[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 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"` [INFO] [stdout] e0d26ebe87293f1e173cdd59f49bacff4b04a4b0164f50e45f8d0ef7c175df4d [INFO] running `"docker" "start" "-a" "e0d26ebe87293f1e173cdd59f49bacff4b04a4b0164f50e45f8d0ef7c175df4d"` [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 0.39s [INFO] running `"docker" "inspect" "e0d26ebe87293f1e173cdd59f49bacff4b04a4b0164f50e45f8d0ef7c175df4d"` [INFO] running `"docker" "rm" "-f" "e0d26ebe87293f1e173cdd59f49bacff4b04a4b0164f50e45f8d0ef7c175df4d"` [INFO] [stdout] e0d26ebe87293f1e173cdd59f49bacff4b04a4b0164f50e45f8d0ef7c175df4d [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"` [INFO] [stdout] fd8e69a8cf0604d78f6016107cf248e2ac90b2af62bedbf475121cffc15be983 [INFO] running `"docker" "start" "-a" "fd8e69a8cf0604d78f6016107cf248e2ac90b2af62bedbf475121cffc15be983"` [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 1.40s [INFO] running `"docker" "inspect" "fd8e69a8cf0604d78f6016107cf248e2ac90b2af62bedbf475121cffc15be983"` [INFO] running `"docker" "rm" "-f" "fd8e69a8cf0604d78f6016107cf248e2ac90b2af62bedbf475121cffc15be983"` [INFO] [stdout] fd8e69a8cf0604d78f6016107cf248e2ac90b2af62bedbf475121cffc15be983 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"` [INFO] [stdout] 196d3acdf6f863fb098bc62ddcd9b669c8280340d55d8051cf512294788a4fd1 [INFO] running `"docker" "start" "-a" "196d3acdf6f863fb098bc62ddcd9b669c8280340d55d8051cf512294788a4fd1"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/crater/target/debug/deps/test_setup_and_teardown_without_a_framework-2e76ff769a6c8d15 [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: 0x558695c19eeb - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x558695c19eeb - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x558695c19eeb - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x558695c19eeb - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x558695c19eeb - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x558695c19b5a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x558695c1a660 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x558695c1a1e2 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x558695c1a0c6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x558695c301bd - core::panicking::panic_fmt::h2daf88b2616ca2b2 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x558695bcfa6f - core::result::unwrap_failed::h52947bf5f7f1c47b [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x558695bd02e0 - core::result::Result::expect::h0be232ec52d9b083 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:827 [INFO] [stdout] 12: 0x558695bcb7f4 - test_setup_and_teardown_without_a_framework::set_up::h6404ff011817f4bb [INFO] [stdout] at src/lib.rs:9 [INFO] [stdout] 13: 0x558695bcb8d3 - test_setup_and_teardown_without_a_framework::run_test::hc3d30d0170d5a887 [INFO] [stdout] at src/lib.rs:23 [INFO] [stdout] 14: 0x558695bc69b6 - test_setup_and_teardown_without_a_framework::file_reading_tests::read_file::h49e32b34b7c50f8d [INFO] [stdout] at src/lib.rs:41 [INFO] [stdout] 15: 0x558695bc699a - test_setup_and_teardown_without_a_framework::file_reading_tests::read_file::{{closure}}::h2de92f17ab8fdae4 [INFO] [stdout] at src/lib.rs:40 [INFO] [stdout] 16: 0x558695bcd76e - core::ops::function::FnOnce::call_once::h73b1b9b104598358 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 17: 0x558695bdcb2f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 18: 0x558695c1ccda - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 19: 0x558695bf7128 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 20: 0x558695bf7128 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 21: 0x558695bf7128 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 22: 0x558695bd1fa5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 23: 0x558695bd6065 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 24: 0x558695bd6065 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 25: 0x558695bd6065 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 26: 0x558695c1ccda - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 27: 0x558695bd6762 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 28: 0x558695bd6762 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 29: 0x558695bd6762 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 30: 0x558695bd6762 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 31: 0x558695c0fc8f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 32: 0x558695c1c430 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 33: 0x558695c1c430 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 34: 0x558695c1c430 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 35: 0x7f3945c9b4a4 - start_thread [INFO] [stdout] 36: 0x7f39457c6d0f - __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" "196d3acdf6f863fb098bc62ddcd9b669c8280340d55d8051cf512294788a4fd1"` [INFO] running `"docker" "rm" "-f" "196d3acdf6f863fb098bc62ddcd9b669c8280340d55d8051cf512294788a4fd1"` [INFO] [stdout] 196d3acdf6f863fb098bc62ddcd9b669c8280340d55d8051cf512294788a4fd1