[INFO] fetching crate async-await 0.2.1... [INFO] extracting crate async-await 0.2.1 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/async-await/0.2.1 [INFO] extracting crate async-await 0.2.1 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/async-await/0.2.1 [INFO] validating manifest of async-await-0.2.1 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of async-await-0.2.1 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "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/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/async-await/0.2.1/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing async-await-0.2.1 against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-1/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"` [INFO] [stdout] 78aed1548d368c249fc2a992cb4d993ce053902a3a97b3895e1e94f3e2e50ea6 [INFO] running `"docker" "start" "-a" "78aed1548d368c249fc2a992cb4d993ce053902a3a97b3895e1e94f3e2e50ea6"` [INFO] [stderr] Compiling async-await v0.2.1 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.42s [INFO] running `"docker" "inspect" "78aed1548d368c249fc2a992cb4d993ce053902a3a97b3895e1e94f3e2e50ea6"` [INFO] running `"docker" "rm" "-f" "78aed1548d368c249fc2a992cb4d993ce053902a3a97b3895e1e94f3e2e50ea6"` [INFO] [stdout] 78aed1548d368c249fc2a992cb4d993ce053902a3a97b3895e1e94f3e2e50ea6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-1/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"` [INFO] [stdout] 96cb2db91b20262629694f15cd3e4ff35e3eaab28c2e4b526ffd8e076fdb61a9 [INFO] running `"docker" "start" "-a" "96cb2db91b20262629694f15cd3e4ff35e3eaab28c2e4b526ffd8e076fdb61a9"` [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 1.73s [INFO] running `"docker" "inspect" "96cb2db91b20262629694f15cd3e4ff35e3eaab28c2e4b526ffd8e076fdb61a9"` [INFO] running `"docker" "rm" "-f" "96cb2db91b20262629694f15cd3e4ff35e3eaab28c2e4b526ffd8e076fdb61a9"` [INFO] [stdout] 96cb2db91b20262629694f15cd3e4ff35e3eaab28c2e4b526ffd8e076fdb61a9 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-1/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"` [INFO] [stdout] 7da8c0d207c392bb9597d694d9c78216f9ee56f87b18d7fabedd3ce13bff6b08 [INFO] running `"docker" "start" "-a" "7da8c0d207c392bb9597d694d9c78216f9ee56f87b18d7fabedd3ce13bff6b08"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/crater/target/debug/deps/async_await-d78038c0881b2031 [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test test_await ... ok [INFO] [stdout] test test_complex_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_simple_async ... ok [INFO] [stderr] 0: 0x55ad66ddc48b - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x55ad66ddc48b - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55ad66ddc48b - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x55ad66ddc48b - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x55ad66ddc48b - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 5: 0x55ad66ddc18c - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stderr] at src/libstd/panicking.rs:212 [INFO] [stderr] 6: 0x55ad66ddcc00 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stderr] at src/libstd/panicking.rs:475 [INFO] [stderr] 7: 0x55ad66dcbf98 - std::panicking::begin_panic::hf5358a3e727a8006 [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:409 [INFO] [stderr] 8: 0x55ad66d7cf3f - async_await::test_default::{{closure}}::h02fe757c9420446b [INFO] [stderr] at src/lib.rs:69 [INFO] [stderr] 9: 0x55ad66d7e213 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7b8a458bf87075fc [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stderr] 10: 0x55ad66d73a2e - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h5908e5bd4216d5bc [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stderr] 11: 0x55ad66d75a01 - as core::ops::function::FnOnce<()>>::call_once::haef2088c3256768b [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stderr] 12: 0x55ad66d7b905 - std::panicking::try::do_call::h3ac519aac0367a67 [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stderr] 13: 0x55ad66ddf7ca - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:85 [INFO] [stderr] 14: 0x55ad66d7b471 - std::panicking::try::h936b1234c8c7d23e [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stderr] 15: 0x55ad66d75b63 - std::panic::catch_unwind::hc5ae44a828a3adfc [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stderr] 16: 0x55ad66d73826 - std::thread::Builder::spawn_unchecked::{{closure}}::hf132176116c3fde3 [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stderr] 17: 0x55ad66d7ed33 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb9b11ddf66fd5015 [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stderr] 18: 0x55ad66dd244f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stderr] 19: 0x55ad66ddef10 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stderr] 20: 0x55ad66ddef10 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stderr] at src/libstd/sys_common/thread.rs:13 [INFO] [stderr] 21: 0x55ad66ddef10 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stderr] at src/libstd/sys/unix/thread.rs:79 [INFO] [stderr] 22: 0x7f62959cb4a4 - start_thread [INFO] [stderr] 23: 0x7f62954f6d0f - __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" "7da8c0d207c392bb9597d694d9c78216f9ee56f87b18d7fabedd3ce13bff6b08"` [INFO] running `"docker" "rm" "-f" "7da8c0d207c392bb9597d694d9c78216f9ee56f87b18d7fabedd3ce13bff6b08"` [INFO] [stdout] 7da8c0d207c392bb9597d694d9c78216f9ee56f87b18d7fabedd3ce13bff6b08