[INFO] updating cached repository wraithan/cargo-bump
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/wraithan/cargo-bump
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/wraithan/cargo-bump" "work/ex/beta-1.37-6/sources/1.36.0/gh/wraithan/cargo-bump"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/wraithan/cargo-bump'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/wraithan/cargo-bump" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/wraithan/cargo-bump"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/wraithan/cargo-bump'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 85c8a2f055877598a124176d089d984524a31812
[INFO] sha for GitHub repo wraithan/cargo-bump: 85c8a2f055877598a124176d089d984524a31812
[INFO] validating manifest of wraithan/cargo-bump on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of wraithan/cargo-bump on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing wraithan/cargo-bump
[INFO] finished frobbing wraithan/cargo-bump
[INFO] frobbed toml for wraithan/cargo-bump written to work/ex/beta-1.37-6/sources/1.36.0/gh/wraithan/cargo-bump/Cargo.toml
[INFO] started frobbing wraithan/cargo-bump
[INFO] finished frobbing wraithan/cargo-bump
[INFO] frobbed toml for wraithan/cargo-bump written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/wraithan/cargo-bump/Cargo.toml
[INFO] crate wraithan/cargo-bump already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing wraithan/cargo-bump against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/wraithan/cargo-bump:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] c50dc87c02239b3213f943fe3c9ff840b14e59c7ebae25cb0c0204ef31054c63
[INFO] running `"docker" "start" "-a" "c50dc87c02239b3213f943fe3c9ff840b14e59c7ebae25cb0c0204ef31054c63"`
[INFO] [stderr]    Compiling libc v0.2.47
[INFO] [stderr]    Compiling proc-macro2 v0.4.26
[INFO] [stderr]    Compiling memchr v2.1.3
[INFO] [stderr]    Compiling serde v1.0.85
[INFO] [stderr]    Compiling byteorder v1.3.0
[INFO] [stderr]    Compiling ascii v0.9.1
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling combine v3.6.6
[INFO] [stderr]    Compiling error-chain v0.12.0
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.85
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling serde_json v1.0.36
[INFO] [stderr]    Compiling cargo_metadata v0.7.0
[INFO] [stderr]    Compiling toml_edit v0.1.3
[INFO] [stderr] warning[E0502]: cannot borrow `v` as immutable because it is also borrowed as mutable
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/toml_edit-0.1.3/src/index.rs:55:65
[INFO] [stderr]    |
[INFO] [stderr] 44 |       fn index_or_insert<'v>(&self, v: &'v mut Item) -> &'v mut Item {
[INFO] [stderr]    |                          -- lifetime `'v` defined here
[INFO] [stderr] 45 | /         match *v {
[INFO] [stderr] 46 | |             Item::ArrayOfTables(ref mut vec) => {
[INFO] [stderr] 47 | |                 vec.values.get_mut(*self).expect("index out of bounds")
[INFO] [stderr] 48 | |             }
[INFO] [stderr] 49 | |             Item::Value(ref mut a) if a.is_array() => a
[INFO] [stderr]    | |                         --------- mutable borrow occurs here
[INFO] [stderr] ...  |
[INFO] [stderr] 55 | |             _ => panic!("cannot access index {} in {:?}", self, v),
[INFO] [stderr]    | |                                                                 ^ immutable borrow occurs here
[INFO] [stderr] 56 | |         }
[INFO] [stderr]    | |_________- returning this value requires that `v.0` is borrowed for `'v`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]    = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr] 
[INFO] [stderr] warning[E0502]: cannot borrow `v` as immutable because it is also borrowed as mutable
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/toml_edit-0.1.3/src/index.rs:88:63
[INFO] [stderr]    |
[INFO] [stderr] 70 |       fn index_or_insert<'v>(&self, v: &'v mut Item) -> &'v mut Item {
[INFO] [stderr]    |                          -- lifetime `'v` defined here
[INFO] [stderr] ...
[INFO] [stderr] 77 | /         match *v {
[INFO] [stderr] 78 | |             Item::Table(ref mut t) => t.entry(self).or_insert(Item::None),
[INFO] [stderr] 79 | |             Item::Value(ref mut v) if v.is_inline_table() => {
[INFO] [stderr]    | |                         --------- mutable borrow occurs here
[INFO] [stderr] 80 | |                 &mut v
[INFO] [stderr] ...  |
[INFO] [stderr] 88 | |             _ => panic!("cannot access key {} in {:?}", self, v),
[INFO] [stderr]    | |                                                               ^ immutable borrow occurs here
[INFO] [stderr] 89 | |         }
[INFO] [stderr]    | |_________- returning this value requires that `v.0` is borrowed for `'v`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]    = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr] 
[INFO] [stderr]    Compiling cargo-bump v1.0.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 24s
[INFO] running `"docker" "inspect" "c50dc87c02239b3213f943fe3c9ff840b14e59c7ebae25cb0c0204ef31054c63"`
[INFO] running `"docker" "rm" "-f" "c50dc87c02239b3213f943fe3c9ff840b14e59c7ebae25cb0c0204ef31054c63"`
[INFO] [stdout] c50dc87c02239b3213f943fe3c9ff840b14e59c7ebae25cb0c0204ef31054c63
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/wraithan/cargo-bump:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] c16e2bac3e75ebae9763c555be9708bca36e2474a144fbc077bfd71d30f46ead
[INFO] running `"docker" "start" "-a" "c16e2bac3e75ebae9763c555be9708bca36e2474a144fbc077bfd71d30f46ead"`
[INFO] [stderr]    Compiling cargo-bump v1.0.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.42s
[INFO] running `"docker" "inspect" "c16e2bac3e75ebae9763c555be9708bca36e2474a144fbc077bfd71d30f46ead"`
[INFO] running `"docker" "rm" "-f" "c16e2bac3e75ebae9763c555be9708bca36e2474a144fbc077bfd71d30f46ead"`
[INFO] [stdout] c16e2bac3e75ebae9763c555be9708bca36e2474a144fbc077bfd71d30f46ead
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/wraithan/cargo-bump:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] ee85d64c9c2653c4c2817a37ad41d784834723a70228a15ab9b23eef71bdca09
[INFO] running `"docker" "start" "-a" "ee85d64c9c2653c4c2817a37ad41d784834723a70228a15ab9b23eef71bdca09"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cargo_bump-0eaf8d1a3f29f958
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test test::toml_test_formatting_preserved_header_spaces ... ignored
[INFO] [stdout] test test::toml_test_formatting_preserved_space_around_replaced_value ... ignored
[INFO] [stdout] test test::toml_test_dotted_headers ... ok
[INFO] [stdout] test test::toml_test_formatting_preserved_comments ... ok
[INFO] [stdout] test test::toml_test_simple ... ok
[INFO] [stdout] test test::toml_test_formatting_preserved_spaces ... ok
[INFO] [stdout] test config::tests::version_arg_string_good ... FAILED
[INFO] [stdout] test config::tests::version_arg_minor ... FAILED
[INFO] [stdout] test config::tests::bump_arg_only ... FAILED
[INFO] [stdout] test config::tests::version_bump_and_build ... FAILED
[INFO] [stdout] test config::tests::version_bump_and_pre ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- config::tests::version_arg_string_good stdout ----
[INFO] [stdout] thread 'config::tests::version_arg_string_good' panicked at 'get cargo metadata: Error(CargoMetadata("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"), State { next_error: None, backtrace: InternalBacktrace { backtrace: Some(stack backtrace:
[INFO] [stdout]    0: error_chain::backtrace::imp::InternalBacktrace::new::ha0daabb5d2b8d309 (0x5579e7ca2e34)
[INFO] [stdout]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.0/src/backtrace.rs:56
[INFO] [stdout]    1: <error_chain::State as core::default::Default>::default::h203174546ab8ba53 (0x5579e7ca12b2)
[INFO] [stdout]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.0/src/lib.rs:666
[INFO] [stdout]    2: cargo_metadata::errors::Error::from_kind::hacc961ff4f1cc4dc (0x5579e7c20d2a)
[INFO] [stdout]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cargo_metadata-0.7.0/<::error_chain::error_chain::impl_error_chain_processed macros>:53
[INFO] [stdout]    3: <cargo_metadata::errors::Error as core::convert::From<cargo_metadata::errors::ErrorKind>>::from::hb62694e6d2c34104 (0x5579e7c20f38)
[INFO] [stdout]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cargo_metadata-0.7.0/src/errors.rs:5
[INFO] [stdout]    4: <T as core::convert::Into<U>>::into::h7adc51a67df7fcbb (0x5579e7c20748)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/convert.rs:540
[INFO] [stdout]    5: cargo_metadata::MetadataCommand::exec::hc832213b2f7502c9 (0x5579e7bdca61)
[INFO] [stdout]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cargo_metadata-0.7.0/src/lib.rs:423
[INFO] [stdout]    6: cargo_bump::config::Config::from_matches::h1122a9355a7c008b (0x5579e77f6134)
[INFO] [stdout]              at src/config.rs:81
[INFO] [stdout]    7: cargo_bump::config::tests::test_config::h3e51e6510d1b937a (0x5579e77e432e)
[INFO] [stdout]              at src/config.rs:174
[INFO] [stdout]    8: cargo_bump::config::tests::version_arg_string_good::hdfc4231dd9042f42 (0x5579e77e4b75)
[INFO] [stdout]              at src/config.rs:194
[INFO] [stdout]    9: cargo_bump::config::tests::version_arg_string_good::{{closure}}::h222b2360bc51dc3d (0x5579e77e4a09)
[INFO] [stdout]              at src/config.rs:192
[INFO] [stdout]   10: core::ops::function::FnOnce::call_once::h8de2a1682772e891 (0x5579e77e6f0d)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   11: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h6b004fa8f4fc1608 (0x5579e78052de)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   12: __rust_maybe_catch_panic (0x5579e7ce86b9)
[INFO] [stdout]              at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   13: std::panicking::try::h24368a6d38b1d93c (0x5579e781fbd7)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]       std::panic::catch_unwind::hf2c3df16a559e51f
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]       test::run_test::run_test_inner::{{closure}}::h9a4d23c41d058d37
[INFO] [stdout]              at src/libtest/lib.rs:1468
[INFO] [stdout]   14: std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7 (0x5579e77fa5f4)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136
[INFO] [stdout]   15: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h74161b153f5e9baf (0x5579e77fe6a4)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470
[INFO] [stdout]       <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hf7155da0a5779cf2
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315
[INFO] [stdout]       std::panicking::try::do_call::h6f86e980b52f74d5
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293
[INFO] [stdout]   16: __rust_maybe_catch_panic (0x5579e7ce86b9)
[INFO] [stdout]              at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   17: std::panicking::try::h9073c4fbc6488ec1 (0x5579e77fecb1)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]       std::panic::catch_unwind::h414e175ffeedf40c
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]       std::thread::Builder::spawn_unchecked::{{closure}}::hcde0649867c5f4c7
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469
[INFO] [stdout]       core::ops::function::FnOnce::call_once{{vtable.shim}}::h760b8a2b155f54c3
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   18: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h805c3cc89d534c05 (0x5579e7cd3fbe)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   19: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h9ebda9db5f03daf3 (0x5579e7ce7d9f)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]       std::sys_common::thread::start_thread::ha32838ccbb8a8179
[INFO] [stdout]              at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]       std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6
[INFO] [stdout]              at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   20: start_thread (0x7f1df3f084a3)
[INFO] [stdout]   21: __clone (0x7f1df3a33d0e)
[INFO] [stdout]   22: <unknown> (0x0)) } })', src/libcore/result.rs:999:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5579e7ce20a3 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55
[INFO] [stdout]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stdout]    1:     0x5579e7cdd9cb - std::sys_common::backtrace::_print::h49a82ae9552e35c7
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stdout]    2:     0x5579e7ce0de6 - std::panicking::default_hook::{{closure}}::he20974adbefcc046
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]                                at src/libstd/panicking.rs:197
[INFO] [stdout]    3:     0x5579e7ce0b0e - std::panicking::default_hook::he4af6af4ac7fef7b
[INFO] [stdout]                                at src/libstd/panicking.rs:208
[INFO] [stdout]    4:     0x5579e7ce14ef - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f
[INFO] [stdout]                                at src/libstd/panicking.rs:474
[INFO] [stdout]    5:     0x5579e7ce1071 - std::panicking::continue_panic_fmt::ha6d6ae144369025b
[INFO] [stdout]                                at src/libstd/panicking.rs:381
[INFO] [stdout]    6:     0x5579e7ce0f55 - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:308
[INFO] [stdout]    7:     0x5579e7cfc1bc - core::panicking::panic_fmt::hc4f83bfed80aeabd
[INFO] [stdout]                                at src/libcore/panicking.rs:85
[INFO] [stdout]    8:     0x5579e77e3102 - core::result::unwrap_failed::h2561d7bd1f89cd3b
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/macros.rs:18
[INFO] [stdout]    9:     0x5579e77e3516 - core::result::Result<T,E>::expect::h23866dfbc3d7dc77
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/result.rs:827
[INFO] [stdout]   10:     0x5579e77f6157 - cargo_bump::config::Config::from_matches::h1122a9355a7c008b
[INFO] [stdout]                                at src/config.rs:81
[INFO] [stdout]   11:     0x5579e77e432e - cargo_bump::config::tests::test_config::h3e51e6510d1b937a
[INFO] [stdout]                                at src/config.rs:174
[INFO] [stdout]   12:     0x5579e77e4b75 - cargo_bump::config::tests::version_arg_string_good::hdfc4231dd9042f42
[INFO] [stdout]                                at src/config.rs:194
[INFO] [stdout]   13:     0x5579e77e4a09 - cargo_bump::config::tests::version_arg_string_good::{{closure}}::h222b2360bc51dc3d
[INFO] [stdout]                                at src/config.rs:192
[INFO] [stdout]   14:     0x5579e77e6f0d - core::ops::function::FnOnce::call_once::h8de2a1682772e891
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   15:     0x5579e78052de - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h6b004fa8f4fc1608
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   16:     0x5579e7ce86b9 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   17:     0x5579e781fbd7 - test::run_test::run_test_inner::{{closure}}::h9a4d23c41d058d37
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]                                at src/libtest/lib.rs:1468
[INFO] [stdout]   18:     0x5579e77fa5f4 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136
[INFO] [stdout]   19:     0x5579e77fe6a4 - std::panicking::try::do_call::h6f86e980b52f74d5
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293
[INFO] [stdout]   20:     0x5579e7ce86b9 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   21:     0x5579e77fecb1 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h760b8a2b155f54c3
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   22:     0x5579e7cd3fbe - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h805c3cc89d534c05
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   23:     0x5579e7ce7d9f - std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]                                at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   24:     0x7f1df3f084a3 - start_thread
[INFO] [stdout]   25:     0x7f1df3a33d0e - __clone
[INFO] [stdout]   26:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- config::tests::version_arg_minor stdout ----
[INFO] [stdout] thread 'config::tests::version_arg_minor' panicked at 'get cargo metadata: Error(CargoMetadata("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"), State { next_error: None, backtrace: InternalBacktrace { backtrace: Some(stack backtrace:
[INFO] [stdout]    0: error_chain::backtrace::imp::InternalBacktrace::new::ha0daabb5d2b8d309 (0x5579e7ca2e34)
[INFO] [stdout]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.0/src/backtrace.rs:56
[INFO] [stdout]    1: <error_chain::State as core::default::Default>::default::h203174546ab8ba53 (0x5579e7ca12b2)
[INFO] [stdout]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.0/src/lib.rs:666
[INFO] [stdout]    2: cargo_metadata::errors::Error::from_kind::hacc961ff4f1cc4dc (0x5579e7c20d2a)
[INFO] [stdout]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cargo_metadata-0.7.0/<::error_chain::error_chain::impl_error_chain_processed macros>:53
[INFO] [stdout]    3: <cargo_metadata::errors::Error as core::convert::From<cargo_metadata::errors::ErrorKind>>::from::hb62694e6d2c34104 (0x5579e7c20f38)
[INFO] [stdout]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cargo_metadata-0.7.0/src/errors.rs:5
[INFO] [stdout]    4: <T as core::convert::Into<U>>::into::h7adc51a67df7fcbb (0x5579e7c20748)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/convert.rs:540
[INFO] [stdout]    5: cargo_metadata::MetadataCommand::exec::hc832213b2f7502c9 (0x5579e7bdca61)
[INFO] [stdout]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cargo_metadata-0.7.0/src/lib.rs:423
[INFO] [stdout]    6: cargo_bump::config::Config::from_matches::h1122a9355a7c008b (0x5579e77f6134)
[INFO] [stdout]              at src/config.rs:81
[INFO] [stdout]    7: cargo_bump::config::tests::test_config::h3e51e6510d1b937a (0x5579e77e432e)
[INFO] [stdout]              at src/config.rs:174
[INFO] [stdout]    8: cargo_bump::config::tests::version_arg_minor::h1c6c33d25c20fa98 (0x5579e77e49af)
[INFO] [stdout]              at src/config.rs:188
[INFO] [stdout]    9: cargo_bump::config::tests::version_arg_minor::{{closure}}::hedd4d13cd0fa9946 (0x5579e77e48c9)
[INFO] [stdout]              at src/config.rs:186
[INFO] [stdout]   10: core::ops::function::FnOnce::call_once::h0c7f7d598421b788 (0x5579e77e6d5d)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   11: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h6b004fa8f4fc1608 (0x5579e78052de)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   12: __rust_maybe_catch_panic (0x5579e7ce86b9)
[INFO] [stdout]              at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   13: std::panicking::try::h24368a6d38b1d93c (0x5579e781fbd7)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]       std::panic::catch_unwind::hf2c3df16a559e51f
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]       test::run_test::run_test_inner::{{closure}}::h9a4d23c41d058d37
[INFO] [stdout]              at src/libtest/lib.rs:1468
[INFO] [stdout]   14: std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7 (0x5579e77fa5f4)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136
[INFO] [stdout]   15: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h74161b153f5e9baf (0x5579e77fe6a4)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470
[INFO] [stdout]       <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hf7155da0a5779cf2
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315
[INFO] [stdout]       std::panicking::try::do_call::h6f86e980b52f74d5
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293
[INFO] [stdout]   16: __rust_maybe_catch_panic (0x5579e7ce86b9)
[INFO] [stdout]              at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   17: std::panicking::try::h9073c4fbc6488ec1 (0x5579e77fecb1)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]       std::panic::catch_unwind::h414e175ffeedf40c
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]       std::thread::Builder::spawn_unchecked::{{closure}}::hcde0649867c5f4c7
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469
[INFO] [stdout]       core::ops::function::FnOnce::call_once{{vtable.shim}}::h760b8a2b155f54c3
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   18: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h805c3cc89d534c05 (0x5579e7cd3fbe)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   19: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h9ebda9db5f03daf3 (0x5579e7ce7d9f)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]       std::sys_common::thread::start_thread::ha32838ccbb8a8179
[INFO] [stdout]              at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]       std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6
[INFO] [stdout]              at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   20: start_thread (0x7f1df3f084a3)
[INFO] [stdout]   21: __clone (0x7f1df3a33d0e)
[INFO] [stdout]   22: <unknown> (0x0)) } })', src/libcore/result.rs:999:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5579e7ce20a3 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55
[INFO] [stdout]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stdout]    1:     0x5579e7cdd9cb - std::sys_common::backtrace::_print::h49a82ae9552e35c7
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stdout]    2:     0x5579e7ce0de6 - std::panicking::default_hook::{{closure}}::he20974adbefcc046
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]                                at src/libstd/panicking.rs:197
[INFO] [stdout]    3:     0x5579e7ce0b0e - std::panicking::default_hook::he4af6af4ac7fef7b
[INFO] [stdout]                                at src/libstd/panicking.rs:208
[INFO] [stdout]    4:     0x5579e7ce14ef - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f
[INFO] [stdout]                                at src/libstd/panicking.rs:474
[INFO] [stdout]    5:     0x5579e7ce1071 - std::panicking::continue_panic_fmt::ha6d6ae144369025b
[INFO] [stdout]                                at src/libstd/panicking.rs:381
[INFO] [stdout]    6:     0x5579e7ce0f55 - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:308
[INFO] [stdout]    7:     0x5579e7cfc1bc - core::panicking::panic_fmt::hc4f83bfed80aeabd
[INFO] [stdout]                                at src/libcore/panicking.rs:85
[INFO] [stdout]    8:     0x5579e77e3102 - core::result::unwrap_failed::h2561d7bd1f89cd3b
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/macros.rs:18
[INFO] [stdout]    9:     0x5579e77e3516 - core::result::Result<T,E>::expect::h23866dfbc3d7dc77
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/result.rs:827
[INFO] [stdout]   10:     0x5579e77f6157 - cargo_bump::config::Config::from_matches::h1122a9355a7c008b
[INFO] [stdout]                                at src/config.rs:81
[INFO] [stdout]   11:     0x5579e77e432e - cargo_bump::config::tests::test_config::h3e51e6510d1b937a
[INFO] [stdout]                                at src/config.rs:174
[INFO] [stdout]   12:     0x5579e77e49af - cargo_bump::config::tests::version_arg_minor::h1c6c33d25c20fa98
[INFO] [stdout]                                at src/config.rs:188
[INFO] [stdout]   13:     0x5579e77e48c9 - cargo_bump::config::tests::version_arg_minor::{{closure}}::hedd4d13cd0fa9946
[INFO] [stdout]                                at src/config.rs:186
[INFO] [stdout]   14:     0x5579e77e6d5d - core::ops::function::FnOnce::call_once::h0c7f7d598421b788
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   15:     0x5579e78052de - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h6b004fa8f4fc1608
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   16:     0x5579e7ce86b9 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   17:     0x5579e781fbd7 - test::run_test::run_test_inner::{{closure}}::h9a4d23c41d058d37
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]                                at src/libtest/lib.rs:1468
[INFO] [stdout]   18:     0x5579e77fa5f4 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136
[INFO] [stdout]   19:     0x5579e77fe6a4 - std::panicking::try::do_call::h6f86e980b52f74d5
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293
[INFO] [stdout]   20:     0x5579e7ce86b9 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   21:     0x5579e77fecb1 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h760b8a2b155f54c3
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   22:     0x5579e7cd3fbe - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h805c3cc89d534c05
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   23:     0x5579e7ce7d9f - std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]                                at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   24:     0x7f1df3f084a3 - start_thread
[INFO] [stdout]   25:     0x7f1df3a33d0e - __clone
[INFO] [stdout]   26:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- config::tests::bump_arg_only stdout ----
[INFO] [stdout] thread 'config::tests::bump_arg_only' panicked at 'get cargo metadata: Error(CargoMetadata("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"), State { next_error: None, backtrace: InternalBacktrace { backtrace: Some(stack backtrace:
[INFO] [stdout]    0: error_chain::backtrace::imp::InternalBacktrace::new::ha0daabb5d2b8d309 (0x5579e7ca2e34)
[INFO] [stdout]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.0/src/backtrace.rs:56
[INFO] [stdout]    1: <error_chain::State as core::default::Default>::default::h203174546ab8ba53 (0x5579e7ca12b2)
[INFO] [stdout]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.0/src/lib.rs:666
[INFO] [stdout]    2: cargo_metadata::errors::Error::from_kind::hacc961ff4f1cc4dc (0x5579e7c20d2a)
[INFO] [stdout]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cargo_metadata-0.7.0/<::error_chain::error_chain::impl_error_chain_processed macros>:53
[INFO] [stdout]    3: <cargo_metadata::errors::Error as core::convert::From<cargo_metadata::errors::ErrorKind>>::from::hb62694e6d2c34104 (0x5579e7c20f38)
[INFO] [stdout]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cargo_metadata-0.7.0/src/errors.rs:5
[INFO] [stdout]    4: <T as core::convert::Into<U>>::into::h7adc51a67df7fcbb (0x5579e7c20748)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/convert.rs:540
[INFO] [stdout]    5: cargo_metadata::MetadataCommand::exec::hc832213b2f7502c9 (0x5579e7bdca61)
[INFO] [stdout]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cargo_metadata-0.7.0/src/lib.rs:423
[INFO] [stdout]    6: cargo_bump::config::Config::from_matches::h1122a9355a7c008b (0x5579e77f6134)
[INFO] [stdout]              at src/config.rs:81
[INFO] [stdout]    7: cargo_bump::config::tests::test_config::h3e51e6510d1b937a (0x5579e77e432e)
[INFO] [stdout]              at src/config.rs:174
[INFO] [stdout]    8: cargo_bump::config::tests::bump_arg_only::h3dab5d693130eb5e (0x5579e77e486c)
[INFO] [stdout]              at src/config.rs:182
[INFO] [stdout]    9: cargo_bump::config::tests::bump_arg_only::{{closure}}::hd290493c2c4b7885 (0x5579e77e4799)
[INFO] [stdout]              at src/config.rs:180
[INFO] [stdout]   10: core::ops::function::FnOnce::call_once::h77a28bd76ed8e8a6 (0x5579e77e6e8d)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   11: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h6b004fa8f4fc1608 (0x5579e78052de)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   12: __rust_maybe_catch_panic (0x5579e7ce86b9)
[INFO] [stdout]              at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   13: std::panicking::try::h24368a6d38b1d93c (0x5579e781fbd7)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]       std::panic::catch_unwind::hf2c3df16a559e51f
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]       test::run_test::run_test_inner::{{closure}}::h9a4d23c41d058d37
[INFO] [stdout]              at src/libtest/lib.rs:1468
[INFO] [stdout]   14: std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7 (0x5579e77fa5f4)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136
[INFO] [stdout]   15: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h74161b153f5e9baf (0x5579e77fe6a4)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470
[INFO] [stdout]       <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hf7155da0a5779cf2
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315
[INFO] [stdout]       std::panicking::try::do_call::h6f86e980b52f74d5
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293
[INFO] [stdout]   16: __rust_maybe_catch_panic (0x5579e7ce86b9)
[INFO] [stdout]              at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   17: std::panicking::try::h9073c4fbc6488ec1 (0x5579e77fecb1)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]       std::panic::catch_unwind::h414e175ffeedf40c
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]       std::thread::Builder::spawn_unchecked::{{closure}}::hcde0649867c5f4c7
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469
[INFO] [stdout]       core::ops::function::FnOnce::call_once{{vtable.shim}}::h760b8a2b155f54c3
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   18: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h805c3cc89d534c05 (0x5579e7cd3fbe)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   19: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h9ebda9db5f03daf3 (0x5579e7ce7d9f)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]       std::sys_common::thread::start_thread::ha32838ccbb8a8179
[INFO] [stdout]              at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]       std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6
[INFO] [stdout]              at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   20: start_thread (0x7f1df3f084a3)
[INFO] [stdout]   21: __clone (0x7f1df3a33d0e)
[INFO] [stdout]   22: <unknown> (0x0)) } })', src/libcore/result.rs:999:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5579e7ce20a3 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55
[INFO] [stdout]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stdout]    1:     0x5579e7cdd9cb - std::sys_common::backtrace::_print::h49a82ae9552e35c7
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stdout]    2:     0x5579e7ce0de6 - std::panicking::default_hook::{{closure}}::he20974adbefcc046
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]                                at src/libstd/panicking.rs:197
[INFO] [stdout]    3:     0x5579e7ce0b0e - std::panicking::default_hook::he4af6af4ac7fef7b
[INFO] [stdout]                                at src/libstd/panicking.rs:208
[INFO] [stdout]    4:     0x5579e7ce14ef - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f
[INFO] [stdout]                                at src/libstd/panicking.rs:474
[INFO] [stdout]    5:     0x5579e7ce1071 - std::panicking::continue_panic_fmt::ha6d6ae144369025b
[INFO] [stdout]                                at src/libstd/panicking.rs:381
[INFO] [stdout]    6:     0x5579e7ce0f55 - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:308
[INFO] [stdout]    7:     0x5579e7cfc1bc - core::panicking::panic_fmt::hc4f83bfed80aeabd
[INFO] [stdout]                                at src/libcore/panicking.rs:85
[INFO] [stdout]    8:     0x5579e77e3102 - core::result::unwrap_failed::h2561d7bd1f89cd3b
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/macros.rs:18
[INFO] [stdout]    9:     0x5579e77e3516 - core::result::Result<T,E>::expect::h23866dfbc3d7dc77
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/result.rs:827
[INFO] [stdout]   10:     0x5579e77f6157 - cargo_bump::config::Config::from_matches::h1122a9355a7c008b
[INFO] [stdout]                                at src/config.rs:81
[INFO] [stdout]   11:     0x5579e77e432e - cargo_bump::config::tests::test_config::h3e51e6510d1b937a
[INFO] [stdout]                                at src/config.rs:174
[INFO] [stdout]   12:     0x5579e77e486c - cargo_bump::config::tests::bump_arg_only::h3dab5d693130eb5e
[INFO] [stdout]                                at src/config.rs:182
[INFO] [stdout]   13:     0x5579e77e4799 - cargo_bump::config::tests::bump_arg_only::{{closure}}::hd290493c2c4b7885
[INFO] [stdout]                                at src/config.rs:180
[INFO] [stdout]   14:     0x5579e77e6e8d - core::ops::function::FnOnce::call_once::h77a28bd76ed8e8a6
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   15:     0x5579e78052de - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h6b004fa8f4fc1608
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   16:     0x5579e7ce86b9 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   17:     0x5579e781fbd7 - test::run_test::run_test_inner::{{closure}}::h9a4d23c41d058d37
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]                                at src/libtest/lib.rs:1468
[INFO] [stdout]   18:     0x5579e77fa5f4 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136
[INFO] [stdout]   19:     0x5579e77fe6a4 - std::panicking::try::do_call::h6f86e980b52f74d5
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293
[INFO] [stdout]   20:     0x5579e7ce86b9 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   21:     0x5579e77fecb1 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h760b8a2b155f54c3
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   22:     0x5579e7cd3fbe - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h805c3cc89d534c05
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   23:     0x5579e7ce7d9f - std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]                                at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   24:     0x7f1df3f084a3 - start_thread
[INFO] [stdout]   25:     0x7f1df3a33d0e - __clone
[INFO] [stdout]   26:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- config::tests::version_bump_and_build stdout ----
[INFO] [stdout] thread 'config::tests::version_bump_and_build' panicked at 'get cargo metadata: Error(CargoMetadata("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"), State { next_error: None, backtrace: InternalBacktrace { backtrace: Some(stack backtrace:
[INFO] [stdout]    0: error_chain::backtrace::imp::InternalBacktrace::new::ha0daabb5d2b8d309 (0x5579e7ca2e34)
[INFO] [stdout]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.0/src/backtrace.rs:56
[INFO] [stdout]    1: <error_chain::State as core::default::Default>::default::h203174546ab8ba53 (0x5579e7ca12b2)
[INFO] [stdout]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.0/src/lib.rs:666
[INFO] [stdout]    2: cargo_metadata::errors::Error::from_kind::hacc961ff4f1cc4dc (0x5579e7c20d2a)
[INFO] [stdout]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cargo_metadata-0.7.0/<::error_chain::error_chain::impl_error_chain_processed macros>:53
[INFO] [stdout]    3: <cargo_metadata::errors::Error as core::convert::From<cargo_metadata::errors::ErrorKind>>::from::hb62694e6d2c34104 (0x5579e7c20f38)
[INFO] [stdout]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cargo_metadata-0.7.0/src/errors.rs:5
[INFO] [stdout]    4: <T as core::convert::Into<U>>::into::h7adc51a67df7fcbb (0x5579e7c20748)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/convert.rs:540
[INFO] [stdout]    5: cargo_metadata::MetadataCommand::exec::hc832213b2f7502c9 (0x5579e7bdca61)
[INFO] [stdout]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cargo_metadata-0.7.0/src/lib.rs:423
[INFO] [stdout]    6: cargo_bump::config::Config::from_matches::h1122a9355a7c008b (0x5579e77f6134)
[INFO] [stdout]              at src/config.rs:81
[INFO] [stdout]    7: cargo_bump::config::tests::test_config::h3e51e6510d1b937a (0x5579e77e432e)
[INFO] [stdout]              at src/config.rs:174
[INFO] [stdout]    8: cargo_bump::config::tests::version_bump_and_build::h4a14d7e45763f774 (0x5579e77e4e6c)
[INFO] [stdout]              at src/config.rs:208
[INFO] [stdout]    9: cargo_bump::config::tests::version_bump_and_build::{{closure}}::hcf87b97cb811593d (0x5579e77e4bd9)
[INFO] [stdout]              at src/config.rs:201
[INFO] [stdout]   10: core::ops::function::FnOnce::call_once::h71e4ea0aae7d2cdd (0x5579e77e6e4d)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   11: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h6b004fa8f4fc1608 (0x5579e78052de)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   12: __rust_maybe_catch_panic (0x5579e7ce86b9)
[INFO] [stdout]              at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   13: std::panicking::try::h24368a6d38b1d93c (0x5579e781fbd7)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]       std::panic::catch_unwind::hf2c3df16a559e51f
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]       test::run_test::run_test_inner::{{closure}}::h9a4d23c41d058d37
[INFO] [stdout]              at src/libtest/lib.rs:1468
[INFO] [stdout]   14: std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7 (0x5579e77fa5f4)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136
[INFO] [stdout]   15: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h74161b153f5e9baf (0x5579e77fe6a4)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470
[INFO] [stdout]       <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hf7155da0a5779cf2
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315
[INFO] [stdout]       std::panicking::try::do_call::h6f86e980b52f74d5
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293
[INFO] [stdout]   16: __rust_maybe_catch_panic (0x5579e7ce86b9)
[INFO] [stdout]              at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   17: std::panicking::try::h9073c4fbc6488ec1 (0x5579e77fecb1)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]       std::panic::catch_unwind::h414e175ffeedf40c
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]       std::thread::Builder::spawn_unchecked::{{closure}}::hcde0649867c5f4c7
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469
[INFO] [stdout]       core::ops::function::FnOnce::call_once{{vtable.shim}}::h760b8a2b155f54c3
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   18: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h805c3cc89d534c05 (0x5579e7cd3fbe)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   19: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h9ebda9db5f03daf3 (0x5579e7ce7d9f)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]       std::sys_common::thread::start_thread::ha32838ccbb8a8179
[INFO] [stdout]              at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]       std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6
[INFO] [stdout]              at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   20: start_thread (0x7f1df3f084a3)
[INFO] [stdout]   21: __clone (0x7f1df3a33d0e)
[INFO] [stdout]   22: <unknown> (0x0)) } })', src/libcore/result.rs:999:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5579e7ce20a3 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55
[INFO] [stdout]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stdout]    1:     0x5579e7cdd9cb - std::sys_common::backtrace::_print::h49a82ae9552e35c7
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stdout]    2:     0x5579e7ce0de6 - std::panicking::default_hook::{{closure}}::he20974adbefcc046
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]                                at src/libstd/panicking.rs:197
[INFO] [stdout]    3:     0x5579e7ce0b0e - std::panicking::default_hook::he4af6af4ac7fef7b
[INFO] [stdout]                                at src/libstd/panicking.rs:208
[INFO] [stdout]    4:     0x5579e7ce14ef - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f
[INFO] [stdout]                                at src/libstd/panicking.rs:474
[INFO] [stdout]    5:     0x5579e7ce1071 - std::panicking::continue_panic_fmt::ha6d6ae144369025b
[INFO] [stdout]                                at src/libstd/panicking.rs:381
[INFO] [stdout]    6:     0x5579e7ce0f55 - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:308
[INFO] [stdout]    7:     0x5579e7cfc1bc - core::panicking::panic_fmt::hc4f83bfed80aeabd
[INFO] [stdout]                                at src/libcore/panicking.rs:85
[INFO] [stdout]    8:     0x5579e77e3102 - core::result::unwrap_failed::h2561d7bd1f89cd3b
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/macros.rs:18
[INFO] [stdout]    9:     0x5579e77e3516 - core::result::Result<T,E>::expect::h23866dfbc3d7dc77
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/result.rs:827
[INFO] [stdout]   10:     0x5579e77f6157 - cargo_bump::config::Config::from_matches::h1122a9355a7c008b
[INFO] [stdout]                                at src/config.rs:81
[INFO] [stdout]   11:     0x5579e77e432e - cargo_bump::config::tests::test_config::h3e51e6510d1b937a
[INFO] [stdout]                                at src/config.rs:174
[INFO] [stdout]   12:     0x5579e77e4e6c - cargo_bump::config::tests::version_bump_and_build::h4a14d7e45763f774
[INFO] [stdout]                                at src/config.rs:208
[INFO] [stdout]   13:     0x5579e77e4bd9 - cargo_bump::config::tests::version_bump_and_build::{{closure}}::hcf87b97cb811593d
[INFO] [stdout]                                at src/config.rs:201
[INFO] [stdout]   14:     0x5579e77e6e4d - core::ops::function::FnOnce::call_once::h71e4ea0aae7d2cdd
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   15:     0x5579e78052de - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h6b004fa8f4fc1608
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   16:     0x5579e7ce86b9 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   17:     0x5579e781fbd7 - test::run_test::run_test_inner::{{closure}}::h9a4d23c41d058d37
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]                                at src/libtest/lib.rs:1468
[INFO] [stdout]   18:     0x5579e77fa5f4 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136
[INFO] [stdout]   19:     0x5579e77fe6a4 - std::panicking::try::do_call::h6f86e980b52f74d5
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293
[INFO] [stdout]   20:     0x5579e7ce86b9 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   21:     0x5579e77fecb1 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h760b8a2b155f54c3
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   22:     0x5579e7cd3fbe - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h805c3cc89d534c05
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   23:     0x5579e7ce7d9f - std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]                                at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   24:     0x7f1df3f084a3 - start_thread
[INFO] [stdout]   25:     0x7f1df3a33d0e - __clone
[INFO] [stdout]   26:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- config::tests::version_bump_and_pre stdout ----
[INFO] [stdout] thread 'config::tests::version_bump_and_pre' panicked at 'get cargo metadata: Error(CargoMetadata("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"), State { next_error: None, backtrace: InternalBacktrace { backtrace: Some(stack backtrace:
[INFO] [stdout]    0: error_chain::backtrace::imp::InternalBacktrace::new::ha0daabb5d2b8d309 (0x5579e7ca2e34)
[INFO] [stdout]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.0/src/backtrace.rs:56
[INFO] [stdout]    1: <error_chain::State as core::default::Default>::default::h203174546ab8ba53 (0x5579e7ca12b2)
[INFO] [stdout]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.0/src/lib.rs:666
[INFO] [stdout]    2: cargo_metadata::errors::Error::from_kind::hacc961ff4f1cc4dc (0x5579e7c20d2a)
[INFO] [stdout]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cargo_metadata-0.7.0/<::error_chain::error_chain::impl_error_chain_processed macros>:53
[INFO] [stdout]    3: <cargo_metadata::errors::Error as core::convert::From<cargo_metadata::errors::ErrorKind>>::from::hb62694e6d2c34104 (0x5579e7c20f38)
[INFO] [stdout]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cargo_metadata-0.7.0/src/errors.rs:5
[INFO] [stdout]    4: <T as core::convert::Into<U>>::into::h7adc51a67df7fcbb (0x5579e7c20748)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/convert.rs:540
[INFO] [stdout]    5: cargo_metadata::MetadataCommand::exec::hc832213b2f7502c9 (0x5579e7bdca61)
[INFO] [stdout]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cargo_metadata-0.7.0/src/lib.rs:423
[INFO] [stdout]    6: cargo_bump::config::Config::from_matches::h1122a9355a7c008b (0x5579e77f6134)
[INFO] [stdout]              at src/config.rs:81
[INFO] [stdout]    7: cargo_bump::config::tests::test_config::h3e51e6510d1b937a (0x5579e77e432e)
[INFO] [stdout]              at src/config.rs:174
[INFO] [stdout]    8: cargo_bump::config::tests::version_bump_and_pre::h7c9f7cb42c44c9aa (0x5579e77e5247)
[INFO] [stdout]              at src/config.rs:219
[INFO] [stdout]    9: cargo_bump::config::tests::version_bump_and_pre::{{closure}}::hb0c66f42a0417d6c (0x5579e77e4ed9)
[INFO] [stdout]              at src/config.rs:212
[INFO] [stdout]   10: core::ops::function::FnOnce::call_once::h8cb86f265f367afe (0x5579e77e6ecd)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   11: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h6b004fa8f4fc1608 (0x5579e78052de)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   12: __rust_maybe_catch_panic (0x5579e7ce86b9)
[INFO] [stdout]              at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   13: std::panicking::try::h24368a6d38b1d93c (0x5579e781fbd7)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]       std::panic::catch_unwind::hf2c3df16a559e51f
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]       test::run_test::run_test_inner::{{closure}}::h9a4d23c41d058d37
[INFO] [stdout]              at src/libtest/lib.rs:1468
[INFO] [stdout]   14: std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7 (0x5579e77fa5f4)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136
[INFO] [stdout]   15: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h74161b153f5e9baf (0x5579e77fe6a4)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470
[INFO] [stdout]       <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hf7155da0a5779cf2
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315
[INFO] [stdout]       std::panicking::try::do_call::h6f86e980b52f74d5
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293
[INFO] [stdout]   16: __rust_maybe_catch_panic (0x5579e7ce86b9)
[INFO] [stdout]              at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   17: std::panicking::try::h9073c4fbc6488ec1 (0x5579e77fecb1)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]       std::panic::catch_unwind::h414e175ffeedf40c
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]       std::thread::Builder::spawn_unchecked::{{closure}}::hcde0649867c5f4c7
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469
[INFO] [stdout]       core::ops::function::FnOnce::call_once{{vtable.shim}}::h760b8a2b155f54c3
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   18: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h805c3cc89d534c05 (0x5579e7cd3fbe)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   19: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h9ebda9db5f03daf3 (0x5579e7ce7d9f)
[INFO] [stdout]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]       std::sys_common::thread::start_thread::ha32838ccbb8a8179
[INFO] [stdout]              at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]       std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6
[INFO] [stdout]              at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   20: start_thread (0x7f1df3f084a3)
[INFO] [stdout]   21: __clone (0x7f1df3a33d0e)
[INFO] [stdout]   22: <unknown> (0x0)) } })', src/libcore/result.rs:999:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5579e7ce20a3 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55
[INFO] [stdout]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stdout]    1:     0x5579e7cdd9cb - std::sys_common::backtrace::_print::h49a82ae9552e35c7
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stdout]    2:     0x5579e7ce0de6 - std::panicking::default_hook::{{closure}}::he20974adbefcc046
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]                                at src/libstd/panicking.rs:197
[INFO] [stdout]    3:     0x5579e7ce0b0e - std::panicking::default_hook::he4af6af4ac7fef7b
[INFO] [stdout]                                at src/libstd/panicking.rs:208
[INFO] [stdout]    4:     0x5579e7ce14ef - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f
[INFO] [stdout]                                at src/libstd/panicking.rs:474
[INFO] [stdout]    5:     0x5579e7ce1071 - std::panicking::continue_panic_fmt::ha6d6ae144369025b
[INFO] [stdout]                                at src/libstd/panicking.rs:381
[INFO] [stdout]    6:     0x5579e7ce0f55 - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:308
[INFO] [stdout]    7:     0x5579e7cfc1bc - core::panicking::panic_fmt::hc4f83bfed80aeabd
[INFO] [stdout]                                at src/libcore/panicking.rs:85
[INFO] [stdout]    8:     0x5579e77e3102 - core::result::unwrap_failed::h2561d7bd1f89cd3b
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/macros.rs:18
[INFO] [stdout]    9:     0x5579e77e3516 - core::result::Result<T,E>::expect::h23866dfbc3d7dc77
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/result.rs:827
[INFO] [stdout]   10:     0x5579e77f6157 - cargo_bump::config::Config::from_matches::h1122a9355a7c008b
[INFO] [stdout]                                at src/config.rs:81
[INFO] [stdout]   11:     0x5579e77e432e - cargo_bump::config::tests::test_config::h3e51e6510d1b937a
[INFO] [stdout]                                at src/config.rs:174
[INFO] [stdout]   12:     0x5579e77e5247 - cargo_bump::config::tests::version_bump_and_pre::h7c9f7cb42c44c9aa
[INFO] [stdout]                                at src/config.rs:219
[INFO] [stdout]   13:     0x5579e77e4ed9 - cargo_bump::config::tests::version_bump_and_pre::{{closure}}::hb0c66f42a0417d6c
[INFO] [stdout]                                at src/config.rs:212
[INFO] [stdout]   14:     0x5579e77e6ecd - core::ops::function::FnOnce::call_once::h8cb86f265f367afe
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   15:     0x5579e78052de - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h6b004fa8f4fc1608
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   16:     0x5579e7ce86b9 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   17:     0x5579e781fbd7 - test::run_test::run_test_inner::{{closure}}::h9a4d23c41d058d37
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]                                at src/libtest/lib.rs:1468
[INFO] [stdout]   18:     0x5579e77fa5f4 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136
[INFO] [stdout]   19:     0x5579e77fe6a4 - std::panicking::try::do_call::h6f86e980b52f74d5
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293
[INFO] [stdout]   20:     0x5579e7ce86b9 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   21:     0x5579e77fecb1 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h760b8a2b155f54c3
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   22:     0x5579e7cd3fbe - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h805c3cc89d534c05
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   23:     0x5579e7ce7d9f - std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]                                at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   24:     0x7f1df3f084a3 - start_thread
[INFO] [stdout]   25:     0x7f1df3a33d0e - __clone
[INFO] [stdout]   26:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     config::tests::bump_arg_only
[INFO] [stdout]     config::tests::version_arg_minor
[INFO] [stdout]     config::tests::version_arg_string_good
[INFO] [stdout]     config::tests::version_bump_and_build
[INFO] [stdout]     config::tests::version_bump_and_pre
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 4 passed; 5 failed; 2 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--bin cargo-bump'
[INFO] running `"docker" "inspect" "ee85d64c9c2653c4c2817a37ad41d784834723a70228a15ab9b23eef71bdca09"`
[INFO] running `"docker" "rm" "-f" "ee85d64c9c2653c4c2817a37ad41d784834723a70228a15ab9b23eef71bdca09"`
[INFO] [stdout] ee85d64c9c2653c4c2817a37ad41d784834723a70228a15ab9b23eef71bdca09