[INFO] fetching crate sync-async-runner 0.1.0...
[INFO] testing sync-async-runner-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate sync-async-runner 0.1.0 into /workspace/builds/worker-85/source
[INFO] validating manifest of crates.io crate sync-async-runner 0.1.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-85/source/Cargo.toml
[INFO] crate crates.io crate sync-async-runner 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.16
[INFO] [stderr]   Downloaded once_cell v1.4.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.18
[INFO] [stderr]   Downloaded syn v1.0.31
[INFO] [stderr]   Downloaded pin-project-internal v0.4.22
[INFO] [stderr]   Downloaded pin-project v0.4.22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 415d01eaa0a9ab10e9df689df2199abc87cff6424a1924d2b83c57f988d745c0
[INFO] running `Command { std: "docker" "start" "-a" "415d01eaa0a9ab10e9df689df2199abc87cff6424a1924d2b83c57f988d745c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "415d01eaa0a9ab10e9df689df2199abc87cff6424a1924d2b83c57f988d745c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "415d01eaa0a9ab10e9df689df2199abc87cff6424a1924d2b83c57f988d745c0", kill_on_drop: false }`
[INFO] [stdout] 415d01eaa0a9ab10e9df689df2199abc87cff6424a1924d2b83c57f988d745c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe7d4c4b18b2f9e40db4a88e4872c9763a6868324054942feaed4680ec03a686
[INFO] running `Command { std: "docker" "start" "-a" "fe7d4c4b18b2f9e40db4a88e4872c9763a6868324054942feaed4680ec03a686", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[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)]` 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::<T>::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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::sync::Arc::<T>::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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.59s
[INFO] running `Command { std: "docker" "inspect" "fe7d4c4b18b2f9e40db4a88e4872c9763a6868324054942feaed4680ec03a686", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe7d4c4b18b2f9e40db4a88e4872c9763a6868324054942feaed4680ec03a686", kill_on_drop: false }`
[INFO] [stdout] fe7d4c4b18b2f9e40db4a88e4872c9763a6868324054942feaed4680ec03a686
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b293d342d97f340df1f649a39a4080bbd65a2d99e6c1a8381e247556c81350fc
[INFO] running `Command { std: "docker" "start" "-a" "b293d342d97f340df1f649a39a4080bbd65a2d99e6c1a8381e247556c81350fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]    Compiling once_cell v1.4.0
[INFO] [stderr]    Compiling futures-sink v0.3.5
[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)]` 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::<T>::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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::sync::Arc::<T>::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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling futures-task 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)]` 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::<T>::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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::sync::Arc::<T>::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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.63s
[INFO] running `Command { std: "docker" "inspect" "b293d342d97f340df1f649a39a4080bbd65a2d99e6c1a8381e247556c81350fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b293d342d97f340df1f649a39a4080bbd65a2d99e6c1a8381e247556c81350fc", kill_on_drop: false }`
[INFO] [stdout] b293d342d97f340df1f649a39a4080bbd65a2d99e6c1a8381e247556c81350fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 086e402653c08a5adc3f491b102ec02da8402edbfc42ec993a1ef6cad3197ab6
[INFO] running `Command { std: "docker" "start" "-a" "086e402653c08a5adc3f491b102ec02da8402edbfc42ec993a1ef6cad3197ab6", 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)]` 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::<T>::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] 
[INFO] [stderr] warning: unused return value of `std::sync::Arc::<T>::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] 
[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 [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sync_async_runner-5ae01223619adfa8)
[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 0.54s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "086e402653c08a5adc3f491b102ec02da8402edbfc42ec993a1ef6cad3197ab6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "086e402653c08a5adc3f491b102ec02da8402edbfc42ec993a1ef6cad3197ab6", kill_on_drop: false }`
[INFO] [stdout] 086e402653c08a5adc3f491b102ec02da8402edbfc42ec993a1ef6cad3197ab6