[INFO] updating cached repository mre/fcat [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/mre/fcat [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/mre/fcat" "work/ex/beta-1.37-6/sources/1.36.0/gh/mre/fcat"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/mre/fcat'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/mre/fcat" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mre/fcat"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mre/fcat'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] c938b62b462455c61c346e0e0efe012ad338a084 [INFO] sha for GitHub repo mre/fcat: c938b62b462455c61c346e0e0efe012ad338a084 [INFO] validating manifest of mre/fcat 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 mre/fcat 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 mre/fcat [INFO] finished frobbing mre/fcat [INFO] frobbed toml for mre/fcat written to work/ex/beta-1.37-6/sources/1.36.0/gh/mre/fcat/Cargo.toml [INFO] started frobbing mre/fcat [INFO] finished frobbing mre/fcat [INFO] frobbed toml for mre/fcat written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mre/fcat/Cargo.toml [INFO] crate mre/fcat already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] testing mre/fcat 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-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mre/fcat:/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] b8aa663af631c2ba71a5c9e0ce2fdfd5fed2d7a48dbddeb8f4c6035afe00e828 [INFO] running `"docker" "start" "-a" "b8aa663af631c2ba71a5c9e0ce2fdfd5fed2d7a48dbddeb8f4c6035afe00e828"` [INFO] [stderr] Compiling nix v0.9.0 [INFO] [stderr] Compiling fcat v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.72s [INFO] running `"docker" "inspect" "b8aa663af631c2ba71a5c9e0ce2fdfd5fed2d7a48dbddeb8f4c6035afe00e828"` [INFO] running `"docker" "rm" "-f" "b8aa663af631c2ba71a5c9e0ce2fdfd5fed2d7a48dbddeb8f4c6035afe00e828"` [INFO] [stdout] b8aa663af631c2ba71a5c9e0ce2fdfd5fed2d7a48dbddeb8f4c6035afe00e828 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mre/fcat:/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] 0fc015ed99c2560957d2c6cc750f811622462f359d76d03a29a1746260900ae7 [INFO] running `"docker" "start" "-a" "0fc015ed99c2560957d2c6cc750f811622462f359d76d03a29a1746260900ae7"` [INFO] [stderr] Compiling serde v1.0.70 [INFO] [stderr] Compiling regex v1.0.2 [INFO] [stderr] Compiling escargot v0.2.0 [INFO] [stderr] Compiling byteorder v1.2.4 [INFO] [stderr] Compiling rand v0.5.4 [INFO] [stderr] Compiling wait-timeout v0.1.5 [INFO] [stderr] Compiling thread_local v0.3.5 [INFO] [stderr] Compiling aho-corasick v0.6.6 [INFO] [stderr] Compiling syn v0.14.6 [INFO] [stderr] Compiling float-cmp v0.4.0 [INFO] [stderr] Compiling tempfile v3.0.3 [INFO] [stderr] Compiling rusty-fork v0.2.0 [INFO] [stderr] Compiling proptest v0.8.4 [INFO] [stderr] Compiling serde_derive v1.0.70 [INFO] [stderr] Compiling predicates v0.5.2 [INFO] [stderr] Compiling serde_json v1.0.24 [INFO] [stderr] Compiling assert_cmd v0.6.0 [INFO] [stderr] Compiling fcat v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 07s [INFO] running `"docker" "inspect" "0fc015ed99c2560957d2c6cc750f811622462f359d76d03a29a1746260900ae7"` [INFO] running `"docker" "rm" "-f" "0fc015ed99c2560957d2c6cc750f811622462f359d76d03a29a1746260900ae7"` [INFO] [stdout] 0fc015ed99c2560957d2c6cc750f811622462f359d76d03a29a1746260900ae7 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mre/fcat:/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] ddf20b3bca5c8a55a566ff0234948c9ad2511ed158c10b631b6341dad2120cd8 [INFO] running `"docker" "start" "-a" "ddf20b3bca5c8a55a566ff0234948c9ad2511ed158c10b631b6341dad2120cd8"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running /opt/crater/target/debug/deps/fcat-ce8400d9e7eff3b2 [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test integration::cat_stdin_dash ... FAILED [INFO] [stdout] test integration::cat_single_file ... FAILED [INFO] [stdout] test integration::cat_stdin ... FAILED [INFO] [stdout] test integration::cat_stdin_file ... FAILED [INFO] [stdout] test integration::cat_file_stdin ... FAILED [INFO] [stdout] test integration::cat_multiple_files ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- integration::cat_stdin_dash stdout ---- [INFO] [stdout] thread 'integration::cat_stdin_dash' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26eeab6 - fcat::integration::cat_stdin_dash::{{closure}}::h94d2459454049eef [INFO] [stdout] at src/main.rs:138 [INFO] [stdout] 13: 0x5558f26ec432 - core::ops::function::impls:: for &F>::call::h7deff8dac7b5217b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26cb4af - proptest::test_runner::runner::call_test::{{closure}}::he6fdb69397566a04 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e4348 - as core::ops::function::FnOnce<()>>::call_once::h885f4b686c9f6494 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ebc1b - std::panicking::try::do_call::h20723ae6f9deaa60 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26ea1f9 - std::panicking::try::h3bfcac541e13d370 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4a48 - std::panic::catch_unwind::h75445705af0a9d26 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c4ad1 - proptest::test_runner::runner::call_test::h493819ca22bc28f5 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26b37d0 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h1f47612a029ad33f [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:473 [INFO] [stdout] 22: 0x5558f26aebab - proptest::test_runner::runner::TestRunner::gen_and_run_case::h0608576b398c6a5a [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 23: 0x5558f26bd602 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::ha6a0cb1b977d7a15 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 24: 0x5558f26ade0c - proptest::test_runner::runner::TestRunner::run_in_process::h2a7ddb3799cf3d70 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 25: 0x5558f26bfccb - proptest::test_runner::runner::TestRunner::run::hb97c25e67c7d1049 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 26: 0x5558f26ee68c - fcat::integration::cat_stdin_dash::h782ca85c444e207d [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 27: 0x5558f26ee4aa - fcat::integration::cat_stdin_dash::{{closure}}::hf7c812a5c1900e78 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 28: 0x5558f26df72e - core::ops::function::FnOnce::call_once::h044a010ef2d515f6 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 29: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 30: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 31: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 32: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 33: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 34: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 35: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 36: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 37: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 38: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 39: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 41: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 42: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 43: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 44: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 47: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 48: 0x7fd84f876d0f - __clone [INFO] [stdout] 49: 0x0 - [INFO] [stdout] thread 'integration::cat_stdin_dash' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some(" Blocking waiting for file lock on package cache\nerror: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26eeab6 - fcat::integration::cat_stdin_dash::{{closure}}::h94d2459454049eef [INFO] [stdout] at src/main.rs:138 [INFO] [stdout] 13: 0x5558f26ec432 - core::ops::function::impls:: for &F>::call::h7deff8dac7b5217b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26cb4af - proptest::test_runner::runner::call_test::{{closure}}::he6fdb69397566a04 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e4348 - as core::ops::function::FnOnce<()>>::call_once::h885f4b686c9f6494 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ebc1b - std::panicking::try::do_call::h20723ae6f9deaa60 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26ea1f9 - std::panicking::try::h3bfcac541e13d370 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4a48 - std::panic::catch_unwind::h75445705af0a9d26 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c4ad1 - proptest::test_runner::runner::call_test::h493819ca22bc28f5 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c0874 - proptest::test_runner::runner::TestRunner::shrink::h37e473e200d2c141 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b3889 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h1f47612a029ad33f [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26aebab - proptest::test_runner::runner::TestRunner::gen_and_run_case::h0608576b398c6a5a [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26bd602 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::ha6a0cb1b977d7a15 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ade0c - proptest::test_runner::runner::TestRunner::run_in_process::h2a7ddb3799cf3d70 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bfccb - proptest::test_runner::runner::TestRunner::run::hb97c25e67c7d1049 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ee68c - fcat::integration::cat_stdin_dash::h782ca85c444e207d [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26ee4aa - fcat::integration::cat_stdin_dash::{{closure}}::hf7c812a5c1900e78 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26df72e - core::ops::function::FnOnce::call_once::h044a010ef2d515f6 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_stdin_dash' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26eeab6 - fcat::integration::cat_stdin_dash::{{closure}}::h94d2459454049eef [INFO] [stdout] at src/main.rs:138 [INFO] [stdout] 13: 0x5558f26ec432 - core::ops::function::impls:: for &F>::call::h7deff8dac7b5217b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26cb4af - proptest::test_runner::runner::call_test::{{closure}}::he6fdb69397566a04 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e4348 - as core::ops::function::FnOnce<()>>::call_once::h885f4b686c9f6494 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ebc1b - std::panicking::try::do_call::h20723ae6f9deaa60 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26ea1f9 - std::panicking::try::h3bfcac541e13d370 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4a48 - std::panic::catch_unwind::h75445705af0a9d26 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c4ad1 - proptest::test_runner::runner::call_test::h493819ca22bc28f5 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c0874 - proptest::test_runner::runner::TestRunner::shrink::h37e473e200d2c141 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b3889 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h1f47612a029ad33f [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26aebab - proptest::test_runner::runner::TestRunner::gen_and_run_case::h0608576b398c6a5a [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26bd602 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::ha6a0cb1b977d7a15 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ade0c - proptest::test_runner::runner::TestRunner::run_in_process::h2a7ddb3799cf3d70 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bfccb - proptest::test_runner::runner::TestRunner::run::hb97c25e67c7d1049 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ee68c - fcat::integration::cat_stdin_dash::h782ca85c444e207d [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26ee4aa - fcat::integration::cat_stdin_dash::{{closure}}::hf7c812a5c1900e78 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26df72e - core::ops::function::FnOnce::call_once::h044a010ef2d515f6 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_stdin_dash' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26eeab6 - fcat::integration::cat_stdin_dash::{{closure}}::h94d2459454049eef [INFO] [stdout] at src/main.rs:138 [INFO] [stdout] 13: 0x5558f26ec432 - core::ops::function::impls:: for &F>::call::h7deff8dac7b5217b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26cb4af - proptest::test_runner::runner::call_test::{{closure}}::he6fdb69397566a04 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e4348 - as core::ops::function::FnOnce<()>>::call_once::h885f4b686c9f6494 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ebc1b - std::panicking::try::do_call::h20723ae6f9deaa60 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26ea1f9 - std::panicking::try::h3bfcac541e13d370 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4a48 - std::panic::catch_unwind::h75445705af0a9d26 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c4ad1 - proptest::test_runner::runner::call_test::h493819ca22bc28f5 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c0874 - proptest::test_runner::runner::TestRunner::shrink::h37e473e200d2c141 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b3889 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h1f47612a029ad33f [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26aebab - proptest::test_runner::runner::TestRunner::gen_and_run_case::h0608576b398c6a5a [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26bd602 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::ha6a0cb1b977d7a15 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ade0c - proptest::test_runner::runner::TestRunner::run_in_process::h2a7ddb3799cf3d70 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bfccb - proptest::test_runner::runner::TestRunner::run::hb97c25e67c7d1049 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ee68c - fcat::integration::cat_stdin_dash::h782ca85c444e207d [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26ee4aa - fcat::integration::cat_stdin_dash::{{closure}}::hf7c812a5c1900e78 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26df72e - core::ops::function::FnOnce::call_once::h044a010ef2d515f6 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_stdin_dash' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26eeab6 - fcat::integration::cat_stdin_dash::{{closure}}::h94d2459454049eef [INFO] [stdout] at src/main.rs:138 [INFO] [stdout] 13: 0x5558f26ec432 - core::ops::function::impls:: for &F>::call::h7deff8dac7b5217b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26cb4af - proptest::test_runner::runner::call_test::{{closure}}::he6fdb69397566a04 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e4348 - as core::ops::function::FnOnce<()>>::call_once::h885f4b686c9f6494 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ebc1b - std::panicking::try::do_call::h20723ae6f9deaa60 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26ea1f9 - std::panicking::try::h3bfcac541e13d370 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4a48 - std::panic::catch_unwind::h75445705af0a9d26 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c4ad1 - proptest::test_runner::runner::call_test::h493819ca22bc28f5 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c0874 - proptest::test_runner::runner::TestRunner::shrink::h37e473e200d2c141 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b3889 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h1f47612a029ad33f [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26aebab - proptest::test_runner::runner::TestRunner::gen_and_run_case::h0608576b398c6a5a [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26bd602 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::ha6a0cb1b977d7a15 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ade0c - proptest::test_runner::runner::TestRunner::run_in_process::h2a7ddb3799cf3d70 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bfccb - proptest::test_runner::runner::TestRunner::run::hb97c25e67c7d1049 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ee68c - fcat::integration::cat_stdin_dash::h782ca85c444e207d [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26ee4aa - fcat::integration::cat_stdin_dash::{{closure}}::hf7c812a5c1900e78 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26df72e - core::ops::function::FnOnce::call_once::h044a010ef2d515f6 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_stdin_dash' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some(" Blocking waiting for file lock on package cache\nerror: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26eeab6 - fcat::integration::cat_stdin_dash::{{closure}}::h94d2459454049eef [INFO] [stdout] at src/main.rs:138 [INFO] [stdout] 13: 0x5558f26ec432 - core::ops::function::impls:: for &F>::call::h7deff8dac7b5217b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26cb4af - proptest::test_runner::runner::call_test::{{closure}}::he6fdb69397566a04 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e4348 - as core::ops::function::FnOnce<()>>::call_once::h885f4b686c9f6494 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ebc1b - std::panicking::try::do_call::h20723ae6f9deaa60 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26ea1f9 - std::panicking::try::h3bfcac541e13d370 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4a48 - std::panic::catch_unwind::h75445705af0a9d26 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c4ad1 - proptest::test_runner::runner::call_test::h493819ca22bc28f5 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c0874 - proptest::test_runner::runner::TestRunner::shrink::h37e473e200d2c141 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b3889 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h1f47612a029ad33f [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26aebab - proptest::test_runner::runner::TestRunner::gen_and_run_case::h0608576b398c6a5a [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26bd602 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::ha6a0cb1b977d7a15 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ade0c - proptest::test_runner::runner::TestRunner::run_in_process::h2a7ddb3799cf3d70 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bfccb - proptest::test_runner::runner::TestRunner::run::hb97c25e67c7d1049 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ee68c - fcat::integration::cat_stdin_dash::h782ca85c444e207d [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26ee4aa - fcat::integration::cat_stdin_dash::{{closure}}::hf7c812a5c1900e78 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26df72e - core::ops::function::FnOnce::call_once::h044a010ef2d515f6 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] proptest: failed to append to /opt/crater/workdir/proptest-regressions/main.txt: Read-only file system (os error 30) [INFO] [stdout] thread 'integration::cat_stdin_dash' panicked at 'Test failed: called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some(" Blocking waiting for file lock on package cache\nerror: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }; minimal failing input: content = [] [INFO] [stdout] successes: 0 [INFO] [stdout] local rejects: 0 [INFO] [stdout] global rejects: 0 [INFO] [stdout] ', src/main.rs:101:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a9df - std::panicking::begin_panic_fmt::he65a2e8ff19d8ae0 [INFO] [stdout] at src/libstd/panicking.rs:339 [INFO] [stdout] 9: 0x5558f26ee87f - fcat::integration::cat_stdin_dash::h782ca85c444e207d [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 10: 0x5558f26ee4aa - fcat::integration::cat_stdin_dash::{{closure}}::hf7c812a5c1900e78 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 11: 0x5558f26df72e - core::ops::function::FnOnce::call_once::h044a010ef2d515f6 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 15: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 16: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 17: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 18: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 19: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 20: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 21: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 22: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 23: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 24: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 25: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 26: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 27: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 28: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 29: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 30: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 31: 0x7fd84f876d0f - __clone [INFO] [stdout] 32: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- integration::cat_single_file stdout ---- [INFO] [stdout] thread 'integration::cat_single_file' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ecfc1 - fcat::integration::cat_single_file::{{closure}}::h07ed9c9fd6806f48 [INFO] [stdout] at src/main.rs:105 [INFO] [stdout] 13: 0x5558f26ec4c2 - core::ops::function::impls:: for &F>::call::h8d5cf23dc7134567 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26c9f8f - proptest::test_runner::runner::call_test::{{closure}}::h19fb17aa17f0f216 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e4488 - as core::ops::function::FnOnce<()>>::call_once::hc815e0eb257199fe [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ec12b - std::panicking::try::do_call::hdec9f7d42367f68d [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26ea429 - std::panicking::try::h416e6ea1f204d386 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4b88 - std::panic::catch_unwind::hb699c81d8534bcab [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c7551 - proptest::test_runner::runner::call_test::he4b8672e0c20921b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26b27f0 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h083a32101e6af14c [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:473 [INFO] [stdout] 22: 0x5558f26b263b - proptest::test_runner::runner::TestRunner::gen_and_run_case::hf228805e44b5c475 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 23: 0x5558f26ba062 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h33dc146ba8a9e024 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 24: 0x5558f26ae46c - proptest::test_runner::runner::TestRunner::run_in_process::hbbb61a35e8600970 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 25: 0x5558f26bf9cb - proptest::test_runner::runner::TestRunner::run::h0874851caa673883 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 26: 0x5558f26ecb4c - fcat::integration::cat_single_file::h1a475dad1e1852ae [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 27: 0x5558f26ec96a - fcat::integration::cat_single_file::{{closure}}::h239608dc4397fa81 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 28: 0x5558f26dfb9e - core::ops::function::FnOnce::call_once::h9c2d847525510c3f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 29: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 30: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 31: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 32: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 33: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 34: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 35: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 36: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 37: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 38: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 39: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 41: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 42: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 43: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 44: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 47: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 48: 0x7fd84f876d0f - __clone [INFO] [stdout] 49: 0x0 - [INFO] [stdout] thread 'integration::cat_single_file' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some(" Blocking waiting for file lock on package cache\nerror: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ecfc1 - fcat::integration::cat_single_file::{{closure}}::h07ed9c9fd6806f48 [INFO] [stdout] at src/main.rs:105 [INFO] [stdout] 13: 0x5558f26ec4c2 - core::ops::function::impls:: for &F>::call::h8d5cf23dc7134567 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26c9f8f - proptest::test_runner::runner::call_test::{{closure}}::h19fb17aa17f0f216 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e4488 - as core::ops::function::FnOnce<()>>::call_once::hc815e0eb257199fe [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ec12b - std::panicking::try::do_call::hdec9f7d42367f68d [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26ea429 - std::panicking::try::h416e6ea1f204d386 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4b88 - std::panic::catch_unwind::hb699c81d8534bcab [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c7551 - proptest::test_runner::runner::call_test::he4b8672e0c20921b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c16e4 - proptest::test_runner::runner::TestRunner::shrink::h62b2694cd0d2d444 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b28a9 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h083a32101e6af14c [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26b263b - proptest::test_runner::runner::TestRunner::gen_and_run_case::hf228805e44b5c475 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26ba062 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h33dc146ba8a9e024 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae46c - proptest::test_runner::runner::TestRunner::run_in_process::hbbb61a35e8600970 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bf9cb - proptest::test_runner::runner::TestRunner::run::h0874851caa673883 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ecb4c - fcat::integration::cat_single_file::h1a475dad1e1852ae [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26ec96a - fcat::integration::cat_single_file::{{closure}}::h239608dc4397fa81 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26dfb9e - core::ops::function::FnOnce::call_once::h9c2d847525510c3f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_single_file' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ecfc1 - fcat::integration::cat_single_file::{{closure}}::h07ed9c9fd6806f48 [INFO] [stdout] at src/main.rs:105 [INFO] [stdout] 13: 0x5558f26ec4c2 - core::ops::function::impls:: for &F>::call::h8d5cf23dc7134567 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26c9f8f - proptest::test_runner::runner::call_test::{{closure}}::h19fb17aa17f0f216 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e4488 - as core::ops::function::FnOnce<()>>::call_once::hc815e0eb257199fe [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ec12b - std::panicking::try::do_call::hdec9f7d42367f68d [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26ea429 - std::panicking::try::h416e6ea1f204d386 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4b88 - std::panic::catch_unwind::hb699c81d8534bcab [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c7551 - proptest::test_runner::runner::call_test::he4b8672e0c20921b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c16e4 - proptest::test_runner::runner::TestRunner::shrink::h62b2694cd0d2d444 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b28a9 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h083a32101e6af14c [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26b263b - proptest::test_runner::runner::TestRunner::gen_and_run_case::hf228805e44b5c475 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26ba062 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h33dc146ba8a9e024 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae46c - proptest::test_runner::runner::TestRunner::run_in_process::hbbb61a35e8600970 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bf9cb - proptest::test_runner::runner::TestRunner::run::h0874851caa673883 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ecb4c - fcat::integration::cat_single_file::h1a475dad1e1852ae [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26ec96a - fcat::integration::cat_single_file::{{closure}}::h239608dc4397fa81 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26dfb9e - core::ops::function::FnOnce::call_once::h9c2d847525510c3f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_single_file' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ecfc1 - fcat::integration::cat_single_file::{{closure}}::h07ed9c9fd6806f48 [INFO] [stdout] at src/main.rs:105 [INFO] [stdout] 13: 0x5558f26ec4c2 - core::ops::function::impls:: for &F>::call::h8d5cf23dc7134567 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26c9f8f - proptest::test_runner::runner::call_test::{{closure}}::h19fb17aa17f0f216 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e4488 - as core::ops::function::FnOnce<()>>::call_once::hc815e0eb257199fe [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ec12b - std::panicking::try::do_call::hdec9f7d42367f68d [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26ea429 - std::panicking::try::h416e6ea1f204d386 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4b88 - std::panic::catch_unwind::hb699c81d8534bcab [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c7551 - proptest::test_runner::runner::call_test::he4b8672e0c20921b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c16e4 - proptest::test_runner::runner::TestRunner::shrink::h62b2694cd0d2d444 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b28a9 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h083a32101e6af14c [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26b263b - proptest::test_runner::runner::TestRunner::gen_and_run_case::hf228805e44b5c475 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26ba062 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h33dc146ba8a9e024 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae46c - proptest::test_runner::runner::TestRunner::run_in_process::hbbb61a35e8600970 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bf9cb - proptest::test_runner::runner::TestRunner::run::h0874851caa673883 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ecb4c - fcat::integration::cat_single_file::h1a475dad1e1852ae [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26ec96a - fcat::integration::cat_single_file::{{closure}}::h239608dc4397fa81 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26dfb9e - core::ops::function::FnOnce::call_once::h9c2d847525510c3f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_single_file' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some(" Blocking waiting for file lock on package cache\nerror: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ecfc1 - fcat::integration::cat_single_file::{{closure}}::h07ed9c9fd6806f48 [INFO] [stdout] at src/main.rs:105 [INFO] [stdout] 13: 0x5558f26ec4c2 - core::ops::function::impls:: for &F>::call::h8d5cf23dc7134567 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26c9f8f - proptest::test_runner::runner::call_test::{{closure}}::h19fb17aa17f0f216 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e4488 - as core::ops::function::FnOnce<()>>::call_once::hc815e0eb257199fe [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ec12b - std::panicking::try::do_call::hdec9f7d42367f68d [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26ea429 - std::panicking::try::h416e6ea1f204d386 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4b88 - std::panic::catch_unwind::hb699c81d8534bcab [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c7551 - proptest::test_runner::runner::call_test::he4b8672e0c20921b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c16e4 - proptest::test_runner::runner::TestRunner::shrink::h62b2694cd0d2d444 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b28a9 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h083a32101e6af14c [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26b263b - proptest::test_runner::runner::TestRunner::gen_and_run_case::hf228805e44b5c475 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26ba062 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h33dc146ba8a9e024 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae46c - proptest::test_runner::runner::TestRunner::run_in_process::hbbb61a35e8600970 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bf9cb - proptest::test_runner::runner::TestRunner::run::h0874851caa673883 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ecb4c - fcat::integration::cat_single_file::h1a475dad1e1852ae [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26ec96a - fcat::integration::cat_single_file::{{closure}}::h239608dc4397fa81 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26dfb9e - core::ops::function::FnOnce::call_once::h9c2d847525510c3f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_single_file' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ecfc1 - fcat::integration::cat_single_file::{{closure}}::h07ed9c9fd6806f48 [INFO] [stdout] at src/main.rs:105 [INFO] [stdout] 13: 0x5558f26ec4c2 - core::ops::function::impls:: for &F>::call::h8d5cf23dc7134567 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26c9f8f - proptest::test_runner::runner::call_test::{{closure}}::h19fb17aa17f0f216 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e4488 - as core::ops::function::FnOnce<()>>::call_once::hc815e0eb257199fe [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ec12b - std::panicking::try::do_call::hdec9f7d42367f68d [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26ea429 - std::panicking::try::h416e6ea1f204d386 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4b88 - std::panic::catch_unwind::hb699c81d8534bcab [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c7551 - proptest::test_runner::runner::call_test::he4b8672e0c20921b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c16e4 - proptest::test_runner::runner::TestRunner::shrink::h62b2694cd0d2d444 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b28a9 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h083a32101e6af14c [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26b263b - proptest::test_runner::runner::TestRunner::gen_and_run_case::hf228805e44b5c475 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26ba062 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h33dc146ba8a9e024 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae46c - proptest::test_runner::runner::TestRunner::run_in_process::hbbb61a35e8600970 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bf9cb - proptest::test_runner::runner::TestRunner::run::h0874851caa673883 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ecb4c - fcat::integration::cat_single_file::h1a475dad1e1852ae [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26ec96a - fcat::integration::cat_single_file::{{closure}}::h239608dc4397fa81 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26dfb9e - core::ops::function::FnOnce::call_once::h9c2d847525510c3f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_single_file' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ecfc1 - fcat::integration::cat_single_file::{{closure}}::h07ed9c9fd6806f48 [INFO] [stdout] at src/main.rs:105 [INFO] [stdout] 13: 0x5558f26ec4c2 - core::ops::function::impls:: for &F>::call::h8d5cf23dc7134567 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26c9f8f - proptest::test_runner::runner::call_test::{{closure}}::h19fb17aa17f0f216 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e4488 - as core::ops::function::FnOnce<()>>::call_once::hc815e0eb257199fe [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ec12b - std::panicking::try::do_call::hdec9f7d42367f68d [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26ea429 - std::panicking::try::h416e6ea1f204d386 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4b88 - std::panic::catch_unwind::hb699c81d8534bcab [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c7551 - proptest::test_runner::runner::call_test::he4b8672e0c20921b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c16e4 - proptest::test_runner::runner::TestRunner::shrink::h62b2694cd0d2d444 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b28a9 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h083a32101e6af14c [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26b263b - proptest::test_runner::runner::TestRunner::gen_and_run_case::hf228805e44b5c475 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26ba062 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h33dc146ba8a9e024 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae46c - proptest::test_runner::runner::TestRunner::run_in_process::hbbb61a35e8600970 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bf9cb - proptest::test_runner::runner::TestRunner::run::h0874851caa673883 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ecb4c - fcat::integration::cat_single_file::h1a475dad1e1852ae [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26ec96a - fcat::integration::cat_single_file::{{closure}}::h239608dc4397fa81 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26dfb9e - core::ops::function::FnOnce::call_once::h9c2d847525510c3f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_single_file' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ecfc1 - fcat::integration::cat_single_file::{{closure}}::h07ed9c9fd6806f48 [INFO] [stdout] at src/main.rs:105 [INFO] [stdout] 13: 0x5558f26ec4c2 - core::ops::function::impls:: for &F>::call::h8d5cf23dc7134567 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26c9f8f - proptest::test_runner::runner::call_test::{{closure}}::h19fb17aa17f0f216 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e4488 - as core::ops::function::FnOnce<()>>::call_once::hc815e0eb257199fe [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ec12b - std::panicking::try::do_call::hdec9f7d42367f68d [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26ea429 - std::panicking::try::h416e6ea1f204d386 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4b88 - std::panic::catch_unwind::hb699c81d8534bcab [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c7551 - proptest::test_runner::runner::call_test::he4b8672e0c20921b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c16e4 - proptest::test_runner::runner::TestRunner::shrink::h62b2694cd0d2d444 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b28a9 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h083a32101e6af14c [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26b263b - proptest::test_runner::runner::TestRunner::gen_and_run_case::hf228805e44b5c475 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26ba062 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h33dc146ba8a9e024 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae46c - proptest::test_runner::runner::TestRunner::run_in_process::hbbb61a35e8600970 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bf9cb - proptest::test_runner::runner::TestRunner::run::h0874851caa673883 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ecb4c - fcat::integration::cat_single_file::h1a475dad1e1852ae [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26ec96a - fcat::integration::cat_single_file::{{closure}}::h239608dc4397fa81 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26dfb9e - core::ops::function::FnOnce::call_once::h9c2d847525510c3f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_single_file' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ecfc1 - fcat::integration::cat_single_file::{{closure}}::h07ed9c9fd6806f48 [INFO] [stdout] at src/main.rs:105 [INFO] [stdout] 13: 0x5558f26ec4c2 - core::ops::function::impls:: for &F>::call::h8d5cf23dc7134567 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26c9f8f - proptest::test_runner::runner::call_test::{{closure}}::h19fb17aa17f0f216 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e4488 - as core::ops::function::FnOnce<()>>::call_once::hc815e0eb257199fe [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ec12b - std::panicking::try::do_call::hdec9f7d42367f68d [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26ea429 - std::panicking::try::h416e6ea1f204d386 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4b88 - std::panic::catch_unwind::hb699c81d8534bcab [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c7551 - proptest::test_runner::runner::call_test::he4b8672e0c20921b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c16e4 - proptest::test_runner::runner::TestRunner::shrink::h62b2694cd0d2d444 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b28a9 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h083a32101e6af14c [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26b263b - proptest::test_runner::runner::TestRunner::gen_and_run_case::hf228805e44b5c475 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26ba062 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h33dc146ba8a9e024 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae46c - proptest::test_runner::runner::TestRunner::run_in_process::hbbb61a35e8600970 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bf9cb - proptest::test_runner::runner::TestRunner::run::h0874851caa673883 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ecb4c - fcat::integration::cat_single_file::h1a475dad1e1852ae [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26ec96a - fcat::integration::cat_single_file::{{closure}}::h239608dc4397fa81 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26dfb9e - core::ops::function::FnOnce::call_once::h9c2d847525510c3f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_single_file' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ecfc1 - fcat::integration::cat_single_file::{{closure}}::h07ed9c9fd6806f48 [INFO] [stdout] at src/main.rs:105 [INFO] [stdout] 13: 0x5558f26ec4c2 - core::ops::function::impls:: for &F>::call::h8d5cf23dc7134567 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26c9f8f - proptest::test_runner::runner::call_test::{{closure}}::h19fb17aa17f0f216 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e4488 - as core::ops::function::FnOnce<()>>::call_once::hc815e0eb257199fe [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ec12b - std::panicking::try::do_call::hdec9f7d42367f68d [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26ea429 - std::panicking::try::h416e6ea1f204d386 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4b88 - std::panic::catch_unwind::hb699c81d8534bcab [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c7551 - proptest::test_runner::runner::call_test::he4b8672e0c20921b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c16e4 - proptest::test_runner::runner::TestRunner::shrink::h62b2694cd0d2d444 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b28a9 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h083a32101e6af14c [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26b263b - proptest::test_runner::runner::TestRunner::gen_and_run_case::hf228805e44b5c475 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26ba062 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h33dc146ba8a9e024 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae46c - proptest::test_runner::runner::TestRunner::run_in_process::hbbb61a35e8600970 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bf9cb - proptest::test_runner::runner::TestRunner::run::h0874851caa673883 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ecb4c - fcat::integration::cat_single_file::h1a475dad1e1852ae [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26ec96a - fcat::integration::cat_single_file::{{closure}}::h239608dc4397fa81 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26dfb9e - core::ops::function::FnOnce::call_once::h9c2d847525510c3f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_single_file' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ecfc1 - fcat::integration::cat_single_file::{{closure}}::h07ed9c9fd6806f48 [INFO] [stdout] at src/main.rs:105 [INFO] [stdout] 13: 0x5558f26ec4c2 - core::ops::function::impls:: for &F>::call::h8d5cf23dc7134567 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26c9f8f - proptest::test_runner::runner::call_test::{{closure}}::h19fb17aa17f0f216 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e4488 - as core::ops::function::FnOnce<()>>::call_once::hc815e0eb257199fe [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ec12b - std::panicking::try::do_call::hdec9f7d42367f68d [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26ea429 - std::panicking::try::h416e6ea1f204d386 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4b88 - std::panic::catch_unwind::hb699c81d8534bcab [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c7551 - proptest::test_runner::runner::call_test::he4b8672e0c20921b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c16e4 - proptest::test_runner::runner::TestRunner::shrink::h62b2694cd0d2d444 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b28a9 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h083a32101e6af14c [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26b263b - proptest::test_runner::runner::TestRunner::gen_and_run_case::hf228805e44b5c475 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26ba062 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h33dc146ba8a9e024 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae46c - proptest::test_runner::runner::TestRunner::run_in_process::hbbb61a35e8600970 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bf9cb - proptest::test_runner::runner::TestRunner::run::h0874851caa673883 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ecb4c - fcat::integration::cat_single_file::h1a475dad1e1852ae [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26ec96a - fcat::integration::cat_single_file::{{closure}}::h239608dc4397fa81 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26dfb9e - core::ops::function::FnOnce::call_once::h9c2d847525510c3f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_single_file' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ecfc1 - fcat::integration::cat_single_file::{{closure}}::h07ed9c9fd6806f48 [INFO] [stdout] at src/main.rs:105 [INFO] [stdout] 13: 0x5558f26ec4c2 - core::ops::function::impls:: for &F>::call::h8d5cf23dc7134567 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26c9f8f - proptest::test_runner::runner::call_test::{{closure}}::h19fb17aa17f0f216 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e4488 - as core::ops::function::FnOnce<()>>::call_once::hc815e0eb257199fe [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ec12b - std::panicking::try::do_call::hdec9f7d42367f68d [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26ea429 - std::panicking::try::h416e6ea1f204d386 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4b88 - std::panic::catch_unwind::hb699c81d8534bcab [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c7551 - proptest::test_runner::runner::call_test::he4b8672e0c20921b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c16e4 - proptest::test_runner::runner::TestRunner::shrink::h62b2694cd0d2d444 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b28a9 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h083a32101e6af14c [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26b263b - proptest::test_runner::runner::TestRunner::gen_and_run_case::hf228805e44b5c475 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26ba062 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h33dc146ba8a9e024 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae46c - proptest::test_runner::runner::TestRunner::run_in_process::hbbb61a35e8600970 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bf9cb - proptest::test_runner::runner::TestRunner::run::h0874851caa673883 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ecb4c - fcat::integration::cat_single_file::h1a475dad1e1852ae [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26ec96a - fcat::integration::cat_single_file::{{closure}}::h239608dc4397fa81 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26dfb9e - core::ops::function::FnOnce::call_once::h9c2d847525510c3f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_single_file' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ecfc1 - fcat::integration::cat_single_file::{{closure}}::h07ed9c9fd6806f48 [INFO] [stdout] at src/main.rs:105 [INFO] [stdout] 13: 0x5558f26ec4c2 - core::ops::function::impls:: for &F>::call::h8d5cf23dc7134567 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26c9f8f - proptest::test_runner::runner::call_test::{{closure}}::h19fb17aa17f0f216 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e4488 - as core::ops::function::FnOnce<()>>::call_once::hc815e0eb257199fe [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ec12b - std::panicking::try::do_call::hdec9f7d42367f68d [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26ea429 - std::panicking::try::h416e6ea1f204d386 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4b88 - std::panic::catch_unwind::hb699c81d8534bcab [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c7551 - proptest::test_runner::runner::call_test::he4b8672e0c20921b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c16e4 - proptest::test_runner::runner::TestRunner::shrink::h62b2694cd0d2d444 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b28a9 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h083a32101e6af14c [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26b263b - proptest::test_runner::runner::TestRunner::gen_and_run_case::hf228805e44b5c475 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26ba062 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h33dc146ba8a9e024 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae46c - proptest::test_runner::runner::TestRunner::run_in_process::hbbb61a35e8600970 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bf9cb - proptest::test_runner::runner::TestRunner::run::h0874851caa673883 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ecb4c - fcat::integration::cat_single_file::h1a475dad1e1852ae [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26ec96a - fcat::integration::cat_single_file::{{closure}}::h239608dc4397fa81 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26dfb9e - core::ops::function::FnOnce::call_once::h9c2d847525510c3f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_single_file' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ecfc1 - fcat::integration::cat_single_file::{{closure}}::h07ed9c9fd6806f48 [INFO] [stdout] at src/main.rs:105 [INFO] [stdout] 13: 0x5558f26ec4c2 - core::ops::function::impls:: for &F>::call::h8d5cf23dc7134567 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26c9f8f - proptest::test_runner::runner::call_test::{{closure}}::h19fb17aa17f0f216 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e4488 - as core::ops::function::FnOnce<()>>::call_once::hc815e0eb257199fe [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ec12b - std::panicking::try::do_call::hdec9f7d42367f68d [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26ea429 - std::panicking::try::h416e6ea1f204d386 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4b88 - std::panic::catch_unwind::hb699c81d8534bcab [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c7551 - proptest::test_runner::runner::call_test::he4b8672e0c20921b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c16e4 - proptest::test_runner::runner::TestRunner::shrink::h62b2694cd0d2d444 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b28a9 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h083a32101e6af14c [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26b263b - proptest::test_runner::runner::TestRunner::gen_and_run_case::hf228805e44b5c475 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26ba062 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h33dc146ba8a9e024 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae46c - proptest::test_runner::runner::TestRunner::run_in_process::hbbb61a35e8600970 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bf9cb - proptest::test_runner::runner::TestRunner::run::h0874851caa673883 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ecb4c - fcat::integration::cat_single_file::h1a475dad1e1852ae [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26ec96a - fcat::integration::cat_single_file::{{closure}}::h239608dc4397fa81 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26dfb9e - core::ops::function::FnOnce::call_once::h9c2d847525510c3f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_single_file' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ecfc1 - fcat::integration::cat_single_file::{{closure}}::h07ed9c9fd6806f48 [INFO] [stdout] at src/main.rs:105 [INFO] [stdout] 13: 0x5558f26ec4c2 - core::ops::function::impls:: for &F>::call::h8d5cf23dc7134567 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26c9f8f - proptest::test_runner::runner::call_test::{{closure}}::h19fb17aa17f0f216 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e4488 - as core::ops::function::FnOnce<()>>::call_once::hc815e0eb257199fe [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ec12b - std::panicking::try::do_call::hdec9f7d42367f68d [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26ea429 - std::panicking::try::h416e6ea1f204d386 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4b88 - std::panic::catch_unwind::hb699c81d8534bcab [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c7551 - proptest::test_runner::runner::call_test::he4b8672e0c20921b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c16e4 - proptest::test_runner::runner::TestRunner::shrink::h62b2694cd0d2d444 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b28a9 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h083a32101e6af14c [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26b263b - proptest::test_runner::runner::TestRunner::gen_and_run_case::hf228805e44b5c475 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26ba062 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h33dc146ba8a9e024 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae46c - proptest::test_runner::runner::TestRunner::run_in_process::hbbb61a35e8600970 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bf9cb - proptest::test_runner::runner::TestRunner::run::h0874851caa673883 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ecb4c - fcat::integration::cat_single_file::h1a475dad1e1852ae [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26ec96a - fcat::integration::cat_single_file::{{closure}}::h239608dc4397fa81 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26dfb9e - core::ops::function::FnOnce::call_once::h9c2d847525510c3f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_single_file' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ecfc1 - fcat::integration::cat_single_file::{{closure}}::h07ed9c9fd6806f48 [INFO] [stdout] at src/main.rs:105 [INFO] [stdout] 13: 0x5558f26ec4c2 - core::ops::function::impls:: for &F>::call::h8d5cf23dc7134567 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26c9f8f - proptest::test_runner::runner::call_test::{{closure}}::h19fb17aa17f0f216 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e4488 - as core::ops::function::FnOnce<()>>::call_once::hc815e0eb257199fe [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ec12b - std::panicking::try::do_call::hdec9f7d42367f68d [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26ea429 - std::panicking::try::h416e6ea1f204d386 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4b88 - std::panic::catch_unwind::hb699c81d8534bcab [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c7551 - proptest::test_runner::runner::call_test::he4b8672e0c20921b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c16e4 - proptest::test_runner::runner::TestRunner::shrink::h62b2694cd0d2d444 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b28a9 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h083a32101e6af14c [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26b263b - proptest::test_runner::runner::TestRunner::gen_and_run_case::hf228805e44b5c475 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26ba062 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h33dc146ba8a9e024 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae46c - proptest::test_runner::runner::TestRunner::run_in_process::hbbb61a35e8600970 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bf9cb - proptest::test_runner::runner::TestRunner::run::h0874851caa673883 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ecb4c - fcat::integration::cat_single_file::h1a475dad1e1852ae [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26ec96a - fcat::integration::cat_single_file::{{closure}}::h239608dc4397fa81 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26dfb9e - core::ops::function::FnOnce::call_once::h9c2d847525510c3f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_single_file' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ecfc1 - fcat::integration::cat_single_file::{{closure}}::h07ed9c9fd6806f48 [INFO] [stdout] at src/main.rs:105 [INFO] [stdout] 13: 0x5558f26ec4c2 - core::ops::function::impls:: for &F>::call::h8d5cf23dc7134567 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26c9f8f - proptest::test_runner::runner::call_test::{{closure}}::h19fb17aa17f0f216 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e4488 - as core::ops::function::FnOnce<()>>::call_once::hc815e0eb257199fe [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ec12b - std::panicking::try::do_call::hdec9f7d42367f68d [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26ea429 - std::panicking::try::h416e6ea1f204d386 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4b88 - std::panic::catch_unwind::hb699c81d8534bcab [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c7551 - proptest::test_runner::runner::call_test::he4b8672e0c20921b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c16e4 - proptest::test_runner::runner::TestRunner::shrink::h62b2694cd0d2d444 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b28a9 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h083a32101e6af14c [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26b263b - proptest::test_runner::runner::TestRunner::gen_and_run_case::hf228805e44b5c475 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26ba062 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h33dc146ba8a9e024 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae46c - proptest::test_runner::runner::TestRunner::run_in_process::hbbb61a35e8600970 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bf9cb - proptest::test_runner::runner::TestRunner::run::h0874851caa673883 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ecb4c - fcat::integration::cat_single_file::h1a475dad1e1852ae [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26ec96a - fcat::integration::cat_single_file::{{closure}}::h239608dc4397fa81 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26dfb9e - core::ops::function::FnOnce::call_once::h9c2d847525510c3f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_single_file' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ecfc1 - fcat::integration::cat_single_file::{{closure}}::h07ed9c9fd6806f48 [INFO] [stdout] at src/main.rs:105 [INFO] [stdout] 13: 0x5558f26ec4c2 - core::ops::function::impls:: for &F>::call::h8d5cf23dc7134567 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26c9f8f - proptest::test_runner::runner::call_test::{{closure}}::h19fb17aa17f0f216 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e4488 - as core::ops::function::FnOnce<()>>::call_once::hc815e0eb257199fe [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ec12b - std::panicking::try::do_call::hdec9f7d42367f68d [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26ea429 - std::panicking::try::h416e6ea1f204d386 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4b88 - std::panic::catch_unwind::hb699c81d8534bcab [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c7551 - proptest::test_runner::runner::call_test::he4b8672e0c20921b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c16e4 - proptest::test_runner::runner::TestRunner::shrink::h62b2694cd0d2d444 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b28a9 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h083a32101e6af14c [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26b263b - proptest::test_runner::runner::TestRunner::gen_and_run_case::hf228805e44b5c475 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26ba062 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h33dc146ba8a9e024 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae46c - proptest::test_runner::runner::TestRunner::run_in_process::hbbb61a35e8600970 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bf9cb - proptest::test_runner::runner::TestRunner::run::h0874851caa673883 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ecb4c - fcat::integration::cat_single_file::h1a475dad1e1852ae [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26ec96a - fcat::integration::cat_single_file::{{closure}}::h239608dc4397fa81 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26dfb9e - core::ops::function::FnOnce::call_once::h9c2d847525510c3f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_single_file' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ecfc1 - fcat::integration::cat_single_file::{{closure}}::h07ed9c9fd6806f48 [INFO] [stdout] at src/main.rs:105 [INFO] [stdout] 13: 0x5558f26ec4c2 - core::ops::function::impls:: for &F>::call::h8d5cf23dc7134567 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26c9f8f - proptest::test_runner::runner::call_test::{{closure}}::h19fb17aa17f0f216 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e4488 - as core::ops::function::FnOnce<()>>::call_once::hc815e0eb257199fe [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ec12b - std::panicking::try::do_call::hdec9f7d42367f68d [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26ea429 - std::panicking::try::h416e6ea1f204d386 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4b88 - std::panic::catch_unwind::hb699c81d8534bcab [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c7551 - proptest::test_runner::runner::call_test::he4b8672e0c20921b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c16e4 - proptest::test_runner::runner::TestRunner::shrink::h62b2694cd0d2d444 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b28a9 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h083a32101e6af14c [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26b263b - proptest::test_runner::runner::TestRunner::gen_and_run_case::hf228805e44b5c475 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26ba062 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h33dc146ba8a9e024 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae46c - proptest::test_runner::runner::TestRunner::run_in_process::hbbb61a35e8600970 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bf9cb - proptest::test_runner::runner::TestRunner::run::h0874851caa673883 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ecb4c - fcat::integration::cat_single_file::h1a475dad1e1852ae [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26ec96a - fcat::integration::cat_single_file::{{closure}}::h239608dc4397fa81 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26dfb9e - core::ops::function::FnOnce::call_once::h9c2d847525510c3f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_single_file' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ecfc1 - fcat::integration::cat_single_file::{{closure}}::h07ed9c9fd6806f48 [INFO] [stdout] at src/main.rs:105 [INFO] [stdout] 13: 0x5558f26ec4c2 - core::ops::function::impls:: for &F>::call::h8d5cf23dc7134567 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26c9f8f - proptest::test_runner::runner::call_test::{{closure}}::h19fb17aa17f0f216 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e4488 - as core::ops::function::FnOnce<()>>::call_once::hc815e0eb257199fe [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ec12b - std::panicking::try::do_call::hdec9f7d42367f68d [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26ea429 - std::panicking::try::h416e6ea1f204d386 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4b88 - std::panic::catch_unwind::hb699c81d8534bcab [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c7551 - proptest::test_runner::runner::call_test::he4b8672e0c20921b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c16e4 - proptest::test_runner::runner::TestRunner::shrink::h62b2694cd0d2d444 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b28a9 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h083a32101e6af14c [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26b263b - proptest::test_runner::runner::TestRunner::gen_and_run_case::hf228805e44b5c475 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26ba062 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h33dc146ba8a9e024 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae46c - proptest::test_runner::runner::TestRunner::run_in_process::hbbb61a35e8600970 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bf9cb - proptest::test_runner::runner::TestRunner::run::h0874851caa673883 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ecb4c - fcat::integration::cat_single_file::h1a475dad1e1852ae [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26ec96a - fcat::integration::cat_single_file::{{closure}}::h239608dc4397fa81 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26dfb9e - core::ops::function::FnOnce::call_once::h9c2d847525510c3f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_single_file' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ecfc1 - fcat::integration::cat_single_file::{{closure}}::h07ed9c9fd6806f48 [INFO] [stdout] at src/main.rs:105 [INFO] [stdout] 13: 0x5558f26ec4c2 - core::ops::function::impls:: for &F>::call::h8d5cf23dc7134567 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26c9f8f - proptest::test_runner::runner::call_test::{{closure}}::h19fb17aa17f0f216 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e4488 - as core::ops::function::FnOnce<()>>::call_once::hc815e0eb257199fe [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ec12b - std::panicking::try::do_call::hdec9f7d42367f68d [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26ea429 - std::panicking::try::h416e6ea1f204d386 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4b88 - std::panic::catch_unwind::hb699c81d8534bcab [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c7551 - proptest::test_runner::runner::call_test::he4b8672e0c20921b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c16e4 - proptest::test_runner::runner::TestRunner::shrink::h62b2694cd0d2d444 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b28a9 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h083a32101e6af14c [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26b263b - proptest::test_runner::runner::TestRunner::gen_and_run_case::hf228805e44b5c475 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26ba062 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h33dc146ba8a9e024 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae46c - proptest::test_runner::runner::TestRunner::run_in_process::hbbb61a35e8600970 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bf9cb - proptest::test_runner::runner::TestRunner::run::h0874851caa673883 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ecb4c - fcat::integration::cat_single_file::h1a475dad1e1852ae [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26ec96a - fcat::integration::cat_single_file::{{closure}}::h239608dc4397fa81 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26dfb9e - core::ops::function::FnOnce::call_once::h9c2d847525510c3f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_single_file' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ecfc1 - fcat::integration::cat_single_file::{{closure}}::h07ed9c9fd6806f48 [INFO] [stdout] at src/main.rs:105 [INFO] [stdout] 13: 0x5558f26ec4c2 - core::ops::function::impls:: for &F>::call::h8d5cf23dc7134567 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26c9f8f - proptest::test_runner::runner::call_test::{{closure}}::h19fb17aa17f0f216 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e4488 - as core::ops::function::FnOnce<()>>::call_once::hc815e0eb257199fe [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ec12b - std::panicking::try::do_call::hdec9f7d42367f68d [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26ea429 - std::panicking::try::h416e6ea1f204d386 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4b88 - std::panic::catch_unwind::hb699c81d8534bcab [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c7551 - proptest::test_runner::runner::call_test::he4b8672e0c20921b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c16e4 - proptest::test_runner::runner::TestRunner::shrink::h62b2694cd0d2d444 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b28a9 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h083a32101e6af14c [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26b263b - proptest::test_runner::runner::TestRunner::gen_and_run_case::hf228805e44b5c475 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26ba062 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h33dc146ba8a9e024 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae46c - proptest::test_runner::runner::TestRunner::run_in_process::hbbb61a35e8600970 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bf9cb - proptest::test_runner::runner::TestRunner::run::h0874851caa673883 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ecb4c - fcat::integration::cat_single_file::h1a475dad1e1852ae [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26ec96a - fcat::integration::cat_single_file::{{closure}}::h239608dc4397fa81 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26dfb9e - core::ops::function::FnOnce::call_once::h9c2d847525510c3f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_single_file' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ecfc1 - fcat::integration::cat_single_file::{{closure}}::h07ed9c9fd6806f48 [INFO] [stdout] at src/main.rs:105 [INFO] [stdout] 13: 0x5558f26ec4c2 - core::ops::function::impls:: for &F>::call::h8d5cf23dc7134567 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26c9f8f - proptest::test_runner::runner::call_test::{{closure}}::h19fb17aa17f0f216 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e4488 - as core::ops::function::FnOnce<()>>::call_once::hc815e0eb257199fe [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ec12b - std::panicking::try::do_call::hdec9f7d42367f68d [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26ea429 - std::panicking::try::h416e6ea1f204d386 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4b88 - std::panic::catch_unwind::hb699c81d8534bcab [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c7551 - proptest::test_runner::runner::call_test::he4b8672e0c20921b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c16e4 - proptest::test_runner::runner::TestRunner::shrink::h62b2694cd0d2d444 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b28a9 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h083a32101e6af14c [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26b263b - proptest::test_runner::runner::TestRunner::gen_and_run_case::hf228805e44b5c475 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26ba062 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h33dc146ba8a9e024 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae46c - proptest::test_runner::runner::TestRunner::run_in_process::hbbb61a35e8600970 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bf9cb - proptest::test_runner::runner::TestRunner::run::h0874851caa673883 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ecb4c - fcat::integration::cat_single_file::h1a475dad1e1852ae [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26ec96a - fcat::integration::cat_single_file::{{closure}}::h239608dc4397fa81 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26dfb9e - core::ops::function::FnOnce::call_once::h9c2d847525510c3f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_single_file' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ecfc1 - fcat::integration::cat_single_file::{{closure}}::h07ed9c9fd6806f48 [INFO] [stdout] at src/main.rs:105 [INFO] [stdout] 13: 0x5558f26ec4c2 - core::ops::function::impls:: for &F>::call::h8d5cf23dc7134567 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26c9f8f - proptest::test_runner::runner::call_test::{{closure}}::h19fb17aa17f0f216 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e4488 - as core::ops::function::FnOnce<()>>::call_once::hc815e0eb257199fe [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ec12b - std::panicking::try::do_call::hdec9f7d42367f68d [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26ea429 - std::panicking::try::h416e6ea1f204d386 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4b88 - std::panic::catch_unwind::hb699c81d8534bcab [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c7551 - proptest::test_runner::runner::call_test::he4b8672e0c20921b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c16e4 - proptest::test_runner::runner::TestRunner::shrink::h62b2694cd0d2d444 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b28a9 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h083a32101e6af14c [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26b263b - proptest::test_runner::runner::TestRunner::gen_and_run_case::hf228805e44b5c475 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26ba062 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h33dc146ba8a9e024 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae46c - proptest::test_runner::runner::TestRunner::run_in_process::hbbb61a35e8600970 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bf9cb - proptest::test_runner::runner::TestRunner::run::h0874851caa673883 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ecb4c - fcat::integration::cat_single_file::h1a475dad1e1852ae [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26ec96a - fcat::integration::cat_single_file::{{closure}}::h239608dc4397fa81 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26dfb9e - core::ops::function::FnOnce::call_once::h9c2d847525510c3f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_single_file' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ecfc1 - fcat::integration::cat_single_file::{{closure}}::h07ed9c9fd6806f48 [INFO] [stdout] at src/main.rs:105 [INFO] [stdout] 13: 0x5558f26ec4c2 - core::ops::function::impls:: for &F>::call::h8d5cf23dc7134567 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26c9f8f - proptest::test_runner::runner::call_test::{{closure}}::h19fb17aa17f0f216 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e4488 - as core::ops::function::FnOnce<()>>::call_once::hc815e0eb257199fe [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ec12b - std::panicking::try::do_call::hdec9f7d42367f68d [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26ea429 - std::panicking::try::h416e6ea1f204d386 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4b88 - std::panic::catch_unwind::hb699c81d8534bcab [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c7551 - proptest::test_runner::runner::call_test::he4b8672e0c20921b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c16e4 - proptest::test_runner::runner::TestRunner::shrink::h62b2694cd0d2d444 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b28a9 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h083a32101e6af14c [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26b263b - proptest::test_runner::runner::TestRunner::gen_and_run_case::hf228805e44b5c475 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26ba062 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h33dc146ba8a9e024 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae46c - proptest::test_runner::runner::TestRunner::run_in_process::hbbb61a35e8600970 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bf9cb - proptest::test_runner::runner::TestRunner::run::h0874851caa673883 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ecb4c - fcat::integration::cat_single_file::h1a475dad1e1852ae [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26ec96a - fcat::integration::cat_single_file::{{closure}}::h239608dc4397fa81 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26dfb9e - core::ops::function::FnOnce::call_once::h9c2d847525510c3f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_single_file' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ecfc1 - fcat::integration::cat_single_file::{{closure}}::h07ed9c9fd6806f48 [INFO] [stdout] at src/main.rs:105 [INFO] [stdout] 13: 0x5558f26ec4c2 - core::ops::function::impls:: for &F>::call::h8d5cf23dc7134567 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26c9f8f - proptest::test_runner::runner::call_test::{{closure}}::h19fb17aa17f0f216 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e4488 - as core::ops::function::FnOnce<()>>::call_once::hc815e0eb257199fe [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ec12b - std::panicking::try::do_call::hdec9f7d42367f68d [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26ea429 - std::panicking::try::h416e6ea1f204d386 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4b88 - std::panic::catch_unwind::hb699c81d8534bcab [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c7551 - proptest::test_runner::runner::call_test::he4b8672e0c20921b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c16e4 - proptest::test_runner::runner::TestRunner::shrink::h62b2694cd0d2d444 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b28a9 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h083a32101e6af14c [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26b263b - proptest::test_runner::runner::TestRunner::gen_and_run_case::hf228805e44b5c475 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26ba062 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h33dc146ba8a9e024 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae46c - proptest::test_runner::runner::TestRunner::run_in_process::hbbb61a35e8600970 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bf9cb - proptest::test_runner::runner::TestRunner::run::h0874851caa673883 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ecb4c - fcat::integration::cat_single_file::h1a475dad1e1852ae [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26ec96a - fcat::integration::cat_single_file::{{closure}}::h239608dc4397fa81 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26dfb9e - core::ops::function::FnOnce::call_once::h9c2d847525510c3f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_single_file' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ecfc1 - fcat::integration::cat_single_file::{{closure}}::h07ed9c9fd6806f48 [INFO] [stdout] at src/main.rs:105 [INFO] [stdout] 13: 0x5558f26ec4c2 - core::ops::function::impls:: for &F>::call::h8d5cf23dc7134567 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26c9f8f - proptest::test_runner::runner::call_test::{{closure}}::h19fb17aa17f0f216 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e4488 - as core::ops::function::FnOnce<()>>::call_once::hc815e0eb257199fe [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ec12b - std::panicking::try::do_call::hdec9f7d42367f68d [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26ea429 - std::panicking::try::h416e6ea1f204d386 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4b88 - std::panic::catch_unwind::hb699c81d8534bcab [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c7551 - proptest::test_runner::runner::call_test::he4b8672e0c20921b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c16e4 - proptest::test_runner::runner::TestRunner::shrink::h62b2694cd0d2d444 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b28a9 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h083a32101e6af14c [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26b263b - proptest::test_runner::runner::TestRunner::gen_and_run_case::hf228805e44b5c475 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26ba062 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h33dc146ba8a9e024 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae46c - proptest::test_runner::runner::TestRunner::run_in_process::hbbb61a35e8600970 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bf9cb - proptest::test_runner::runner::TestRunner::run::h0874851caa673883 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ecb4c - fcat::integration::cat_single_file::h1a475dad1e1852ae [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26ec96a - fcat::integration::cat_single_file::{{closure}}::h239608dc4397fa81 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26dfb9e - core::ops::function::FnOnce::call_once::h9c2d847525510c3f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_single_file' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ecfc1 - fcat::integration::cat_single_file::{{closure}}::h07ed9c9fd6806f48 [INFO] [stdout] at src/main.rs:105 [INFO] [stdout] 13: 0x5558f26ec4c2 - core::ops::function::impls:: for &F>::call::h8d5cf23dc7134567 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26c9f8f - proptest::test_runner::runner::call_test::{{closure}}::h19fb17aa17f0f216 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e4488 - as core::ops::function::FnOnce<()>>::call_once::hc815e0eb257199fe [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ec12b - std::panicking::try::do_call::hdec9f7d42367f68d [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26ea429 - std::panicking::try::h416e6ea1f204d386 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4b88 - std::panic::catch_unwind::hb699c81d8534bcab [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c7551 - proptest::test_runner::runner::call_test::he4b8672e0c20921b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c16e4 - proptest::test_runner::runner::TestRunner::shrink::h62b2694cd0d2d444 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b28a9 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h083a32101e6af14c [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26b263b - proptest::test_runner::runner::TestRunner::gen_and_run_case::hf228805e44b5c475 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26ba062 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h33dc146ba8a9e024 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae46c - proptest::test_runner::runner::TestRunner::run_in_process::hbbb61a35e8600970 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bf9cb - proptest::test_runner::runner::TestRunner::run::h0874851caa673883 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ecb4c - fcat::integration::cat_single_file::h1a475dad1e1852ae [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26ec96a - fcat::integration::cat_single_file::{{closure}}::h239608dc4397fa81 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26dfb9e - core::ops::function::FnOnce::call_once::h9c2d847525510c3f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_single_file' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ecfc1 - fcat::integration::cat_single_file::{{closure}}::h07ed9c9fd6806f48 [INFO] [stdout] at src/main.rs:105 [INFO] [stdout] 13: 0x5558f26ec4c2 - core::ops::function::impls:: for &F>::call::h8d5cf23dc7134567 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26c9f8f - proptest::test_runner::runner::call_test::{{closure}}::h19fb17aa17f0f216 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e4488 - as core::ops::function::FnOnce<()>>::call_once::hc815e0eb257199fe [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ec12b - std::panicking::try::do_call::hdec9f7d42367f68d [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26ea429 - std::panicking::try::h416e6ea1f204d386 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4b88 - std::panic::catch_unwind::hb699c81d8534bcab [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c7551 - proptest::test_runner::runner::call_test::he4b8672e0c20921b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c16e4 - proptest::test_runner::runner::TestRunner::shrink::h62b2694cd0d2d444 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b28a9 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h083a32101e6af14c [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26b263b - proptest::test_runner::runner::TestRunner::gen_and_run_case::hf228805e44b5c475 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26ba062 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h33dc146ba8a9e024 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae46c - proptest::test_runner::runner::TestRunner::run_in_process::hbbb61a35e8600970 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bf9cb - proptest::test_runner::runner::TestRunner::run::h0874851caa673883 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ecb4c - fcat::integration::cat_single_file::h1a475dad1e1852ae [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26ec96a - fcat::integration::cat_single_file::{{closure}}::h239608dc4397fa81 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26dfb9e - core::ops::function::FnOnce::call_once::h9c2d847525510c3f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] proptest: failed to append to /opt/crater/workdir/proptest-regressions/main.txt: Read-only file system (os error 30) [INFO] [stdout] thread 'integration::cat_single_file' panicked at 'Test failed: called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }; minimal failing input: content = [] [INFO] [stdout] successes: 0 [INFO] [stdout] local rejects: 0 [INFO] [stdout] global rejects: 0 [INFO] [stdout] ', src/main.rs:101:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a9df - std::panicking::begin_panic_fmt::he65a2e8ff19d8ae0 [INFO] [stdout] at src/libstd/panicking.rs:339 [INFO] [stdout] 9: 0x5558f26ecd3f - fcat::integration::cat_single_file::h1a475dad1e1852ae [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 10: 0x5558f26ec96a - fcat::integration::cat_single_file::{{closure}}::h239608dc4397fa81 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 11: 0x5558f26dfb9e - core::ops::function::FnOnce::call_once::h9c2d847525510c3f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 15: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 16: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 17: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 18: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 19: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 20: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 21: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 22: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 23: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 24: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 25: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 26: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 27: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 28: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 29: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 30: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 31: 0x7fd84f876d0f - __clone [INFO] [stdout] 32: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- integration::cat_stdin stdout ---- [INFO] [stdout] thread 'integration::cat_stdin' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ee2fe - fcat::integration::cat_stdin::{{closure}}::h674c9c9d55ab45aa [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x5558f26ec5f2 - core::ops::function::impls:: for &F>::call::hf0320fe272f54e16 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26caa9f - proptest::test_runner::runner::call_test::{{closure}}::h8cd23604a2cbc77d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e43e8 - as core::ops::function::FnOnce<()>>::call_once::hb69bc1b4aebedbe2 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ebcab - std::panicking::try::do_call::h4715d0eb44e09dd4 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26eaf19 - std::panicking::try::h84a7fd78d7a87eff [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4a98 - std::panic::catch_unwind::h9a94e3e28197ce0e [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c9651 - proptest::test_runner::runner::call_test::hfadf180b4efa6423 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26b60d0 - proptest::test_runner::runner::TestRunner::run_one_with_replay::hb41f22cb09267e4d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:473 [INFO] [stdout] 22: 0x5558f26af0db - proptest::test_runner::runner::TestRunner::gen_and_run_case::h2c3eab557e8e0298 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 23: 0x5558f26bc3e2 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h79a77111ffb7f83a [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 24: 0x5558f26ae24c - proptest::test_runner::runner::TestRunner::run_in_process::h9754c446f70ba2c7 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 25: 0x5558f26bfa8b - proptest::test_runner::runner::TestRunner::run::h3b1e70daa52c2dd0 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 26: 0x5558f26ededc - fcat::integration::cat_stdin::h452bd8e51792234a [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 27: 0x5558f26edcfa - fcat::integration::cat_stdin::{{closure}}::h2cba406e7d490932 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 28: 0x5558f26df91e - core::ops::function::FnOnce::call_once::h5263ef4efd5e8ccc [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 29: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 30: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 31: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 32: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 33: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 34: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 35: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 36: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 37: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 38: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 39: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 41: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 42: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 43: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 44: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 47: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 48: 0x7fd84f876d0f - __clone [INFO] [stdout] 49: 0x0 - [INFO] [stdout] thread 'integration::cat_stdin' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some(" Blocking waiting for file lock on package cache\nerror: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ee2fe - fcat::integration::cat_stdin::{{closure}}::h674c9c9d55ab45aa [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x5558f26ec5f2 - core::ops::function::impls:: for &F>::call::hf0320fe272f54e16 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26caa9f - proptest::test_runner::runner::call_test::{{closure}}::h8cd23604a2cbc77d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e43e8 - as core::ops::function::FnOnce<()>>::call_once::hb69bc1b4aebedbe2 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ebcab - std::panicking::try::do_call::h4715d0eb44e09dd4 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26eaf19 - std::panicking::try::h84a7fd78d7a87eff [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4a98 - std::panic::catch_unwind::h9a94e3e28197ce0e [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c9651 - proptest::test_runner::runner::call_test::hfadf180b4efa6423 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c03a4 - proptest::test_runner::runner::TestRunner::shrink::h335582ed4b4cdbb3 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b6189 - proptest::test_runner::runner::TestRunner::run_one_with_replay::hb41f22cb09267e4d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26af0db - proptest::test_runner::runner::TestRunner::gen_and_run_case::h2c3eab557e8e0298 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26bc3e2 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h79a77111ffb7f83a [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae24c - proptest::test_runner::runner::TestRunner::run_in_process::h9754c446f70ba2c7 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bfa8b - proptest::test_runner::runner::TestRunner::run::h3b1e70daa52c2dd0 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ededc - fcat::integration::cat_stdin::h452bd8e51792234a [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26edcfa - fcat::integration::cat_stdin::{{closure}}::h2cba406e7d490932 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26df91e - core::ops::function::FnOnce::call_once::h5263ef4efd5e8ccc [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_stdin' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ee2fe - fcat::integration::cat_stdin::{{closure}}::h674c9c9d55ab45aa [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x5558f26ec5f2 - core::ops::function::impls:: for &F>::call::hf0320fe272f54e16 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26caa9f - proptest::test_runner::runner::call_test::{{closure}}::h8cd23604a2cbc77d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e43e8 - as core::ops::function::FnOnce<()>>::call_once::hb69bc1b4aebedbe2 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ebcab - std::panicking::try::do_call::h4715d0eb44e09dd4 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26eaf19 - std::panicking::try::h84a7fd78d7a87eff [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4a98 - std::panic::catch_unwind::h9a94e3e28197ce0e [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c9651 - proptest::test_runner::runner::call_test::hfadf180b4efa6423 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c03a4 - proptest::test_runner::runner::TestRunner::shrink::h335582ed4b4cdbb3 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b6189 - proptest::test_runner::runner::TestRunner::run_one_with_replay::hb41f22cb09267e4d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26af0db - proptest::test_runner::runner::TestRunner::gen_and_run_case::h2c3eab557e8e0298 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26bc3e2 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h79a77111ffb7f83a [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae24c - proptest::test_runner::runner::TestRunner::run_in_process::h9754c446f70ba2c7 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bfa8b - proptest::test_runner::runner::TestRunner::run::h3b1e70daa52c2dd0 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ededc - fcat::integration::cat_stdin::h452bd8e51792234a [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26edcfa - fcat::integration::cat_stdin::{{closure}}::h2cba406e7d490932 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26df91e - core::ops::function::FnOnce::call_once::h5263ef4efd5e8ccc [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_stdin' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ee2fe - fcat::integration::cat_stdin::{{closure}}::h674c9c9d55ab45aa [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x5558f26ec5f2 - core::ops::function::impls:: for &F>::call::hf0320fe272f54e16 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26caa9f - proptest::test_runner::runner::call_test::{{closure}}::h8cd23604a2cbc77d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e43e8 - as core::ops::function::FnOnce<()>>::call_once::hb69bc1b4aebedbe2 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ebcab - std::panicking::try::do_call::h4715d0eb44e09dd4 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26eaf19 - std::panicking::try::h84a7fd78d7a87eff [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4a98 - std::panic::catch_unwind::h9a94e3e28197ce0e [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c9651 - proptest::test_runner::runner::call_test::hfadf180b4efa6423 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c03a4 - proptest::test_runner::runner::TestRunner::shrink::h335582ed4b4cdbb3 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b6189 - proptest::test_runner::runner::TestRunner::run_one_with_replay::hb41f22cb09267e4d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26af0db - proptest::test_runner::runner::TestRunner::gen_and_run_case::h2c3eab557e8e0298 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26bc3e2 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h79a77111ffb7f83a [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae24c - proptest::test_runner::runner::TestRunner::run_in_process::h9754c446f70ba2c7 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bfa8b - proptest::test_runner::runner::TestRunner::run::h3b1e70daa52c2dd0 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ededc - fcat::integration::cat_stdin::h452bd8e51792234a [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26edcfa - fcat::integration::cat_stdin::{{closure}}::h2cba406e7d490932 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26df91e - core::ops::function::FnOnce::call_once::h5263ef4efd5e8ccc [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_stdin' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some(" Blocking waiting for file lock on package cache\nerror: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ee2fe - fcat::integration::cat_stdin::{{closure}}::h674c9c9d55ab45aa [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x5558f26ec5f2 - core::ops::function::impls:: for &F>::call::hf0320fe272f54e16 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26caa9f - proptest::test_runner::runner::call_test::{{closure}}::h8cd23604a2cbc77d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e43e8 - as core::ops::function::FnOnce<()>>::call_once::hb69bc1b4aebedbe2 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ebcab - std::panicking::try::do_call::h4715d0eb44e09dd4 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26eaf19 - std::panicking::try::h84a7fd78d7a87eff [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4a98 - std::panic::catch_unwind::h9a94e3e28197ce0e [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c9651 - proptest::test_runner::runner::call_test::hfadf180b4efa6423 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c03a4 - proptest::test_runner::runner::TestRunner::shrink::h335582ed4b4cdbb3 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b6189 - proptest::test_runner::runner::TestRunner::run_one_with_replay::hb41f22cb09267e4d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26af0db - proptest::test_runner::runner::TestRunner::gen_and_run_case::h2c3eab557e8e0298 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26bc3e2 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h79a77111ffb7f83a [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae24c - proptest::test_runner::runner::TestRunner::run_in_process::h9754c446f70ba2c7 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bfa8b - proptest::test_runner::runner::TestRunner::run::h3b1e70daa52c2dd0 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ededc - fcat::integration::cat_stdin::h452bd8e51792234a [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26edcfa - fcat::integration::cat_stdin::{{closure}}::h2cba406e7d490932 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26df91e - core::ops::function::FnOnce::call_once::h5263ef4efd5e8ccc [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_stdin' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ee2fe - fcat::integration::cat_stdin::{{closure}}::h674c9c9d55ab45aa [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x5558f26ec5f2 - core::ops::function::impls:: for &F>::call::hf0320fe272f54e16 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26caa9f - proptest::test_runner::runner::call_test::{{closure}}::h8cd23604a2cbc77d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e43e8 - as core::ops::function::FnOnce<()>>::call_once::hb69bc1b4aebedbe2 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ebcab - std::panicking::try::do_call::h4715d0eb44e09dd4 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26eaf19 - std::panicking::try::h84a7fd78d7a87eff [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4a98 - std::panic::catch_unwind::h9a94e3e28197ce0e [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c9651 - proptest::test_runner::runner::call_test::hfadf180b4efa6423 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c03a4 - proptest::test_runner::runner::TestRunner::shrink::h335582ed4b4cdbb3 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b6189 - proptest::test_runner::runner::TestRunner::run_one_with_replay::hb41f22cb09267e4d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26af0db - proptest::test_runner::runner::TestRunner::gen_and_run_case::h2c3eab557e8e0298 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26bc3e2 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h79a77111ffb7f83a [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae24c - proptest::test_runner::runner::TestRunner::run_in_process::h9754c446f70ba2c7 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bfa8b - proptest::test_runner::runner::TestRunner::run::h3b1e70daa52c2dd0 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ededc - fcat::integration::cat_stdin::h452bd8e51792234a [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26edcfa - fcat::integration::cat_stdin::{{closure}}::h2cba406e7d490932 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26df91e - core::ops::function::FnOnce::call_once::h5263ef4efd5e8ccc [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_stdin' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ee2fe - fcat::integration::cat_stdin::{{closure}}::h674c9c9d55ab45aa [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x5558f26ec5f2 - core::ops::function::impls:: for &F>::call::hf0320fe272f54e16 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26caa9f - proptest::test_runner::runner::call_test::{{closure}}::h8cd23604a2cbc77d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e43e8 - as core::ops::function::FnOnce<()>>::call_once::hb69bc1b4aebedbe2 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ebcab - std::panicking::try::do_call::h4715d0eb44e09dd4 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26eaf19 - std::panicking::try::h84a7fd78d7a87eff [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4a98 - std::panic::catch_unwind::h9a94e3e28197ce0e [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c9651 - proptest::test_runner::runner::call_test::hfadf180b4efa6423 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c03a4 - proptest::test_runner::runner::TestRunner::shrink::h335582ed4b4cdbb3 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b6189 - proptest::test_runner::runner::TestRunner::run_one_with_replay::hb41f22cb09267e4d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26af0db - proptest::test_runner::runner::TestRunner::gen_and_run_case::h2c3eab557e8e0298 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26bc3e2 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h79a77111ffb7f83a [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae24c - proptest::test_runner::runner::TestRunner::run_in_process::h9754c446f70ba2c7 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bfa8b - proptest::test_runner::runner::TestRunner::run::h3b1e70daa52c2dd0 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ededc - fcat::integration::cat_stdin::h452bd8e51792234a [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26edcfa - fcat::integration::cat_stdin::{{closure}}::h2cba406e7d490932 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26df91e - core::ops::function::FnOnce::call_once::h5263ef4efd5e8ccc [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_stdin' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some(" Blocking waiting for file lock on package cache\nerror: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ee2fe - fcat::integration::cat_stdin::{{closure}}::h674c9c9d55ab45aa [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x5558f26ec5f2 - core::ops::function::impls:: for &F>::call::hf0320fe272f54e16 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26caa9f - proptest::test_runner::runner::call_test::{{closure}}::h8cd23604a2cbc77d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e43e8 - as core::ops::function::FnOnce<()>>::call_once::hb69bc1b4aebedbe2 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ebcab - std::panicking::try::do_call::h4715d0eb44e09dd4 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26eaf19 - std::panicking::try::h84a7fd78d7a87eff [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4a98 - std::panic::catch_unwind::h9a94e3e28197ce0e [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c9651 - proptest::test_runner::runner::call_test::hfadf180b4efa6423 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c03a4 - proptest::test_runner::runner::TestRunner::shrink::h335582ed4b4cdbb3 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b6189 - proptest::test_runner::runner::TestRunner::run_one_with_replay::hb41f22cb09267e4d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26af0db - proptest::test_runner::runner::TestRunner::gen_and_run_case::h2c3eab557e8e0298 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26bc3e2 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h79a77111ffb7f83a [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae24c - proptest::test_runner::runner::TestRunner::run_in_process::h9754c446f70ba2c7 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bfa8b - proptest::test_runner::runner::TestRunner::run::h3b1e70daa52c2dd0 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ededc - fcat::integration::cat_stdin::h452bd8e51792234a [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26edcfa - fcat::integration::cat_stdin::{{closure}}::h2cba406e7d490932 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26df91e - core::ops::function::FnOnce::call_once::h5263ef4efd5e8ccc [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_stdin' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ee2fe - fcat::integration::cat_stdin::{{closure}}::h674c9c9d55ab45aa [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x5558f26ec5f2 - core::ops::function::impls:: for &F>::call::hf0320fe272f54e16 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26caa9f - proptest::test_runner::runner::call_test::{{closure}}::h8cd23604a2cbc77d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e43e8 - as core::ops::function::FnOnce<()>>::call_once::hb69bc1b4aebedbe2 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ebcab - std::panicking::try::do_call::h4715d0eb44e09dd4 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26eaf19 - std::panicking::try::h84a7fd78d7a87eff [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4a98 - std::panic::catch_unwind::h9a94e3e28197ce0e [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c9651 - proptest::test_runner::runner::call_test::hfadf180b4efa6423 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c03a4 - proptest::test_runner::runner::TestRunner::shrink::h335582ed4b4cdbb3 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b6189 - proptest::test_runner::runner::TestRunner::run_one_with_replay::hb41f22cb09267e4d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26af0db - proptest::test_runner::runner::TestRunner::gen_and_run_case::h2c3eab557e8e0298 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26bc3e2 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h79a77111ffb7f83a [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae24c - proptest::test_runner::runner::TestRunner::run_in_process::h9754c446f70ba2c7 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bfa8b - proptest::test_runner::runner::TestRunner::run::h3b1e70daa52c2dd0 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ededc - fcat::integration::cat_stdin::h452bd8e51792234a [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26edcfa - fcat::integration::cat_stdin::{{closure}}::h2cba406e7d490932 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26df91e - core::ops::function::FnOnce::call_once::h5263ef4efd5e8ccc [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_stdin' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ee2fe - fcat::integration::cat_stdin::{{closure}}::h674c9c9d55ab45aa [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x5558f26ec5f2 - core::ops::function::impls:: for &F>::call::hf0320fe272f54e16 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26caa9f - proptest::test_runner::runner::call_test::{{closure}}::h8cd23604a2cbc77d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e43e8 - as core::ops::function::FnOnce<()>>::call_once::hb69bc1b4aebedbe2 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ebcab - std::panicking::try::do_call::h4715d0eb44e09dd4 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26eaf19 - std::panicking::try::h84a7fd78d7a87eff [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4a98 - std::panic::catch_unwind::h9a94e3e28197ce0e [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c9651 - proptest::test_runner::runner::call_test::hfadf180b4efa6423 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c03a4 - proptest::test_runner::runner::TestRunner::shrink::h335582ed4b4cdbb3 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b6189 - proptest::test_runner::runner::TestRunner::run_one_with_replay::hb41f22cb09267e4d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26af0db - proptest::test_runner::runner::TestRunner::gen_and_run_case::h2c3eab557e8e0298 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26bc3e2 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h79a77111ffb7f83a [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae24c - proptest::test_runner::runner::TestRunner::run_in_process::h9754c446f70ba2c7 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bfa8b - proptest::test_runner::runner::TestRunner::run::h3b1e70daa52c2dd0 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ededc - fcat::integration::cat_stdin::h452bd8e51792234a [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26edcfa - fcat::integration::cat_stdin::{{closure}}::h2cba406e7d490932 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26df91e - core::ops::function::FnOnce::call_once::h5263ef4efd5e8ccc [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_stdin' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ee2fe - fcat::integration::cat_stdin::{{closure}}::h674c9c9d55ab45aa [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x5558f26ec5f2 - core::ops::function::impls:: for &F>::call::hf0320fe272f54e16 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26caa9f - proptest::test_runner::runner::call_test::{{closure}}::h8cd23604a2cbc77d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e43e8 - as core::ops::function::FnOnce<()>>::call_once::hb69bc1b4aebedbe2 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ebcab - std::panicking::try::do_call::h4715d0eb44e09dd4 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26eaf19 - std::panicking::try::h84a7fd78d7a87eff [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4a98 - std::panic::catch_unwind::h9a94e3e28197ce0e [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c9651 - proptest::test_runner::runner::call_test::hfadf180b4efa6423 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c03a4 - proptest::test_runner::runner::TestRunner::shrink::h335582ed4b4cdbb3 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b6189 - proptest::test_runner::runner::TestRunner::run_one_with_replay::hb41f22cb09267e4d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26af0db - proptest::test_runner::runner::TestRunner::gen_and_run_case::h2c3eab557e8e0298 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26bc3e2 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h79a77111ffb7f83a [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae24c - proptest::test_runner::runner::TestRunner::run_in_process::h9754c446f70ba2c7 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bfa8b - proptest::test_runner::runner::TestRunner::run::h3b1e70daa52c2dd0 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ededc - fcat::integration::cat_stdin::h452bd8e51792234a [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26edcfa - fcat::integration::cat_stdin::{{closure}}::h2cba406e7d490932 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26df91e - core::ops::function::FnOnce::call_once::h5263ef4efd5e8ccc [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_stdin' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ee2fe - fcat::integration::cat_stdin::{{closure}}::h674c9c9d55ab45aa [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x5558f26ec5f2 - core::ops::function::impls:: for &F>::call::hf0320fe272f54e16 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26caa9f - proptest::test_runner::runner::call_test::{{closure}}::h8cd23604a2cbc77d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e43e8 - as core::ops::function::FnOnce<()>>::call_once::hb69bc1b4aebedbe2 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ebcab - std::panicking::try::do_call::h4715d0eb44e09dd4 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26eaf19 - std::panicking::try::h84a7fd78d7a87eff [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4a98 - std::panic::catch_unwind::h9a94e3e28197ce0e [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c9651 - proptest::test_runner::runner::call_test::hfadf180b4efa6423 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c03a4 - proptest::test_runner::runner::TestRunner::shrink::h335582ed4b4cdbb3 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b6189 - proptest::test_runner::runner::TestRunner::run_one_with_replay::hb41f22cb09267e4d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26af0db - proptest::test_runner::runner::TestRunner::gen_and_run_case::h2c3eab557e8e0298 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26bc3e2 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h79a77111ffb7f83a [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae24c - proptest::test_runner::runner::TestRunner::run_in_process::h9754c446f70ba2c7 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bfa8b - proptest::test_runner::runner::TestRunner::run::h3b1e70daa52c2dd0 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ededc - fcat::integration::cat_stdin::h452bd8e51792234a [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26edcfa - fcat::integration::cat_stdin::{{closure}}::h2cba406e7d490932 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26df91e - core::ops::function::FnOnce::call_once::h5263ef4efd5e8ccc [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_stdin' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ee2fe - fcat::integration::cat_stdin::{{closure}}::h674c9c9d55ab45aa [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x5558f26ec5f2 - core::ops::function::impls:: for &F>::call::hf0320fe272f54e16 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26caa9f - proptest::test_runner::runner::call_test::{{closure}}::h8cd23604a2cbc77d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e43e8 - as core::ops::function::FnOnce<()>>::call_once::hb69bc1b4aebedbe2 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ebcab - std::panicking::try::do_call::h4715d0eb44e09dd4 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26eaf19 - std::panicking::try::h84a7fd78d7a87eff [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4a98 - std::panic::catch_unwind::h9a94e3e28197ce0e [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c9651 - proptest::test_runner::runner::call_test::hfadf180b4efa6423 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c03a4 - proptest::test_runner::runner::TestRunner::shrink::h335582ed4b4cdbb3 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b6189 - proptest::test_runner::runner::TestRunner::run_one_with_replay::hb41f22cb09267e4d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26af0db - proptest::test_runner::runner::TestRunner::gen_and_run_case::h2c3eab557e8e0298 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26bc3e2 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h79a77111ffb7f83a [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae24c - proptest::test_runner::runner::TestRunner::run_in_process::h9754c446f70ba2c7 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bfa8b - proptest::test_runner::runner::TestRunner::run::h3b1e70daa52c2dd0 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ededc - fcat::integration::cat_stdin::h452bd8e51792234a [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26edcfa - fcat::integration::cat_stdin::{{closure}}::h2cba406e7d490932 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26df91e - core::ops::function::FnOnce::call_once::h5263ef4efd5e8ccc [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_stdin' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ee2fe - fcat::integration::cat_stdin::{{closure}}::h674c9c9d55ab45aa [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x5558f26ec5f2 - core::ops::function::impls:: for &F>::call::hf0320fe272f54e16 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26caa9f - proptest::test_runner::runner::call_test::{{closure}}::h8cd23604a2cbc77d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e43e8 - as core::ops::function::FnOnce<()>>::call_once::hb69bc1b4aebedbe2 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ebcab - std::panicking::try::do_call::h4715d0eb44e09dd4 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26eaf19 - std::panicking::try::h84a7fd78d7a87eff [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4a98 - std::panic::catch_unwind::h9a94e3e28197ce0e [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c9651 - proptest::test_runner::runner::call_test::hfadf180b4efa6423 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c03a4 - proptest::test_runner::runner::TestRunner::shrink::h335582ed4b4cdbb3 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b6189 - proptest::test_runner::runner::TestRunner::run_one_with_replay::hb41f22cb09267e4d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26af0db - proptest::test_runner::runner::TestRunner::gen_and_run_case::h2c3eab557e8e0298 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26bc3e2 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h79a77111ffb7f83a [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae24c - proptest::test_runner::runner::TestRunner::run_in_process::h9754c446f70ba2c7 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bfa8b - proptest::test_runner::runner::TestRunner::run::h3b1e70daa52c2dd0 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ededc - fcat::integration::cat_stdin::h452bd8e51792234a [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26edcfa - fcat::integration::cat_stdin::{{closure}}::h2cba406e7d490932 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26df91e - core::ops::function::FnOnce::call_once::h5263ef4efd5e8ccc [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_stdin' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ee2fe - fcat::integration::cat_stdin::{{closure}}::h674c9c9d55ab45aa [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x5558f26ec5f2 - core::ops::function::impls:: for &F>::call::hf0320fe272f54e16 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26caa9f - proptest::test_runner::runner::call_test::{{closure}}::h8cd23604a2cbc77d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e43e8 - as core::ops::function::FnOnce<()>>::call_once::hb69bc1b4aebedbe2 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ebcab - std::panicking::try::do_call::h4715d0eb44e09dd4 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26eaf19 - std::panicking::try::h84a7fd78d7a87eff [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4a98 - std::panic::catch_unwind::h9a94e3e28197ce0e [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c9651 - proptest::test_runner::runner::call_test::hfadf180b4efa6423 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c03a4 - proptest::test_runner::runner::TestRunner::shrink::h335582ed4b4cdbb3 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b6189 - proptest::test_runner::runner::TestRunner::run_one_with_replay::hb41f22cb09267e4d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26af0db - proptest::test_runner::runner::TestRunner::gen_and_run_case::h2c3eab557e8e0298 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26bc3e2 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h79a77111ffb7f83a [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae24c - proptest::test_runner::runner::TestRunner::run_in_process::h9754c446f70ba2c7 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bfa8b - proptest::test_runner::runner::TestRunner::run::h3b1e70daa52c2dd0 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ededc - fcat::integration::cat_stdin::h452bd8e51792234a [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26edcfa - fcat::integration::cat_stdin::{{closure}}::h2cba406e7d490932 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26df91e - core::ops::function::FnOnce::call_once::h5263ef4efd5e8ccc [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_stdin' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ee2fe - fcat::integration::cat_stdin::{{closure}}::h674c9c9d55ab45aa [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x5558f26ec5f2 - core::ops::function::impls:: for &F>::call::hf0320fe272f54e16 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26caa9f - proptest::test_runner::runner::call_test::{{closure}}::h8cd23604a2cbc77d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e43e8 - as core::ops::function::FnOnce<()>>::call_once::hb69bc1b4aebedbe2 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ebcab - std::panicking::try::do_call::h4715d0eb44e09dd4 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26eaf19 - std::panicking::try::h84a7fd78d7a87eff [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4a98 - std::panic::catch_unwind::h9a94e3e28197ce0e [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c9651 - proptest::test_runner::runner::call_test::hfadf180b4efa6423 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c03a4 - proptest::test_runner::runner::TestRunner::shrink::h335582ed4b4cdbb3 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b6189 - proptest::test_runner::runner::TestRunner::run_one_with_replay::hb41f22cb09267e4d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26af0db - proptest::test_runner::runner::TestRunner::gen_and_run_case::h2c3eab557e8e0298 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26bc3e2 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h79a77111ffb7f83a [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae24c - proptest::test_runner::runner::TestRunner::run_in_process::h9754c446f70ba2c7 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bfa8b - proptest::test_runner::runner::TestRunner::run::h3b1e70daa52c2dd0 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ededc - fcat::integration::cat_stdin::h452bd8e51792234a [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26edcfa - fcat::integration::cat_stdin::{{closure}}::h2cba406e7d490932 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26df91e - core::ops::function::FnOnce::call_once::h5263ef4efd5e8ccc [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_stdin' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ee2fe - fcat::integration::cat_stdin::{{closure}}::h674c9c9d55ab45aa [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x5558f26ec5f2 - core::ops::function::impls:: for &F>::call::hf0320fe272f54e16 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26caa9f - proptest::test_runner::runner::call_test::{{closure}}::h8cd23604a2cbc77d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e43e8 - as core::ops::function::FnOnce<()>>::call_once::hb69bc1b4aebedbe2 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ebcab - std::panicking::try::do_call::h4715d0eb44e09dd4 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26eaf19 - std::panicking::try::h84a7fd78d7a87eff [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4a98 - std::panic::catch_unwind::h9a94e3e28197ce0e [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c9651 - proptest::test_runner::runner::call_test::hfadf180b4efa6423 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c03a4 - proptest::test_runner::runner::TestRunner::shrink::h335582ed4b4cdbb3 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b6189 - proptest::test_runner::runner::TestRunner::run_one_with_replay::hb41f22cb09267e4d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26af0db - proptest::test_runner::runner::TestRunner::gen_and_run_case::h2c3eab557e8e0298 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26bc3e2 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h79a77111ffb7f83a [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae24c - proptest::test_runner::runner::TestRunner::run_in_process::h9754c446f70ba2c7 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bfa8b - proptest::test_runner::runner::TestRunner::run::h3b1e70daa52c2dd0 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ededc - fcat::integration::cat_stdin::h452bd8e51792234a [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26edcfa - fcat::integration::cat_stdin::{{closure}}::h2cba406e7d490932 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26df91e - core::ops::function::FnOnce::call_once::h5263ef4efd5e8ccc [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_stdin' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ee2fe - fcat::integration::cat_stdin::{{closure}}::h674c9c9d55ab45aa [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x5558f26ec5f2 - core::ops::function::impls:: for &F>::call::hf0320fe272f54e16 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26caa9f - proptest::test_runner::runner::call_test::{{closure}}::h8cd23604a2cbc77d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e43e8 - as core::ops::function::FnOnce<()>>::call_once::hb69bc1b4aebedbe2 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ebcab - std::panicking::try::do_call::h4715d0eb44e09dd4 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26eaf19 - std::panicking::try::h84a7fd78d7a87eff [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4a98 - std::panic::catch_unwind::h9a94e3e28197ce0e [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c9651 - proptest::test_runner::runner::call_test::hfadf180b4efa6423 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c03a4 - proptest::test_runner::runner::TestRunner::shrink::h335582ed4b4cdbb3 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b6189 - proptest::test_runner::runner::TestRunner::run_one_with_replay::hb41f22cb09267e4d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26af0db - proptest::test_runner::runner::TestRunner::gen_and_run_case::h2c3eab557e8e0298 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26bc3e2 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h79a77111ffb7f83a [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae24c - proptest::test_runner::runner::TestRunner::run_in_process::h9754c446f70ba2c7 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bfa8b - proptest::test_runner::runner::TestRunner::run::h3b1e70daa52c2dd0 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ededc - fcat::integration::cat_stdin::h452bd8e51792234a [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26edcfa - fcat::integration::cat_stdin::{{closure}}::h2cba406e7d490932 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26df91e - core::ops::function::FnOnce::call_once::h5263ef4efd5e8ccc [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_stdin' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ee2fe - fcat::integration::cat_stdin::{{closure}}::h674c9c9d55ab45aa [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x5558f26ec5f2 - core::ops::function::impls:: for &F>::call::hf0320fe272f54e16 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26caa9f - proptest::test_runner::runner::call_test::{{closure}}::h8cd23604a2cbc77d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e43e8 - as core::ops::function::FnOnce<()>>::call_once::hb69bc1b4aebedbe2 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ebcab - std::panicking::try::do_call::h4715d0eb44e09dd4 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26eaf19 - std::panicking::try::h84a7fd78d7a87eff [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4a98 - std::panic::catch_unwind::h9a94e3e28197ce0e [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c9651 - proptest::test_runner::runner::call_test::hfadf180b4efa6423 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c03a4 - proptest::test_runner::runner::TestRunner::shrink::h335582ed4b4cdbb3 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b6189 - proptest::test_runner::runner::TestRunner::run_one_with_replay::hb41f22cb09267e4d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26af0db - proptest::test_runner::runner::TestRunner::gen_and_run_case::h2c3eab557e8e0298 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26bc3e2 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h79a77111ffb7f83a [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae24c - proptest::test_runner::runner::TestRunner::run_in_process::h9754c446f70ba2c7 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bfa8b - proptest::test_runner::runner::TestRunner::run::h3b1e70daa52c2dd0 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ededc - fcat::integration::cat_stdin::h452bd8e51792234a [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26edcfa - fcat::integration::cat_stdin::{{closure}}::h2cba406e7d490932 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26df91e - core::ops::function::FnOnce::call_once::h5263ef4efd5e8ccc [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_stdin' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ee2fe - fcat::integration::cat_stdin::{{closure}}::h674c9c9d55ab45aa [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x5558f26ec5f2 - core::ops::function::impls:: for &F>::call::hf0320fe272f54e16 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26caa9f - proptest::test_runner::runner::call_test::{{closure}}::h8cd23604a2cbc77d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e43e8 - as core::ops::function::FnOnce<()>>::call_once::hb69bc1b4aebedbe2 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ebcab - std::panicking::try::do_call::h4715d0eb44e09dd4 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26eaf19 - std::panicking::try::h84a7fd78d7a87eff [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4a98 - std::panic::catch_unwind::h9a94e3e28197ce0e [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c9651 - proptest::test_runner::runner::call_test::hfadf180b4efa6423 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c03a4 - proptest::test_runner::runner::TestRunner::shrink::h335582ed4b4cdbb3 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b6189 - proptest::test_runner::runner::TestRunner::run_one_with_replay::hb41f22cb09267e4d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26af0db - proptest::test_runner::runner::TestRunner::gen_and_run_case::h2c3eab557e8e0298 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26bc3e2 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h79a77111ffb7f83a [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae24c - proptest::test_runner::runner::TestRunner::run_in_process::h9754c446f70ba2c7 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bfa8b - proptest::test_runner::runner::TestRunner::run::h3b1e70daa52c2dd0 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ededc - fcat::integration::cat_stdin::h452bd8e51792234a [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26edcfa - fcat::integration::cat_stdin::{{closure}}::h2cba406e7d490932 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26df91e - core::ops::function::FnOnce::call_once::h5263ef4efd5e8ccc [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_stdin' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ee2fe - fcat::integration::cat_stdin::{{closure}}::h674c9c9d55ab45aa [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x5558f26ec5f2 - core::ops::function::impls:: for &F>::call::hf0320fe272f54e16 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26caa9f - proptest::test_runner::runner::call_test::{{closure}}::h8cd23604a2cbc77d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e43e8 - as core::ops::function::FnOnce<()>>::call_once::hb69bc1b4aebedbe2 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ebcab - std::panicking::try::do_call::h4715d0eb44e09dd4 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26eaf19 - std::panicking::try::h84a7fd78d7a87eff [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4a98 - std::panic::catch_unwind::h9a94e3e28197ce0e [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c9651 - proptest::test_runner::runner::call_test::hfadf180b4efa6423 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c03a4 - proptest::test_runner::runner::TestRunner::shrink::h335582ed4b4cdbb3 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b6189 - proptest::test_runner::runner::TestRunner::run_one_with_replay::hb41f22cb09267e4d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26af0db - proptest::test_runner::runner::TestRunner::gen_and_run_case::h2c3eab557e8e0298 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26bc3e2 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h79a77111ffb7f83a [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae24c - proptest::test_runner::runner::TestRunner::run_in_process::h9754c446f70ba2c7 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bfa8b - proptest::test_runner::runner::TestRunner::run::h3b1e70daa52c2dd0 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ededc - fcat::integration::cat_stdin::h452bd8e51792234a [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26edcfa - fcat::integration::cat_stdin::{{closure}}::h2cba406e7d490932 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26df91e - core::ops::function::FnOnce::call_once::h5263ef4efd5e8ccc [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_stdin' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ee2fe - fcat::integration::cat_stdin::{{closure}}::h674c9c9d55ab45aa [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x5558f26ec5f2 - core::ops::function::impls:: for &F>::call::hf0320fe272f54e16 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26caa9f - proptest::test_runner::runner::call_test::{{closure}}::h8cd23604a2cbc77d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e43e8 - as core::ops::function::FnOnce<()>>::call_once::hb69bc1b4aebedbe2 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ebcab - std::panicking::try::do_call::h4715d0eb44e09dd4 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26eaf19 - std::panicking::try::h84a7fd78d7a87eff [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4a98 - std::panic::catch_unwind::h9a94e3e28197ce0e [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c9651 - proptest::test_runner::runner::call_test::hfadf180b4efa6423 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c03a4 - proptest::test_runner::runner::TestRunner::shrink::h335582ed4b4cdbb3 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b6189 - proptest::test_runner::runner::TestRunner::run_one_with_replay::hb41f22cb09267e4d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26af0db - proptest::test_runner::runner::TestRunner::gen_and_run_case::h2c3eab557e8e0298 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26bc3e2 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h79a77111ffb7f83a [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae24c - proptest::test_runner::runner::TestRunner::run_in_process::h9754c446f70ba2c7 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bfa8b - proptest::test_runner::runner::TestRunner::run::h3b1e70daa52c2dd0 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ededc - fcat::integration::cat_stdin::h452bd8e51792234a [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26edcfa - fcat::integration::cat_stdin::{{closure}}::h2cba406e7d490932 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26df91e - core::ops::function::FnOnce::call_once::h5263ef4efd5e8ccc [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_stdin' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ee2fe - fcat::integration::cat_stdin::{{closure}}::h674c9c9d55ab45aa [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x5558f26ec5f2 - core::ops::function::impls:: for &F>::call::hf0320fe272f54e16 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26caa9f - proptest::test_runner::runner::call_test::{{closure}}::h8cd23604a2cbc77d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e43e8 - as core::ops::function::FnOnce<()>>::call_once::hb69bc1b4aebedbe2 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ebcab - std::panicking::try::do_call::h4715d0eb44e09dd4 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26eaf19 - std::panicking::try::h84a7fd78d7a87eff [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4a98 - std::panic::catch_unwind::h9a94e3e28197ce0e [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c9651 - proptest::test_runner::runner::call_test::hfadf180b4efa6423 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c03a4 - proptest::test_runner::runner::TestRunner::shrink::h335582ed4b4cdbb3 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b6189 - proptest::test_runner::runner::TestRunner::run_one_with_replay::hb41f22cb09267e4d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26af0db - proptest::test_runner::runner::TestRunner::gen_and_run_case::h2c3eab557e8e0298 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26bc3e2 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h79a77111ffb7f83a [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae24c - proptest::test_runner::runner::TestRunner::run_in_process::h9754c446f70ba2c7 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bfa8b - proptest::test_runner::runner::TestRunner::run::h3b1e70daa52c2dd0 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ededc - fcat::integration::cat_stdin::h452bd8e51792234a [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26edcfa - fcat::integration::cat_stdin::{{closure}}::h2cba406e7d490932 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26df91e - core::ops::function::FnOnce::call_once::h5263ef4efd5e8ccc [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_stdin' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ee2fe - fcat::integration::cat_stdin::{{closure}}::h674c9c9d55ab45aa [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x5558f26ec5f2 - core::ops::function::impls:: for &F>::call::hf0320fe272f54e16 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26caa9f - proptest::test_runner::runner::call_test::{{closure}}::h8cd23604a2cbc77d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e43e8 - as core::ops::function::FnOnce<()>>::call_once::hb69bc1b4aebedbe2 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ebcab - std::panicking::try::do_call::h4715d0eb44e09dd4 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26eaf19 - std::panicking::try::h84a7fd78d7a87eff [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4a98 - std::panic::catch_unwind::h9a94e3e28197ce0e [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c9651 - proptest::test_runner::runner::call_test::hfadf180b4efa6423 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c03a4 - proptest::test_runner::runner::TestRunner::shrink::h335582ed4b4cdbb3 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b6189 - proptest::test_runner::runner::TestRunner::run_one_with_replay::hb41f22cb09267e4d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26af0db - proptest::test_runner::runner::TestRunner::gen_and_run_case::h2c3eab557e8e0298 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26bc3e2 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h79a77111ffb7f83a [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae24c - proptest::test_runner::runner::TestRunner::run_in_process::h9754c446f70ba2c7 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bfa8b - proptest::test_runner::runner::TestRunner::run::h3b1e70daa52c2dd0 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ededc - fcat::integration::cat_stdin::h452bd8e51792234a [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26edcfa - fcat::integration::cat_stdin::{{closure}}::h2cba406e7d490932 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26df91e - core::ops::function::FnOnce::call_once::h5263ef4efd5e8ccc [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_stdin' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ee2fe - fcat::integration::cat_stdin::{{closure}}::h674c9c9d55ab45aa [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x5558f26ec5f2 - core::ops::function::impls:: for &F>::call::hf0320fe272f54e16 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26caa9f - proptest::test_runner::runner::call_test::{{closure}}::h8cd23604a2cbc77d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e43e8 - as core::ops::function::FnOnce<()>>::call_once::hb69bc1b4aebedbe2 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ebcab - std::panicking::try::do_call::h4715d0eb44e09dd4 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26eaf19 - std::panicking::try::h84a7fd78d7a87eff [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4a98 - std::panic::catch_unwind::h9a94e3e28197ce0e [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c9651 - proptest::test_runner::runner::call_test::hfadf180b4efa6423 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c03a4 - proptest::test_runner::runner::TestRunner::shrink::h335582ed4b4cdbb3 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b6189 - proptest::test_runner::runner::TestRunner::run_one_with_replay::hb41f22cb09267e4d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26af0db - proptest::test_runner::runner::TestRunner::gen_and_run_case::h2c3eab557e8e0298 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26bc3e2 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h79a77111ffb7f83a [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae24c - proptest::test_runner::runner::TestRunner::run_in_process::h9754c446f70ba2c7 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bfa8b - proptest::test_runner::runner::TestRunner::run::h3b1e70daa52c2dd0 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ededc - fcat::integration::cat_stdin::h452bd8e51792234a [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26edcfa - fcat::integration::cat_stdin::{{closure}}::h2cba406e7d490932 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26df91e - core::ops::function::FnOnce::call_once::h5263ef4efd5e8ccc [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_stdin' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ee2fe - fcat::integration::cat_stdin::{{closure}}::h674c9c9d55ab45aa [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x5558f26ec5f2 - core::ops::function::impls:: for &F>::call::hf0320fe272f54e16 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26caa9f - proptest::test_runner::runner::call_test::{{closure}}::h8cd23604a2cbc77d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e43e8 - as core::ops::function::FnOnce<()>>::call_once::hb69bc1b4aebedbe2 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ebcab - std::panicking::try::do_call::h4715d0eb44e09dd4 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26eaf19 - std::panicking::try::h84a7fd78d7a87eff [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4a98 - std::panic::catch_unwind::h9a94e3e28197ce0e [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c9651 - proptest::test_runner::runner::call_test::hfadf180b4efa6423 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c03a4 - proptest::test_runner::runner::TestRunner::shrink::h335582ed4b4cdbb3 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b6189 - proptest::test_runner::runner::TestRunner::run_one_with_replay::hb41f22cb09267e4d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26af0db - proptest::test_runner::runner::TestRunner::gen_and_run_case::h2c3eab557e8e0298 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26bc3e2 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h79a77111ffb7f83a [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae24c - proptest::test_runner::runner::TestRunner::run_in_process::h9754c446f70ba2c7 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bfa8b - proptest::test_runner::runner::TestRunner::run::h3b1e70daa52c2dd0 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ededc - fcat::integration::cat_stdin::h452bd8e51792234a [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26edcfa - fcat::integration::cat_stdin::{{closure}}::h2cba406e7d490932 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26df91e - core::ops::function::FnOnce::call_once::h5263ef4efd5e8ccc [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_stdin' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ee2fe - fcat::integration::cat_stdin::{{closure}}::h674c9c9d55ab45aa [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x5558f26ec5f2 - core::ops::function::impls:: for &F>::call::hf0320fe272f54e16 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26caa9f - proptest::test_runner::runner::call_test::{{closure}}::h8cd23604a2cbc77d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e43e8 - as core::ops::function::FnOnce<()>>::call_once::hb69bc1b4aebedbe2 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ebcab - std::panicking::try::do_call::h4715d0eb44e09dd4 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26eaf19 - std::panicking::try::h84a7fd78d7a87eff [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4a98 - std::panic::catch_unwind::h9a94e3e28197ce0e [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c9651 - proptest::test_runner::runner::call_test::hfadf180b4efa6423 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c03a4 - proptest::test_runner::runner::TestRunner::shrink::h335582ed4b4cdbb3 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b6189 - proptest::test_runner::runner::TestRunner::run_one_with_replay::hb41f22cb09267e4d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26af0db - proptest::test_runner::runner::TestRunner::gen_and_run_case::h2c3eab557e8e0298 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26bc3e2 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h79a77111ffb7f83a [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae24c - proptest::test_runner::runner::TestRunner::run_in_process::h9754c446f70ba2c7 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bfa8b - proptest::test_runner::runner::TestRunner::run::h3b1e70daa52c2dd0 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ededc - fcat::integration::cat_stdin::h452bd8e51792234a [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26edcfa - fcat::integration::cat_stdin::{{closure}}::h2cba406e7d490932 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26df91e - core::ops::function::FnOnce::call_once::h5263ef4efd5e8ccc [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_stdin' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ee2fe - fcat::integration::cat_stdin::{{closure}}::h674c9c9d55ab45aa [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x5558f26ec5f2 - core::ops::function::impls:: for &F>::call::hf0320fe272f54e16 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26caa9f - proptest::test_runner::runner::call_test::{{closure}}::h8cd23604a2cbc77d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e43e8 - as core::ops::function::FnOnce<()>>::call_once::hb69bc1b4aebedbe2 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ebcab - std::panicking::try::do_call::h4715d0eb44e09dd4 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26eaf19 - std::panicking::try::h84a7fd78d7a87eff [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4a98 - std::panic::catch_unwind::h9a94e3e28197ce0e [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c9651 - proptest::test_runner::runner::call_test::hfadf180b4efa6423 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c03a4 - proptest::test_runner::runner::TestRunner::shrink::h335582ed4b4cdbb3 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b6189 - proptest::test_runner::runner::TestRunner::run_one_with_replay::hb41f22cb09267e4d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26af0db - proptest::test_runner::runner::TestRunner::gen_and_run_case::h2c3eab557e8e0298 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26bc3e2 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h79a77111ffb7f83a [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae24c - proptest::test_runner::runner::TestRunner::run_in_process::h9754c446f70ba2c7 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bfa8b - proptest::test_runner::runner::TestRunner::run::h3b1e70daa52c2dd0 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ededc - fcat::integration::cat_stdin::h452bd8e51792234a [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26edcfa - fcat::integration::cat_stdin::{{closure}}::h2cba406e7d490932 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26df91e - core::ops::function::FnOnce::call_once::h5263ef4efd5e8ccc [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_stdin' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ee2fe - fcat::integration::cat_stdin::{{closure}}::h674c9c9d55ab45aa [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x5558f26ec5f2 - core::ops::function::impls:: for &F>::call::hf0320fe272f54e16 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26caa9f - proptest::test_runner::runner::call_test::{{closure}}::h8cd23604a2cbc77d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e43e8 - as core::ops::function::FnOnce<()>>::call_once::hb69bc1b4aebedbe2 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ebcab - std::panicking::try::do_call::h4715d0eb44e09dd4 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26eaf19 - std::panicking::try::h84a7fd78d7a87eff [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4a98 - std::panic::catch_unwind::h9a94e3e28197ce0e [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c9651 - proptest::test_runner::runner::call_test::hfadf180b4efa6423 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c03a4 - proptest::test_runner::runner::TestRunner::shrink::h335582ed4b4cdbb3 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b6189 - proptest::test_runner::runner::TestRunner::run_one_with_replay::hb41f22cb09267e4d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26af0db - proptest::test_runner::runner::TestRunner::gen_and_run_case::h2c3eab557e8e0298 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26bc3e2 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h79a77111ffb7f83a [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae24c - proptest::test_runner::runner::TestRunner::run_in_process::h9754c446f70ba2c7 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bfa8b - proptest::test_runner::runner::TestRunner::run::h3b1e70daa52c2dd0 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ededc - fcat::integration::cat_stdin::h452bd8e51792234a [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26edcfa - fcat::integration::cat_stdin::{{closure}}::h2cba406e7d490932 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26df91e - core::ops::function::FnOnce::call_once::h5263ef4efd5e8ccc [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_stdin' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ee2fe - fcat::integration::cat_stdin::{{closure}}::h674c9c9d55ab45aa [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x5558f26ec5f2 - core::ops::function::impls:: for &F>::call::hf0320fe272f54e16 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26caa9f - proptest::test_runner::runner::call_test::{{closure}}::h8cd23604a2cbc77d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e43e8 - as core::ops::function::FnOnce<()>>::call_once::hb69bc1b4aebedbe2 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ebcab - std::panicking::try::do_call::h4715d0eb44e09dd4 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26eaf19 - std::panicking::try::h84a7fd78d7a87eff [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4a98 - std::panic::catch_unwind::h9a94e3e28197ce0e [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c9651 - proptest::test_runner::runner::call_test::hfadf180b4efa6423 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c03a4 - proptest::test_runner::runner::TestRunner::shrink::h335582ed4b4cdbb3 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b6189 - proptest::test_runner::runner::TestRunner::run_one_with_replay::hb41f22cb09267e4d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26af0db - proptest::test_runner::runner::TestRunner::gen_and_run_case::h2c3eab557e8e0298 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26bc3e2 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h79a77111ffb7f83a [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae24c - proptest::test_runner::runner::TestRunner::run_in_process::h9754c446f70ba2c7 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bfa8b - proptest::test_runner::runner::TestRunner::run::h3b1e70daa52c2dd0 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ededc - fcat::integration::cat_stdin::h452bd8e51792234a [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26edcfa - fcat::integration::cat_stdin::{{closure}}::h2cba406e7d490932 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26df91e - core::ops::function::FnOnce::call_once::h5263ef4efd5e8ccc [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_stdin' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ee2fe - fcat::integration::cat_stdin::{{closure}}::h674c9c9d55ab45aa [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x5558f26ec5f2 - core::ops::function::impls:: for &F>::call::hf0320fe272f54e16 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26caa9f - proptest::test_runner::runner::call_test::{{closure}}::h8cd23604a2cbc77d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e43e8 - as core::ops::function::FnOnce<()>>::call_once::hb69bc1b4aebedbe2 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ebcab - std::panicking::try::do_call::h4715d0eb44e09dd4 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26eaf19 - std::panicking::try::h84a7fd78d7a87eff [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4a98 - std::panic::catch_unwind::h9a94e3e28197ce0e [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c9651 - proptest::test_runner::runner::call_test::hfadf180b4efa6423 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c03a4 - proptest::test_runner::runner::TestRunner::shrink::h335582ed4b4cdbb3 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b6189 - proptest::test_runner::runner::TestRunner::run_one_with_replay::hb41f22cb09267e4d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26af0db - proptest::test_runner::runner::TestRunner::gen_and_run_case::h2c3eab557e8e0298 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26bc3e2 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h79a77111ffb7f83a [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae24c - proptest::test_runner::runner::TestRunner::run_in_process::h9754c446f70ba2c7 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bfa8b - proptest::test_runner::runner::TestRunner::run::h3b1e70daa52c2dd0 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ededc - fcat::integration::cat_stdin::h452bd8e51792234a [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26edcfa - fcat::integration::cat_stdin::{{closure}}::h2cba406e7d490932 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26df91e - core::ops::function::FnOnce::call_once::h5263ef4efd5e8ccc [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_stdin' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ee2fe - fcat::integration::cat_stdin::{{closure}}::h674c9c9d55ab45aa [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x5558f26ec5f2 - core::ops::function::impls:: for &F>::call::hf0320fe272f54e16 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26caa9f - proptest::test_runner::runner::call_test::{{closure}}::h8cd23604a2cbc77d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e43e8 - as core::ops::function::FnOnce<()>>::call_once::hb69bc1b4aebedbe2 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ebcab - std::panicking::try::do_call::h4715d0eb44e09dd4 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26eaf19 - std::panicking::try::h84a7fd78d7a87eff [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4a98 - std::panic::catch_unwind::h9a94e3e28197ce0e [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c9651 - proptest::test_runner::runner::call_test::hfadf180b4efa6423 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c03a4 - proptest::test_runner::runner::TestRunner::shrink::h335582ed4b4cdbb3 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b6189 - proptest::test_runner::runner::TestRunner::run_one_with_replay::hb41f22cb09267e4d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26af0db - proptest::test_runner::runner::TestRunner::gen_and_run_case::h2c3eab557e8e0298 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26bc3e2 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h79a77111ffb7f83a [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae24c - proptest::test_runner::runner::TestRunner::run_in_process::h9754c446f70ba2c7 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bfa8b - proptest::test_runner::runner::TestRunner::run::h3b1e70daa52c2dd0 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ededc - fcat::integration::cat_stdin::h452bd8e51792234a [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26edcfa - fcat::integration::cat_stdin::{{closure}}::h2cba406e7d490932 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26df91e - core::ops::function::FnOnce::call_once::h5263ef4efd5e8ccc [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_stdin' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ee2fe - fcat::integration::cat_stdin::{{closure}}::h674c9c9d55ab45aa [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x5558f26ec5f2 - core::ops::function::impls:: for &F>::call::hf0320fe272f54e16 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26caa9f - proptest::test_runner::runner::call_test::{{closure}}::h8cd23604a2cbc77d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e43e8 - as core::ops::function::FnOnce<()>>::call_once::hb69bc1b4aebedbe2 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ebcab - std::panicking::try::do_call::h4715d0eb44e09dd4 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26eaf19 - std::panicking::try::h84a7fd78d7a87eff [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4a98 - std::panic::catch_unwind::h9a94e3e28197ce0e [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c9651 - proptest::test_runner::runner::call_test::hfadf180b4efa6423 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c03a4 - proptest::test_runner::runner::TestRunner::shrink::h335582ed4b4cdbb3 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b6189 - proptest::test_runner::runner::TestRunner::run_one_with_replay::hb41f22cb09267e4d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26af0db - proptest::test_runner::runner::TestRunner::gen_and_run_case::h2c3eab557e8e0298 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26bc3e2 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h79a77111ffb7f83a [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae24c - proptest::test_runner::runner::TestRunner::run_in_process::h9754c446f70ba2c7 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bfa8b - proptest::test_runner::runner::TestRunner::run::h3b1e70daa52c2dd0 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ededc - fcat::integration::cat_stdin::h452bd8e51792234a [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26edcfa - fcat::integration::cat_stdin::{{closure}}::h2cba406e7d490932 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26df91e - core::ops::function::FnOnce::call_once::h5263ef4efd5e8ccc [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_stdin' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ee2fe - fcat::integration::cat_stdin::{{closure}}::h674c9c9d55ab45aa [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x5558f26ec5f2 - core::ops::function::impls:: for &F>::call::hf0320fe272f54e16 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26caa9f - proptest::test_runner::runner::call_test::{{closure}}::h8cd23604a2cbc77d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e43e8 - as core::ops::function::FnOnce<()>>::call_once::hb69bc1b4aebedbe2 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ebcab - std::panicking::try::do_call::h4715d0eb44e09dd4 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26eaf19 - std::panicking::try::h84a7fd78d7a87eff [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4a98 - std::panic::catch_unwind::h9a94e3e28197ce0e [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c9651 - proptest::test_runner::runner::call_test::hfadf180b4efa6423 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c03a4 - proptest::test_runner::runner::TestRunner::shrink::h335582ed4b4cdbb3 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b6189 - proptest::test_runner::runner::TestRunner::run_one_with_replay::hb41f22cb09267e4d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26af0db - proptest::test_runner::runner::TestRunner::gen_and_run_case::h2c3eab557e8e0298 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26bc3e2 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h79a77111ffb7f83a [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae24c - proptest::test_runner::runner::TestRunner::run_in_process::h9754c446f70ba2c7 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bfa8b - proptest::test_runner::runner::TestRunner::run::h3b1e70daa52c2dd0 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ededc - fcat::integration::cat_stdin::h452bd8e51792234a [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26edcfa - fcat::integration::cat_stdin::{{closure}}::h2cba406e7d490932 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26df91e - core::ops::function::FnOnce::call_once::h5263ef4efd5e8ccc [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_stdin' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ee2fe - fcat::integration::cat_stdin::{{closure}}::h674c9c9d55ab45aa [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x5558f26ec5f2 - core::ops::function::impls:: for &F>::call::hf0320fe272f54e16 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26caa9f - proptest::test_runner::runner::call_test::{{closure}}::h8cd23604a2cbc77d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e43e8 - as core::ops::function::FnOnce<()>>::call_once::hb69bc1b4aebedbe2 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ebcab - std::panicking::try::do_call::h4715d0eb44e09dd4 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26eaf19 - std::panicking::try::h84a7fd78d7a87eff [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4a98 - std::panic::catch_unwind::h9a94e3e28197ce0e [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c9651 - proptest::test_runner::runner::call_test::hfadf180b4efa6423 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c03a4 - proptest::test_runner::runner::TestRunner::shrink::h335582ed4b4cdbb3 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b6189 - proptest::test_runner::runner::TestRunner::run_one_with_replay::hb41f22cb09267e4d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26af0db - proptest::test_runner::runner::TestRunner::gen_and_run_case::h2c3eab557e8e0298 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26bc3e2 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h79a77111ffb7f83a [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae24c - proptest::test_runner::runner::TestRunner::run_in_process::h9754c446f70ba2c7 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bfa8b - proptest::test_runner::runner::TestRunner::run::h3b1e70daa52c2dd0 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ededc - fcat::integration::cat_stdin::h452bd8e51792234a [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26edcfa - fcat::integration::cat_stdin::{{closure}}::h2cba406e7d490932 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26df91e - core::ops::function::FnOnce::call_once::h5263ef4efd5e8ccc [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_stdin' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ee2fe - fcat::integration::cat_stdin::{{closure}}::h674c9c9d55ab45aa [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x5558f26ec5f2 - core::ops::function::impls:: for &F>::call::hf0320fe272f54e16 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26caa9f - proptest::test_runner::runner::call_test::{{closure}}::h8cd23604a2cbc77d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e43e8 - as core::ops::function::FnOnce<()>>::call_once::hb69bc1b4aebedbe2 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ebcab - std::panicking::try::do_call::h4715d0eb44e09dd4 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26eaf19 - std::panicking::try::h84a7fd78d7a87eff [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4a98 - std::panic::catch_unwind::h9a94e3e28197ce0e [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c9651 - proptest::test_runner::runner::call_test::hfadf180b4efa6423 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c03a4 - proptest::test_runner::runner::TestRunner::shrink::h335582ed4b4cdbb3 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b6189 - proptest::test_runner::runner::TestRunner::run_one_with_replay::hb41f22cb09267e4d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26af0db - proptest::test_runner::runner::TestRunner::gen_and_run_case::h2c3eab557e8e0298 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26bc3e2 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h79a77111ffb7f83a [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae24c - proptest::test_runner::runner::TestRunner::run_in_process::h9754c446f70ba2c7 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bfa8b - proptest::test_runner::runner::TestRunner::run::h3b1e70daa52c2dd0 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ededc - fcat::integration::cat_stdin::h452bd8e51792234a [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26edcfa - fcat::integration::cat_stdin::{{closure}}::h2cba406e7d490932 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26df91e - core::ops::function::FnOnce::call_once::h5263ef4efd5e8ccc [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_stdin' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ee2fe - fcat::integration::cat_stdin::{{closure}}::h674c9c9d55ab45aa [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x5558f26ec5f2 - core::ops::function::impls:: for &F>::call::hf0320fe272f54e16 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26caa9f - proptest::test_runner::runner::call_test::{{closure}}::h8cd23604a2cbc77d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e43e8 - as core::ops::function::FnOnce<()>>::call_once::hb69bc1b4aebedbe2 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ebcab - std::panicking::try::do_call::h4715d0eb44e09dd4 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26eaf19 - std::panicking::try::h84a7fd78d7a87eff [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4a98 - std::panic::catch_unwind::h9a94e3e28197ce0e [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c9651 - proptest::test_runner::runner::call_test::hfadf180b4efa6423 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c03a4 - proptest::test_runner::runner::TestRunner::shrink::h335582ed4b4cdbb3 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b6189 - proptest::test_runner::runner::TestRunner::run_one_with_replay::hb41f22cb09267e4d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26af0db - proptest::test_runner::runner::TestRunner::gen_and_run_case::h2c3eab557e8e0298 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26bc3e2 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h79a77111ffb7f83a [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae24c - proptest::test_runner::runner::TestRunner::run_in_process::h9754c446f70ba2c7 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bfa8b - proptest::test_runner::runner::TestRunner::run::h3b1e70daa52c2dd0 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ededc - fcat::integration::cat_stdin::h452bd8e51792234a [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26edcfa - fcat::integration::cat_stdin::{{closure}}::h2cba406e7d490932 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26df91e - core::ops::function::FnOnce::call_once::h5263ef4efd5e8ccc [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_stdin' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ee2fe - fcat::integration::cat_stdin::{{closure}}::h674c9c9d55ab45aa [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x5558f26ec5f2 - core::ops::function::impls:: for &F>::call::hf0320fe272f54e16 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26caa9f - proptest::test_runner::runner::call_test::{{closure}}::h8cd23604a2cbc77d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e43e8 - as core::ops::function::FnOnce<()>>::call_once::hb69bc1b4aebedbe2 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ebcab - std::panicking::try::do_call::h4715d0eb44e09dd4 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26eaf19 - std::panicking::try::h84a7fd78d7a87eff [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4a98 - std::panic::catch_unwind::h9a94e3e28197ce0e [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c9651 - proptest::test_runner::runner::call_test::hfadf180b4efa6423 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c03a4 - proptest::test_runner::runner::TestRunner::shrink::h335582ed4b4cdbb3 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b6189 - proptest::test_runner::runner::TestRunner::run_one_with_replay::hb41f22cb09267e4d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26af0db - proptest::test_runner::runner::TestRunner::gen_and_run_case::h2c3eab557e8e0298 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26bc3e2 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h79a77111ffb7f83a [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae24c - proptest::test_runner::runner::TestRunner::run_in_process::h9754c446f70ba2c7 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bfa8b - proptest::test_runner::runner::TestRunner::run::h3b1e70daa52c2dd0 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ededc - fcat::integration::cat_stdin::h452bd8e51792234a [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26edcfa - fcat::integration::cat_stdin::{{closure}}::h2cba406e7d490932 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26df91e - core::ops::function::FnOnce::call_once::h5263ef4efd5e8ccc [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_stdin' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ee2fe - fcat::integration::cat_stdin::{{closure}}::h674c9c9d55ab45aa [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x5558f26ec5f2 - core::ops::function::impls:: for &F>::call::hf0320fe272f54e16 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26caa9f - proptest::test_runner::runner::call_test::{{closure}}::h8cd23604a2cbc77d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e43e8 - as core::ops::function::FnOnce<()>>::call_once::hb69bc1b4aebedbe2 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ebcab - std::panicking::try::do_call::h4715d0eb44e09dd4 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26eaf19 - std::panicking::try::h84a7fd78d7a87eff [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4a98 - std::panic::catch_unwind::h9a94e3e28197ce0e [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c9651 - proptest::test_runner::runner::call_test::hfadf180b4efa6423 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c03a4 - proptest::test_runner::runner::TestRunner::shrink::h335582ed4b4cdbb3 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b6189 - proptest::test_runner::runner::TestRunner::run_one_with_replay::hb41f22cb09267e4d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26af0db - proptest::test_runner::runner::TestRunner::gen_and_run_case::h2c3eab557e8e0298 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26bc3e2 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h79a77111ffb7f83a [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae24c - proptest::test_runner::runner::TestRunner::run_in_process::h9754c446f70ba2c7 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bfa8b - proptest::test_runner::runner::TestRunner::run::h3b1e70daa52c2dd0 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ededc - fcat::integration::cat_stdin::h452bd8e51792234a [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26edcfa - fcat::integration::cat_stdin::{{closure}}::h2cba406e7d490932 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26df91e - core::ops::function::FnOnce::call_once::h5263ef4efd5e8ccc [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_stdin' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ee2fe - fcat::integration::cat_stdin::{{closure}}::h674c9c9d55ab45aa [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x5558f26ec5f2 - core::ops::function::impls:: for &F>::call::hf0320fe272f54e16 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26caa9f - proptest::test_runner::runner::call_test::{{closure}}::h8cd23604a2cbc77d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e43e8 - as core::ops::function::FnOnce<()>>::call_once::hb69bc1b4aebedbe2 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ebcab - std::panicking::try::do_call::h4715d0eb44e09dd4 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26eaf19 - std::panicking::try::h84a7fd78d7a87eff [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4a98 - std::panic::catch_unwind::h9a94e3e28197ce0e [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c9651 - proptest::test_runner::runner::call_test::hfadf180b4efa6423 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c03a4 - proptest::test_runner::runner::TestRunner::shrink::h335582ed4b4cdbb3 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b6189 - proptest::test_runner::runner::TestRunner::run_one_with_replay::hb41f22cb09267e4d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26af0db - proptest::test_runner::runner::TestRunner::gen_and_run_case::h2c3eab557e8e0298 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26bc3e2 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h79a77111ffb7f83a [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae24c - proptest::test_runner::runner::TestRunner::run_in_process::h9754c446f70ba2c7 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bfa8b - proptest::test_runner::runner::TestRunner::run::h3b1e70daa52c2dd0 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ededc - fcat::integration::cat_stdin::h452bd8e51792234a [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26edcfa - fcat::integration::cat_stdin::{{closure}}::h2cba406e7d490932 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26df91e - core::ops::function::FnOnce::call_once::h5263ef4efd5e8ccc [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_stdin' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ee2fe - fcat::integration::cat_stdin::{{closure}}::h674c9c9d55ab45aa [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x5558f26ec5f2 - core::ops::function::impls:: for &F>::call::hf0320fe272f54e16 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26caa9f - proptest::test_runner::runner::call_test::{{closure}}::h8cd23604a2cbc77d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e43e8 - as core::ops::function::FnOnce<()>>::call_once::hb69bc1b4aebedbe2 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ebcab - std::panicking::try::do_call::h4715d0eb44e09dd4 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26eaf19 - std::panicking::try::h84a7fd78d7a87eff [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4a98 - std::panic::catch_unwind::h9a94e3e28197ce0e [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c9651 - proptest::test_runner::runner::call_test::hfadf180b4efa6423 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c03a4 - proptest::test_runner::runner::TestRunner::shrink::h335582ed4b4cdbb3 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b6189 - proptest::test_runner::runner::TestRunner::run_one_with_replay::hb41f22cb09267e4d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26af0db - proptest::test_runner::runner::TestRunner::gen_and_run_case::h2c3eab557e8e0298 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26bc3e2 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h79a77111ffb7f83a [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26ae24c - proptest::test_runner::runner::TestRunner::run_in_process::h9754c446f70ba2c7 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bfa8b - proptest::test_runner::runner::TestRunner::run::h3b1e70daa52c2dd0 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26ededc - fcat::integration::cat_stdin::h452bd8e51792234a [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26edcfa - fcat::integration::cat_stdin::{{closure}}::h2cba406e7d490932 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26df91e - core::ops::function::FnOnce::call_once::h5263ef4efd5e8ccc [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] proptest: failed to append to /opt/crater/workdir/proptest-regressions/main.txt: Read-only file system (os error 30) [INFO] [stdout] thread 'integration::cat_stdin' panicked at 'Test failed: called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }; minimal failing input: content = [] [INFO] [stdout] successes: 0 [INFO] [stdout] local rejects: 0 [INFO] [stdout] global rejects: 0 [INFO] [stdout] ', src/main.rs:101:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a9df - std::panicking::begin_panic_fmt::he65a2e8ff19d8ae0 [INFO] [stdout] at src/libstd/panicking.rs:339 [INFO] [stdout] 9: 0x5558f26ee0cf - fcat::integration::cat_stdin::h452bd8e51792234a [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 10: 0x5558f26edcfa - fcat::integration::cat_stdin::{{closure}}::h2cba406e7d490932 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 11: 0x5558f26df91e - core::ops::function::FnOnce::call_once::h5263ef4efd5e8ccc [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 15: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 16: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 17: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 18: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 19: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 20: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 21: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 22: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 23: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 24: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 25: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 26: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 27: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 28: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 29: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 30: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 31: 0x7fd84f876d0f - __clone [INFO] [stdout] 32: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- integration::cat_stdin_file stdout ---- [INFO] [stdout] thread 'integration::cat_stdin_file' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ef47d - fcat::integration::cat_stdin_file::{{closure}}::hc8003a1d88e708a6 [INFO] [stdout] at src/main.rs:152 [INFO] [stdout] 13: 0x5558f26ec395 - core::ops::function::impls:: for &F>::call::h412c515ea10ab3fc [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26ca142 - proptest::test_runner::runner::call_test::{{closure}}::h21517464e5802c11 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e425d - as core::ops::function::FnOnce<()>>::call_once::h6876aecc1c962f4c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ec09e - std::panicking::try::do_call::hcf48439e4eee22e3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26ea889 - std::panicking::try::h4fbb630d501ac875 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4c7a - std::panic::catch_unwind::he4e9b05076969e6f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c5359 - proptest::test_runner::runner::call_test::h6a2b5622b384f85d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26b7986 - proptest::test_runner::runner::TestRunner::run_one_with_replay::hfc0a124bee872657 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:473 [INFO] [stdout] 22: 0x5558f26b0bcd - proptest::test_runner::runner::TestRunner::gen_and_run_case::h9a87f67d42c3a95d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 23: 0x5558f26bccf2 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h8633c9ba738ed40b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 24: 0x5558f26adbec - proptest::test_runner::runner::TestRunner::run_in_process::h183bc3d4e35e15f1 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 25: 0x5558f26bfc0b - proptest::test_runner::runner::TestRunner::run::h6dc212a4912e663b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 26: 0x5558f26eef46 - fcat::integration::cat_stdin_file::h3857ccfe9fe893dc [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 27: 0x5558f26eecfa - fcat::integration::cat_stdin_file::{{closure}}::h46643bc0229abec6 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 28: 0x5558f26dfcbe - core::ops::function::FnOnce::call_once::he1881a324fbeaada [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 29: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 30: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 31: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 32: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 33: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 34: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 35: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 36: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 37: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 38: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 39: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 41: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 42: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 43: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 44: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 47: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 48: 0x7fd84f876d0f - __clone [INFO] [stdout] 49: 0x0 - [INFO] [stdout] thread 'integration::cat_stdin_file' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some(" Blocking waiting for file lock on package cache\nerror: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ef47d - fcat::integration::cat_stdin_file::{{closure}}::hc8003a1d88e708a6 [INFO] [stdout] at src/main.rs:152 [INFO] [stdout] 13: 0x5558f26ec395 - core::ops::function::impls:: for &F>::call::h412c515ea10ab3fc [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26ca142 - proptest::test_runner::runner::call_test::{{closure}}::h21517464e5802c11 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e425d - as core::ops::function::FnOnce<()>>::call_once::h6876aecc1c962f4c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ec09e - std::panicking::try::do_call::hcf48439e4eee22e3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26ea889 - std::panicking::try::h4fbb630d501ac875 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4c7a - std::panic::catch_unwind::he4e9b05076969e6f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c5359 - proptest::test_runner::runner::call_test::h6a2b5622b384f85d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c2a24 - proptest::test_runner::runner::TestRunner::shrink::he26e0504ba921bb3 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b7a42 - proptest::test_runner::runner::TestRunner::run_one_with_replay::hfc0a124bee872657 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26b0bcd - proptest::test_runner::runner::TestRunner::gen_and_run_case::h9a87f67d42c3a95d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26bccf2 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h8633c9ba738ed40b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26adbec - proptest::test_runner::runner::TestRunner::run_in_process::h183bc3d4e35e15f1 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bfc0b - proptest::test_runner::runner::TestRunner::run::h6dc212a4912e663b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26eef46 - fcat::integration::cat_stdin_file::h3857ccfe9fe893dc [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26eecfa - fcat::integration::cat_stdin_file::{{closure}}::h46643bc0229abec6 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26dfcbe - core::ops::function::FnOnce::call_once::he1881a324fbeaada [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_stdin_file' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ef47d - fcat::integration::cat_stdin_file::{{closure}}::hc8003a1d88e708a6 [INFO] [stdout] at src/main.rs:152 [INFO] [stdout] 13: 0x5558f26ec395 - core::ops::function::impls:: for &F>::call::h412c515ea10ab3fc [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26ca142 - proptest::test_runner::runner::call_test::{{closure}}::h21517464e5802c11 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e425d - as core::ops::function::FnOnce<()>>::call_once::h6876aecc1c962f4c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ec09e - std::panicking::try::do_call::hcf48439e4eee22e3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26ea889 - std::panicking::try::h4fbb630d501ac875 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4c7a - std::panic::catch_unwind::he4e9b05076969e6f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c5359 - proptest::test_runner::runner::call_test::h6a2b5622b384f85d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c2a24 - proptest::test_runner::runner::TestRunner::shrink::he26e0504ba921bb3 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b7a42 - proptest::test_runner::runner::TestRunner::run_one_with_replay::hfc0a124bee872657 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26b0bcd - proptest::test_runner::runner::TestRunner::gen_and_run_case::h9a87f67d42c3a95d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26bccf2 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h8633c9ba738ed40b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26adbec - proptest::test_runner::runner::TestRunner::run_in_process::h183bc3d4e35e15f1 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bfc0b - proptest::test_runner::runner::TestRunner::run::h6dc212a4912e663b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26eef46 - fcat::integration::cat_stdin_file::h3857ccfe9fe893dc [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26eecfa - fcat::integration::cat_stdin_file::{{closure}}::h46643bc0229abec6 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26dfcbe - core::ops::function::FnOnce::call_once::he1881a324fbeaada [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_stdin_file' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ef47d - fcat::integration::cat_stdin_file::{{closure}}::hc8003a1d88e708a6 [INFO] [stdout] at src/main.rs:152 [INFO] [stdout] 13: 0x5558f26ec395 - core::ops::function::impls:: for &F>::call::h412c515ea10ab3fc [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26ca142 - proptest::test_runner::runner::call_test::{{closure}}::h21517464e5802c11 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e425d - as core::ops::function::FnOnce<()>>::call_once::h6876aecc1c962f4c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ec09e - std::panicking::try::do_call::hcf48439e4eee22e3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26ea889 - std::panicking::try::h4fbb630d501ac875 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4c7a - std::panic::catch_unwind::he4e9b05076969e6f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c5359 - proptest::test_runner::runner::call_test::h6a2b5622b384f85d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c2a24 - proptest::test_runner::runner::TestRunner::shrink::he26e0504ba921bb3 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b7a42 - proptest::test_runner::runner::TestRunner::run_one_with_replay::hfc0a124bee872657 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26b0bcd - proptest::test_runner::runner::TestRunner::gen_and_run_case::h9a87f67d42c3a95d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26bccf2 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h8633c9ba738ed40b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26adbec - proptest::test_runner::runner::TestRunner::run_in_process::h183bc3d4e35e15f1 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bfc0b - proptest::test_runner::runner::TestRunner::run::h6dc212a4912e663b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26eef46 - fcat::integration::cat_stdin_file::h3857ccfe9fe893dc [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26eecfa - fcat::integration::cat_stdin_file::{{closure}}::h46643bc0229abec6 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26dfcbe - core::ops::function::FnOnce::call_once::he1881a324fbeaada [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_stdin_file' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ef47d - fcat::integration::cat_stdin_file::{{closure}}::hc8003a1d88e708a6 [INFO] [stdout] at src/main.rs:152 [INFO] [stdout] 13: 0x5558f26ec395 - core::ops::function::impls:: for &F>::call::h412c515ea10ab3fc [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26ca142 - proptest::test_runner::runner::call_test::{{closure}}::h21517464e5802c11 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e425d - as core::ops::function::FnOnce<()>>::call_once::h6876aecc1c962f4c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ec09e - std::panicking::try::do_call::hcf48439e4eee22e3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26ea889 - std::panicking::try::h4fbb630d501ac875 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4c7a - std::panic::catch_unwind::he4e9b05076969e6f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c5359 - proptest::test_runner::runner::call_test::h6a2b5622b384f85d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c2a24 - proptest::test_runner::runner::TestRunner::shrink::he26e0504ba921bb3 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b7a42 - proptest::test_runner::runner::TestRunner::run_one_with_replay::hfc0a124bee872657 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26b0bcd - proptest::test_runner::runner::TestRunner::gen_and_run_case::h9a87f67d42c3a95d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26bccf2 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h8633c9ba738ed40b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26adbec - proptest::test_runner::runner::TestRunner::run_in_process::h183bc3d4e35e15f1 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bfc0b - proptest::test_runner::runner::TestRunner::run::h6dc212a4912e663b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26eef46 - fcat::integration::cat_stdin_file::h3857ccfe9fe893dc [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26eecfa - fcat::integration::cat_stdin_file::{{closure}}::h46643bc0229abec6 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26dfcbe - core::ops::function::FnOnce::call_once::he1881a324fbeaada [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_stdin_file' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some(" Blocking waiting for file lock on package cache\nerror: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ef47d - fcat::integration::cat_stdin_file::{{closure}}::hc8003a1d88e708a6 [INFO] [stdout] at src/main.rs:152 [INFO] [stdout] 13: 0x5558f26ec395 - core::ops::function::impls:: for &F>::call::h412c515ea10ab3fc [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26ca142 - proptest::test_runner::runner::call_test::{{closure}}::h21517464e5802c11 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e425d - as core::ops::function::FnOnce<()>>::call_once::h6876aecc1c962f4c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ec09e - std::panicking::try::do_call::hcf48439e4eee22e3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26ea889 - std::panicking::try::h4fbb630d501ac875 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4c7a - std::panic::catch_unwind::he4e9b05076969e6f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c5359 - proptest::test_runner::runner::call_test::h6a2b5622b384f85d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c2a24 - proptest::test_runner::runner::TestRunner::shrink::he26e0504ba921bb3 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b7a42 - proptest::test_runner::runner::TestRunner::run_one_with_replay::hfc0a124bee872657 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26b0bcd - proptest::test_runner::runner::TestRunner::gen_and_run_case::h9a87f67d42c3a95d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26bccf2 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h8633c9ba738ed40b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26adbec - proptest::test_runner::runner::TestRunner::run_in_process::h183bc3d4e35e15f1 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bfc0b - proptest::test_runner::runner::TestRunner::run::h6dc212a4912e663b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26eef46 - fcat::integration::cat_stdin_file::h3857ccfe9fe893dc [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26eecfa - fcat::integration::cat_stdin_file::{{closure}}::h46643bc0229abec6 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26dfcbe - core::ops::function::FnOnce::call_once::he1881a324fbeaada [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_stdin_file' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ef47d - fcat::integration::cat_stdin_file::{{closure}}::hc8003a1d88e708a6 [INFO] [stdout] at src/main.rs:152 [INFO] [stdout] 13: 0x5558f26ec395 - core::ops::function::impls:: for &F>::call::h412c515ea10ab3fc [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26ca142 - proptest::test_runner::runner::call_test::{{closure}}::h21517464e5802c11 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e425d - as core::ops::function::FnOnce<()>>::call_once::h6876aecc1c962f4c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ec09e - std::panicking::try::do_call::hcf48439e4eee22e3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26ea889 - std::panicking::try::h4fbb630d501ac875 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4c7a - std::panic::catch_unwind::he4e9b05076969e6f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c5359 - proptest::test_runner::runner::call_test::h6a2b5622b384f85d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c2a24 - proptest::test_runner::runner::TestRunner::shrink::he26e0504ba921bb3 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b7a42 - proptest::test_runner::runner::TestRunner::run_one_with_replay::hfc0a124bee872657 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26b0bcd - proptest::test_runner::runner::TestRunner::gen_and_run_case::h9a87f67d42c3a95d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26bccf2 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h8633c9ba738ed40b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26adbec - proptest::test_runner::runner::TestRunner::run_in_process::h183bc3d4e35e15f1 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bfc0b - proptest::test_runner::runner::TestRunner::run::h6dc212a4912e663b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26eef46 - fcat::integration::cat_stdin_file::h3857ccfe9fe893dc [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26eecfa - fcat::integration::cat_stdin_file::{{closure}}::h46643bc0229abec6 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26dfcbe - core::ops::function::FnOnce::call_once::he1881a324fbeaada [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_stdin_file' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ef47d - fcat::integration::cat_stdin_file::{{closure}}::hc8003a1d88e708a6 [INFO] [stdout] at src/main.rs:152 [INFO] [stdout] 13: 0x5558f26ec395 - core::ops::function::impls:: for &F>::call::h412c515ea10ab3fc [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26ca142 - proptest::test_runner::runner::call_test::{{closure}}::h21517464e5802c11 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e425d - as core::ops::function::FnOnce<()>>::call_once::h6876aecc1c962f4c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ec09e - std::panicking::try::do_call::hcf48439e4eee22e3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26ea889 - std::panicking::try::h4fbb630d501ac875 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4c7a - std::panic::catch_unwind::he4e9b05076969e6f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c5359 - proptest::test_runner::runner::call_test::h6a2b5622b384f85d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c2a24 - proptest::test_runner::runner::TestRunner::shrink::he26e0504ba921bb3 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b7a42 - proptest::test_runner::runner::TestRunner::run_one_with_replay::hfc0a124bee872657 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26b0bcd - proptest::test_runner::runner::TestRunner::gen_and_run_case::h9a87f67d42c3a95d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26bccf2 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h8633c9ba738ed40b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26adbec - proptest::test_runner::runner::TestRunner::run_in_process::h183bc3d4e35e15f1 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bfc0b - proptest::test_runner::runner::TestRunner::run::h6dc212a4912e663b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26eef46 - fcat::integration::cat_stdin_file::h3857ccfe9fe893dc [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26eecfa - fcat::integration::cat_stdin_file::{{closure}}::h46643bc0229abec6 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26dfcbe - core::ops::function::FnOnce::call_once::he1881a324fbeaada [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_stdin_file' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ef47d - fcat::integration::cat_stdin_file::{{closure}}::hc8003a1d88e708a6 [INFO] [stdout] at src/main.rs:152 [INFO] [stdout] 13: 0x5558f26ec395 - core::ops::function::impls:: for &F>::call::h412c515ea10ab3fc [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26ca142 - proptest::test_runner::runner::call_test::{{closure}}::h21517464e5802c11 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e425d - as core::ops::function::FnOnce<()>>::call_once::h6876aecc1c962f4c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ec09e - std::panicking::try::do_call::hcf48439e4eee22e3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26ea889 - std::panicking::try::h4fbb630d501ac875 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4c7a - std::panic::catch_unwind::he4e9b05076969e6f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c5359 - proptest::test_runner::runner::call_test::h6a2b5622b384f85d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c2a24 - proptest::test_runner::runner::TestRunner::shrink::he26e0504ba921bb3 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b7a42 - proptest::test_runner::runner::TestRunner::run_one_with_replay::hfc0a124bee872657 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26b0bcd - proptest::test_runner::runner::TestRunner::gen_and_run_case::h9a87f67d42c3a95d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26bccf2 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h8633c9ba738ed40b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26adbec - proptest::test_runner::runner::TestRunner::run_in_process::h183bc3d4e35e15f1 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bfc0b - proptest::test_runner::runner::TestRunner::run::h6dc212a4912e663b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26eef46 - fcat::integration::cat_stdin_file::h3857ccfe9fe893dc [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26eecfa - fcat::integration::cat_stdin_file::{{closure}}::h46643bc0229abec6 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26dfcbe - core::ops::function::FnOnce::call_once::he1881a324fbeaada [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_stdin_file' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ef47d - fcat::integration::cat_stdin_file::{{closure}}::hc8003a1d88e708a6 [INFO] [stdout] at src/main.rs:152 [INFO] [stdout] 13: 0x5558f26ec395 - core::ops::function::impls:: for &F>::call::h412c515ea10ab3fc [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26ca142 - proptest::test_runner::runner::call_test::{{closure}}::h21517464e5802c11 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e425d - as core::ops::function::FnOnce<()>>::call_once::h6876aecc1c962f4c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ec09e - std::panicking::try::do_call::hcf48439e4eee22e3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26ea889 - std::panicking::try::h4fbb630d501ac875 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4c7a - std::panic::catch_unwind::he4e9b05076969e6f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c5359 - proptest::test_runner::runner::call_test::h6a2b5622b384f85d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c2a24 - proptest::test_runner::runner::TestRunner::shrink::he26e0504ba921bb3 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b7a42 - proptest::test_runner::runner::TestRunner::run_one_with_replay::hfc0a124bee872657 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26b0bcd - proptest::test_runner::runner::TestRunner::gen_and_run_case::h9a87f67d42c3a95d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26bccf2 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h8633c9ba738ed40b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26adbec - proptest::test_runner::runner::TestRunner::run_in_process::h183bc3d4e35e15f1 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bfc0b - proptest::test_runner::runner::TestRunner::run::h6dc212a4912e663b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26eef46 - fcat::integration::cat_stdin_file::h3857ccfe9fe893dc [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26eecfa - fcat::integration::cat_stdin_file::{{closure}}::h46643bc0229abec6 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26dfcbe - core::ops::function::FnOnce::call_once::he1881a324fbeaada [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_stdin_file' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ef47d - fcat::integration::cat_stdin_file::{{closure}}::hc8003a1d88e708a6 [INFO] [stdout] at src/main.rs:152 [INFO] [stdout] 13: 0x5558f26ec395 - core::ops::function::impls:: for &F>::call::h412c515ea10ab3fc [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26ca142 - proptest::test_runner::runner::call_test::{{closure}}::h21517464e5802c11 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e425d - as core::ops::function::FnOnce<()>>::call_once::h6876aecc1c962f4c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ec09e - std::panicking::try::do_call::hcf48439e4eee22e3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26ea889 - std::panicking::try::h4fbb630d501ac875 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4c7a - std::panic::catch_unwind::he4e9b05076969e6f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c5359 - proptest::test_runner::runner::call_test::h6a2b5622b384f85d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c2a24 - proptest::test_runner::runner::TestRunner::shrink::he26e0504ba921bb3 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b7a42 - proptest::test_runner::runner::TestRunner::run_one_with_replay::hfc0a124bee872657 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26b0bcd - proptest::test_runner::runner::TestRunner::gen_and_run_case::h9a87f67d42c3a95d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26bccf2 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h8633c9ba738ed40b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26adbec - proptest::test_runner::runner::TestRunner::run_in_process::h183bc3d4e35e15f1 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bfc0b - proptest::test_runner::runner::TestRunner::run::h6dc212a4912e663b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26eef46 - fcat::integration::cat_stdin_file::h3857ccfe9fe893dc [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26eecfa - fcat::integration::cat_stdin_file::{{closure}}::h46643bc0229abec6 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26dfcbe - core::ops::function::FnOnce::call_once::he1881a324fbeaada [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_stdin_file' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ef47d - fcat::integration::cat_stdin_file::{{closure}}::hc8003a1d88e708a6 [INFO] [stdout] at src/main.rs:152 [INFO] [stdout] 13: 0x5558f26ec395 - core::ops::function::impls:: for &F>::call::h412c515ea10ab3fc [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26ca142 - proptest::test_runner::runner::call_test::{{closure}}::h21517464e5802c11 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e425d - as core::ops::function::FnOnce<()>>::call_once::h6876aecc1c962f4c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ec09e - std::panicking::try::do_call::hcf48439e4eee22e3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26ea889 - std::panicking::try::h4fbb630d501ac875 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4c7a - std::panic::catch_unwind::he4e9b05076969e6f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c5359 - proptest::test_runner::runner::call_test::h6a2b5622b384f85d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c2a24 - proptest::test_runner::runner::TestRunner::shrink::he26e0504ba921bb3 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b7a42 - proptest::test_runner::runner::TestRunner::run_one_with_replay::hfc0a124bee872657 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26b0bcd - proptest::test_runner::runner::TestRunner::gen_and_run_case::h9a87f67d42c3a95d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26bccf2 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h8633c9ba738ed40b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26adbec - proptest::test_runner::runner::TestRunner::run_in_process::h183bc3d4e35e15f1 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bfc0b - proptest::test_runner::runner::TestRunner::run::h6dc212a4912e663b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26eef46 - fcat::integration::cat_stdin_file::h3857ccfe9fe893dc [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26eecfa - fcat::integration::cat_stdin_file::{{closure}}::h46643bc0229abec6 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26dfcbe - core::ops::function::FnOnce::call_once::he1881a324fbeaada [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_stdin_file' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ef47d - fcat::integration::cat_stdin_file::{{closure}}::hc8003a1d88e708a6 [INFO] [stdout] at src/main.rs:152 [INFO] [stdout] 13: 0x5558f26ec395 - core::ops::function::impls:: for &F>::call::h412c515ea10ab3fc [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26ca142 - proptest::test_runner::runner::call_test::{{closure}}::h21517464e5802c11 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e425d - as core::ops::function::FnOnce<()>>::call_once::h6876aecc1c962f4c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ec09e - std::panicking::try::do_call::hcf48439e4eee22e3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26ea889 - std::panicking::try::h4fbb630d501ac875 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4c7a - std::panic::catch_unwind::he4e9b05076969e6f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c5359 - proptest::test_runner::runner::call_test::h6a2b5622b384f85d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c2a24 - proptest::test_runner::runner::TestRunner::shrink::he26e0504ba921bb3 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b7a42 - proptest::test_runner::runner::TestRunner::run_one_with_replay::hfc0a124bee872657 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26b0bcd - proptest::test_runner::runner::TestRunner::gen_and_run_case::h9a87f67d42c3a95d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26bccf2 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h8633c9ba738ed40b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26adbec - proptest::test_runner::runner::TestRunner::run_in_process::h183bc3d4e35e15f1 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bfc0b - proptest::test_runner::runner::TestRunner::run::h6dc212a4912e663b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26eef46 - fcat::integration::cat_stdin_file::h3857ccfe9fe893dc [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26eecfa - fcat::integration::cat_stdin_file::{{closure}}::h46643bc0229abec6 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26dfcbe - core::ops::function::FnOnce::call_once::he1881a324fbeaada [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_stdin_file' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ef47d - fcat::integration::cat_stdin_file::{{closure}}::hc8003a1d88e708a6 [INFO] [stdout] at src/main.rs:152 [INFO] [stdout] 13: 0x5558f26ec395 - core::ops::function::impls:: for &F>::call::h412c515ea10ab3fc [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26ca142 - proptest::test_runner::runner::call_test::{{closure}}::h21517464e5802c11 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e425d - as core::ops::function::FnOnce<()>>::call_once::h6876aecc1c962f4c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ec09e - std::panicking::try::do_call::hcf48439e4eee22e3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26ea889 - std::panicking::try::h4fbb630d501ac875 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4c7a - std::panic::catch_unwind::he4e9b05076969e6f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c5359 - proptest::test_runner::runner::call_test::h6a2b5622b384f85d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c2a24 - proptest::test_runner::runner::TestRunner::shrink::he26e0504ba921bb3 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b7a42 - proptest::test_runner::runner::TestRunner::run_one_with_replay::hfc0a124bee872657 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26b0bcd - proptest::test_runner::runner::TestRunner::gen_and_run_case::h9a87f67d42c3a95d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26bccf2 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h8633c9ba738ed40b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26adbec - proptest::test_runner::runner::TestRunner::run_in_process::h183bc3d4e35e15f1 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bfc0b - proptest::test_runner::runner::TestRunner::run::h6dc212a4912e663b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26eef46 - fcat::integration::cat_stdin_file::h3857ccfe9fe893dc [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26eecfa - fcat::integration::cat_stdin_file::{{closure}}::h46643bc0229abec6 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26dfcbe - core::ops::function::FnOnce::call_once::he1881a324fbeaada [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_stdin_file' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ef47d - fcat::integration::cat_stdin_file::{{closure}}::hc8003a1d88e708a6 [INFO] [stdout] at src/main.rs:152 [INFO] [stdout] 13: 0x5558f26ec395 - core::ops::function::impls:: for &F>::call::h412c515ea10ab3fc [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26ca142 - proptest::test_runner::runner::call_test::{{closure}}::h21517464e5802c11 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e425d - as core::ops::function::FnOnce<()>>::call_once::h6876aecc1c962f4c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ec09e - std::panicking::try::do_call::hcf48439e4eee22e3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26ea889 - std::panicking::try::h4fbb630d501ac875 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4c7a - std::panic::catch_unwind::he4e9b05076969e6f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c5359 - proptest::test_runner::runner::call_test::h6a2b5622b384f85d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c2a24 - proptest::test_runner::runner::TestRunner::shrink::he26e0504ba921bb3 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b7a42 - proptest::test_runner::runner::TestRunner::run_one_with_replay::hfc0a124bee872657 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26b0bcd - proptest::test_runner::runner::TestRunner::gen_and_run_case::h9a87f67d42c3a95d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26bccf2 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h8633c9ba738ed40b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26adbec - proptest::test_runner::runner::TestRunner::run_in_process::h183bc3d4e35e15f1 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bfc0b - proptest::test_runner::runner::TestRunner::run::h6dc212a4912e663b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26eef46 - fcat::integration::cat_stdin_file::h3857ccfe9fe893dc [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26eecfa - fcat::integration::cat_stdin_file::{{closure}}::h46643bc0229abec6 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26dfcbe - core::ops::function::FnOnce::call_once::he1881a324fbeaada [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_stdin_file' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ef47d - fcat::integration::cat_stdin_file::{{closure}}::hc8003a1d88e708a6 [INFO] [stdout] at src/main.rs:152 [INFO] [stdout] 13: 0x5558f26ec395 - core::ops::function::impls:: for &F>::call::h412c515ea10ab3fc [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26ca142 - proptest::test_runner::runner::call_test::{{closure}}::h21517464e5802c11 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e425d - as core::ops::function::FnOnce<()>>::call_once::h6876aecc1c962f4c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ec09e - std::panicking::try::do_call::hcf48439e4eee22e3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26ea889 - std::panicking::try::h4fbb630d501ac875 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4c7a - std::panic::catch_unwind::he4e9b05076969e6f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c5359 - proptest::test_runner::runner::call_test::h6a2b5622b384f85d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c2a24 - proptest::test_runner::runner::TestRunner::shrink::he26e0504ba921bb3 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b7a42 - proptest::test_runner::runner::TestRunner::run_one_with_replay::hfc0a124bee872657 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26b0bcd - proptest::test_runner::runner::TestRunner::gen_and_run_case::h9a87f67d42c3a95d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26bccf2 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h8633c9ba738ed40b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26adbec - proptest::test_runner::runner::TestRunner::run_in_process::h183bc3d4e35e15f1 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bfc0b - proptest::test_runner::runner::TestRunner::run::h6dc212a4912e663b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26eef46 - fcat::integration::cat_stdin_file::h3857ccfe9fe893dc [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26eecfa - fcat::integration::cat_stdin_file::{{closure}}::h46643bc0229abec6 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26dfcbe - core::ops::function::FnOnce::call_once::he1881a324fbeaada [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_stdin_file' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ef47d - fcat::integration::cat_stdin_file::{{closure}}::hc8003a1d88e708a6 [INFO] [stdout] at src/main.rs:152 [INFO] [stdout] 13: 0x5558f26ec395 - core::ops::function::impls:: for &F>::call::h412c515ea10ab3fc [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26ca142 - proptest::test_runner::runner::call_test::{{closure}}::h21517464e5802c11 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e425d - as core::ops::function::FnOnce<()>>::call_once::h6876aecc1c962f4c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ec09e - std::panicking::try::do_call::hcf48439e4eee22e3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26ea889 - std::panicking::try::h4fbb630d501ac875 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4c7a - std::panic::catch_unwind::he4e9b05076969e6f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c5359 - proptest::test_runner::runner::call_test::h6a2b5622b384f85d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c2a24 - proptest::test_runner::runner::TestRunner::shrink::he26e0504ba921bb3 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b7a42 - proptest::test_runner::runner::TestRunner::run_one_with_replay::hfc0a124bee872657 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26b0bcd - proptest::test_runner::runner::TestRunner::gen_and_run_case::h9a87f67d42c3a95d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26bccf2 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h8633c9ba738ed40b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26adbec - proptest::test_runner::runner::TestRunner::run_in_process::h183bc3d4e35e15f1 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bfc0b - proptest::test_runner::runner::TestRunner::run::h6dc212a4912e663b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26eef46 - fcat::integration::cat_stdin_file::h3857ccfe9fe893dc [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26eecfa - fcat::integration::cat_stdin_file::{{closure}}::h46643bc0229abec6 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26dfcbe - core::ops::function::FnOnce::call_once::he1881a324fbeaada [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_stdin_file' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ef47d - fcat::integration::cat_stdin_file::{{closure}}::hc8003a1d88e708a6 [INFO] [stdout] at src/main.rs:152 [INFO] [stdout] 13: 0x5558f26ec395 - core::ops::function::impls:: for &F>::call::h412c515ea10ab3fc [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26ca142 - proptest::test_runner::runner::call_test::{{closure}}::h21517464e5802c11 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e425d - as core::ops::function::FnOnce<()>>::call_once::h6876aecc1c962f4c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ec09e - std::panicking::try::do_call::hcf48439e4eee22e3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26ea889 - std::panicking::try::h4fbb630d501ac875 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4c7a - std::panic::catch_unwind::he4e9b05076969e6f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c5359 - proptest::test_runner::runner::call_test::h6a2b5622b384f85d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c2a24 - proptest::test_runner::runner::TestRunner::shrink::he26e0504ba921bb3 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b7a42 - proptest::test_runner::runner::TestRunner::run_one_with_replay::hfc0a124bee872657 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26b0bcd - proptest::test_runner::runner::TestRunner::gen_and_run_case::h9a87f67d42c3a95d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26bccf2 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h8633c9ba738ed40b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26adbec - proptest::test_runner::runner::TestRunner::run_in_process::h183bc3d4e35e15f1 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bfc0b - proptest::test_runner::runner::TestRunner::run::h6dc212a4912e663b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26eef46 - fcat::integration::cat_stdin_file::h3857ccfe9fe893dc [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26eecfa - fcat::integration::cat_stdin_file::{{closure}}::h46643bc0229abec6 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26dfcbe - core::ops::function::FnOnce::call_once::he1881a324fbeaada [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_stdin_file' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ef47d - fcat::integration::cat_stdin_file::{{closure}}::hc8003a1d88e708a6 [INFO] [stdout] at src/main.rs:152 [INFO] [stdout] 13: 0x5558f26ec395 - core::ops::function::impls:: for &F>::call::h412c515ea10ab3fc [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26ca142 - proptest::test_runner::runner::call_test::{{closure}}::h21517464e5802c11 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e425d - as core::ops::function::FnOnce<()>>::call_once::h6876aecc1c962f4c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ec09e - std::panicking::try::do_call::hcf48439e4eee22e3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26ea889 - std::panicking::try::h4fbb630d501ac875 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4c7a - std::panic::catch_unwind::he4e9b05076969e6f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c5359 - proptest::test_runner::runner::call_test::h6a2b5622b384f85d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c2a24 - proptest::test_runner::runner::TestRunner::shrink::he26e0504ba921bb3 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b7a42 - proptest::test_runner::runner::TestRunner::run_one_with_replay::hfc0a124bee872657 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26b0bcd - proptest::test_runner::runner::TestRunner::gen_and_run_case::h9a87f67d42c3a95d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26bccf2 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h8633c9ba738ed40b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26adbec - proptest::test_runner::runner::TestRunner::run_in_process::h183bc3d4e35e15f1 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bfc0b - proptest::test_runner::runner::TestRunner::run::h6dc212a4912e663b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26eef46 - fcat::integration::cat_stdin_file::h3857ccfe9fe893dc [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26eecfa - fcat::integration::cat_stdin_file::{{closure}}::h46643bc0229abec6 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26dfcbe - core::ops::function::FnOnce::call_once::he1881a324fbeaada [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_stdin_file' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5558f283af10 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5558f283aa92 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5558f283a976 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5558f2858f6d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5558f26cc223 - core::result::unwrap_failed::h4a2042a466fea16c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5558f26d56c4 - core::result::Result::unwrap::h75d7550dee64cd72 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5558f26ef47d - fcat::integration::cat_stdin_file::{{closure}}::hc8003a1d88e708a6 [INFO] [stdout] at src/main.rs:152 [INFO] [stdout] 13: 0x5558f26ec395 - core::ops::function::impls:: for &F>::call::h412c515ea10ab3fc [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x5558f26ca142 - proptest::test_runner::runner::call_test::{{closure}}::h21517464e5802c11 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 15: 0x5558f26e425d - as core::ops::function::FnOnce<()>>::call_once::h6876aecc1c962f4c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5558f26ec09e - std::panicking::try::do_call::hcf48439e4eee22e3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5558f26ea889 - std::panicking::try::h4fbb630d501ac875 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5558f26e4c7a - std::panic::catch_unwind::he4e9b05076969e6f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5558f26c5359 - proptest::test_runner::runner::call_test::h6a2b5622b384f85d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:169 [INFO] [stdout] 21: 0x5558f26c2a24 - proptest::test_runner::runner::TestRunner::shrink::he26e0504ba921bb3 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:502 [INFO] [stdout] 22: 0x5558f26b7a42 - proptest::test_runner::runner::TestRunner::run_one_with_replay::hfc0a124bee872657 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:480 [INFO] [stdout] 23: 0x5558f26b0bcd - proptest::test_runner::runner::TestRunner::gen_and_run_case::h9a87f67d42c3a95d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:440 [INFO] [stdout] 24: 0x5558f26bccf2 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h8633c9ba738ed40b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:403 [INFO] [stdout] 25: 0x5558f26adbec - proptest::test_runner::runner::TestRunner::run_in_process::h183bc3d4e35e15f1 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:374 [INFO] [stdout] 26: 0x5558f26bfc0b - proptest::test_runner::runner::TestRunner::run::h6dc212a4912e663b [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.8.4/src/test_runner/runner.rs:262 [INFO] [stdout] 27: 0x5558f26eef46 - fcat::integration::cat_stdin_file::h3857ccfe9fe893dc [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x5558f26eecfa - fcat::integration::cat_stdin_file::{{closure}}::h46643bc0229abec6 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x5558f26dfcbe - core::ops::function::FnOnce::call_once::he1881a324fbeaada [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5558f2707fbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 32: 0x5558f27225b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 33: 0x5558f27225b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 34: 0x5558f27225b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x5558f26fd435 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x5558f27015b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x5558f27015b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 38: 0x5558f27015b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 39: 0x5558f284217a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 40: 0x5558f2701bf2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 41: 0x5558f2701bf2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 42: 0x5558f2701bf2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x5558f2701bf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x5558f282d2bf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5558f28418d0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x5558f28418d0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x5558f28418d0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fd84fd4b4a4 - start_thread [INFO] [stdout] 49: 0x7fd84f876d0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_stdin_file' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError { context: None, cause: Some(CargoError { kind: CommandFailed, context: Some("error: failed to write /opt/crater/workdir/Cargo.lock\n\nCaused by:\n failed to open: /opt/crater/workdir/Cargo.lock\n\nCaused by:\n Read-only file system (os error 30)\n"), cause: None }) }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5558f283a79b - 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: 0x5558f283a79b - 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: 0x5558f283a79b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5558f283a79b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5558f283a79b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5558f283a40a - std::panicking::default_hook::h0c4b76f338614ef1 [WARN] too many lines in the log, truncating it