[INFO] cloning repository mre/fcat [INFO] running `"git" "clone" "--bare" "git://github.com/mre/fcat.git" "work/cache/sources/gh/mre/fcat"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/mre/fcat'... [INFO] running `"git" "clone" "work/cache/sources/gh/mre/fcat" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/mre/fcat"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/mre/fcat'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/mre/fcat" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/mre/fcat"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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 master#c8865d8e195813ade6b84434ac9f8850e7112d1a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of mre/fcat on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "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/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded escargot v0.2.0 [INFO] [stderr] Downloaded assert_cmd v0.6.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] testing mre/fcat against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"` [INFO] [stdout] 2b2aaf911b271ac2aeccdce462f066560df6a80f0c5b9da1b7b5ddc3b17d27db [INFO] running `"docker" "start" "-a" "2b2aaf911b271ac2aeccdce462f066560df6a80f0c5b9da1b7b5ddc3b17d27db"` [INFO] [stderr] Compiling fcat v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.35s [INFO] running `"docker" "inspect" "2b2aaf911b271ac2aeccdce462f066560df6a80f0c5b9da1b7b5ddc3b17d27db"` [INFO] running `"docker" "rm" "-f" "2b2aaf911b271ac2aeccdce462f066560df6a80f0c5b9da1b7b5ddc3b17d27db"` [INFO] [stdout] 2b2aaf911b271ac2aeccdce462f066560df6a80f0c5b9da1b7b5ddc3b17d27db [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"` [INFO] [stdout] 34ad236a4fa3167c29bce07bd462a1f8426c4020db970bd7a11b45b5cd018c05 [INFO] running `"docker" "start" "-a" "34ad236a4fa3167c29bce07bd462a1f8426c4020db970bd7a11b45b5cd018c05"` [INFO] [stderr] Compiling serde v1.0.70 [INFO] [stderr] Compiling escargot v0.2.0 [INFO] [stderr] Compiling byteorder v1.2.4 [INFO] [stderr] Compiling wait-timeout v0.1.5 [INFO] [stderr] Compiling rand v0.5.4 [INFO] [stderr] Compiling aho-corasick v0.6.6 [INFO] [stderr] Compiling thread_local v0.3.5 [INFO] [stderr] Compiling syn v0.14.6 [INFO] [stderr] Compiling float-cmp v0.4.0 [INFO] [stderr] Compiling regex v1.0.2 [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 23s [INFO] running `"docker" "inspect" "34ad236a4fa3167c29bce07bd462a1f8426c4020db970bd7a11b45b5cd018c05"` [INFO] running `"docker" "rm" "-f" "34ad236a4fa3167c29bce07bd462a1f8426c4020db970bd7a11b45b5cd018c05"` [INFO] [stdout] 34ad236a4fa3167c29bce07bd462a1f8426c4020db970bd7a11b45b5cd018c05 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"` [INFO] [stdout] 7d5aec15149a83a51b1ae5518304253750d764f1f0f03c89c309b05b2b24abc5 [INFO] running `"docker" "start" "-a" "7d5aec15149a83a51b1ae5518304253750d764f1f0f03c89c309b05b2b24abc5"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running /opt/crater/target/debug/deps/fcat-9c66ee6a5736868d [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test integration::cat_stdin ... FAILED [INFO] [stdout] test integration::cat_multiple_files ... FAILED [INFO] [stdout] test integration::cat_single_file ... FAILED [INFO] [stdout] test integration::cat_stdin_dash ... FAILED [INFO] [stdout] test integration::cat_file_stdin ... FAILED [INFO] [stdout] test integration::cat_stdin_file ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8d92e - fcat::integration::cat_stdin::{{closure}}::h5f46296ba2e6e40d [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x55fbc7f8bb82 - core::ops::function::impls:: for &F>::call::hd95d0d96e6a282bb [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f6a86f - proptest::test_runner::runner::call_test::{{closure}}::hfa253e1d1ad899df [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: 0x55fbc7f824b8 - as core::ops::function::FnOnce<()>>::call_once::h64364d099532f2e6 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b3fb - std::panicking::try::do_call::h26c6c790d29f4b0b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a9a9 - std::panicking::try::hb5eb889360019c46 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f82968 - std::panic::catch_unwind::hd18ce0d9ac49eb8b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f680b2 - proptest::test_runner::runner::call_test::hc944a983a82b3397 [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: 0x55fbc7f56bc0 - proptest::test_runner::runner::TestRunner::run_one_with_replay::hd4929089307f0668 [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: 0x55fbc7f508bc - proptest::test_runner::runner::TestRunner::gen_and_run_case::h8f44094e5f9bb697 [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: 0x55fbc7f59a88 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h3b8986232a4c0675 [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: 0x55fbc7f4ce7c - proptest::test_runner::runner::TestRunner::run_in_process::h5d209e849e4d871f [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: 0x55fbc7f5ec18 - proptest::test_runner::runner::TestRunner::run::h0d34c5a161157966 [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: 0x55fbc7f8d50c - fcat::integration::cat_stdin::h2b8991a8ff044132 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 27: 0x55fbc7f8d32a - fcat::integration::cat_stdin::{{closure}}::h8e6c72950ba39826 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 28: 0x55fbc7f7bbce - core::ops::function::FnOnce::call_once::ha316c57a702b36a5 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 29: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 30: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 31: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 33: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 34: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 35: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 36: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 37: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 38: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 39: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 43: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 44: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 47: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 48: 0x7fac1898ad0f - __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("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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8d92e - fcat::integration::cat_stdin::{{closure}}::h5f46296ba2e6e40d [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x55fbc7f8bb82 - core::ops::function::impls:: for &F>::call::hd95d0d96e6a282bb [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f6a86f - proptest::test_runner::runner::call_test::{{closure}}::hfa253e1d1ad899df [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: 0x55fbc7f824b8 - as core::ops::function::FnOnce<()>>::call_once::h64364d099532f2e6 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b3fb - std::panicking::try::do_call::h26c6c790d29f4b0b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a9a9 - std::panicking::try::hb5eb889360019c46 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f82968 - std::panic::catch_unwind::hd18ce0d9ac49eb8b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f680b2 - proptest::test_runner::runner::call_test::hc944a983a82b3397 [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: 0x55fbc7f60e44 - proptest::test_runner::runner::TestRunner::shrink::h861108792d61ce16 [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: 0x55fbc7f56c7d - proptest::test_runner::runner::TestRunner::run_one_with_replay::hd4929089307f0668 [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: 0x55fbc7f508bc - proptest::test_runner::runner::TestRunner::gen_and_run_case::h8f44094e5f9bb697 [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: 0x55fbc7f59a88 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h3b8986232a4c0675 [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: 0x55fbc7f4ce7c - proptest::test_runner::runner::TestRunner::run_in_process::h5d209e849e4d871f [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: 0x55fbc7f5ec18 - proptest::test_runner::runner::TestRunner::run::h0d34c5a161157966 [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: 0x55fbc7f8d50c - fcat::integration::cat_stdin::h2b8991a8ff044132 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8d32a - fcat::integration::cat_stdin::{{closure}}::h8e6c72950ba39826 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bbce - core::ops::function::FnOnce::call_once::ha316c57a702b36a5 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8d92e - fcat::integration::cat_stdin::{{closure}}::h5f46296ba2e6e40d [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x55fbc7f8bb82 - core::ops::function::impls:: for &F>::call::hd95d0d96e6a282bb [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f6a86f - proptest::test_runner::runner::call_test::{{closure}}::hfa253e1d1ad899df [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: 0x55fbc7f824b8 - as core::ops::function::FnOnce<()>>::call_once::h64364d099532f2e6 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b3fb - std::panicking::try::do_call::h26c6c790d29f4b0b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a9a9 - std::panicking::try::hb5eb889360019c46 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f82968 - std::panic::catch_unwind::hd18ce0d9ac49eb8b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f680b2 - proptest::test_runner::runner::call_test::hc944a983a82b3397 [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: 0x55fbc7f60e44 - proptest::test_runner::runner::TestRunner::shrink::h861108792d61ce16 [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: 0x55fbc7f56c7d - proptest::test_runner::runner::TestRunner::run_one_with_replay::hd4929089307f0668 [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: 0x55fbc7f508bc - proptest::test_runner::runner::TestRunner::gen_and_run_case::h8f44094e5f9bb697 [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: 0x55fbc7f59a88 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h3b8986232a4c0675 [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: 0x55fbc7f4ce7c - proptest::test_runner::runner::TestRunner::run_in_process::h5d209e849e4d871f [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: 0x55fbc7f5ec18 - proptest::test_runner::runner::TestRunner::run::h0d34c5a161157966 [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: 0x55fbc7f8d50c - fcat::integration::cat_stdin::h2b8991a8ff044132 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8d32a - fcat::integration::cat_stdin::{{closure}}::h8e6c72950ba39826 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bbce - core::ops::function::FnOnce::call_once::ha316c57a702b36a5 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8d92e - fcat::integration::cat_stdin::{{closure}}::h5f46296ba2e6e40d [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x55fbc7f8bb82 - core::ops::function::impls:: for &F>::call::hd95d0d96e6a282bb [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f6a86f - proptest::test_runner::runner::call_test::{{closure}}::hfa253e1d1ad899df [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: 0x55fbc7f824b8 - as core::ops::function::FnOnce<()>>::call_once::h64364d099532f2e6 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b3fb - std::panicking::try::do_call::h26c6c790d29f4b0b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a9a9 - std::panicking::try::hb5eb889360019c46 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f82968 - std::panic::catch_unwind::hd18ce0d9ac49eb8b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f680b2 - proptest::test_runner::runner::call_test::hc944a983a82b3397 [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: 0x55fbc7f60e44 - proptest::test_runner::runner::TestRunner::shrink::h861108792d61ce16 [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: 0x55fbc7f56c7d - proptest::test_runner::runner::TestRunner::run_one_with_replay::hd4929089307f0668 [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: 0x55fbc7f508bc - proptest::test_runner::runner::TestRunner::gen_and_run_case::h8f44094e5f9bb697 [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: 0x55fbc7f59a88 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h3b8986232a4c0675 [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: 0x55fbc7f4ce7c - proptest::test_runner::runner::TestRunner::run_in_process::h5d209e849e4d871f [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: 0x55fbc7f5ec18 - proptest::test_runner::runner::TestRunner::run::h0d34c5a161157966 [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: 0x55fbc7f8d50c - fcat::integration::cat_stdin::h2b8991a8ff044132 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8d32a - fcat::integration::cat_stdin::{{closure}}::h8e6c72950ba39826 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bbce - core::ops::function::FnOnce::call_once::ha316c57a702b36a5 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8d92e - fcat::integration::cat_stdin::{{closure}}::h5f46296ba2e6e40d [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x55fbc7f8bb82 - core::ops::function::impls:: for &F>::call::hd95d0d96e6a282bb [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f6a86f - proptest::test_runner::runner::call_test::{{closure}}::hfa253e1d1ad899df [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: 0x55fbc7f824b8 - as core::ops::function::FnOnce<()>>::call_once::h64364d099532f2e6 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b3fb - std::panicking::try::do_call::h26c6c790d29f4b0b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a9a9 - std::panicking::try::hb5eb889360019c46 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f82968 - std::panic::catch_unwind::hd18ce0d9ac49eb8b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f680b2 - proptest::test_runner::runner::call_test::hc944a983a82b3397 [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: 0x55fbc7f60e44 - proptest::test_runner::runner::TestRunner::shrink::h861108792d61ce16 [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: 0x55fbc7f56c7d - proptest::test_runner::runner::TestRunner::run_one_with_replay::hd4929089307f0668 [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: 0x55fbc7f508bc - proptest::test_runner::runner::TestRunner::gen_and_run_case::h8f44094e5f9bb697 [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: 0x55fbc7f59a88 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h3b8986232a4c0675 [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: 0x55fbc7f4ce7c - proptest::test_runner::runner::TestRunner::run_in_process::h5d209e849e4d871f [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: 0x55fbc7f5ec18 - proptest::test_runner::runner::TestRunner::run::h0d34c5a161157966 [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: 0x55fbc7f8d50c - fcat::integration::cat_stdin::h2b8991a8ff044132 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8d32a - fcat::integration::cat_stdin::{{closure}}::h8e6c72950ba39826 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bbce - core::ops::function::FnOnce::call_once::ha316c57a702b36a5 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8d92e - fcat::integration::cat_stdin::{{closure}}::h5f46296ba2e6e40d [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x55fbc7f8bb82 - core::ops::function::impls:: for &F>::call::hd95d0d96e6a282bb [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f6a86f - proptest::test_runner::runner::call_test::{{closure}}::hfa253e1d1ad899df [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: 0x55fbc7f824b8 - as core::ops::function::FnOnce<()>>::call_once::h64364d099532f2e6 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b3fb - std::panicking::try::do_call::h26c6c790d29f4b0b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a9a9 - std::panicking::try::hb5eb889360019c46 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f82968 - std::panic::catch_unwind::hd18ce0d9ac49eb8b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f680b2 - proptest::test_runner::runner::call_test::hc944a983a82b3397 [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: 0x55fbc7f60e44 - proptest::test_runner::runner::TestRunner::shrink::h861108792d61ce16 [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: 0x55fbc7f56c7d - proptest::test_runner::runner::TestRunner::run_one_with_replay::hd4929089307f0668 [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: 0x55fbc7f508bc - proptest::test_runner::runner::TestRunner::gen_and_run_case::h8f44094e5f9bb697 [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: 0x55fbc7f59a88 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h3b8986232a4c0675 [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: 0x55fbc7f4ce7c - proptest::test_runner::runner::TestRunner::run_in_process::h5d209e849e4d871f [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: 0x55fbc7f5ec18 - proptest::test_runner::runner::TestRunner::run::h0d34c5a161157966 [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: 0x55fbc7f8d50c - fcat::integration::cat_stdin::h2b8991a8ff044132 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8d32a - fcat::integration::cat_stdin::{{closure}}::h8e6c72950ba39826 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bbce - core::ops::function::FnOnce::call_once::ha316c57a702b36a5 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8d92e - fcat::integration::cat_stdin::{{closure}}::h5f46296ba2e6e40d [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x55fbc7f8bb82 - core::ops::function::impls:: for &F>::call::hd95d0d96e6a282bb [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f6a86f - proptest::test_runner::runner::call_test::{{closure}}::hfa253e1d1ad899df [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: 0x55fbc7f824b8 - as core::ops::function::FnOnce<()>>::call_once::h64364d099532f2e6 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b3fb - std::panicking::try::do_call::h26c6c790d29f4b0b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a9a9 - std::panicking::try::hb5eb889360019c46 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f82968 - std::panic::catch_unwind::hd18ce0d9ac49eb8b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f680b2 - proptest::test_runner::runner::call_test::hc944a983a82b3397 [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: 0x55fbc7f60e44 - proptest::test_runner::runner::TestRunner::shrink::h861108792d61ce16 [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: 0x55fbc7f56c7d - proptest::test_runner::runner::TestRunner::run_one_with_replay::hd4929089307f0668 [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: 0x55fbc7f508bc - proptest::test_runner::runner::TestRunner::gen_and_run_case::h8f44094e5f9bb697 [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: 0x55fbc7f59a88 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h3b8986232a4c0675 [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: 0x55fbc7f4ce7c - proptest::test_runner::runner::TestRunner::run_in_process::h5d209e849e4d871f [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: 0x55fbc7f5ec18 - proptest::test_runner::runner::TestRunner::run::h0d34c5a161157966 [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: 0x55fbc7f8d50c - fcat::integration::cat_stdin::h2b8991a8ff044132 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8d32a - fcat::integration::cat_stdin::{{closure}}::h8e6c72950ba39826 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bbce - core::ops::function::FnOnce::call_once::ha316c57a702b36a5 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8d92e - fcat::integration::cat_stdin::{{closure}}::h5f46296ba2e6e40d [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x55fbc7f8bb82 - core::ops::function::impls:: for &F>::call::hd95d0d96e6a282bb [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f6a86f - proptest::test_runner::runner::call_test::{{closure}}::hfa253e1d1ad899df [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: 0x55fbc7f824b8 - as core::ops::function::FnOnce<()>>::call_once::h64364d099532f2e6 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b3fb - std::panicking::try::do_call::h26c6c790d29f4b0b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a9a9 - std::panicking::try::hb5eb889360019c46 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f82968 - std::panic::catch_unwind::hd18ce0d9ac49eb8b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f680b2 - proptest::test_runner::runner::call_test::hc944a983a82b3397 [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: 0x55fbc7f60e44 - proptest::test_runner::runner::TestRunner::shrink::h861108792d61ce16 [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: 0x55fbc7f56c7d - proptest::test_runner::runner::TestRunner::run_one_with_replay::hd4929089307f0668 [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: 0x55fbc7f508bc - proptest::test_runner::runner::TestRunner::gen_and_run_case::h8f44094e5f9bb697 [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: 0x55fbc7f59a88 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h3b8986232a4c0675 [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: 0x55fbc7f4ce7c - proptest::test_runner::runner::TestRunner::run_in_process::h5d209e849e4d871f [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: 0x55fbc7f5ec18 - proptest::test_runner::runner::TestRunner::run::h0d34c5a161157966 [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: 0x55fbc7f8d50c - fcat::integration::cat_stdin::h2b8991a8ff044132 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8d32a - fcat::integration::cat_stdin::{{closure}}::h8e6c72950ba39826 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bbce - core::ops::function::FnOnce::call_once::ha316c57a702b36a5 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8d92e - fcat::integration::cat_stdin::{{closure}}::h5f46296ba2e6e40d [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x55fbc7f8bb82 - core::ops::function::impls:: for &F>::call::hd95d0d96e6a282bb [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f6a86f - proptest::test_runner::runner::call_test::{{closure}}::hfa253e1d1ad899df [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: 0x55fbc7f824b8 - as core::ops::function::FnOnce<()>>::call_once::h64364d099532f2e6 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b3fb - std::panicking::try::do_call::h26c6c790d29f4b0b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a9a9 - std::panicking::try::hb5eb889360019c46 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f82968 - std::panic::catch_unwind::hd18ce0d9ac49eb8b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f680b2 - proptest::test_runner::runner::call_test::hc944a983a82b3397 [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: 0x55fbc7f60e44 - proptest::test_runner::runner::TestRunner::shrink::h861108792d61ce16 [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: 0x55fbc7f56c7d - proptest::test_runner::runner::TestRunner::run_one_with_replay::hd4929089307f0668 [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: 0x55fbc7f508bc - proptest::test_runner::runner::TestRunner::gen_and_run_case::h8f44094e5f9bb697 [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: 0x55fbc7f59a88 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h3b8986232a4c0675 [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: 0x55fbc7f4ce7c - proptest::test_runner::runner::TestRunner::run_in_process::h5d209e849e4d871f [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: 0x55fbc7f5ec18 - proptest::test_runner::runner::TestRunner::run::h0d34c5a161157966 [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: 0x55fbc7f8d50c - fcat::integration::cat_stdin::h2b8991a8ff044132 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8d32a - fcat::integration::cat_stdin::{{closure}}::h8e6c72950ba39826 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bbce - core::ops::function::FnOnce::call_once::ha316c57a702b36a5 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8d92e - fcat::integration::cat_stdin::{{closure}}::h5f46296ba2e6e40d [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x55fbc7f8bb82 - core::ops::function::impls:: for &F>::call::hd95d0d96e6a282bb [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f6a86f - proptest::test_runner::runner::call_test::{{closure}}::hfa253e1d1ad899df [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: 0x55fbc7f824b8 - as core::ops::function::FnOnce<()>>::call_once::h64364d099532f2e6 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b3fb - std::panicking::try::do_call::h26c6c790d29f4b0b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a9a9 - std::panicking::try::hb5eb889360019c46 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f82968 - std::panic::catch_unwind::hd18ce0d9ac49eb8b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f680b2 - proptest::test_runner::runner::call_test::hc944a983a82b3397 [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: 0x55fbc7f60e44 - proptest::test_runner::runner::TestRunner::shrink::h861108792d61ce16 [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: 0x55fbc7f56c7d - proptest::test_runner::runner::TestRunner::run_one_with_replay::hd4929089307f0668 [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: 0x55fbc7f508bc - proptest::test_runner::runner::TestRunner::gen_and_run_case::h8f44094e5f9bb697 [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: 0x55fbc7f59a88 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h3b8986232a4c0675 [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: 0x55fbc7f4ce7c - proptest::test_runner::runner::TestRunner::run_in_process::h5d209e849e4d871f [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: 0x55fbc7f5ec18 - proptest::test_runner::runner::TestRunner::run::h0d34c5a161157966 [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: 0x55fbc7f8d50c - fcat::integration::cat_stdin::h2b8991a8ff044132 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8d32a - fcat::integration::cat_stdin::{{closure}}::h8e6c72950ba39826 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bbce - core::ops::function::FnOnce::call_once::ha316c57a702b36a5 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8d92e - fcat::integration::cat_stdin::{{closure}}::h5f46296ba2e6e40d [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x55fbc7f8bb82 - core::ops::function::impls:: for &F>::call::hd95d0d96e6a282bb [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f6a86f - proptest::test_runner::runner::call_test::{{closure}}::hfa253e1d1ad899df [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: 0x55fbc7f824b8 - as core::ops::function::FnOnce<()>>::call_once::h64364d099532f2e6 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b3fb - std::panicking::try::do_call::h26c6c790d29f4b0b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a9a9 - std::panicking::try::hb5eb889360019c46 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f82968 - std::panic::catch_unwind::hd18ce0d9ac49eb8b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f680b2 - proptest::test_runner::runner::call_test::hc944a983a82b3397 [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: 0x55fbc7f60e44 - proptest::test_runner::runner::TestRunner::shrink::h861108792d61ce16 [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: 0x55fbc7f56c7d - proptest::test_runner::runner::TestRunner::run_one_with_replay::hd4929089307f0668 [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: 0x55fbc7f508bc - proptest::test_runner::runner::TestRunner::gen_and_run_case::h8f44094e5f9bb697 [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: 0x55fbc7f59a88 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h3b8986232a4c0675 [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: 0x55fbc7f4ce7c - proptest::test_runner::runner::TestRunner::run_in_process::h5d209e849e4d871f [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: 0x55fbc7f5ec18 - proptest::test_runner::runner::TestRunner::run::h0d34c5a161157966 [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: 0x55fbc7f8d50c - fcat::integration::cat_stdin::h2b8991a8ff044132 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8d32a - fcat::integration::cat_stdin::{{closure}}::h8e6c72950ba39826 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bbce - core::ops::function::FnOnce::call_once::ha316c57a702b36a5 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8d92e - fcat::integration::cat_stdin::{{closure}}::h5f46296ba2e6e40d [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x55fbc7f8bb82 - core::ops::function::impls:: for &F>::call::hd95d0d96e6a282bb [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f6a86f - proptest::test_runner::runner::call_test::{{closure}}::hfa253e1d1ad899df [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: 0x55fbc7f824b8 - as core::ops::function::FnOnce<()>>::call_once::h64364d099532f2e6 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b3fb - std::panicking::try::do_call::h26c6c790d29f4b0b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a9a9 - std::panicking::try::hb5eb889360019c46 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f82968 - std::panic::catch_unwind::hd18ce0d9ac49eb8b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f680b2 - proptest::test_runner::runner::call_test::hc944a983a82b3397 [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: 0x55fbc7f60e44 - proptest::test_runner::runner::TestRunner::shrink::h861108792d61ce16 [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: 0x55fbc7f56c7d - proptest::test_runner::runner::TestRunner::run_one_with_replay::hd4929089307f0668 [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: 0x55fbc7f508bc - proptest::test_runner::runner::TestRunner::gen_and_run_case::h8f44094e5f9bb697 [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: 0x55fbc7f59a88 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h3b8986232a4c0675 [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: 0x55fbc7f4ce7c - proptest::test_runner::runner::TestRunner::run_in_process::h5d209e849e4d871f [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: 0x55fbc7f5ec18 - proptest::test_runner::runner::TestRunner::run::h0d34c5a161157966 [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: 0x55fbc7f8d50c - fcat::integration::cat_stdin::h2b8991a8ff044132 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8d32a - fcat::integration::cat_stdin::{{closure}}::h8e6c72950ba39826 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bbce - core::ops::function::FnOnce::call_once::ha316c57a702b36a5 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8d92e - fcat::integration::cat_stdin::{{closure}}::h5f46296ba2e6e40d [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x55fbc7f8bb82 - core::ops::function::impls:: for &F>::call::hd95d0d96e6a282bb [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f6a86f - proptest::test_runner::runner::call_test::{{closure}}::hfa253e1d1ad899df [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: 0x55fbc7f824b8 - as core::ops::function::FnOnce<()>>::call_once::h64364d099532f2e6 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b3fb - std::panicking::try::do_call::h26c6c790d29f4b0b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a9a9 - std::panicking::try::hb5eb889360019c46 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f82968 - std::panic::catch_unwind::hd18ce0d9ac49eb8b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f680b2 - proptest::test_runner::runner::call_test::hc944a983a82b3397 [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: 0x55fbc7f60e44 - proptest::test_runner::runner::TestRunner::shrink::h861108792d61ce16 [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: 0x55fbc7f56c7d - proptest::test_runner::runner::TestRunner::run_one_with_replay::hd4929089307f0668 [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: 0x55fbc7f508bc - proptest::test_runner::runner::TestRunner::gen_and_run_case::h8f44094e5f9bb697 [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: 0x55fbc7f59a88 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h3b8986232a4c0675 [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: 0x55fbc7f4ce7c - proptest::test_runner::runner::TestRunner::run_in_process::h5d209e849e4d871f [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: 0x55fbc7f5ec18 - proptest::test_runner::runner::TestRunner::run::h0d34c5a161157966 [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: 0x55fbc7f8d50c - fcat::integration::cat_stdin::h2b8991a8ff044132 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8d32a - fcat::integration::cat_stdin::{{closure}}::h8e6c72950ba39826 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bbce - core::ops::function::FnOnce::call_once::ha316c57a702b36a5 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8d92e - fcat::integration::cat_stdin::{{closure}}::h5f46296ba2e6e40d [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x55fbc7f8bb82 - core::ops::function::impls:: for &F>::call::hd95d0d96e6a282bb [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f6a86f - proptest::test_runner::runner::call_test::{{closure}}::hfa253e1d1ad899df [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: 0x55fbc7f824b8 - as core::ops::function::FnOnce<()>>::call_once::h64364d099532f2e6 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b3fb - std::panicking::try::do_call::h26c6c790d29f4b0b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a9a9 - std::panicking::try::hb5eb889360019c46 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f82968 - std::panic::catch_unwind::hd18ce0d9ac49eb8b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f680b2 - proptest::test_runner::runner::call_test::hc944a983a82b3397 [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: 0x55fbc7f60e44 - proptest::test_runner::runner::TestRunner::shrink::h861108792d61ce16 [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: 0x55fbc7f56c7d - proptest::test_runner::runner::TestRunner::run_one_with_replay::hd4929089307f0668 [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: 0x55fbc7f508bc - proptest::test_runner::runner::TestRunner::gen_and_run_case::h8f44094e5f9bb697 [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: 0x55fbc7f59a88 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h3b8986232a4c0675 [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: 0x55fbc7f4ce7c - proptest::test_runner::runner::TestRunner::run_in_process::h5d209e849e4d871f [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: 0x55fbc7f5ec18 - proptest::test_runner::runner::TestRunner::run::h0d34c5a161157966 [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: 0x55fbc7f8d50c - fcat::integration::cat_stdin::h2b8991a8ff044132 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8d32a - fcat::integration::cat_stdin::{{closure}}::h8e6c72950ba39826 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bbce - core::ops::function::FnOnce::call_once::ha316c57a702b36a5 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8d92e - fcat::integration::cat_stdin::{{closure}}::h5f46296ba2e6e40d [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x55fbc7f8bb82 - core::ops::function::impls:: for &F>::call::hd95d0d96e6a282bb [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f6a86f - proptest::test_runner::runner::call_test::{{closure}}::hfa253e1d1ad899df [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: 0x55fbc7f824b8 - as core::ops::function::FnOnce<()>>::call_once::h64364d099532f2e6 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b3fb - std::panicking::try::do_call::h26c6c790d29f4b0b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a9a9 - std::panicking::try::hb5eb889360019c46 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f82968 - std::panic::catch_unwind::hd18ce0d9ac49eb8b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f680b2 - proptest::test_runner::runner::call_test::hc944a983a82b3397 [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: 0x55fbc7f60e44 - proptest::test_runner::runner::TestRunner::shrink::h861108792d61ce16 [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: 0x55fbc7f56c7d - proptest::test_runner::runner::TestRunner::run_one_with_replay::hd4929089307f0668 [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: 0x55fbc7f508bc - proptest::test_runner::runner::TestRunner::gen_and_run_case::h8f44094e5f9bb697 [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: 0x55fbc7f59a88 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h3b8986232a4c0675 [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: 0x55fbc7f4ce7c - proptest::test_runner::runner::TestRunner::run_in_process::h5d209e849e4d871f [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: 0x55fbc7f5ec18 - proptest::test_runner::runner::TestRunner::run::h0d34c5a161157966 [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: 0x55fbc7f8d50c - fcat::integration::cat_stdin::h2b8991a8ff044132 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8d32a - fcat::integration::cat_stdin::{{closure}}::h8e6c72950ba39826 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bbce - core::ops::function::FnOnce::call_once::ha316c57a702b36a5 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8d92e - fcat::integration::cat_stdin::{{closure}}::h5f46296ba2e6e40d [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x55fbc7f8bb82 - core::ops::function::impls:: for &F>::call::hd95d0d96e6a282bb [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f6a86f - proptest::test_runner::runner::call_test::{{closure}}::hfa253e1d1ad899df [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: 0x55fbc7f824b8 - as core::ops::function::FnOnce<()>>::call_once::h64364d099532f2e6 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b3fb - std::panicking::try::do_call::h26c6c790d29f4b0b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a9a9 - std::panicking::try::hb5eb889360019c46 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f82968 - std::panic::catch_unwind::hd18ce0d9ac49eb8b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f680b2 - proptest::test_runner::runner::call_test::hc944a983a82b3397 [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: 0x55fbc7f60e44 - proptest::test_runner::runner::TestRunner::shrink::h861108792d61ce16 [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: 0x55fbc7f56c7d - proptest::test_runner::runner::TestRunner::run_one_with_replay::hd4929089307f0668 [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: 0x55fbc7f508bc - proptest::test_runner::runner::TestRunner::gen_and_run_case::h8f44094e5f9bb697 [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: 0x55fbc7f59a88 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h3b8986232a4c0675 [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: 0x55fbc7f4ce7c - proptest::test_runner::runner::TestRunner::run_in_process::h5d209e849e4d871f [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: 0x55fbc7f5ec18 - proptest::test_runner::runner::TestRunner::run::h0d34c5a161157966 [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: 0x55fbc7f8d50c - fcat::integration::cat_stdin::h2b8991a8ff044132 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8d32a - fcat::integration::cat_stdin::{{closure}}::h8e6c72950ba39826 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bbce - core::ops::function::FnOnce::call_once::ha316c57a702b36a5 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8d92e - fcat::integration::cat_stdin::{{closure}}::h5f46296ba2e6e40d [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x55fbc7f8bb82 - core::ops::function::impls:: for &F>::call::hd95d0d96e6a282bb [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f6a86f - proptest::test_runner::runner::call_test::{{closure}}::hfa253e1d1ad899df [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: 0x55fbc7f824b8 - as core::ops::function::FnOnce<()>>::call_once::h64364d099532f2e6 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b3fb - std::panicking::try::do_call::h26c6c790d29f4b0b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a9a9 - std::panicking::try::hb5eb889360019c46 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f82968 - std::panic::catch_unwind::hd18ce0d9ac49eb8b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f680b2 - proptest::test_runner::runner::call_test::hc944a983a82b3397 [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: 0x55fbc7f60e44 - proptest::test_runner::runner::TestRunner::shrink::h861108792d61ce16 [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: 0x55fbc7f56c7d - proptest::test_runner::runner::TestRunner::run_one_with_replay::hd4929089307f0668 [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: 0x55fbc7f508bc - proptest::test_runner::runner::TestRunner::gen_and_run_case::h8f44094e5f9bb697 [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: 0x55fbc7f59a88 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h3b8986232a4c0675 [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: 0x55fbc7f4ce7c - proptest::test_runner::runner::TestRunner::run_in_process::h5d209e849e4d871f [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: 0x55fbc7f5ec18 - proptest::test_runner::runner::TestRunner::run::h0d34c5a161157966 [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: 0x55fbc7f8d50c - fcat::integration::cat_stdin::h2b8991a8ff044132 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8d32a - fcat::integration::cat_stdin::{{closure}}::h8e6c72950ba39826 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bbce - core::ops::function::FnOnce::call_once::ha316c57a702b36a5 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8d92e - fcat::integration::cat_stdin::{{closure}}::h5f46296ba2e6e40d [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x55fbc7f8bb82 - core::ops::function::impls:: for &F>::call::hd95d0d96e6a282bb [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f6a86f - proptest::test_runner::runner::call_test::{{closure}}::hfa253e1d1ad899df [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: 0x55fbc7f824b8 - as core::ops::function::FnOnce<()>>::call_once::h64364d099532f2e6 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b3fb - std::panicking::try::do_call::h26c6c790d29f4b0b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a9a9 - std::panicking::try::hb5eb889360019c46 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f82968 - std::panic::catch_unwind::hd18ce0d9ac49eb8b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f680b2 - proptest::test_runner::runner::call_test::hc944a983a82b3397 [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: 0x55fbc7f60e44 - proptest::test_runner::runner::TestRunner::shrink::h861108792d61ce16 [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: 0x55fbc7f56c7d - proptest::test_runner::runner::TestRunner::run_one_with_replay::hd4929089307f0668 [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: 0x55fbc7f508bc - proptest::test_runner::runner::TestRunner::gen_and_run_case::h8f44094e5f9bb697 [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: 0x55fbc7f59a88 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h3b8986232a4c0675 [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: 0x55fbc7f4ce7c - proptest::test_runner::runner::TestRunner::run_in_process::h5d209e849e4d871f [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: 0x55fbc7f5ec18 - proptest::test_runner::runner::TestRunner::run::h0d34c5a161157966 [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: 0x55fbc7f8d50c - fcat::integration::cat_stdin::h2b8991a8ff044132 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8d32a - fcat::integration::cat_stdin::{{closure}}::h8e6c72950ba39826 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bbce - core::ops::function::FnOnce::call_once::ha316c57a702b36a5 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8d92e - fcat::integration::cat_stdin::{{closure}}::h5f46296ba2e6e40d [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x55fbc7f8bb82 - core::ops::function::impls:: for &F>::call::hd95d0d96e6a282bb [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f6a86f - proptest::test_runner::runner::call_test::{{closure}}::hfa253e1d1ad899df [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: 0x55fbc7f824b8 - as core::ops::function::FnOnce<()>>::call_once::h64364d099532f2e6 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b3fb - std::panicking::try::do_call::h26c6c790d29f4b0b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a9a9 - std::panicking::try::hb5eb889360019c46 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f82968 - std::panic::catch_unwind::hd18ce0d9ac49eb8b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f680b2 - proptest::test_runner::runner::call_test::hc944a983a82b3397 [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: 0x55fbc7f60e44 - proptest::test_runner::runner::TestRunner::shrink::h861108792d61ce16 [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: 0x55fbc7f56c7d - proptest::test_runner::runner::TestRunner::run_one_with_replay::hd4929089307f0668 [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: 0x55fbc7f508bc - proptest::test_runner::runner::TestRunner::gen_and_run_case::h8f44094e5f9bb697 [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: 0x55fbc7f59a88 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h3b8986232a4c0675 [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: 0x55fbc7f4ce7c - proptest::test_runner::runner::TestRunner::run_in_process::h5d209e849e4d871f [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: 0x55fbc7f5ec18 - proptest::test_runner::runner::TestRunner::run::h0d34c5a161157966 [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: 0x55fbc7f8d50c - fcat::integration::cat_stdin::h2b8991a8ff044132 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8d32a - fcat::integration::cat_stdin::{{closure}}::h8e6c72950ba39826 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bbce - core::ops::function::FnOnce::call_once::ha316c57a702b36a5 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8d92e - fcat::integration::cat_stdin::{{closure}}::h5f46296ba2e6e40d [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x55fbc7f8bb82 - core::ops::function::impls:: for &F>::call::hd95d0d96e6a282bb [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f6a86f - proptest::test_runner::runner::call_test::{{closure}}::hfa253e1d1ad899df [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: 0x55fbc7f824b8 - as core::ops::function::FnOnce<()>>::call_once::h64364d099532f2e6 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b3fb - std::panicking::try::do_call::h26c6c790d29f4b0b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a9a9 - std::panicking::try::hb5eb889360019c46 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f82968 - std::panic::catch_unwind::hd18ce0d9ac49eb8b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f680b2 - proptest::test_runner::runner::call_test::hc944a983a82b3397 [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: 0x55fbc7f60e44 - proptest::test_runner::runner::TestRunner::shrink::h861108792d61ce16 [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: 0x55fbc7f56c7d - proptest::test_runner::runner::TestRunner::run_one_with_replay::hd4929089307f0668 [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: 0x55fbc7f508bc - proptest::test_runner::runner::TestRunner::gen_and_run_case::h8f44094e5f9bb697 [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: 0x55fbc7f59a88 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h3b8986232a4c0675 [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: 0x55fbc7f4ce7c - proptest::test_runner::runner::TestRunner::run_in_process::h5d209e849e4d871f [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: 0x55fbc7f5ec18 - proptest::test_runner::runner::TestRunner::run::h0d34c5a161157966 [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: 0x55fbc7f8d50c - fcat::integration::cat_stdin::h2b8991a8ff044132 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8d32a - fcat::integration::cat_stdin::{{closure}}::h8e6c72950ba39826 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bbce - core::ops::function::FnOnce::call_once::ha316c57a702b36a5 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8d92e - fcat::integration::cat_stdin::{{closure}}::h5f46296ba2e6e40d [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x55fbc7f8bb82 - core::ops::function::impls:: for &F>::call::hd95d0d96e6a282bb [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f6a86f - proptest::test_runner::runner::call_test::{{closure}}::hfa253e1d1ad899df [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: 0x55fbc7f824b8 - as core::ops::function::FnOnce<()>>::call_once::h64364d099532f2e6 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b3fb - std::panicking::try::do_call::h26c6c790d29f4b0b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a9a9 - std::panicking::try::hb5eb889360019c46 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f82968 - std::panic::catch_unwind::hd18ce0d9ac49eb8b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f680b2 - proptest::test_runner::runner::call_test::hc944a983a82b3397 [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: 0x55fbc7f60e44 - proptest::test_runner::runner::TestRunner::shrink::h861108792d61ce16 [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: 0x55fbc7f56c7d - proptest::test_runner::runner::TestRunner::run_one_with_replay::hd4929089307f0668 [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: 0x55fbc7f508bc - proptest::test_runner::runner::TestRunner::gen_and_run_case::h8f44094e5f9bb697 [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: 0x55fbc7f59a88 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h3b8986232a4c0675 [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: 0x55fbc7f4ce7c - proptest::test_runner::runner::TestRunner::run_in_process::h5d209e849e4d871f [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: 0x55fbc7f5ec18 - proptest::test_runner::runner::TestRunner::run::h0d34c5a161157966 [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: 0x55fbc7f8d50c - fcat::integration::cat_stdin::h2b8991a8ff044132 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8d32a - fcat::integration::cat_stdin::{{closure}}::h8e6c72950ba39826 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bbce - core::ops::function::FnOnce::call_once::ha316c57a702b36a5 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8d92e - fcat::integration::cat_stdin::{{closure}}::h5f46296ba2e6e40d [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x55fbc7f8bb82 - core::ops::function::impls:: for &F>::call::hd95d0d96e6a282bb [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f6a86f - proptest::test_runner::runner::call_test::{{closure}}::hfa253e1d1ad899df [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: 0x55fbc7f824b8 - as core::ops::function::FnOnce<()>>::call_once::h64364d099532f2e6 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b3fb - std::panicking::try::do_call::h26c6c790d29f4b0b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a9a9 - std::panicking::try::hb5eb889360019c46 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f82968 - std::panic::catch_unwind::hd18ce0d9ac49eb8b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f680b2 - proptest::test_runner::runner::call_test::hc944a983a82b3397 [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: 0x55fbc7f60e44 - proptest::test_runner::runner::TestRunner::shrink::h861108792d61ce16 [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: 0x55fbc7f56c7d - proptest::test_runner::runner::TestRunner::run_one_with_replay::hd4929089307f0668 [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: 0x55fbc7f508bc - proptest::test_runner::runner::TestRunner::gen_and_run_case::h8f44094e5f9bb697 [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: 0x55fbc7f59a88 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h3b8986232a4c0675 [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: 0x55fbc7f4ce7c - proptest::test_runner::runner::TestRunner::run_in_process::h5d209e849e4d871f [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: 0x55fbc7f5ec18 - proptest::test_runner::runner::TestRunner::run::h0d34c5a161157966 [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: 0x55fbc7f8d50c - fcat::integration::cat_stdin::h2b8991a8ff044132 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8d32a - fcat::integration::cat_stdin::{{closure}}::h8e6c72950ba39826 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bbce - core::ops::function::FnOnce::call_once::ha316c57a702b36a5 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8d92e - fcat::integration::cat_stdin::{{closure}}::h5f46296ba2e6e40d [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x55fbc7f8bb82 - core::ops::function::impls:: for &F>::call::hd95d0d96e6a282bb [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f6a86f - proptest::test_runner::runner::call_test::{{closure}}::hfa253e1d1ad899df [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: 0x55fbc7f824b8 - as core::ops::function::FnOnce<()>>::call_once::h64364d099532f2e6 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b3fb - std::panicking::try::do_call::h26c6c790d29f4b0b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a9a9 - std::panicking::try::hb5eb889360019c46 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f82968 - std::panic::catch_unwind::hd18ce0d9ac49eb8b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f680b2 - proptest::test_runner::runner::call_test::hc944a983a82b3397 [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: 0x55fbc7f60e44 - proptest::test_runner::runner::TestRunner::shrink::h861108792d61ce16 [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: 0x55fbc7f56c7d - proptest::test_runner::runner::TestRunner::run_one_with_replay::hd4929089307f0668 [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: 0x55fbc7f508bc - proptest::test_runner::runner::TestRunner::gen_and_run_case::h8f44094e5f9bb697 [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: 0x55fbc7f59a88 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h3b8986232a4c0675 [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: 0x55fbc7f4ce7c - proptest::test_runner::runner::TestRunner::run_in_process::h5d209e849e4d871f [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: 0x55fbc7f5ec18 - proptest::test_runner::runner::TestRunner::run::h0d34c5a161157966 [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: 0x55fbc7f8d50c - fcat::integration::cat_stdin::h2b8991a8ff044132 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8d32a - fcat::integration::cat_stdin::{{closure}}::h8e6c72950ba39826 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bbce - core::ops::function::FnOnce::call_once::ha316c57a702b36a5 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8d92e - fcat::integration::cat_stdin::{{closure}}::h5f46296ba2e6e40d [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x55fbc7f8bb82 - core::ops::function::impls:: for &F>::call::hd95d0d96e6a282bb [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f6a86f - proptest::test_runner::runner::call_test::{{closure}}::hfa253e1d1ad899df [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: 0x55fbc7f824b8 - as core::ops::function::FnOnce<()>>::call_once::h64364d099532f2e6 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b3fb - std::panicking::try::do_call::h26c6c790d29f4b0b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a9a9 - std::panicking::try::hb5eb889360019c46 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f82968 - std::panic::catch_unwind::hd18ce0d9ac49eb8b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f680b2 - proptest::test_runner::runner::call_test::hc944a983a82b3397 [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: 0x55fbc7f60e44 - proptest::test_runner::runner::TestRunner::shrink::h861108792d61ce16 [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: 0x55fbc7f56c7d - proptest::test_runner::runner::TestRunner::run_one_with_replay::hd4929089307f0668 [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: 0x55fbc7f508bc - proptest::test_runner::runner::TestRunner::gen_and_run_case::h8f44094e5f9bb697 [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: 0x55fbc7f59a88 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h3b8986232a4c0675 [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: 0x55fbc7f4ce7c - proptest::test_runner::runner::TestRunner::run_in_process::h5d209e849e4d871f [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: 0x55fbc7f5ec18 - proptest::test_runner::runner::TestRunner::run::h0d34c5a161157966 [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: 0x55fbc7f8d50c - fcat::integration::cat_stdin::h2b8991a8ff044132 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8d32a - fcat::integration::cat_stdin::{{closure}}::h8e6c72950ba39826 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bbce - core::ops::function::FnOnce::call_once::ha316c57a702b36a5 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8d92e - fcat::integration::cat_stdin::{{closure}}::h5f46296ba2e6e40d [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x55fbc7f8bb82 - core::ops::function::impls:: for &F>::call::hd95d0d96e6a282bb [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f6a86f - proptest::test_runner::runner::call_test::{{closure}}::hfa253e1d1ad899df [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: 0x55fbc7f824b8 - as core::ops::function::FnOnce<()>>::call_once::h64364d099532f2e6 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b3fb - std::panicking::try::do_call::h26c6c790d29f4b0b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a9a9 - std::panicking::try::hb5eb889360019c46 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f82968 - std::panic::catch_unwind::hd18ce0d9ac49eb8b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f680b2 - proptest::test_runner::runner::call_test::hc944a983a82b3397 [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: 0x55fbc7f60e44 - proptest::test_runner::runner::TestRunner::shrink::h861108792d61ce16 [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: 0x55fbc7f56c7d - proptest::test_runner::runner::TestRunner::run_one_with_replay::hd4929089307f0668 [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: 0x55fbc7f508bc - proptest::test_runner::runner::TestRunner::gen_and_run_case::h8f44094e5f9bb697 [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: 0x55fbc7f59a88 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h3b8986232a4c0675 [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: 0x55fbc7f4ce7c - proptest::test_runner::runner::TestRunner::run_in_process::h5d209e849e4d871f [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: 0x55fbc7f5ec18 - proptest::test_runner::runner::TestRunner::run::h0d34c5a161157966 [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: 0x55fbc7f8d50c - fcat::integration::cat_stdin::h2b8991a8ff044132 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8d32a - fcat::integration::cat_stdin::{{closure}}::h8e6c72950ba39826 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bbce - core::ops::function::FnOnce::call_once::ha316c57a702b36a5 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8d92e - fcat::integration::cat_stdin::{{closure}}::h5f46296ba2e6e40d [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x55fbc7f8bb82 - core::ops::function::impls:: for &F>::call::hd95d0d96e6a282bb [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f6a86f - proptest::test_runner::runner::call_test::{{closure}}::hfa253e1d1ad899df [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: 0x55fbc7f824b8 - as core::ops::function::FnOnce<()>>::call_once::h64364d099532f2e6 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b3fb - std::panicking::try::do_call::h26c6c790d29f4b0b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a9a9 - std::panicking::try::hb5eb889360019c46 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f82968 - std::panic::catch_unwind::hd18ce0d9ac49eb8b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f680b2 - proptest::test_runner::runner::call_test::hc944a983a82b3397 [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: 0x55fbc7f60e44 - proptest::test_runner::runner::TestRunner::shrink::h861108792d61ce16 [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: 0x55fbc7f56c7d - proptest::test_runner::runner::TestRunner::run_one_with_replay::hd4929089307f0668 [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: 0x55fbc7f508bc - proptest::test_runner::runner::TestRunner::gen_and_run_case::h8f44094e5f9bb697 [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: 0x55fbc7f59a88 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h3b8986232a4c0675 [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: 0x55fbc7f4ce7c - proptest::test_runner::runner::TestRunner::run_in_process::h5d209e849e4d871f [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: 0x55fbc7f5ec18 - proptest::test_runner::runner::TestRunner::run::h0d34c5a161157966 [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: 0x55fbc7f8d50c - fcat::integration::cat_stdin::h2b8991a8ff044132 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8d32a - fcat::integration::cat_stdin::{{closure}}::h8e6c72950ba39826 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bbce - core::ops::function::FnOnce::call_once::ha316c57a702b36a5 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8d92e - fcat::integration::cat_stdin::{{closure}}::h5f46296ba2e6e40d [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x55fbc7f8bb82 - core::ops::function::impls:: for &F>::call::hd95d0d96e6a282bb [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f6a86f - proptest::test_runner::runner::call_test::{{closure}}::hfa253e1d1ad899df [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: 0x55fbc7f824b8 - as core::ops::function::FnOnce<()>>::call_once::h64364d099532f2e6 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b3fb - std::panicking::try::do_call::h26c6c790d29f4b0b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a9a9 - std::panicking::try::hb5eb889360019c46 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f82968 - std::panic::catch_unwind::hd18ce0d9ac49eb8b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f680b2 - proptest::test_runner::runner::call_test::hc944a983a82b3397 [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: 0x55fbc7f60e44 - proptest::test_runner::runner::TestRunner::shrink::h861108792d61ce16 [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: 0x55fbc7f56c7d - proptest::test_runner::runner::TestRunner::run_one_with_replay::hd4929089307f0668 [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: 0x55fbc7f508bc - proptest::test_runner::runner::TestRunner::gen_and_run_case::h8f44094e5f9bb697 [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: 0x55fbc7f59a88 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h3b8986232a4c0675 [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: 0x55fbc7f4ce7c - proptest::test_runner::runner::TestRunner::run_in_process::h5d209e849e4d871f [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: 0x55fbc7f5ec18 - proptest::test_runner::runner::TestRunner::run::h0d34c5a161157966 [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: 0x55fbc7f8d50c - fcat::integration::cat_stdin::h2b8991a8ff044132 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8d32a - fcat::integration::cat_stdin::{{closure}}::h8e6c72950ba39826 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bbce - core::ops::function::FnOnce::call_once::ha316c57a702b36a5 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8d92e - fcat::integration::cat_stdin::{{closure}}::h5f46296ba2e6e40d [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x55fbc7f8bb82 - core::ops::function::impls:: for &F>::call::hd95d0d96e6a282bb [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f6a86f - proptest::test_runner::runner::call_test::{{closure}}::hfa253e1d1ad899df [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: 0x55fbc7f824b8 - as core::ops::function::FnOnce<()>>::call_once::h64364d099532f2e6 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b3fb - std::panicking::try::do_call::h26c6c790d29f4b0b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a9a9 - std::panicking::try::hb5eb889360019c46 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f82968 - std::panic::catch_unwind::hd18ce0d9ac49eb8b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f680b2 - proptest::test_runner::runner::call_test::hc944a983a82b3397 [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: 0x55fbc7f60e44 - proptest::test_runner::runner::TestRunner::shrink::h861108792d61ce16 [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: 0x55fbc7f56c7d - proptest::test_runner::runner::TestRunner::run_one_with_replay::hd4929089307f0668 [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: 0x55fbc7f508bc - proptest::test_runner::runner::TestRunner::gen_and_run_case::h8f44094e5f9bb697 [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: 0x55fbc7f59a88 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h3b8986232a4c0675 [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: 0x55fbc7f4ce7c - proptest::test_runner::runner::TestRunner::run_in_process::h5d209e849e4d871f [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: 0x55fbc7f5ec18 - proptest::test_runner::runner::TestRunner::run::h0d34c5a161157966 [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: 0x55fbc7f8d50c - fcat::integration::cat_stdin::h2b8991a8ff044132 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8d32a - fcat::integration::cat_stdin::{{closure}}::h8e6c72950ba39826 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bbce - core::ops::function::FnOnce::call_once::ha316c57a702b36a5 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8d92e - fcat::integration::cat_stdin::{{closure}}::h5f46296ba2e6e40d [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x55fbc7f8bb82 - core::ops::function::impls:: for &F>::call::hd95d0d96e6a282bb [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f6a86f - proptest::test_runner::runner::call_test::{{closure}}::hfa253e1d1ad899df [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: 0x55fbc7f824b8 - as core::ops::function::FnOnce<()>>::call_once::h64364d099532f2e6 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b3fb - std::panicking::try::do_call::h26c6c790d29f4b0b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a9a9 - std::panicking::try::hb5eb889360019c46 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f82968 - std::panic::catch_unwind::hd18ce0d9ac49eb8b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f680b2 - proptest::test_runner::runner::call_test::hc944a983a82b3397 [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: 0x55fbc7f60e44 - proptest::test_runner::runner::TestRunner::shrink::h861108792d61ce16 [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: 0x55fbc7f56c7d - proptest::test_runner::runner::TestRunner::run_one_with_replay::hd4929089307f0668 [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: 0x55fbc7f508bc - proptest::test_runner::runner::TestRunner::gen_and_run_case::h8f44094e5f9bb697 [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: 0x55fbc7f59a88 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h3b8986232a4c0675 [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: 0x55fbc7f4ce7c - proptest::test_runner::runner::TestRunner::run_in_process::h5d209e849e4d871f [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: 0x55fbc7f5ec18 - proptest::test_runner::runner::TestRunner::run::h0d34c5a161157966 [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: 0x55fbc7f8d50c - fcat::integration::cat_stdin::h2b8991a8ff044132 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8d32a - fcat::integration::cat_stdin::{{closure}}::h8e6c72950ba39826 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bbce - core::ops::function::FnOnce::call_once::ha316c57a702b36a5 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8d92e - fcat::integration::cat_stdin::{{closure}}::h5f46296ba2e6e40d [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x55fbc7f8bb82 - core::ops::function::impls:: for &F>::call::hd95d0d96e6a282bb [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f6a86f - proptest::test_runner::runner::call_test::{{closure}}::hfa253e1d1ad899df [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: 0x55fbc7f824b8 - as core::ops::function::FnOnce<()>>::call_once::h64364d099532f2e6 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b3fb - std::panicking::try::do_call::h26c6c790d29f4b0b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a9a9 - std::panicking::try::hb5eb889360019c46 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f82968 - std::panic::catch_unwind::hd18ce0d9ac49eb8b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f680b2 - proptest::test_runner::runner::call_test::hc944a983a82b3397 [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: 0x55fbc7f60e44 - proptest::test_runner::runner::TestRunner::shrink::h861108792d61ce16 [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: 0x55fbc7f56c7d - proptest::test_runner::runner::TestRunner::run_one_with_replay::hd4929089307f0668 [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: 0x55fbc7f508bc - proptest::test_runner::runner::TestRunner::gen_and_run_case::h8f44094e5f9bb697 [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: 0x55fbc7f59a88 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h3b8986232a4c0675 [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: 0x55fbc7f4ce7c - proptest::test_runner::runner::TestRunner::run_in_process::h5d209e849e4d871f [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: 0x55fbc7f5ec18 - proptest::test_runner::runner::TestRunner::run::h0d34c5a161157966 [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: 0x55fbc7f8d50c - fcat::integration::cat_stdin::h2b8991a8ff044132 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8d32a - fcat::integration::cat_stdin::{{closure}}::h8e6c72950ba39826 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bbce - core::ops::function::FnOnce::call_once::ha316c57a702b36a5 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8d92e - fcat::integration::cat_stdin::{{closure}}::h5f46296ba2e6e40d [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x55fbc7f8bb82 - core::ops::function::impls:: for &F>::call::hd95d0d96e6a282bb [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f6a86f - proptest::test_runner::runner::call_test::{{closure}}::hfa253e1d1ad899df [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: 0x55fbc7f824b8 - as core::ops::function::FnOnce<()>>::call_once::h64364d099532f2e6 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b3fb - std::panicking::try::do_call::h26c6c790d29f4b0b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a9a9 - std::panicking::try::hb5eb889360019c46 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f82968 - std::panic::catch_unwind::hd18ce0d9ac49eb8b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f680b2 - proptest::test_runner::runner::call_test::hc944a983a82b3397 [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: 0x55fbc7f60e44 - proptest::test_runner::runner::TestRunner::shrink::h861108792d61ce16 [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: 0x55fbc7f56c7d - proptest::test_runner::runner::TestRunner::run_one_with_replay::hd4929089307f0668 [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: 0x55fbc7f508bc - proptest::test_runner::runner::TestRunner::gen_and_run_case::h8f44094e5f9bb697 [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: 0x55fbc7f59a88 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h3b8986232a4c0675 [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: 0x55fbc7f4ce7c - proptest::test_runner::runner::TestRunner::run_in_process::h5d209e849e4d871f [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: 0x55fbc7f5ec18 - proptest::test_runner::runner::TestRunner::run::h0d34c5a161157966 [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: 0x55fbc7f8d50c - fcat::integration::cat_stdin::h2b8991a8ff044132 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8d32a - fcat::integration::cat_stdin::{{closure}}::h8e6c72950ba39826 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bbce - core::ops::function::FnOnce::call_once::ha316c57a702b36a5 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8d92e - fcat::integration::cat_stdin::{{closure}}::h5f46296ba2e6e40d [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x55fbc7f8bb82 - core::ops::function::impls:: for &F>::call::hd95d0d96e6a282bb [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f6a86f - proptest::test_runner::runner::call_test::{{closure}}::hfa253e1d1ad899df [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: 0x55fbc7f824b8 - as core::ops::function::FnOnce<()>>::call_once::h64364d099532f2e6 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b3fb - std::panicking::try::do_call::h26c6c790d29f4b0b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a9a9 - std::panicking::try::hb5eb889360019c46 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f82968 - std::panic::catch_unwind::hd18ce0d9ac49eb8b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f680b2 - proptest::test_runner::runner::call_test::hc944a983a82b3397 [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: 0x55fbc7f60e44 - proptest::test_runner::runner::TestRunner::shrink::h861108792d61ce16 [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: 0x55fbc7f56c7d - proptest::test_runner::runner::TestRunner::run_one_with_replay::hd4929089307f0668 [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: 0x55fbc7f508bc - proptest::test_runner::runner::TestRunner::gen_and_run_case::h8f44094e5f9bb697 [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: 0x55fbc7f59a88 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h3b8986232a4c0675 [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: 0x55fbc7f4ce7c - proptest::test_runner::runner::TestRunner::run_in_process::h5d209e849e4d871f [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: 0x55fbc7f5ec18 - proptest::test_runner::runner::TestRunner::run::h0d34c5a161157966 [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: 0x55fbc7f8d50c - fcat::integration::cat_stdin::h2b8991a8ff044132 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8d32a - fcat::integration::cat_stdin::{{closure}}::h8e6c72950ba39826 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bbce - core::ops::function::FnOnce::call_once::ha316c57a702b36a5 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8d92e - fcat::integration::cat_stdin::{{closure}}::h5f46296ba2e6e40d [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x55fbc7f8bb82 - core::ops::function::impls:: for &F>::call::hd95d0d96e6a282bb [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f6a86f - proptest::test_runner::runner::call_test::{{closure}}::hfa253e1d1ad899df [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: 0x55fbc7f824b8 - as core::ops::function::FnOnce<()>>::call_once::h64364d099532f2e6 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b3fb - std::panicking::try::do_call::h26c6c790d29f4b0b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a9a9 - std::panicking::try::hb5eb889360019c46 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f82968 - std::panic::catch_unwind::hd18ce0d9ac49eb8b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f680b2 - proptest::test_runner::runner::call_test::hc944a983a82b3397 [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: 0x55fbc7f60e44 - proptest::test_runner::runner::TestRunner::shrink::h861108792d61ce16 [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: 0x55fbc7f56c7d - proptest::test_runner::runner::TestRunner::run_one_with_replay::hd4929089307f0668 [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: 0x55fbc7f508bc - proptest::test_runner::runner::TestRunner::gen_and_run_case::h8f44094e5f9bb697 [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: 0x55fbc7f59a88 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h3b8986232a4c0675 [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: 0x55fbc7f4ce7c - proptest::test_runner::runner::TestRunner::run_in_process::h5d209e849e4d871f [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: 0x55fbc7f5ec18 - proptest::test_runner::runner::TestRunner::run::h0d34c5a161157966 [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: 0x55fbc7f8d50c - fcat::integration::cat_stdin::h2b8991a8ff044132 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8d32a - fcat::integration::cat_stdin::{{closure}}::h8e6c72950ba39826 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bbce - core::ops::function::FnOnce::call_once::ha316c57a702b36a5 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8d92e - fcat::integration::cat_stdin::{{closure}}::h5f46296ba2e6e40d [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x55fbc7f8bb82 - core::ops::function::impls:: for &F>::call::hd95d0d96e6a282bb [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f6a86f - proptest::test_runner::runner::call_test::{{closure}}::hfa253e1d1ad899df [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: 0x55fbc7f824b8 - as core::ops::function::FnOnce<()>>::call_once::h64364d099532f2e6 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b3fb - std::panicking::try::do_call::h26c6c790d29f4b0b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a9a9 - std::panicking::try::hb5eb889360019c46 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f82968 - std::panic::catch_unwind::hd18ce0d9ac49eb8b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f680b2 - proptest::test_runner::runner::call_test::hc944a983a82b3397 [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: 0x55fbc7f60e44 - proptest::test_runner::runner::TestRunner::shrink::h861108792d61ce16 [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: 0x55fbc7f56c7d - proptest::test_runner::runner::TestRunner::run_one_with_replay::hd4929089307f0668 [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: 0x55fbc7f508bc - proptest::test_runner::runner::TestRunner::gen_and_run_case::h8f44094e5f9bb697 [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: 0x55fbc7f59a88 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h3b8986232a4c0675 [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: 0x55fbc7f4ce7c - proptest::test_runner::runner::TestRunner::run_in_process::h5d209e849e4d871f [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: 0x55fbc7f5ec18 - proptest::test_runner::runner::TestRunner::run::h0d34c5a161157966 [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: 0x55fbc7f8d50c - fcat::integration::cat_stdin::h2b8991a8ff044132 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8d32a - fcat::integration::cat_stdin::{{closure}}::h8e6c72950ba39826 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bbce - core::ops::function::FnOnce::call_once::ha316c57a702b36a5 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8d92e - fcat::integration::cat_stdin::{{closure}}::h5f46296ba2e6e40d [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x55fbc7f8bb82 - core::ops::function::impls:: for &F>::call::hd95d0d96e6a282bb [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f6a86f - proptest::test_runner::runner::call_test::{{closure}}::hfa253e1d1ad899df [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: 0x55fbc7f824b8 - as core::ops::function::FnOnce<()>>::call_once::h64364d099532f2e6 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b3fb - std::panicking::try::do_call::h26c6c790d29f4b0b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a9a9 - std::panicking::try::hb5eb889360019c46 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f82968 - std::panic::catch_unwind::hd18ce0d9ac49eb8b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f680b2 - proptest::test_runner::runner::call_test::hc944a983a82b3397 [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: 0x55fbc7f60e44 - proptest::test_runner::runner::TestRunner::shrink::h861108792d61ce16 [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: 0x55fbc7f56c7d - proptest::test_runner::runner::TestRunner::run_one_with_replay::hd4929089307f0668 [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: 0x55fbc7f508bc - proptest::test_runner::runner::TestRunner::gen_and_run_case::h8f44094e5f9bb697 [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: 0x55fbc7f59a88 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h3b8986232a4c0675 [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: 0x55fbc7f4ce7c - proptest::test_runner::runner::TestRunner::run_in_process::h5d209e849e4d871f [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: 0x55fbc7f5ec18 - proptest::test_runner::runner::TestRunner::run::h0d34c5a161157966 [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: 0x55fbc7f8d50c - fcat::integration::cat_stdin::h2b8991a8ff044132 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8d32a - fcat::integration::cat_stdin::{{closure}}::h8e6c72950ba39826 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bbce - core::ops::function::FnOnce::call_once::ha316c57a702b36a5 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8d92e - fcat::integration::cat_stdin::{{closure}}::h5f46296ba2e6e40d [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x55fbc7f8bb82 - core::ops::function::impls:: for &F>::call::hd95d0d96e6a282bb [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f6a86f - proptest::test_runner::runner::call_test::{{closure}}::hfa253e1d1ad899df [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: 0x55fbc7f824b8 - as core::ops::function::FnOnce<()>>::call_once::h64364d099532f2e6 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b3fb - std::panicking::try::do_call::h26c6c790d29f4b0b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a9a9 - std::panicking::try::hb5eb889360019c46 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f82968 - std::panic::catch_unwind::hd18ce0d9ac49eb8b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f680b2 - proptest::test_runner::runner::call_test::hc944a983a82b3397 [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: 0x55fbc7f60e44 - proptest::test_runner::runner::TestRunner::shrink::h861108792d61ce16 [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: 0x55fbc7f56c7d - proptest::test_runner::runner::TestRunner::run_one_with_replay::hd4929089307f0668 [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: 0x55fbc7f508bc - proptest::test_runner::runner::TestRunner::gen_and_run_case::h8f44094e5f9bb697 [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: 0x55fbc7f59a88 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h3b8986232a4c0675 [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: 0x55fbc7f4ce7c - proptest::test_runner::runner::TestRunner::run_in_process::h5d209e849e4d871f [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: 0x55fbc7f5ec18 - proptest::test_runner::runner::TestRunner::run::h0d34c5a161157966 [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: 0x55fbc7f8d50c - fcat::integration::cat_stdin::h2b8991a8ff044132 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8d32a - fcat::integration::cat_stdin::{{closure}}::h8e6c72950ba39826 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bbce - core::ops::function::FnOnce::call_once::ha316c57a702b36a5 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8d92e - fcat::integration::cat_stdin::{{closure}}::h5f46296ba2e6e40d [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x55fbc7f8bb82 - core::ops::function::impls:: for &F>::call::hd95d0d96e6a282bb [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f6a86f - proptest::test_runner::runner::call_test::{{closure}}::hfa253e1d1ad899df [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: 0x55fbc7f824b8 - as core::ops::function::FnOnce<()>>::call_once::h64364d099532f2e6 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b3fb - std::panicking::try::do_call::h26c6c790d29f4b0b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a9a9 - std::panicking::try::hb5eb889360019c46 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f82968 - std::panic::catch_unwind::hd18ce0d9ac49eb8b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f680b2 - proptest::test_runner::runner::call_test::hc944a983a82b3397 [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: 0x55fbc7f60e44 - proptest::test_runner::runner::TestRunner::shrink::h861108792d61ce16 [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: 0x55fbc7f56c7d - proptest::test_runner::runner::TestRunner::run_one_with_replay::hd4929089307f0668 [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: 0x55fbc7f508bc - proptest::test_runner::runner::TestRunner::gen_and_run_case::h8f44094e5f9bb697 [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: 0x55fbc7f59a88 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h3b8986232a4c0675 [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: 0x55fbc7f4ce7c - proptest::test_runner::runner::TestRunner::run_in_process::h5d209e849e4d871f [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: 0x55fbc7f5ec18 - proptest::test_runner::runner::TestRunner::run::h0d34c5a161157966 [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: 0x55fbc7f8d50c - fcat::integration::cat_stdin::h2b8991a8ff044132 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8d32a - fcat::integration::cat_stdin::{{closure}}::h8e6c72950ba39826 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bbce - core::ops::function::FnOnce::call_once::ha316c57a702b36a5 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8d92e - fcat::integration::cat_stdin::{{closure}}::h5f46296ba2e6e40d [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x55fbc7f8bb82 - core::ops::function::impls:: for &F>::call::hd95d0d96e6a282bb [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f6a86f - proptest::test_runner::runner::call_test::{{closure}}::hfa253e1d1ad899df [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: 0x55fbc7f824b8 - as core::ops::function::FnOnce<()>>::call_once::h64364d099532f2e6 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b3fb - std::panicking::try::do_call::h26c6c790d29f4b0b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a9a9 - std::panicking::try::hb5eb889360019c46 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f82968 - std::panic::catch_unwind::hd18ce0d9ac49eb8b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f680b2 - proptest::test_runner::runner::call_test::hc944a983a82b3397 [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: 0x55fbc7f60e44 - proptest::test_runner::runner::TestRunner::shrink::h861108792d61ce16 [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: 0x55fbc7f56c7d - proptest::test_runner::runner::TestRunner::run_one_with_replay::hd4929089307f0668 [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: 0x55fbc7f508bc - proptest::test_runner::runner::TestRunner::gen_and_run_case::h8f44094e5f9bb697 [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: 0x55fbc7f59a88 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h3b8986232a4c0675 [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: 0x55fbc7f4ce7c - proptest::test_runner::runner::TestRunner::run_in_process::h5d209e849e4d871f [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: 0x55fbc7f5ec18 - proptest::test_runner::runner::TestRunner::run::h0d34c5a161157966 [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: 0x55fbc7f8d50c - fcat::integration::cat_stdin::h2b8991a8ff044132 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8d32a - fcat::integration::cat_stdin::{{closure}}::h8e6c72950ba39826 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bbce - core::ops::function::FnOnce::call_once::ha316c57a702b36a5 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8d92e - fcat::integration::cat_stdin::{{closure}}::h5f46296ba2e6e40d [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x55fbc7f8bb82 - core::ops::function::impls:: for &F>::call::hd95d0d96e6a282bb [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f6a86f - proptest::test_runner::runner::call_test::{{closure}}::hfa253e1d1ad899df [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: 0x55fbc7f824b8 - as core::ops::function::FnOnce<()>>::call_once::h64364d099532f2e6 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b3fb - std::panicking::try::do_call::h26c6c790d29f4b0b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a9a9 - std::panicking::try::hb5eb889360019c46 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f82968 - std::panic::catch_unwind::hd18ce0d9ac49eb8b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f680b2 - proptest::test_runner::runner::call_test::hc944a983a82b3397 [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: 0x55fbc7f60e44 - proptest::test_runner::runner::TestRunner::shrink::h861108792d61ce16 [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: 0x55fbc7f56c7d - proptest::test_runner::runner::TestRunner::run_one_with_replay::hd4929089307f0668 [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: 0x55fbc7f508bc - proptest::test_runner::runner::TestRunner::gen_and_run_case::h8f44094e5f9bb697 [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: 0x55fbc7f59a88 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h3b8986232a4c0675 [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: 0x55fbc7f4ce7c - proptest::test_runner::runner::TestRunner::run_in_process::h5d209e849e4d871f [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: 0x55fbc7f5ec18 - proptest::test_runner::runner::TestRunner::run::h0d34c5a161157966 [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: 0x55fbc7f8d50c - fcat::integration::cat_stdin::h2b8991a8ff044132 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8d32a - fcat::integration::cat_stdin::{{closure}}::h8e6c72950ba39826 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bbce - core::ops::function::FnOnce::call_once::ha316c57a702b36a5 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8d92e - fcat::integration::cat_stdin::{{closure}}::h5f46296ba2e6e40d [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x55fbc7f8bb82 - core::ops::function::impls:: for &F>::call::hd95d0d96e6a282bb [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f6a86f - proptest::test_runner::runner::call_test::{{closure}}::hfa253e1d1ad899df [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: 0x55fbc7f824b8 - as core::ops::function::FnOnce<()>>::call_once::h64364d099532f2e6 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b3fb - std::panicking::try::do_call::h26c6c790d29f4b0b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a9a9 - std::panicking::try::hb5eb889360019c46 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f82968 - std::panic::catch_unwind::hd18ce0d9ac49eb8b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f680b2 - proptest::test_runner::runner::call_test::hc944a983a82b3397 [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: 0x55fbc7f60e44 - proptest::test_runner::runner::TestRunner::shrink::h861108792d61ce16 [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: 0x55fbc7f56c7d - proptest::test_runner::runner::TestRunner::run_one_with_replay::hd4929089307f0668 [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: 0x55fbc7f508bc - proptest::test_runner::runner::TestRunner::gen_and_run_case::h8f44094e5f9bb697 [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: 0x55fbc7f59a88 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h3b8986232a4c0675 [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: 0x55fbc7f4ce7c - proptest::test_runner::runner::TestRunner::run_in_process::h5d209e849e4d871f [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: 0x55fbc7f5ec18 - proptest::test_runner::runner::TestRunner::run::h0d34c5a161157966 [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: 0x55fbc7f8d50c - fcat::integration::cat_stdin::h2b8991a8ff044132 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8d32a - fcat::integration::cat_stdin::{{closure}}::h8e6c72950ba39826 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bbce - core::ops::function::FnOnce::call_once::ha316c57a702b36a5 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8d92e - fcat::integration::cat_stdin::{{closure}}::h5f46296ba2e6e40d [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x55fbc7f8bb82 - core::ops::function::impls:: for &F>::call::hd95d0d96e6a282bb [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f6a86f - proptest::test_runner::runner::call_test::{{closure}}::hfa253e1d1ad899df [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: 0x55fbc7f824b8 - as core::ops::function::FnOnce<()>>::call_once::h64364d099532f2e6 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b3fb - std::panicking::try::do_call::h26c6c790d29f4b0b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a9a9 - std::panicking::try::hb5eb889360019c46 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f82968 - std::panic::catch_unwind::hd18ce0d9ac49eb8b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f680b2 - proptest::test_runner::runner::call_test::hc944a983a82b3397 [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: 0x55fbc7f60e44 - proptest::test_runner::runner::TestRunner::shrink::h861108792d61ce16 [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: 0x55fbc7f56c7d - proptest::test_runner::runner::TestRunner::run_one_with_replay::hd4929089307f0668 [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: 0x55fbc7f508bc - proptest::test_runner::runner::TestRunner::gen_and_run_case::h8f44094e5f9bb697 [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: 0x55fbc7f59a88 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h3b8986232a4c0675 [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: 0x55fbc7f4ce7c - proptest::test_runner::runner::TestRunner::run_in_process::h5d209e849e4d871f [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: 0x55fbc7f5ec18 - proptest::test_runner::runner::TestRunner::run::h0d34c5a161157966 [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: 0x55fbc7f8d50c - fcat::integration::cat_stdin::h2b8991a8ff044132 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8d32a - fcat::integration::cat_stdin::{{closure}}::h8e6c72950ba39826 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bbce - core::ops::function::FnOnce::call_once::ha316c57a702b36a5 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8d92e - fcat::integration::cat_stdin::{{closure}}::h5f46296ba2e6e40d [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x55fbc7f8bb82 - core::ops::function::impls:: for &F>::call::hd95d0d96e6a282bb [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f6a86f - proptest::test_runner::runner::call_test::{{closure}}::hfa253e1d1ad899df [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: 0x55fbc7f824b8 - as core::ops::function::FnOnce<()>>::call_once::h64364d099532f2e6 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b3fb - std::panicking::try::do_call::h26c6c790d29f4b0b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a9a9 - std::panicking::try::hb5eb889360019c46 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f82968 - std::panic::catch_unwind::hd18ce0d9ac49eb8b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f680b2 - proptest::test_runner::runner::call_test::hc944a983a82b3397 [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: 0x55fbc7f60e44 - proptest::test_runner::runner::TestRunner::shrink::h861108792d61ce16 [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: 0x55fbc7f56c7d - proptest::test_runner::runner::TestRunner::run_one_with_replay::hd4929089307f0668 [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: 0x55fbc7f508bc - proptest::test_runner::runner::TestRunner::gen_and_run_case::h8f44094e5f9bb697 [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: 0x55fbc7f59a88 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h3b8986232a4c0675 [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: 0x55fbc7f4ce7c - proptest::test_runner::runner::TestRunner::run_in_process::h5d209e849e4d871f [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: 0x55fbc7f5ec18 - proptest::test_runner::runner::TestRunner::run::h0d34c5a161157966 [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: 0x55fbc7f8d50c - fcat::integration::cat_stdin::h2b8991a8ff044132 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8d32a - fcat::integration::cat_stdin::{{closure}}::h8e6c72950ba39826 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bbce - core::ops::function::FnOnce::call_once::ha316c57a702b36a5 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8d92e - fcat::integration::cat_stdin::{{closure}}::h5f46296ba2e6e40d [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x55fbc7f8bb82 - core::ops::function::impls:: for &F>::call::hd95d0d96e6a282bb [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f6a86f - proptest::test_runner::runner::call_test::{{closure}}::hfa253e1d1ad899df [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: 0x55fbc7f824b8 - as core::ops::function::FnOnce<()>>::call_once::h64364d099532f2e6 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b3fb - std::panicking::try::do_call::h26c6c790d29f4b0b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a9a9 - std::panicking::try::hb5eb889360019c46 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f82968 - std::panic::catch_unwind::hd18ce0d9ac49eb8b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f680b2 - proptest::test_runner::runner::call_test::hc944a983a82b3397 [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: 0x55fbc7f60e44 - proptest::test_runner::runner::TestRunner::shrink::h861108792d61ce16 [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: 0x55fbc7f56c7d - proptest::test_runner::runner::TestRunner::run_one_with_replay::hd4929089307f0668 [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: 0x55fbc7f508bc - proptest::test_runner::runner::TestRunner::gen_and_run_case::h8f44094e5f9bb697 [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: 0x55fbc7f59a88 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h3b8986232a4c0675 [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: 0x55fbc7f4ce7c - proptest::test_runner::runner::TestRunner::run_in_process::h5d209e849e4d871f [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: 0x55fbc7f5ec18 - proptest::test_runner::runner::TestRunner::run::h0d34c5a161157966 [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: 0x55fbc7f8d50c - fcat::integration::cat_stdin::h2b8991a8ff044132 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8d32a - fcat::integration::cat_stdin::{{closure}}::h8e6c72950ba39826 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bbce - core::ops::function::FnOnce::call_once::ha316c57a702b36a5 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8d92e - fcat::integration::cat_stdin::{{closure}}::h5f46296ba2e6e40d [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x55fbc7f8bb82 - core::ops::function::impls:: for &F>::call::hd95d0d96e6a282bb [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f6a86f - proptest::test_runner::runner::call_test::{{closure}}::hfa253e1d1ad899df [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: 0x55fbc7f824b8 - as core::ops::function::FnOnce<()>>::call_once::h64364d099532f2e6 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b3fb - std::panicking::try::do_call::h26c6c790d29f4b0b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a9a9 - std::panicking::try::hb5eb889360019c46 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f82968 - std::panic::catch_unwind::hd18ce0d9ac49eb8b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f680b2 - proptest::test_runner::runner::call_test::hc944a983a82b3397 [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: 0x55fbc7f60e44 - proptest::test_runner::runner::TestRunner::shrink::h861108792d61ce16 [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: 0x55fbc7f56c7d - proptest::test_runner::runner::TestRunner::run_one_with_replay::hd4929089307f0668 [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: 0x55fbc7f508bc - proptest::test_runner::runner::TestRunner::gen_and_run_case::h8f44094e5f9bb697 [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: 0x55fbc7f59a88 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h3b8986232a4c0675 [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: 0x55fbc7f4ce7c - proptest::test_runner::runner::TestRunner::run_in_process::h5d209e849e4d871f [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: 0x55fbc7f5ec18 - proptest::test_runner::runner::TestRunner::run::h0d34c5a161157966 [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: 0x55fbc7f8d50c - fcat::integration::cat_stdin::h2b8991a8ff044132 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8d32a - fcat::integration::cat_stdin::{{closure}}::h8e6c72950ba39826 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bbce - core::ops::function::FnOnce::call_once::ha316c57a702b36a5 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8d92e - fcat::integration::cat_stdin::{{closure}}::h5f46296ba2e6e40d [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x55fbc7f8bb82 - core::ops::function::impls:: for &F>::call::hd95d0d96e6a282bb [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f6a86f - proptest::test_runner::runner::call_test::{{closure}}::hfa253e1d1ad899df [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: 0x55fbc7f824b8 - as core::ops::function::FnOnce<()>>::call_once::h64364d099532f2e6 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b3fb - std::panicking::try::do_call::h26c6c790d29f4b0b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a9a9 - std::panicking::try::hb5eb889360019c46 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f82968 - std::panic::catch_unwind::hd18ce0d9ac49eb8b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f680b2 - proptest::test_runner::runner::call_test::hc944a983a82b3397 [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: 0x55fbc7f60e44 - proptest::test_runner::runner::TestRunner::shrink::h861108792d61ce16 [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: 0x55fbc7f56c7d - proptest::test_runner::runner::TestRunner::run_one_with_replay::hd4929089307f0668 [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: 0x55fbc7f508bc - proptest::test_runner::runner::TestRunner::gen_and_run_case::h8f44094e5f9bb697 [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: 0x55fbc7f59a88 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h3b8986232a4c0675 [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: 0x55fbc7f4ce7c - proptest::test_runner::runner::TestRunner::run_in_process::h5d209e849e4d871f [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: 0x55fbc7f5ec18 - proptest::test_runner::runner::TestRunner::run::h0d34c5a161157966 [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: 0x55fbc7f8d50c - fcat::integration::cat_stdin::h2b8991a8ff044132 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8d32a - fcat::integration::cat_stdin::{{closure}}::h8e6c72950ba39826 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bbce - core::ops::function::FnOnce::call_once::ha316c57a702b36a5 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8d92e - fcat::integration::cat_stdin::{{closure}}::h5f46296ba2e6e40d [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x55fbc7f8bb82 - core::ops::function::impls:: for &F>::call::hd95d0d96e6a282bb [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f6a86f - proptest::test_runner::runner::call_test::{{closure}}::hfa253e1d1ad899df [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: 0x55fbc7f824b8 - as core::ops::function::FnOnce<()>>::call_once::h64364d099532f2e6 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b3fb - std::panicking::try::do_call::h26c6c790d29f4b0b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a9a9 - std::panicking::try::hb5eb889360019c46 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f82968 - std::panic::catch_unwind::hd18ce0d9ac49eb8b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f680b2 - proptest::test_runner::runner::call_test::hc944a983a82b3397 [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: 0x55fbc7f60e44 - proptest::test_runner::runner::TestRunner::shrink::h861108792d61ce16 [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: 0x55fbc7f56c7d - proptest::test_runner::runner::TestRunner::run_one_with_replay::hd4929089307f0668 [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: 0x55fbc7f508bc - proptest::test_runner::runner::TestRunner::gen_and_run_case::h8f44094e5f9bb697 [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: 0x55fbc7f59a88 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h3b8986232a4c0675 [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: 0x55fbc7f4ce7c - proptest::test_runner::runner::TestRunner::run_in_process::h5d209e849e4d871f [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: 0x55fbc7f5ec18 - proptest::test_runner::runner::TestRunner::run::h0d34c5a161157966 [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: 0x55fbc7f8d50c - fcat::integration::cat_stdin::h2b8991a8ff044132 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8d32a - fcat::integration::cat_stdin::{{closure}}::h8e6c72950ba39826 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bbce - core::ops::function::FnOnce::call_once::ha316c57a702b36a5 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8d92e - fcat::integration::cat_stdin::{{closure}}::h5f46296ba2e6e40d [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x55fbc7f8bb82 - core::ops::function::impls:: for &F>::call::hd95d0d96e6a282bb [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f6a86f - proptest::test_runner::runner::call_test::{{closure}}::hfa253e1d1ad899df [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: 0x55fbc7f824b8 - as core::ops::function::FnOnce<()>>::call_once::h64364d099532f2e6 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b3fb - std::panicking::try::do_call::h26c6c790d29f4b0b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a9a9 - std::panicking::try::hb5eb889360019c46 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f82968 - std::panic::catch_unwind::hd18ce0d9ac49eb8b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f680b2 - proptest::test_runner::runner::call_test::hc944a983a82b3397 [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: 0x55fbc7f60e44 - proptest::test_runner::runner::TestRunner::shrink::h861108792d61ce16 [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: 0x55fbc7f56c7d - proptest::test_runner::runner::TestRunner::run_one_with_replay::hd4929089307f0668 [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: 0x55fbc7f508bc - proptest::test_runner::runner::TestRunner::gen_and_run_case::h8f44094e5f9bb697 [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: 0x55fbc7f59a88 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h3b8986232a4c0675 [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: 0x55fbc7f4ce7c - proptest::test_runner::runner::TestRunner::run_in_process::h5d209e849e4d871f [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: 0x55fbc7f5ec18 - proptest::test_runner::runner::TestRunner::run::h0d34c5a161157966 [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: 0x55fbc7f8d50c - fcat::integration::cat_stdin::h2b8991a8ff044132 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8d32a - fcat::integration::cat_stdin::{{closure}}::h8e6c72950ba39826 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bbce - core::ops::function::FnOnce::call_once::ha316c57a702b36a5 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8d92e - fcat::integration::cat_stdin::{{closure}}::h5f46296ba2e6e40d [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x55fbc7f8bb82 - core::ops::function::impls:: for &F>::call::hd95d0d96e6a282bb [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f6a86f - proptest::test_runner::runner::call_test::{{closure}}::hfa253e1d1ad899df [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: 0x55fbc7f824b8 - as core::ops::function::FnOnce<()>>::call_once::h64364d099532f2e6 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b3fb - std::panicking::try::do_call::h26c6c790d29f4b0b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a9a9 - std::panicking::try::hb5eb889360019c46 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f82968 - std::panic::catch_unwind::hd18ce0d9ac49eb8b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f680b2 - proptest::test_runner::runner::call_test::hc944a983a82b3397 [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: 0x55fbc7f60e44 - proptest::test_runner::runner::TestRunner::shrink::h861108792d61ce16 [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: 0x55fbc7f56c7d - proptest::test_runner::runner::TestRunner::run_one_with_replay::hd4929089307f0668 [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: 0x55fbc7f508bc - proptest::test_runner::runner::TestRunner::gen_and_run_case::h8f44094e5f9bb697 [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: 0x55fbc7f59a88 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h3b8986232a4c0675 [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: 0x55fbc7f4ce7c - proptest::test_runner::runner::TestRunner::run_in_process::h5d209e849e4d871f [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: 0x55fbc7f5ec18 - proptest::test_runner::runner::TestRunner::run::h0d34c5a161157966 [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: 0x55fbc7f8d50c - fcat::integration::cat_stdin::h2b8991a8ff044132 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8d32a - fcat::integration::cat_stdin::{{closure}}::h8e6c72950ba39826 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bbce - core::ops::function::FnOnce::call_once::ha316c57a702b36a5 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8d92e - fcat::integration::cat_stdin::{{closure}}::h5f46296ba2e6e40d [INFO] [stdout] at src/main.rs:127 [INFO] [stdout] 13: 0x55fbc7f8bb82 - core::ops::function::impls:: for &F>::call::hd95d0d96e6a282bb [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f6a86f - proptest::test_runner::runner::call_test::{{closure}}::hfa253e1d1ad899df [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: 0x55fbc7f824b8 - as core::ops::function::FnOnce<()>>::call_once::h64364d099532f2e6 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b3fb - std::panicking::try::do_call::h26c6c790d29f4b0b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a9a9 - std::panicking::try::hb5eb889360019c46 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f82968 - std::panic::catch_unwind::hd18ce0d9ac49eb8b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f680b2 - proptest::test_runner::runner::call_test::hc944a983a82b3397 [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: 0x55fbc7f60e44 - proptest::test_runner::runner::TestRunner::shrink::h861108792d61ce16 [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: 0x55fbc7f56c7d - proptest::test_runner::runner::TestRunner::run_one_with_replay::hd4929089307f0668 [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: 0x55fbc7f508bc - proptest::test_runner::runner::TestRunner::gen_and_run_case::h8f44094e5f9bb697 [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: 0x55fbc7f59a88 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h3b8986232a4c0675 [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: 0x55fbc7f4ce7c - proptest::test_runner::runner::TestRunner::run_in_process::h5d209e849e4d871f [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: 0x55fbc7f5ec18 - proptest::test_runner::runner::TestRunner::run::h0d34c5a161157966 [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: 0x55fbc7f8d50c - fcat::integration::cat_stdin::h2b8991a8ff044132 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8d32a - fcat::integration::cat_stdin::{{closure}}::h8e6c72950ba39826 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bbce - core::ops::function::FnOnce::call_once::ha316c57a702b36a5 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc80f - std::panicking::begin_panic_fmt::h7b7b130b87f3cbeb [INFO] [stdout] at src/libstd/panicking.rs:337 [INFO] [stdout] 9: 0x55fbc7f8d6ff - fcat::integration::cat_stdin::h2b8991a8ff044132 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 10: 0x55fbc7f8d32a - fcat::integration::cat_stdin::{{closure}}::h8e6c72950ba39826 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 11: 0x55fbc7f7bbce - core::ops::function::FnOnce::call_once::ha316c57a702b36a5 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 14: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 15: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 16: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 17: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 18: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 19: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 20: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 21: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 22: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 23: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 24: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 25: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 26: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 27: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 28: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 29: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 30: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 31: 0x7fac1898ad0f - __clone [INFO] [stdout] 32: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- integration::cat_multiple_files stdout ---- [INFO] [stdout] thread 'integration::cat_multiple_files' 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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8cf49 - fcat::integration::cat_multiple_files::{{closure}}::h7e03da11e0d6d479 [INFO] [stdout] at src/main.rs:115 [INFO] [stdout] 13: 0x55fbc7f8b9b5 - core::ops::function::impls:: for &F>::call::h6960b6d819197d3b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f697e2 - proptest::test_runner::runner::call_test::{{closure}}::h56af7eb2b455aabf [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: 0x55fbc7f8246d - as core::ops::function::FnOnce<()>>::call_once::h5a4f690ecfa36a9c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b5ae - std::panicking::try::do_call::h615ae422395a236b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a549 - std::panicking::try::h9284cdebdcc43c59 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f8287a - std::panic::catch_unwind::hab6e3188dbf0497f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f65f5a - proptest::test_runner::runner::call_test::h9904e4dcc2af8a6a [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: 0x55fbc7f52276 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h3e2ae77ef5f55778 [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: 0x55fbc7f5139e - proptest::test_runner::runner::TestRunner::gen_and_run_case::hcde2e262afe9aa4e [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: 0x55fbc7f5a398 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h4fbba07e590ac4ab [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: 0x55fbc7f4d6fc - proptest::test_runner::runner::TestRunner::run_in_process::hcc91680c073d79d3 [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: 0x55fbc7f5efd8 - proptest::test_runner::runner::TestRunner::run::hd406c8924b10d902 [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: 0x55fbc7f8c9c6 - fcat::integration::cat_multiple_files::h9dbb8fadcf0b0848 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 27: 0x55fbc7f8c77a - fcat::integration::cat_multiple_files::{{closure}}::h9b7295f00de11c06 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 28: 0x55fbc7f7bd1e - core::ops::function::FnOnce::call_once::hd9e8ec1785eba063 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 29: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 30: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 31: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 33: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 34: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 35: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 36: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 37: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 38: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 39: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 43: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 44: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 47: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 48: 0x7fac1898ad0f - __clone [INFO] [stdout] 49: 0x0 - [INFO] [stdout] thread 'integration::cat_multiple_files' 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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8cf49 - fcat::integration::cat_multiple_files::{{closure}}::h7e03da11e0d6d479 [INFO] [stdout] at src/main.rs:115 [INFO] [stdout] 13: 0x55fbc7f8b9b5 - core::ops::function::impls:: for &F>::call::h6960b6d819197d3b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f697e2 - proptest::test_runner::runner::call_test::{{closure}}::h56af7eb2b455aabf [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: 0x55fbc7f8246d - as core::ops::function::FnOnce<()>>::call_once::h5a4f690ecfa36a9c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b5ae - std::panicking::try::do_call::h615ae422395a236b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a549 - std::panicking::try::h9284cdebdcc43c59 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f8287a - std::panic::catch_unwind::hab6e3188dbf0497f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f65f5a - proptest::test_runner::runner::call_test::h9904e4dcc2af8a6a [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: 0x55fbc7f5f104 - proptest::test_runner::runner::TestRunner::shrink::h1dd861c7d2079947 [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: 0x55fbc7f52336 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h3e2ae77ef5f55778 [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: 0x55fbc7f5139e - proptest::test_runner::runner::TestRunner::gen_and_run_case::hcde2e262afe9aa4e [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: 0x55fbc7f5a398 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h4fbba07e590ac4ab [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: 0x55fbc7f4d6fc - proptest::test_runner::runner::TestRunner::run_in_process::hcc91680c073d79d3 [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: 0x55fbc7f5efd8 - proptest::test_runner::runner::TestRunner::run::hd406c8924b10d902 [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: 0x55fbc7f8c9c6 - fcat::integration::cat_multiple_files::h9dbb8fadcf0b0848 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8c77a - fcat::integration::cat_multiple_files::{{closure}}::h9b7295f00de11c06 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bd1e - core::ops::function::FnOnce::call_once::hd9e8ec1785eba063 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_multiple_files' 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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8cf49 - fcat::integration::cat_multiple_files::{{closure}}::h7e03da11e0d6d479 [INFO] [stdout] at src/main.rs:115 [INFO] [stdout] 13: 0x55fbc7f8b9b5 - core::ops::function::impls:: for &F>::call::h6960b6d819197d3b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f697e2 - proptest::test_runner::runner::call_test::{{closure}}::h56af7eb2b455aabf [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: 0x55fbc7f8246d - as core::ops::function::FnOnce<()>>::call_once::h5a4f690ecfa36a9c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b5ae - std::panicking::try::do_call::h615ae422395a236b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a549 - std::panicking::try::h9284cdebdcc43c59 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f8287a - std::panic::catch_unwind::hab6e3188dbf0497f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f65f5a - proptest::test_runner::runner::call_test::h9904e4dcc2af8a6a [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: 0x55fbc7f5f104 - proptest::test_runner::runner::TestRunner::shrink::h1dd861c7d2079947 [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: 0x55fbc7f52336 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h3e2ae77ef5f55778 [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: 0x55fbc7f5139e - proptest::test_runner::runner::TestRunner::gen_and_run_case::hcde2e262afe9aa4e [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: 0x55fbc7f5a398 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h4fbba07e590ac4ab [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: 0x55fbc7f4d6fc - proptest::test_runner::runner::TestRunner::run_in_process::hcc91680c073d79d3 [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: 0x55fbc7f5efd8 - proptest::test_runner::runner::TestRunner::run::hd406c8924b10d902 [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: 0x55fbc7f8c9c6 - fcat::integration::cat_multiple_files::h9dbb8fadcf0b0848 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8c77a - fcat::integration::cat_multiple_files::{{closure}}::h9b7295f00de11c06 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bd1e - core::ops::function::FnOnce::call_once::hd9e8ec1785eba063 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_multiple_files' 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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8cf49 - fcat::integration::cat_multiple_files::{{closure}}::h7e03da11e0d6d479 [INFO] [stdout] at src/main.rs:115 [INFO] [stdout] 13: 0x55fbc7f8b9b5 - core::ops::function::impls:: for &F>::call::h6960b6d819197d3b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f697e2 - proptest::test_runner::runner::call_test::{{closure}}::h56af7eb2b455aabf [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: 0x55fbc7f8246d - as core::ops::function::FnOnce<()>>::call_once::h5a4f690ecfa36a9c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b5ae - std::panicking::try::do_call::h615ae422395a236b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a549 - std::panicking::try::h9284cdebdcc43c59 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f8287a - std::panic::catch_unwind::hab6e3188dbf0497f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f65f5a - proptest::test_runner::runner::call_test::h9904e4dcc2af8a6a [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: 0x55fbc7f5f104 - proptest::test_runner::runner::TestRunner::shrink::h1dd861c7d2079947 [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: 0x55fbc7f52336 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h3e2ae77ef5f55778 [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: 0x55fbc7f5139e - proptest::test_runner::runner::TestRunner::gen_and_run_case::hcde2e262afe9aa4e [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: 0x55fbc7f5a398 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h4fbba07e590ac4ab [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: 0x55fbc7f4d6fc - proptest::test_runner::runner::TestRunner::run_in_process::hcc91680c073d79d3 [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: 0x55fbc7f5efd8 - proptest::test_runner::runner::TestRunner::run::hd406c8924b10d902 [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: 0x55fbc7f8c9c6 - fcat::integration::cat_multiple_files::h9dbb8fadcf0b0848 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8c77a - fcat::integration::cat_multiple_files::{{closure}}::h9b7295f00de11c06 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bd1e - core::ops::function::FnOnce::call_once::hd9e8ec1785eba063 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_multiple_files' 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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8cf49 - fcat::integration::cat_multiple_files::{{closure}}::h7e03da11e0d6d479 [INFO] [stdout] at src/main.rs:115 [INFO] [stdout] 13: 0x55fbc7f8b9b5 - core::ops::function::impls:: for &F>::call::h6960b6d819197d3b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f697e2 - proptest::test_runner::runner::call_test::{{closure}}::h56af7eb2b455aabf [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: 0x55fbc7f8246d - as core::ops::function::FnOnce<()>>::call_once::h5a4f690ecfa36a9c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b5ae - std::panicking::try::do_call::h615ae422395a236b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a549 - std::panicking::try::h9284cdebdcc43c59 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f8287a - std::panic::catch_unwind::hab6e3188dbf0497f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f65f5a - proptest::test_runner::runner::call_test::h9904e4dcc2af8a6a [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: 0x55fbc7f5f104 - proptest::test_runner::runner::TestRunner::shrink::h1dd861c7d2079947 [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: 0x55fbc7f52336 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h3e2ae77ef5f55778 [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: 0x55fbc7f5139e - proptest::test_runner::runner::TestRunner::gen_and_run_case::hcde2e262afe9aa4e [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: 0x55fbc7f5a398 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h4fbba07e590ac4ab [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: 0x55fbc7f4d6fc - proptest::test_runner::runner::TestRunner::run_in_process::hcc91680c073d79d3 [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: 0x55fbc7f5efd8 - proptest::test_runner::runner::TestRunner::run::hd406c8924b10d902 [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: 0x55fbc7f8c9c6 - fcat::integration::cat_multiple_files::h9dbb8fadcf0b0848 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8c77a - fcat::integration::cat_multiple_files::{{closure}}::h9b7295f00de11c06 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bd1e - core::ops::function::FnOnce::call_once::hd9e8ec1785eba063 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_multiple_files' 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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8cf49 - fcat::integration::cat_multiple_files::{{closure}}::h7e03da11e0d6d479 [INFO] [stdout] at src/main.rs:115 [INFO] [stdout] 13: 0x55fbc7f8b9b5 - core::ops::function::impls:: for &F>::call::h6960b6d819197d3b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f697e2 - proptest::test_runner::runner::call_test::{{closure}}::h56af7eb2b455aabf [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: 0x55fbc7f8246d - as core::ops::function::FnOnce<()>>::call_once::h5a4f690ecfa36a9c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b5ae - std::panicking::try::do_call::h615ae422395a236b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a549 - std::panicking::try::h9284cdebdcc43c59 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f8287a - std::panic::catch_unwind::hab6e3188dbf0497f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f65f5a - proptest::test_runner::runner::call_test::h9904e4dcc2af8a6a [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: 0x55fbc7f5f104 - proptest::test_runner::runner::TestRunner::shrink::h1dd861c7d2079947 [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: 0x55fbc7f52336 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h3e2ae77ef5f55778 [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: 0x55fbc7f5139e - proptest::test_runner::runner::TestRunner::gen_and_run_case::hcde2e262afe9aa4e [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: 0x55fbc7f5a398 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h4fbba07e590ac4ab [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: 0x55fbc7f4d6fc - proptest::test_runner::runner::TestRunner::run_in_process::hcc91680c073d79d3 [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: 0x55fbc7f5efd8 - proptest::test_runner::runner::TestRunner::run::hd406c8924b10d902 [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: 0x55fbc7f8c9c6 - fcat::integration::cat_multiple_files::h9dbb8fadcf0b0848 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8c77a - fcat::integration::cat_multiple_files::{{closure}}::h9b7295f00de11c06 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bd1e - core::ops::function::FnOnce::call_once::hd9e8ec1785eba063 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_multiple_files' 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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8cf49 - fcat::integration::cat_multiple_files::{{closure}}::h7e03da11e0d6d479 [INFO] [stdout] at src/main.rs:115 [INFO] [stdout] 13: 0x55fbc7f8b9b5 - core::ops::function::impls:: for &F>::call::h6960b6d819197d3b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f697e2 - proptest::test_runner::runner::call_test::{{closure}}::h56af7eb2b455aabf [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: 0x55fbc7f8246d - as core::ops::function::FnOnce<()>>::call_once::h5a4f690ecfa36a9c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b5ae - std::panicking::try::do_call::h615ae422395a236b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a549 - std::panicking::try::h9284cdebdcc43c59 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f8287a - std::panic::catch_unwind::hab6e3188dbf0497f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f65f5a - proptest::test_runner::runner::call_test::h9904e4dcc2af8a6a [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: 0x55fbc7f5f104 - proptest::test_runner::runner::TestRunner::shrink::h1dd861c7d2079947 [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: 0x55fbc7f52336 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h3e2ae77ef5f55778 [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: 0x55fbc7f5139e - proptest::test_runner::runner::TestRunner::gen_and_run_case::hcde2e262afe9aa4e [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: 0x55fbc7f5a398 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h4fbba07e590ac4ab [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: 0x55fbc7f4d6fc - proptest::test_runner::runner::TestRunner::run_in_process::hcc91680c073d79d3 [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: 0x55fbc7f5efd8 - proptest::test_runner::runner::TestRunner::run::hd406c8924b10d902 [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: 0x55fbc7f8c9c6 - fcat::integration::cat_multiple_files::h9dbb8fadcf0b0848 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8c77a - fcat::integration::cat_multiple_files::{{closure}}::h9b7295f00de11c06 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bd1e - core::ops::function::FnOnce::call_once::hd9e8ec1785eba063 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_multiple_files' 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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8cf49 - fcat::integration::cat_multiple_files::{{closure}}::h7e03da11e0d6d479 [INFO] [stdout] at src/main.rs:115 [INFO] [stdout] 13: 0x55fbc7f8b9b5 - core::ops::function::impls:: for &F>::call::h6960b6d819197d3b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f697e2 - proptest::test_runner::runner::call_test::{{closure}}::h56af7eb2b455aabf [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: 0x55fbc7f8246d - as core::ops::function::FnOnce<()>>::call_once::h5a4f690ecfa36a9c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b5ae - std::panicking::try::do_call::h615ae422395a236b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a549 - std::panicking::try::h9284cdebdcc43c59 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f8287a - std::panic::catch_unwind::hab6e3188dbf0497f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f65f5a - proptest::test_runner::runner::call_test::h9904e4dcc2af8a6a [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: 0x55fbc7f5f104 - proptest::test_runner::runner::TestRunner::shrink::h1dd861c7d2079947 [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: 0x55fbc7f52336 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h3e2ae77ef5f55778 [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: 0x55fbc7f5139e - proptest::test_runner::runner::TestRunner::gen_and_run_case::hcde2e262afe9aa4e [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: 0x55fbc7f5a398 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h4fbba07e590ac4ab [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: 0x55fbc7f4d6fc - proptest::test_runner::runner::TestRunner::run_in_process::hcc91680c073d79d3 [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: 0x55fbc7f5efd8 - proptest::test_runner::runner::TestRunner::run::hd406c8924b10d902 [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: 0x55fbc7f8c9c6 - fcat::integration::cat_multiple_files::h9dbb8fadcf0b0848 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8c77a - fcat::integration::cat_multiple_files::{{closure}}::h9b7295f00de11c06 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bd1e - core::ops::function::FnOnce::call_once::hd9e8ec1785eba063 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_multiple_files' 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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8cf49 - fcat::integration::cat_multiple_files::{{closure}}::h7e03da11e0d6d479 [INFO] [stdout] at src/main.rs:115 [INFO] [stdout] 13: 0x55fbc7f8b9b5 - core::ops::function::impls:: for &F>::call::h6960b6d819197d3b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f697e2 - proptest::test_runner::runner::call_test::{{closure}}::h56af7eb2b455aabf [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: 0x55fbc7f8246d - as core::ops::function::FnOnce<()>>::call_once::h5a4f690ecfa36a9c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b5ae - std::panicking::try::do_call::h615ae422395a236b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a549 - std::panicking::try::h9284cdebdcc43c59 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f8287a - std::panic::catch_unwind::hab6e3188dbf0497f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f65f5a - proptest::test_runner::runner::call_test::h9904e4dcc2af8a6a [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: 0x55fbc7f5f104 - proptest::test_runner::runner::TestRunner::shrink::h1dd861c7d2079947 [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: 0x55fbc7f52336 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h3e2ae77ef5f55778 [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: 0x55fbc7f5139e - proptest::test_runner::runner::TestRunner::gen_and_run_case::hcde2e262afe9aa4e [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: 0x55fbc7f5a398 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h4fbba07e590ac4ab [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: 0x55fbc7f4d6fc - proptest::test_runner::runner::TestRunner::run_in_process::hcc91680c073d79d3 [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: 0x55fbc7f5efd8 - proptest::test_runner::runner::TestRunner::run::hd406c8924b10d902 [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: 0x55fbc7f8c9c6 - fcat::integration::cat_multiple_files::h9dbb8fadcf0b0848 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8c77a - fcat::integration::cat_multiple_files::{{closure}}::h9b7295f00de11c06 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bd1e - core::ops::function::FnOnce::call_once::hd9e8ec1785eba063 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_multiple_files' 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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8cf49 - fcat::integration::cat_multiple_files::{{closure}}::h7e03da11e0d6d479 [INFO] [stdout] at src/main.rs:115 [INFO] [stdout] 13: 0x55fbc7f8b9b5 - core::ops::function::impls:: for &F>::call::h6960b6d819197d3b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f697e2 - proptest::test_runner::runner::call_test::{{closure}}::h56af7eb2b455aabf [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: 0x55fbc7f8246d - as core::ops::function::FnOnce<()>>::call_once::h5a4f690ecfa36a9c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b5ae - std::panicking::try::do_call::h615ae422395a236b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a549 - std::panicking::try::h9284cdebdcc43c59 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f8287a - std::panic::catch_unwind::hab6e3188dbf0497f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f65f5a - proptest::test_runner::runner::call_test::h9904e4dcc2af8a6a [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: 0x55fbc7f5f104 - proptest::test_runner::runner::TestRunner::shrink::h1dd861c7d2079947 [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: 0x55fbc7f52336 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h3e2ae77ef5f55778 [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: 0x55fbc7f5139e - proptest::test_runner::runner::TestRunner::gen_and_run_case::hcde2e262afe9aa4e [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: 0x55fbc7f5a398 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h4fbba07e590ac4ab [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: 0x55fbc7f4d6fc - proptest::test_runner::runner::TestRunner::run_in_process::hcc91680c073d79d3 [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: 0x55fbc7f5efd8 - proptest::test_runner::runner::TestRunner::run::hd406c8924b10d902 [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: 0x55fbc7f8c9c6 - fcat::integration::cat_multiple_files::h9dbb8fadcf0b0848 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8c77a - fcat::integration::cat_multiple_files::{{closure}}::h9b7295f00de11c06 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bd1e - core::ops::function::FnOnce::call_once::hd9e8ec1785eba063 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_multiple_files' 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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8cf49 - fcat::integration::cat_multiple_files::{{closure}}::h7e03da11e0d6d479 [INFO] [stdout] at src/main.rs:115 [INFO] [stdout] 13: 0x55fbc7f8b9b5 - core::ops::function::impls:: for &F>::call::h6960b6d819197d3b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f697e2 - proptest::test_runner::runner::call_test::{{closure}}::h56af7eb2b455aabf [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: 0x55fbc7f8246d - as core::ops::function::FnOnce<()>>::call_once::h5a4f690ecfa36a9c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b5ae - std::panicking::try::do_call::h615ae422395a236b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a549 - std::panicking::try::h9284cdebdcc43c59 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f8287a - std::panic::catch_unwind::hab6e3188dbf0497f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f65f5a - proptest::test_runner::runner::call_test::h9904e4dcc2af8a6a [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: 0x55fbc7f5f104 - proptest::test_runner::runner::TestRunner::shrink::h1dd861c7d2079947 [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: 0x55fbc7f52336 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h3e2ae77ef5f55778 [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: 0x55fbc7f5139e - proptest::test_runner::runner::TestRunner::gen_and_run_case::hcde2e262afe9aa4e [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: 0x55fbc7f5a398 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h4fbba07e590ac4ab [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: 0x55fbc7f4d6fc - proptest::test_runner::runner::TestRunner::run_in_process::hcc91680c073d79d3 [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: 0x55fbc7f5efd8 - proptest::test_runner::runner::TestRunner::run::hd406c8924b10d902 [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: 0x55fbc7f8c9c6 - fcat::integration::cat_multiple_files::h9dbb8fadcf0b0848 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8c77a - fcat::integration::cat_multiple_files::{{closure}}::h9b7295f00de11c06 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bd1e - core::ops::function::FnOnce::call_once::hd9e8ec1785eba063 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_multiple_files' 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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8cf49 - fcat::integration::cat_multiple_files::{{closure}}::h7e03da11e0d6d479 [INFO] [stdout] at src/main.rs:115 [INFO] [stdout] 13: 0x55fbc7f8b9b5 - core::ops::function::impls:: for &F>::call::h6960b6d819197d3b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f697e2 - proptest::test_runner::runner::call_test::{{closure}}::h56af7eb2b455aabf [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: 0x55fbc7f8246d - as core::ops::function::FnOnce<()>>::call_once::h5a4f690ecfa36a9c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b5ae - std::panicking::try::do_call::h615ae422395a236b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a549 - std::panicking::try::h9284cdebdcc43c59 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f8287a - std::panic::catch_unwind::hab6e3188dbf0497f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f65f5a - proptest::test_runner::runner::call_test::h9904e4dcc2af8a6a [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: 0x55fbc7f5f104 - proptest::test_runner::runner::TestRunner::shrink::h1dd861c7d2079947 [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: 0x55fbc7f52336 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h3e2ae77ef5f55778 [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: 0x55fbc7f5139e - proptest::test_runner::runner::TestRunner::gen_and_run_case::hcde2e262afe9aa4e [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: 0x55fbc7f5a398 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h4fbba07e590ac4ab [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: 0x55fbc7f4d6fc - proptest::test_runner::runner::TestRunner::run_in_process::hcc91680c073d79d3 [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: 0x55fbc7f5efd8 - proptest::test_runner::runner::TestRunner::run::hd406c8924b10d902 [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: 0x55fbc7f8c9c6 - fcat::integration::cat_multiple_files::h9dbb8fadcf0b0848 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8c77a - fcat::integration::cat_multiple_files::{{closure}}::h9b7295f00de11c06 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bd1e - core::ops::function::FnOnce::call_once::hd9e8ec1785eba063 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_multiple_files' 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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8cf49 - fcat::integration::cat_multiple_files::{{closure}}::h7e03da11e0d6d479 [INFO] [stdout] at src/main.rs:115 [INFO] [stdout] 13: 0x55fbc7f8b9b5 - core::ops::function::impls:: for &F>::call::h6960b6d819197d3b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f697e2 - proptest::test_runner::runner::call_test::{{closure}}::h56af7eb2b455aabf [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: 0x55fbc7f8246d - as core::ops::function::FnOnce<()>>::call_once::h5a4f690ecfa36a9c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b5ae - std::panicking::try::do_call::h615ae422395a236b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a549 - std::panicking::try::h9284cdebdcc43c59 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f8287a - std::panic::catch_unwind::hab6e3188dbf0497f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f65f5a - proptest::test_runner::runner::call_test::h9904e4dcc2af8a6a [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: 0x55fbc7f5f104 - proptest::test_runner::runner::TestRunner::shrink::h1dd861c7d2079947 [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: 0x55fbc7f52336 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h3e2ae77ef5f55778 [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: 0x55fbc7f5139e - proptest::test_runner::runner::TestRunner::gen_and_run_case::hcde2e262afe9aa4e [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: 0x55fbc7f5a398 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h4fbba07e590ac4ab [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: 0x55fbc7f4d6fc - proptest::test_runner::runner::TestRunner::run_in_process::hcc91680c073d79d3 [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: 0x55fbc7f5efd8 - proptest::test_runner::runner::TestRunner::run::hd406c8924b10d902 [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: 0x55fbc7f8c9c6 - fcat::integration::cat_multiple_files::h9dbb8fadcf0b0848 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8c77a - fcat::integration::cat_multiple_files::{{closure}}::h9b7295f00de11c06 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bd1e - core::ops::function::FnOnce::call_once::hd9e8ec1785eba063 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_multiple_files' 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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8cf49 - fcat::integration::cat_multiple_files::{{closure}}::h7e03da11e0d6d479 [INFO] [stdout] at src/main.rs:115 [INFO] [stdout] 13: 0x55fbc7f8b9b5 - core::ops::function::impls:: for &F>::call::h6960b6d819197d3b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f697e2 - proptest::test_runner::runner::call_test::{{closure}}::h56af7eb2b455aabf [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: 0x55fbc7f8246d - as core::ops::function::FnOnce<()>>::call_once::h5a4f690ecfa36a9c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b5ae - std::panicking::try::do_call::h615ae422395a236b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a549 - std::panicking::try::h9284cdebdcc43c59 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f8287a - std::panic::catch_unwind::hab6e3188dbf0497f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f65f5a - proptest::test_runner::runner::call_test::h9904e4dcc2af8a6a [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: 0x55fbc7f5f104 - proptest::test_runner::runner::TestRunner::shrink::h1dd861c7d2079947 [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: 0x55fbc7f52336 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h3e2ae77ef5f55778 [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: 0x55fbc7f5139e - proptest::test_runner::runner::TestRunner::gen_and_run_case::hcde2e262afe9aa4e [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: 0x55fbc7f5a398 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h4fbba07e590ac4ab [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: 0x55fbc7f4d6fc - proptest::test_runner::runner::TestRunner::run_in_process::hcc91680c073d79d3 [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: 0x55fbc7f5efd8 - proptest::test_runner::runner::TestRunner::run::hd406c8924b10d902 [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: 0x55fbc7f8c9c6 - fcat::integration::cat_multiple_files::h9dbb8fadcf0b0848 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8c77a - fcat::integration::cat_multiple_files::{{closure}}::h9b7295f00de11c06 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bd1e - core::ops::function::FnOnce::call_once::hd9e8ec1785eba063 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_multiple_files' 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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8cf49 - fcat::integration::cat_multiple_files::{{closure}}::h7e03da11e0d6d479 [INFO] [stdout] at src/main.rs:115 [INFO] [stdout] 13: 0x55fbc7f8b9b5 - core::ops::function::impls:: for &F>::call::h6960b6d819197d3b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f697e2 - proptest::test_runner::runner::call_test::{{closure}}::h56af7eb2b455aabf [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: 0x55fbc7f8246d - as core::ops::function::FnOnce<()>>::call_once::h5a4f690ecfa36a9c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b5ae - std::panicking::try::do_call::h615ae422395a236b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a549 - std::panicking::try::h9284cdebdcc43c59 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f8287a - std::panic::catch_unwind::hab6e3188dbf0497f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f65f5a - proptest::test_runner::runner::call_test::h9904e4dcc2af8a6a [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: 0x55fbc7f5f104 - proptest::test_runner::runner::TestRunner::shrink::h1dd861c7d2079947 [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: 0x55fbc7f52336 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h3e2ae77ef5f55778 [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: 0x55fbc7f5139e - proptest::test_runner::runner::TestRunner::gen_and_run_case::hcde2e262afe9aa4e [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: 0x55fbc7f5a398 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h4fbba07e590ac4ab [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: 0x55fbc7f4d6fc - proptest::test_runner::runner::TestRunner::run_in_process::hcc91680c073d79d3 [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: 0x55fbc7f5efd8 - proptest::test_runner::runner::TestRunner::run::hd406c8924b10d902 [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: 0x55fbc7f8c9c6 - fcat::integration::cat_multiple_files::h9dbb8fadcf0b0848 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8c77a - fcat::integration::cat_multiple_files::{{closure}}::h9b7295f00de11c06 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bd1e - core::ops::function::FnOnce::call_once::hd9e8ec1785eba063 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_multiple_files' 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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8cf49 - fcat::integration::cat_multiple_files::{{closure}}::h7e03da11e0d6d479 [INFO] [stdout] at src/main.rs:115 [INFO] [stdout] 13: 0x55fbc7f8b9b5 - core::ops::function::impls:: for &F>::call::h6960b6d819197d3b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f697e2 - proptest::test_runner::runner::call_test::{{closure}}::h56af7eb2b455aabf [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: 0x55fbc7f8246d - as core::ops::function::FnOnce<()>>::call_once::h5a4f690ecfa36a9c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b5ae - std::panicking::try::do_call::h615ae422395a236b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a549 - std::panicking::try::h9284cdebdcc43c59 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f8287a - std::panic::catch_unwind::hab6e3188dbf0497f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f65f5a - proptest::test_runner::runner::call_test::h9904e4dcc2af8a6a [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: 0x55fbc7f5f104 - proptest::test_runner::runner::TestRunner::shrink::h1dd861c7d2079947 [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: 0x55fbc7f52336 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h3e2ae77ef5f55778 [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: 0x55fbc7f5139e - proptest::test_runner::runner::TestRunner::gen_and_run_case::hcde2e262afe9aa4e [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: 0x55fbc7f5a398 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h4fbba07e590ac4ab [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: 0x55fbc7f4d6fc - proptest::test_runner::runner::TestRunner::run_in_process::hcc91680c073d79d3 [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: 0x55fbc7f5efd8 - proptest::test_runner::runner::TestRunner::run::hd406c8924b10d902 [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: 0x55fbc7f8c9c6 - fcat::integration::cat_multiple_files::h9dbb8fadcf0b0848 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8c77a - fcat::integration::cat_multiple_files::{{closure}}::h9b7295f00de11c06 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bd1e - core::ops::function::FnOnce::call_once::hd9e8ec1785eba063 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_multiple_files' 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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8cf49 - fcat::integration::cat_multiple_files::{{closure}}::h7e03da11e0d6d479 [INFO] [stdout] at src/main.rs:115 [INFO] [stdout] 13: 0x55fbc7f8b9b5 - core::ops::function::impls:: for &F>::call::h6960b6d819197d3b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f697e2 - proptest::test_runner::runner::call_test::{{closure}}::h56af7eb2b455aabf [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: 0x55fbc7f8246d - as core::ops::function::FnOnce<()>>::call_once::h5a4f690ecfa36a9c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b5ae - std::panicking::try::do_call::h615ae422395a236b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a549 - std::panicking::try::h9284cdebdcc43c59 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f8287a - std::panic::catch_unwind::hab6e3188dbf0497f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f65f5a - proptest::test_runner::runner::call_test::h9904e4dcc2af8a6a [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: 0x55fbc7f5f104 - proptest::test_runner::runner::TestRunner::shrink::h1dd861c7d2079947 [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: 0x55fbc7f52336 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h3e2ae77ef5f55778 [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: 0x55fbc7f5139e - proptest::test_runner::runner::TestRunner::gen_and_run_case::hcde2e262afe9aa4e [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: 0x55fbc7f5a398 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h4fbba07e590ac4ab [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: 0x55fbc7f4d6fc - proptest::test_runner::runner::TestRunner::run_in_process::hcc91680c073d79d3 [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: 0x55fbc7f5efd8 - proptest::test_runner::runner::TestRunner::run::hd406c8924b10d902 [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: 0x55fbc7f8c9c6 - fcat::integration::cat_multiple_files::h9dbb8fadcf0b0848 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8c77a - fcat::integration::cat_multiple_files::{{closure}}::h9b7295f00de11c06 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bd1e - core::ops::function::FnOnce::call_once::hd9e8ec1785eba063 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_multiple_files' 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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8cf49 - fcat::integration::cat_multiple_files::{{closure}}::h7e03da11e0d6d479 [INFO] [stdout] at src/main.rs:115 [INFO] [stdout] 13: 0x55fbc7f8b9b5 - core::ops::function::impls:: for &F>::call::h6960b6d819197d3b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f697e2 - proptest::test_runner::runner::call_test::{{closure}}::h56af7eb2b455aabf [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: 0x55fbc7f8246d - as core::ops::function::FnOnce<()>>::call_once::h5a4f690ecfa36a9c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b5ae - std::panicking::try::do_call::h615ae422395a236b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a549 - std::panicking::try::h9284cdebdcc43c59 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f8287a - std::panic::catch_unwind::hab6e3188dbf0497f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f65f5a - proptest::test_runner::runner::call_test::h9904e4dcc2af8a6a [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: 0x55fbc7f5f104 - proptest::test_runner::runner::TestRunner::shrink::h1dd861c7d2079947 [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: 0x55fbc7f52336 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h3e2ae77ef5f55778 [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: 0x55fbc7f5139e - proptest::test_runner::runner::TestRunner::gen_and_run_case::hcde2e262afe9aa4e [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: 0x55fbc7f5a398 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h4fbba07e590ac4ab [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: 0x55fbc7f4d6fc - proptest::test_runner::runner::TestRunner::run_in_process::hcc91680c073d79d3 [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: 0x55fbc7f5efd8 - proptest::test_runner::runner::TestRunner::run::hd406c8924b10d902 [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: 0x55fbc7f8c9c6 - fcat::integration::cat_multiple_files::h9dbb8fadcf0b0848 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8c77a - fcat::integration::cat_multiple_files::{{closure}}::h9b7295f00de11c06 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bd1e - core::ops::function::FnOnce::call_once::hd9e8ec1785eba063 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_multiple_files' 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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8cf49 - fcat::integration::cat_multiple_files::{{closure}}::h7e03da11e0d6d479 [INFO] [stdout] at src/main.rs:115 [INFO] [stdout] 13: 0x55fbc7f8b9b5 - core::ops::function::impls:: for &F>::call::h6960b6d819197d3b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f697e2 - proptest::test_runner::runner::call_test::{{closure}}::h56af7eb2b455aabf [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: 0x55fbc7f8246d - as core::ops::function::FnOnce<()>>::call_once::h5a4f690ecfa36a9c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b5ae - std::panicking::try::do_call::h615ae422395a236b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a549 - std::panicking::try::h9284cdebdcc43c59 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f8287a - std::panic::catch_unwind::hab6e3188dbf0497f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f65f5a - proptest::test_runner::runner::call_test::h9904e4dcc2af8a6a [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: 0x55fbc7f5f104 - proptest::test_runner::runner::TestRunner::shrink::h1dd861c7d2079947 [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: 0x55fbc7f52336 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h3e2ae77ef5f55778 [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: 0x55fbc7f5139e - proptest::test_runner::runner::TestRunner::gen_and_run_case::hcde2e262afe9aa4e [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: 0x55fbc7f5a398 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h4fbba07e590ac4ab [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: 0x55fbc7f4d6fc - proptest::test_runner::runner::TestRunner::run_in_process::hcc91680c073d79d3 [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: 0x55fbc7f5efd8 - proptest::test_runner::runner::TestRunner::run::hd406c8924b10d902 [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: 0x55fbc7f8c9c6 - fcat::integration::cat_multiple_files::h9dbb8fadcf0b0848 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8c77a - fcat::integration::cat_multiple_files::{{closure}}::h9b7295f00de11c06 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bd1e - core::ops::function::FnOnce::call_once::hd9e8ec1785eba063 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_multiple_files' 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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8cf49 - fcat::integration::cat_multiple_files::{{closure}}::h7e03da11e0d6d479 [INFO] [stdout] at src/main.rs:115 [INFO] [stdout] 13: 0x55fbc7f8b9b5 - core::ops::function::impls:: for &F>::call::h6960b6d819197d3b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f697e2 - proptest::test_runner::runner::call_test::{{closure}}::h56af7eb2b455aabf [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: 0x55fbc7f8246d - as core::ops::function::FnOnce<()>>::call_once::h5a4f690ecfa36a9c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b5ae - std::panicking::try::do_call::h615ae422395a236b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a549 - std::panicking::try::h9284cdebdcc43c59 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f8287a - std::panic::catch_unwind::hab6e3188dbf0497f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f65f5a - proptest::test_runner::runner::call_test::h9904e4dcc2af8a6a [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: 0x55fbc7f5f104 - proptest::test_runner::runner::TestRunner::shrink::h1dd861c7d2079947 [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: 0x55fbc7f52336 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h3e2ae77ef5f55778 [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: 0x55fbc7f5139e - proptest::test_runner::runner::TestRunner::gen_and_run_case::hcde2e262afe9aa4e [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: 0x55fbc7f5a398 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h4fbba07e590ac4ab [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: 0x55fbc7f4d6fc - proptest::test_runner::runner::TestRunner::run_in_process::hcc91680c073d79d3 [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: 0x55fbc7f5efd8 - proptest::test_runner::runner::TestRunner::run::hd406c8924b10d902 [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: 0x55fbc7f8c9c6 - fcat::integration::cat_multiple_files::h9dbb8fadcf0b0848 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8c77a - fcat::integration::cat_multiple_files::{{closure}}::h9b7295f00de11c06 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bd1e - core::ops::function::FnOnce::call_once::hd9e8ec1785eba063 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_multiple_files' 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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8cf49 - fcat::integration::cat_multiple_files::{{closure}}::h7e03da11e0d6d479 [INFO] [stdout] at src/main.rs:115 [INFO] [stdout] 13: 0x55fbc7f8b9b5 - core::ops::function::impls:: for &F>::call::h6960b6d819197d3b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f697e2 - proptest::test_runner::runner::call_test::{{closure}}::h56af7eb2b455aabf [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: 0x55fbc7f8246d - as core::ops::function::FnOnce<()>>::call_once::h5a4f690ecfa36a9c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b5ae - std::panicking::try::do_call::h615ae422395a236b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a549 - std::panicking::try::h9284cdebdcc43c59 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f8287a - std::panic::catch_unwind::hab6e3188dbf0497f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f65f5a - proptest::test_runner::runner::call_test::h9904e4dcc2af8a6a [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: 0x55fbc7f5f104 - proptest::test_runner::runner::TestRunner::shrink::h1dd861c7d2079947 [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: 0x55fbc7f52336 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h3e2ae77ef5f55778 [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: 0x55fbc7f5139e - proptest::test_runner::runner::TestRunner::gen_and_run_case::hcde2e262afe9aa4e [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: 0x55fbc7f5a398 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h4fbba07e590ac4ab [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: 0x55fbc7f4d6fc - proptest::test_runner::runner::TestRunner::run_in_process::hcc91680c073d79d3 [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: 0x55fbc7f5efd8 - proptest::test_runner::runner::TestRunner::run::hd406c8924b10d902 [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: 0x55fbc7f8c9c6 - fcat::integration::cat_multiple_files::h9dbb8fadcf0b0848 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8c77a - fcat::integration::cat_multiple_files::{{closure}}::h9b7295f00de11c06 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bd1e - core::ops::function::FnOnce::call_once::hd9e8ec1785eba063 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_multiple_files' 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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8cf49 - fcat::integration::cat_multiple_files::{{closure}}::h7e03da11e0d6d479 [INFO] [stdout] at src/main.rs:115 [INFO] [stdout] 13: 0x55fbc7f8b9b5 - core::ops::function::impls:: for &F>::call::h6960b6d819197d3b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f697e2 - proptest::test_runner::runner::call_test::{{closure}}::h56af7eb2b455aabf [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: 0x55fbc7f8246d - as core::ops::function::FnOnce<()>>::call_once::h5a4f690ecfa36a9c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b5ae - std::panicking::try::do_call::h615ae422395a236b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a549 - std::panicking::try::h9284cdebdcc43c59 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f8287a - std::panic::catch_unwind::hab6e3188dbf0497f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f65f5a - proptest::test_runner::runner::call_test::h9904e4dcc2af8a6a [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: 0x55fbc7f5f104 - proptest::test_runner::runner::TestRunner::shrink::h1dd861c7d2079947 [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: 0x55fbc7f52336 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h3e2ae77ef5f55778 [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: 0x55fbc7f5139e - proptest::test_runner::runner::TestRunner::gen_and_run_case::hcde2e262afe9aa4e [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: 0x55fbc7f5a398 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h4fbba07e590ac4ab [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: 0x55fbc7f4d6fc - proptest::test_runner::runner::TestRunner::run_in_process::hcc91680c073d79d3 [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: 0x55fbc7f5efd8 - proptest::test_runner::runner::TestRunner::run::hd406c8924b10d902 [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: 0x55fbc7f8c9c6 - fcat::integration::cat_multiple_files::h9dbb8fadcf0b0848 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8c77a - fcat::integration::cat_multiple_files::{{closure}}::h9b7295f00de11c06 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bd1e - core::ops::function::FnOnce::call_once::hd9e8ec1785eba063 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_multiple_files' 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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8cf49 - fcat::integration::cat_multiple_files::{{closure}}::h7e03da11e0d6d479 [INFO] [stdout] at src/main.rs:115 [INFO] [stdout] 13: 0x55fbc7f8b9b5 - core::ops::function::impls:: for &F>::call::h6960b6d819197d3b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f697e2 - proptest::test_runner::runner::call_test::{{closure}}::h56af7eb2b455aabf [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: 0x55fbc7f8246d - as core::ops::function::FnOnce<()>>::call_once::h5a4f690ecfa36a9c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b5ae - std::panicking::try::do_call::h615ae422395a236b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a549 - std::panicking::try::h9284cdebdcc43c59 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f8287a - std::panic::catch_unwind::hab6e3188dbf0497f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f65f5a - proptest::test_runner::runner::call_test::h9904e4dcc2af8a6a [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: 0x55fbc7f5f104 - proptest::test_runner::runner::TestRunner::shrink::h1dd861c7d2079947 [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: 0x55fbc7f52336 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h3e2ae77ef5f55778 [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: 0x55fbc7f5139e - proptest::test_runner::runner::TestRunner::gen_and_run_case::hcde2e262afe9aa4e [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: 0x55fbc7f5a398 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h4fbba07e590ac4ab [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: 0x55fbc7f4d6fc - proptest::test_runner::runner::TestRunner::run_in_process::hcc91680c073d79d3 [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: 0x55fbc7f5efd8 - proptest::test_runner::runner::TestRunner::run::hd406c8924b10d902 [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: 0x55fbc7f8c9c6 - fcat::integration::cat_multiple_files::h9dbb8fadcf0b0848 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8c77a - fcat::integration::cat_multiple_files::{{closure}}::h9b7295f00de11c06 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bd1e - core::ops::function::FnOnce::call_once::hd9e8ec1785eba063 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_multiple_files' 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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8cf49 - fcat::integration::cat_multiple_files::{{closure}}::h7e03da11e0d6d479 [INFO] [stdout] at src/main.rs:115 [INFO] [stdout] 13: 0x55fbc7f8b9b5 - core::ops::function::impls:: for &F>::call::h6960b6d819197d3b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f697e2 - proptest::test_runner::runner::call_test::{{closure}}::h56af7eb2b455aabf [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: 0x55fbc7f8246d - as core::ops::function::FnOnce<()>>::call_once::h5a4f690ecfa36a9c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b5ae - std::panicking::try::do_call::h615ae422395a236b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a549 - std::panicking::try::h9284cdebdcc43c59 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f8287a - std::panic::catch_unwind::hab6e3188dbf0497f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f65f5a - proptest::test_runner::runner::call_test::h9904e4dcc2af8a6a [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: 0x55fbc7f5f104 - proptest::test_runner::runner::TestRunner::shrink::h1dd861c7d2079947 [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: 0x55fbc7f52336 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h3e2ae77ef5f55778 [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: 0x55fbc7f5139e - proptest::test_runner::runner::TestRunner::gen_and_run_case::hcde2e262afe9aa4e [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: 0x55fbc7f5a398 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h4fbba07e590ac4ab [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: 0x55fbc7f4d6fc - proptest::test_runner::runner::TestRunner::run_in_process::hcc91680c073d79d3 [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: 0x55fbc7f5efd8 - proptest::test_runner::runner::TestRunner::run::hd406c8924b10d902 [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: 0x55fbc7f8c9c6 - fcat::integration::cat_multiple_files::h9dbb8fadcf0b0848 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8c77a - fcat::integration::cat_multiple_files::{{closure}}::h9b7295f00de11c06 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bd1e - core::ops::function::FnOnce::call_once::hd9e8ec1785eba063 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_multiple_files' 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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8cf49 - fcat::integration::cat_multiple_files::{{closure}}::h7e03da11e0d6d479 [INFO] [stdout] at src/main.rs:115 [INFO] [stdout] 13: 0x55fbc7f8b9b5 - core::ops::function::impls:: for &F>::call::h6960b6d819197d3b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f697e2 - proptest::test_runner::runner::call_test::{{closure}}::h56af7eb2b455aabf [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: 0x55fbc7f8246d - as core::ops::function::FnOnce<()>>::call_once::h5a4f690ecfa36a9c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b5ae - std::panicking::try::do_call::h615ae422395a236b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a549 - std::panicking::try::h9284cdebdcc43c59 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f8287a - std::panic::catch_unwind::hab6e3188dbf0497f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f65f5a - proptest::test_runner::runner::call_test::h9904e4dcc2af8a6a [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: 0x55fbc7f5f104 - proptest::test_runner::runner::TestRunner::shrink::h1dd861c7d2079947 [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: 0x55fbc7f52336 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h3e2ae77ef5f55778 [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: 0x55fbc7f5139e - proptest::test_runner::runner::TestRunner::gen_and_run_case::hcde2e262afe9aa4e [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: 0x55fbc7f5a398 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h4fbba07e590ac4ab [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: 0x55fbc7f4d6fc - proptest::test_runner::runner::TestRunner::run_in_process::hcc91680c073d79d3 [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: 0x55fbc7f5efd8 - proptest::test_runner::runner::TestRunner::run::hd406c8924b10d902 [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: 0x55fbc7f8c9c6 - fcat::integration::cat_multiple_files::h9dbb8fadcf0b0848 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8c77a - fcat::integration::cat_multiple_files::{{closure}}::h9b7295f00de11c06 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bd1e - core::ops::function::FnOnce::call_once::hd9e8ec1785eba063 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_multiple_files' 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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8cf49 - fcat::integration::cat_multiple_files::{{closure}}::h7e03da11e0d6d479 [INFO] [stdout] at src/main.rs:115 [INFO] [stdout] 13: 0x55fbc7f8b9b5 - core::ops::function::impls:: for &F>::call::h6960b6d819197d3b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f697e2 - proptest::test_runner::runner::call_test::{{closure}}::h56af7eb2b455aabf [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: 0x55fbc7f8246d - as core::ops::function::FnOnce<()>>::call_once::h5a4f690ecfa36a9c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b5ae - std::panicking::try::do_call::h615ae422395a236b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a549 - std::panicking::try::h9284cdebdcc43c59 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f8287a - std::panic::catch_unwind::hab6e3188dbf0497f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f65f5a - proptest::test_runner::runner::call_test::h9904e4dcc2af8a6a [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: 0x55fbc7f5f104 - proptest::test_runner::runner::TestRunner::shrink::h1dd861c7d2079947 [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: 0x55fbc7f52336 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h3e2ae77ef5f55778 [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: 0x55fbc7f5139e - proptest::test_runner::runner::TestRunner::gen_and_run_case::hcde2e262afe9aa4e [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: 0x55fbc7f5a398 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h4fbba07e590ac4ab [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: 0x55fbc7f4d6fc - proptest::test_runner::runner::TestRunner::run_in_process::hcc91680c073d79d3 [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: 0x55fbc7f5efd8 - proptest::test_runner::runner::TestRunner::run::hd406c8924b10d902 [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: 0x55fbc7f8c9c6 - fcat::integration::cat_multiple_files::h9dbb8fadcf0b0848 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8c77a - fcat::integration::cat_multiple_files::{{closure}}::h9b7295f00de11c06 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bd1e - core::ops::function::FnOnce::call_once::hd9e8ec1785eba063 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_multiple_files' 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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8cf49 - fcat::integration::cat_multiple_files::{{closure}}::h7e03da11e0d6d479 [INFO] [stdout] at src/main.rs:115 [INFO] [stdout] 13: 0x55fbc7f8b9b5 - core::ops::function::impls:: for &F>::call::h6960b6d819197d3b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f697e2 - proptest::test_runner::runner::call_test::{{closure}}::h56af7eb2b455aabf [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: 0x55fbc7f8246d - as core::ops::function::FnOnce<()>>::call_once::h5a4f690ecfa36a9c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b5ae - std::panicking::try::do_call::h615ae422395a236b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a549 - std::panicking::try::h9284cdebdcc43c59 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f8287a - std::panic::catch_unwind::hab6e3188dbf0497f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f65f5a - proptest::test_runner::runner::call_test::h9904e4dcc2af8a6a [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: 0x55fbc7f5f104 - proptest::test_runner::runner::TestRunner::shrink::h1dd861c7d2079947 [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: 0x55fbc7f52336 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h3e2ae77ef5f55778 [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: 0x55fbc7f5139e - proptest::test_runner::runner::TestRunner::gen_and_run_case::hcde2e262afe9aa4e [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: 0x55fbc7f5a398 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h4fbba07e590ac4ab [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: 0x55fbc7f4d6fc - proptest::test_runner::runner::TestRunner::run_in_process::hcc91680c073d79d3 [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: 0x55fbc7f5efd8 - proptest::test_runner::runner::TestRunner::run::hd406c8924b10d902 [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: 0x55fbc7f8c9c6 - fcat::integration::cat_multiple_files::h9dbb8fadcf0b0848 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8c77a - fcat::integration::cat_multiple_files::{{closure}}::h9b7295f00de11c06 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bd1e - core::ops::function::FnOnce::call_once::hd9e8ec1785eba063 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_multiple_files' 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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8cf49 - fcat::integration::cat_multiple_files::{{closure}}::h7e03da11e0d6d479 [INFO] [stdout] at src/main.rs:115 [INFO] [stdout] 13: 0x55fbc7f8b9b5 - core::ops::function::impls:: for &F>::call::h6960b6d819197d3b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f697e2 - proptest::test_runner::runner::call_test::{{closure}}::h56af7eb2b455aabf [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: 0x55fbc7f8246d - as core::ops::function::FnOnce<()>>::call_once::h5a4f690ecfa36a9c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b5ae - std::panicking::try::do_call::h615ae422395a236b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a549 - std::panicking::try::h9284cdebdcc43c59 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f8287a - std::panic::catch_unwind::hab6e3188dbf0497f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f65f5a - proptest::test_runner::runner::call_test::h9904e4dcc2af8a6a [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: 0x55fbc7f5f104 - proptest::test_runner::runner::TestRunner::shrink::h1dd861c7d2079947 [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: 0x55fbc7f52336 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h3e2ae77ef5f55778 [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: 0x55fbc7f5139e - proptest::test_runner::runner::TestRunner::gen_and_run_case::hcde2e262afe9aa4e [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: 0x55fbc7f5a398 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h4fbba07e590ac4ab [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: 0x55fbc7f4d6fc - proptest::test_runner::runner::TestRunner::run_in_process::hcc91680c073d79d3 [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: 0x55fbc7f5efd8 - proptest::test_runner::runner::TestRunner::run::hd406c8924b10d902 [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: 0x55fbc7f8c9c6 - fcat::integration::cat_multiple_files::h9dbb8fadcf0b0848 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8c77a - fcat::integration::cat_multiple_files::{{closure}}::h9b7295f00de11c06 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bd1e - core::ops::function::FnOnce::call_once::hd9e8ec1785eba063 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_multiple_files' 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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8cf49 - fcat::integration::cat_multiple_files::{{closure}}::h7e03da11e0d6d479 [INFO] [stdout] at src/main.rs:115 [INFO] [stdout] 13: 0x55fbc7f8b9b5 - core::ops::function::impls:: for &F>::call::h6960b6d819197d3b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f697e2 - proptest::test_runner::runner::call_test::{{closure}}::h56af7eb2b455aabf [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: 0x55fbc7f8246d - as core::ops::function::FnOnce<()>>::call_once::h5a4f690ecfa36a9c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b5ae - std::panicking::try::do_call::h615ae422395a236b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a549 - std::panicking::try::h9284cdebdcc43c59 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f8287a - std::panic::catch_unwind::hab6e3188dbf0497f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f65f5a - proptest::test_runner::runner::call_test::h9904e4dcc2af8a6a [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: 0x55fbc7f5f104 - proptest::test_runner::runner::TestRunner::shrink::h1dd861c7d2079947 [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: 0x55fbc7f52336 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h3e2ae77ef5f55778 [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: 0x55fbc7f5139e - proptest::test_runner::runner::TestRunner::gen_and_run_case::hcde2e262afe9aa4e [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: 0x55fbc7f5a398 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h4fbba07e590ac4ab [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: 0x55fbc7f4d6fc - proptest::test_runner::runner::TestRunner::run_in_process::hcc91680c073d79d3 [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: 0x55fbc7f5efd8 - proptest::test_runner::runner::TestRunner::run::hd406c8924b10d902 [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: 0x55fbc7f8c9c6 - fcat::integration::cat_multiple_files::h9dbb8fadcf0b0848 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8c77a - fcat::integration::cat_multiple_files::{{closure}}::h9b7295f00de11c06 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bd1e - core::ops::function::FnOnce::call_once::hd9e8ec1785eba063 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_multiple_files' 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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8cf49 - fcat::integration::cat_multiple_files::{{closure}}::h7e03da11e0d6d479 [INFO] [stdout] at src/main.rs:115 [INFO] [stdout] 13: 0x55fbc7f8b9b5 - core::ops::function::impls:: for &F>::call::h6960b6d819197d3b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f697e2 - proptest::test_runner::runner::call_test::{{closure}}::h56af7eb2b455aabf [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: 0x55fbc7f8246d - as core::ops::function::FnOnce<()>>::call_once::h5a4f690ecfa36a9c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b5ae - std::panicking::try::do_call::h615ae422395a236b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a549 - std::panicking::try::h9284cdebdcc43c59 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f8287a - std::panic::catch_unwind::hab6e3188dbf0497f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f65f5a - proptest::test_runner::runner::call_test::h9904e4dcc2af8a6a [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: 0x55fbc7f5f104 - proptest::test_runner::runner::TestRunner::shrink::h1dd861c7d2079947 [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: 0x55fbc7f52336 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h3e2ae77ef5f55778 [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: 0x55fbc7f5139e - proptest::test_runner::runner::TestRunner::gen_and_run_case::hcde2e262afe9aa4e [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: 0x55fbc7f5a398 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h4fbba07e590ac4ab [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: 0x55fbc7f4d6fc - proptest::test_runner::runner::TestRunner::run_in_process::hcc91680c073d79d3 [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: 0x55fbc7f5efd8 - proptest::test_runner::runner::TestRunner::run::hd406c8924b10d902 [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: 0x55fbc7f8c9c6 - fcat::integration::cat_multiple_files::h9dbb8fadcf0b0848 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8c77a - fcat::integration::cat_multiple_files::{{closure}}::h9b7295f00de11c06 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bd1e - core::ops::function::FnOnce::call_once::hd9e8ec1785eba063 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_multiple_files' 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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8cf49 - fcat::integration::cat_multiple_files::{{closure}}::h7e03da11e0d6d479 [INFO] [stdout] at src/main.rs:115 [INFO] [stdout] 13: 0x55fbc7f8b9b5 - core::ops::function::impls:: for &F>::call::h6960b6d819197d3b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f697e2 - proptest::test_runner::runner::call_test::{{closure}}::h56af7eb2b455aabf [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: 0x55fbc7f8246d - as core::ops::function::FnOnce<()>>::call_once::h5a4f690ecfa36a9c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b5ae - std::panicking::try::do_call::h615ae422395a236b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a549 - std::panicking::try::h9284cdebdcc43c59 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f8287a - std::panic::catch_unwind::hab6e3188dbf0497f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f65f5a - proptest::test_runner::runner::call_test::h9904e4dcc2af8a6a [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: 0x55fbc7f5f104 - proptest::test_runner::runner::TestRunner::shrink::h1dd861c7d2079947 [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: 0x55fbc7f52336 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h3e2ae77ef5f55778 [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: 0x55fbc7f5139e - proptest::test_runner::runner::TestRunner::gen_and_run_case::hcde2e262afe9aa4e [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: 0x55fbc7f5a398 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h4fbba07e590ac4ab [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: 0x55fbc7f4d6fc - proptest::test_runner::runner::TestRunner::run_in_process::hcc91680c073d79d3 [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: 0x55fbc7f5efd8 - proptest::test_runner::runner::TestRunner::run::hd406c8924b10d902 [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: 0x55fbc7f8c9c6 - fcat::integration::cat_multiple_files::h9dbb8fadcf0b0848 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8c77a - fcat::integration::cat_multiple_files::{{closure}}::h9b7295f00de11c06 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bd1e - core::ops::function::FnOnce::call_once::hd9e8ec1785eba063 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_multiple_files' 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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8cf49 - fcat::integration::cat_multiple_files::{{closure}}::h7e03da11e0d6d479 [INFO] [stdout] at src/main.rs:115 [INFO] [stdout] 13: 0x55fbc7f8b9b5 - core::ops::function::impls:: for &F>::call::h6960b6d819197d3b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f697e2 - proptest::test_runner::runner::call_test::{{closure}}::h56af7eb2b455aabf [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: 0x55fbc7f8246d - as core::ops::function::FnOnce<()>>::call_once::h5a4f690ecfa36a9c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b5ae - std::panicking::try::do_call::h615ae422395a236b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a549 - std::panicking::try::h9284cdebdcc43c59 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f8287a - std::panic::catch_unwind::hab6e3188dbf0497f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f65f5a - proptest::test_runner::runner::call_test::h9904e4dcc2af8a6a [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: 0x55fbc7f5f104 - proptest::test_runner::runner::TestRunner::shrink::h1dd861c7d2079947 [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: 0x55fbc7f52336 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h3e2ae77ef5f55778 [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: 0x55fbc7f5139e - proptest::test_runner::runner::TestRunner::gen_and_run_case::hcde2e262afe9aa4e [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: 0x55fbc7f5a398 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h4fbba07e590ac4ab [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: 0x55fbc7f4d6fc - proptest::test_runner::runner::TestRunner::run_in_process::hcc91680c073d79d3 [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: 0x55fbc7f5efd8 - proptest::test_runner::runner::TestRunner::run::hd406c8924b10d902 [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: 0x55fbc7f8c9c6 - fcat::integration::cat_multiple_files::h9dbb8fadcf0b0848 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8c77a - fcat::integration::cat_multiple_files::{{closure}}::h9b7295f00de11c06 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bd1e - core::ops::function::FnOnce::call_once::hd9e8ec1785eba063 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_multiple_files' 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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8cf49 - fcat::integration::cat_multiple_files::{{closure}}::h7e03da11e0d6d479 [INFO] [stdout] at src/main.rs:115 [INFO] [stdout] 13: 0x55fbc7f8b9b5 - core::ops::function::impls:: for &F>::call::h6960b6d819197d3b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f697e2 - proptest::test_runner::runner::call_test::{{closure}}::h56af7eb2b455aabf [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: 0x55fbc7f8246d - as core::ops::function::FnOnce<()>>::call_once::h5a4f690ecfa36a9c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b5ae - std::panicking::try::do_call::h615ae422395a236b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a549 - std::panicking::try::h9284cdebdcc43c59 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f8287a - std::panic::catch_unwind::hab6e3188dbf0497f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f65f5a - proptest::test_runner::runner::call_test::h9904e4dcc2af8a6a [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: 0x55fbc7f5f104 - proptest::test_runner::runner::TestRunner::shrink::h1dd861c7d2079947 [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: 0x55fbc7f52336 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h3e2ae77ef5f55778 [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: 0x55fbc7f5139e - proptest::test_runner::runner::TestRunner::gen_and_run_case::hcde2e262afe9aa4e [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: 0x55fbc7f5a398 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h4fbba07e590ac4ab [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: 0x55fbc7f4d6fc - proptest::test_runner::runner::TestRunner::run_in_process::hcc91680c073d79d3 [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: 0x55fbc7f5efd8 - proptest::test_runner::runner::TestRunner::run::hd406c8924b10d902 [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: 0x55fbc7f8c9c6 - fcat::integration::cat_multiple_files::h9dbb8fadcf0b0848 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8c77a - fcat::integration::cat_multiple_files::{{closure}}::h9b7295f00de11c06 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bd1e - core::ops::function::FnOnce::call_once::hd9e8ec1785eba063 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_multiple_files' 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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8cf49 - fcat::integration::cat_multiple_files::{{closure}}::h7e03da11e0d6d479 [INFO] [stdout] at src/main.rs:115 [INFO] [stdout] 13: 0x55fbc7f8b9b5 - core::ops::function::impls:: for &F>::call::h6960b6d819197d3b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f697e2 - proptest::test_runner::runner::call_test::{{closure}}::h56af7eb2b455aabf [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: 0x55fbc7f8246d - as core::ops::function::FnOnce<()>>::call_once::h5a4f690ecfa36a9c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b5ae - std::panicking::try::do_call::h615ae422395a236b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a549 - std::panicking::try::h9284cdebdcc43c59 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f8287a - std::panic::catch_unwind::hab6e3188dbf0497f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f65f5a - proptest::test_runner::runner::call_test::h9904e4dcc2af8a6a [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: 0x55fbc7f5f104 - proptest::test_runner::runner::TestRunner::shrink::h1dd861c7d2079947 [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: 0x55fbc7f52336 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h3e2ae77ef5f55778 [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: 0x55fbc7f5139e - proptest::test_runner::runner::TestRunner::gen_and_run_case::hcde2e262afe9aa4e [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: 0x55fbc7f5a398 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h4fbba07e590ac4ab [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: 0x55fbc7f4d6fc - proptest::test_runner::runner::TestRunner::run_in_process::hcc91680c073d79d3 [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: 0x55fbc7f5efd8 - proptest::test_runner::runner::TestRunner::run::hd406c8924b10d902 [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: 0x55fbc7f8c9c6 - fcat::integration::cat_multiple_files::h9dbb8fadcf0b0848 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8c77a - fcat::integration::cat_multiple_files::{{closure}}::h9b7295f00de11c06 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bd1e - core::ops::function::FnOnce::call_once::hd9e8ec1785eba063 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_multiple_files' 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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8cf49 - fcat::integration::cat_multiple_files::{{closure}}::h7e03da11e0d6d479 [INFO] [stdout] at src/main.rs:115 [INFO] [stdout] 13: 0x55fbc7f8b9b5 - core::ops::function::impls:: for &F>::call::h6960b6d819197d3b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f697e2 - proptest::test_runner::runner::call_test::{{closure}}::h56af7eb2b455aabf [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: 0x55fbc7f8246d - as core::ops::function::FnOnce<()>>::call_once::h5a4f690ecfa36a9c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b5ae - std::panicking::try::do_call::h615ae422395a236b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a549 - std::panicking::try::h9284cdebdcc43c59 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f8287a - std::panic::catch_unwind::hab6e3188dbf0497f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f65f5a - proptest::test_runner::runner::call_test::h9904e4dcc2af8a6a [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: 0x55fbc7f5f104 - proptest::test_runner::runner::TestRunner::shrink::h1dd861c7d2079947 [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: 0x55fbc7f52336 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h3e2ae77ef5f55778 [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: 0x55fbc7f5139e - proptest::test_runner::runner::TestRunner::gen_and_run_case::hcde2e262afe9aa4e [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: 0x55fbc7f5a398 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h4fbba07e590ac4ab [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: 0x55fbc7f4d6fc - proptest::test_runner::runner::TestRunner::run_in_process::hcc91680c073d79d3 [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: 0x55fbc7f5efd8 - proptest::test_runner::runner::TestRunner::run::hd406c8924b10d902 [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: 0x55fbc7f8c9c6 - fcat::integration::cat_multiple_files::h9dbb8fadcf0b0848 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8c77a - fcat::integration::cat_multiple_files::{{closure}}::h9b7295f00de11c06 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bd1e - core::ops::function::FnOnce::call_once::hd9e8ec1785eba063 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_multiple_files' 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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8cf49 - fcat::integration::cat_multiple_files::{{closure}}::h7e03da11e0d6d479 [INFO] [stdout] at src/main.rs:115 [INFO] [stdout] 13: 0x55fbc7f8b9b5 - core::ops::function::impls:: for &F>::call::h6960b6d819197d3b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f697e2 - proptest::test_runner::runner::call_test::{{closure}}::h56af7eb2b455aabf [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: 0x55fbc7f8246d - as core::ops::function::FnOnce<()>>::call_once::h5a4f690ecfa36a9c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b5ae - std::panicking::try::do_call::h615ae422395a236b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a549 - std::panicking::try::h9284cdebdcc43c59 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f8287a - std::panic::catch_unwind::hab6e3188dbf0497f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f65f5a - proptest::test_runner::runner::call_test::h9904e4dcc2af8a6a [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: 0x55fbc7f5f104 - proptest::test_runner::runner::TestRunner::shrink::h1dd861c7d2079947 [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: 0x55fbc7f52336 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h3e2ae77ef5f55778 [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: 0x55fbc7f5139e - proptest::test_runner::runner::TestRunner::gen_and_run_case::hcde2e262afe9aa4e [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: 0x55fbc7f5a398 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h4fbba07e590ac4ab [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: 0x55fbc7f4d6fc - proptest::test_runner::runner::TestRunner::run_in_process::hcc91680c073d79d3 [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: 0x55fbc7f5efd8 - proptest::test_runner::runner::TestRunner::run::hd406c8924b10d902 [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: 0x55fbc7f8c9c6 - fcat::integration::cat_multiple_files::h9dbb8fadcf0b0848 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8c77a - fcat::integration::cat_multiple_files::{{closure}}::h9b7295f00de11c06 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bd1e - core::ops::function::FnOnce::call_once::hd9e8ec1785eba063 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_multiple_files' 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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8cf49 - fcat::integration::cat_multiple_files::{{closure}}::h7e03da11e0d6d479 [INFO] [stdout] at src/main.rs:115 [INFO] [stdout] 13: 0x55fbc7f8b9b5 - core::ops::function::impls:: for &F>::call::h6960b6d819197d3b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f697e2 - proptest::test_runner::runner::call_test::{{closure}}::h56af7eb2b455aabf [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: 0x55fbc7f8246d - as core::ops::function::FnOnce<()>>::call_once::h5a4f690ecfa36a9c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b5ae - std::panicking::try::do_call::h615ae422395a236b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a549 - std::panicking::try::h9284cdebdcc43c59 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f8287a - std::panic::catch_unwind::hab6e3188dbf0497f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f65f5a - proptest::test_runner::runner::call_test::h9904e4dcc2af8a6a [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: 0x55fbc7f5f104 - proptest::test_runner::runner::TestRunner::shrink::h1dd861c7d2079947 [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: 0x55fbc7f52336 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h3e2ae77ef5f55778 [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: 0x55fbc7f5139e - proptest::test_runner::runner::TestRunner::gen_and_run_case::hcde2e262afe9aa4e [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: 0x55fbc7f5a398 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h4fbba07e590ac4ab [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: 0x55fbc7f4d6fc - proptest::test_runner::runner::TestRunner::run_in_process::hcc91680c073d79d3 [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: 0x55fbc7f5efd8 - proptest::test_runner::runner::TestRunner::run::hd406c8924b10d902 [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: 0x55fbc7f8c9c6 - fcat::integration::cat_multiple_files::h9dbb8fadcf0b0848 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8c77a - fcat::integration::cat_multiple_files::{{closure}}::h9b7295f00de11c06 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bd1e - core::ops::function::FnOnce::call_once::hd9e8ec1785eba063 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_multiple_files' 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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8cf49 - fcat::integration::cat_multiple_files::{{closure}}::h7e03da11e0d6d479 [INFO] [stdout] at src/main.rs:115 [INFO] [stdout] 13: 0x55fbc7f8b9b5 - core::ops::function::impls:: for &F>::call::h6960b6d819197d3b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f697e2 - proptest::test_runner::runner::call_test::{{closure}}::h56af7eb2b455aabf [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: 0x55fbc7f8246d - as core::ops::function::FnOnce<()>>::call_once::h5a4f690ecfa36a9c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b5ae - std::panicking::try::do_call::h615ae422395a236b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a549 - std::panicking::try::h9284cdebdcc43c59 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f8287a - std::panic::catch_unwind::hab6e3188dbf0497f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f65f5a - proptest::test_runner::runner::call_test::h9904e4dcc2af8a6a [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: 0x55fbc7f5f104 - proptest::test_runner::runner::TestRunner::shrink::h1dd861c7d2079947 [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: 0x55fbc7f52336 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h3e2ae77ef5f55778 [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: 0x55fbc7f5139e - proptest::test_runner::runner::TestRunner::gen_and_run_case::hcde2e262afe9aa4e [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: 0x55fbc7f5a398 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h4fbba07e590ac4ab [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: 0x55fbc7f4d6fc - proptest::test_runner::runner::TestRunner::run_in_process::hcc91680c073d79d3 [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: 0x55fbc7f5efd8 - proptest::test_runner::runner::TestRunner::run::hd406c8924b10d902 [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: 0x55fbc7f8c9c6 - fcat::integration::cat_multiple_files::h9dbb8fadcf0b0848 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8c77a - fcat::integration::cat_multiple_files::{{closure}}::h9b7295f00de11c06 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bd1e - core::ops::function::FnOnce::call_once::hd9e8ec1785eba063 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_multiple_files' 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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8cf49 - fcat::integration::cat_multiple_files::{{closure}}::h7e03da11e0d6d479 [INFO] [stdout] at src/main.rs:115 [INFO] [stdout] 13: 0x55fbc7f8b9b5 - core::ops::function::impls:: for &F>::call::h6960b6d819197d3b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f697e2 - proptest::test_runner::runner::call_test::{{closure}}::h56af7eb2b455aabf [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: 0x55fbc7f8246d - as core::ops::function::FnOnce<()>>::call_once::h5a4f690ecfa36a9c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b5ae - std::panicking::try::do_call::h615ae422395a236b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a549 - std::panicking::try::h9284cdebdcc43c59 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f8287a - std::panic::catch_unwind::hab6e3188dbf0497f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f65f5a - proptest::test_runner::runner::call_test::h9904e4dcc2af8a6a [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: 0x55fbc7f5f104 - proptest::test_runner::runner::TestRunner::shrink::h1dd861c7d2079947 [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: 0x55fbc7f52336 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h3e2ae77ef5f55778 [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: 0x55fbc7f5139e - proptest::test_runner::runner::TestRunner::gen_and_run_case::hcde2e262afe9aa4e [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: 0x55fbc7f5a398 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h4fbba07e590ac4ab [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: 0x55fbc7f4d6fc - proptest::test_runner::runner::TestRunner::run_in_process::hcc91680c073d79d3 [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: 0x55fbc7f5efd8 - proptest::test_runner::runner::TestRunner::run::hd406c8924b10d902 [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: 0x55fbc7f8c9c6 - fcat::integration::cat_multiple_files::h9dbb8fadcf0b0848 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8c77a - fcat::integration::cat_multiple_files::{{closure}}::h9b7295f00de11c06 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bd1e - core::ops::function::FnOnce::call_once::hd9e8ec1785eba063 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_multiple_files' 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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8cf49 - fcat::integration::cat_multiple_files::{{closure}}::h7e03da11e0d6d479 [INFO] [stdout] at src/main.rs:115 [INFO] [stdout] 13: 0x55fbc7f8b9b5 - core::ops::function::impls:: for &F>::call::h6960b6d819197d3b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f697e2 - proptest::test_runner::runner::call_test::{{closure}}::h56af7eb2b455aabf [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: 0x55fbc7f8246d - as core::ops::function::FnOnce<()>>::call_once::h5a4f690ecfa36a9c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b5ae - std::panicking::try::do_call::h615ae422395a236b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a549 - std::panicking::try::h9284cdebdcc43c59 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f8287a - std::panic::catch_unwind::hab6e3188dbf0497f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f65f5a - proptest::test_runner::runner::call_test::h9904e4dcc2af8a6a [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: 0x55fbc7f5f104 - proptest::test_runner::runner::TestRunner::shrink::h1dd861c7d2079947 [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: 0x55fbc7f52336 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h3e2ae77ef5f55778 [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: 0x55fbc7f5139e - proptest::test_runner::runner::TestRunner::gen_and_run_case::hcde2e262afe9aa4e [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: 0x55fbc7f5a398 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h4fbba07e590ac4ab [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: 0x55fbc7f4d6fc - proptest::test_runner::runner::TestRunner::run_in_process::hcc91680c073d79d3 [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: 0x55fbc7f5efd8 - proptest::test_runner::runner::TestRunner::run::hd406c8924b10d902 [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: 0x55fbc7f8c9c6 - fcat::integration::cat_multiple_files::h9dbb8fadcf0b0848 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8c77a - fcat::integration::cat_multiple_files::{{closure}}::h9b7295f00de11c06 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bd1e - core::ops::function::FnOnce::call_once::hd9e8ec1785eba063 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_multiple_files' 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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8cf49 - fcat::integration::cat_multiple_files::{{closure}}::h7e03da11e0d6d479 [INFO] [stdout] at src/main.rs:115 [INFO] [stdout] 13: 0x55fbc7f8b9b5 - core::ops::function::impls:: for &F>::call::h6960b6d819197d3b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f697e2 - proptest::test_runner::runner::call_test::{{closure}}::h56af7eb2b455aabf [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: 0x55fbc7f8246d - as core::ops::function::FnOnce<()>>::call_once::h5a4f690ecfa36a9c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b5ae - std::panicking::try::do_call::h615ae422395a236b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a549 - std::panicking::try::h9284cdebdcc43c59 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f8287a - std::panic::catch_unwind::hab6e3188dbf0497f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f65f5a - proptest::test_runner::runner::call_test::h9904e4dcc2af8a6a [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: 0x55fbc7f5f104 - proptest::test_runner::runner::TestRunner::shrink::h1dd861c7d2079947 [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: 0x55fbc7f52336 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h3e2ae77ef5f55778 [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: 0x55fbc7f5139e - proptest::test_runner::runner::TestRunner::gen_and_run_case::hcde2e262afe9aa4e [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: 0x55fbc7f5a398 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h4fbba07e590ac4ab [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: 0x55fbc7f4d6fc - proptest::test_runner::runner::TestRunner::run_in_process::hcc91680c073d79d3 [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: 0x55fbc7f5efd8 - proptest::test_runner::runner::TestRunner::run::hd406c8924b10d902 [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: 0x55fbc7f8c9c6 - fcat::integration::cat_multiple_files::h9dbb8fadcf0b0848 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8c77a - fcat::integration::cat_multiple_files::{{closure}}::h9b7295f00de11c06 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bd1e - core::ops::function::FnOnce::call_once::hd9e8ec1785eba063 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_multiple_files' 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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8cf49 - fcat::integration::cat_multiple_files::{{closure}}::h7e03da11e0d6d479 [INFO] [stdout] at src/main.rs:115 [INFO] [stdout] 13: 0x55fbc7f8b9b5 - core::ops::function::impls:: for &F>::call::h6960b6d819197d3b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f697e2 - proptest::test_runner::runner::call_test::{{closure}}::h56af7eb2b455aabf [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: 0x55fbc7f8246d - as core::ops::function::FnOnce<()>>::call_once::h5a4f690ecfa36a9c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b5ae - std::panicking::try::do_call::h615ae422395a236b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a549 - std::panicking::try::h9284cdebdcc43c59 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f8287a - std::panic::catch_unwind::hab6e3188dbf0497f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f65f5a - proptest::test_runner::runner::call_test::h9904e4dcc2af8a6a [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: 0x55fbc7f5f104 - proptest::test_runner::runner::TestRunner::shrink::h1dd861c7d2079947 [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: 0x55fbc7f52336 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h3e2ae77ef5f55778 [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: 0x55fbc7f5139e - proptest::test_runner::runner::TestRunner::gen_and_run_case::hcde2e262afe9aa4e [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: 0x55fbc7f5a398 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h4fbba07e590ac4ab [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: 0x55fbc7f4d6fc - proptest::test_runner::runner::TestRunner::run_in_process::hcc91680c073d79d3 [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: 0x55fbc7f5efd8 - proptest::test_runner::runner::TestRunner::run::hd406c8924b10d902 [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: 0x55fbc7f8c9c6 - fcat::integration::cat_multiple_files::h9dbb8fadcf0b0848 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8c77a - fcat::integration::cat_multiple_files::{{closure}}::h9b7295f00de11c06 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bd1e - core::ops::function::FnOnce::call_once::hd9e8ec1785eba063 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_multiple_files' 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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8cf49 - fcat::integration::cat_multiple_files::{{closure}}::h7e03da11e0d6d479 [INFO] [stdout] at src/main.rs:115 [INFO] [stdout] 13: 0x55fbc7f8b9b5 - core::ops::function::impls:: for &F>::call::h6960b6d819197d3b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f697e2 - proptest::test_runner::runner::call_test::{{closure}}::h56af7eb2b455aabf [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: 0x55fbc7f8246d - as core::ops::function::FnOnce<()>>::call_once::h5a4f690ecfa36a9c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b5ae - std::panicking::try::do_call::h615ae422395a236b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a549 - std::panicking::try::h9284cdebdcc43c59 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f8287a - std::panic::catch_unwind::hab6e3188dbf0497f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f65f5a - proptest::test_runner::runner::call_test::h9904e4dcc2af8a6a [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: 0x55fbc7f5f104 - proptest::test_runner::runner::TestRunner::shrink::h1dd861c7d2079947 [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: 0x55fbc7f52336 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h3e2ae77ef5f55778 [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: 0x55fbc7f5139e - proptest::test_runner::runner::TestRunner::gen_and_run_case::hcde2e262afe9aa4e [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: 0x55fbc7f5a398 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h4fbba07e590ac4ab [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: 0x55fbc7f4d6fc - proptest::test_runner::runner::TestRunner::run_in_process::hcc91680c073d79d3 [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: 0x55fbc7f5efd8 - proptest::test_runner::runner::TestRunner::run::hd406c8924b10d902 [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: 0x55fbc7f8c9c6 - fcat::integration::cat_multiple_files::h9dbb8fadcf0b0848 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8c77a - fcat::integration::cat_multiple_files::{{closure}}::h9b7295f00de11c06 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bd1e - core::ops::function::FnOnce::call_once::hd9e8ec1785eba063 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_multiple_files' 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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8cf49 - fcat::integration::cat_multiple_files::{{closure}}::h7e03da11e0d6d479 [INFO] [stdout] at src/main.rs:115 [INFO] [stdout] 13: 0x55fbc7f8b9b5 - core::ops::function::impls:: for &F>::call::h6960b6d819197d3b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f697e2 - proptest::test_runner::runner::call_test::{{closure}}::h56af7eb2b455aabf [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: 0x55fbc7f8246d - as core::ops::function::FnOnce<()>>::call_once::h5a4f690ecfa36a9c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b5ae - std::panicking::try::do_call::h615ae422395a236b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a549 - std::panicking::try::h9284cdebdcc43c59 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f8287a - std::panic::catch_unwind::hab6e3188dbf0497f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f65f5a - proptest::test_runner::runner::call_test::h9904e4dcc2af8a6a [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: 0x55fbc7f5f104 - proptest::test_runner::runner::TestRunner::shrink::h1dd861c7d2079947 [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: 0x55fbc7f52336 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h3e2ae77ef5f55778 [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: 0x55fbc7f5139e - proptest::test_runner::runner::TestRunner::gen_and_run_case::hcde2e262afe9aa4e [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: 0x55fbc7f5a398 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h4fbba07e590ac4ab [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: 0x55fbc7f4d6fc - proptest::test_runner::runner::TestRunner::run_in_process::hcc91680c073d79d3 [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: 0x55fbc7f5efd8 - proptest::test_runner::runner::TestRunner::run::hd406c8924b10d902 [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: 0x55fbc7f8c9c6 - fcat::integration::cat_multiple_files::h9dbb8fadcf0b0848 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8c77a - fcat::integration::cat_multiple_files::{{closure}}::h9b7295f00de11c06 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bd1e - core::ops::function::FnOnce::call_once::hd9e8ec1785eba063 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_multiple_files' 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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8cf49 - fcat::integration::cat_multiple_files::{{closure}}::h7e03da11e0d6d479 [INFO] [stdout] at src/main.rs:115 [INFO] [stdout] 13: 0x55fbc7f8b9b5 - core::ops::function::impls:: for &F>::call::h6960b6d819197d3b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f697e2 - proptest::test_runner::runner::call_test::{{closure}}::h56af7eb2b455aabf [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: 0x55fbc7f8246d - as core::ops::function::FnOnce<()>>::call_once::h5a4f690ecfa36a9c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b5ae - std::panicking::try::do_call::h615ae422395a236b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a549 - std::panicking::try::h9284cdebdcc43c59 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f8287a - std::panic::catch_unwind::hab6e3188dbf0497f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f65f5a - proptest::test_runner::runner::call_test::h9904e4dcc2af8a6a [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: 0x55fbc7f5f104 - proptest::test_runner::runner::TestRunner::shrink::h1dd861c7d2079947 [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: 0x55fbc7f52336 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h3e2ae77ef5f55778 [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: 0x55fbc7f5139e - proptest::test_runner::runner::TestRunner::gen_and_run_case::hcde2e262afe9aa4e [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: 0x55fbc7f5a398 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h4fbba07e590ac4ab [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: 0x55fbc7f4d6fc - proptest::test_runner::runner::TestRunner::run_in_process::hcc91680c073d79d3 [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: 0x55fbc7f5efd8 - proptest::test_runner::runner::TestRunner::run::hd406c8924b10d902 [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: 0x55fbc7f8c9c6 - fcat::integration::cat_multiple_files::h9dbb8fadcf0b0848 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8c77a - fcat::integration::cat_multiple_files::{{closure}}::h9b7295f00de11c06 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bd1e - core::ops::function::FnOnce::call_once::hd9e8ec1785eba063 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_multiple_files' 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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8cf49 - fcat::integration::cat_multiple_files::{{closure}}::h7e03da11e0d6d479 [INFO] [stdout] at src/main.rs:115 [INFO] [stdout] 13: 0x55fbc7f8b9b5 - core::ops::function::impls:: for &F>::call::h6960b6d819197d3b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f697e2 - proptest::test_runner::runner::call_test::{{closure}}::h56af7eb2b455aabf [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: 0x55fbc7f8246d - as core::ops::function::FnOnce<()>>::call_once::h5a4f690ecfa36a9c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b5ae - std::panicking::try::do_call::h615ae422395a236b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a549 - std::panicking::try::h9284cdebdcc43c59 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f8287a - std::panic::catch_unwind::hab6e3188dbf0497f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f65f5a - proptest::test_runner::runner::call_test::h9904e4dcc2af8a6a [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: 0x55fbc7f5f104 - proptest::test_runner::runner::TestRunner::shrink::h1dd861c7d2079947 [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: 0x55fbc7f52336 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h3e2ae77ef5f55778 [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: 0x55fbc7f5139e - proptest::test_runner::runner::TestRunner::gen_and_run_case::hcde2e262afe9aa4e [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: 0x55fbc7f5a398 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h4fbba07e590ac4ab [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: 0x55fbc7f4d6fc - proptest::test_runner::runner::TestRunner::run_in_process::hcc91680c073d79d3 [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: 0x55fbc7f5efd8 - proptest::test_runner::runner::TestRunner::run::hd406c8924b10d902 [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: 0x55fbc7f8c9c6 - fcat::integration::cat_multiple_files::h9dbb8fadcf0b0848 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8c77a - fcat::integration::cat_multiple_files::{{closure}}::h9b7295f00de11c06 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bd1e - core::ops::function::FnOnce::call_once::hd9e8ec1785eba063 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_multiple_files' 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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8cf49 - fcat::integration::cat_multiple_files::{{closure}}::h7e03da11e0d6d479 [INFO] [stdout] at src/main.rs:115 [INFO] [stdout] 13: 0x55fbc7f8b9b5 - core::ops::function::impls:: for &F>::call::h6960b6d819197d3b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f697e2 - proptest::test_runner::runner::call_test::{{closure}}::h56af7eb2b455aabf [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: 0x55fbc7f8246d - as core::ops::function::FnOnce<()>>::call_once::h5a4f690ecfa36a9c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b5ae - std::panicking::try::do_call::h615ae422395a236b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a549 - std::panicking::try::h9284cdebdcc43c59 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f8287a - std::panic::catch_unwind::hab6e3188dbf0497f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f65f5a - proptest::test_runner::runner::call_test::h9904e4dcc2af8a6a [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: 0x55fbc7f5f104 - proptest::test_runner::runner::TestRunner::shrink::h1dd861c7d2079947 [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: 0x55fbc7f52336 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h3e2ae77ef5f55778 [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: 0x55fbc7f5139e - proptest::test_runner::runner::TestRunner::gen_and_run_case::hcde2e262afe9aa4e [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: 0x55fbc7f5a398 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h4fbba07e590ac4ab [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: 0x55fbc7f4d6fc - proptest::test_runner::runner::TestRunner::run_in_process::hcc91680c073d79d3 [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: 0x55fbc7f5efd8 - proptest::test_runner::runner::TestRunner::run::hd406c8924b10d902 [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: 0x55fbc7f8c9c6 - fcat::integration::cat_multiple_files::h9dbb8fadcf0b0848 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8c77a - fcat::integration::cat_multiple_files::{{closure}}::h9b7295f00de11c06 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bd1e - core::ops::function::FnOnce::call_once::hd9e8ec1785eba063 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_multiple_files' 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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8cf49 - fcat::integration::cat_multiple_files::{{closure}}::h7e03da11e0d6d479 [INFO] [stdout] at src/main.rs:115 [INFO] [stdout] 13: 0x55fbc7f8b9b5 - core::ops::function::impls:: for &F>::call::h6960b6d819197d3b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f697e2 - proptest::test_runner::runner::call_test::{{closure}}::h56af7eb2b455aabf [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: 0x55fbc7f8246d - as core::ops::function::FnOnce<()>>::call_once::h5a4f690ecfa36a9c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b5ae - std::panicking::try::do_call::h615ae422395a236b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a549 - std::panicking::try::h9284cdebdcc43c59 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f8287a - std::panic::catch_unwind::hab6e3188dbf0497f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f65f5a - proptest::test_runner::runner::call_test::h9904e4dcc2af8a6a [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: 0x55fbc7f5f104 - proptest::test_runner::runner::TestRunner::shrink::h1dd861c7d2079947 [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: 0x55fbc7f52336 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h3e2ae77ef5f55778 [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: 0x55fbc7f5139e - proptest::test_runner::runner::TestRunner::gen_and_run_case::hcde2e262afe9aa4e [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: 0x55fbc7f5a398 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h4fbba07e590ac4ab [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: 0x55fbc7f4d6fc - proptest::test_runner::runner::TestRunner::run_in_process::hcc91680c073d79d3 [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: 0x55fbc7f5efd8 - proptest::test_runner::runner::TestRunner::run::hd406c8924b10d902 [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: 0x55fbc7f8c9c6 - fcat::integration::cat_multiple_files::h9dbb8fadcf0b0848 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:18 [INFO] [stdout] 28: 0x55fbc7f8c77a - fcat::integration::cat_multiple_files::{{closure}}::h9b7295f00de11c06 [INFO] [stdout] at /opt/crater/workdir/<::proptest::sugar::proptest macros>:15 [INFO] [stdout] 29: 0x55fbc7f7bd1e - core::ops::function::FnOnce::call_once::hd9e8ec1785eba063 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55fbc7fa719f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 32: 0x55fbc7fc1b78 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 33: 0x55fbc7fc1b78 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 34: 0x55fbc7fc1b78 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 35: 0x55fbc7f9c715 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 36: 0x55fbc7fa06a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 37: 0x55fbc7fa06a5 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 38: 0x55fbc7fa06a5 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 39: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 40: 0x55fbc7fa0cc2 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 41: 0x55fbc7fa0cc2 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 42: 0x55fbc7fa0cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 43: 0x55fbc7fa0cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 44: 0x55fbc80cf35f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x55fbc80e3d40 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 46: 0x55fbc80e3d40 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 47: 0x55fbc80e3d40 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 48: 0x7fac18e5f4a4 - start_thread [INFO] [stdout] 49: 0x7fac1898ad0f - __clone [INFO] [stdout] 50: 0x0 - [INFO] [stdout] thread 'integration::cat_multiple_files' 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: 0x55fbc80dc5cb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55fbc80dc5cb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55fbc80dc5cb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55fbc80dc5cb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55fbc80dc5cb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x55fbc80dc25f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x55fbc80dcd40 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x55fbc80dc8c2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x55fbc80dc7a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x55fbc80fb37d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55fbc7f6b513 - core::result::unwrap_failed::h8f2e93d644b9943f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55fbc7f749b4 - core::result::Result::unwrap::hbc057d39b170c765 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55fbc7f8cf49 - fcat::integration::cat_multiple_files::{{closure}}::h7e03da11e0d6d479 [INFO] [stdout] at src/main.rs:115 [INFO] [stdout] 13: 0x55fbc7f8b9b5 - core::ops::function::impls:: for &F>::call::h6960b6d819197d3b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:240 [INFO] [stdout] 14: 0x55fbc7f697e2 - proptest::test_runner::runner::call_test::{{closure}}::h56af7eb2b455aabf [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: 0x55fbc7f8246d - as core::ops::function::FnOnce<()>>::call_once::h5a4f690ecfa36a9c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 16: 0x55fbc7f8b5ae - std::panicking::try::do_call::h615ae422395a236b [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 17: 0x55fbc80e45fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x55fbc7f8a549 - std::panicking::try::h9284cdebdcc43c59 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 19: 0x55fbc7f8287a - std::panic::catch_unwind::hab6e3188dbf0497f [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 20: 0x55fbc7f65f5a - proptest::test_runner::runner::call_test::h9904e4dcc2af8a6a [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: 0x55fbc7f5f104 - proptest::test_runner::runner::TestRunner::shrink::h1dd861c7d2079947 [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: 0x55fbc7f52336 - proptest::test_runner::runner::TestRunner::run_one_with_replay::h3e2ae77ef5f55778 [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: 0x55fbc7f5139e - proptest::test_runner::runner::TestRunner::gen_and_run_case::hcde2e262afe9aa4e [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: 0x55fbc7f5a398 - proptest::test_runner::runner::TestRunner::run_in_process_with_replay::h4fbba07e590ac4ab [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: 0x55fbc7f4d6fc - proptest::test_runner::runner::TestRunner::run_in_process::hcc91680c073d79d3 [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: 0x55fbc7f5efd8 - proptest::test_runner::runner::TestRunner::run::hd406c8924b10d902 [WARN] too many lines in the log, truncating it