[INFO] crate okra 0.2.0 is already in cache
[INFO] extracting crate okra 0.2.0 into work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/reg/okra/0.2.0
[INFO] extracting crate okra 0.2.0 into work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/reg/okra/0.2.0
[INFO] validating manifest of okra-0.2.0 on toolchain master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of okra-0.2.0 on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-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-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/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-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/reg/okra/0.2.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-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" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking okra-0.2.0 against master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7 for pr-62507
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-7/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/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" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3ce0c03b82dc94239e961e156a04450ec628653b86870e274fc6d371389be6da
[INFO] running `"docker" "start" "-a" "3ce0c03b82dc94239e961e156a04450ec628653b86870e274fc6d371389be6da"`
[INFO] [stderr]     Checking tc_parity_parity v0.4.0
[INFO] [stderr]     Checking tc_generic 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_dynamodb_local v0.2.0
[INFO] [stderr]     Checking tc_postgres v0.2.0
[INFO] [stderr]     Checking tc_coblox_bitcoincore v0.5.0
[INFO] [stderr]    Compiling serde_yaml v0.8.9
[INFO] [stderr]     Checking tc_cli_client v0.2.0
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking reqwest v0.9.18
[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-ea094551fceb3da4/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::h6191e3460ce482e8 (0x56085a378fe1)
[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::h96b16a0644fc7032 (0x56085a378d8e)
[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::h72c85831896a5533 (0x560859c5bd50)
[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::h9a4ea388dfa45af8 (0x560859eccfb0)
[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::hc1a679de424b71d7 (0x560859c2add6)
[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::hf22f2a37966880bb (0x560859c01f5e)
[INFO] [stderr]              at /opt/crater/workdir/build.rs:2
[INFO] [stderr]    6: std::rt::lang_start::{{closure}}::h2396423769545d0e (0x560859c01850)
[INFO] [stderr]              at /rustc/78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/src/libstd/rt.rs:64
[INFO] [stderr]    7: std::rt::lang_start_internal::{{closure}}::h32e298b4b9152770 (0x56085a3c55b3)
[INFO] [stderr]              at src/libstd/rt.rs:49
[INFO] [stderr]       std::panicking::try::do_call::hc8de7cda8a6a61da
[INFO] [stderr]              at src/libstd/panicking.rs:296
[INFO] [stderr]    8: __rust_maybe_catch_panic (0x56085a3c7aaa)
[INFO] [stderr]              at src/libpanic_unwind/lib.rs:82
[INFO] [stderr]    9: std::panicking::try::h2d3ab36572ae54da (0x56085a3c60bd)
[INFO] [stderr]              at src/libstd/panicking.rs:275
[INFO] [stderr]       std::panic::catch_unwind::h4b587439b0094333
[INFO] [stderr]              at src/libstd/panic.rs:394
[INFO] [stderr]       std::rt::lang_start_internal::h0772ca1bc29dd619
[INFO] [stderr]              at src/libstd/rt.rs:48
[INFO] [stderr]   10: std::rt::lang_start::h1e03628f337bfcd6 (0x560859c01829)
[INFO] [stderr]              at /rustc/78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/src/libstd/rt.rs:64
[INFO] [stderr]   11: main (0x560859c01faa)
[INFO] [stderr]   12: __libc_start_main (0x7fc2679b72e1)
[INFO] [stderr]   13: _start (0x560859c016da)
[INFO] [stderr]   14: <unknown> (0x0)', src/libcore/result.rs:1051:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x56085a3c549b - backtrace::backtrace::libunwind::trace::h4f04af92f39f2b78
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x56085a3c549b - backtrace::backtrace::trace_unsynchronized::hb28ce8d2b7fb3e31
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x56085a3c549b - std::sys_common::backtrace::_print::he3f49d2d13a51ff1
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x56085a3c549b - std::sys_common::backtrace::print::h46c2f3b13519e9bf
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x56085a3c549b - std::panicking::default_hook::{{closure}}::h6694acddafc67583
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x56085a3c5177 - std::panicking::default_hook::hb4761d2feeb6d93c
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x56085a3c5bb0 - std::panicking::rust_panic_with_hook::h7a5f9620b0a832bc
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x56085a3c5732 - std::panicking::continue_panic_fmt::h76588b16c9674f9c
[INFO] [stderr]                                at src/libstd/panicking.rs:384
[INFO] [stderr]    8:     0x56085a3c5616 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:311
[INFO] [stderr]    9:     0x56085a3dfa4d - core::panicking::panic_fmt::hcce9be08ab68e123
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   10:     0x560859c019a5 - core::result::unwrap_failed::hf1764008053120ca
[INFO] [stderr]                                at /rustc/78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/src/libcore/macros.rs:18
[INFO] [stderr]   11:     0x560859c01a6b - core::result::Result<T,E>::unwrap::h833f2481e3711c6a
[INFO] [stderr]                                at /rustc/78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/src/libcore/result.rs:852
[INFO] [stderr]   12:     0x560859c01f77 - build_script_build::main::hf22f2a37966880bb
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:2
[INFO] [stderr]   13:     0x560859c01850 - std::rt::lang_start::{{closure}}::h2396423769545d0e
[INFO] [stderr]                                at /rustc/78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/src/libstd/rt.rs:64
[INFO] [stderr]   14:     0x56085a3c55b3 - std::rt::lang_start_internal::{{closure}}::h32e298b4b9152770
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   15:     0x56085a3c55b3 - std::panicking::try::do_call::hc8de7cda8a6a61da
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   16:     0x56085a3c7aaa - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stderr]   17:     0x56085a3c60bd - std::panicking::try::h2d3ab36572ae54da
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   18:     0x56085a3c60bd - std::panic::catch_unwind::h4b587439b0094333
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   19:     0x56085a3c60bd - std::rt::lang_start_internal::h0772ca1bc29dd619
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   20:     0x560859c01829 - std::rt::lang_start::h1e03628f337bfcd6
[INFO] [stderr]                                at /rustc/78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/src/libstd/rt.rs:64
[INFO] [stderr]   21:     0x560859c01faa - main
[INFO] [stderr]   22:     0x7fc2679b72e1 - __libc_start_main
[INFO] [stderr]   23:     0x560859c016da - _start
[INFO] [stderr]   24:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "3ce0c03b82dc94239e961e156a04450ec628653b86870e274fc6d371389be6da"`
[INFO] running `"docker" "rm" "-f" "3ce0c03b82dc94239e961e156a04450ec628653b86870e274fc6d371389be6da"`
[INFO] [stdout] 3ce0c03b82dc94239e961e156a04450ec628653b86870e274fc6d371389be6da