[INFO] crate okra 0.2.0 is already in cache
[INFO] extracting crate okra 0.2.0 into work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/okra/0.2.0
[INFO] extracting crate okra 0.2.0 into work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/reg/okra/0.2.0
[INFO] validating manifest of okra-0.2.0 on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of okra-0.2.0 on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing okra-0.2.0
[INFO] finished frobbing okra-0.2.0
[INFO] frobbed toml for okra-0.2.0 written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/okra/0.2.0/Cargo.toml
[INFO] started frobbing okra-0.2.0
[INFO] finished frobbing okra-0.2.0
[INFO] frobbed toml for okra-0.2.0 written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/reg/okra/0.2.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking okra-0.2.0 against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-7/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/okra/0.2.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 43495986206ecd76366cd1023aa3aacb16a09e87386027711867ccc4b54e3f03
[INFO] running `"docker" "start" "-a" "43495986206ecd76366cd1023aa3aacb16a09e87386027711867ccc4b54e3f03"`
[INFO] [stderr]     Checking tc_dynamodb_local v0.2.0
[INFO] [stderr]     Checking tc_redis v0.2.0
[INFO] [stderr]     Checking tc_elasticmq v0.2.0
[INFO] [stderr]     Checking tc_trufflesuite_ganachecli v0.4.0
[INFO] [stderr]     Checking tc_postgres v0.2.0
[INFO] [stderr]     Checking tc_parity_parity v0.4.0
[INFO] [stderr]     Checking tc_generic v0.2.0
[INFO] [stderr]    Compiling serde_yaml v0.8.9
[INFO] [stderr]     Checking tc_coblox_bitcoincore v0.5.0
[INFO] [stderr]    Compiling handlebars v1.1.0
[INFO] [stderr]     Checking tc_cli_client v0.2.0
[INFO] [stderr]     Checking testcontainers v0.6.0
[INFO] [stderr]    Compiling openapiv3 v0.1.4
[INFO] [stderr]    Compiling openapi-codegen v0.1.0
[INFO] [stderr]    Compiling okra v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] error: failed to run custom build command for `okra v0.2.0 (/opt/crater/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/okra-8a0786d2d2a99562/build-script-build` (exit code: 101)
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }
[INFO] [stderr] 
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0: failure::backtrace::internal::InternalBacktrace::new::hc38754e54932088a (0x555c2f71a8ef)
[INFO] [stderr]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/backtrace/internal.rs:44
[INFO] [stderr]    1: failure::backtrace::Backtrace::new::h865ae3388c5a890a (0x555c2f71a35e)
[INFO] [stderr]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/backtrace/mod.rs:111
[INFO] [stderr]    2: <failure::error::error_impl::ErrorImpl as core::convert::From<F>>::from::hcfb853c8ebb53b86 (0x555c2efcb380)
[INFO] [stderr]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/error/error_impl.rs:19
[INFO] [stderr]    3: <failure::error::Error as core::convert::From<F>>::from::h0701e52be3831dd9 (0x555c2f1b6550)
[INFO] [stderr]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/error/mod.rs:36
[INFO] [stderr]    4: openapi_codegen::client::client::h5246a407b78e92b6 (0x555c2efa7416)
[INFO] [stderr]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/openapi-codegen-0.1.0/src/client/mod.rs:47
[INFO] [stderr]    5: build_script_build::main::hce8aa6a16e6b7205 (0x555c2ef79e2e)
[INFO] [stderr]              at /opt/crater/workdir/build.rs:2
[INFO] [stderr]    6: std::rt::lang_start::{{closure}}::hdf0d497f0d17b412 (0x555c2ef79de0)
[INFO] [stderr]              at /rustc/c43d03a19f326f4a323569328cc501e86eb6d22e/src/libstd/rt.rs:64
[INFO] [stderr]    7: std::rt::lang_start_internal::{{closure}}::h5b4ccd53e4167b89 (0x555c2f75ff23)
[INFO] [stderr]              at src/libstd/rt.rs:49
[INFO] [stderr]       std::panicking::try::do_call::h85f9b79f07affa28
[INFO] [stderr]              at src/libstd/panicking.rs:296
[INFO] [stderr]    8: __rust_maybe_catch_panic (0x555c2f76260a)
[INFO] [stderr]              at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]    9: std::panicking::try::h0463127fe79abe73 (0x555c2f760a2d)
[INFO] [stderr]              at src/libstd/panicking.rs:275
[INFO] [stderr]       std::panic::catch_unwind::h846bfd7d9d99e56b
[INFO] [stderr]              at src/libstd/panic.rs:394
[INFO] [stderr]       std::rt::lang_start_internal::h0a72d627fb2e90ec
[INFO] [stderr]              at src/libstd/rt.rs:48
[INFO] [stderr]   10: std::rt::lang_start::haee665ce2b6f583d (0x555c2ef79db9)
[INFO] [stderr]              at /rustc/c43d03a19f326f4a323569328cc501e86eb6d22e/src/libstd/rt.rs:64
[INFO] [stderr]   11: main (0x555c2ef79e7a)
[INFO] [stderr]   12: __libc_start_main (0x7fa66afc32e1)
[INFO] [stderr]   13: _start (0x555c2ef7979a)
[INFO] [stderr]   14: <unknown> (0x0)', src/libcore/result.rs:1084:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x555c2f75fe0b - backtrace::backtrace::libunwind::trace::h99e6362fdb92a8eb
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x555c2f75fe0b - backtrace::backtrace::trace_unsynchronized::hb03857eb223d1e1b
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x555c2f75fe0b - std::sys_common::backtrace::_print::hc504093b15dd6a49
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x555c2f75fe0b - std::sys_common::backtrace::print::h74592d8df46164e6
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x555c2f75fe0b - std::panicking::default_hook::{{closure}}::h148953d9747d04f4
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x555c2f75fae6 - std::panicking::default_hook::h72a253311e200c7c
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x555c2f76051d - std::panicking::rust_panic_with_hook::h625fcf59e672b6a0
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x555c2f7600a2 - std::panicking::continue_panic_fmt::hb865580971245aec
[INFO] [stderr]                                at src/libstd/panicking.rs:384
[INFO] [stderr]    8:     0x555c2f75ff86 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:311
[INFO] [stderr]    9:     0x555c2f77a4cd - core::panicking::panic_fmt::h88ab02319bb01bbf
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   10:     0x555c2f77a5c7 - core::result::unwrap_failed::hcd16c30e39593715
[INFO] [stderr]                                at src/libcore/result.rs:1084
[INFO] [stderr]   11:     0x555c2ef79938 - core::result::Result<T,E>::unwrap::hd22089a7bff3ee25
[INFO] [stderr]                                at /rustc/c43d03a19f326f4a323569328cc501e86eb6d22e/src/libcore/result.rs:852
[INFO] [stderr]   12:     0x555c2ef79e47 - build_script_build::main::hce8aa6a16e6b7205
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:2
[INFO] [stderr]   13:     0x555c2ef79de0 - std::rt::lang_start::{{closure}}::hdf0d497f0d17b412
[INFO] [stderr]                                at /rustc/c43d03a19f326f4a323569328cc501e86eb6d22e/src/libstd/rt.rs:64
[INFO] [stderr]   14:     0x555c2f75ff23 - std::rt::lang_start_internal::{{closure}}::h5b4ccd53e4167b89
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   15:     0x555c2f75ff23 - std::panicking::try::do_call::h85f9b79f07affa28
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   16:     0x555c2f76260a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   17:     0x555c2f760a2d - std::panicking::try::h0463127fe79abe73
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   18:     0x555c2f760a2d - std::panic::catch_unwind::h846bfd7d9d99e56b
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   19:     0x555c2f760a2d - std::rt::lang_start_internal::h0a72d627fb2e90ec
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   20:     0x555c2ef79db9 - std::rt::lang_start::haee665ce2b6f583d
[INFO] [stderr]                                at /rustc/c43d03a19f326f4a323569328cc501e86eb6d22e/src/libstd/rt.rs:64
[INFO] [stderr]   21:     0x555c2ef79e7a - main
[INFO] [stderr]   22:     0x7fa66afc32e1 - __libc_start_main
[INFO] [stderr]   23:     0x555c2ef7979a - _start
[INFO] [stderr]   24:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "43495986206ecd76366cd1023aa3aacb16a09e87386027711867ccc4b54e3f03"`
[INFO] running `"docker" "rm" "-f" "43495986206ecd76366cd1023aa3aacb16a09e87386027711867ccc4b54e3f03"`
[INFO] [stdout] 43495986206ecd76366cd1023aa3aacb16a09e87386027711867ccc4b54e3f03