[INFO] updating cached repository https://github.com/stevebob/four-button-roguelike [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] 5eed78e3c2a943240168d4398899a07fc0cda7d9 [INFO] checking stevebob/four-button-roguelike against master#fe6d05a8b32f5c66c427ca524dbcce5a7145f87e for pr-64327 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevebob%2Ffour-button-roguelike" "work/builds/worker-6/source"` [INFO] [stderr] Cloning into 'work/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/stevebob/four-button-roguelike 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/stevebob/four-button-roguelike [INFO] finished tweaking git repo https://github.com/stevebob/four-button-roguelike [INFO] tweaked toml for git repo https://github.com/stevebob/four-button-roguelike written to work/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/stevebob/four-button-roguelike 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] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-6/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] 0a964540c6dffaa35aecbd92ca8b64be75cfe23a673b77c933783f91e152d0f4 [INFO] running `"docker" "start" "-a" "0a964540c6dffaa35aecbd92ca8b64be75cfe23a673b77c933783f91e152d0f4"` [INFO] [stderr] Compiling unidecode v0.2.0 [INFO] [stderr] Compiling regex-syntax v0.4.1 [INFO] [stderr] Compiling humansize v1.0.2 [INFO] [stderr] Compiling pest v0.4.1 [INFO] [stderr] Compiling either v1.4.0 [INFO] [stderr] Compiling num-integer v0.1.35 [INFO] [stderr] Compiling num-complex v0.1.41 [INFO] [stderr] Compiling memchr v2.0.1 [INFO] [stderr] Compiling time v0.1.38 [INFO] [stderr] Compiling itertools v0.7.4 [INFO] [stderr] Compiling aho-corasick v0.6.4 [INFO] [stderr] Compiling idna v0.1.4 [INFO] [stderr] Compiling serde_derive_internals v0.18.0 [INFO] [stderr] Compiling backtrace-sys v0.1.16 [INFO] [stderr] Compiling num-bigint v0.1.41 [INFO] [stderr] Compiling num-iter v0.1.34 [INFO] [stderr] Compiling backtrace v0.3.4 [INFO] [stderr] Compiling slug v0.1.2 [INFO] [stderr] Compiling regex v0.2.3 [INFO] [stderr] Compiling url v1.6.0 [INFO] [stderr] Compiling error-chain v0.10.0 [INFO] [stderr] Compiling serde_derive v1.0.24 [INFO] [stderr] Compiling num-rational v0.1.40 [INFO] [stderr] warning[E0713]: borrow may still be in use when destructor runs [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.6.0/src/form_urlencoded.rs:261:40 [INFO] [stderr] | [INFO] [stderr] 259 | impl<'a> Target for ::UrlQuery<'a> { [INFO] [stderr] | -- lifetime `'a` defined here [INFO] [stderr] 260 | fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization } [INFO] [stderr] 261 | fn finish(self) -> &'a mut ::Url { self.url } [INFO] [stderr] | ^^^^^^^^ - here, drop of `self` needs exclusive access to `*self.url`, because the type `UrlQuery<'_>` implements the `Drop` trait [INFO] [stderr] | | [INFO] [stderr] | returning this value requires that `*self.url` is borrowed for `'a` [INFO] [stderr] | [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] Compiling num v0.1.41 [INFO] [stderr] Compiling chrono v0.4.0 [INFO] [stderr] Compiling serde v1.0.24 [INFO] [stderr] Compiling serde_json v1.0.8 [INFO] [stderr] Compiling toml v0.4.5 [INFO] [stderr] Checking cgmath v0.15.0 [INFO] [stderr] Compiling tera v0.10.10 [INFO] [stderr] Checking direction v0.1.0 [INFO] [stderr] Compiling entity_store_code_gen v0.2.3 [INFO] [stderr] Checking entity_store_helper v0.2.0 [INFO] [stderr] Compiling four-button-roguelike v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error: failed to run custom build command for `four-button-roguelike v0.1.0 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/four-button-roguelike-6203535e04b77880/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Save(FailedToMakeSymlink("/opt/rustwide/target/debug/build/four-button-roguelike-4c6f76da046c48fb/out/entity_store.rs", Os { code: 30, kind: Other, message: "Read-only file system" }))', src/libcore/result.rs:1165:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55e3866ab094 - 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: 0x55e3866ab094 - 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: 0x55e3866ab094 - std::sys_common::backtrace::_print_fmt::h33a2346af837f531 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:77 [INFO] [stderr] 3: 0x55e3866ab094 - ::fmt::h4f658ab4e42d366e [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:61 [INFO] [stderr] 4: 0x55e3866cb36c - core::fmt::write::hd5bbaf3e01e48326 [INFO] [stderr] at src/libcore/fmt/mod.rs:1030 [INFO] [stderr] 5: 0x55e3866a95d7 - std::io::Write::write_fmt::h6193b508653ddcc9 [INFO] [stderr] at src/libstd/io/mod.rs:1412 [INFO] [stderr] 6: 0x55e3866ad445 - std::sys_common::backtrace::_print::he914b53d7a09a78d [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:65 [INFO] [stderr] 7: 0x55e3866ad445 - std::sys_common::backtrace::print::h92a8cb6723718f63 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:50 [INFO] [stderr] 8: 0x55e3866ad445 - std::panicking::default_hook::{{closure}}::hf505e0d7e2ecd403 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 9: 0x55e3866ad136 - std::panicking::default_hook::hc6772d9600f23c72 [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 10: 0x55e3866adae5 - std::panicking::rust_panic_with_hook::h7372d52cdbd74b87 [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 11: 0x55e3866ad682 - std::panicking::continue_panic_fmt::h73b3f53425683dc6 [INFO] [stderr] at src/libstd/panicking.rs:384 [INFO] [stderr] 12: 0x55e3866ad576 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:311 [INFO] [stderr] 13: 0x55e3866c7b5a - core::panicking::panic_fmt::hbcbcea482a1f859e [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 14: 0x55e3866c7c57 - core::result::unwrap_failed::h8065af330f1ff736 [INFO] [stderr] at src/libcore/result.rs:1165 [INFO] [stderr] 15: 0x55e38623b963 - core::result::Result::unwrap::hf90a03d7a519271b [INFO] [stderr] at /rustc/fe6d05a8b32f5c66c427ca524dbcce5a7145f87e/src/libcore/result.rs:933 [INFO] [stderr] 16: 0x55e38623ad71 - build_script_build::main::hf6ab9fe74748d7a1 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:4 [INFO] [stderr] 17: 0x55e38623ace0 - std::rt::lang_start::{{closure}}::h557fcfc75ff2d4fd [INFO] [stderr] at /rustc/fe6d05a8b32f5c66c427ca524dbcce5a7145f87e/src/libstd/rt.rs:64 [INFO] [stderr] 18: 0x55e3866ad513 - std::rt::lang_start_internal::{{closure}}::h9d96e46706cace5b [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 19: 0x55e3866ad513 - std::panicking::try::do_call::h35d84c71f56bf844 [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 20: 0x55e3866af8da - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:80 [INFO] [stderr] 21: 0x55e3866adfdd - std::panicking::try::h2c16ac107e4a3736 [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 22: 0x55e3866adfdd - std::panic::catch_unwind::h61680e437015f378 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 23: 0x55e3866adfdd - std::rt::lang_start_internal::h9e089243f326ffce [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 24: 0x55e38623acb9 - std::rt::lang_start::hb05979362db12f32 [INFO] [stderr] at /rustc/fe6d05a8b32f5c66c427ca524dbcce5a7145f87e/src/libstd/rt.rs:64 [INFO] [stderr] 25: 0x55e38623adaa - main [INFO] [stderr] 26: 0x7f18763b4b97 - __libc_start_main [INFO] [stderr] 27: 0x55e38623ab7a - _start [INFO] [stderr] 28: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "0a964540c6dffaa35aecbd92ca8b64be75cfe23a673b77c933783f91e152d0f4"` [INFO] running `"docker" "rm" "-f" "0a964540c6dffaa35aecbd92ca8b64be75cfe23a673b77c933783f91e152d0f4"` [INFO] [stdout] 0a964540c6dffaa35aecbd92ca8b64be75cfe23a673b77c933783f91e152d0f4