[INFO] updating cached repository aschuhardt/mud-server
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/aschuhardt/mud-server
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/aschuhardt/mud-server" "work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/aschuhardt/mud-server"`
[INFO] [stderr] Cloning into 'work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/aschuhardt/mud-server'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/aschuhardt/mud-server" "work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/aschuhardt/mud-server"`
[INFO] [stderr] Cloning into 'work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/aschuhardt/mud-server'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 08cb1e7a7246751a47b4c9dde4d14bdfb0f0b2fb
[INFO] sha for GitHub repo aschuhardt/mud-server: 08cb1e7a7246751a47b4c9dde4d14bdfb0f0b2fb
[INFO] validating manifest of aschuhardt/mud-server on toolchain master#589beb979c0f1a9736e02e578913db88398c3ba5
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of aschuhardt/mud-server on toolchain try#42445ded8fd34235a676755cb5d079658ed51f6a
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing aschuhardt/mud-server
[INFO] finished frobbing aschuhardt/mud-server
[INFO] frobbed toml for aschuhardt/mud-server written to work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/aschuhardt/mud-server/Cargo.toml
[INFO] started frobbing aschuhardt/mud-server
[INFO] finished frobbing aschuhardt/mud-server
[INFO] frobbed toml for aschuhardt/mud-server written to work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/aschuhardt/mud-server/Cargo.toml
[INFO] crate aschuhardt/mud-server already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating git repository `https://github.com/aschuhardt/mud_server_session.git`
[INFO] [stderr]     Updating git repository `https://github.com/aschuhardt/mud_engine.git`
[INFO] [stderr]     Updating git repository `https://github.com/aschuhardt/mud_request.git`
[INFO] [stderr]     Updating git repository `https://github.com/aschuhardt/mud_response.git`
[INFO] [stderr] error: the lock file /mnt/crater-raid/crater/work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/aschuhardt/mud-server/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Updating git repository `https://github.com/aschuhardt/mud_server_session.git`
[INFO] [stderr]     Updating git repository `https://github.com/aschuhardt/mud_engine.git`
[INFO] [stderr]     Updating git repository `https://github.com/aschuhardt/mud_request.git`
[INFO] [stderr]     Updating git repository `https://github.com/aschuhardt/mud_response.git`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Updating git repository `https://github.com/aschuhardt/mud_server_session.git`
[INFO] [stderr]     Updating git repository `https://github.com/aschuhardt/mud_engine.git`
[INFO] [stderr]     Updating git repository `https://github.com/aschuhardt/mud_request.git`
[INFO] [stderr]     Updating git repository `https://github.com/aschuhardt/mud_response.git`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking aschuhardt/mud-server against try#42445ded8fd34235a676755cb5d079658ed51f6a for pr-60944
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60944/worker-3/try#42445ded8fd34235a676755cb5d079658ed51f6a:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/aschuhardt/mud-server:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 15284b6d47d6c93fcb41c9c223004f5d76861097f95b7e685399fbd743ca78a3
[INFO] running `"docker" "start" "-a" "15284b6d47d6c93fcb41c9c223004f5d76861097f95b7e685399fbd743ca78a3"`
[INFO] [stderr]    Compiling mud_server_session v0.1.0 (https://github.com/aschuhardt/mud_server_session.git#3ba4caf2)
[INFO] [stderr]    Compiling dungeon_server v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Checking mud_response v0.1.0 (https://github.com/aschuhardt/mud_response.git#79bf7b8b)
[INFO] [stderr]     Checking uuid v0.2.3
[INFO] [stderr]     Checking bincode v0.6.1
[INFO] [stderr]     Checking mud_request v0.1.0 (https://github.com/aschuhardt/mud_request.git#841a24d6)
[INFO] [stderr] error: failed to run custom build command for `mud_server_session v0.1.0 (https://github.com/aschuhardt/mud_server_session.git#3ba4caf2)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/mud_server_session-9a3ece2a5efadc94/build-script-build` (exit code: 101)
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at 'couldn't create config/config.json: other os error', /opt/crater/cargo-home/git/checkouts/mud_server_session-0d71cc0219e3ede4/3ba4caf/build.rs:29:18
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x565430543c33 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h4b8c8edcb4a1a884
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x56543053fbdb - std::sys_common::backtrace::_print::hb9cb43b8f3a26e66
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stderr]    2:     0x565430542c16 - std::panicking::default_hook::{{closure}}::hda0ee4005e6ff283
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]                                at src/libstd/panicking.rs:197
[INFO] [stderr]    3:     0x5654305429a9 - std::panicking::default_hook::hcd452a911bf63096
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    4:     0x56543054326f - std::panicking::rust_panic_with_hook::hf6a2e8487a670340
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    5:     0x565430542df1 - std::panicking::continue_panic_fmt::h12123d2ede034222
[INFO] [stderr]                                at src/libstd/panicking.rs:381
[INFO] [stderr]    6:     0x565430542d3e - std::panicking::begin_panic_fmt::h3dc0e57acecaed84
[INFO] [stderr]                                at src/libstd/panicking.rs:336
[INFO] [stderr]    7:     0x565430537d74 - build_script_build::create_config::hb8a91165b8230573
[INFO] [stderr]                                at /opt/crater/cargo-home/git/checkouts/mud_server_session-0d71cc0219e3ede4/3ba4caf/build.rs:29
[INFO] [stderr]    8:     0x565430537725 - build_script_build::main::he463b998a8ed1679
[INFO] [stderr]                                at /opt/crater/cargo-home/git/checkouts/mud_server_session-0d71cc0219e3ede4/3ba4caf/build.rs:8
[INFO] [stderr]    9:     0x565430538c2f - std::rt::lang_start::{{closure}}::h37e1b4f3a4120748
[INFO] [stderr]                                at /rustc/42445ded8fd34235a676755cb5d079658ed51f6a/src/libstd/rt.rs:64
[INFO] [stderr]   10:     0x565430542cc2 - std::panicking::try::do_call::hcd6e20d3f55d90f4
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]                                at src/libstd/panicking.rs:293
[INFO] [stderr]   11:     0x5654305450a9 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   12:     0x56543054377c - std::rt::lang_start_internal::h785c82e60cb8195f
[INFO] [stderr]                                at src/libstd/panicking.rs:272
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   13:     0x565430538c08 - std::rt::lang_start::had3ba69305e66783
[INFO] [stderr]                                at /rustc/42445ded8fd34235a676755cb5d079658ed51f6a/src/libstd/rt.rs:64
[INFO] [stderr]   14:     0x5654305381b9 - main
[INFO] [stderr]   15:     0x7f999c4f32e0 - __libc_start_main
[INFO] [stderr]   16:     0x565430537619 - _start
[INFO] [stderr]   17:                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 `dungeon_server v0.1.0 (/opt/crater/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/dungeon_server-c4f7cd2ad184a3f7/build-script-build` (exit code: 101)
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at 'couldn't create config/config.json: other os error', build.rs:29:18
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x561a7d56cc33 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h4b8c8edcb4a1a884
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x561a7d568bdb - std::sys_common::backtrace::_print::hb9cb43b8f3a26e66
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stderr]    2:     0x561a7d56bc16 - std::panicking::default_hook::{{closure}}::hda0ee4005e6ff283
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]                                at src/libstd/panicking.rs:197
[INFO] [stderr]    3:     0x561a7d56b9a9 - std::panicking::default_hook::hcd452a911bf63096
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    4:     0x561a7d56c26f - std::panicking::rust_panic_with_hook::hf6a2e8487a670340
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    5:     0x561a7d56bdf1 - std::panicking::continue_panic_fmt::h12123d2ede034222
[INFO] [stderr]                                at src/libstd/panicking.rs:381
[INFO] [stderr]    6:     0x561a7d56bd3e - std::panicking::begin_panic_fmt::h3dc0e57acecaed84
[INFO] [stderr]                                at src/libstd/panicking.rs:336
[INFO] [stderr]    7:     0x561a7d560d74 - build_script_build::create_config::h34ed5137dcc15359
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:29
[INFO] [stderr]    8:     0x561a7d560725 - build_script_build::main::h923c28f3029636a9
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:8
[INFO] [stderr]    9:     0x561a7d561c2f - std::rt::lang_start::{{closure}}::h4d96d5fadabaa177
[INFO] [stderr]                                at /rustc/42445ded8fd34235a676755cb5d079658ed51f6a/src/libstd/rt.rs:64
[INFO] [stderr]   10:     0x561a7d56bcc2 - std::panicking::try::do_call::hcd6e20d3f55d90f4
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]                                at src/libstd/panicking.rs:293
[INFO] [stderr]   11:     0x561a7d56e0a9 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   12:     0x561a7d56c77c - std::rt::lang_start_internal::h785c82e60cb8195f
[INFO] [stderr]                                at src/libstd/panicking.rs:272
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   13:     0x561a7d561c08 - std::rt::lang_start::hbb76b72c5071fd2e
[INFO] [stderr]                                at /rustc/42445ded8fd34235a676755cb5d079658ed51f6a/src/libstd/rt.rs:64
[INFO] [stderr]   14:     0x561a7d5611b9 - main
[INFO] [stderr]   15:     0x7fd96ad662e0 - __libc_start_main
[INFO] [stderr]   16:     0x561a7d560619 - _start
[INFO] [stderr]   17:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "15284b6d47d6c93fcb41c9c223004f5d76861097f95b7e685399fbd743ca78a3"`
[INFO] running `"docker" "rm" "-f" "15284b6d47d6c93fcb41c9c223004f5d76861097f95b7e685399fbd743ca78a3"`
[INFO] [stdout] 15284b6d47d6c93fcb41c9c223004f5d76861097f95b7e685399fbd743ca78a3