[INFO] crate async-await 0.2.1 is already in cache [INFO] extracting crate async-await 0.2.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/async-await/0.2.1 [INFO] extracting crate async-await 0.2.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/async-await/0.2.1 [INFO] validating manifest of async-await-0.2.1 on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of async-await-0.2.1 on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing async-await-0.2.1 [INFO] finished frobbing async-await-0.2.1 [INFO] frobbed toml for async-await-0.2.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/async-await/0.2.1/Cargo.toml [INFO] started frobbing async-await-0.2.1 [INFO] finished frobbing async-await-0.2.1 [INFO] frobbed toml for async-await-0.2.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/async-await/0.2.1/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing async-await-0.2.1 against beta-2019-07-23 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/async-await/0.2.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "build" "--frozen"` [INFO] [stdout] 2f4cb9160f1722ee9bf6e8371f914c7103f8d306bc5f24d1ddef488f2921330a [INFO] running `"docker" "start" "-a" "2f4cb9160f1722ee9bf6e8371f914c7103f8d306bc5f24d1ddef488f2921330a"` [INFO] [stderr] Compiling async-await v0.2.1 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.23s [INFO] running `"docker" "inspect" "2f4cb9160f1722ee9bf6e8371f914c7103f8d306bc5f24d1ddef488f2921330a"` [INFO] running `"docker" "rm" "-f" "2f4cb9160f1722ee9bf6e8371f914c7103f8d306bc5f24d1ddef488f2921330a"` [INFO] [stdout] 2f4cb9160f1722ee9bf6e8371f914c7103f8d306bc5f24d1ddef488f2921330a [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/async-await/0.2.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "test" "--frozen" "--no-run"` [INFO] [stdout] bbb98e29ebadbdd0c448869cadf0ac64c17ff30b94937342550307e2c2464d95 [INFO] running `"docker" "start" "-a" "bbb98e29ebadbdd0c448869cadf0ac64c17ff30b94937342550307e2c2464d95"` [INFO] [stderr] Compiling async-await v0.2.1 (/opt/crater/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 1.26s [INFO] running `"docker" "inspect" "bbb98e29ebadbdd0c448869cadf0ac64c17ff30b94937342550307e2c2464d95"` [INFO] running `"docker" "rm" "-f" "bbb98e29ebadbdd0c448869cadf0ac64c17ff30b94937342550307e2c2464d95"` [INFO] [stdout] bbb98e29ebadbdd0c448869cadf0ac64c17ff30b94937342550307e2c2464d95 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/async-await/0.2.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "test" "--frozen"` [INFO] [stdout] a5626d009d77a28c967c43c18e80481c7d9293442c5084a0872c3c067d4ecc69 [INFO] running `"docker" "start" "-a" "a5626d009d77a28c967c43c18e80481c7d9293442c5084a0872c3c067d4ecc69"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/crater/target/debug/deps/async_await-7ca70f98a5c86933 [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test test_await ... ok [INFO] [stdout] test test_complex_async ... ok [INFO] [stdout] test test_simple_async ... ok [INFO] [stdout] test test_block ... ok [INFO] [stderr] thread '' panicked at 'i', src/lib.rs:69:20 [INFO] [stderr] stack backtrace: [INFO] [stdout] test test_default ... ok [INFO] [stderr] 0: 0x5579f27fd4bb - backtrace::backtrace::libunwind::trace::h5dfa5d4c5feed6dc [INFO] [stdout] [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stderr] 1: 0x5579f27fd4bb - backtrace::backtrace::trace_unsynchronized::hb731fe64f3fa469f [INFO] [stdout] [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x5579f27fd4bb - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x5579f27fd4bb - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x5579f27fd4bb - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x5579f27fd197 - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x5579f27fdc30 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x5579f27ec848 - std::panicking::begin_panic::h744a101f3f670de3 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:411 [INFO] [stderr] 8: 0x5579f279dc7f - async_await::test_default::{{closure}}::h02ce9975a987afa4 [INFO] [stderr] at src/lib.rs:69 [INFO] [stderr] 9: 0x5579f279ddc3 - std::sys_common::backtrace::__rust_begin_short_backtrace::hcee31a648cb22de7 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stderr] 10: 0x5579f2794b3e - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h92cff444a3ec63bf [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stderr] 11: 0x5579f2797451 - as core::ops::function::FnOnce<()>>::call_once::ha7aa8b6050f386b4 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stderr] 12: 0x5579f279c6e5 - std::panicking::try::do_call::h69feb39d8ae22d9d [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stderr] 13: 0x5579f28001da - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:82 [INFO] [stderr] 14: 0x5579f279c4e1 - std::panicking::try::hd537a5ad7615c327 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stderr] 15: 0x5579f27975d3 - std::panic::catch_unwind::hd7d29c5d294b5156 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stderr] 16: 0x5579f2793d66 - std::thread::Builder::spawn_unchecked::{{closure}}::h5a7f30c641bef9d2 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stderr] 17: 0x5579f279e7c3 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h4033555e17dbcafc [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stderr] 18: 0x5579f27f31ff - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stderr] 19: 0x5579f27ff930 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stderr] 20: 0x5579f27ff930 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stderr] at src/libstd/sys_common/thread.rs:13 [INFO] [stderr] 21: 0x5579f27ff930 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stderr] at src/libstd/sys/unix/thread.rs:79 [INFO] [stderr] 22: 0x7fcefb7624a4 - start_thread [INFO] [stderr] 23: 0x7fcefb28dd0f - __clone [INFO] [stderr] 24: 0x0 - [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" "a5626d009d77a28c967c43c18e80481c7d9293442c5084a0872c3c067d4ecc69"` [INFO] running `"docker" "rm" "-f" "a5626d009d77a28c967c43c18e80481c7d9293442c5084a0872c3c067d4ecc69"` [INFO] [stdout] a5626d009d77a28c967c43c18e80481c7d9293442c5084a0872c3c067d4ecc69