[INFO] cloning repository dmitri-mamrukov/test-setup-and-teardown-in-rust-without-a-framework [INFO] running `"git" "clone" "--bare" "git://github.com/dmitri-mamrukov/test-setup-and-teardown-in-rust-without-a-framework.git" "work/cache/sources/gh/dmitri-mamrukov/test-setup-and-teardown-in-rust-without-a-framework"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/dmitri-mamrukov/test-setup-and-teardown-in-rust-without-a-framework'... [INFO] running `"git" "clone" "work/cache/sources/gh/dmitri-mamrukov/test-setup-and-teardown-in-rust-without-a-framework" "work/ex/beta-1.37-6/sources/1.36.0/gh/dmitri-mamrukov/test-setup-and-teardown-in-rust-without-a-framework"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/dmitri-mamrukov/test-setup-and-teardown-in-rust-without-a-framework'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/dmitri-mamrukov/test-setup-and-teardown-in-rust-without-a-framework" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/dmitri-mamrukov/test-setup-and-teardown-in-rust-without-a-framework"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/dmitri-mamrukov/test-setup-and-teardown-in-rust-without-a-framework'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] f0e6c5d17d16111b8e35af66533ed07e144f4cfa [INFO] sha for GitHub repo dmitri-mamrukov/test-setup-and-teardown-in-rust-without-a-framework: f0e6c5d17d16111b8e35af66533ed07e144f4cfa [INFO] validating manifest of dmitri-mamrukov/test-setup-and-teardown-in-rust-without-a-framework 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 dmitri-mamrukov/test-setup-and-teardown-in-rust-without-a-framework 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 dmitri-mamrukov/test-setup-and-teardown-in-rust-without-a-framework [INFO] finished frobbing dmitri-mamrukov/test-setup-and-teardown-in-rust-without-a-framework [INFO] frobbed toml for dmitri-mamrukov/test-setup-and-teardown-in-rust-without-a-framework written to work/ex/beta-1.37-6/sources/1.36.0/gh/dmitri-mamrukov/test-setup-and-teardown-in-rust-without-a-framework/Cargo.toml [INFO] started frobbing dmitri-mamrukov/test-setup-and-teardown-in-rust-without-a-framework [INFO] finished frobbing dmitri-mamrukov/test-setup-and-teardown-in-rust-without-a-framework [INFO] frobbed toml for dmitri-mamrukov/test-setup-and-teardown-in-rust-without-a-framework written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/dmitri-mamrukov/test-setup-and-teardown-in-rust-without-a-framework/Cargo.toml [INFO] crate dmitri-mamrukov/test-setup-and-teardown-in-rust-without-a-framework 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 dmitri-mamrukov/test-setup-and-teardown-in-rust-without-a-framework 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-1/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/dmitri-mamrukov/test-setup-and-teardown-in-rust-without-a-framework:/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] b903c470cf17ed584967aff478b38ffc2edfb10e36b271a220c864bb8a71e276 [INFO] running `"docker" "start" "-a" "b903c470cf17ed584967aff478b38ffc2edfb10e36b271a220c864bb8a71e276"` [INFO] [stderr] Compiling test_setup_and_teardown_without_a_framework v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.51s [INFO] running `"docker" "inspect" "b903c470cf17ed584967aff478b38ffc2edfb10e36b271a220c864bb8a71e276"` [INFO] running `"docker" "rm" "-f" "b903c470cf17ed584967aff478b38ffc2edfb10e36b271a220c864bb8a71e276"` [INFO] [stdout] b903c470cf17ed584967aff478b38ffc2edfb10e36b271a220c864bb8a71e276 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/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/dmitri-mamrukov/test-setup-and-teardown-in-rust-without-a-framework:/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] ecbd45bb01e70ef3686320874dc98f222acd7bc22d7f0c925cba60ad71d0d263 [INFO] running `"docker" "start" "-a" "ecbd45bb01e70ef3686320874dc98f222acd7bc22d7f0c925cba60ad71d0d263"` [INFO] [stderr] Compiling test_setup_and_teardown_without_a_framework v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.37s [INFO] running `"docker" "inspect" "ecbd45bb01e70ef3686320874dc98f222acd7bc22d7f0c925cba60ad71d0d263"` [INFO] running `"docker" "rm" "-f" "ecbd45bb01e70ef3686320874dc98f222acd7bc22d7f0c925cba60ad71d0d263"` [INFO] [stdout] ecbd45bb01e70ef3686320874dc98f222acd7bc22d7f0c925cba60ad71d0d263 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/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/dmitri-mamrukov/test-setup-and-teardown-in-rust-without-a-framework:/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] 3ba8f1a1cc8fbcbd63168405dd21b168398f647bb3457dc2e42d28465ce1e69e [INFO] running `"docker" "start" "-a" "3ba8f1a1cc8fbcbd63168405dd21b168398f647bb3457dc2e42d28465ce1e69e"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/crater/target/debug/deps/test_setup_and_teardown_without_a_framework-e05822a64819eb86 [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test file_reading_tests::read_file ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- file_reading_tests::read_file stdout ---- [INFO] [stdout] thread 'file_reading_tests::read_file' panicked at 'Could not create a file.: Os { code: 30, kind: Other, message: "Read-only file system" }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5618c65e7eeb - 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: 0x5618c65e7eeb - 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: 0x5618c65e7eeb - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5618c65e7eeb - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5618c65e7eeb - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5618c65e7b5a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5618c65e8660 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5618c65e81e2 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5618c65e80c6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5618c65fe1bd - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5618c659da6f - core::result::unwrap_failed::h17fc8f3fa7f55321 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5618c659e3c0 - core::result::Result::expect::hf628b3d3e7487736 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:827 [INFO] [stdout] 12: 0x5618c6599804 - test_setup_and_teardown_without_a_framework::set_up::h0b6172794790503f [INFO] [stdout] at src/lib.rs:9 [INFO] [stdout] 13: 0x5618c65998e3 - test_setup_and_teardown_without_a_framework::run_test::hf625800205752091 [INFO] [stdout] at src/lib.rs:23 [INFO] [stdout] 14: 0x5618c65949b6 - test_setup_and_teardown_without_a_framework::file_reading_tests::read_file::he586cc41ba7f74b4 [INFO] [stdout] at src/lib.rs:41 [INFO] [stdout] 15: 0x5618c659499a - test_setup_and_teardown_without_a_framework::file_reading_tests::read_file::{{closure}}::h2b98562f55248c8f [INFO] [stdout] at src/lib.rs:40 [INFO] [stdout] 16: 0x5618c659b73e - core::ops::function::FnOnce::call_once::h229a8c012f4dd392 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 17: 0x5618c65aab2f - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 18: 0x5618c65eacda - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 19: 0x5618c65c5128 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 20: 0x5618c65c5128 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 21: 0x5618c65c5128 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 22: 0x5618c659ffa5 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 23: 0x5618c65a4125 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 24: 0x5618c65a4125 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 25: 0x5618c65a4125 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 26: 0x5618c65eacda - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 27: 0x5618c65a4762 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 28: 0x5618c65a4762 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 29: 0x5618c65a4762 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 30: 0x5618c65a4762 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 31: 0x5618c65ddc8f - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 32: 0x5618c65ea430 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 33: 0x5618c65ea430 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 34: 0x5618c65ea430 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 35: 0x7f9cf04584a4 - start_thread [INFO] [stdout] 36: 0x7f9ceff83d0f - __clone [INFO] [stdout] 37: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] file_reading_tests::read_file [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 '--lib' [INFO] running `"docker" "inspect" "3ba8f1a1cc8fbcbd63168405dd21b168398f647bb3457dc2e42d28465ce1e69e"` [INFO] running `"docker" "rm" "-f" "3ba8f1a1cc8fbcbd63168405dd21b168398f647bb3457dc2e42d28465ce1e69e"` [INFO] [stdout] 3ba8f1a1cc8fbcbd63168405dd21b168398f647bb3457dc2e42d28465ce1e69e