[INFO] crate ephemeral 0.2.1 is already in cache [INFO] testing ephemeral-0.2.1 against beta-2019-09-28 for beta-1.39-1 [INFO] extracting crate ephemeral 0.2.1 into work/builds/worker-7/source [INFO] validating manifest of crates.io crate ephemeral 0.2.1 on toolchain beta-2019-09-28 [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate ephemeral 0.2.1 [INFO] finished tweaking crates.io crate ephemeral 0.2.1 [INFO] tweaked toml for crates.io crate ephemeral 0.2.1 written to work/builds/worker-7/source/Cargo.toml [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"` [INFO] [stdout] c836f40515da985397107ed6fec6957d4bf241e2d453e63574d78717a02578e6 [INFO] running `"docker" "start" "-a" "c836f40515da985397107ed6fec6957d4bf241e2d453e63574d78717a02578e6"` [INFO] [stderr] Compiling ephemeral v0.2.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.36s [INFO] running `"docker" "inspect" "c836f40515da985397107ed6fec6957d4bf241e2d453e63574d78717a02578e6"` [INFO] running `"docker" "rm" "-f" "c836f40515da985397107ed6fec6957d4bf241e2d453e63574d78717a02578e6"` [INFO] [stdout] c836f40515da985397107ed6fec6957d4bf241e2d453e63574d78717a02578e6 [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"` [INFO] [stdout] 9db38d673a967a60d1483bb7303051c87308112a43ae39506e24b121e036ca3a [INFO] running `"docker" "start" "-a" "9db38d673a967a60d1483bb7303051c87308112a43ae39506e24b121e036ca3a"` [INFO] [stderr] Compiling ephemeral v0.2.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.54s [INFO] running `"docker" "inspect" "9db38d673a967a60d1483bb7303051c87308112a43ae39506e24b121e036ca3a"` [INFO] running `"docker" "rm" "-f" "9db38d673a967a60d1483bb7303051c87308112a43ae39506e24b121e036ca3a"` [INFO] [stdout] 9db38d673a967a60d1483bb7303051c87308112a43ae39506e24b121e036ca3a [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"` [INFO] [stdout] 4b2312b8fcfe90ef50c6e2fa4924311a7d5359881dfaef7c04c9d98b71583db2 [INFO] running `"docker" "start" "-a" "4b2312b8fcfe90ef50c6e2fa4924311a7d5359881dfaef7c04c9d98b71583db2"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.00s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/ephemeral-be0bffe2d2d3939e [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test tests::project_with_dir_and_files_works ... FAILED [INFO] [stdout] test tests::project_empty_build_creates_dir ... FAILED [INFO] [stdout] test tests::project_with_1_file_in_root ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- tests::project_with_dir_and_files_works stdout ---- [INFO] [stdout] thread 'tests::project_with_dir_and_files_works' panicked at 'cannot create directory: Os { code: 30, kind: Other, message: "Read-only file system" }', src/libcore/result.rs:1165:5 [INFO] [stdout] [INFO] [stdout] ---- tests::project_empty_build_creates_dir stdout ---- [INFO] [stdout] thread 'tests::project_empty_build_creates_dir' panicked at 'cannot create directory: Os { code: 30, kind: Other, message: "Read-only file system" }', src/libcore/result.rs:1165:5 [INFO] [stdout] note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace. [INFO] [stdout] [INFO] [stdout] ---- tests::project_with_1_file_in_root stdout ---- [INFO] [stdout] thread 'tests::project_with_1_file_in_root' panicked at 'cannot create directory: Os { code: 30, kind: Other, message: "Read-only file system" }', src/libcore/result.rs:1165:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x560e306bd574 - backtrace::backtrace::libunwind::trace::hf625d18232cbbbd4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x560e306bd574 - backtrace::backtrace::trace_unsynchronized::h41d74150fc6ff542 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x560e306bd574 - std::sys_common::backtrace::_print_fmt::h85d37830c667a1f9 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:76 [INFO] [stdout] 3: 0x560e306bd574 - ::fmt::h2b7ac01d5feaf9b2 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:60 [INFO] [stdout] 4: 0x560e306d91bc - core::fmt::write::h7fd0d904495c035f [INFO] [stdout] at src/libcore/fmt/mod.rs:1030 [INFO] [stdout] 5: 0x560e30677dd5 - std::io::Write::write_fmt::h424452e6ba861394 [INFO] [stdout] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/io/mod.rs:1412 [INFO] [stdout] 6: 0x560e306b8e91 - std::io::impls::>::write_fmt::h814a51d8ae1dee4a [INFO] [stdout] at src/libstd/io/impls.rs:141 [INFO] [stdout] 7: 0x560e306c00d5 - std::sys_common::backtrace::_print::h4c743f7c274a5a74 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:64 [INFO] [stdout] 8: 0x560e306c00d5 - std::sys_common::backtrace::print::ha5c4f4bf03800d4d [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 9: 0x560e306c00d5 - std::panicking::default_hook::{{closure}}::h8b842185774c09e6 [INFO] [stdout] at src/libstd/panicking.rs:196 [INFO] [stdout] 10: 0x560e306bfd5c - std::panicking::default_hook::hd8ec13ee1bc2a65a [INFO] [stdout] at src/libstd/panicking.rs:207 [INFO] [stdout] 11: 0x560e306c07d5 - std::panicking::rust_panic_with_hook::hf3b27166e5f403e7 [INFO] [stdout] at src/libstd/panicking.rs:473 [INFO] [stdout] 12: 0x560e306c0372 - std::panicking::continue_panic_fmt::hd961751be84a6f83 [INFO] [stdout] at src/libstd/panicking.rs:380 [INFO] [stdout] 13: 0x560e306c0266 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:307 [INFO] [stdout] 14: 0x560e306d68aa - core::panicking::panic_fmt::h467e0364f9237670 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 15: 0x560e306d69a7 - core::result::unwrap_failed::h38f3a56f1dadf080 [INFO] [stdout] at src/libcore/result.rs:1165 [INFO] [stdout] 16: 0x560e30672c03 - core::result::Result::expect::h77155f6f5262f3ae [INFO] [stdout] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libcore/result.rs:960 [INFO] [stdout] 17: 0x560e30671233 - ephemeral::Project::build::{{closure}}::hdc032a9de6eeed23 [INFO] [stdout] at src/lib.rs:73 [INFO] [stdout] 18: 0x560e3066d64d - core::iter::traits::iterator::Iterator::for_each::call::{{closure}}::h5c992974b0f47d64 [INFO] [stdout] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libcore/iter/traits/iterator.rs:613 [INFO] [stdout] 19: 0x560e306702ee - as core::iter::traits::iterator::Iterator>::fold::hb9d50932e542addb [INFO] [stdout] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libcore/slice/mod.rs:3213 [INFO] [stdout] 20: 0x560e3066f4d7 - core::iter::traits::iterator::Iterator::for_each::h368497252b27f32c [INFO] [stdout] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libcore/iter/traits/iterator.rs:616 [INFO] [stdout] 21: 0x560e306710e3 - ephemeral::Project::build::had17dbcc21bf3972 [INFO] [stdout] at src/lib.rs:72 [INFO] [stdout] 22: 0x560e3066f175 - ephemeral::tests::project_with_1_file_in_root::hbd8095deeb7f5fed [INFO] [stdout] at src/lib.rs:214 [INFO] [stdout] 23: 0x560e3066f06a - ephemeral::tests::project_with_1_file_in_root::{{closure}}::h4ad62cdabe9b1616 [INFO] [stdout] at src/lib.rs:212 [INFO] [stdout] 24: 0x560e3067513e - core::ops::function::FnOnce::call_once::hbd7b1c4fdba172bd [INFO] [stdout] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libcore/ops/function.rs:227 [INFO] [stdout] 25: 0x560e30681ccf - as core::ops::function::FnOnce>::call_once::h8b428e8a43aaf8e9 [INFO] [stdout] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/liballoc/boxed.rs:922 [INFO] [stdout] 26: 0x560e306c362a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:80 [INFO] [stdout] 27: 0x560e3069c4de - std::panicking::try::heccce20d527a3513 [INFO] [stdout] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/panicking.rs:271 [INFO] [stdout] 28: 0x560e3069c4de - std::panic::catch_unwind::h7fd8f5d3271f1692 [INFO] [stdout] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/panic.rs:394 [INFO] [stdout] 29: 0x560e3069c4de - test::run_test::run_test_inner::{{closure}}::h88b46e5c359957e5 [INFO] [stdout] at src/libtest/lib.rs:1413 [INFO] [stdout] 30: 0x560e30677545 - std::sys_common::backtrace::__rust_begin_short_backtrace::h00847676c8212941 [INFO] [stdout] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/sys_common/backtrace.rs:126 [INFO] [stdout] 31: 0x560e3067b6d5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h5dd37acd2295488e [INFO] [stdout] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/thread/mod.rs:470 [INFO] [stdout] 32: 0x560e3067b6d5 - as core::ops::function::FnOnce<()>>::call_once::h9d32b103da0b97c6 [INFO] [stdout] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/panic.rs:315 [INFO] [stdout] 33: 0x560e3067b6d5 - std::panicking::try::do_call::h2bd819a3056c57cd [INFO] [stdout] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/panicking.rs:292 [INFO] [stdout] 34: 0x560e306c362a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:80 [INFO] [stdout] 35: 0x560e3067bc82 - std::panicking::try::h243a25457a848a1a [INFO] [stdout] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/panicking.rs:271 [INFO] [stdout] 36: 0x560e3067bc82 - std::panic::catch_unwind::h74b81f55e55e757c [INFO] [stdout] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/panic.rs:394 [INFO] [stdout] 37: 0x560e3067bc82 - std::thread::Builder::spawn_unchecked::{{closure}}::h4c2d214a2cffa6cf [INFO] [stdout] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/thread/mod.rs:469 [INFO] [stdout] 38: 0x560e3067bc82 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h8a8a187b3fb58e53 [INFO] [stdout] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libcore/ops/function.rs:227 [INFO] [stdout] 39: 0x560e306b51cf - as core::ops::function::FnOnce>::call_once::h3cdef3b7ea22cd61 [INFO] [stdout] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/liballoc/boxed.rs:922 [INFO] [stdout] 40: 0x560e306c2d80 - as core::ops::function::FnOnce>::call_once::hc8f25720bf0d5424 [INFO] [stdout] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/liballoc/boxed.rs:922 [INFO] [stdout] 41: 0x560e306c2d80 - std::sys_common::thread::start_thread::h7e8885ccfd5d1932 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 42: 0x560e306c2d80 - std::sys::unix::thread::Thread::new::thread_start::h5d24df932d688baf [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 43: 0x7f27aed7b6db - start_thread [INFO] [stdout] 44: 0x7f27ae88c88f - __clone [INFO] [stdout] 45: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] tests::project_empty_build_creates_dir [INFO] [stdout] tests::project_with_1_file_in_root [INFO] [stdout] tests::project_with_dir_and_files_works [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--lib' [INFO] running `"docker" "inspect" "4b2312b8fcfe90ef50c6e2fa4924311a7d5359881dfaef7c04c9d98b71583db2"` [INFO] running `"docker" "rm" "-f" "4b2312b8fcfe90ef50c6e2fa4924311a7d5359881dfaef7c04c9d98b71583db2"` [INFO] [stdout] 4b2312b8fcfe90ef50c6e2fa4924311a7d5359881dfaef7c04c9d98b71583db2