[INFO] crate reproto-backend-json 0.3.36 is already in cache
[INFO] checking reproto-backend-json-0.3.36 against master#4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb for pr-64672
[INFO] extracting crate reproto-backend-json 0.3.36 into work/builds/worker-6/source
[INFO] validating manifest of crates.io crate reproto-backend-json 0.3.36 on toolchain 4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate reproto-backend-json 0.3.36
[INFO] finished tweaking crates.io crate reproto-backend-json 0.3.36
[INFO] tweaked toml for crates.io crate reproto-backend-json 0.3.36 written to work/builds/worker-6/source/Cargo.toml
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a9fcd683ab607c3669a43a8579d305977264410e6995e8cfe206bf6e7ebde068
[INFO] running `"docker" "start" "-a" "a9fcd683ab607c3669a43a8579d305977264410e6995e8cfe206bf6e7ebde068"`
[INFO] [stderr]    Compiling reproto-path-parser v0.3.36
[INFO] [stderr]    Compiling reproto-parser v0.3.36
[INFO] [stderr] error: failed to run custom build command for `reproto-path-parser v0.3.36`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/reproto-path-parser-f13be2b2c2fa6ed1/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] processing file `/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/reproto-path-parser-0.3.36/parser.lalrpop`
[INFO] [stderr] 
[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" }', src/libcore/result.rs:1165:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55e37ee10394 - backtrace::backtrace::libunwind::trace::h837858cfeddf7a26
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x55e37ee10394 - backtrace::backtrace::trace_unsynchronized::hf450b231b66758d5
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55e37ee10394 - std::sys_common::backtrace::_print_fmt::h368e3c833d23dd1d
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:76
[INFO] [stderr]    3:     0x55e37ee10394 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h99a560994a9a8770
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:60
[INFO] [stderr]    4:     0x55e37ee2f6bc - core::fmt::write::h331a8aee5b7f3512
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1030
[INFO] [stderr]    5:     0x55e37ee0d697 - std::io::Write::write_fmt::hf05660e3e7df1eca
[INFO] [stderr]                                at src/libstd/io/mod.rs:1412
[INFO] [stderr]    6:     0x55e37ee12795 - std::sys_common::backtrace::_print::h2a131efc4c0ac3fa
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:64
[INFO] [stderr]    7:     0x55e37ee12795 - std::sys_common::backtrace::print::h983d88dd719c12ff
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x55e37ee12795 - std::panicking::default_hook::{{closure}}::h663d5da304a5132f
[INFO] [stderr]                                at src/libstd/panicking.rs:196
[INFO] [stderr]    9:     0x55e37ee12486 - std::panicking::default_hook::hf37841c3986e6801
[INFO] [stderr]                                at src/libstd/panicking.rs:210
[INFO] [stderr]   10:     0x55e37ee12e35 - std::panicking::rust_panic_with_hook::hb2227d83b88686af
[INFO] [stderr]                                at src/libstd/panicking.rs:473
[INFO] [stderr]   11:     0x55e37ee129d2 - std::panicking::continue_panic_fmt::h8dcb675c0adec47c
[INFO] [stderr]                                at src/libstd/panicking.rs:380
[INFO] [stderr]   12:     0x55e37ee128c6 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:307
[INFO] [stderr]   13:     0x55e37ee2bfea - core::panicking::panic_fmt::h34237ab75d721bef
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   14:     0x55e37ee2c0e7 - core::result::unwrap_failed::h73569ff13c30ae81
[INFO] [stderr]                                at src/libcore/result.rs:1165
[INFO] [stderr]   15:     0x55e37e300e28 - core::result::Result<T,E>::unwrap::hac24e11c8be9eab7
[INFO] [stderr]                                at /rustc/4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb/src/libcore/result.rs:933
[INFO] [stderr]   16:     0x55e37e300bdc - build_script_build::main::haf4160bc083ca1dc
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/reproto-path-parser-0.3.36/build.rs:5
[INFO] [stderr]   17:     0x55e37e300d40 - std::rt::lang_start::{{closure}}::h8ede6f3b489e8037
[INFO] [stderr]                                at /rustc/4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb/src/libstd/rt.rs:64
[INFO] [stderr]   18:     0x55e37ee12863 - std::rt::lang_start_internal::{{closure}}::hcbc0d39047dfb53e
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   19:     0x55e37ee12863 - std::panicking::try::do_call::h8b5ef32d822a8d8f
[INFO] [stderr]                                at src/libstd/panicking.rs:292
[INFO] [stderr]   20:     0x55e37ee1559a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   21:     0x55e37ee1332d - std::panicking::try::h9b6fb4e6a40ce0cb
[INFO] [stderr]                                at src/libstd/panicking.rs:271
[INFO] [stderr]   22:     0x55e37ee1332d - std::panic::catch_unwind::h2fbf9b8ead8e504a
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   23:     0x55e37ee1332d - std::rt::lang_start_internal::hb6581c1f21bf501d
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   24:     0x55e37e300d19 - std::rt::lang_start::hb9f569c66c297c9e
[INFO] [stderr]                                at /rustc/4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb/src/libstd/rt.rs:64
[INFO] [stderr]   25:     0x55e37e300c3a - main
[INFO] [stderr]   26:     0x7f0fb2279b97 - __libc_start_main
[INFO] [stderr]   27:     0x55e37e30073a - _start
[INFO] [stderr]   28:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: failed to run custom build command for `reproto-parser v0.3.36`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/reproto-parser-d9f34aa5e80c1cf5/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] processing file `/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/reproto-parser-0.3.36/src/parser.lalrpop`
[INFO] [stderr] 
[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" }', src/libcore/result.rs:1165:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5590c3786394 - backtrace::backtrace::libunwind::trace::h837858cfeddf7a26
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x5590c3786394 - backtrace::backtrace::trace_unsynchronized::hf450b231b66758d5
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x5590c3786394 - std::sys_common::backtrace::_print_fmt::h368e3c833d23dd1d
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:76
[INFO] [stderr]    3:     0x5590c3786394 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h99a560994a9a8770
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:60
[INFO] [stderr]    4:     0x5590c37a56bc - core::fmt::write::h331a8aee5b7f3512
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1030
[INFO] [stderr]    5:     0x5590c3783697 - std::io::Write::write_fmt::hf05660e3e7df1eca
[INFO] [stderr]                                at src/libstd/io/mod.rs:1412
[INFO] [stderr]    6:     0x5590c3788795 - std::sys_common::backtrace::_print::h2a131efc4c0ac3fa
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:64
[INFO] [stderr]    7:     0x5590c3788795 - std::sys_common::backtrace::print::h983d88dd719c12ff
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x5590c3788795 - std::panicking::default_hook::{{closure}}::h663d5da304a5132f
[INFO] [stderr]                                at src/libstd/panicking.rs:196
[INFO] [stderr]    9:     0x5590c3788486 - std::panicking::default_hook::hf37841c3986e6801
[INFO] [stderr]                                at src/libstd/panicking.rs:210
[INFO] [stderr]   10:     0x5590c3788e35 - std::panicking::rust_panic_with_hook::hb2227d83b88686af
[INFO] [stderr]                                at src/libstd/panicking.rs:473
[INFO] [stderr]   11:     0x5590c37889d2 - std::panicking::continue_panic_fmt::h8dcb675c0adec47c
[INFO] [stderr]                                at src/libstd/panicking.rs:380
[INFO] [stderr]   12:     0x5590c37888c6 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:307
[INFO] [stderr]   13:     0x5590c37a1fea - core::panicking::panic_fmt::h34237ab75d721bef
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   14:     0x5590c37a20e7 - core::result::unwrap_failed::h73569ff13c30ae81
[INFO] [stderr]                                at src/libcore/result.rs:1165
[INFO] [stderr]   15:     0x5590c2c76e48 - core::result::Result<T,E>::unwrap::hfb70a7dd2ef2a417
[INFO] [stderr]                                at /rustc/4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb/src/libcore/result.rs:933
[INFO] [stderr]   16:     0x5590c2c7690c - build_script_build::main::h5493f69c35ea9b8b
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/reproto-parser-0.3.36/build.rs:5
[INFO] [stderr]   17:     0x5590c2c76c80 - std::rt::lang_start::{{closure}}::h81aa7d2e15a5f853
[INFO] [stderr]                                at /rustc/4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb/src/libstd/rt.rs:64
[INFO] [stderr]   18:     0x5590c3788863 - std::rt::lang_start_internal::{{closure}}::hcbc0d39047dfb53e
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   19:     0x5590c3788863 - std::panicking::try::do_call::h8b5ef32d822a8d8f
[INFO] [stderr]                                at src/libstd/panicking.rs:292
[INFO] [stderr]   20:     0x5590c378b59a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   21:     0x5590c378932d - std::panicking::try::h9b6fb4e6a40ce0cb
[INFO] [stderr]                                at src/libstd/panicking.rs:271
[INFO] [stderr]   22:     0x5590c378932d - std::panic::catch_unwind::h2fbf9b8ead8e504a
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   23:     0x5590c378932d - std::rt::lang_start_internal::hb6581c1f21bf501d
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   24:     0x5590c2c76c59 - std::rt::lang_start::he5bf45a1feca70f9
[INFO] [stderr]                                at /rustc/4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb/src/libstd/rt.rs:64
[INFO] [stderr]   25:     0x5590c2c7696a - main
[INFO] [stderr]   26:     0x7fcd0e0c4b97 - __libc_start_main
[INFO] [stderr]   27:     0x5590c2c7673a - _start
[INFO] [stderr]   28:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "a9fcd683ab607c3669a43a8579d305977264410e6995e8cfe206bf6e7ebde068"`
[INFO] running `"docker" "rm" "-f" "a9fcd683ab607c3669a43a8579d305977264410e6995e8cfe206bf6e7ebde068"`
[INFO] [stdout] a9fcd683ab607c3669a43a8579d305977264410e6995e8cfe206bf6e7ebde068