[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-60932/sources/master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4/gh/aschuhardt/mud-server"`
[INFO] [stderr] Cloning into 'work/ex/pr-60932/sources/master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4/gh/aschuhardt/mud-server'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/aschuhardt/mud-server" "work/ex/pr-60932/sources/try#097e26225c5cc28d3042ad4c80eac7c488f78ee7/gh/aschuhardt/mud-server"`
[INFO] [stderr] Cloning into 'work/ex/pr-60932/sources/try#097e26225c5cc28d3042ad4c80eac7c488f78ee7/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#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+548add7f61bfcbe3bea3f5ccefb53c84da8fefe4-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of aschuhardt/mud-server on toolchain try#097e26225c5cc28d3042ad4c80eac7c488f78ee7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+097e26225c5cc28d3042ad4c80eac7c488f78ee7-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-60932/sources/master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4/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-60932/sources/try#097e26225c5cc28d3042ad4c80eac7c488f78ee7/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" "+548add7f61bfcbe3bea3f5ccefb53c84da8fefe4-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-60932/sources/master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4/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" "+548add7f61bfcbe3bea3f5ccefb53c84da8fefe4-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" "+097e26225c5cc28d3042ad4c80eac7c488f78ee7-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" "+548add7f61bfcbe3bea3f5ccefb53c84da8fefe4-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+097e26225c5cc28d3042ad4c80eac7c488f78ee7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking aschuhardt/mud-server against try#097e26225c5cc28d3042ad4c80eac7c488f78ee7 for pr-60932
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60932/worker-1/try#097e26225c5cc28d3042ad4c80eac7c488f78ee7:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60932/sources/try#097e26225c5cc28d3042ad4c80eac7c488f78ee7/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" "+097e26225c5cc28d3042ad4c80eac7c488f78ee7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f4f4c8dee0233a6f2d9bb63ebeb0ee3ccd5bb212b79681270069a52b09c3ed87
[INFO] running `"docker" "start" "-a" "f4f4c8dee0233a6f2d9bb63ebeb0ee3ccd5bb212b79681270069a52b09c3ed87"`
[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 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-0a6abd9096c92479/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:     0x563d3606bc33 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::hb86dc1fb0b442027
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x563d36067bdb - std::sys_common::backtrace::_print::he27bf30bb6a50cd1
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stderr]    2:     0x563d3606ac16 - std::panicking::default_hook::{{closure}}::haf7208e368fb476d
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]                                at src/libstd/panicking.rs:197
[INFO] [stderr]    3:     0x563d3606a9a9 - std::panicking::default_hook::h6aa631b542cb49f6
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    4:     0x563d3606b26f - std::panicking::rust_panic_with_hook::h63036ceac06734a7
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    5:     0x563d3606adf1 - std::panicking::continue_panic_fmt::had5638085269ae01
[INFO] [stderr]                                at src/libstd/panicking.rs:381
[INFO] [stderr]    6:     0x563d3606ad3e - std::panicking::begin_panic_fmt::hf59f02545c411f56
[INFO] [stderr]                                at src/libstd/panicking.rs:336
[INFO] [stderr]    7:     0x563d3605fd74 - build_script_build::create_config::hb61b2f383b7f90bc
[INFO] [stderr]                                at /opt/crater/cargo-home/git/checkouts/mud_server_session-0d71cc0219e3ede4/3ba4caf/build.rs:29
[INFO] [stderr]    8:     0x563d3605f725 - build_script_build::main::hebc10d460efad4b2
[INFO] [stderr]                                at /opt/crater/cargo-home/git/checkouts/mud_server_session-0d71cc0219e3ede4/3ba4caf/build.rs:8
[INFO] [stderr]    9:     0x563d36060c2f - std::rt::lang_start::{{closure}}::h42b66f2981f042bb
[INFO] [stderr]                                at /rustc/097e26225c5cc28d3042ad4c80eac7c488f78ee7/src/libstd/rt.rs:64
[INFO] [stderr]   10:     0x563d3606acc2 - std::panicking::try::do_call::h065ca54c188bc281
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]                                at src/libstd/panicking.rs:293
[INFO] [stderr]   11:     0x563d3606d0a9 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   12:     0x563d3606b77c - std::rt::lang_start_internal::h43f5185ef3d4a81d
[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:     0x563d36060c08 - std::rt::lang_start::h420b66d305ea6ce5
[INFO] [stderr]                                at /rustc/097e26225c5cc28d3042ad4c80eac7c488f78ee7/src/libstd/rt.rs:64
[INFO] [stderr]   14:     0x563d360601b9 - main
[INFO] [stderr]   15:     0x7fcd5dce92e0 - __libc_start_main
[INFO] [stderr]   16:     0x563d3605f619 - _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-da349cc244258413/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:     0x5559dfc5cc33 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::hb86dc1fb0b442027
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x5559dfc58bdb - std::sys_common::backtrace::_print::he27bf30bb6a50cd1
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stderr]    2:     0x5559dfc5bc16 - std::panicking::default_hook::{{closure}}::haf7208e368fb476d
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]                                at src/libstd/panicking.rs:197
[INFO] [stderr]    3:     0x5559dfc5b9a9 - std::panicking::default_hook::h6aa631b542cb49f6
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    4:     0x5559dfc5c26f - std::panicking::rust_panic_with_hook::h63036ceac06734a7
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    5:     0x5559dfc5bdf1 - std::panicking::continue_panic_fmt::had5638085269ae01
[INFO] [stderr]                                at src/libstd/panicking.rs:381
[INFO] [stderr]    6:     0x5559dfc5bd3e - std::panicking::begin_panic_fmt::hf59f02545c411f56
[INFO] [stderr]                                at src/libstd/panicking.rs:336
[INFO] [stderr]    7:     0x5559dfc50d74 - build_script_build::create_config::hced51b9cc5e1ac14
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:29
[INFO] [stderr]    8:     0x5559dfc50725 - build_script_build::main::h4999313b6ca52b3a
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:8
[INFO] [stderr]    9:     0x5559dfc51c2f - std::rt::lang_start::{{closure}}::h826347581a98e529
[INFO] [stderr]                                at /rustc/097e26225c5cc28d3042ad4c80eac7c488f78ee7/src/libstd/rt.rs:64
[INFO] [stderr]   10:     0x5559dfc5bcc2 - std::panicking::try::do_call::h065ca54c188bc281
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]                                at src/libstd/panicking.rs:293
[INFO] [stderr]   11:     0x5559dfc5e0a9 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   12:     0x5559dfc5c77c - std::rt::lang_start_internal::h43f5185ef3d4a81d
[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:     0x5559dfc51c08 - std::rt::lang_start::h77f51041eb5f8db9
[INFO] [stderr]                                at /rustc/097e26225c5cc28d3042ad4c80eac7c488f78ee7/src/libstd/rt.rs:64
[INFO] [stderr]   14:     0x5559dfc511b9 - main
[INFO] [stderr]   15:     0x7f96584892e0 - __libc_start_main
[INFO] [stderr]   16:     0x5559dfc50619 - _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" "f4f4c8dee0233a6f2d9bb63ebeb0ee3ccd5bb212b79681270069a52b09c3ed87"`
[INFO] running `"docker" "rm" "-f" "f4f4c8dee0233a6f2d9bb63ebeb0ee3ccd5bb212b79681270069a52b09c3ed87"`
[INFO] [stdout] f4f4c8dee0233a6f2d9bb63ebeb0ee3ccd5bb212b79681270069a52b09c3ed87