[INFO] fetching crate secc 0.0.10...
[INFO] testing secc-0.0.10 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate secc 0.0.10 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate secc 0.0.10
[INFO] finished tweaking crates.io crate secc 0.0.10
[INFO] tweaked toml for crates.io crate secc 0.0.10 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate secc 0.0.10 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 8fd055aefd1fa60c2c7c3580b5b4cba79c055ca062e18f860cd501c9c408a2e8
[INFO] running `Command { std: "docker" "start" "-a" "8fd055aefd1fa60c2c7c3580b5b4cba79c055ca062e18f860cd501c9c408a2e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8fd055aefd1fa60c2c7c3580b5b4cba79c055ca062e18f860cd501c9c408a2e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fd055aefd1fa60c2c7c3580b5b4cba79c055ca062e18f860cd501c9c408a2e8", kill_on_drop: false }`
[INFO] [stdout] 8fd055aefd1fa60c2c7c3580b5b4cba79c055ca062e18f860cd501c9c408a2e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 59f39f0b4e1a5337662eaa6ab7212439d798e49dc5c9dacda355b31e943c07ca
[INFO] running `Command { std: "docker" "start" "-a" "59f39f0b4e1a5337662eaa6ab7212439d798e49dc5c9dacda355b31e943c07ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling secc v0.0.10 (/opt/rustwide/workdir)
[INFO] [stdout] warning: non-binding let on a synchronization lock
[INFO] [stdout]    --> src/lib.rs:363:26
[INFO] [stdout]     |
[INFO] [stdout] 363 |                     let (_, result) = condvar.wait_timeout(receive_ptrs, timeout).unwrap();
[INFO] [stdout]     |                          ^ this lock is not assigned to a binding and is immediately dropped
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider immediately dropping the value using `drop(..)` after the `let` statement
[INFO] [stdout]     = note: `#[warn(let_underscore_lock)]` (part of `#[warn(let_underscore)]`) on by default
[INFO] [stdout] help: consider binding to an unused variable to avoid immediately dropping the value
[INFO] [stdout]     |
[INFO] [stdout] 363 |                     let (_unused, result) = condvar.wait_timeout(receive_ptrs, timeout).unwrap();
[INFO] [stdout]     |                           ++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-binding let on a synchronization lock
[INFO] [stdout]    --> src/lib.rs:563:26
[INFO] [stdout]     |
[INFO] [stdout] 563 |                     let (_, result) = condvar.wait_timeout(send_ptrs, timeout).unwrap();
[INFO] [stdout]     |                          ^ this lock is not assigned to a binding and is immediately dropped
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider immediately dropping the value using `drop(..)` after the `let` statement
[INFO] [stdout] help: consider binding to an unused variable to avoid immediately dropping the value
[INFO] [stdout]     |
[INFO] [stdout] 563 |                     let (_unused, result) = condvar.wait_timeout(send_ptrs, timeout).unwrap();
[INFO] [stdout]     |                           ++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "59f39f0b4e1a5337662eaa6ab7212439d798e49dc5c9dacda355b31e943c07ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59f39f0b4e1a5337662eaa6ab7212439d798e49dc5c9dacda355b31e943c07ca", kill_on_drop: false }`
[INFO] [stdout] 59f39f0b4e1a5337662eaa6ab7212439d798e49dc5c9dacda355b31e943c07ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 2b828bf7ac5548b41b7fd8a51c73c5f028d0158c09fb0eee067254d3188a1c2a
[INFO] running `Command { std: "docker" "start" "-a" "2b828bf7ac5548b41b7fd8a51c73c5f028d0158c09fb0eee067254d3188a1c2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling secc v0.0.10 (/opt/rustwide/workdir)
[INFO] [stdout] warning: non-binding let on a synchronization lock
[INFO] [stdout]    --> src/lib.rs:363:26
[INFO] [stdout]     |
[INFO] [stdout] 363 |                     let (_, result) = condvar.wait_timeout(receive_ptrs, timeout).unwrap();
[INFO] [stdout]     |                          ^ this lock is not assigned to a binding and is immediately dropped
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider immediately dropping the value using `drop(..)` after the `let` statement
[INFO] [stdout]     = note: `#[warn(let_underscore_lock)]` (part of `#[warn(let_underscore)]`) on by default
[INFO] [stdout] help: consider binding to an unused variable to avoid immediately dropping the value
[INFO] [stdout]     |
[INFO] [stdout] 363 |                     let (_unused, result) = condvar.wait_timeout(receive_ptrs, timeout).unwrap();
[INFO] [stdout]     |                           ++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-binding let on a synchronization lock
[INFO] [stdout]    --> src/lib.rs:563:26
[INFO] [stdout]     |
[INFO] [stdout] 563 |                     let (_, result) = condvar.wait_timeout(send_ptrs, timeout).unwrap();
[INFO] [stdout]     |                          ^ this lock is not assigned to a binding and is immediately dropped
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider immediately dropping the value using `drop(..)` after the `let` statement
[INFO] [stdout] help: consider binding to an unused variable to avoid immediately dropping the value
[INFO] [stdout]     |
[INFO] [stdout] 563 |                     let (_unused, result) = condvar.wait_timeout(send_ptrs, timeout).unwrap();
[INFO] [stdout]     |                           ++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-binding let on a synchronization lock
[INFO] [stdout]    --> src/lib.rs:363:26
[INFO] [stdout]     |
[INFO] [stdout] 363 |                     let (_, result) = condvar.wait_timeout(receive_ptrs, timeout).unwrap();
[INFO] [stdout]     |                          ^ this lock is not assigned to a binding and is immediately dropped
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider immediately dropping the value using `drop(..)` after the `let` statement
[INFO] [stdout]     = note: `#[warn(let_underscore_lock)]` (part of `#[warn(let_underscore)]`) on by default
[INFO] [stdout] help: consider binding to an unused variable to avoid immediately dropping the value
[INFO] [stdout]     |
[INFO] [stdout] 363 |                     let (_unused, result) = condvar.wait_timeout(receive_ptrs, timeout).unwrap();
[INFO] [stdout]     |                           ++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-binding let on a synchronization lock
[INFO] [stdout]    --> src/lib.rs:563:26
[INFO] [stdout]     |
[INFO] [stdout] 563 |                     let (_, result) = condvar.wait_timeout(send_ptrs, timeout).unwrap();
[INFO] [stdout]     |                          ^ this lock is not assigned to a binding and is immediately dropped
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider immediately dropping the value using `drop(..)` after the `let` statement
[INFO] [stdout] help: consider binding to an unused variable to avoid immediately dropping the value
[INFO] [stdout]     |
[INFO] [stdout] 563 |                     let (_unused, result) = condvar.wait_timeout(send_ptrs, timeout).unwrap();
[INFO] [stdout]     |                           ++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "2b828bf7ac5548b41b7fd8a51c73c5f028d0158c09fb0eee067254d3188a1c2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b828bf7ac5548b41b7fd8a51c73c5f028d0158c09fb0eee067254d3188a1c2a", kill_on_drop: false }`
[INFO] [stdout] 2b828bf7ac5548b41b7fd8a51c73c5f028d0158c09fb0eee067254d3188a1c2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 698d12e28ec35b0a0dc70b4d87f7e7d9fcd97b6d4cc25cd3662c44dc20484e2f
[INFO] running `Command { std: "docker" "start" "-a" "698d12e28ec35b0a0dc70b4d87f7e7d9fcd97b6d4cc25cd3662c44dc20484e2f", kill_on_drop: false }`
[INFO] [stderr] warning: non-binding let on a synchronization lock
[INFO] [stderr]    --> src/lib.rs:363:26
[INFO] [stderr]     |
[INFO] [stderr] 363 |                     let (_, result) = condvar.wait_timeout(receive_ptrs, timeout).unwrap();
[INFO] [stderr]     |                          ^ this lock is not assigned to a binding and is immediately dropped
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider immediately dropping the value using `drop(..)` after the `let` statement
[INFO] [stderr]     = note: `#[warn(let_underscore_lock)]` (part of `#[warn(let_underscore)]`) on by default
[INFO] [stderr] help: consider binding to an unused variable to avoid immediately dropping the value
[INFO] [stderr]     |
[INFO] [stderr] 363 |                     let (_unused, result) = condvar.wait_timeout(receive_ptrs, timeout).unwrap();
[INFO] [stderr]     |                           ++++++
[INFO] [stderr] 
[INFO] [stderr] warning: non-binding let on a synchronization lock
[INFO] [stderr]    --> src/lib.rs:563:26
[INFO] [stderr]     |
[INFO] [stderr] 563 |                     let (_, result) = condvar.wait_timeout(send_ptrs, timeout).unwrap();
[INFO] [stderr]     |                          ^ this lock is not assigned to a binding and is immediately dropped
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider immediately dropping the value using `drop(..)` after the `let` statement
[INFO] [stderr] help: consider binding to an unused variable to avoid immediately dropping the value
[INFO] [stderr]     |
[INFO] [stderr] 563 |                     let (_unused, result) = condvar.wait_timeout(send_ptrs, timeout).unwrap();
[INFO] [stderr]     |                           ++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `secc` (lib) generated 2 warnings (run `cargo fix --lib -p secc` to apply 2 suggestions)
[INFO] [stderr] warning: `secc` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/secc-7f258094199a66b7)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test tests::test_clone_with_unclonable ... ok
[INFO] [stdout] test tests::test_pop_after_peek ... ok
[INFO] [stdout] test tests::test_peek_empty ... ok
[INFO] [stdout] test tests::test_pop_while_peeking ... ok
[INFO] [stdout] test tests::test_receive_before_send ... ok
[INFO] [stdout] test tests::test_send_and_receive ... ok
[INFO] [stdout] test tests::test_receive_concurrent_send ... ok
[INFO] [stdout] test tests::test_multiple_receiver_multiple_sender ... ok
[INFO] [stdout] test tests::test_multiple_sender_single_receiver ... ok
[INFO] [stdout] test tests::test_multiple_receiver_single_sender ... ok
[INFO] [stdout] test tests::test_single_producer_single_receiver ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.23s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests secc
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 37) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.17s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "698d12e28ec35b0a0dc70b4d87f7e7d9fcd97b6d4cc25cd3662c44dc20484e2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "698d12e28ec35b0a0dc70b4d87f7e7d9fcd97b6d4cc25cd3662c44dc20484e2f", kill_on_drop: false }`
[INFO] [stdout] 698d12e28ec35b0a0dc70b4d87f7e7d9fcd97b6d4cc25cd3662c44dc20484e2f