[INFO] updating cached repository iKevinY/ghoti.rs [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/iKevinY/ghoti.rs [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/iKevinY/ghoti.rs" "work/ex/beta-1.37-6/sources/1.36.0/gh/iKevinY/ghoti.rs"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/iKevinY/ghoti.rs'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/iKevinY/ghoti.rs" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/iKevinY/ghoti.rs"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/iKevinY/ghoti.rs'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 40a463d89722b856684d95dc373e396eab728f90 [INFO] sha for GitHub repo iKevinY/ghoti.rs: 40a463d89722b856684d95dc373e396eab728f90 [INFO] validating manifest of iKevinY/ghoti.rs 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 iKevinY/ghoti.rs 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 iKevinY/ghoti.rs [INFO] finished frobbing iKevinY/ghoti.rs [INFO] frobbed toml for iKevinY/ghoti.rs written to work/ex/beta-1.37-6/sources/1.36.0/gh/iKevinY/ghoti.rs/Cargo.toml [INFO] started frobbing iKevinY/ghoti.rs [INFO] finished frobbing iKevinY/ghoti.rs [INFO] frobbed toml for iKevinY/ghoti.rs written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/iKevinY/ghoti.rs/Cargo.toml [INFO] crate iKevinY/ghoti.rs already has a lockfile, it will not be regenerated [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 iKevinY/ghoti.rs 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-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/iKevinY/ghoti.rs:/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] 4b7798b240b5e4701f177058132939a1e7246662072ea16de158887ef5409d6e [INFO] running `"docker" "start" "-a" "4b7798b240b5e4701f177058132939a1e7246662072ea16de158887ef5409d6e"` [INFO] [stderr] Compiling regex-syntax v0.4.0 [INFO] [stderr] Compiling getopts v0.2.14 [INFO] [stderr] Compiling lazy_static v0.2.4 [INFO] [stderr] Compiling memchr v1.0.1 [INFO] [stderr] Compiling thread-id v3.0.0 [INFO] [stderr] Compiling thread_local v0.3.3 [INFO] [stderr] Compiling aho-corasick v0.6.2 [INFO] [stderr] warning[E0503]: cannot use `state` because it was mutably borrowed [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/getopts-0.2.14/src/lib.rs:1008:33 [INFO] [stderr] | [INFO] [stderr] 955 | let mut machine = |cont: &mut bool, (i, c): (usize, char)| { [INFO] [stderr] | ---------------------------------------- borrow of `state` occurs here [INFO] [stderr] ... [INFO] [stderr] 959 | state = match (state, whitespace, limit) { [INFO] [stderr] | ----- borrow occurs due to use of `state` in closure [INFO] [stderr] ... [INFO] [stderr] 1008 | while cont && match state { B | C => true, A => false } { [INFO] [stderr] | ^ use of borrowed `state` [INFO] [stderr] 1009 | machine(&mut cont, (fake_i, ' ')); [INFO] [stderr] | ------- borrow later used here [INFO] [stderr] | [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] Compiling regex v0.2.1 [INFO] [stderr] Compiling ghoti v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 19.61s [INFO] running `"docker" "inspect" "4b7798b240b5e4701f177058132939a1e7246662072ea16de158887ef5409d6e"` [INFO] running `"docker" "rm" "-f" "4b7798b240b5e4701f177058132939a1e7246662072ea16de158887ef5409d6e"` [INFO] [stdout] 4b7798b240b5e4701f177058132939a1e7246662072ea16de158887ef5409d6e [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/iKevinY/ghoti.rs:/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] 7110670e2f4f4a085313401064d189ce372330a8bb0ec02a50f3307667fdad85 [INFO] running `"docker" "start" "-a" "7110670e2f4f4a085313401064d189ce372330a8bb0ec02a50f3307667fdad85"` [INFO] [stderr] Compiling ghoti v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.22s [INFO] running `"docker" "inspect" "7110670e2f4f4a085313401064d189ce372330a8bb0ec02a50f3307667fdad85"` [INFO] running `"docker" "rm" "-f" "7110670e2f4f4a085313401064d189ce372330a8bb0ec02a50f3307667fdad85"` [INFO] [stdout] 7110670e2f4f4a085313401064d189ce372330a8bb0ec02a50f3307667fdad85 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/iKevinY/ghoti.rs:/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] e47e9a4b8b00d6d510eeb36654b9888d8401fdcf60a88378d25b9a9b1c883773 [INFO] running `"docker" "start" "-a" "e47e9a4b8b00d6d510eeb36654b9888d8401fdcf60a88378d25b9a9b1c883773"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running /opt/crater/target/debug/deps/ghoti-0f192066db433cb4 [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test tests::edit_count ... ok [INFO] [stdout] test tests::possible_candidates ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- tests::possible_candidates stdout ---- [INFO] [stdout] thread 'tests::possible_candidates' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55c8d63dcbcb - backtrace::backtrace::libunwind::trace::h5dfa5d4c5feed6dc [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55c8d63dcbcb - backtrace::backtrace::trace_unsynchronized::hb731fe64f3fa469f [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55c8d63dcbcb - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55c8d63dcbcb - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55c8d63dcbcb - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x55c8d63dc83a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x55c8d63dd340 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x55c8d63dcec2 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x55c8d63dcda6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x55c8d63f376d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55c8d62649f3 - core::result::unwrap_failed::h8c7c5b5226a43cd5 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55c8d62652d8 - core::result::Result::unwrap::hf53430a9fce400b4 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55c8d6265fac - ::deref::__static_ref_initialize::h8d6b8012fde5dfff [INFO] [stdout] at src/lib.rs:14 [INFO] [stdout] 13: 0x55c8d6265fac - core::ops::function::FnOnce::call_once::h17e2c371993a0239 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 14: 0x55c8d625ef73 - lazy_static::lazy::Lazy::get::{{closure}}::h328abb27e6e82311 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-0.2.4/src/lazy.rs:16 [INFO] [stdout] 15: 0x55c8d625f16b - std::sync::once::Once::call_once::{{closure}}::h938869e0d507e5b3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sync/once.rs:225 [INFO] [stdout] 16: 0x55c8d63d9c04 - std::sync::once::Once::call_inner::h2daeac7a28e6dd90 [INFO] [stdout] at src/libstd/sync/once.rs:392 [INFO] [stdout] 17: 0x55c8d625f0f3 - std::sync::once::Once::call_once::hba46fb52e26e1e31 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sync/once.rs:225 [INFO] [stdout] 18: 0x55c8d626b53f - lazy_static::lazy::Lazy::get::ha8bd5744bfe5f74f [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-0.2.4/src/lazy.rs:15 [INFO] [stdout] 19: 0x55c8d626b53f - ::deref::__stability::h0d7a441b88577a53 [INFO] [stdout] at /opt/crater/workdir/<::lazy_static::__lazy_static_internal macros>:21 [INFO] [stdout] 20: 0x55c8d626b53f - ::deref::h06ebc7cd2bd759af [INFO] [stdout] at /opt/crater/workdir/<::lazy_static::__lazy_static_internal macros>:22 [INFO] [stdout] 21: 0x55c8d6269fed - ghoti::candidates::hd5d807ace017216e [INFO] [stdout] at src/lib.rs:47 [INFO] [stdout] 22: 0x55c8d625c750 - ghoti::tests::possible_candidates::hd13e30f2eb1fc340 [INFO] [stdout] at src/lib.rs:148 [INFO] [stdout] 23: 0x55c8d625c71a - ghoti::tests::possible_candidates::{{closure}}::h34dd1092ee57be82 [INFO] [stdout] at src/lib.rs:147 [INFO] [stdout] 24: 0x55c8d626633e - core::ops::function::FnOnce::call_once::h259e57c762fe2294 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 25: 0x55c8d627749f - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 26: 0x55c8d63df8ba - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 27: 0x55c8d6291a98 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 28: 0x55c8d6291a98 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 29: 0x55c8d6291a98 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 30: 0x55c8d626c915 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 31: 0x55c8d6270a95 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 32: 0x55c8d6270a95 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 33: 0x55c8d6270a95 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 34: 0x55c8d63df8ba - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 35: 0x55c8d62710d2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 36: 0x55c8d62710d2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 37: 0x55c8d62710d2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 38: 0x55c8d62710d2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 39: 0x55c8d63d296f - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 40: 0x55c8d63df010 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 41: 0x55c8d63df010 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 42: 0x55c8d63df010 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 43: 0x7fad6c6834a4 - start_thread [INFO] [stdout] 44: 0x7fad6c1aed0f - __clone [INFO] [stdout] 45: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] tests::possible_candidates [INFO] [stdout] [INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--lib' [INFO] running `"docker" "inspect" "e47e9a4b8b00d6d510eeb36654b9888d8401fdcf60a88378d25b9a9b1c883773"` [INFO] running `"docker" "rm" "-f" "e47e9a4b8b00d6d510eeb36654b9888d8401fdcf60a88378d25b9a9b1c883773"` [INFO] [stdout] e47e9a4b8b00d6d510eeb36654b9888d8401fdcf60a88378d25b9a9b1c883773