[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-1.38-1/sources/1.37.0/gh/wraithan/cargo-bump"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/wraithan/cargo-bump'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/wraithan/cargo-bump" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wraithan/cargo-bump"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of wraithan/cargo-bump on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing wraithan/cargo-bump against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] fd5c9b95fc91a76aeb1d3423427829201bb3c9d12e4f77885b0f1883e4a04622
[INFO] running `"docker" "start" "-a" "fd5c9b95fc91a76aeb1d3423427829201bb3c9d12e4f77885b0f1883e4a04622"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.26
[INFO] [stderr]    Compiling libc v0.2.47
[INFO] [stderr]    Compiling memchr v2.1.3
[INFO] [stderr]    Compiling byteorder v1.3.0
[INFO] [stderr]    Compiling ascii v0.9.1
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling serde v1.0.85
[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 num-integer v0.1.39
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling quote v0.6.11
[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 combine v3.6.6
[INFO] [stderr]    Compiling serde_derive v1.0.85
[INFO] [stderr]    Compiling serde_json v1.0.36
[INFO] [stderr]    Compiling semver v0.9.0
[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 35s
[INFO] running `"docker" "inspect" "fd5c9b95fc91a76aeb1d3423427829201bb3c9d12e4f77885b0f1883e4a04622"`
[INFO] running `"docker" "rm" "-f" "fd5c9b95fc91a76aeb1d3423427829201bb3c9d12e4f77885b0f1883e4a04622"`
[INFO] [stdout] fd5c9b95fc91a76aeb1d3423427829201bb3c9d12e4f77885b0f1883e4a04622
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] b1019c438967b3944f61c445f4b41d7975fcee5632f2745baacbcbd0a46a066f
[INFO] running `"docker" "start" "-a" "b1019c438967b3944f61c445f4b41d7975fcee5632f2745baacbcbd0a46a066f"`
[INFO] [stderr]    Compiling cargo-bump v1.0.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.80s
[INFO] running `"docker" "inspect" "b1019c438967b3944f61c445f4b41d7975fcee5632f2745baacbcbd0a46a066f"`
[INFO] running `"docker" "rm" "-f" "b1019c438967b3944f61c445f4b41d7975fcee5632f2745baacbcbd0a46a066f"`
[INFO] [stdout] b1019c438967b3944f61c445f4b41d7975fcee5632f2745baacbcbd0a46a066f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 343b1809ea5bbdcab25fb785094e8e8b5de45306c0332e126984678714813ed3
[INFO] running `"docker" "start" "-a" "343b1809ea5bbdcab25fb785094e8e8b5de45306c0332e126984678714813ed3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cargo_bump-c8615559796351a2
[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::bump_arg_only ... FAILED
[INFO] [stdout] test config::tests::version_bump_and_build ... FAILED
[INFO] [stdout] test config::tests::version_arg_minor ... 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::h7305df3259582fce (0x55c2d73d9274)
[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::h46ace07d1bd95ce3 (0x55c2d73d7982)
[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::hf21d1bd8183206f2 (0x55c2d735f2fa)
[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::h8ed7413105145813 (0x55c2d735f508)
[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::h1e79649d319802c1 (0x55c2d735eac8)
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540
[INFO] [stdout]    5: cargo_metadata::MetadataCommand::exec::h2ba74d58b4c35656 (0x55c2d7312fc2)
[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::hc4576f00804e3538 (0x55c2d6f2f514)
[INFO] [stdout]              at src/config.rs:81
[INFO] [stdout]    7: cargo_bump::config::tests::test_config::hd0024fae550fbdc1 (0x55c2d6f1d9e2)
[INFO] [stdout]              at src/config.rs:174
[INFO] [stdout]    8: cargo_bump::config::tests::version_arg_string_good::haa2af972086d2b3c (0x55c2d6f1e225)
[INFO] [stdout]              at src/config.rs:194
[INFO] [stdout]    9: cargo_bump::config::tests::version_arg_string_good::{{closure}}::h9028ca32769953bb (0x55c2d6f1e0b9)
[INFO] [stdout]              at src/config.rs:192
[INFO] [stdout]   10: core::ops::function::FnOnce::call_once::hf79bd9dd070202de (0x55c2d6f2043d)
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231
[INFO] [stdout]   11: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h4a13ee3f0d7b4201 (0x55c2d6f3e8ae)
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746
[INFO] [stdout]   12: __rust_maybe_catch_panic (0x55c2d741da79)
[INFO] [stdout]              at src/libpanic_unwind/lib.rs:82
[INFO] [stdout]   13: std::panicking::try::h5a93466ab2078586 (0x55c2d6f58ea7)
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275
[INFO] [stdout]       std::panic::catch_unwind::h752cbeae6ac7bdea
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394
[INFO] [stdout]       test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca
[INFO] [stdout]              at src/libtest/lib.rs:1466
[INFO] [stdout]   14: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x55c2d6f33d24)
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77
[INFO] [stdout]   15: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x55c2d6f37de4)
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470
[INFO] [stdout]       <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315
[INFO] [stdout]       std::panicking::try::do_call::h41f8559f88100f6c
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296
[INFO] [stdout]   16: __rust_maybe_catch_panic (0x55c2d741da79)
[INFO] [stdout]              at src/libpanic_unwind/lib.rs:82
[INFO] [stdout]   17: std::panicking::try::hb54ba808181fe352 (0x55c2d6f384e1)
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275
[INFO] [stdout]       std::panic::catch_unwind::h555ccf4e835e93f4
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394
[INFO] [stdout]       std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469
[INFO] [stdout]       core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231
[INFO] [stdout]   18: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h42806b83647d4c79 (0x55c2d740ab9e)
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746
[INFO] [stdout]   19: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h83c921c8e826dd1d (0x55c2d741d1cf)
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746
[INFO] [stdout]       std::sys_common::thread::start_thread::h2613204ce513782e
[INFO] [stdout]              at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]       std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd
[INFO] [stdout]              at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   20: start_thread (0x7f13dc7234a3)
[INFO] [stdout]   21: __clone (0x7f13dc24ed0e)
[INFO] [stdout]   22: <unknown> (0x0)) } })', src/libcore/result.rs:999:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55c2d74166fb - backtrace::backtrace::libunwind::trace::hfe5db90796807973
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stdout]    1:     0x55c2d74166fb - backtrace::backtrace::trace_unsynchronized::h34b865a835594335
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x55c2d74166fb - std::sys_common::backtrace::_print::h527254ae44989167
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stdout]    3:     0x55c2d74166fb - std::sys_common::backtrace::print::he85dd5ddddf46503
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stdout]    4:     0x55c2d74166fb - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14
[INFO] [stdout]                                at src/libstd/panicking.rs:200
[INFO] [stdout]    5:     0x55c2d741636a - std::panicking::default_hook::h2ca0f9a30a0e206b
[INFO] [stdout]                                at src/libstd/panicking.rs:211
[INFO] [stdout]    6:     0x55c2d7416e70 - std::panicking::rust_panic_with_hook::hffcefc09751839d1
[INFO] [stdout]                                at src/libstd/panicking.rs:477
[INFO] [stdout]    7:     0x55c2d74169f2 - std::panicking::continue_panic_fmt::hc0f142c930c846fc
[INFO] [stdout]                                at src/libstd/panicking.rs:384
[INFO] [stdout]    8:     0x55c2d74168d6 - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:311
[INFO] [stdout]    9:     0x55c2d7435a3d - core::panicking::panic_fmt::h2daf88b2616ca2b2
[INFO] [stdout]                                at src/libcore/panicking.rs:85
[INFO] [stdout]   10:     0x55c2d6f1c503 - core::result::unwrap_failed::h0ef493cb8d2738d1
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18
[INFO] [stdout]   11:     0x55c2d6f1c928 - core::result::Result<T,E>::expect::hb24c8e7f35750c75
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:827
[INFO] [stdout]   12:     0x55c2d6f2f538 - cargo_bump::config::Config::from_matches::hc4576f00804e3538
[INFO] [stdout]                                at src/config.rs:81
[INFO] [stdout]   13:     0x55c2d6f1d9e3 - cargo_bump::config::tests::test_config::hd0024fae550fbdc1
[INFO] [stdout]                                at src/config.rs:174
[INFO] [stdout]   14:     0x55c2d6f1e226 - cargo_bump::config::tests::version_arg_string_good::haa2af972086d2b3c
[INFO] [stdout]                                at src/config.rs:194
[INFO] [stdout]   15:     0x55c2d6f1e0ba - cargo_bump::config::tests::version_arg_string_good::{{closure}}::h9028ca32769953bb
[INFO] [stdout]                                at src/config.rs:192
[INFO] [stdout]   16:     0x55c2d6f2043e - core::ops::function::FnOnce::call_once::hf79bd9dd070202de
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231
[INFO] [stdout]   17:     0x55c2d6f3e8af - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h4a13ee3f0d7b4201
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746
[INFO] [stdout]   18:     0x55c2d741da7a - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stdout]   19:     0x55c2d6f58ea8 - std::panicking::try::h5a93466ab2078586
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275
[INFO] [stdout]   20:     0x55c2d6f58ea8 - std::panic::catch_unwind::h752cbeae6ac7bdea
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394
[INFO] [stdout]   21:     0x55c2d6f58ea8 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca
[INFO] [stdout]                                at src/libtest/lib.rs:1466
[INFO] [stdout]   22:     0x55c2d6f33d25 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77
[INFO] [stdout]   23:     0x55c2d6f37de5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470
[INFO] [stdout]   24:     0x55c2d6f37de5 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315
[INFO] [stdout]   25:     0x55c2d6f37de5 - std::panicking::try::do_call::h41f8559f88100f6c
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296
[INFO] [stdout]   26:     0x55c2d741da7a - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stdout]   27:     0x55c2d6f384e2 - std::panicking::try::hb54ba808181fe352
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275
[INFO] [stdout]   28:     0x55c2d6f384e2 - std::panic::catch_unwind::h555ccf4e835e93f4
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394
[INFO] [stdout]   29:     0x55c2d6f384e2 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469
[INFO] [stdout]   30:     0x55c2d6f384e2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231
[INFO] [stdout]   31:     0x55c2d740ab9f - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h42806b83647d4c79
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746
[INFO] [stdout]   32:     0x55c2d741d1d0 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h83c921c8e826dd1d
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746
[INFO] [stdout]   33:     0x55c2d741d1d0 - std::sys_common::thread::start_thread::h2613204ce513782e
[INFO] [stdout]                                at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]   34:     0x55c2d741d1d0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   35:     0x7f13dc7234a4 - start_thread
[INFO] [stdout]   36:     0x7f13dc24ed0f - __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::h7305df3259582fce (0x55c2d73d9274)
[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::h46ace07d1bd95ce3 (0x55c2d73d7982)
[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::hf21d1bd8183206f2 (0x55c2d735f2fa)
[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::h8ed7413105145813 (0x55c2d735f508)
[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::h1e79649d319802c1 (0x55c2d735eac8)
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540
[INFO] [stdout]    5: cargo_metadata::MetadataCommand::exec::h2ba74d58b4c35656 (0x55c2d7312fc2)
[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::hc4576f00804e3538 (0x55c2d6f2f514)
[INFO] [stdout]              at src/config.rs:81
[INFO] [stdout]    7: cargo_bump::config::tests::test_config::hd0024fae550fbdc1 (0x55c2d6f1d9e2)
[INFO] [stdout]              at src/config.rs:174
[INFO] [stdout]    8: cargo_bump::config::tests::bump_arg_only::hb03bb2c2811f92eb (0x55c2d6f1df1c)
[INFO] [stdout]              at src/config.rs:182
[INFO] [stdout]    9: cargo_bump::config::tests::bump_arg_only::{{closure}}::h960bb63e38ba0fba (0x55c2d6f1de49)
[INFO] [stdout]              at src/config.rs:180
[INFO] [stdout]   10: core::ops::function::FnOnce::call_once::he7b95e007e3757cd (0x55c2d6f203fd)
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231
[INFO] [stdout]   11: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h4a13ee3f0d7b4201 (0x55c2d6f3e8ae)
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746
[INFO] [stdout]   12: __rust_maybe_catch_panic (0x55c2d741da79)
[INFO] [stdout]              at src/libpanic_unwind/lib.rs:82
[INFO] [stdout]   13: std::panicking::try::h5a93466ab2078586 (0x55c2d6f58ea7)
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275
[INFO] [stdout]       std::panic::catch_unwind::h752cbeae6ac7bdea
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394
[INFO] [stdout]       test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca
[INFO] [stdout]              at src/libtest/lib.rs:1466
[INFO] [stdout]   14: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x55c2d6f33d24)
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77
[INFO] [stdout]   15: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x55c2d6f37de4)
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470
[INFO] [stdout]       <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315
[INFO] [stdout]       std::panicking::try::do_call::h41f8559f88100f6c
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296
[INFO] [stdout]   16: __rust_maybe_catch_panic (0x55c2d741da79)
[INFO] [stdout]              at src/libpanic_unwind/lib.rs:82
[INFO] [stdout]   17: std::panicking::try::hb54ba808181fe352 (0x55c2d6f384e1)
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275
[INFO] [stdout]       std::panic::catch_unwind::h555ccf4e835e93f4
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394
[INFO] [stdout]       std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469
[INFO] [stdout]       core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231
[INFO] [stdout]   18: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h42806b83647d4c79 (0x55c2d740ab9e)
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746
[INFO] [stdout]   19: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h83c921c8e826dd1d (0x55c2d741d1cf)
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746
[INFO] [stdout]       std::sys_common::thread::start_thread::h2613204ce513782e
[INFO] [stdout]              at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]       std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd
[INFO] [stdout]              at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   20: start_thread (0x7f13dc7234a3)
[INFO] [stdout]   21: __clone (0x7f13dc24ed0e)
[INFO] [stdout]   22: <unknown> (0x0)) } })', src/libcore/result.rs:999:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55c2d74166fb - backtrace::backtrace::libunwind::trace::hfe5db90796807973
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stdout]    1:     0x55c2d74166fb - backtrace::backtrace::trace_unsynchronized::h34b865a835594335
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x55c2d74166fb - std::sys_common::backtrace::_print::h527254ae44989167
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stdout]    3:     0x55c2d74166fb - std::sys_common::backtrace::print::he85dd5ddddf46503
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stdout]    4:     0x55c2d74166fb - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14
[INFO] [stdout]                                at src/libstd/panicking.rs:200
[INFO] [stdout]    5:     0x55c2d741636a - std::panicking::default_hook::h2ca0f9a30a0e206b
[INFO] [stdout]                                at src/libstd/panicking.rs:211
[INFO] [stdout]    6:     0x55c2d7416e70 - std::panicking::rust_panic_with_hook::hffcefc09751839d1
[INFO] [stdout]                                at src/libstd/panicking.rs:477
[INFO] [stdout]    7:     0x55c2d74169f2 - std::panicking::continue_panic_fmt::hc0f142c930c846fc
[INFO] [stdout]                                at src/libstd/panicking.rs:384
[INFO] [stdout]    8:     0x55c2d74168d6 - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:311
[INFO] [stdout]    9:     0x55c2d7435a3d - core::panicking::panic_fmt::h2daf88b2616ca2b2
[INFO] [stdout]                                at src/libcore/panicking.rs:85
[INFO] [stdout]   10:     0x55c2d6f1c503 - core::result::unwrap_failed::h0ef493cb8d2738d1
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18
[INFO] [stdout]   11:     0x55c2d6f1c928 - core::result::Result<T,E>::expect::hb24c8e7f35750c75
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:827
[INFO] [stdout]   12:     0x55c2d6f2f538 - cargo_bump::config::Config::from_matches::hc4576f00804e3538
[INFO] [stdout]                                at src/config.rs:81
[INFO] [stdout]   13:     0x55c2d6f1d9e3 - cargo_bump::config::tests::test_config::hd0024fae550fbdc1
[INFO] [stdout]                                at src/config.rs:174
[INFO] [stdout]   14:     0x55c2d6f1df1d - cargo_bump::config::tests::bump_arg_only::hb03bb2c2811f92eb
[INFO] [stdout]                                at src/config.rs:182
[INFO] [stdout]   15:     0x55c2d6f1de4a - cargo_bump::config::tests::bump_arg_only::{{closure}}::h960bb63e38ba0fba
[INFO] [stdout]                                at src/config.rs:180
[INFO] [stdout]   16:     0x55c2d6f203fe - core::ops::function::FnOnce::call_once::he7b95e007e3757cd
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231
[INFO] [stdout]   17:     0x55c2d6f3e8af - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h4a13ee3f0d7b4201
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746
[INFO] [stdout]   18:     0x55c2d741da7a - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stdout]   19:     0x55c2d6f58ea8 - std::panicking::try::h5a93466ab2078586
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275
[INFO] [stdout]   20:     0x55c2d6f58ea8 - std::panic::catch_unwind::h752cbeae6ac7bdea
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394
[INFO] [stdout]   21:     0x55c2d6f58ea8 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca
[INFO] [stdout]                                at src/libtest/lib.rs:1466
[INFO] [stdout]   22:     0x55c2d6f33d25 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77
[INFO] [stdout]   23:     0x55c2d6f37de5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470
[INFO] [stdout]   24:     0x55c2d6f37de5 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315
[INFO] [stdout]   25:     0x55c2d6f37de5 - std::panicking::try::do_call::h41f8559f88100f6c
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296
[INFO] [stdout]   26:     0x55c2d741da7a - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stdout]   27:     0x55c2d6f384e2 - std::panicking::try::hb54ba808181fe352
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275
[INFO] [stdout]   28:     0x55c2d6f384e2 - std::panic::catch_unwind::h555ccf4e835e93f4
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394
[INFO] [stdout]   29:     0x55c2d6f384e2 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469
[INFO] [stdout]   30:     0x55c2d6f384e2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231
[INFO] [stdout]   31:     0x55c2d740ab9f - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h42806b83647d4c79
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746
[INFO] [stdout]   32:     0x55c2d741d1d0 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h83c921c8e826dd1d
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746
[INFO] [stdout]   33:     0x55c2d741d1d0 - std::sys_common::thread::start_thread::h2613204ce513782e
[INFO] [stdout]                                at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]   34:     0x55c2d741d1d0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   35:     0x7f13dc7234a4 - start_thread
[INFO] [stdout]   36:     0x7f13dc24ed0f - __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::h7305df3259582fce (0x55c2d73d9274)
[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::h46ace07d1bd95ce3 (0x55c2d73d7982)
[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::hf21d1bd8183206f2 (0x55c2d735f2fa)
[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::h8ed7413105145813 (0x55c2d735f508)
[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::h1e79649d319802c1 (0x55c2d735eac8)
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540
[INFO] [stdout]    5: cargo_metadata::MetadataCommand::exec::h2ba74d58b4c35656 (0x55c2d7312fc2)
[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::hc4576f00804e3538 (0x55c2d6f2f514)
[INFO] [stdout]              at src/config.rs:81
[INFO] [stdout]    7: cargo_bump::config::tests::test_config::hd0024fae550fbdc1 (0x55c2d6f1d9e2)
[INFO] [stdout]              at src/config.rs:174
[INFO] [stdout]    8: cargo_bump::config::tests::version_bump_and_build::hc2ee688e005ec73e (0x55c2d6f1e51c)
[INFO] [stdout]              at src/config.rs:208
[INFO] [stdout]    9: cargo_bump::config::tests::version_bump_and_build::{{closure}}::h5fc6513d8293502c (0x55c2d6f1e289)
[INFO] [stdout]              at src/config.rs:201
[INFO] [stdout]   10: core::ops::function::FnOnce::call_once::h7bd90146047f5edc (0x55c2d6f2024d)
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231
[INFO] [stdout]   11: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h4a13ee3f0d7b4201 (0x55c2d6f3e8ae)
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746
[INFO] [stdout]   12: __rust_maybe_catch_panic (0x55c2d741da79)
[INFO] [stdout]              at src/libpanic_unwind/lib.rs:82
[INFO] [stdout]   13: std::panicking::try::h5a93466ab2078586 (0x55c2d6f58ea7)
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275
[INFO] [stdout]       std::panic::catch_unwind::h752cbeae6ac7bdea
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394
[INFO] [stdout]       test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca
[INFO] [stdout]              at src/libtest/lib.rs:1466
[INFO] [stdout]   14: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x55c2d6f33d24)
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77
[INFO] [stdout]   15: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x55c2d6f37de4)
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470
[INFO] [stdout]       <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315
[INFO] [stdout]       std::panicking::try::do_call::h41f8559f88100f6c
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296
[INFO] [stdout]   16: __rust_maybe_catch_panic (0x55c2d741da79)
[INFO] [stdout]              at src/libpanic_unwind/lib.rs:82
[INFO] [stdout]   17: std::panicking::try::hb54ba808181fe352 (0x55c2d6f384e1)
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275
[INFO] [stdout]       std::panic::catch_unwind::h555ccf4e835e93f4
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394
[INFO] [stdout]       std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469
[INFO] [stdout]       core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231
[INFO] [stdout]   18: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h42806b83647d4c79 (0x55c2d740ab9e)
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746
[INFO] [stdout]   19: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h83c921c8e826dd1d (0x55c2d741d1cf)
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746
[INFO] [stdout]       std::sys_common::thread::start_thread::h2613204ce513782e
[INFO] [stdout]              at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]       std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd
[INFO] [stdout]              at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   20: start_thread (0x7f13dc7234a3)
[INFO] [stdout]   21: __clone (0x7f13dc24ed0e)
[INFO] [stdout]   22: <unknown> (0x0)) } })', src/libcore/result.rs:999:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55c2d74166fb - backtrace::backtrace::libunwind::trace::hfe5db90796807973
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stdout]    1:     0x55c2d74166fb - backtrace::backtrace::trace_unsynchronized::h34b865a835594335
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x55c2d74166fb - std::sys_common::backtrace::_print::h527254ae44989167
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stdout]    3:     0x55c2d74166fb - std::sys_common::backtrace::print::he85dd5ddddf46503
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stdout]    4:     0x55c2d74166fb - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14
[INFO] [stdout]                                at src/libstd/panicking.rs:200
[INFO] [stdout]    5:     0x55c2d741636a - std::panicking::default_hook::h2ca0f9a30a0e206b
[INFO] [stdout]                                at src/libstd/panicking.rs:211
[INFO] [stdout]    6:     0x55c2d7416e70 - std::panicking::rust_panic_with_hook::hffcefc09751839d1
[INFO] [stdout]                                at src/libstd/panicking.rs:477
[INFO] [stdout]    7:     0x55c2d74169f2 - std::panicking::continue_panic_fmt::hc0f142c930c846fc
[INFO] [stdout]                                at src/libstd/panicking.rs:384
[INFO] [stdout]    8:     0x55c2d74168d6 - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:311
[INFO] [stdout]    9:     0x55c2d7435a3d - core::panicking::panic_fmt::h2daf88b2616ca2b2
[INFO] [stdout]                                at src/libcore/panicking.rs:85
[INFO] [stdout]   10:     0x55c2d6f1c503 - core::result::unwrap_failed::h0ef493cb8d2738d1
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18
[INFO] [stdout]   11:     0x55c2d6f1c928 - core::result::Result<T,E>::expect::hb24c8e7f35750c75
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:827
[INFO] [stdout]   12:     0x55c2d6f2f538 - cargo_bump::config::Config::from_matches::hc4576f00804e3538
[INFO] [stdout]                                at src/config.rs:81
[INFO] [stdout]   13:     0x55c2d6f1d9e3 - cargo_bump::config::tests::test_config::hd0024fae550fbdc1
[INFO] [stdout]                                at src/config.rs:174
[INFO] [stdout]   14:     0x55c2d6f1e51d - cargo_bump::config::tests::version_bump_and_build::hc2ee688e005ec73e
[INFO] [stdout]                                at src/config.rs:208
[INFO] [stdout]   15:     0x55c2d6f1e28a - cargo_bump::config::tests::version_bump_and_build::{{closure}}::h5fc6513d8293502c
[INFO] [stdout]                                at src/config.rs:201
[INFO] [stdout]   16:     0x55c2d6f2024e - core::ops::function::FnOnce::call_once::h7bd90146047f5edc
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231
[INFO] [stdout]   17:     0x55c2d6f3e8af - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h4a13ee3f0d7b4201
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746
[INFO] [stdout]   18:     0x55c2d741da7a - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stdout]   19:     0x55c2d6f58ea8 - std::panicking::try::h5a93466ab2078586
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275
[INFO] [stdout]   20:     0x55c2d6f58ea8 - std::panic::catch_unwind::h752cbeae6ac7bdea
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394
[INFO] [stdout]   21:     0x55c2d6f58ea8 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca
[INFO] [stdout]                                at src/libtest/lib.rs:1466
[INFO] [stdout]   22:     0x55c2d6f33d25 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77
[INFO] [stdout]   23:     0x55c2d6f37de5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470
[INFO] [stdout]   24:     0x55c2d6f37de5 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315
[INFO] [stdout]   25:     0x55c2d6f37de5 - std::panicking::try::do_call::h41f8559f88100f6c
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296
[INFO] [stdout]   26:     0x55c2d741da7a - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stdout]   27:     0x55c2d6f384e2 - std::panicking::try::hb54ba808181fe352
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275
[INFO] [stdout]   28:     0x55c2d6f384e2 - std::panic::catch_unwind::h555ccf4e835e93f4
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394
[INFO] [stdout]   29:     0x55c2d6f384e2 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469
[INFO] [stdout]   30:     0x55c2d6f384e2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231
[INFO] [stdout]   31:     0x55c2d740ab9f - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h42806b83647d4c79
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746
[INFO] [stdout]   32:     0x55c2d741d1d0 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h83c921c8e826dd1d
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746
[INFO] [stdout]   33:     0x55c2d741d1d0 - std::sys_common::thread::start_thread::h2613204ce513782e
[INFO] [stdout]                                at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]   34:     0x55c2d741d1d0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   35:     0x7f13dc7234a4 - start_thread
[INFO] [stdout]   36:     0x7f13dc24ed0f - __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::h7305df3259582fce (0x55c2d73d9274)
[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::h46ace07d1bd95ce3 (0x55c2d73d7982)
[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::hf21d1bd8183206f2 (0x55c2d735f2fa)
[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::h8ed7413105145813 (0x55c2d735f508)
[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::h1e79649d319802c1 (0x55c2d735eac8)
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540
[INFO] [stdout]    5: cargo_metadata::MetadataCommand::exec::h2ba74d58b4c35656 (0x55c2d7312fc2)
[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::hc4576f00804e3538 (0x55c2d6f2f514)
[INFO] [stdout]              at src/config.rs:81
[INFO] [stdout]    7: cargo_bump::config::tests::test_config::hd0024fae550fbdc1 (0x55c2d6f1d9e2)
[INFO] [stdout]              at src/config.rs:174
[INFO] [stdout]    8: cargo_bump::config::tests::version_arg_minor::h6c553726482496d4 (0x55c2d6f1e05f)
[INFO] [stdout]              at src/config.rs:188
[INFO] [stdout]    9: cargo_bump::config::tests::version_arg_minor::{{closure}}::h36e9bfd076ebf983 (0x55c2d6f1df79)
[INFO] [stdout]              at src/config.rs:186
[INFO] [stdout]   10: core::ops::function::FnOnce::call_once::h87d1d512c0583d94 (0x55c2d6f202bd)
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231
[INFO] [stdout]   11: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h4a13ee3f0d7b4201 (0x55c2d6f3e8ae)
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746
[INFO] [stdout]   12: __rust_maybe_catch_panic (0x55c2d741da79)
[INFO] [stdout]              at src/libpanic_unwind/lib.rs:82
[INFO] [stdout]   13: std::panicking::try::h5a93466ab2078586 (0x55c2d6f58ea7)
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275
[INFO] [stdout]       std::panic::catch_unwind::h752cbeae6ac7bdea
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394
[INFO] [stdout]       test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca
[INFO] [stdout]              at src/libtest/lib.rs:1466
[INFO] [stdout]   14: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x55c2d6f33d24)
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77
[INFO] [stdout]   15: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x55c2d6f37de4)
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470
[INFO] [stdout]       <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315
[INFO] [stdout]       std::panicking::try::do_call::h41f8559f88100f6c
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296
[INFO] [stdout]   16: __rust_maybe_catch_panic (0x55c2d741da79)
[INFO] [stdout]              at src/libpanic_unwind/lib.rs:82
[INFO] [stdout]   17: std::panicking::try::hb54ba808181fe352 (0x55c2d6f384e1)
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275
[INFO] [stdout]       std::panic::catch_unwind::h555ccf4e835e93f4
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394
[INFO] [stdout]       std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469
[INFO] [stdout]       core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231
[INFO] [stdout]   18: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h42806b83647d4c79 (0x55c2d740ab9e)
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746
[INFO] [stdout]   19: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h83c921c8e826dd1d (0x55c2d741d1cf)
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746
[INFO] [stdout]       std::sys_common::thread::start_thread::h2613204ce513782e
[INFO] [stdout]              at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]       std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd
[INFO] [stdout]              at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   20: start_thread (0x7f13dc7234a3)
[INFO] [stdout]   21: __clone (0x7f13dc24ed0e)
[INFO] [stdout]   22: <unknown> (0x0)) } })', src/libcore/result.rs:999:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55c2d74166fb - backtrace::backtrace::libunwind::trace::hfe5db90796807973
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stdout]    1:     0x55c2d74166fb - backtrace::backtrace::trace_unsynchronized::h34b865a835594335
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x55c2d74166fb - std::sys_common::backtrace::_print::h527254ae44989167
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stdout]    3:     0x55c2d74166fb - std::sys_common::backtrace::print::he85dd5ddddf46503
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stdout]    4:     0x55c2d74166fb - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14
[INFO] [stdout]                                at src/libstd/panicking.rs:200
[INFO] [stdout]    5:     0x55c2d741636a - std::panicking::default_hook::h2ca0f9a30a0e206b
[INFO] [stdout]                                at src/libstd/panicking.rs:211
[INFO] [stdout]    6:     0x55c2d7416e70 - std::panicking::rust_panic_with_hook::hffcefc09751839d1
[INFO] [stdout]                                at src/libstd/panicking.rs:477
[INFO] [stdout]    7:     0x55c2d74169f2 - std::panicking::continue_panic_fmt::hc0f142c930c846fc
[INFO] [stdout]                                at src/libstd/panicking.rs:384
[INFO] [stdout]    8:     0x55c2d74168d6 - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:311
[INFO] [stdout]    9:     0x55c2d7435a3d - core::panicking::panic_fmt::h2daf88b2616ca2b2
[INFO] [stdout]                                at src/libcore/panicking.rs:85
[INFO] [stdout]   10:     0x55c2d6f1c503 - core::result::unwrap_failed::h0ef493cb8d2738d1
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18
[INFO] [stdout]   11:     0x55c2d6f1c928 - core::result::Result<T,E>::expect::hb24c8e7f35750c75
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:827
[INFO] [stdout]   12:     0x55c2d6f2f538 - cargo_bump::config::Config::from_matches::hc4576f00804e3538
[INFO] [stdout]                                at src/config.rs:81
[INFO] [stdout]   13:     0x55c2d6f1d9e3 - cargo_bump::config::tests::test_config::hd0024fae550fbdc1
[INFO] [stdout]                                at src/config.rs:174
[INFO] [stdout]   14:     0x55c2d6f1e060 - cargo_bump::config::tests::version_arg_minor::h6c553726482496d4
[INFO] [stdout]                                at src/config.rs:188
[INFO] [stdout]   15:     0x55c2d6f1df7a - cargo_bump::config::tests::version_arg_minor::{{closure}}::h36e9bfd076ebf983
[INFO] [stdout]                                at src/config.rs:186
[INFO] [stdout]   16:     0x55c2d6f202be - core::ops::function::FnOnce::call_once::h87d1d512c0583d94
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231
[INFO] [stdout]   17:     0x55c2d6f3e8af - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h4a13ee3f0d7b4201
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746
[INFO] [stdout]   18:     0x55c2d741da7a - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stdout]   19:     0x55c2d6f58ea8 - std::panicking::try::h5a93466ab2078586
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275
[INFO] [stdout]   20:     0x55c2d6f58ea8 - std::panic::catch_unwind::h752cbeae6ac7bdea
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394
[INFO] [stdout]   21:     0x55c2d6f58ea8 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca
[INFO] [stdout]                                at src/libtest/lib.rs:1466
[INFO] [stdout]   22:     0x55c2d6f33d25 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77
[INFO] [stdout]   23:     0x55c2d6f37de5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470
[INFO] [stdout]   24:     0x55c2d6f37de5 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315
[INFO] [stdout]   25:     0x55c2d6f37de5 - std::panicking::try::do_call::h41f8559f88100f6c
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296
[INFO] [stdout]   26:     0x55c2d741da7a - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stdout]   27:     0x55c2d6f384e2 - std::panicking::try::hb54ba808181fe352
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275
[INFO] [stdout]   28:     0x55c2d6f384e2 - std::panic::catch_unwind::h555ccf4e835e93f4
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394
[INFO] [stdout]   29:     0x55c2d6f384e2 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469
[INFO] [stdout]   30:     0x55c2d6f384e2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231
[INFO] [stdout]   31:     0x55c2d740ab9f - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h42806b83647d4c79
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746
[INFO] [stdout]   32:     0x55c2d741d1d0 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h83c921c8e826dd1d
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746
[INFO] [stdout]   33:     0x55c2d741d1d0 - std::sys_common::thread::start_thread::h2613204ce513782e
[INFO] [stdout]                                at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]   34:     0x55c2d741d1d0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   35:     0x7f13dc7234a4 - start_thread
[INFO] [stdout]   36:     0x7f13dc24ed0f - __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::h7305df3259582fce (0x55c2d73d9274)
[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::h46ace07d1bd95ce3 (0x55c2d73d7982)
[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::hf21d1bd8183206f2 (0x55c2d735f2fa)
[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::h8ed7413105145813 (0x55c2d735f508)
[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::h1e79649d319802c1 (0x55c2d735eac8)
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540
[INFO] [stdout]    5: cargo_metadata::MetadataCommand::exec::h2ba74d58b4c35656 (0x55c2d7312fc2)
[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::hc4576f00804e3538 (0x55c2d6f2f514)
[INFO] [stdout]              at src/config.rs:81
[INFO] [stdout]    7: cargo_bump::config::tests::test_config::hd0024fae550fbdc1 (0x55c2d6f1d9e2)
[INFO] [stdout]              at src/config.rs:174
[INFO] [stdout]    8: cargo_bump::config::tests::version_bump_and_pre::h45f4b9272e4b2fba (0x55c2d6f1e8f7)
[INFO] [stdout]              at src/config.rs:219
[INFO] [stdout]    9: cargo_bump::config::tests::version_bump_and_pre::{{closure}}::h006a2451a1df5e8a (0x55c2d6f1e589)
[INFO] [stdout]              at src/config.rs:212
[INFO] [stdout]   10: core::ops::function::FnOnce::call_once::h6d44a869584d5c1d (0x55c2d6f2020d)
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231
[INFO] [stdout]   11: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h4a13ee3f0d7b4201 (0x55c2d6f3e8ae)
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746
[INFO] [stdout]   12: __rust_maybe_catch_panic (0x55c2d741da79)
[INFO] [stdout]              at src/libpanic_unwind/lib.rs:82
[INFO] [stdout]   13: std::panicking::try::h5a93466ab2078586 (0x55c2d6f58ea7)
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275
[INFO] [stdout]       std::panic::catch_unwind::h752cbeae6ac7bdea
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394
[INFO] [stdout]       test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca
[INFO] [stdout]              at src/libtest/lib.rs:1466
[INFO] [stdout]   14: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x55c2d6f33d24)
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77
[INFO] [stdout]   15: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x55c2d6f37de4)
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470
[INFO] [stdout]       <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315
[INFO] [stdout]       std::panicking::try::do_call::h41f8559f88100f6c
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296
[INFO] [stdout]   16: __rust_maybe_catch_panic (0x55c2d741da79)
[INFO] [stdout]              at src/libpanic_unwind/lib.rs:82
[INFO] [stdout]   17: std::panicking::try::hb54ba808181fe352 (0x55c2d6f384e1)
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275
[INFO] [stdout]       std::panic::catch_unwind::h555ccf4e835e93f4
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394
[INFO] [stdout]       std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469
[INFO] [stdout]       core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231
[INFO] [stdout]   18: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h42806b83647d4c79 (0x55c2d740ab9e)
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746
[INFO] [stdout]   19: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h83c921c8e826dd1d (0x55c2d741d1cf)
[INFO] [stdout]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746
[INFO] [stdout]       std::sys_common::thread::start_thread::h2613204ce513782e
[INFO] [stdout]              at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]       std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd
[INFO] [stdout]              at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   20: start_thread (0x7f13dc7234a3)
[INFO] [stdout]   21: __clone (0x7f13dc24ed0e)
[INFO] [stdout]   22: <unknown> (0x0)) } })', src/libcore/result.rs:999:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55c2d74166fb - backtrace::backtrace::libunwind::trace::hfe5db90796807973
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stdout]    1:     0x55c2d74166fb - backtrace::backtrace::trace_unsynchronized::h34b865a835594335
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x55c2d74166fb - std::sys_common::backtrace::_print::h527254ae44989167
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stdout]    3:     0x55c2d74166fb - std::sys_common::backtrace::print::he85dd5ddddf46503
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stdout]    4:     0x55c2d74166fb - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14
[INFO] [stdout]                                at src/libstd/panicking.rs:200
[INFO] [stdout]    5:     0x55c2d741636a - std::panicking::default_hook::h2ca0f9a30a0e206b
[INFO] [stdout]                                at src/libstd/panicking.rs:211
[INFO] [stdout]    6:     0x55c2d7416e70 - std::panicking::rust_panic_with_hook::hffcefc09751839d1
[INFO] [stdout]                                at src/libstd/panicking.rs:477
[INFO] [stdout]    7:     0x55c2d74169f2 - std::panicking::continue_panic_fmt::hc0f142c930c846fc
[INFO] [stdout]                                at src/libstd/panicking.rs:384
[INFO] [stdout]    8:     0x55c2d74168d6 - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:311
[INFO] [stdout]    9:     0x55c2d7435a3d - core::panicking::panic_fmt::h2daf88b2616ca2b2
[INFO] [stdout]                                at src/libcore/panicking.rs:85
[INFO] [stdout]   10:     0x55c2d6f1c503 - core::result::unwrap_failed::h0ef493cb8d2738d1
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18
[INFO] [stdout]   11:     0x55c2d6f1c928 - core::result::Result<T,E>::expect::hb24c8e7f35750c75
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:827
[INFO] [stdout]   12:     0x55c2d6f2f538 - cargo_bump::config::Config::from_matches::hc4576f00804e3538
[INFO] [stdout]                                at src/config.rs:81
[INFO] [stdout]   13:     0x55c2d6f1d9e3 - cargo_bump::config::tests::test_config::hd0024fae550fbdc1
[INFO] [stdout]                                at src/config.rs:174
[INFO] [stdout]   14:     0x55c2d6f1e8f8 - cargo_bump::config::tests::version_bump_and_pre::h45f4b9272e4b2fba
[INFO] [stdout]                                at src/config.rs:219
[INFO] [stdout]   15:     0x55c2d6f1e58a - cargo_bump::config::tests::version_bump_and_pre::{{closure}}::h006a2451a1df5e8a
[INFO] [stdout]                                at src/config.rs:212
[INFO] [stdout]   16:     0x55c2d6f2020e - core::ops::function::FnOnce::call_once::h6d44a869584d5c1d
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231
[INFO] [stdout]   17:     0x55c2d6f3e8af - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h4a13ee3f0d7b4201
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746
[INFO] [stdout]   18:     0x55c2d741da7a - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stdout]   19:     0x55c2d6f58ea8 - std::panicking::try::h5a93466ab2078586
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275
[INFO] [stdout]   20:     0x55c2d6f58ea8 - std::panic::catch_unwind::h752cbeae6ac7bdea
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394
[INFO] [stdout]   21:     0x55c2d6f58ea8 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca
[INFO] [stdout]                                at src/libtest/lib.rs:1466
[INFO] [stdout]   22:     0x55c2d6f33d25 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77
[INFO] [stdout]   23:     0x55c2d6f37de5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470
[INFO] [stdout]   24:     0x55c2d6f37de5 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315
[INFO] [stdout]   25:     0x55c2d6f37de5 - std::panicking::try::do_call::h41f8559f88100f6c
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296
[INFO] [stdout]   26:     0x55c2d741da7a - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stdout]   27:     0x55c2d6f384e2 - std::panicking::try::hb54ba808181fe352
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275
[INFO] [stdout]   28:     0x55c2d6f384e2 - std::panic::catch_unwind::h555ccf4e835e93f4
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394
[INFO] [stdout]   29:     0x55c2d6f384e2 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469
[INFO] [stdout]   30:     0x55c2d6f384e2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231
[INFO] [stdout]   31:     0x55c2d740ab9f - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h42806b83647d4c79
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746
[INFO] [stdout]   32:     0x55c2d741d1d0 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h83c921c8e826dd1d
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746
[INFO] [stdout]   33:     0x55c2d741d1d0 - std::sys_common::thread::start_thread::h2613204ce513782e
[INFO] [stdout]                                at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]   34:     0x55c2d741d1d0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   35:     0x7f13dc7234a4 - start_thread
[INFO] [stdout]   36:     0x7f13dc24ed0f - __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" "343b1809ea5bbdcab25fb785094e8e8b5de45306c0332e126984678714813ed3"`
[INFO] running `"docker" "rm" "-f" "343b1809ea5bbdcab25fb785094e8e8b5de45306c0332e126984678714813ed3"`
[INFO] [stdout] 343b1809ea5bbdcab25fb785094e8e8b5de45306c0332e126984678714813ed3