[INFO] crate oysterpack_log 0.1.0 is already in cache
[INFO] extracting crate oysterpack_log 0.1.0 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/oysterpack_log/0.1.0
[INFO] extracting crate oysterpack_log 0.1.0 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/oysterpack_log/0.1.0
[INFO] validating manifest of oysterpack_log-0.1.0 on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of oysterpack_log-0.1.0 on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing oysterpack_log-0.1.0
[INFO] finished frobbing oysterpack_log-0.1.0
[INFO] frobbed toml for oysterpack_log-0.1.0 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/oysterpack_log/0.1.0/Cargo.toml
[INFO] started frobbing oysterpack_log-0.1.0
[INFO] finished frobbing oysterpack_log-0.1.0
[INFO] frobbed toml for oysterpack_log-0.1.0 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/oysterpack_log/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing oysterpack_log-0.1.0 against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/oysterpack_log/0.1.0:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 6742320e9fc92a8d12415d563ef91c7f053379f27c3c4ad7a40a995bd4fb0e06
[INFO] running `"docker" "start" "-a" "6742320e9fc92a8d12415d563ef91c7f053379f27c3c4ad7a40a995bd4fb0e06"`
[INFO] [stderr]    Compiling rustc-workspace-hack v1.0.0
[INFO] [stderr]    Compiling dot v0.1.4
[INFO] [stderr]    Compiling oysterpack_macros v0.1.0
[INFO] [stderr]    Compiling libgit2-sys v0.7.11
[INFO] [stderr]    Compiling serde_ignored v0.0.4
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling jobserver v0.1.12
[INFO] [stderr]    Compiling fern v0.5.7
[INFO] [stderr]    Compiling tar v0.4.20
[INFO] [stderr]    Compiling syntex_syntax v0.58.1
[INFO] [stderr]    Compiling crypto-hash v0.3.3
[INFO] [stderr]    Compiling curl v0.4.19
[INFO] [stderr]    Compiling globset v0.4.2
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling rustfix v0.4.4
[INFO] [stderr]    Compiling ignore v0.4.6
[INFO] [stderr]    Compiling crates-io v0.18.0
[INFO] [stderr]    Compiling mml v0.1.41
[INFO] [stderr]    Compiling oysterpack_app_metadata v0.3.1
[INFO] [stderr]    Compiling git2 v0.7.5
[INFO] [stderr]    Compiling git2-curl v0.8.2
[INFO] [stderr]    Compiling built v0.3.0
[INFO] [stderr]    Compiling cargo v0.30.0
[INFO] [stderr]    Compiling oysterpack_built v0.3.2
[INFO] [stderr]    Compiling oysterpack_log v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: failed to run custom build command for `oysterpack_log v0.1.0 (/opt/crater/workdir)`
[INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/oysterpack_log-78b4a6cb0cded1c4/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::h9716bcb0671ee9bf (0x5580cce33f92)
[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::h04dec17a46bd2cdb (0x5580cce32e6d)
[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::hdcf8cf9ad6755bc2 (0x5580cce11639)
[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::h26ed2ef871930df0 (0x5580cce1a0bf)
[INFO] [stderr]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/error/mod.rs:36
[INFO] [stderr]    4: <T as core::convert::Into<U>>::into::h6e95456a133c5a6a (0x5580ccad4a6f)
[INFO] [stderr]              at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libcore/convert.rs:441
[INFO] [stderr]    5: <core::result::Result<T, E> as cargo::util::errors::CargoResultExt<T, E>>::chain_err::{{closure}}::h265498bd40ffc4d9 (0x5580cc91c770)
[INFO] [stderr]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cargo-0.30.0/src/cargo/util/errors.rs:31
[INFO] [stderr]    6: <core::result::Result<T, E>>::map_err::h0b47e4317e0b64fc (0x5580cc71c9da)
[INFO] [stderr]              at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libcore/result.rs:520
[INFO] [stderr]    7: <core::result::Result<T, E> as cargo::util::errors::CargoResultExt<T, E>>::chain_err::h940ea86e581f16c5 (0x5580cc746544)
[INFO] [stderr]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cargo-0.30.0/src/cargo/util/errors.rs:30
[INFO] [stderr]    8: cargo::util::flock::Filesystem::open::h596e8f9836e0cc99 (0x5580cc66d880)
[INFO] [stderr]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cargo-0.30.0/src/cargo/util/flock.rs:211
[INFO] [stderr]    9: cargo::util::flock::Filesystem::open_rw::h1125d699bd1715c4 (0x5580cc66d19e)
[INFO] [stderr]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cargo-0.30.0/src/cargo/util/flock.rs:167
[INFO] [stderr]   10: cargo::ops::lockfile::write_pkg_lockfile::h6d59be13895cf92a (0x5580cc663cc2)
[INFO] [stderr]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cargo-0.30.0/src/cargo/ops/lockfile.rs:94
[INFO] [stderr]   11: cargo::ops::resolve::resolve_with_registry::hc0d2847f64733a5f (0x5580cc6dee0c)
[INFO] [stderr]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cargo-0.30.0/src/cargo/ops/resolve.rs:122
[INFO] [stderr]   12: cargo::ops::resolve::resolve_ws::hd2a1442fe064df98 (0x5580cc6de8bf)
[INFO] [stderr]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cargo-0.30.0/src/cargo/ops/resolve.rs:18
[INFO] [stderr]   13: oysterpack_built::build_time::resolve::h5967298e4b33eb91 (0x5580cc48cce1)
[INFO] [stderr]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/oysterpack_built-0.3.2/src/build_time/mod.rs:341
[INFO] [stderr]   14: oysterpack_built::build_time::build_dependency_graph::hff44c0247bd9446c (0x5580cc48b2ab)
[INFO] [stderr]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/oysterpack_built-0.3.2/src/build_time/mod.rs:208
[INFO] [stderr]   15: oysterpack_built::build_time::run::{{closure}}::h52677251fe4bf446 (0x5580cc48a290)
[INFO] [stderr]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/oysterpack_built-0.3.2/src/build_time/mod.rs:119
[INFO] [stderr]   16: oysterpack_built::build_time::run::h8c4c8ebec3ce39a7 (0x5580cc48a017)
[INFO] [stderr]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/oysterpack_built-0.3.2/src/build_time/mod.rs:143
[INFO] [stderr]   17: build_script_build::main::h21704da9594f2770 (0x5580cc489e06)
[INFO] [stderr]              at /opt/crater/workdir/build.rs:20
[INFO] [stderr]   18: std::rt::lang_start::{{closure}}::h939b0b82b0df91fe (0x5580cc489dcf)
[INFO] [stderr]              at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/rt.rs:64
[INFO] [stderr]   19: {{closure}} (0x5580cd1b1cc2)
[INFO] [stderr]              at src/libstd/rt.rs:49
[INFO] [stderr]       do_call<closure,i32>
[INFO] [stderr]              at src/libstd/panicking.rs:297
[INFO] [stderr]   20: __rust_maybe_catch_panic (0x5580cd1ba609)
[INFO] [stderr]              at src/libpanic_unwind/lib.rs:92
[INFO] [stderr]   21: try<i32,closure> (0x5580cd1b28b5)
[INFO] [stderr]              at src/libstd/panicking.rs:276
[INFO] [stderr]       catch_unwind<closure,i32>
[INFO] [stderr]              at src/libstd/panic.rs:388
[INFO] [stderr]       lang_start_internal
[INFO] [stderr]              at src/libstd/rt.rs:48
[INFO] [stderr]   22: std::rt::lang_start::he70352d7dd44f2dc (0x5580cc489da8)
[INFO] [stderr]              at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/rt.rs:64
[INFO] [stderr]   23: main (0x5580cc489e39)
[INFO] [stderr]   24: __libc_start_main (0x7ff2e5c9e2e0)
[INFO] [stderr]   25: _start (0x5580cc489b99)
[INFO] [stderr]   26: <unknown> (0x0)
[INFO] [stderr] 
[INFO] [stderr] failed to open: /opt/crater/workdir/Cargo.lock
[INFO] [stderr] 
[INFO] [stderr] failed to write /opt/crater/workdir/Cargo.lock', src/libcore/result.rs:997:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5580cd1b3053 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::hb587d2734f1dc7c5
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x5580cd1aed7b - std::sys_common::backtrace::_print::he39717f7cfbd122d
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:70
[INFO] [stderr]    2:     0x5580cd1b1bb6 - std::panicking::default_hook::{{closure}}::hb7f1ae5149814e5e
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:58
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    3:     0x5580cd1b1934 - std::panicking::default_hook::hc2b73d8ffc772b35
[INFO] [stderr]                                at src/libstd/panicking.rs:215
[INFO] [stderr]    4:     0x5580cd1b22c0 - std::panicking::rust_panic_with_hook::h625072734a147d22
[INFO] [stderr]                                at src/libstd/panicking.rs:478
[INFO] [stderr]    5:     0x5580cd1b1e41 - std::panicking::continue_panic_fmt::h3d3b66f689c3e04e
[INFO] [stderr]                                at src/libstd/panicking.rs:385
[INFO] [stderr]    6:     0x5580cd1b1d25 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:312
[INFO] [stderr]    7:     0x5580cd1cea6c - core::panicking::panic_fmt::h3dc182ff7fefc0c0
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]    8:     0x5580cc740079 - core::result::unwrap_failed::h8be8802269b92c21
[INFO] [stderr]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libcore/macros.rs:16
[INFO] [stderr]    9:     0x5580cc4a6b51 - <core::result::Result<T, E>>::unwrap::hdfb7b7dbb3999b42
[INFO] [stderr]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libcore/result.rs:798
[INFO] [stderr]   10:     0x5580cc48b2c6 - oysterpack_built::build_time::build_dependency_graph::hff44c0247bd9446c
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/oysterpack_built-0.3.2/src/build_time/mod.rs:208
[INFO] [stderr]   11:     0x5580cc48a290 - oysterpack_built::build_time::run::{{closure}}::h52677251fe4bf446
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/oysterpack_built-0.3.2/src/build_time/mod.rs:119
[INFO] [stderr]   12:     0x5580cc48a017 - oysterpack_built::build_time::run::h8c4c8ebec3ce39a7
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/oysterpack_built-0.3.2/src/build_time/mod.rs:143
[INFO] [stderr]   13:     0x5580cc489e06 - build_script_build::main::h21704da9594f2770
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:20
[INFO] [stderr]   14:     0x5580cc489dcf - std::rt::lang_start::{{closure}}::h939b0b82b0df91fe
[INFO] [stderr]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/rt.rs:64
[INFO] [stderr]   15:     0x5580cd1b1cc2 - std::panicking::try::do_call::ha6d3d6f6b5f6c5f2
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]                                at src/libstd/panicking.rs:297
[INFO] [stderr]   16:     0x5580cd1ba609 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:92
[INFO] [stderr]   17:     0x5580cd1b28b5 - std::rt::lang_start_internal::hc755040b17518fe7
[INFO] [stderr]                                at src/libstd/panicking.rs:276
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   18:     0x5580cc489da8 - std::rt::lang_start::he70352d7dd44f2dc
[INFO] [stderr]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/rt.rs:64
[INFO] [stderr]   19:     0x5580cc489e39 - main
[INFO] [stderr]   20:     0x7ff2e5c9e2e0 - __libc_start_main
[INFO] [stderr]   21:     0x5580cc489b99 - _start
[INFO] [stderr]   22:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "6742320e9fc92a8d12415d563ef91c7f053379f27c3c4ad7a40a995bd4fb0e06"`
[INFO] running `"docker" "rm" "-f" "6742320e9fc92a8d12415d563ef91c7f053379f27c3c4ad7a40a995bd4fb0e06"`
[INFO] [stdout] 6742320e9fc92a8d12415d563ef91c7f053379f27c3c4ad7a40a995bd4fb0e06