[INFO] updating cached repository dmitri-mamrukov/test-setup-and-teardown-in-rust-without-a-framework [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/dmitri-mamrukov/test-setup-and-teardown-in-rust-without-a-framework [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/dmitri-mamrukov/test-setup-and-teardown-in-rust-without-a-framework" "work/ex/beta-1.38-1/sources/1.37.0/gh/dmitri-mamrukov/test-setup-and-teardown-in-rust-without-a-framework"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/gh/dmitri-mamrukov/test-setup-and-teardown-in-rust-without-a-framework"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of dmitri-mamrukov/test-setup-and-teardown-in-rust-without-a-framework on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing dmitri-mamrukov/test-setup-and-teardown-in-rust-without-a-framework against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "build" "--frozen"` [INFO] [stdout] b5508f3acd6051e662cc9293d7cb62d2cb83d1914e9702f0f69921650a327913 [INFO] running `"docker" "start" "-a" "b5508f3acd6051e662cc9293d7cb62d2cb83d1914e9702f0f69921650a327913"` [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 0.37s [INFO] running `"docker" "inspect" "b5508f3acd6051e662cc9293d7cb62d2cb83d1914e9702f0f69921650a327913"` [INFO] running `"docker" "rm" "-f" "b5508f3acd6051e662cc9293d7cb62d2cb83d1914e9702f0f69921650a327913"` [INFO] [stdout] b5508f3acd6051e662cc9293d7cb62d2cb83d1914e9702f0f69921650a327913 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "test" "--frozen" "--no-run"` [INFO] [stdout] 1cd6dc2d2a290818f816f54202aa9032f83d9d7ad4dafcc1c65b4a0f50a56867 [INFO] running `"docker" "start" "-a" "1cd6dc2d2a290818f816f54202aa9032f83d9d7ad4dafcc1c65b4a0f50a56867"` [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 1.25s [INFO] running `"docker" "inspect" "1cd6dc2d2a290818f816f54202aa9032f83d9d7ad4dafcc1c65b4a0f50a56867"` [INFO] running `"docker" "rm" "-f" "1cd6dc2d2a290818f816f54202aa9032f83d9d7ad4dafcc1c65b4a0f50a56867"` [INFO] [stdout] 1cd6dc2d2a290818f816f54202aa9032f83d9d7ad4dafcc1c65b4a0f50a56867 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "test" "--frozen"` [INFO] [stdout] fe1010190986b33e36e60aed3695fae8b727ca353823bf3725fef87f7d922bac [INFO] running `"docker" "start" "-a" "fe1010190986b33e36e60aed3695fae8b727ca353823bf3725fef87f7d922bac"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running /opt/crater/target/debug/deps/test_setup_and_teardown_without_a_framework-a978714b65b1acd2 [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:1084:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x556e26cd734b - backtrace::backtrace::libunwind::trace::h23ae608c8b906c69 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x556e26cd734b - backtrace::backtrace::trace_unsynchronized::h65b3ea295a85fd48 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x556e26cd734b - std::sys_common::backtrace::_print::h24f527b44b6cfc06 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x556e26cd734b - std::sys_common::backtrace::print::h712608e4347fd64a [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x556e26cd734b - std::panicking::default_hook::{{closure}}::h6c3d570c2b500048 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x556e26cd6fbc - std::panicking::default_hook::hb29963fb4747e0dd [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x556e26cd7abd - std::panicking::rust_panic_with_hook::hd1236c3083de823a [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x556e26cd7642 - std::panicking::continue_panic_fmt::he38ad41d6304a12c [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x556e26cd7526 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x556e26ced8bd - core::panicking::panic_fmt::h1bc6de43c92ad80c [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x556e26ced9b7 - core::result::unwrap_failed::hd83f272814becce6 [INFO] [stdout] at src/libcore/result.rs:1084 [INFO] [stdout] 11: 0x556e26c89038 - core::result::Result::expect::h2c78dee7d947086c [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libcore/result.rs:879 [INFO] [stdout] 12: 0x556e26c87444 - test_setup_and_teardown_without_a_framework::set_up::h58c01cc777fa25ff [INFO] [stdout] at src/lib.rs:9 [INFO] [stdout] 13: 0x556e26c87513 - test_setup_and_teardown_without_a_framework::run_test::h863da184225c21da [INFO] [stdout] at src/lib.rs:23 [INFO] [stdout] 14: 0x556e26c849c6 - test_setup_and_teardown_without_a_framework::file_reading_tests::read_file::h6f283c18f17b9fd4 [INFO] [stdout] at src/lib.rs:41 [INFO] [stdout] 15: 0x556e26c849aa - test_setup_and_teardown_without_a_framework::file_reading_tests::read_file::{{closure}}::h894a5c50f83ca4c1 [INFO] [stdout] at src/lib.rs:40 [INFO] [stdout] 16: 0x556e26c8c9be - core::ops::function::FnOnce::call_once::h1382423be9794bc2 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libcore/ops/function.rs:235 [INFO] [stdout] 17: 0x556e26c9a20f - as core::ops::function::FnOnce>::call_once::h355e655b04400826 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:787 [INFO] [stdout] 18: 0x556e26cda49a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:80 [INFO] [stdout] 19: 0x556e26cb47fe - std::panicking::try::h5890cbed5d1d8df0 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:275 [INFO] [stdout] 20: 0x556e26cb47fe - std::panic::catch_unwind::hf93cc71fc6442fdf [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panic.rs:394 [INFO] [stdout] 21: 0x556e26cb47fe - test::run_test::run_test_inner::{{closure}}::ha399a28a3066698d [INFO] [stdout] at src/libtest/lib.rs:1408 [INFO] [stdout] 22: 0x556e26c8fc35 - std::sys_common::backtrace::__rust_begin_short_backtrace::h089859c639046955 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 23: 0x556e26c93e45 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h8d489100862c3e01 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/thread/mod.rs:470 [INFO] [stdout] 24: 0x556e26c93e45 - as core::ops::function::FnOnce<()>>::call_once::h5746c9e2571824d0 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panic.rs:315 [INFO] [stdout] 25: 0x556e26c93e45 - std::panicking::try::do_call::hfd443b32b22f72a6 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:296 [INFO] [stdout] 26: 0x556e26cda49a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:80 [INFO] [stdout] 27: 0x556e26c94442 - std::panicking::try::h332f368ed7d9b7d1 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:275 [INFO] [stdout] 28: 0x556e26c94442 - std::panic::catch_unwind::h316b7be8b4198222 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panic.rs:394 [INFO] [stdout] 29: 0x556e26c94442 - std::thread::Builder::spawn_unchecked::{{closure}}::h916aed08bc6e5276 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/thread/mod.rs:469 [INFO] [stdout] 30: 0x556e26c94442 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9091646be5c55ea6 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libcore/ops/function.rs:235 [INFO] [stdout] 31: 0x556e26ccd1ef - as core::ops::function::FnOnce>::call_once::hb5396a93648ae250 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:787 [INFO] [stdout] 32: 0x556e26cd9bd0 - as core::ops::function::FnOnce>::call_once::h92593001847bb63e [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:787 [INFO] [stdout] 33: 0x556e26cd9bd0 - std::sys_common::thread::start_thread::h569f3ccc0d5dcd83 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 34: 0x556e26cd9bd0 - std::sys::unix::thread::Thread::new::thread_start::hd9ff46fad032d886 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 35: 0x7fefdd8e74a4 - start_thread [INFO] [stdout] 36: 0x7fefdd412d0f - __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" "fe1010190986b33e36e60aed3695fae8b727ca353823bf3725fef87f7d922bac"` [INFO] running `"docker" "rm" "-f" "fe1010190986b33e36e60aed3695fae8b727ca353823bf3725fef87f7d922bac"` [INFO] [stdout] fe1010190986b33e36e60aed3695fae8b727ca353823bf3725fef87f7d922bac