[INFO] crate async-await 0.2.1 is already in cache [INFO] testing async-await-0.2.1 against beta-2019-09-28 for beta-1.39-1 [INFO] extracting crate async-await 0.2.1 into work/builds/worker-5/source [INFO] validating manifest of crates.io crate async-await 0.2.1 on toolchain beta-2019-09-28 [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "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-5/source/Cargo.toml [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/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" "+beta-2019-09-28" "build" "--frozen"` [INFO] [stdout] 39cd8c8857b9cb04fbcffd84ada96efc3e8ed45630de1be0dbc873517112d9c7 [INFO] running `"docker" "start" "-a" "39cd8c8857b9cb04fbcffd84ada96efc3e8ed45630de1be0dbc873517112d9c7"` [INFO] [stderr] Compiling async-await v0.2.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.46s [INFO] running `"docker" "inspect" "39cd8c8857b9cb04fbcffd84ada96efc3e8ed45630de1be0dbc873517112d9c7"` [INFO] running `"docker" "rm" "-f" "39cd8c8857b9cb04fbcffd84ada96efc3e8ed45630de1be0dbc873517112d9c7"` [INFO] [stdout] 39cd8c8857b9cb04fbcffd84ada96efc3e8ed45630de1be0dbc873517112d9c7 [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/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" "+beta-2019-09-28" "test" "--frozen" "--no-run"` [INFO] [stdout] 77656d8a1da42e16f7495d9f1612da38c2caaad343dd770149a82b5bcdbe1764 [INFO] running `"docker" "start" "-a" "77656d8a1da42e16f7495d9f1612da38c2caaad343dd770149a82b5bcdbe1764"` [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($e); [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 69 | let a = async!{panic!("i")}; [INFO] [stderr] | ------------------- in this macro invocation [INFO] [stderr] [INFO] [stderr] warning: unreachable call [INFO] [stderr] --> src/lib.rs:11:16 [INFO] [stderr] | [INFO] [stderr] 11 | tx.complete($e); [INFO] [stderr] | ^^^^^^^^ unreachable call [INFO] [stderr] ... [INFO] [stderr] 69 | let a = async!{panic!("i")}; [INFO] [stderr] | ------------------- [INFO] [stderr] | | | [INFO] [stderr] | | any code following this expression is unreachable [INFO] [stderr] | in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.91s [INFO] running `"docker" "inspect" "77656d8a1da42e16f7495d9f1612da38c2caaad343dd770149a82b5bcdbe1764"` [INFO] running `"docker" "rm" "-f" "77656d8a1da42e16f7495d9f1612da38c2caaad343dd770149a82b5bcdbe1764"` [INFO] [stdout] 77656d8a1da42e16f7495d9f1612da38c2caaad343dd770149a82b5bcdbe1764 [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/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" "+beta-2019-09-28" "test" "--frozen"` [INFO] [stdout] 4156af8c16ba632e0932ad97aa43784045fd4a679b823da6c1e05ae74f9ad0be [INFO] running `"docker" "start" "-a" "4156af8c16ba632e0932ad97aa43784045fd4a679b823da6c1e05ae74f9ad0be"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.00s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/async_await-5495429c8a56c9f5 [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test test_await ... 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_simple_async ... ok [INFO] [stdout] test test_complex_async ... ok [INFO] [stderr] 0: 0x556a18c3f194 - backtrace::backtrace::libunwind::trace::hf625d18232cbbbd4 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x556a18c3f194 - backtrace::backtrace::trace_unsynchronized::h41d74150fc6ff542 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x556a18c3f194 - std::sys_common::backtrace::_print_fmt::h85d37830c667a1f9 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:76 [INFO] [stderr] 3: 0x556a18c3f194 - ::fmt::h2b7ac01d5feaf9b2 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:60 [INFO] [stderr] 4: 0x556a18c59ffc - core::fmt::write::h7fd0d904495c035f [INFO] [stderr] at src/libcore/fmt/mod.rs:1030 [INFO] [stderr] 5: 0x556a18c3cc47 - std::io::Write::write_fmt::h663e4bf63637c947 [INFO] [stderr] at src/libstd/io/mod.rs:1412 [INFO] [stderr] 6: 0x556a18c41635 - std::sys_common::backtrace::_print::h4c743f7c274a5a74 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:64 [INFO] [stderr] 7: 0x556a18c41635 - std::sys_common::backtrace::print::ha5c4f4bf03800d4d [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x556a18c41635 - std::panicking::default_hook::{{closure}}::h8b842185774c09e6 [INFO] [stderr] at src/libstd/panicking.rs:196 [INFO] [stderr] 9: 0x556a18c41326 - std::panicking::default_hook::hd8ec13ee1bc2a65a [INFO] [stderr] at src/libstd/panicking.rs:210 [INFO] [stderr] 10: 0x556a18c41d35 - std::panicking::rust_panic_with_hook::hf3b27166e5f403e7 [INFO] [stderr] at src/libstd/panicking.rs:473 [INFO] [stderr] 11: 0x556a18c31c53 - std::panicking::begin_panic::h7fe8fbe494b70360 [INFO] [stderr] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/panicking.rs:407 [INFO] [stderr] 12: 0x556a18be1eff - async_await::test_default::{{closure}}::h49cf9346a64eaa35 [INFO] [stderr] at src/lib.rs:69 [INFO] [stderr] 13: 0x556a18bd8ad3 - std::sys_common::backtrace::__rust_begin_short_backtrace::h1a1eb789abe940eb [INFO] [stderr] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/sys_common/backtrace.rs:126 [INFO] [stderr] 14: 0x556a18bd875e - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h1541f20dd26f20c8 [INFO] [stderr] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/thread/mod.rs:470 [INFO] [stderr] 15: 0x556a18bd9ac1 - as core::ops::function::FnOnce<()>>::call_once::ha9e39833f39e6d13 [INFO] [stderr] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/panic.rs:315 [INFO] [stderr] 16: 0x556a18be0a08 - std::panicking::try::do_call::h29fe99b9f66b973f [INFO] [stderr] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/panicking.rs:292 [INFO] [stderr] 17: 0x556a18c4446a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:80 [INFO] [stderr] 18: 0x556a18be0244 - std::panicking::try::h3afbc4923ad7df40 [INFO] [stderr] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/panicking.rs:271 [INFO] [stderr] 19: 0x556a18bd9ba3 - std::panic::catch_unwind::h4c9406ea6ae3d302 [INFO] [stderr] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/panic.rs:394 [INFO] [stderr] 20: 0x556a18bd76c6 - std::thread::Builder::spawn_unchecked::{{closure}}::h26ef09cd02fcf03e [INFO] [stderr] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/thread/mod.rs:469 [INFO] [stderr] 21: 0x556a18be30b3 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hf24f6f99a7db1d4d [INFO] [stderr] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libcore/ops/function.rs:227 [INFO] [stderr] 22: 0x556a18c3778f - as core::ops::function::FnOnce>::call_once::h3cdef3b7ea22cd61 [INFO] [stderr] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/liballoc/boxed.rs:922 [INFO] [stderr] 23: 0x556a18c43bc0 - as core::ops::function::FnOnce>::call_once::hc8f25720bf0d5424 [INFO] [stderr] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/liballoc/boxed.rs:922 [INFO] [stderr] 24: 0x556a18c43bc0 - std::sys_common::thread::start_thread::h7e8885ccfd5d1932 [INFO] [stderr] at src/libstd/sys_common/thread.rs:13 [INFO] [stderr] 25: 0x556a18c43bc0 - std::sys::unix::thread::Thread::new::thread_start::h5d24df932d688baf [INFO] [stderr] at src/libstd/sys/unix/thread.rs:79 [INFO] [stderr] 26: 0x7f31362b76db - start_thread [INFO] [stderr] 27: 0x7f3135dc888f - __clone [INFO] [stderr] 28: 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" "4156af8c16ba632e0932ad97aa43784045fd4a679b823da6c1e05ae74f9ad0be"` [INFO] running `"docker" "rm" "-f" "4156af8c16ba632e0932ad97aa43784045fd4a679b823da6c1e05ae74f9ad0be"` [INFO] [stdout] 4156af8c16ba632e0932ad97aa43784045fd4a679b823da6c1e05ae74f9ad0be