[INFO] updating cached repository DiscordCraft/Arrayong
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/DiscordCraft/Arrayong
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/DiscordCraft/Arrayong" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/DiscordCraft/Arrayong"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/DiscordCraft/Arrayong'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/DiscordCraft/Arrayong" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/DiscordCraft/Arrayong"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/DiscordCraft/Arrayong'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] abe6dc1f4c7585840ba4975b8f29bcdaf8ee9de3
[INFO] sha for GitHub repo DiscordCraft/Arrayong: abe6dc1f4c7585840ba4975b8f29bcdaf8ee9de3
[INFO] validating manifest of DiscordCraft/Arrayong on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of DiscordCraft/Arrayong on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing DiscordCraft/Arrayong
[INFO] finished frobbing DiscordCraft/Arrayong
[INFO] frobbed toml for DiscordCraft/Arrayong written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/DiscordCraft/Arrayong/Cargo.toml
[INFO] started frobbing DiscordCraft/Arrayong
[INFO] finished frobbing DiscordCraft/Arrayong
[INFO] frobbed toml for DiscordCraft/Arrayong written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/DiscordCraft/Arrayong/Cargo.toml
[INFO] crate DiscordCraft/Arrayong already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking DiscordCraft/Arrayong against master#60960a260f7b5c695fd0717311d72ce62dd4eb43 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-7/master#60960a260f7b5c695fd0717311d72ce62dd4eb43:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/DiscordCraft/Arrayong:/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" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] bab853e0e3a1aae6b4352f8ced76290d75ad63dfac636b0fdf443391aad5733c
[INFO] running `"docker" "start" "-a" "bab853e0e3a1aae6b4352f8ced76290d75ad63dfac636b0fdf443391aad5733c"`
[INFO] [stderr]     Checking sublime_fuzzy v0.4.1
[INFO] [stderr]     Checking parking_lot_core v0.2.10
[INFO] [stderr]     Checking mio v0.6.12
[INFO] [stderr]     Checking flate2 v1.0.1
[INFO] [stderr]     Checking evzht9h3nznqzwl v0.0.3
[INFO] [stderr]    Compiling mime_guess v1.8.3
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.3
[INFO] [stderr] error: failed to run custom build command for `mime_guess v1.8.3`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/mime_guess-d3b4b06449249e50/build-script-gen_mime_types` (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" }', src/libcore/result.rs:1084:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5611d1e9196b - backtrace::backtrace::libunwind::trace::h2577eef7cb82271e
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x5611d1e9196b - backtrace::backtrace::trace_unsynchronized::ha9b72a77aa6c4ce9
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x5611d1e9196b - std::sys_common::backtrace::_print::h8e2c1c5cda6e4e6e
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x5611d1e9196b - std::sys_common::backtrace::print::h7e0f8aad0d8a6f3b
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x5611d1e9196b - std::panicking::default_hook::{{closure}}::haae4327ede06a559
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x5611d1e91646 - std::panicking::default_hook::hbf5f36093f15fccc
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x5611d1e9202d - std::panicking::rust_panic_with_hook::hf385e0a05e771036
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x5611d1e91bb2 - std::panicking::continue_panic_fmt::h95ba204f85050b4c
[INFO] [stderr]                                at src/libstd/panicking.rs:384
[INFO] [stderr]    8:     0x5611d1e91a96 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:311
[INFO] [stderr]    9:     0x5611d1ea68ed - core::panicking::panic_fmt::h581f7a1e5499d350
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   10:     0x5611d1ea69e7 - core::result::unwrap_failed::h863b7818e32f0320
[INFO] [stderr]                                at src/libcore/result.rs:1084
[INFO] [stderr]   11:     0x5611d1e57b90 - core::result::Result<T,E>::unwrap::h0cc363b68f46ee6d
[INFO] [stderr]                                at /rustc/60960a260f7b5c695fd0717311d72ce62dd4eb43/src/libcore/result.rs:852
[INFO] [stderr]   12:     0x5611d1e59ca5 - build_script_gen_mime_types::main::hfc549c3efe05e1b3
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/mime_guess-1.8.3/src/gen_mime_types.rs:22
[INFO] [stderr]   13:     0x5611d1e449d0 - std::rt::lang_start::{{closure}}::ha876303aa12a1bb6
[INFO] [stderr]                                at /rustc/60960a260f7b5c695fd0717311d72ce62dd4eb43/src/libstd/rt.rs:64
[INFO] [stderr]   14:     0x5611d1e91a83 - std::rt::lang_start_internal::{{closure}}::heabbf1748dc855a1
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   15:     0x5611d1e91a83 - std::panicking::try::do_call::hf890723f0a5de9f8
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   16:     0x5611d1e93b7a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   17:     0x5611d1e9253d - std::panicking::try::hf36ba5410913b146
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   18:     0x5611d1e9253d - std::panic::catch_unwind::hdfbba43a8f6b3f51
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   19:     0x5611d1e9253d - std::rt::lang_start_internal::h85d3c6f2844a1656
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   20:     0x5611d1e449a9 - std::rt::lang_start::h4102026dd2c89b73
[INFO] [stderr]                                at /rustc/60960a260f7b5c695fd0717311d72ce62dd4eb43/src/libstd/rt.rs:64
[INFO] [stderr]   21:     0x5611d1e5b22a - main
[INFO] [stderr]   22:     0x7f55654a02e1 - __libc_start_main
[INFO] [stderr]   23:     0x5611d1e303da - _start
[INFO] [stderr]   24:                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 `mime_guess v2.0.0-alpha.3`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/mime_guess-21a8b85bcfa76e60/build-script-gen_mime_types` (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" }', src/libcore/result.rs:1084:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x561f39e5196b - backtrace::backtrace::libunwind::trace::h2577eef7cb82271e
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x561f39e5196b - backtrace::backtrace::trace_unsynchronized::ha9b72a77aa6c4ce9
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x561f39e5196b - std::sys_common::backtrace::_print::h8e2c1c5cda6e4e6e
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x561f39e5196b - std::sys_common::backtrace::print::h7e0f8aad0d8a6f3b
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x561f39e5196b - std::panicking::default_hook::{{closure}}::haae4327ede06a559
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x561f39e51646 - std::panicking::default_hook::hbf5f36093f15fccc
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x561f39e5202d - std::panicking::rust_panic_with_hook::hf385e0a05e771036
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x561f39e51bb2 - std::panicking::continue_panic_fmt::h95ba204f85050b4c
[INFO] [stderr]                                at src/libstd/panicking.rs:384
[INFO] [stderr]    8:     0x561f39e51a96 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:311
[INFO] [stderr]    9:     0x561f39e668ed - core::panicking::panic_fmt::h581f7a1e5499d350
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   10:     0x561f39e669e7 - core::result::unwrap_failed::h863b7818e32f0320
[INFO] [stderr]                                at src/libcore/result.rs:1084
[INFO] [stderr]   11:     0x561f39e17c00 - core::result::Result<T,E>::unwrap::h92a3c8e2d900ef59
[INFO] [stderr]                                at /rustc/60960a260f7b5c695fd0717311d72ce62dd4eb43/src/libcore/result.rs:852
[INFO] [stderr]   12:     0x561f39e19ca5 - build_script_gen_mime_types::main::h416c209cd683c364
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/mime_guess-2.0.0-alpha.3/src/gen_mime_types.rs:22
[INFO] [stderr]   13:     0x561f39e049d0 - std::rt::lang_start::{{closure}}::h7f800f9ed2540b86
[INFO] [stderr]                                at /rustc/60960a260f7b5c695fd0717311d72ce62dd4eb43/src/libstd/rt.rs:64
[INFO] [stderr]   14:     0x561f39e51a83 - std::rt::lang_start_internal::{{closure}}::heabbf1748dc855a1
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   15:     0x561f39e51a83 - std::panicking::try::do_call::hf890723f0a5de9f8
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   16:     0x561f39e53b7a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   17:     0x561f39e5253d - std::panicking::try::hf36ba5410913b146
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   18:     0x561f39e5253d - std::panic::catch_unwind::hdfbba43a8f6b3f51
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   19:     0x561f39e5253d - std::rt::lang_start_internal::h85d3c6f2844a1656
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   20:     0x561f39e049a9 - std::rt::lang_start::h4a4db5856f8a2fe7
[INFO] [stderr]                                at /rustc/60960a260f7b5c695fd0717311d72ce62dd4eb43/src/libstd/rt.rs:64
[INFO] [stderr]   21:     0x561f39e1b22a - main
[INFO] [stderr]   22:     0x7f1bfdfd12e1 - __libc_start_main
[INFO] [stderr]   23:     0x561f39df03da - _start
[INFO] [stderr]   24:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "bab853e0e3a1aae6b4352f8ced76290d75ad63dfac636b0fdf443391aad5733c"`
[INFO] running `"docker" "rm" "-f" "bab853e0e3a1aae6b4352f8ced76290d75ad63dfac636b0fdf443391aad5733c"`
[INFO] [stdout] bab853e0e3a1aae6b4352f8ced76290d75ad63dfac636b0fdf443391aad5733c