[INFO] cloning repository aschuhardt/mud-server
[INFO] running `"git" "clone" "--bare" "git://github.com/aschuhardt/mud-server.git" "work/cache/sources/gh/aschuhardt/mud-server"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/aschuhardt/mud-server'...
[INFO] running `"git" "clone" "work/cache/sources/gh/aschuhardt/mud-server" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/aschuhardt/mud-server"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/aschuhardt/mud-server'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/aschuhardt/mud-server" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/aschuhardt/mud-server"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/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#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of aschuhardt/mud-server on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-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-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/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-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/aschuhardt/mud-server/Cargo.toml
[INFO] crate aschuhardt/mud-server already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-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/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/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/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking aschuhardt/mud-server against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-1/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/aschuhardt/mud-server:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f923dbba025bbc2512e5bf9f1ea83f51960a6cdc165758c0e3c6a24422cc107f
[INFO] running `"docker" "start" "-a" "f923dbba025bbc2512e5bf9f1ea83f51960a6cdc165758c0e3c6a24422cc107f"`
[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] 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-844908f13f05aded/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:     0x561c01851d7b - backtrace::backtrace::libunwind::trace::h8758853b907b30fd
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x561c01851d7b - backtrace::backtrace::trace_unsynchronized::h979d07d4bfdce29c
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x561c01851d7b - std::sys_common::backtrace::_print::ha749bbdb811617ea
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x561c01851d7b - std::sys_common::backtrace::print::h86a6ff63a904e869
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x561c01851d7b - std::panicking::default_hook::{{closure}}::h68500b20afb715b9
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x561c01851a57 - std::panicking::default_hook::ha801ade4ae33c264
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x561c01852440 - std::panicking::rust_panic_with_hook::hfb51b615c6060100
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x561c01851fc2 - std::panicking::continue_panic_fmt::h94bd84d5bf32c833
[INFO] [stderr]                                at src/libstd/panicking.rs:384
[INFO] [stderr]    8:     0x561c01851f0f - std::panicking::begin_panic_fmt::hd0bcc12fdd0dd8fa
[INFO] [stderr]                                at src/libstd/panicking.rs:339
[INFO] [stderr]    9:     0x561c018483a7 - build_script_build::create_config::hde19230e663afcc0
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:29
[INFO] [stderr]   10:     0x561c01847d56 - build_script_build::main::hc383bea6dfc080a2
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:8
[INFO] [stderr]   11:     0x561c01848d30 - std::rt::lang_start::{{closure}}::h592512b212030b06
[INFO] [stderr]                                at /rustc/8f81d0bf6baf07b92f1246696722485c4ca0b049/src/libstd/rt.rs:64
[INFO] [stderr]   12:     0x561c01851e93 - std::rt::lang_start_internal::{{closure}}::h25858f7dd6124e1a
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   13:     0x561c01851e93 - std::panicking::try::do_call::h51cc84caa9338daf
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   14:     0x561c01853e6a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stderr]   15:     0x561c0185294d - std::panicking::try::heb9d5da34e3fa707
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   16:     0x561c0185294d - std::panic::catch_unwind::he2a2041733180f4c
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]   17:     0x561c0185294d - std::rt::lang_start_internal::h9e24cef029766dfd
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   18:     0x561c01848d09 - std::rt::lang_start::h12eab283af3390c8
[INFO] [stderr]                                at /rustc/8f81d0bf6baf07b92f1246696722485c4ca0b049/src/libstd/rt.rs:64
[INFO] [stderr]   19:     0x561c0184881a - main
[INFO] [stderr]   20:     0x7f11492ee2e1 - __libc_start_main
[INFO] [stderr]   21:     0x561c01847c4a - _start
[INFO] [stderr]   22:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "f923dbba025bbc2512e5bf9f1ea83f51960a6cdc165758c0e3c6a24422cc107f"`
[INFO] running `"docker" "rm" "-f" "f923dbba025bbc2512e5bf9f1ea83f51960a6cdc165758c0e3c6a24422cc107f"`
[INFO] [stdout] f923dbba025bbc2512e5bf9f1ea83f51960a6cdc165758c0e3c6a24422cc107f