[INFO] crate single-instance 0.1.1 is already in cache [INFO] extracting crate single-instance 0.1.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/single-instance/0.1.1 [INFO] extracting crate single-instance 0.1.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/single-instance/0.1.1 [INFO] validating manifest of single-instance-0.1.1 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 single-instance-0.1.1 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 single-instance-0.1.1 [INFO] finished frobbing single-instance-0.1.1 [INFO] frobbed toml for single-instance-0.1.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/single-instance/0.1.1/Cargo.toml [INFO] started frobbing single-instance-0.1.1 [INFO] finished frobbing single-instance-0.1.1 [INFO] frobbed toml for single-instance-0.1.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/single-instance/0.1.1/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [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 single-instance-0.1.1 against 1.36.0 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/single-instance/0.1.1:/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" "+1.36.0" "build" "--frozen"` [INFO] [stdout] 7d8cf0c045d8ba735052e7960a20ca23c5ba1b12395d57a7786c084f10196712 [INFO] running `"docker" "start" "-a" "7d8cf0c045d8ba735052e7960a20ca23c5ba1b12395d57a7786c084f10196712"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] [stderr] Compiling single-instance v0.1.1 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.40s [INFO] running `"docker" "inspect" "7d8cf0c045d8ba735052e7960a20ca23c5ba1b12395d57a7786c084f10196712"` [INFO] running `"docker" "rm" "-f" "7d8cf0c045d8ba735052e7960a20ca23c5ba1b12395d57a7786c084f10196712"` [INFO] [stdout] 7d8cf0c045d8ba735052e7960a20ca23c5ba1b12395d57a7786c084f10196712 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/single-instance/0.1.1:/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" "+1.36.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 200ffc1cd6d2ea4f106830b7033f1e327531197d21f3e2789574a05ec3727e2a [INFO] running `"docker" "start" "-a" "200ffc1cd6d2ea4f106830b7033f1e327531197d21f3e2789574a05ec3727e2a"` [INFO] [stderr] Compiling single-instance v0.1.1 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.67s [INFO] running `"docker" "inspect" "200ffc1cd6d2ea4f106830b7033f1e327531197d21f3e2789574a05ec3727e2a"` [INFO] running `"docker" "rm" "-f" "200ffc1cd6d2ea4f106830b7033f1e327531197d21f3e2789574a05ec3727e2a"` [INFO] [stdout] 200ffc1cd6d2ea4f106830b7033f1e327531197d21f3e2789574a05ec3727e2a [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/single-instance/0.1.1:/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" "+1.36.0" "test" "--frozen"` [INFO] [stdout] e008bc0411e2a55ce5d7553c7b339289dc038e431de6603382c96335e931670d [INFO] running `"docker" "start" "-a" "e008bc0411e2a55ce5d7553c7b339289dc038e431de6603382c96335e931670d"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/crater/target/debug/deps/single_instance-93cea6a97dd4a3b6 [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test test_single_instance ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- test_single_instance stdout ---- [INFO] [stdout] thread 'test_single_instance' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" } [INFO] [stdout] [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: failure::backtrace::internal::InternalBacktrace::new::hfeab119dddb60f1c (0x55c66dcb7b23) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/backtrace/internal.rs:44 [INFO] [stdout] 1: failure::backtrace::Backtrace::new::hc4037e0989566921 (0x55c66dcb78ce) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/backtrace/mod.rs:111 [INFO] [stdout] 2: >::from::h3a8e15677643caa9 (0x55c66dc7a896) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/error/error_impl.rs:19 [INFO] [stdout] 3: >::from::ha3ac03a4124bbbcc (0x55c66dc79cef) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/error/mod.rs:36 [INFO] [stdout] 4: single_instance::inner::SingleInstance::new::hbe148feee9dba96d (0x55c66dc79480) [INFO] [stdout] at src/lib.rs:99 [INFO] [stdout] 5: single_instance::test_single_instance::h55ea669b0d1be169 (0x55c66dc7a010) [INFO] [stdout] at src/lib.rs:118 [INFO] [stdout] 6: single_instance::test_single_instance::{{closure}}::h17c52c88330d53e2 (0x55c66dc79fda) [INFO] [stdout] at src/lib.rs:116 [INFO] [stdout] 7: core::ops::function::FnOnce::call_once::h4cafb42f6d64f6d4 (0x55c66dc7978e) [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231 [INFO] [stdout] 8: as core::ops::function::FnOnce>::call_once::h6b004fa8f4fc1608 (0x55c66dc85c1f) [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 9: __rust_maybe_catch_panic (0x55c66dd09b6a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 10: std::panicking::try::h24368a6d38b1d93c (0x55c66dca0518) [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272 [INFO] [stdout] std::panic::catch_unwind::hf2c3df16a559e51f [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h9a4d23c41d058d37 [INFO] [stdout] at src/libtest/lib.rs:1468 [INFO] [stdout] 11: std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7 (0x55c66dc7af35) [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136 [INFO] [stdout] 12: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h74161b153f5e9baf (0x55c66dc7efe5) [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::hf7155da0a5779cf2 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h6f86e980b52f74d5 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293 [INFO] [stdout] 13: __rust_maybe_catch_panic (0x55c66dd09b6a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 14: std::panicking::try::h9073c4fbc6488ec1 (0x55c66dc7f5f2) [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272 [INFO] [stdout] std::panic::catch_unwind::h414e175ffeedf40c [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hcde0649867c5f4c7 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::h760b8a2b155f54c3 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231 [INFO] [stdout] 15: as core::ops::function::FnOnce>::call_once::h805c3cc89d534c05 (0x55c66dcfafbf) [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 16: as core::ops::function::FnOnce>::call_once::h9ebda9db5f03daf3 (0x55c66dd09250) [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] std::sys_common::thread::start_thread::ha32838ccbb8a8179 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 17: start_thread (0x7f35703eb4a4) [INFO] [stdout] 18: __clone (0x7f356ff16d0f) [INFO] [stdout] 19: (0x0)', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55c66dd079b3 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55 [INFO] [stdout] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39 [INFO] [stdout] 1: 0x55c66dd032eb - std::sys_common::backtrace::_print::h49a82ae9552e35c7 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:71 [INFO] [stdout] 2: 0x55c66dd066f6 - std::panicking::default_hook::{{closure}}::he20974adbefcc046 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] at src/libstd/panicking.rs:197 [INFO] [stdout] 3: 0x55c66dd0641e - std::panicking::default_hook::he4af6af4ac7fef7b [INFO] [stdout] at src/libstd/panicking.rs:208 [INFO] [stdout] 4: 0x55c66dd06dff - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f [INFO] [stdout] at src/libstd/panicking.rs:474 [INFO] [stdout] 5: 0x55c66dd06981 - std::panicking::continue_panic_fmt::ha6d6ae144369025b [INFO] [stdout] at src/libstd/panicking.rs:381 [INFO] [stdout] 6: 0x55c66dd06865 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:308 [INFO] [stdout] 7: 0x55c66dd18b7c - core::panicking::panic_fmt::hc4f83bfed80aeabd [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 8: 0x55c66dc7a374 - core::result::unwrap_failed::h6a144de43c2e42a9 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/macros.rs:18 [INFO] [stdout] 9: 0x55c66dc7a42c - core::result::Result::unwrap::h316ce427c36e0cc6 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/result.rs:800 [INFO] [stdout] 10: 0x55c66dc7a027 - single_instance::test_single_instance::h55ea669b0d1be169 [INFO] [stdout] at src/lib.rs:118 [INFO] [stdout] 11: 0x55c66dc79fd9 - single_instance::test_single_instance::{{closure}}::h17c52c88330d53e2 [INFO] [stdout] at src/lib.rs:116 [INFO] [stdout] 12: 0x55c66dc7978d - core::ops::function::FnOnce::call_once::h4cafb42f6d64f6d4 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231 [INFO] [stdout] 13: 0x55c66dc85c1e - as core::ops::function::FnOnce>::call_once::h6b004fa8f4fc1608 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 14: 0x55c66dd09b69 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 15: 0x55c66dca0517 - test::run_test::run_test_inner::{{closure}}::h9a4d23c41d058d37 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394 [INFO] [stdout] at src/libtest/lib.rs:1468 [INFO] [stdout] 16: 0x55c66dc7af34 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136 [INFO] [stdout] 17: 0x55c66dc7efe4 - std::panicking::try::do_call::h6f86e980b52f74d5 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293 [INFO] [stdout] 18: 0x55c66dd09b69 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 19: 0x55c66dc7f5f1 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h760b8a2b155f54c3 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231 [INFO] [stdout] 20: 0x55c66dcfafbe - as core::ops::function::FnOnce>::call_once::h805c3cc89d534c05 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 21: 0x55c66dd0924f - std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 22: 0x7f35703eb4a3 - start_thread [INFO] [stdout] 23: 0x7f356ff16d0e - __clone [INFO] [stdout] 24: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] test_single_instance [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" "e008bc0411e2a55ce5d7553c7b339289dc038e431de6603382c96335e931670d"` [INFO] running `"docker" "rm" "-f" "e008bc0411e2a55ce5d7553c7b339289dc038e431de6603382c96335e931670d"` [INFO] [stdout] e008bc0411e2a55ce5d7553c7b339289dc038e431de6603382c96335e931670d