[INFO] crate reproto-backend 0.3.36 is already in cache
[INFO] checking reproto-backend-0.3.36 against beta-2019-10-27 for pr-65897
[INFO] extracting crate reproto-backend 0.3.36 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate reproto-backend 0.3.36 on toolchain beta-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate reproto-backend 0.3.36
[INFO] finished tweaking crates.io crate reproto-backend 0.3.36
[INFO] tweaked toml for crates.io crate reproto-backend 0.3.36 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=allow" "-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" "+beta-2019-10-27" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e5b67ead3e8bfa6e620ec6b38674f5397d6bef1862ca2c2fb2502f0ba0c43ae2
[INFO] running `"docker" "start" "-a" "e5b67ead3e8bfa6e620ec6b38674f5397d6bef1862ca2c2fb2502f0ba0c43ae2"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling reproto-parser v0.3.36
[INFO] [stderr]    Compiling reproto-path-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-79a1e84a25bfbf4d/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:     0x5651bed6d8b4 - backtrace::backtrace::libunwind::trace::h14dfaa7b4b7da907
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x5651bed6d8b4 - backtrace::backtrace::trace_unsynchronized::hdb0fcb36bd91e7b1
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x5651bed6d8b4 - std::sys_common::backtrace::_print_fmt::hcf7905a3a69ef6ef
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:76
[INFO] [stderr]    3:     0x5651bed6d8b4 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1d652799221364ff
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:60
[INFO] [stderr]    4:     0x5651bed8cbdc - core::fmt::write::h123c1219d03dc2b2
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1030
[INFO] [stderr]    5:     0x5651bed6abb7 - std::io::Write::write_fmt::h1dd67bc0a861a8a1
[INFO] [stderr]                                at src/libstd/io/mod.rs:1412
[INFO] [stderr]    6:     0x5651bed6fcb5 - std::sys_common::backtrace::_print::h906393f990c77027
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:64
[INFO] [stderr]    7:     0x5651bed6fcb5 - std::sys_common::backtrace::print::h5760dd4bb9d97089
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x5651bed6fcb5 - std::panicking::default_hook::{{closure}}::h9c8250816dd18f0a
[INFO] [stderr]                                at src/libstd/panicking.rs:196
[INFO] [stderr]    9:     0x5651bed6f9a6 - std::panicking::default_hook::h3e97ab45acb236f1
[INFO] [stderr]                                at src/libstd/panicking.rs:210
[INFO] [stderr]   10:     0x5651bed70355 - std::panicking::rust_panic_with_hook::hfd8c6048abefa5d1
[INFO] [stderr]                                at src/libstd/panicking.rs:473
[INFO] [stderr]   11:     0x5651bed6fef2 - std::panicking::continue_panic_fmt::h7778586face20ea0
[INFO] [stderr]                                at src/libstd/panicking.rs:380
[INFO] [stderr]   12:     0x5651bed6fde6 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:307
[INFO] [stderr]   13:     0x5651bed8950a - core::panicking::panic_fmt::ha8adde723bf3802d
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   14:     0x5651bed89607 - core::result::unwrap_failed::hf6a6f53f1c4931c8
[INFO] [stderr]                                at src/libcore/result.rs:1165
[INFO] [stderr]   15:     0x5651be25a248 - core::result::Result<T,E>::unwrap::ha0d35a4333da5731
[INFO] [stderr]                                at /rustc/23f8f652bcea053b70c0030008941f5f8476b5a0/src/libcore/result.rs:933
[INFO] [stderr]   16:     0x5651be25a57c - build_script_build::main::hceb994dd10f47ca3
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/reproto-path-parser-0.3.36/build.rs:5
[INFO] [stderr]   17:     0x5651be25a3e0 - std::rt::lang_start::{{closure}}::hc5511b971b502c86
[INFO] [stderr]                                at /rustc/23f8f652bcea053b70c0030008941f5f8476b5a0/src/libstd/rt.rs:64
[INFO] [stderr]   18:     0x5651bed6fd83 - std::rt::lang_start_internal::{{closure}}::hafe4631cc0633d40
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   19:     0x5651bed6fd83 - std::panicking::try::do_call::h717827b47231de13
[INFO] [stderr]                                at src/libstd/panicking.rs:292
[INFO] [stderr]   20:     0x5651bed72aba - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   21:     0x5651bed7084d - std::panicking::try::h389045103d38e408
[INFO] [stderr]                                at src/libstd/panicking.rs:271
[INFO] [stderr]   22:     0x5651bed7084d - std::panic::catch_unwind::hcca2ee11418f038b
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   23:     0x5651bed7084d - std::rt::lang_start_internal::hc0e13ab06870c4ba
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   24:     0x5651be25a3b9 - std::rt::lang_start::he41b3c26f8007af0
[INFO] [stderr]                                at /rustc/23f8f652bcea053b70c0030008941f5f8476b5a0/src/libstd/rt.rs:64
[INFO] [stderr]   25:     0x5651be25a5da - main
[INFO] [stderr]   26:     0x7f8fc6cc2b97 - __libc_start_main
[INFO] [stderr]   27:     0x5651be25a0ca - _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-1a28cd2ce5936cd4/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:     0x558eb20638b4 - backtrace::backtrace::libunwind::trace::h14dfaa7b4b7da907
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x558eb20638b4 - backtrace::backtrace::trace_unsynchronized::hdb0fcb36bd91e7b1
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x558eb20638b4 - std::sys_common::backtrace::_print_fmt::hcf7905a3a69ef6ef
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:76
[INFO] [stderr]    3:     0x558eb20638b4 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1d652799221364ff
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:60
[INFO] [stderr]    4:     0x558eb2082bdc - core::fmt::write::h123c1219d03dc2b2
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1030
[INFO] [stderr]    5:     0x558eb2060bb7 - std::io::Write::write_fmt::h1dd67bc0a861a8a1
[INFO] [stderr]                                at src/libstd/io/mod.rs:1412
[INFO] [stderr]    6:     0x558eb2065cb5 - std::sys_common::backtrace::_print::h906393f990c77027
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:64
[INFO] [stderr]    7:     0x558eb2065cb5 - std::sys_common::backtrace::print::h5760dd4bb9d97089
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x558eb2065cb5 - std::panicking::default_hook::{{closure}}::h9c8250816dd18f0a
[INFO] [stderr]                                at src/libstd/panicking.rs:196
[INFO] [stderr]    9:     0x558eb20659a6 - std::panicking::default_hook::h3e97ab45acb236f1
[INFO] [stderr]                                at src/libstd/panicking.rs:210
[INFO] [stderr]   10:     0x558eb2066355 - std::panicking::rust_panic_with_hook::hfd8c6048abefa5d1
[INFO] [stderr]                                at src/libstd/panicking.rs:473
[INFO] [stderr]   11:     0x558eb2065ef2 - std::panicking::continue_panic_fmt::h7778586face20ea0
[INFO] [stderr]                                at src/libstd/panicking.rs:380
[INFO] [stderr]   12:     0x558eb2065de6 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:307
[INFO] [stderr]   13:     0x558eb207f50a - core::panicking::panic_fmt::ha8adde723bf3802d
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   14:     0x558eb207f607 - core::result::unwrap_failed::hf6a6f53f1c4931c8
[INFO] [stderr]                                at src/libcore/result.rs:1165
[INFO] [stderr]   15:     0x558eb1550608 - core::result::Result<T,E>::unwrap::h2800dfc5cad1b71a
[INFO] [stderr]                                at /rustc/23f8f652bcea053b70c0030008941f5f8476b5a0/src/libcore/result.rs:933
[INFO] [stderr]   16:     0x558eb155081c - build_script_build::main::h65e83538bac821c0
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/reproto-parser-0.3.36/build.rs:5
[INFO] [stderr]   17:     0x558eb15504c0 - std::rt::lang_start::{{closure}}::h1be6a7db8ff5eeb2
[INFO] [stderr]                                at /rustc/23f8f652bcea053b70c0030008941f5f8476b5a0/src/libstd/rt.rs:64
[INFO] [stderr]   18:     0x558eb2065d83 - std::rt::lang_start_internal::{{closure}}::hafe4631cc0633d40
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   19:     0x558eb2065d83 - std::panicking::try::do_call::h717827b47231de13
[INFO] [stderr]                                at src/libstd/panicking.rs:292
[INFO] [stderr]   20:     0x558eb2068aba - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   21:     0x558eb206684d - std::panicking::try::h389045103d38e408
[INFO] [stderr]                                at src/libstd/panicking.rs:271
[INFO] [stderr]   22:     0x558eb206684d - std::panic::catch_unwind::hcca2ee11418f038b
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   23:     0x558eb206684d - std::rt::lang_start_internal::hc0e13ab06870c4ba
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   24:     0x558eb1550499 - std::rt::lang_start::h3ce85c7b0b6a5087
[INFO] [stderr]                                at /rustc/23f8f652bcea053b70c0030008941f5f8476b5a0/src/libstd/rt.rs:64
[INFO] [stderr]   25:     0x558eb155087a - main
[INFO] [stderr]   26:     0x7f738263fb97 - __libc_start_main
[INFO] [stderr]   27:     0x558eb15500ca - _start
[INFO] [stderr]   28:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "e5b67ead3e8bfa6e620ec6b38674f5397d6bef1862ca2c2fb2502f0ba0c43ae2"`
[INFO] running `"docker" "rm" "-f" "e5b67ead3e8bfa6e620ec6b38674f5397d6bef1862ca2c2fb2502f0ba0c43ae2"`
[INFO] [stdout] e5b67ead3e8bfa6e620ec6b38674f5397d6bef1862ca2c2fb2502f0ba0c43ae2