[INFO] fetching crate uexec 0.1.4... [INFO] testing uexec-0.1.4 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate uexec 0.1.4 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate uexec 0.1.4 [INFO] finished tweaking crates.io crate uexec 0.1.4 [INFO] tweaked toml for crates.io crate uexec 0.1.4 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate uexec 0.1.4 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] crate crates.io crate uexec 0.1.4 already has a lockfile, it will not be regenerated [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-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] 084db2879480163d48d65490275785e679c6cde158eef7b40e269713d467841b [INFO] running `Command { std: "docker" "start" "-a" "084db2879480163d48d65490275785e679c6cde158eef7b40e269713d467841b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "084db2879480163d48d65490275785e679c6cde158eef7b40e269713d467841b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "084db2879480163d48d65490275785e679c6cde158eef7b40e269713d467841b", kill_on_drop: false }` [INFO] [stdout] 084db2879480163d48d65490275785e679c6cde158eef7b40e269713d467841b [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] bab1a424eaf440405c5059df23ec0b9561aa9f36f347a431e2f53a0b7c43ec55 [INFO] running `Command { std: "docker" "start" "-a" "bab1a424eaf440405c5059df23ec0b9561aa9f36f347a431e2f53a0b7c43ec55", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.94 [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling instant v0.1.9 [INFO] [stderr] Compiling crossbeam-utils v0.8.4 [INFO] [stderr] Compiling spinning_top v0.2.3 [INFO] [stderr] Compiling futures-sink v0.3.14 [INFO] [stderr] Compiling futures-core v0.3.14 [INFO] [stderr] Compiling fastrand v1.4.1 [INFO] [stderr] Compiling once_cell v1.7.2 [INFO] [stderr] Compiling parking_lot_core v0.8.3 [INFO] [stderr] Compiling parking_lot v0.11.1 [INFO] [stderr] Compiling nanorand v0.5.2 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling pin-project-internal v1.0.7 [INFO] [stderr] Compiling pin-project v1.0.7 [INFO] [stderr] Compiling flume v0.10.5 [INFO] [stderr] Compiling uexec v0.1.4 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.98s [INFO] running `Command { std: "docker" "inspect" "bab1a424eaf440405c5059df23ec0b9561aa9f36f347a431e2f53a0b7c43ec55", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bab1a424eaf440405c5059df23ec0b9561aa9f36f347a431e2f53a0b7c43ec55", kill_on_drop: false }` [INFO] [stdout] bab1a424eaf440405c5059df23ec0b9561aa9f36f347a431e2f53a0b7c43ec55 [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] a9830506945ead6d462e54317214520adfef9dc912a151ff69500761c9a8f27e [INFO] running `Command { std: "docker" "start" "-a" "a9830506945ead6d462e54317214520adfef9dc912a151ff69500761c9a8f27e", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Compiling parking v2.0.0 [INFO] [stderr] Compiling waker-fn v1.1.0 [INFO] [stderr] Compiling futures-io v0.3.14 [INFO] [stderr] Compiling pin-project-lite v0.2.6 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling easy-parallel v3.1.0 [INFO] [stderr] Compiling futures-lite v1.11.3 [INFO] [stderr] Compiling uexec v0.1.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> examples/channel.rs:20:13 [INFO] [stdout] | [INFO] [stdout] 20 | drop(sender.send_async(Some(i)).await); [INFO] [stdout] | ^^^^^--------------------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `Result<(), flume::SendError>>` [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] 20 - drop(sender.send_async(Some(i)).await); [INFO] [stdout] 20 + let _ = sender.send_async(Some(i)).await; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> examples/channel.rs:23:17 [INFO] [stdout] | [INFO] [stdout] 23 | drop(sender.send_async(None).await); [INFO] [stdout] | ^^^^^-----------------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `Result<(), flume::SendError>>` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 23 - drop(sender.send_async(None).await); [INFO] [stdout] 23 + let _ = sender.send_async(None).await; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 6.03s [INFO] running `Command { std: "docker" "inspect" "a9830506945ead6d462e54317214520adfef9dc912a151ff69500761c9a8f27e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a9830506945ead6d462e54317214520adfef9dc912a151ff69500761c9a8f27e", kill_on_drop: false }` [INFO] [stdout] a9830506945ead6d462e54317214520adfef9dc912a151ff69500761c9a8f27e [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] 15af0dec1e2794268808ee68759ccebfdf856661755234698bb744e0c6f791c1 [INFO] running `Command { std: "docker" "start" "-a" "15af0dec1e2794268808ee68759ccebfdf856661755234698bb744e0c6f791c1", kill_on_drop: false }` [INFO] [stderr] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stderr] --> examples/channel.rs:20:13 [INFO] [stderr] | [INFO] [stderr] 20 | drop(sender.send_async(Some(i)).await); [INFO] [stderr] | ^^^^^--------------------------------^ [INFO] [stderr] | | [INFO] [stderr] | argument has type `Result<(), flume::SendError>>` [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] 20 - drop(sender.send_async(Some(i)).await); [INFO] [stderr] 20 + let _ = sender.send_async(Some(i)).await; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stderr] --> examples/channel.rs:23:17 [INFO] [stderr] | [INFO] [stderr] 23 | drop(sender.send_async(None).await); [INFO] [stderr] | ^^^^^-----------------------------^ [INFO] [stderr] | | [INFO] [stderr] | argument has type `Result<(), flume::SendError>>` [INFO] [stderr] | [INFO] [stderr] help: use `let _ = ...` to ignore the expression or result [INFO] [stderr] | [INFO] [stderr] 23 - drop(sender.send_async(None).await); [INFO] [stderr] 23 + let _ = sender.send_async(None).await; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `uexec` (example "channel") generated 2 warnings [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/uexec-e561c6a708bfb05f) [INFO] [stderr] Running tests/basic.rs (/opt/rustwide/target/debug/deps/basic-c13d56932c5d7f89) [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] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test basic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/cancel.rs (/opt/rustwide/target/debug/deps/cancel-bdf6b9789e44d120) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test cancel_finished ... ok [INFO] [stdout] test cancel_pending ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/workers.rs (/opt/rustwide/target/debug/deps/workers-f82eac66b4ef76cb) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] Running tests/yield_now.rs (/opt/rustwide/target/debug/deps/yield_now-6385fe6719017750) [INFO] [stdout] test workers ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.45s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] Doc-tests uexec [INFO] [stdout] test yield_now ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.52s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test src/lib.rs - terminate_workers (line 160) ... ok [INFO] [stdout] test src/lib.rs - spawn_workers (line 147) ... ok [INFO] [stdout] test src/lib.rs - block_on (line 82) ... ok [INFO] [stdout] test src/lib.rs - (line 50) ... ok [INFO] [stdout] test src/lib.rs - spawn_local (line 124) ... ok [INFO] [stdout] test src/lib.rs - spawn (line 98) ... ok [INFO] [stdout] test src/lib.rs - (line 9) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.53s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "15af0dec1e2794268808ee68759ccebfdf856661755234698bb744e0c6f791c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "15af0dec1e2794268808ee68759ccebfdf856661755234698bb744e0c6f791c1", kill_on_drop: false }` [INFO] [stdout] 15af0dec1e2794268808ee68759ccebfdf856661755234698bb744e0c6f791c1