[INFO] updating cached repository jiftechnify/rs-wordcount [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/jiftechnify/rs-wordcount [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/jiftechnify/rs-wordcount" "work/ex/beta-1.37-6/sources/1.36.0/gh/jiftechnify/rs-wordcount"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/jiftechnify/rs-wordcount'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/jiftechnify/rs-wordcount" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jiftechnify/rs-wordcount"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jiftechnify/rs-wordcount'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 1b67caf1e5b40cfb97c8a5736b9dfa1cdf4c411b [INFO] sha for GitHub repo jiftechnify/rs-wordcount: 1b67caf1e5b40cfb97c8a5736b9dfa1cdf4c411b [INFO] validating manifest of jiftechnify/rs-wordcount 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 jiftechnify/rs-wordcount 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 jiftechnify/rs-wordcount [INFO] finished frobbing jiftechnify/rs-wordcount [INFO] frobbed toml for jiftechnify/rs-wordcount written to work/ex/beta-1.37-6/sources/1.36.0/gh/jiftechnify/rs-wordcount/Cargo.toml [INFO] started frobbing jiftechnify/rs-wordcount [INFO] finished frobbing jiftechnify/rs-wordcount [INFO] frobbed toml for jiftechnify/rs-wordcount written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jiftechnify/rs-wordcount/Cargo.toml [INFO] crate jiftechnify/rs-wordcount 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 jiftechnify/rs-wordcount 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-0/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/jiftechnify/rs-wordcount:/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] 823b1c062c6b34ebe9763a0e11f27cbda1be4060b154ad7ef99a982d03139ba7 [INFO] running `"docker" "start" "-a" "823b1c062c6b34ebe9763a0e11f27cbda1be4060b154ad7ef99a982d03139ba7"` [INFO] [stderr] Compiling wordcount v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.43s [INFO] running `"docker" "inspect" "823b1c062c6b34ebe9763a0e11f27cbda1be4060b154ad7ef99a982d03139ba7"` [INFO] running `"docker" "rm" "-f" "823b1c062c6b34ebe9763a0e11f27cbda1be4060b154ad7ef99a982d03139ba7"` [INFO] [stdout] 823b1c062c6b34ebe9763a0e11f27cbda1be4060b154ad7ef99a982d03139ba7 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/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/jiftechnify/rs-wordcount:/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] 5e5083f82ad88f51e0bb2ad4218c39d466d7161829be90df0ec5ea77544a24d4 [INFO] running `"docker" "start" "-a" "5e5083f82ad88f51e0bb2ad4218c39d466d7161829be90df0ec5ea77544a24d4"` [INFO] [stderr] Compiling wordcount v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.44s [INFO] running `"docker" "inspect" "5e5083f82ad88f51e0bb2ad4218c39d466d7161829be90df0ec5ea77544a24d4"` [INFO] running `"docker" "rm" "-f" "5e5083f82ad88f51e0bb2ad4218c39d466d7161829be90df0ec5ea77544a24d4"` [INFO] [stdout] 5e5083f82ad88f51e0bb2ad4218c39d466d7161829be90df0ec5ea77544a24d4 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/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/jiftechnify/rs-wordcount:/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] bf88bd579af3ca5f1f82f1d96db02bdf529a517e34361d2c099d3815c8d263ab [INFO] running `"docker" "start" "-a" "bf88bd579af3ca5f1f82f1d96db02bdf529a517e34361d2c099d3815c8d263ab"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running /opt/crater/target/debug/deps/wordcount-71ee539a49a7597b [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test test::word_count_works3 ... ok [INFO] [stdout] test test::word_count_works ... ok [INFO] [stdout] test test::result_test ... FAILED [INFO] [stdout] test test::word_count_do_not_contain_unknown_words ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- test::result_test stdout ---- [INFO] [stdout] Error: Os { code: 30, kind: Other, message: "Read-only file system" } [INFO] [stdout] thread 'test::result_test' panicked at 'assertion failed: `(left == right)` [INFO] [stdout] left: `1`, [INFO] [stdout] right: `0`: the test returned a termination value with a non-zero status code (1) which indicates a failure', src/libtest/lib.rs:334:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x563b6fe072cb - 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: 0x563b6fe072cb - 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: 0x563b6fe072cb - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x563b6fe072cb - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x563b6fe072cb - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x563b6fe06f3a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x563b6fe07a40 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x563b6fe075c2 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x563b6fe0750f - std::panicking::begin_panic_fmt::he65a2e8ff19d8ae0 [INFO] [stdout] at src/libstd/panicking.rs:339 [INFO] [stdout] 9: 0x563b6fbd2b10 - test::assert_test_result::h99fdf2f7e77b31b4 [INFO] [stdout] at /opt/crater/workdir/<::std::macros::panic macros>:9 [INFO] [stdout] 10: 0x563b6fbc9c9c - wordcount::test::result_test::{{closure}}::h54d9616fc9321d1d [INFO] [stdout] at src/lib.rs:105 [INFO] [stdout] 11: 0x563b6fbd304e - core::ops::function::FnOnce::call_once::hff6fcd9ba05d76da [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: 0x563b6fbdf21f - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: 0x563b6fe0a40a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: 0x563b6fbf9818 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 15: 0x563b6fbf9818 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 16: 0x563b6fbf9818 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 17: 0x563b6fbd4695 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 18: 0x563b6fbd8815 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 19: 0x563b6fbd8815 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 20: 0x563b6fbd8815 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 21: 0x563b6fe0a40a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 22: 0x563b6fbd8e52 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 23: 0x563b6fbd8e52 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 24: 0x563b6fbd8e52 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 25: 0x563b6fbd8e52 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 26: 0x563b6fdfc80f - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 27: 0x563b6fe09840 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 28: 0x563b6fe09840 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 29: 0x563b6fe09840 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 30: 0x7f240815a4a4 - start_thread [INFO] [stdout] 31: 0x7f2407c85d0f - __clone [INFO] [stdout] 32: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] test::result_test [INFO] [stdout] [INFO] [stdout] test result: FAILED. 3 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" "bf88bd579af3ca5f1f82f1d96db02bdf529a517e34361d2c099d3815c8d263ab"` [INFO] running `"docker" "rm" "-f" "bf88bd579af3ca5f1f82f1d96db02bdf529a517e34361d2c099d3815c8d263ab"` [INFO] [stdout] bf88bd579af3ca5f1f82f1d96db02bdf529a517e34361d2c099d3815c8d263ab