[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 beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 8a057de3f3e00217908ca659d6cfb39a9fc22feb970efbfd6751c44be67b6300
[INFO] running `"docker" "start" "-a" "8a057de3f3e00217908ca659d6cfb39a9fc22feb970efbfd6751c44be67b6300"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.26
[INFO] [stderr]    Compiling byteorder v1.3.0
[INFO] [stderr]    Compiling memchr v2.1.3
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling ascii v0.9.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling serde_json v1.0.36
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling error-chain v0.12.0
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling combine v3.6.6
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling serde_derive v1.0.85
[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]    = note: for more information, try `rustc --explain E0729`
[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]    = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]    Compiling cargo-bump v1.0.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 26s
[INFO] running `"docker" "inspect" "8a057de3f3e00217908ca659d6cfb39a9fc22feb970efbfd6751c44be67b6300"`
[INFO] running `"docker" "rm" "-f" "8a057de3f3e00217908ca659d6cfb39a9fc22feb970efbfd6751c44be67b6300"`
[INFO] [stdout] 8a057de3f3e00217908ca659d6cfb39a9fc22feb970efbfd6751c44be67b6300
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] ea7954579e04d1ae2485681c9223fc4dfc0ca0485ad290ba8cc4f099cea51e09
[INFO] running `"docker" "start" "-a" "ea7954579e04d1ae2485681c9223fc4dfc0ca0485ad290ba8cc4f099cea51e09"`
[INFO] [stderr]    Compiling cargo-bump v1.0.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.01s
[INFO] running `"docker" "inspect" "ea7954579e04d1ae2485681c9223fc4dfc0ca0485ad290ba8cc4f099cea51e09"`
[INFO] running `"docker" "rm" "-f" "ea7954579e04d1ae2485681c9223fc4dfc0ca0485ad290ba8cc4f099cea51e09"`
[INFO] [stdout] ea7954579e04d1ae2485681c9223fc4dfc0ca0485ad290ba8cc4f099cea51e09
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 1d3a2a1f391d7c3c01421b5cc2866fb00d227a481136fa84db11df15c46d6997
[INFO] running `"docker" "start" "-a" "1d3a2a1f391d7c3c01421b5cc2866fb00d227a481136fa84db11df15c46d6997"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cargo_bump-cc9a79217f23b7ac
[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_simple ... ok
[INFO] [stdout] test test::toml_test_formatting_preserved_spaces ... ok
[INFO] [stdout] test test::toml_test_formatting_preserved_comments ... ok
[INFO] [stdout] test config::tests::version_arg_string_good ... FAILED
[INFO] [stdout] test config::tests::version_bump_and_build ... FAILED
[INFO] [stdout] test config::tests::bump_arg_only ... FAILED
[INFO] [stdout] test config::tests::version_bump_and_pre ... FAILED
[INFO] [stdout] test config::tests::version_arg_minor ... 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::hdf85c8435058267b (0x5584dbcfda74)
[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::h3eed0010bb2925a0 (0x5584dbcfc182)
[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::h5b78ea4f7ab68bc1 (0x5584dbc83a9a)
[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::h5d349ec056fd902d (0x5584dbc83ca8)
[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::h5127a1067d17613b (0x5584dbc832f8)
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/convert.rs:540
[INFO] [stdout]    5: cargo_metadata::MetadataCommand::exec::hf2f8e7fec8046d21 (0x5584dbc37762)
[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::h2d865d839c505b77 (0x5584db8548e4)
[INFO] [stdout]              at src/config.rs:81
[INFO] [stdout]    7: cargo_bump::config::tests::test_config::h4e5c0f63e8002a08 (0x5584db842db2)
[INFO] [stdout]              at src/config.rs:174
[INFO] [stdout]    8: cargo_bump::config::tests::version_arg_string_good::h38a1eda0839dbe43 (0x5584db8435f5)
[INFO] [stdout]              at src/config.rs:194
[INFO] [stdout]    9: cargo_bump::config::tests::version_arg_string_good::{{closure}}::h31e3a51d95250323 (0x5584db843489)
[INFO] [stdout]              at src/config.rs:192
[INFO] [stdout]   10: core::ops::function::FnOnce::call_once::h609d2a5d036dc8b9 (0x5584db8456dd)
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231
[INFO] [stdout]   11: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h9568fda2c3b99042 (0x5584db863c7e)
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746
[INFO] [stdout]   12: __rust_maybe_catch_panic (0x5584dbd420e9)
[INFO] [stdout]              at src/libpanic_unwind/lib.rs:82
[INFO] [stdout]   13: std::panicking::try::h4b4c6c15836266eb (0x5584db87e277)
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275
[INFO] [stdout]       std::panic::catch_unwind::h133691b514d0224c
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394
[INFO] [stdout]       test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe
[INFO] [stdout]              at src/libtest/lib.rs:1466
[INFO] [stdout]   14: std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 (0x5584db8590f4)
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77
[INFO] [stdout]   15: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 (0x5584db85d274)
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470
[INFO] [stdout]       <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315
[INFO] [stdout]       std::panicking::try::do_call::h59b39c89384b7a2f
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296
[INFO] [stdout]   16: __rust_maybe_catch_panic (0x5584dbd420e9)
[INFO] [stdout]              at src/libpanic_unwind/lib.rs:82
[INFO] [stdout]   17: std::panicking::try::h9fff34be50f16431 (0x5584db85d8b1)
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275
[INFO] [stdout]       std::panic::catch_unwind::h7551856ff7c5e12a
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394
[INFO] [stdout]       std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469
[INFO] [stdout]       core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231
[INFO] [stdout]   18: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h55ef432b72ff7a0b (0x5584dbd2f20e)
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746
[INFO] [stdout]   19: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h9294a5138530eae1 (0x5584dbd4183f)
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746
[INFO] [stdout]       std::sys_common::thread::start_thread::h0d2733dd32c3723c
[INFO] [stdout]              at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]       std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1
[INFO] [stdout]              at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   20: start_thread (0x7fe5b03034a3)
[INFO] [stdout]   21: __clone (0x7fe5afe2ed0e)
[INFO] [stdout]   22: <unknown> (0x0)) } })', src/libcore/result.rs:999:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5584dbd3ad6b - backtrace::backtrace::libunwind::trace::h5dfa5d4c5feed6dc
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stdout]    1:     0x5584dbd3ad6b - backtrace::backtrace::trace_unsynchronized::hb731fe64f3fa469f
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x5584dbd3ad6b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stdout]    3:     0x5584dbd3ad6b - std::sys_common::backtrace::print::h31646c3786c57441
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stdout]    4:     0x5584dbd3ad6b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7
[INFO] [stdout]                                at src/libstd/panicking.rs:200
[INFO] [stdout]    5:     0x5584dbd3a9da - std::panicking::default_hook::h0c4b76f338614ef1
[INFO] [stdout]                                at src/libstd/panicking.rs:211
[INFO] [stdout]    6:     0x5584dbd3b4e0 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce
[INFO] [stdout]                                at src/libstd/panicking.rs:477
[INFO] [stdout]    7:     0x5584dbd3b062 - std::panicking::continue_panic_fmt::h0046167652be99a6
[INFO] [stdout]                                at src/libstd/panicking.rs:384
[INFO] [stdout]    8:     0x5584dbd3af46 - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:311
[INFO] [stdout]    9:     0x5584dbd5a0ad - core::panicking::panic_fmt::h8980489a6c4a44cb
[INFO] [stdout]                                at src/libcore/panicking.rs:85
[INFO] [stdout]   10:     0x5584db841a13 - core::result::unwrap_failed::he29449f8f3779727
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18
[INFO] [stdout]   11:     0x5584db841b98 - core::result::Result<T,E>::expect::h4b1a14b0b68eb91d
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:827
[INFO] [stdout]   12:     0x5584db854908 - cargo_bump::config::Config::from_matches::h2d865d839c505b77
[INFO] [stdout]                                at src/config.rs:81
[INFO] [stdout]   13:     0x5584db842db3 - cargo_bump::config::tests::test_config::h4e5c0f63e8002a08
[INFO] [stdout]                                at src/config.rs:174
[INFO] [stdout]   14:     0x5584db8435f6 - cargo_bump::config::tests::version_arg_string_good::h38a1eda0839dbe43
[INFO] [stdout]                                at src/config.rs:194
[INFO] [stdout]   15:     0x5584db84348a - cargo_bump::config::tests::version_arg_string_good::{{closure}}::h31e3a51d95250323
[INFO] [stdout]                                at src/config.rs:192
[INFO] [stdout]   16:     0x5584db8456de - core::ops::function::FnOnce::call_once::h609d2a5d036dc8b9
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231
[INFO] [stdout]   17:     0x5584db863c7f - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h9568fda2c3b99042
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746
[INFO] [stdout]   18:     0x5584dbd420ea - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stdout]   19:     0x5584db87e278 - std::panicking::try::h4b4c6c15836266eb
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275
[INFO] [stdout]   20:     0x5584db87e278 - std::panic::catch_unwind::h133691b514d0224c
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394
[INFO] [stdout]   21:     0x5584db87e278 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe
[INFO] [stdout]                                at src/libtest/lib.rs:1466
[INFO] [stdout]   22:     0x5584db8590f5 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77
[INFO] [stdout]   23:     0x5584db85d275 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470
[INFO] [stdout]   24:     0x5584db85d275 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315
[INFO] [stdout]   25:     0x5584db85d275 - std::panicking::try::do_call::h59b39c89384b7a2f
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296
[INFO] [stdout]   26:     0x5584dbd420ea - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stdout]   27:     0x5584db85d8b2 - std::panicking::try::h9fff34be50f16431
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275
[INFO] [stdout]   28:     0x5584db85d8b2 - std::panic::catch_unwind::h7551856ff7c5e12a
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394
[INFO] [stdout]   29:     0x5584db85d8b2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469
[INFO] [stdout]   30:     0x5584db85d8b2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231
[INFO] [stdout]   31:     0x5584dbd2f20f - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h55ef432b72ff7a0b
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746
[INFO] [stdout]   32:     0x5584dbd41840 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h9294a5138530eae1
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746
[INFO] [stdout]   33:     0x5584dbd41840 - std::sys_common::thread::start_thread::h0d2733dd32c3723c
[INFO] [stdout]                                at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]   34:     0x5584dbd41840 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   35:     0x7fe5b03034a4 - start_thread
[INFO] [stdout]   36:     0x7fe5afe2ed0f - __clone
[INFO] [stdout]   37:                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::hdf85c8435058267b (0x5584dbcfda74)
[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::h3eed0010bb2925a0 (0x5584dbcfc182)
[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::h5b78ea4f7ab68bc1 (0x5584dbc83a9a)
[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::h5d349ec056fd902d (0x5584dbc83ca8)
[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::h5127a1067d17613b (0x5584dbc832f8)
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/convert.rs:540
[INFO] [stdout]    5: cargo_metadata::MetadataCommand::exec::hf2f8e7fec8046d21 (0x5584dbc37762)
[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::h2d865d839c505b77 (0x5584db8548e4)
[INFO] [stdout]              at src/config.rs:81
[INFO] [stdout]    7: cargo_bump::config::tests::test_config::h4e5c0f63e8002a08 (0x5584db842db2)
[INFO] [stdout]              at src/config.rs:174
[INFO] [stdout]    8: cargo_bump::config::tests::version_bump_and_build::hc427abfd9298cda1 (0x5584db8438ec)
[INFO] [stdout]              at src/config.rs:208
[INFO] [stdout]    9: cargo_bump::config::tests::version_bump_and_build::{{closure}}::h4b0d70c2d8777d9a (0x5584db843659)
[INFO] [stdout]              at src/config.rs:201
[INFO] [stdout]   10: core::ops::function::FnOnce::call_once::hdd8038bdf6b294d4 (0x5584db84579d)
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231
[INFO] [stdout]   11: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h9568fda2c3b99042 (0x5584db863c7e)
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746
[INFO] [stdout]   12: __rust_maybe_catch_panic (0x5584dbd420e9)
[INFO] [stdout]              at src/libpanic_unwind/lib.rs:82
[INFO] [stdout]   13: std::panicking::try::h4b4c6c15836266eb (0x5584db87e277)
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275
[INFO] [stdout]       std::panic::catch_unwind::h133691b514d0224c
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394
[INFO] [stdout]       test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe
[INFO] [stdout]              at src/libtest/lib.rs:1466
[INFO] [stdout]   14: std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 (0x5584db8590f4)
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77
[INFO] [stdout]   15: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 (0x5584db85d274)
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470
[INFO] [stdout]       <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315
[INFO] [stdout]       std::panicking::try::do_call::h59b39c89384b7a2f
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296
[INFO] [stdout]   16: __rust_maybe_catch_panic (0x5584dbd420e9)
[INFO] [stdout]              at src/libpanic_unwind/lib.rs:82
[INFO] [stdout]   17: std::panicking::try::h9fff34be50f16431 (0x5584db85d8b1)
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275
[INFO] [stdout]       std::panic::catch_unwind::h7551856ff7c5e12a
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394
[INFO] [stdout]       std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469
[INFO] [stdout]       core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231
[INFO] [stdout]   18: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h55ef432b72ff7a0b (0x5584dbd2f20e)
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746
[INFO] [stdout]   19: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h9294a5138530eae1 (0x5584dbd4183f)
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746
[INFO] [stdout]       std::sys_common::thread::start_thread::h0d2733dd32c3723c
[INFO] [stdout]              at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]       std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1
[INFO] [stdout]              at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   20: start_thread (0x7fe5b03034a3)
[INFO] [stdout]   21: __clone (0x7fe5afe2ed0e)
[INFO] [stdout]   22: <unknown> (0x0)) } })', src/libcore/result.rs:999:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5584dbd3ad6b - backtrace::backtrace::libunwind::trace::h5dfa5d4c5feed6dc
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stdout]    1:     0x5584dbd3ad6b - backtrace::backtrace::trace_unsynchronized::hb731fe64f3fa469f
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x5584dbd3ad6b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stdout]    3:     0x5584dbd3ad6b - std::sys_common::backtrace::print::h31646c3786c57441
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stdout]    4:     0x5584dbd3ad6b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7
[INFO] [stdout]                                at src/libstd/panicking.rs:200
[INFO] [stdout]    5:     0x5584dbd3a9da - std::panicking::default_hook::h0c4b76f338614ef1
[INFO] [stdout]                                at src/libstd/panicking.rs:211
[INFO] [stdout]    6:     0x5584dbd3b4e0 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce
[INFO] [stdout]                                at src/libstd/panicking.rs:477
[INFO] [stdout]    7:     0x5584dbd3b062 - std::panicking::continue_panic_fmt::h0046167652be99a6
[INFO] [stdout]                                at src/libstd/panicking.rs:384
[INFO] [stdout]    8:     0x5584dbd3af46 - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:311
[INFO] [stdout]    9:     0x5584dbd5a0ad - core::panicking::panic_fmt::h8980489a6c4a44cb
[INFO] [stdout]                                at src/libcore/panicking.rs:85
[INFO] [stdout]   10:     0x5584db841a13 - core::result::unwrap_failed::he29449f8f3779727
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18
[INFO] [stdout]   11:     0x5584db841b98 - core::result::Result<T,E>::expect::h4b1a14b0b68eb91d
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:827
[INFO] [stdout]   12:     0x5584db854908 - cargo_bump::config::Config::from_matches::h2d865d839c505b77
[INFO] [stdout]                                at src/config.rs:81
[INFO] [stdout]   13:     0x5584db842db3 - cargo_bump::config::tests::test_config::h4e5c0f63e8002a08
[INFO] [stdout]                                at src/config.rs:174
[INFO] [stdout]   14:     0x5584db8438ed - cargo_bump::config::tests::version_bump_and_build::hc427abfd9298cda1
[INFO] [stdout]                                at src/config.rs:208
[INFO] [stdout]   15:     0x5584db84365a - cargo_bump::config::tests::version_bump_and_build::{{closure}}::h4b0d70c2d8777d9a
[INFO] [stdout]                                at src/config.rs:201
[INFO] [stdout]   16:     0x5584db84579e - core::ops::function::FnOnce::call_once::hdd8038bdf6b294d4
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231
[INFO] [stdout]   17:     0x5584db863c7f - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h9568fda2c3b99042
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746
[INFO] [stdout]   18:     0x5584dbd420ea - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stdout]   19:     0x5584db87e278 - std::panicking::try::h4b4c6c15836266eb
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275
[INFO] [stdout]   20:     0x5584db87e278 - std::panic::catch_unwind::h133691b514d0224c
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394
[INFO] [stdout]   21:     0x5584db87e278 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe
[INFO] [stdout]                                at src/libtest/lib.rs:1466
[INFO] [stdout]   22:     0x5584db8590f5 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77
[INFO] [stdout]   23:     0x5584db85d275 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470
[INFO] [stdout]   24:     0x5584db85d275 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315
[INFO] [stdout]   25:     0x5584db85d275 - std::panicking::try::do_call::h59b39c89384b7a2f
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296
[INFO] [stdout]   26:     0x5584dbd420ea - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stdout]   27:     0x5584db85d8b2 - std::panicking::try::h9fff34be50f16431
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275
[INFO] [stdout]   28:     0x5584db85d8b2 - std::panic::catch_unwind::h7551856ff7c5e12a
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394
[INFO] [stdout]   29:     0x5584db85d8b2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469
[INFO] [stdout]   30:     0x5584db85d8b2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231
[INFO] [stdout]   31:     0x5584dbd2f20f - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h55ef432b72ff7a0b
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746
[INFO] [stdout]   32:     0x5584dbd41840 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h9294a5138530eae1
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746
[INFO] [stdout]   33:     0x5584dbd41840 - std::sys_common::thread::start_thread::h0d2733dd32c3723c
[INFO] [stdout]                                at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]   34:     0x5584dbd41840 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   35:     0x7fe5b03034a4 - start_thread
[INFO] [stdout]   36:     0x7fe5afe2ed0f - __clone
[INFO] [stdout]   37:                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::hdf85c8435058267b (0x5584dbcfda74)
[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::h3eed0010bb2925a0 (0x5584dbcfc182)
[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::h5b78ea4f7ab68bc1 (0x5584dbc83a9a)
[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::h5d349ec056fd902d (0x5584dbc83ca8)
[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::h5127a1067d17613b (0x5584dbc832f8)
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/convert.rs:540
[INFO] [stdout]    5: cargo_metadata::MetadataCommand::exec::hf2f8e7fec8046d21 (0x5584dbc37762)
[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::h2d865d839c505b77 (0x5584db8548e4)
[INFO] [stdout]              at src/config.rs:81
[INFO] [stdout]    7: cargo_bump::config::tests::test_config::h4e5c0f63e8002a08 (0x5584db842db2)
[INFO] [stdout]              at src/config.rs:174
[INFO] [stdout]    8: cargo_bump::config::tests::bump_arg_only::h1cbd07a457724ba5 (0x5584db8432ec)
[INFO] [stdout]              at src/config.rs:182
[INFO] [stdout]    9: cargo_bump::config::tests::bump_arg_only::{{closure}}::h745d8188af2facfc (0x5584db843219)
[INFO] [stdout]              at src/config.rs:180
[INFO] [stdout]   10: core::ops::function::FnOnce::call_once::h180e7b4fefe706ef (0x5584db84559d)
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231
[INFO] [stdout]   11: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h9568fda2c3b99042 (0x5584db863c7e)
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746
[INFO] [stdout]   12: __rust_maybe_catch_panic (0x5584dbd420e9)
[INFO] [stdout]              at src/libpanic_unwind/lib.rs:82
[INFO] [stdout]   13: std::panicking::try::h4b4c6c15836266eb (0x5584db87e277)
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275
[INFO] [stdout]       std::panic::catch_unwind::h133691b514d0224c
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394
[INFO] [stdout]       test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe
[INFO] [stdout]              at src/libtest/lib.rs:1466
[INFO] [stdout]   14: std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 (0x5584db8590f4)
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77
[INFO] [stdout]   15: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 (0x5584db85d274)
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470
[INFO] [stdout]       <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315
[INFO] [stdout]       std::panicking::try::do_call::h59b39c89384b7a2f
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296
[INFO] [stdout]   16: __rust_maybe_catch_panic (0x5584dbd420e9)
[INFO] [stdout]              at src/libpanic_unwind/lib.rs:82
[INFO] [stdout]   17: std::panicking::try::h9fff34be50f16431 (0x5584db85d8b1)
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275
[INFO] [stdout]       std::panic::catch_unwind::h7551856ff7c5e12a
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394
[INFO] [stdout]       std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469
[INFO] [stdout]       core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231
[INFO] [stdout]   18: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h55ef432b72ff7a0b (0x5584dbd2f20e)
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746
[INFO] [stdout]   19: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h9294a5138530eae1 (0x5584dbd4183f)
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746
[INFO] [stdout]       std::sys_common::thread::start_thread::h0d2733dd32c3723c
[INFO] [stdout]              at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]       std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1
[INFO] [stdout]              at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   20: start_thread (0x7fe5b03034a3)
[INFO] [stdout]   21: __clone (0x7fe5afe2ed0e)
[INFO] [stdout]   22: <unknown> (0x0)) } })', src/libcore/result.rs:999:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5584dbd3ad6b - backtrace::backtrace::libunwind::trace::h5dfa5d4c5feed6dc
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stdout]    1:     0x5584dbd3ad6b - backtrace::backtrace::trace_unsynchronized::hb731fe64f3fa469f
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x5584dbd3ad6b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stdout]    3:     0x5584dbd3ad6b - std::sys_common::backtrace::print::h31646c3786c57441
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stdout]    4:     0x5584dbd3ad6b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7
[INFO] [stdout]                                at src/libstd/panicking.rs:200
[INFO] [stdout]    5:     0x5584dbd3a9da - std::panicking::default_hook::h0c4b76f338614ef1
[INFO] [stdout]                                at src/libstd/panicking.rs:211
[INFO] [stdout]    6:     0x5584dbd3b4e0 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce
[INFO] [stdout]                                at src/libstd/panicking.rs:477
[INFO] [stdout]    7:     0x5584dbd3b062 - std::panicking::continue_panic_fmt::h0046167652be99a6
[INFO] [stdout]                                at src/libstd/panicking.rs:384
[INFO] [stdout]    8:     0x5584dbd3af46 - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:311
[INFO] [stdout]    9:     0x5584dbd5a0ad - core::panicking::panic_fmt::h8980489a6c4a44cb
[INFO] [stdout]                                at src/libcore/panicking.rs:85
[INFO] [stdout]   10:     0x5584db841a13 - core::result::unwrap_failed::he29449f8f3779727
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18
[INFO] [stdout]   11:     0x5584db841b98 - core::result::Result<T,E>::expect::h4b1a14b0b68eb91d
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:827
[INFO] [stdout]   12:     0x5584db854908 - cargo_bump::config::Config::from_matches::h2d865d839c505b77
[INFO] [stdout]                                at src/config.rs:81
[INFO] [stdout]   13:     0x5584db842db3 - cargo_bump::config::tests::test_config::h4e5c0f63e8002a08
[INFO] [stdout]                                at src/config.rs:174
[INFO] [stdout]   14:     0x5584db8432ed - cargo_bump::config::tests::bump_arg_only::h1cbd07a457724ba5
[INFO] [stdout]                                at src/config.rs:182
[INFO] [stdout]   15:     0x5584db84321a - cargo_bump::config::tests::bump_arg_only::{{closure}}::h745d8188af2facfc
[INFO] [stdout]                                at src/config.rs:180
[INFO] [stdout]   16:     0x5584db84559e - core::ops::function::FnOnce::call_once::h180e7b4fefe706ef
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231
[INFO] [stdout]   17:     0x5584db863c7f - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h9568fda2c3b99042
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746
[INFO] [stdout]   18:     0x5584dbd420ea - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stdout]   19:     0x5584db87e278 - std::panicking::try::h4b4c6c15836266eb
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275
[INFO] [stdout]   20:     0x5584db87e278 - std::panic::catch_unwind::h133691b514d0224c
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394
[INFO] [stdout]   21:     0x5584db87e278 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe
[INFO] [stdout]                                at src/libtest/lib.rs:1466
[INFO] [stdout]   22:     0x5584db8590f5 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77
[INFO] [stdout]   23:     0x5584db85d275 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470
[INFO] [stdout]   24:     0x5584db85d275 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315
[INFO] [stdout]   25:     0x5584db85d275 - std::panicking::try::do_call::h59b39c89384b7a2f
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296
[INFO] [stdout]   26:     0x5584dbd420ea - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stdout]   27:     0x5584db85d8b2 - std::panicking::try::h9fff34be50f16431
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275
[INFO] [stdout]   28:     0x5584db85d8b2 - std::panic::catch_unwind::h7551856ff7c5e12a
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394
[INFO] [stdout]   29:     0x5584db85d8b2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469
[INFO] [stdout]   30:     0x5584db85d8b2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231
[INFO] [stdout]   31:     0x5584dbd2f20f - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h55ef432b72ff7a0b
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746
[INFO] [stdout]   32:     0x5584dbd41840 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h9294a5138530eae1
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746
[INFO] [stdout]   33:     0x5584dbd41840 - std::sys_common::thread::start_thread::h0d2733dd32c3723c
[INFO] [stdout]                                at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]   34:     0x5584dbd41840 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   35:     0x7fe5b03034a4 - start_thread
[INFO] [stdout]   36:     0x7fe5afe2ed0f - __clone
[INFO] [stdout]   37:                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::hdf85c8435058267b (0x5584dbcfda74)
[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::h3eed0010bb2925a0 (0x5584dbcfc182)
[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::h5b78ea4f7ab68bc1 (0x5584dbc83a9a)
[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::h5d349ec056fd902d (0x5584dbc83ca8)
[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::h5127a1067d17613b (0x5584dbc832f8)
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/convert.rs:540
[INFO] [stdout]    5: cargo_metadata::MetadataCommand::exec::hf2f8e7fec8046d21 (0x5584dbc37762)
[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::h2d865d839c505b77 (0x5584db8548e4)
[INFO] [stdout]              at src/config.rs:81
[INFO] [stdout]    7: cargo_bump::config::tests::test_config::h4e5c0f63e8002a08 (0x5584db842db2)
[INFO] [stdout]              at src/config.rs:174
[INFO] [stdout]    8: cargo_bump::config::tests::version_bump_and_pre::h8d21490dae1d5b12 (0x5584db843cc7)
[INFO] [stdout]              at src/config.rs:219
[INFO] [stdout]    9: cargo_bump::config::tests::version_bump_and_pre::{{closure}}::h37345c3b40a1ff65 (0x5584db843959)
[INFO] [stdout]              at src/config.rs:212
[INFO] [stdout]   10: core::ops::function::FnOnce::call_once::hc390b87698d0d91f (0x5584db84575d)
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231
[INFO] [stdout]   11: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h9568fda2c3b99042 (0x5584db863c7e)
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746
[INFO] [stdout]   12: __rust_maybe_catch_panic (0x5584dbd420e9)
[INFO] [stdout]              at src/libpanic_unwind/lib.rs:82
[INFO] [stdout]   13: std::panicking::try::h4b4c6c15836266eb (0x5584db87e277)
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275
[INFO] [stdout]       std::panic::catch_unwind::h133691b514d0224c
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394
[INFO] [stdout]       test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe
[INFO] [stdout]              at src/libtest/lib.rs:1466
[INFO] [stdout]   14: std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 (0x5584db8590f4)
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77
[INFO] [stdout]   15: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 (0x5584db85d274)
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470
[INFO] [stdout]       <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315
[INFO] [stdout]       std::panicking::try::do_call::h59b39c89384b7a2f
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296
[INFO] [stdout]   16: __rust_maybe_catch_panic (0x5584dbd420e9)
[INFO] [stdout]              at src/libpanic_unwind/lib.rs:82
[INFO] [stdout]   17: std::panicking::try::h9fff34be50f16431 (0x5584db85d8b1)
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275
[INFO] [stdout]       std::panic::catch_unwind::h7551856ff7c5e12a
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394
[INFO] [stdout]       std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469
[INFO] [stdout]       core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231
[INFO] [stdout]   18: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h55ef432b72ff7a0b (0x5584dbd2f20e)
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746
[INFO] [stdout]   19: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h9294a5138530eae1 (0x5584dbd4183f)
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746
[INFO] [stdout]       std::sys_common::thread::start_thread::h0d2733dd32c3723c
[INFO] [stdout]              at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]       std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1
[INFO] [stdout]              at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   20: start_thread (0x7fe5b03034a3)
[INFO] [stdout]   21: __clone (0x7fe5afe2ed0e)
[INFO] [stdout]   22: <unknown> (0x0)) } })', src/libcore/result.rs:999:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5584dbd3ad6b - backtrace::backtrace::libunwind::trace::h5dfa5d4c5feed6dc
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stdout]    1:     0x5584dbd3ad6b - backtrace::backtrace::trace_unsynchronized::hb731fe64f3fa469f
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x5584dbd3ad6b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stdout]    3:     0x5584dbd3ad6b - std::sys_common::backtrace::print::h31646c3786c57441
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stdout]    4:     0x5584dbd3ad6b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7
[INFO] [stdout]                                at src/libstd/panicking.rs:200
[INFO] [stdout]    5:     0x5584dbd3a9da - std::panicking::default_hook::h0c4b76f338614ef1
[INFO] [stdout]                                at src/libstd/panicking.rs:211
[INFO] [stdout]    6:     0x5584dbd3b4e0 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce
[INFO] [stdout]                                at src/libstd/panicking.rs:477
[INFO] [stdout]    7:     0x5584dbd3b062 - std::panicking::continue_panic_fmt::h0046167652be99a6
[INFO] [stdout]                                at src/libstd/panicking.rs:384
[INFO] [stdout]    8:     0x5584dbd3af46 - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:311
[INFO] [stdout]    9:     0x5584dbd5a0ad - core::panicking::panic_fmt::h8980489a6c4a44cb
[INFO] [stdout]                                at src/libcore/panicking.rs:85
[INFO] [stdout]   10:     0x5584db841a13 - core::result::unwrap_failed::he29449f8f3779727
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18
[INFO] [stdout]   11:     0x5584db841b98 - core::result::Result<T,E>::expect::h4b1a14b0b68eb91d
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:827
[INFO] [stdout]   12:     0x5584db854908 - cargo_bump::config::Config::from_matches::h2d865d839c505b77
[INFO] [stdout]                                at src/config.rs:81
[INFO] [stdout]   13:     0x5584db842db3 - cargo_bump::config::tests::test_config::h4e5c0f63e8002a08
[INFO] [stdout]                                at src/config.rs:174
[INFO] [stdout]   14:     0x5584db843cc8 - cargo_bump::config::tests::version_bump_and_pre::h8d21490dae1d5b12
[INFO] [stdout]                                at src/config.rs:219
[INFO] [stdout]   15:     0x5584db84395a - cargo_bump::config::tests::version_bump_and_pre::{{closure}}::h37345c3b40a1ff65
[INFO] [stdout]                                at src/config.rs:212
[INFO] [stdout]   16:     0x5584db84575e - core::ops::function::FnOnce::call_once::hc390b87698d0d91f
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231
[INFO] [stdout]   17:     0x5584db863c7f - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h9568fda2c3b99042
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746
[INFO] [stdout]   18:     0x5584dbd420ea - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stdout]   19:     0x5584db87e278 - std::panicking::try::h4b4c6c15836266eb
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275
[INFO] [stdout]   20:     0x5584db87e278 - std::panic::catch_unwind::h133691b514d0224c
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394
[INFO] [stdout]   21:     0x5584db87e278 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe
[INFO] [stdout]                                at src/libtest/lib.rs:1466
[INFO] [stdout]   22:     0x5584db8590f5 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77
[INFO] [stdout]   23:     0x5584db85d275 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470
[INFO] [stdout]   24:     0x5584db85d275 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315
[INFO] [stdout]   25:     0x5584db85d275 - std::panicking::try::do_call::h59b39c89384b7a2f
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296
[INFO] [stdout]   26:     0x5584dbd420ea - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stdout]   27:     0x5584db85d8b2 - std::panicking::try::h9fff34be50f16431
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275
[INFO] [stdout]   28:     0x5584db85d8b2 - std::panic::catch_unwind::h7551856ff7c5e12a
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394
[INFO] [stdout]   29:     0x5584db85d8b2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469
[INFO] [stdout]   30:     0x5584db85d8b2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231
[INFO] [stdout]   31:     0x5584dbd2f20f - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h55ef432b72ff7a0b
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746
[INFO] [stdout]   32:     0x5584dbd41840 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h9294a5138530eae1
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746
[INFO] [stdout]   33:     0x5584dbd41840 - std::sys_common::thread::start_thread::h0d2733dd32c3723c
[INFO] [stdout]                                at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]   34:     0x5584dbd41840 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   35:     0x7fe5b03034a4 - start_thread
[INFO] [stdout]   36:     0x7fe5afe2ed0f - __clone
[INFO] [stdout]   37:                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::hdf85c8435058267b (0x5584dbcfda74)
[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::h3eed0010bb2925a0 (0x5584dbcfc182)
[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::h5b78ea4f7ab68bc1 (0x5584dbc83a9a)
[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::h5d349ec056fd902d (0x5584dbc83ca8)
[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::h5127a1067d17613b (0x5584dbc832f8)
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/convert.rs:540
[INFO] [stdout]    5: cargo_metadata::MetadataCommand::exec::hf2f8e7fec8046d21 (0x5584dbc37762)
[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::h2d865d839c505b77 (0x5584db8548e4)
[INFO] [stdout]              at src/config.rs:81
[INFO] [stdout]    7: cargo_bump::config::tests::test_config::h4e5c0f63e8002a08 (0x5584db842db2)
[INFO] [stdout]              at src/config.rs:174
[INFO] [stdout]    8: cargo_bump::config::tests::version_arg_minor::hf8badf9e14d07fec (0x5584db84342f)
[INFO] [stdout]              at src/config.rs:188
[INFO] [stdout]    9: cargo_bump::config::tests::version_arg_minor::{{closure}}::hc9e27b84a3c18592 (0x5584db843349)
[INFO] [stdout]              at src/config.rs:186
[INFO] [stdout]   10: core::ops::function::FnOnce::call_once::h4b5662643e298bb4 (0x5584db84569d)
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231
[INFO] [stdout]   11: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h9568fda2c3b99042 (0x5584db863c7e)
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746
[INFO] [stdout]   12: __rust_maybe_catch_panic (0x5584dbd420e9)
[INFO] [stdout]              at src/libpanic_unwind/lib.rs:82
[INFO] [stdout]   13: std::panicking::try::h4b4c6c15836266eb (0x5584db87e277)
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275
[INFO] [stdout]       std::panic::catch_unwind::h133691b514d0224c
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394
[INFO] [stdout]       test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe
[INFO] [stdout]              at src/libtest/lib.rs:1466
[INFO] [stdout]   14: std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 (0x5584db8590f4)
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77
[INFO] [stdout]   15: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 (0x5584db85d274)
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470
[INFO] [stdout]       <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315
[INFO] [stdout]       std::panicking::try::do_call::h59b39c89384b7a2f
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296
[INFO] [stdout]   16: __rust_maybe_catch_panic (0x5584dbd420e9)
[INFO] [stdout]              at src/libpanic_unwind/lib.rs:82
[INFO] [stdout]   17: std::panicking::try::h9fff34be50f16431 (0x5584db85d8b1)
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275
[INFO] [stdout]       std::panic::catch_unwind::h7551856ff7c5e12a
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394
[INFO] [stdout]       std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469
[INFO] [stdout]       core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231
[INFO] [stdout]   18: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h55ef432b72ff7a0b (0x5584dbd2f20e)
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746
[INFO] [stdout]   19: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h9294a5138530eae1 (0x5584dbd4183f)
[INFO] [stdout]              at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746
[INFO] [stdout]       std::sys_common::thread::start_thread::h0d2733dd32c3723c
[INFO] [stdout]              at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]       std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1
[INFO] [stdout]              at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   20: start_thread (0x7fe5b03034a3)
[INFO] [stdout]   21: __clone (0x7fe5afe2ed0e)
[INFO] [stdout]   22: <unknown> (0x0)) } })', src/libcore/result.rs:999:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5584dbd3ad6b - backtrace::backtrace::libunwind::trace::h5dfa5d4c5feed6dc
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stdout]    1:     0x5584dbd3ad6b - backtrace::backtrace::trace_unsynchronized::hb731fe64f3fa469f
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x5584dbd3ad6b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stdout]    3:     0x5584dbd3ad6b - std::sys_common::backtrace::print::h31646c3786c57441
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stdout]    4:     0x5584dbd3ad6b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7
[INFO] [stdout]                                at src/libstd/panicking.rs:200
[INFO] [stdout]    5:     0x5584dbd3a9da - std::panicking::default_hook::h0c4b76f338614ef1
[INFO] [stdout]                                at src/libstd/panicking.rs:211
[INFO] [stdout]    6:     0x5584dbd3b4e0 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce
[INFO] [stdout]                                at src/libstd/panicking.rs:477
[INFO] [stdout]    7:     0x5584dbd3b062 - std::panicking::continue_panic_fmt::h0046167652be99a6
[INFO] [stdout]                                at src/libstd/panicking.rs:384
[INFO] [stdout]    8:     0x5584dbd3af46 - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:311
[INFO] [stdout]    9:     0x5584dbd5a0ad - core::panicking::panic_fmt::h8980489a6c4a44cb
[INFO] [stdout]                                at src/libcore/panicking.rs:85
[INFO] [stdout]   10:     0x5584db841a13 - core::result::unwrap_failed::he29449f8f3779727
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18
[INFO] [stdout]   11:     0x5584db841b98 - core::result::Result<T,E>::expect::h4b1a14b0b68eb91d
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:827
[INFO] [stdout]   12:     0x5584db854908 - cargo_bump::config::Config::from_matches::h2d865d839c505b77
[INFO] [stdout]                                at src/config.rs:81
[INFO] [stdout]   13:     0x5584db842db3 - cargo_bump::config::tests::test_config::h4e5c0f63e8002a08
[INFO] [stdout]                                at src/config.rs:174
[INFO] [stdout]   14:     0x5584db843430 - cargo_bump::config::tests::version_arg_minor::hf8badf9e14d07fec
[INFO] [stdout]                                at src/config.rs:188
[INFO] [stdout]   15:     0x5584db84334a - cargo_bump::config::tests::version_arg_minor::{{closure}}::hc9e27b84a3c18592
[INFO] [stdout]                                at src/config.rs:186
[INFO] [stdout]   16:     0x5584db84569e - core::ops::function::FnOnce::call_once::h4b5662643e298bb4
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231
[INFO] [stdout]   17:     0x5584db863c7f - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h9568fda2c3b99042
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746
[INFO] [stdout]   18:     0x5584dbd420ea - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stdout]   19:     0x5584db87e278 - std::panicking::try::h4b4c6c15836266eb
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275
[INFO] [stdout]   20:     0x5584db87e278 - std::panic::catch_unwind::h133691b514d0224c
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394
[INFO] [stdout]   21:     0x5584db87e278 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe
[INFO] [stdout]                                at src/libtest/lib.rs:1466
[INFO] [stdout]   22:     0x5584db8590f5 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77
[INFO] [stdout]   23:     0x5584db85d275 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470
[INFO] [stdout]   24:     0x5584db85d275 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315
[INFO] [stdout]   25:     0x5584db85d275 - std::panicking::try::do_call::h59b39c89384b7a2f
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296
[INFO] [stdout]   26:     0x5584dbd420ea - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stdout]   27:     0x5584db85d8b2 - std::panicking::try::h9fff34be50f16431
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275
[INFO] [stdout]   28:     0x5584db85d8b2 - std::panic::catch_unwind::h7551856ff7c5e12a
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394
[INFO] [stdout]   29:     0x5584db85d8b2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469
[INFO] [stdout]   30:     0x5584db85d8b2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231
[INFO] [stdout]   31:     0x5584dbd2f20f - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h55ef432b72ff7a0b
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746
[INFO] [stdout]   32:     0x5584dbd41840 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h9294a5138530eae1
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746
[INFO] [stdout]   33:     0x5584dbd41840 - std::sys_common::thread::start_thread::h0d2733dd32c3723c
[INFO] [stdout]                                at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]   34:     0x5584dbd41840 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   35:     0x7fe5b03034a4 - start_thread
[INFO] [stdout]   36:     0x7fe5afe2ed0f - __clone
[INFO] [stdout]   37:                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" "1d3a2a1f391d7c3c01421b5cc2866fb00d227a481136fa84db11df15c46d6997"`
[INFO] running `"docker" "rm" "-f" "1d3a2a1f391d7c3c01421b5cc2866fb00d227a481136fa84db11df15c46d6997"`
[INFO] [stdout] 1d3a2a1f391d7c3c01421b5cc2866fb00d227a481136fa84db11df15c46d6997