[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 1.36.0 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "build" "--frozen"` [INFO] [stdout] 21c23f9591b0c9d2ee955214df917375a19b49a223e2a1e4c0bcdef78345de1b [INFO] running `"docker" "start" "-a" "21c23f9591b0c9d2ee955214df917375a19b49a223e2a1e4c0bcdef78345de1b"` [INFO] [stderr] Compiling async-await v0.2.1 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.20s [INFO] running `"docker" "inspect" "21c23f9591b0c9d2ee955214df917375a19b49a223e2a1e4c0bcdef78345de1b"` [INFO] running `"docker" "rm" "-f" "21c23f9591b0c9d2ee955214df917375a19b49a223e2a1e4c0bcdef78345de1b"` [INFO] [stdout] 21c23f9591b0c9d2ee955214df917375a19b49a223e2a1e4c0bcdef78345de1b [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen" "--no-run"` [INFO] [stdout] d26eab174496fdd04708bf0c189d5431ae5dfc318eb62d52a1684f2a4d944c23 [INFO] running `"docker" "start" "-a" "d26eab174496fdd04708bf0c189d5431ae5dfc318eb62d52a1684f2a4d944c23"` [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 1.04s [INFO] running `"docker" "inspect" "d26eab174496fdd04708bf0c189d5431ae5dfc318eb62d52a1684f2a4d944c23"` [INFO] running `"docker" "rm" "-f" "d26eab174496fdd04708bf0c189d5431ae5dfc318eb62d52a1684f2a4d944c23"` [INFO] [stdout] d26eab174496fdd04708bf0c189d5431ae5dfc318eb62d52a1684f2a4d944c23 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen"` [INFO] [stdout] a1444cc05a9998795b9c00ebc632c11e67388697abfa0636b13a57df12f033a2 [INFO] running `"docker" "start" "-a" "a1444cc05a9998795b9c00ebc632c11e67388697abfa0636b13a57df12f033a2"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/async_await-64ea8e6bd6d67c20 [INFO] [stdout] running 5 tests [INFO] [stdout] test test_await ... ok [INFO] [stderr] thread '' panicked at 'i', src/lib.rs:69:20 [INFO] [stdout] test test_simple_async ... ok [INFO] [stderr] stack backtrace: [INFO] [stdout] test test_block ... ok [INFO] [stdout] test test_complex_async ... ok [INFO] [stderr] 0: 0x556959effa63 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55 [INFO] [stderr] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39 [INFO] [stderr] 1: 0x556959efb3fb - std::sys_common::backtrace::_print::h49a82ae9552e35c7 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:71 [INFO] [stderr] 2: 0x556959efe7a6 - std::panicking::default_hook::{{closure}}::he20974adbefcc046 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] at src/libstd/panicking.rs:197 [INFO] [stderr] 3: 0x556959efe539 - std::panicking::default_hook::he4af6af4ac7fef7b [INFO] [stderr] at src/libstd/panicking.rs:211 [INFO] [stderr] 4: 0x556959efeeaf - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f [INFO] [stderr] at src/libstd/panicking.rs:474 [INFO] [stderr] 5: 0x556959eeb697 - std::panicking::begin_panic::h57590092936bcc7a [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:408 [INFO] [stderr] 6: 0x556959e9ef8e - async_await::test_default::{{closure}}::h95ecda3e0f6275e5 [INFO] [stderr] at src/lib.rs:69 [INFO] [stderr] 7: 0x556959e9a0f2 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc73e34a59f66c205 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136 [INFO] [stderr] 8: 0x556959e9615d - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h5814dc1304dcd6fe [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470 [INFO] [stderr] 9: 0x556959e96e50 - as core::ops::function::FnOnce<()>>::call_once::h759367a9822cee13 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315 [INFO] [stderr] 10: 0x556959e9d9a4 - std::panicking::try::do_call::h6abafe49b73cbc1f [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293 [INFO] [stderr] 11: 0x556959f01c09 - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:85 [INFO] [stderr] 12: 0x556959e9d7e0 - std::panicking::try::heed00a06af55bfae [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272 [INFO] [stderr] 13: 0x556959e96f72 - std::panic::catch_unwind::h692925b3d9c6e3d3 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394 [INFO] [stderr] 14: 0x556959e94da5 - std::thread::Builder::spawn_unchecked::{{closure}}::h1c6eb4e6d7e1d561 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469 [INFO] [stderr] 15: 0x556959e9a6c2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h5a6d8ec713c6b154 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231 [INFO] [stderr] 16: 0x556959ef311e - as core::ops::function::FnOnce>::call_once::h805c3cc89d534c05 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stderr] 17: 0x556959f012ef - std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stderr] at src/libstd/sys_common/thread.rs:13 [INFO] [stderr] at src/libstd/sys/unix/thread.rs:79 [INFO] [stderr] 18: 0x7f2ed67084a3 - start_thread [INFO] [stderr] 19: 0x7f2ed6233d0e - __clone [INFO] [stderr] 20: 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" "a1444cc05a9998795b9c00ebc632c11e67388697abfa0636b13a57df12f033a2"` [INFO] running `"docker" "rm" "-f" "a1444cc05a9998795b9c00ebc632c11e67388697abfa0636b13a57df12f033a2"` [INFO] [stdout] a1444cc05a9998795b9c00ebc632c11e67388697abfa0636b13a57df12f033a2