[INFO] crate stream-combinators 0.1.0 is already in cache [INFO] extracting crate stream-combinators 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/stream-combinators/0.1.0 [INFO] extracting crate stream-combinators 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/stream-combinators/0.1.0 [INFO] validating manifest of stream-combinators-0.1.0 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 stream-combinators-0.1.0 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 stream-combinators-0.1.0 [INFO] finished frobbing stream-combinators-0.1.0 [INFO] frobbed toml for stream-combinators-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/stream-combinators/0.1.0/Cargo.toml [INFO] started frobbing stream-combinators-0.1.0 [INFO] finished frobbing stream-combinators-0.1.0 [INFO] frobbed toml for stream-combinators-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/stream-combinators/0.1.0/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 stream-combinators-0.1.0 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-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/stream-combinators/0.1.0:/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] 56da02a3ec196411af4c2cb9d68569b3517080a8aeeef753206e74b33f914ae9 [INFO] running `"docker" "start" "-a" "56da02a3ec196411af4c2cb9d68569b3517080a8aeeef753206e74b33f914ae9"` [INFO] [stderr] Compiling stream-combinators v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.33s [INFO] running `"docker" "inspect" "56da02a3ec196411af4c2cb9d68569b3517080a8aeeef753206e74b33f914ae9"` [INFO] running `"docker" "rm" "-f" "56da02a3ec196411af4c2cb9d68569b3517080a8aeeef753206e74b33f914ae9"` [INFO] [stdout] 56da02a3ec196411af4c2cb9d68569b3517080a8aeeef753206e74b33f914ae9 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/stream-combinators/0.1.0:/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] 19636d842ae2389602f76ef723b3ea563fa516dd1284aac475dcc03e5f4fdc6a [INFO] running `"docker" "start" "-a" "19636d842ae2389602f76ef723b3ea563fa516dd1284aac475dcc03e5f4fdc6a"` [INFO] [stderr] Compiling tokio-stdin v0.1.2 [INFO] [stderr] Compiling stream-combinators v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> examples/into_pairs.rs:9:41 [INFO] [stderr] | [INFO] [stderr] 9 | let number_stream = iter_ok::<_,()>((0..6)); [INFO] [stderr] | ^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_parens)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.20s [INFO] running `"docker" "inspect" "19636d842ae2389602f76ef723b3ea563fa516dd1284aac475dcc03e5f4fdc6a"` [INFO] running `"docker" "rm" "-f" "19636d842ae2389602f76ef723b3ea563fa516dd1284aac475dcc03e5f4fdc6a"` [INFO] [stdout] 19636d842ae2389602f76ef723b3ea563fa516dd1284aac475dcc03e5f4fdc6a [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/stream-combinators/0.1.0:/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] 0e38895d917280c2d0f136342cb30a5992797b4b23ebed2b67119e38fd2817f7 [INFO] running `"docker" "start" "-a" "0e38895d917280c2d0f136342cb30a5992797b4b23ebed2b67119e38fd2817f7"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.11s [INFO] [stderr] Running /opt/crater/target/debug/deps/stream_combinators-fca30e3b450b2179 [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] [stderr] Doc-tests stream-combinators [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/filter_fold.rs - filter_fold::FilterFold (line 21) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/filter_fold.rs - filter_fold::FilterFold (line 21) stdout ---- [INFO] [stdout] error[E0433]: failed to resolve: maybe a missing `extern crate futures;`? [INFO] [stdout] --> src/filter_fold.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 4 | use futures::stream::{iter_ok, Stream}; [INFO] [stdout] | ^^^^^^^ maybe a missing `extern crate futures;`? [INFO] [stdout] [INFO] [stdout] error[E0432]: unresolved import `futures` [INFO] [stdout] --> src/filter_fold.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 5 | use futures::Future; [INFO] [stdout] | ^^^^^^^ maybe a missing `extern crate futures;`? [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find function `iter_ok` in this scope [INFO] [stdout] --> src/filter_fold.rs:26:21 [INFO] [stdout] | [INFO] [stdout] 8 | let number_stream = iter_ok::<_,()>((0..6)); [INFO] [stdout] | ^^^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0425, E0432, E0433. [INFO] [stdout] For more information about an error, try `rustc --explain E0425`. [INFO] [stdout] thread 'src/filter_fold.rs - filter_fold::FilterFold (line 21)' panicked at 'couldn't compile the test', src/librustdoc/test.rs:319:13 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x7f13ba3a8823 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55 [INFO] [stdout] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39 [INFO] [stdout] 1: 0x7f13ba3a04cb - std::sys_common::backtrace::_print::h49a82ae9552e35c7 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:71 [INFO] [stdout] 2: 0x7f13ba3a4a56 - std::panicking::default_hook::{{closure}}::he20974adbefcc046 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] at src/libstd/panicking.rs:197 [INFO] [stdout] 3: 0x7f13ba3a477e - std::panicking::default_hook::he4af6af4ac7fef7b [INFO] [stdout] at src/libstd/panicking.rs:208 [INFO] [stdout] 4: 0x7f13ba3a515f - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f [INFO] [stdout] at src/libstd/panicking.rs:474 [INFO] [stdout] 5: 0x564573e94784 - std::panicking::begin_panic::h2203228e86eb91b5 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:408 [INFO] [stdout] 6: 0x564573e8a68f - rustdoc::test::run_test::h29a20600da33f74f [INFO] [stdout] at src/librustdoc/test.rs:319 [INFO] [stdout] 7: 0x564573e7e7c9 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h84ad3bdb52e265e9 [INFO] [stdout] at src/librustdoc/test.rs:715 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231 [INFO] [stdout] 8: 0x7f13bb92bb7e - as core::ops::function::FnOnce>::call_once::h6b004fa8f4fc1608 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 9: 0x7f13bb92bb7e - as core::ops::function::FnOnce>::call_once::h6b004fa8f4fc1608 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 10: 0x7f13ba3b6169 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 11: 0x7f13bb946f87 - test::run_test::run_test_inner::{{closure}}::h9a4d23c41d058d37 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394 [INFO] [stdout] at src/libtest/lib.rs:1468 [INFO] [stdout] 12: 0x7f13bb9209a4 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136 [INFO] [stdout] 13: 0x7f13bb924a54 - std::panicking::try::do_call::h6f86e980b52f74d5 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293 [INFO] [stdout] 14: 0x7f13ba3b6169 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 15: 0x7f13bb925551 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h760b8a2b155f54c3 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231 [INFO] [stdout] 16: 0x7f13ba38736e - as core::ops::function::FnOnce>::call_once::h805c3cc89d534c05 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 17: 0x7f13ba3b4ddf - std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 18: 0x7f13b9f1e4a3 - start_thread [INFO] [stdout] 19: 0x7f13b9a49d0e - __clone [INFO] [stdout] 20: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/filter_fold.rs - filter_fold::FilterFold (line 21) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `"docker" "inspect" "0e38895d917280c2d0f136342cb30a5992797b4b23ebed2b67119e38fd2817f7"` [INFO] running `"docker" "rm" "-f" "0e38895d917280c2d0f136342cb30a5992797b4b23ebed2b67119e38fd2817f7"` [INFO] [stdout] 0e38895d917280c2d0f136342cb30a5992797b4b23ebed2b67119e38fd2817f7