[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 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/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" "+beta-2019-07-23" "build" "--frozen"` [INFO] [stdout] 656dcef7b3cf34adeb1a74e3e2d42acc1f367370beebfc5f6497d70b62ff2539 [INFO] running `"docker" "start" "-a" "656dcef7b3cf34adeb1a74e3e2d42acc1f367370beebfc5f6497d70b62ff2539"` [INFO] [stderr] Compiling widestring v0.2.2 [INFO] [stderr] Compiling single-instance v0.1.1 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.06s [INFO] running `"docker" "inspect" "656dcef7b3cf34adeb1a74e3e2d42acc1f367370beebfc5f6497d70b62ff2539"` [INFO] running `"docker" "rm" "-f" "656dcef7b3cf34adeb1a74e3e2d42acc1f367370beebfc5f6497d70b62ff2539"` [INFO] [stdout] 656dcef7b3cf34adeb1a74e3e2d42acc1f367370beebfc5f6497d70b62ff2539 [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/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"` [INFO] [stdout] 8db060cf794f6bd2d687ee4736e907e876cfdd1928c2cca56cf987fd32760462 [INFO] running `"docker" "start" "-a" "8db060cf794f6bd2d687ee4736e907e876cfdd1928c2cca56cf987fd32760462"` [INFO] [stderr] Compiling single-instance v0.1.1 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.65s [INFO] running `"docker" "inspect" "8db060cf794f6bd2d687ee4736e907e876cfdd1928c2cca56cf987fd32760462"` [INFO] running `"docker" "rm" "-f" "8db060cf794f6bd2d687ee4736e907e876cfdd1928c2cca56cf987fd32760462"` [INFO] [stdout] 8db060cf794f6bd2d687ee4736e907e876cfdd1928c2cca56cf987fd32760462 [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/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" "+beta-2019-07-23" "test" "--frozen"` [INFO] [stdout] 1f757bc3dc0090a694b6eb9e537e339a2a89ad358d293ba4fb8019384973f3ba [INFO] running `"docker" "start" "-a" "1f757bc3dc0090a694b6eb9e537e339a2a89ad358d293ba4fb8019384973f3ba"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/crater/target/debug/deps/single_instance-d83056f837702c3f [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::hb3c9c93f64db94a5 (0x55e308a128c1) [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::h1b3687cfb8a2b144 (0x55e308a1266e) [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::h73edcb2419e58f13 (0x55e3089d5c5c) [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::h1c6f4e2bf6ef8ecf (0x55e3089d50df) [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::h97ea95cfca4ea335 (0x55e3089d4833) [INFO] [stdout] at src/lib.rs:99 [INFO] [stdout] 5: single_instance::test_single_instance::h22cc1d423a0adee7 (0x55e3089d53c0) [INFO] [stdout] at src/lib.rs:118 [INFO] [stdout] 6: single_instance::test_single_instance::{{closure}}::hddb1ad4b3bd7c0f8 (0x55e3089d538a) [INFO] [stdout] at src/lib.rs:116 [INFO] [stdout] 7: core::ops::function::FnOnce::call_once::h0cf7ddaf20700d00 (0x55e3089d4b3e) [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 8: as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 (0x55e3089e0e6f) [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 9: __rust_maybe_catch_panic (0x55e308a6330a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 10: std::panicking::try::h4b4c6c15836266eb (0x55e3089fb468) [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 11: std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 (0x55e3089d62e5) [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 12: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 (0x55e3089da465) [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 13: __rust_maybe_catch_panic (0x55e308a6330a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: std::panicking::try::h9fff34be50f16431 (0x55e3089daaa2) [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 15: as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b (0x55e308a5629f) [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 16: as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 (0x55e308a62a60) [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 17: start_thread (0x7f85a143f4a4) [INFO] [stdout] 18: __clone (0x7f85a0f6ad0f) [INFO] [stdout] 19: (0x0)', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55e308a605db - 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: 0x55e308a605db - 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: 0x55e308a605db - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55e308a605db - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55e308a605db - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x55e308a6024a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x55e308a60d50 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x55e308a608d2 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x55e308a607b6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x55e308a767ed - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55e3089d5725 - core::result::unwrap_failed::hb840f96b5971d4c5 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55e3089d57ee - core::result::Result::unwrap::ha35009faa577dffc [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55e3089d53d8 - single_instance::test_single_instance::h22cc1d423a0adee7 [INFO] [stdout] at src/lib.rs:118 [INFO] [stdout] 13: 0x55e3089d538a - single_instance::test_single_instance::{{closure}}::hddb1ad4b3bd7c0f8 [INFO] [stdout] at src/lib.rs:116 [INFO] [stdout] 14: 0x55e3089d4b3e - core::ops::function::FnOnce::call_once::h0cf7ddaf20700d00 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 15: 0x55e3089e0e6f - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 16: 0x55e308a6330a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 17: 0x55e3089fb468 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 18: 0x55e3089fb468 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 19: 0x55e3089fb468 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 20: 0x55e3089d62e5 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 21: 0x55e3089da465 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 22: 0x55e3089da465 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 23: 0x55e3089da465 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 24: 0x55e308a6330a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 25: 0x55e3089daaa2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 26: 0x55e3089daaa2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 27: 0x55e3089daaa2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 28: 0x55e3089daaa2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 29: 0x55e308a5629f - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 30: 0x55e308a62a60 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55e308a62a60 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 32: 0x55e308a62a60 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 33: 0x7f85a143f4a4 - start_thread [INFO] [stdout] 34: 0x7f85a0f6ad0f - __clone [INFO] [stdout] 35: 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" "1f757bc3dc0090a694b6eb9e537e339a2a89ad358d293ba4fb8019384973f3ba"` [INFO] running `"docker" "rm" "-f" "1f757bc3dc0090a694b6eb9e537e339a2a89ad358d293ba4fb8019384973f3ba"` [INFO] [stdout] 1f757bc3dc0090a694b6eb9e537e339a2a89ad358d293ba4fb8019384973f3ba