[INFO] fetching crate sync-async-runner 0.1.0... [INFO] testing sync-async-runner-0.1.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate sync-async-runner 0.1.0 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate sync-async-runner 0.1.0 [INFO] finished tweaking crates.io crate sync-async-runner 0.1.0 [INFO] tweaked toml for crates.io crate sync-async-runner 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate sync-async-runner 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] crate crates.io crate sync-async-runner 0.1.0 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] [stderr] Blocking waiting for file lock on package cache [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 227c987e17fed402715182d01259b789450433b6806020af4dc773219a3a79db [INFO] running `Command { std: "docker" "start" "-a" "227c987e17fed402715182d01259b789450433b6806020af4dc773219a3a79db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "227c987e17fed402715182d01259b789450433b6806020af4dc773219a3a79db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "227c987e17fed402715182d01259b789450433b6806020af4dc773219a3a79db", kill_on_drop: false }` [INFO] [stdout] 227c987e17fed402715182d01259b789450433b6806020af4dc773219a3a79db [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 66ef7b381d444dbd969b5c32d5eba60c5aaf243c64a03fe36d5a9e1836818e81 [INFO] running `Command { std: "docker" "start" "-a" "66ef7b381d444dbd969b5c32d5eba60c5aaf243c64a03fe36d5a9e1836818e81", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.18 [INFO] [stderr] Compiling syn v1.0.31 [INFO] [stderr] Compiling pin-project-internal v0.4.22 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling pin-project v0.4.22 [INFO] [stderr] Compiling sync-async-runner v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:79:1 [INFO] [stdout] | [INFO] [stdout] 79 | #[pin_project] [INFO] [stdout] | ^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] = note: this warning originates in the derive macro `::pin_project::__private::__PinProjectInternalDerive` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::sync::Arc::::into_raw` that must be used [INFO] [stdout] --> src/lib.rs:190:3 [INFO] [stdout] | [INFO] [stdout] 190 | Arc::into_raw(rc); // keep reference we got as an arg alive, by re-leaking it [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: losing the pointer will leak memory [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 190 | let _ = Arc::into_raw(rc); // keep reference we got as an arg alive, by re-leaking it [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::sync::Arc::::into_raw` that must be used [INFO] [stdout] --> src/lib.rs:202:3 [INFO] [stdout] | [INFO] [stdout] 202 | Arc::into_raw(rc); // keep reference we got as an arg alive, by re-leaking it [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: losing the pointer will leak memory [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 202 | let _ = Arc::into_raw(rc); // keep reference we got as an arg alive, by re-leaking it [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.05s [INFO] running `Command { std: "docker" "inspect" "66ef7b381d444dbd969b5c32d5eba60c5aaf243c64a03fe36d5a9e1836818e81", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "66ef7b381d444dbd969b5c32d5eba60c5aaf243c64a03fe36d5a9e1836818e81", kill_on_drop: false }` [INFO] [stdout] 66ef7b381d444dbd969b5c32d5eba60c5aaf243c64a03fe36d5a9e1836818e81 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c804dde3a5e668d4d6177237a75fc87f96694029fdf3cb6687bbc581011a437a [INFO] running `Command { std: "docker" "start" "-a" "c804dde3a5e668d4d6177237a75fc87f96694029fdf3cb6687bbc581011a437a", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro-nested v0.1.6 [INFO] [stderr] Compiling once_cell v1.4.0 [INFO] [stderr] Compiling futures-sink v0.3.5 [INFO] [stderr] Compiling proc-macro-hack v0.5.16 [INFO] [stderr] Compiling futures-core v0.3.5 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:79:1 [INFO] [stdout] | [INFO] [stdout] 79 | #[pin_project] [INFO] [stdout] | ^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] = note: this warning originates in the derive macro `::pin_project::__private::__PinProjectInternalDerive` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::sync::Arc::::into_raw` that must be used [INFO] [stdout] --> src/lib.rs:190:3 [INFO] [stdout] | [INFO] [stdout] 190 | Arc::into_raw(rc); // keep reference we got as an arg alive, by re-leaking it [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: losing the pointer will leak memory [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 190 | let _ = Arc::into_raw(rc); // keep reference we got as an arg alive, by re-leaking it [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::sync::Arc::::into_raw` that must be used [INFO] [stdout] --> src/lib.rs:202:3 [INFO] [stdout] | [INFO] [stdout] 202 | Arc::into_raw(rc); // keep reference we got as an arg alive, by re-leaking it [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: losing the pointer will leak memory [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 202 | let _ = Arc::into_raw(rc); // keep reference we got as an arg alive, by re-leaking it [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling futures-task v0.3.5 [INFO] [stderr] Compiling futures-channel v0.3.5 [INFO] [stderr] Compiling futures-macro v0.3.5 [INFO] [stderr] Compiling futures-util v0.3.5 [INFO] [stderr] Compiling sync-async-runner v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:79:1 [INFO] [stdout] | [INFO] [stdout] 79 | #[pin_project] [INFO] [stdout] | ^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] = note: this warning originates in the derive macro `::pin_project::__private::__PinProjectInternalDerive` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::sync::Arc::::into_raw` that must be used [INFO] [stdout] --> src/lib.rs:190:3 [INFO] [stdout] | [INFO] [stdout] 190 | Arc::into_raw(rc); // keep reference we got as an arg alive, by re-leaking it [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: losing the pointer will leak memory [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 190 | let _ = Arc::into_raw(rc); // keep reference we got as an arg alive, by re-leaking it [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::sync::Arc::::into_raw` that must be used [INFO] [stdout] --> src/lib.rs:202:3 [INFO] [stdout] | [INFO] [stdout] 202 | Arc::into_raw(rc); // keep reference we got as an arg alive, by re-leaking it [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: losing the pointer will leak memory [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 202 | let _ = Arc::into_raw(rc); // keep reference we got as an arg alive, by re-leaking it [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 6.43s [INFO] running `Command { std: "docker" "inspect" "c804dde3a5e668d4d6177237a75fc87f96694029fdf3cb6687bbc581011a437a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c804dde3a5e668d4d6177237a75fc87f96694029fdf3cb6687bbc581011a437a", kill_on_drop: false }` [INFO] [stdout] c804dde3a5e668d4d6177237a75fc87f96694029fdf3cb6687bbc581011a437a [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 65abc62307717888f626e138dc74efc686a96e17969081774014095ae7bde527 [INFO] running `Command { std: "docker" "start" "-a" "65abc62307717888f626e138dc74efc686a96e17969081774014095ae7bde527", kill_on_drop: false }` [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/lib.rs:79:1 [INFO] [stderr] | [INFO] [stderr] 79 | #[pin_project] [INFO] [stderr] | ^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] = note: this warning originates in the derive macro `::pin_project::__private::__PinProjectInternalDerive` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::sync::Arc::::into_raw` that must be used [INFO] [stderr] --> src/lib.rs:190:3 [INFO] [stderr] | [INFO] [stderr] 190 | Arc::into_raw(rc); // keep reference we got as an arg alive, by re-leaking it [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: losing the pointer will leak memory [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 190 | let _ = Arc::into_raw(rc); // keep reference we got as an arg alive, by re-leaking it [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::sync::Arc::::into_raw` that must be used [INFO] [stderr] --> src/lib.rs:202:3 [INFO] [stderr] | [INFO] [stderr] 202 | Arc::into_raw(rc); // keep reference we got as an arg alive, by re-leaking it [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: losing the pointer will leak memory [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 202 | let _ = Arc::into_raw(rc); // keep reference we got as an arg alive, by re-leaking it [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `sync-async-runner` (lib) generated 3 warnings [INFO] [stderr] warning: `sync-async-runner` (lib test) generated 3 warnings (3 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sync_async_runner-ee9d57051e5f43db) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test tests::channel_take_preset ... ok [INFO] [stdout] test tests::channel_take_set_during ... ok [INFO] [stdout] test tests::yield_test ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests sync_async_runner [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 12) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.36s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "65abc62307717888f626e138dc74efc686a96e17969081774014095ae7bde527", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "65abc62307717888f626e138dc74efc686a96e17969081774014095ae7bde527", kill_on_drop: false }` [INFO] [stdout] 65abc62307717888f626e138dc74efc686a96e17969081774014095ae7bde527