[INFO] fetching crate scdlang_xstate 0.2.1... [INFO] extracting crate scdlang_xstate 0.2.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/scdlang_xstate/0.2.1 [INFO] extracting crate scdlang_xstate 0.2.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/scdlang_xstate/0.2.1 [INFO] validating manifest of scdlang_xstate-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 scdlang_xstate-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 scdlang_xstate-0.2.1 [INFO] finished frobbing scdlang_xstate-0.2.1 [INFO] frobbed toml for scdlang_xstate-0.2.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/scdlang_xstate/0.2.1/Cargo.toml [INFO] started frobbing scdlang_xstate-0.2.1 [INFO] finished frobbing scdlang_xstate-0.2.1 [INFO] frobbed toml for scdlang_xstate-0.2.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/scdlang_xstate/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] [stderr] Blocking waiting for file lock on package cache lock [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded voca_rs v1.8.0 [INFO] [stderr] Downloaded scdlang v0.2.1 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing scdlang_xstate-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-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/scdlang_xstate/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] 74b8c566f2d6b0e9701c611cd41b8ee7fccb6306566ede2a29082188a77bc067 [INFO] running `"docker" "start" "-a" "74b8c566f2d6b0e9701c611cd41b8ee7fccb6306566ede2a29082188a77bc067"` [INFO] [stderr] Compiling html5ever v0.21.0 [INFO] [stderr] Compiling pest_generator v2.1.0 [INFO] [stderr] Compiling string_cache v0.6.2 [INFO] [stderr] Compiling markup5ever v0.6.2 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Compiling scdlang v0.2.1 [INFO] [stderr] Compiling dissolve v0.2.2 [INFO] [stderr] Compiling voca_rs v1.8.0 [INFO] [stderr] Compiling scdlang_xstate v0.2.1 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 26.56s [INFO] running `"docker" "inspect" "74b8c566f2d6b0e9701c611cd41b8ee7fccb6306566ede2a29082188a77bc067"` [INFO] running `"docker" "rm" "-f" "74b8c566f2d6b0e9701c611cd41b8ee7fccb6306566ede2a29082188a77bc067"` [INFO] [stdout] 74b8c566f2d6b0e9701c611cd41b8ee7fccb6306566ede2a29082188a77bc067 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/scdlang_xstate/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] c01e9dc6f4449b5d7e9969a4bd152c56bce6543fd45a2005fa69a8643ecaa2c7 [INFO] running `"docker" "start" "-a" "c01e9dc6f4449b5d7e9969a4bd152c56bce6543fd45a2005fa69a8643ecaa2c7"` [INFO] [stderr] Compiling assert-json-diff v1.0.0 [INFO] [stderr] Compiling scdlang_xstate v0.2.1 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.37s [INFO] running `"docker" "inspect" "c01e9dc6f4449b5d7e9969a4bd152c56bce6543fd45a2005fa69a8643ecaa2c7"` [INFO] running `"docker" "rm" "-f" "c01e9dc6f4449b5d7e9969a4bd152c56bce6543fd45a2005fa69a8643ecaa2c7"` [INFO] [stdout] c01e9dc6f4449b5d7e9969a4bd152c56bce6543fd45a2005fa69a8643ecaa2c7 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/scdlang_xstate/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] 86cea0d7736380ebe78ec4548a68c0320bf3e5ac4d6444afc08be5ea623cf24d [INFO] running `"docker" "start" "-a" "86cea0d7736380ebe78ec4548a68c0320bf3e5ac4d6444afc08be5ea623cf24d"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stderr] Running /opt/crater/target/debug/deps/scdlang_xstate-5adb14ddc52b1368 [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test machine::test::eventful_transition ... ok [INFO] [stderr] Doc-tests scdlang_xstate [INFO] [stdout] test machine::test::no_clear_cache ... ok [INFO] [stdout] test machine::test::transient_transition ... ok [INFO] [stdout] test machine::test::clear_cache ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/machine/mod.rs - machine::Machine (line 15) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/machine/mod.rs - machine::Machine (line 15) stdout ---- [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `Machine` [INFO] [stdout] --> src/machine/mod.rs:16:14 [INFO] [stdout] | [INFO] [stdout] 3 | let xstate = Machine::new(); [INFO] [stdout] | ^^^^^^^ use of undeclared type or module `Machine` [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `parser` in this scope [INFO] [stdout] --> src/machine/mod.rs:19:1 [INFO] [stdout] | [INFO] [stdout] 6 | parser.parse("A -> B")?; [INFO] [stdout] | ^^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `parser` in this scope [INFO] [stdout] --> src/machine/mod.rs:21:16 [INFO] [stdout] | [INFO] [stdout] 8 | println!("{}", parser.to_string()); [INFO] [stdout] | ^^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `std::ops::Try`) [INFO] [stdout] --> src/machine/mod.rs:19:1 [INFO] [stdout] | [INFO] [stdout] 6 | parser.parse("A -> B")?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] | [INFO] [stdout] = help: the trait `std::ops::Try` is not implemented for `()` [INFO] [stdout] = note: required by `std::ops::Try::from_error` [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0425, E0433. [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] thread 'src/machine/mod.rs - machine::Machine (line 15)' panicked at 'couldn't compile the test', src/librustdoc/test.rs:319:13 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x7f00d7e73823 - 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: 0x7f00d7e6b4cb - std::sys_common::backtrace::_print::h49a82ae9552e35c7 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:71 [INFO] [stdout] 2: 0x7f00d7e6fa56 - 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: 0x7f00d7e6f77e - std::panicking::default_hook::he4af6af4ac7fef7b [INFO] [stdout] at src/libstd/panicking.rs:208 [INFO] [stdout] 4: 0x7f00d7e70248 - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f [INFO] [stdout] at src/libstd/panicking.rs:478 [INFO] [stdout] 5: 0x562d22401784 - std::panicking::begin_panic::h2203228e86eb91b5 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:408 [INFO] [stdout] 6: 0x562d223f768f - rustdoc::test::run_test::h29a20600da33f74f [INFO] [stdout] at src/librustdoc/test.rs:319 [INFO] [stdout] 7: 0x562d223eb7c9 - 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: 0x7f00d93f6b7e - as core::ops::function::FnOnce>::call_once::h6b004fa8f4fc1608 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 9: 0x7f00d93f6b7e - as core::ops::function::FnOnce>::call_once::h6b004fa8f4fc1608 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 10: 0x7f00d7e81169 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 11: 0x7f00d9411f87 - 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: 0x7f00d93eb9a4 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136 [INFO] [stdout] 13: 0x7f00d93efa54 - 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: 0x7f00d7e81169 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 15: 0x7f00d93f0551 - 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: 0x7f00d7e5236e - as core::ops::function::FnOnce>::call_once::h805c3cc89d534c05 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 17: 0x7f00d7e7fddf - 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: 0x7f00d79e94a3 - start_thread [INFO] [stdout] 19: 0x7f00d7514d0e - __clone [INFO] [stdout] 20: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/machine/mod.rs - machine::Machine (line 15) [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" "86cea0d7736380ebe78ec4548a68c0320bf3e5ac4d6444afc08be5ea623cf24d"` [INFO] running `"docker" "rm" "-f" "86cea0d7736380ebe78ec4548a68c0320bf3e5ac4d6444afc08be5ea623cf24d"` [INFO] [stdout] 86cea0d7736380ebe78ec4548a68c0320bf3e5ac4d6444afc08be5ea623cf24d