO] running `Command { std: "docker" "inspect" "a975e6181fa5078f20974155cce76884ca341e2247f286647c5c198c045f920f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a975e6181fa5078f20974155cce76884ca341e2247f286647c5c198c045f920f", kill_on_drop: false }` [INFO] [stdout] a975e6181fa5078f20974155cce76884ca341e2247f286647c5c198c045f920f [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] c77555b88c6a370de294e2f63f3a813964896e5c06e9fa842d39eed642c8b6ee [INFO] running `Command { std: "docker" "start" "-a" "c77555b88c6a370de294e2f63f3a813964896e5c06e9fa842d39eed642c8b6ee", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: unused import: `Ordering` [INFO] [stderr] --> src/loom.rs:5:73 [INFO] [stderr] | [INFO] [stderr] 5 | pub use std::sync::atomic::{AtomicPtr, AtomicBool, AtomicUsize, Ordering}; [INFO] [stderr] | ^^^^^^^^ [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_imports)]` implied by `#[warn(warnings)]` [INFO] [stderr] [INFO] [stderr] warning: `spmc` (lib) generated 1 warning (run `cargo fix --lib -p spmc` to apply 1 suggestion) [INFO] [stderr] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stderr] --> tests/fuzz.rs:75:17 [INFO] [stderr] | [INFO] [stderr] 75 | drop(cnt); [INFO] [stderr] | ^^^^^---^ [INFO] [stderr] | | [INFO] [stderr] | argument has type `i32` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the expression or result [INFO] [stderr] | [INFO] [stderr] 75 - drop(cnt); [INFO] [stderr] 75 + let _ = cnt; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `spmc` (test "fuzz") generated 1 warning [INFO] [stderr] warning: `spmc` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/spmc-4a59490ce3951688) [INFO] [stdout] [INFO] [stdout] running 10 tests [INFO] [stdout] test tests::msg_dropped ... ok [INFO] [stdout] test tests::msgs_dropped ... ok [INFO] [stdout] test tests::test_sanity ... ok [INFO] [stdout] test tests::test_send_on_dropped_chan ... ok [INFO] [stdout] test tests::test_recv_unblocks_on_dropped_chan ... ok [INFO] [stdout] test tests::test_try_recv_on_dropped_chan ... ok [INFO] [stdout] test tests::test_recv_blocks ... ok [INFO] [stdout] test tests::test_multiple_consumers ... ok [INFO] [stdout] test tests::test_tx_dropped_rxs_drain ... ok [INFO] [stderr] Running tests/fuzz.rs (/opt/rustwide/target/debug/deps/fuzz-31e5dbe6919528ef) [INFO] [stdout] test tests::test_send_sleep ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.50s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test no_send ... ok [INFO] [stdout] test smoke ... ok [INFO] [stdout] test extra_message has been running for over 60 seconds [INFO] [stdout] test message_per_thread has been running for over 60 seconds [INFO] [stdout] test multiple_threads_race has been running for over 60 seconds [ERROR] error running command: no output for 300 seconds [INFO] running `Command { std: "docker" "inspect" "c77555b88c6a370de294e2f63f3a813964896e5c06e9fa842d39eed642c8b6ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c77555b88c6a370de294e2f63f3a813964896e5c06e9fa842d39eed642c8b6ee", kill_on_drop: false }` [INFO] [stdout] c77555b88c6a370de294e2f63f3a813964896e5c06e9fa842d39eed642c8b6ee