[INFO] fetching crate spmc 0.3.0...
[INFO] testing spmc-0.3.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate spmc 0.3.0 into /workspace/builds/worker-5-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-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate spmc 0.3.0 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 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-2025-09-21" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 35f6bf7f3c0ed3aa108d5417a7b8a2a93e6dbbd7a6b4e83977ebfe7635e3e691
[INFO] running `Command { std: "docker" "start" "-a" "35f6bf7f3c0ed3aa108d5417a7b8a2a93e6dbbd7a6b4e83977ebfe7635e3e691", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35f6bf7f3c0ed3aa108d5417a7b8a2a93e6dbbd7a6b4e83977ebfe7635e3e691", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35f6bf7f3c0ed3aa108d5417a7b8a2a93e6dbbd7a6b4e83977ebfe7635e3e691", kill_on_drop: false }`
[INFO] [stdout] 35f6bf7f3c0ed3aa108d5417a7b8a2a93e6dbbd7a6b4e83977ebfe7635e3e691
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 314b2c1bbdc2d9b5afa9eafa17b628ded7eb1739c2bb76064b3a2733758086e3
[INFO] running `Command { std: "docker" "start" "-a" "314b2c1bbdc2d9b5afa9eafa17b628ded7eb1739c2bb76064b3a2733758086e3", 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 0.15s
[INFO] running `Command { std: "docker" "inspect" "314b2c1bbdc2d9b5afa9eafa17b628ded7eb1739c2bb76064b3a2733758086e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "314b2c1bbdc2d9b5afa9eafa17b628ded7eb1739c2bb76064b3a2733758086e3", kill_on_drop: false }`
[INFO] [stdout] 314b2c1bbdc2d9b5afa9eafa17b628ded7eb1739c2bb76064b3a2733758086e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 5f9b0e0667fe85938154b24e012487e55de466fb9ef2c614c70e7663ec5561b2
[INFO] running `Command { std: "docker" "start" "-a" "5f9b0e0667fe85938154b24e012487e55de466fb9ef2c614c70e7663ec5561b2", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling cfg-if v0.1.10
[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 3.40s
[INFO] running `Command { std: "docker" "inspect" "5f9b0e0667fe85938154b24e012487e55de466fb9ef2c614c70e7663ec5561b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f9b0e0667fe85938154b24e012487e55de466fb9ef2c614c70e7663ec5561b2", kill_on_drop: false }`
[INFO] [stdout] 5f9b0e0667fe85938154b24e012487e55de466fb9ef2c614c70e7663ec5561b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] f7f8b715f7b60aafcc7c7e83eed0c6049ae053719c9f132c52e7d09d14891029
[INFO] running `Command { std: "docker" "start" "-a" "f7f8b715f7b60aafcc7c7e83eed0c6049ae053719c9f132c52e7d09d14891029", 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 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/spmc-b1b8d09bf3533aad)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tests::msgs_dropped ... ok
[INFO] [stdout] test tests::msg_dropped ... ok
[INFO] [stdout] test tests::test_recv_blocks ... ok
[INFO] [stdout] test tests::test_recv_unblocks_on_dropped_chan ... ok
[INFO] [stdout] test tests::test_sanity ... ok
[INFO] [stdout] test tests::test_send_on_dropped_chan ... ok
[INFO] [stdout] test tests::test_try_recv_on_dropped_chan ... ok
[INFO] [stdout] test tests::test_multiple_consumers ... ok
[INFO] [stdout] test tests::test_tx_dropped_rxs_drain ... ok
[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 0.51s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/fuzz.rs (/opt/rustwide/target/debug/deps/fuzz-7a6582f957849470)
[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" "f7f8b715f7b60aafcc7c7e83eed0c6049ae053719c9f132c52e7d09d14891029", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7f8b715f7b60aafcc7c7e83eed0c6049ae053719c9f132c52e7d09d14891029", kill_on_drop: false }`
[INFO] [stdout] f7f8b715f7b60aafcc7c7e83eed0c6049ae053719c9f132c52e7d09d14891029
