[INFO] crate async-await 0.2.1 is already in cache [INFO] testing async-await-0.2.1 against 1.38.0 for beta-1.39-1 [INFO] extracting crate async-await 0.2.1 into work/builds/worker-4/source [INFO] validating manifest of crates.io crate async-await 0.2.1 on toolchain 1.38.0 [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate async-await 0.2.1 [INFO] finished tweaking crates.io crate async-await 0.2.1 [INFO] tweaked toml for crates.io crate async-await 0.2.1 written to work/builds/worker-4/source/Cargo.toml [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"` [INFO] [stdout] eae5a0355130b649384c6dd7d7c02a2c66c76620723448e8682cbf2a702300c2 [INFO] running `"docker" "start" "-a" "eae5a0355130b649384c6dd7d7c02a2c66c76620723448e8682cbf2a702300c2"` [INFO] [stderr] Compiling async-await v0.2.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.43s [INFO] running `"docker" "inspect" "eae5a0355130b649384c6dd7d7c02a2c66c76620723448e8682cbf2a702300c2"` [INFO] running `"docker" "rm" "-f" "eae5a0355130b649384c6dd7d7c02a2c66c76620723448e8682cbf2a702300c2"` [INFO] [stdout] eae5a0355130b649384c6dd7d7c02a2c66c76620723448e8682cbf2a702300c2 [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 11870a40c2c5d7a66eff262182a4f45e23f143b6710565ca0068aad9dcecb06e [INFO] running `"docker" "start" "-a" "11870a40c2c5d7a66eff262182a4f45e23f143b6710565ca0068aad9dcecb06e"` [INFO] [stderr] Compiling async-await v0.2.1 (/opt/rustwide/workdir) [INFO] [stderr] warning: unnecessary parentheses around method argument [INFO] [stderr] --> src/lib.rs:47:49 [INFO] [stderr] | [INFO] [stderr] 47 | let transformation = f1.map(|v| v * 2).join((f2.map(|v| v + 5))) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'futures::Complete::::complete': renamed to `send` [INFO] [stderr] --> src/lib.rs:11:16 [INFO] [stderr] | [INFO] [stderr] 11 | tx.complete($e); [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 39 | let a = async!{42}; [INFO] [stderr] | ---------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'futures::Complete::::complete': renamed to `send` [INFO] [stderr] --> src/lib.rs:11:16 [INFO] [stderr] | [INFO] [stderr] 11 | tx.complete($e); [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 45 | let f1 = async!{42}; [INFO] [stderr] | ---------- in this macro invocation [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'futures::Complete::::complete': renamed to `send` [INFO] [stderr] --> src/lib.rs:11:16 [INFO] [stderr] | [INFO] [stderr] 11 | tx.complete($e); [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 46 | let f2 = async!{18}; [INFO] [stderr] | ---------- in this macro invocation [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'futures::Complete::::complete': renamed to `send` [INFO] [stderr] --> src/lib.rs:11:16 [INFO] [stderr] | [INFO] [stderr] 11 | tx.complete($e); [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 54 | let f1 = async!{{ [INFO] [stderr] | ______________- [INFO] [stderr] 55 | | let f1 = async!{42}; [INFO] [stderr] 56 | | await!{f1.map(|v| v * 2)} [INFO] [stderr] 57 | | }}; [INFO] [stderr] | |______- in this macro invocation [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'futures::Complete::::complete': renamed to `send` [INFO] [stderr] --> src/lib.rs:11:16 [INFO] [stderr] | [INFO] [stderr] 11 | tx.complete($e); [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 55 | let f1 = async!{42}; [INFO] [stderr] | ---------- in this macro invocation [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'futures::Complete::::complete': renamed to `send` [INFO] [stderr] --> src/lib.rs:11:16 [INFO] [stderr] | [INFO] [stderr] 11 | tx.complete($e); [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 63 | let a = async!{42}; [INFO] [stderr] | ---------- in this macro invocation [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'futures::Complete::::complete': renamed to `send` [INFO] [stderr] --> src/lib.rs:11:16 [INFO] [stderr] | [INFO] [stderr] 11 | tx.complete($e); [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 69 | let a = async!{panic!("i")}; [INFO] [stderr] | ------------------- in this macro invocation [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/lib.rs:11:13 [INFO] [stderr] | [INFO] [stderr] 11 | tx.complete($e); [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 69 | let a = async!{panic!("i")}; [INFO] [stderr] | ------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.80s [INFO] running `"docker" "inspect" "11870a40c2c5d7a66eff262182a4f45e23f143b6710565ca0068aad9dcecb06e"` [INFO] running `"docker" "rm" "-f" "11870a40c2c5d7a66eff262182a4f45e23f143b6710565ca0068aad9dcecb06e"` [INFO] [stdout] 11870a40c2c5d7a66eff262182a4f45e23f143b6710565ca0068aad9dcecb06e [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"` [INFO] [stdout] 9d735cd272592eae9fdd5cba2f59e961a6e9076ad074f13fbf83349813eef6a9 [INFO] running `"docker" "start" "-a" "9d735cd272592eae9fdd5cba2f59e961a6e9076ad074f13fbf83349813eef6a9"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.13s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/async_await-fd1e7720daf14646 [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test test_await ... ok [INFO] [stdout] test test_simple_async ... ok [INFO] [stderr] thread '' panicked at 'i', src/lib.rs:69:20 [INFO] [stderr] stack backtrace: [INFO] [stdout] test test_block ... ok [INFO] [stdout] test test_complex_async ... ok [INFO] [stderr] 0: 0x55b2463ac59b - backtrace::backtrace::libunwind::trace::h89fcc71e59e3bc5b [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x55b2463ac59b - backtrace::backtrace::trace_unsynchronized::h0bad9be1379e729a [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55b2463ac59b - std::sys_common::backtrace::_print::hd3382a1f33c473da [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x55b2463ac59b - std::sys_common::backtrace::print::h0ec6f03cfb8e76a6 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x55b2463ac59b - std::panicking::default_hook::{{closure}}::h96cbf7b454e3f557 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x55b2463ac276 - std::panicking::default_hook::h95a8f00337383d83 [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x55b2463acd0d - std::panicking::rust_panic_with_hook::h92f98b46e22f14ed [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x55b24639c8c5 - std::panicking::begin_panic::hfc59a0e5397762be [INFO] [stderr] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/panicking.rs:411 [INFO] [stderr] 8: 0x55b24634ce9f - async_await::test_default::{{closure}}::h183c9f5f855e6214 [INFO] [stderr] at src/lib.rs:69 [INFO] [stderr] 9: 0x55b246343a73 - std::sys_common::backtrace::__rust_begin_short_backtrace::h0465603f6b09a009 [INFO] [stderr] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/sys_common/backtrace.rs:77 [INFO] [stderr] 10: 0x55b24634375e - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hdfd1c8636c8267fb [INFO] [stderr] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/thread/mod.rs:470 [INFO] [stderr] 11: 0x55b246344a61 - as core::ops::function::FnOnce<()>>::call_once::hcda97a8ee6bcf138 [INFO] [stderr] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/panic.rs:315 [INFO] [stderr] 12: 0x55b24634ba48 - std::panicking::try::do_call::haaa7a80336deef40 [INFO] [stderr] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/panicking.rs:296 [INFO] [stderr] 13: 0x55b2463af48a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:80 [INFO] [stderr] 14: 0x55b24634b4a4 - std::panicking::try::hcd412bd3be2bfae8 [INFO] [stderr] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/panicking.rs:275 [INFO] [stderr] 15: 0x55b246344ae3 - std::panic::catch_unwind::h149799fc564e0310 [INFO] [stderr] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/panic.rs:394 [INFO] [stderr] 16: 0x55b246343226 - std::thread::Builder::spawn_unchecked::{{closure}}::h90be41087e5c8e5f [INFO] [stderr] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/thread/mod.rs:469 [INFO] [stderr] 17: 0x55b24634dfb3 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hba3a0328489a1abb [INFO] [stderr] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libcore/ops/function.rs:235 [INFO] [stderr] 18: 0x55b2463a220f - as core::ops::function::FnOnce>::call_once::h2877b2aefb0fd627 [INFO] [stderr] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/liballoc/boxed.rs:787 [INFO] [stderr] 19: 0x55b2463aebc0 - as core::ops::function::FnOnce>::call_once::h13f473dbcdaa0fef [INFO] [stderr] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/liballoc/boxed.rs:787 [INFO] [stderr] 20: 0x55b2463aebc0 - std::sys_common::thread::start_thread::h562a7c4953cb1d31 [INFO] [stderr] at src/libstd/sys_common/thread.rs:13 [INFO] [stderr] 21: 0x55b2463aebc0 - std::sys::unix::thread::Thread::new::thread_start::h382c6ae14181d163 [INFO] [stderr] at src/libstd/sys/unix/thread.rs:79 [INFO] [stderr] 22: 0x7faaf56486db - start_thread [INFO] [stderr] 23: 0x7faaf515988f - __clone [INFO] [stderr] 24: 0x0 - [INFO] [stdout] test test_default ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests async-await [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 [INFO] [stdout] [INFO] running `"docker" "inspect" "9d735cd272592eae9fdd5cba2f59e961a6e9076ad074f13fbf83349813eef6a9"` [INFO] running `"docker" "rm" "-f" "9d735cd272592eae9fdd5cba2f59e961a6e9076ad074f13fbf83349813eef6a9"` [INFO] [stdout] 9d735cd272592eae9fdd5cba2f59e961a6e9076ad074f13fbf83349813eef6a9