[INFO] updating cached repository https://github.com/aschuhardt/mud-server [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 08cb1e7a7246751a47b4c9dde4d14bdfb0f0b2fb [INFO] checking aschuhardt/mud-server against master#fe6d05a8b32f5c66c427ca524dbcce5a7145f87e for pr-64327 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Faschuhardt%2Fmud-server" "work/builds/worker-4/source"` [INFO] [stderr] Cloning into 'work/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/aschuhardt/mud-server on toolchain fe6d05a8b32f5c66c427ca524dbcce5a7145f87e-alt [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+fe6d05a8b32f5c66c427ca524dbcce5a7145f87e-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/aschuhardt/mud-server [INFO] finished tweaking git repo https://github.com/aschuhardt/mud-server [INFO] tweaked toml for git repo https://github.com/aschuhardt/mud-server written to work/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/aschuhardt/mud-server already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+fe6d05a8b32f5c66c427ca524dbcce5a7145f87e-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/crater/work/builds/worker-4/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] the lockfile is outdated, regenerating it [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+fe6d05a8b32f5c66c427ca524dbcce5a7145f87e-alt" "generate-lockfile"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/crater/work/cargo-home/bin/cargo" "+fe6d05a8b32f5c66c427ca524dbcce5a7145f87e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+fe6d05a8b32f5c66c427ca524dbcce5a7145f87e-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 0392866c2f713e66527e7be4c5de4e24387be0d1f6c79d0610460c1d9c463cf2 [INFO] running `"docker" "start" "-a" "0392866c2f713e66527e7be4c5de4e24387be0d1f6c79d0610460c1d9c463cf2"` [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/rustwide/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] 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/rustwide/target/debug/build/mud_server_session-c06bbbdd79e9f991/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/rustwide/cargo-home/git/checkouts/mud_server_session-0d71cc0219e3ede4/3ba4caf/build.rs:29:18 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55cc4e3bebb4 - backtrace::backtrace::libunwind::trace::h7b2a6b74301d37f0 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x55cc4e3bebb4 - backtrace::backtrace::trace_unsynchronized::h89a5cf99a9618766 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55cc4e3bebb4 - std::sys_common::backtrace::_print_fmt::h33a2346af837f531 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:77 [INFO] [stderr] 3: 0x55cc4e3bebb4 - ::fmt::h4f658ab4e42d366e [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:61 [INFO] [stderr] 4: 0x55cc4e3d80cc - core::fmt::write::hd5bbaf3e01e48326 [INFO] [stderr] at src/libcore/fmt/mod.rs:1030 [INFO] [stderr] 5: 0x55cc4e3bcf67 - std::io::Write::write_fmt::h6193b508653ddcc9 [INFO] [stderr] at src/libstd/io/mod.rs:1412 [INFO] [stderr] 6: 0x55cc4e3c0ea5 - std::sys_common::backtrace::_print::he914b53d7a09a78d [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:65 [INFO] [stderr] 7: 0x55cc4e3c0ea5 - std::sys_common::backtrace::print::h92a8cb6723718f63 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:50 [INFO] [stderr] 8: 0x55cc4e3c0ea5 - std::panicking::default_hook::{{closure}}::hf505e0d7e2ecd403 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 9: 0x55cc4e3c0b96 - std::panicking::default_hook::hc6772d9600f23c72 [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 10: 0x55cc4e3c14f5 - std::panicking::rust_panic_with_hook::h7372d52cdbd74b87 [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 11: 0x55cc4e3c1092 - std::panicking::continue_panic_fmt::h73b3f53425683dc6 [INFO] [stderr] at src/libstd/panicking.rs:384 [INFO] [stderr] 12: 0x55cc4e3c0fec - std::panicking::begin_panic_fmt::h3326697be50bb4cb [INFO] [stderr] at src/libstd/panicking.rs:339 [INFO] [stderr] 13: 0x55cc4e3b7943 - build_script_build::create_config::h1491be39d62f12b6 [INFO] [stderr] at /opt/rustwide/cargo-home/git/checkouts/mud_server_session-0d71cc0219e3ede4/3ba4caf/build.rs:29 [INFO] [stderr] 14: 0x55cc4e3b7306 - build_script_build::main::h84afb9fc6486bb44 [INFO] [stderr] at /opt/rustwide/cargo-home/git/checkouts/mud_server_session-0d71cc0219e3ede4/3ba4caf/build.rs:8 [INFO] [stderr] 15: 0x55cc4e3b85d0 - std::rt::lang_start::{{closure}}::h81e7d07a9f933758 [INFO] [stderr] at /rustc/fe6d05a8b32f5c66c427ca524dbcce5a7145f87e/src/libstd/rt.rs:64 [INFO] [stderr] 16: 0x55cc4e3c0f73 - std::rt::lang_start_internal::{{closure}}::h9d96e46706cace5b [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 17: 0x55cc4e3c0f73 - std::panicking::try::do_call::h35d84c71f56bf844 [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 18: 0x55cc4e3c2eca - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:80 [INFO] [stderr] 19: 0x55cc4e3c19ed - std::panicking::try::h2c16ac107e4a3736 [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 20: 0x55cc4e3c19ed - std::panic::catch_unwind::h61680e437015f378 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 21: 0x55cc4e3c19ed - std::rt::lang_start_internal::h9e089243f326ffce [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 22: 0x55cc4e3b85a9 - std::rt::lang_start::he03446970a0be4f6 [INFO] [stderr] at /rustc/fe6d05a8b32f5c66c427ca524dbcce5a7145f87e/src/libstd/rt.rs:64 [INFO] [stderr] 23: 0x55cc4e3b7dba - main [INFO] [stderr] 24: 0x7fd7f38c8b97 - __libc_start_main [INFO] [stderr] 25: 0x55cc4e3b721a - _start [INFO] [stderr] 26: 0x0 - [INFO] [stderr] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "0392866c2f713e66527e7be4c5de4e24387be0d1f6c79d0610460c1d9c463cf2"` [INFO] running `"docker" "rm" "-f" "0392866c2f713e66527e7be4c5de4e24387be0d1f6c79d0610460c1d9c463cf2"` [INFO] [stdout] 0392866c2f713e66527e7be4c5de4e24387be0d1f6c79d0610460c1d9c463cf2