[INFO] updating cached repository stevebob/four-button-roguelike [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/stevebob/four-button-roguelike [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/stevebob/four-button-roguelike" "work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/stevebob/four-button-roguelike"` [INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/stevebob/four-button-roguelike'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/stevebob/four-button-roguelike" "work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/stevebob/four-button-roguelike"` [INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/stevebob/four-button-roguelike'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 5eed78e3c2a943240168d4398899a07fc0cda7d9 [INFO] sha for GitHub repo stevebob/four-button-roguelike: 5eed78e3c2a943240168d4398899a07fc0cda7d9 [INFO] validating manifest of stevebob/four-button-roguelike on toolchain master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of stevebob/four-button-roguelike on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing stevebob/four-button-roguelike [INFO] finished frobbing stevebob/four-button-roguelike [INFO] frobbed toml for stevebob/four-button-roguelike written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/stevebob/four-button-roguelike/Cargo.toml [INFO] started frobbing stevebob/four-button-roguelike [INFO] finished frobbing stevebob/four-button-roguelike [INFO] frobbed toml for stevebob/four-button-roguelike written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/stevebob/four-button-roguelike/Cargo.toml [INFO] crate stevebob/four-button-roguelike already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking stevebob/four-button-roguelike against master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7 for pr-62507 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-1/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/stevebob/four-button-roguelike:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] e02f16381a3140412bf78c1d5b10c07f5d5d16de1cc5ccb73d6b430c2cc971f4 [INFO] running `"docker" "start" "-a" "e02f16381a3140412bf78c1d5b10c07f5d5d16de1cc5ccb73d6b430c2cc971f4"` [INFO] [stderr] Compiling num-traits v0.1.41 [INFO] [stderr] Compiling unidecode v0.2.0 [INFO] [stderr] Compiling pest v0.4.1 [INFO] [stderr] Compiling humansize v1.0.2 [INFO] [stderr] Compiling rand v0.3.18 [INFO] [stderr] Compiling memchr v2.0.1 [INFO] [stderr] Compiling time v0.1.38 [INFO] [stderr] Compiling itertools v0.7.4 [INFO] [stderr] Checking num-complex v0.1.41 [INFO] [stderr] Checking num-bigint v0.1.41 [INFO] [stderr] Compiling aho-corasick v0.6.4 [INFO] [stderr] Compiling serde_derive_internals v0.18.0 [INFO] [stderr] Compiling backtrace-sys v0.1.16 [INFO] [stderr] Compiling url v1.6.0 [INFO] [stderr] Compiling num-integer v0.1.35 [INFO] [stderr] Compiling backtrace v0.3.4 [INFO] [stderr] Compiling regex v0.2.3 [INFO] [stderr] Checking num-rational v0.1.40 [INFO] [stderr] Compiling num-iter v0.1.34 [INFO] [stderr] Checking num v0.1.41 [INFO] [stderr] warning[E0713]: borrow may still be in use when destructor runs [INFO] [stderr] --> /opt/crater/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 slug v0.1.2 [INFO] [stderr] Compiling error-chain v0.10.0 [INFO] [stderr] Compiling serde_derive v1.0.24 [INFO] [stderr] Compiling chrono v0.4.0 [INFO] [stderr] Compiling serde v1.0.24 [INFO] [stderr] Checking cgmath v0.15.0 [INFO] [stderr] Compiling serde_json v1.0.8 [INFO] [stderr] Compiling toml v0.4.5 [INFO] [stderr] Compiling tera v0.10.10 [INFO] [stderr] Checking direction v0.1.0 [INFO] [stderr] Checking entity_store_helper v0.2.0 [INFO] [stderr] Compiling entity_store_code_gen v0.2.3 [INFO] [stderr] Compiling four-button-roguelike v0.1.0 (/opt/crater/workdir) [INFO] [stderr] error: failed to run custom build command for `four-button-roguelike v0.1.0 (/opt/crater/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/four-button-roguelike-33130ea369e15c40/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/crater/target/debug/build/four-button-roguelike-af6950c21baa7e9d/out/entity_store.rs", Os { code: 30, kind: Other, message: "Read-only file system" }))', src/libcore/result.rs:1051:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55dc7cbc9fcb - backtrace::backtrace::libunwind::trace::h4f04af92f39f2b78 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x55dc7cbc9fcb - backtrace::backtrace::trace_unsynchronized::hb28ce8d2b7fb3e31 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55dc7cbc9fcb - std::sys_common::backtrace::_print::he3f49d2d13a51ff1 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x55dc7cbc9fcb - std::sys_common::backtrace::print::h46c2f3b13519e9bf [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x55dc7cbc9fcb - std::panicking::default_hook::{{closure}}::h6694acddafc67583 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x55dc7cbc9ca7 - std::panicking::default_hook::hb4761d2feeb6d93c [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x55dc7cbca6e0 - std::panicking::rust_panic_with_hook::h7a5f9620b0a832bc [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x55dc7cbca262 - std::panicking::continue_panic_fmt::h76588b16c9674f9c [INFO] [stderr] at src/libstd/panicking.rs:384 [INFO] [stderr] 8: 0x55dc7cbca146 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:311 [INFO] [stderr] 9: 0x55dc7cbe495d - core::panicking::panic_fmt::hcce9be08ab68e123 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 10: 0x55dc7c75e293 - core::result::unwrap_failed::h742f919d6f70b431 [INFO] [stderr] at /rustc/78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/src/libcore/macros.rs:18 [INFO] [stderr] 11: 0x55dc7c75e3ce - core::result::Result::unwrap::hd339fc0d550bfad6 [INFO] [stderr] at /rustc/78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/src/libcore/result.rs:852 [INFO] [stderr] 12: 0x55dc7c75df91 - build_script_build::main::ha6686739493ee124 [INFO] [stderr] at /opt/crater/workdir/build.rs:4 [INFO] [stderr] 13: 0x55dc7c75e050 - std::rt::lang_start::{{closure}}::h25677878b3068b83 [INFO] [stderr] at /rustc/78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/src/libstd/rt.rs:64 [INFO] [stderr] 14: 0x55dc7cbca0e3 - std::rt::lang_start_internal::{{closure}}::h32e298b4b9152770 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 15: 0x55dc7cbca0e3 - std::panicking::try::do_call::hc8de7cda8a6a61da [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 16: 0x55dc7cbcc4da - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:82 [INFO] [stderr] 17: 0x55dc7cbcabed - std::panicking::try::h2d3ab36572ae54da [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 18: 0x55dc7cbcabed - std::panic::catch_unwind::h4b587439b0094333 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 19: 0x55dc7cbcabed - std::rt::lang_start_internal::h0772ca1bc29dd619 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 20: 0x55dc7c75e029 - std::rt::lang_start::h3a059004e67dd15f [INFO] [stderr] at /rustc/78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/src/libstd/rt.rs:64 [INFO] [stderr] 21: 0x55dc7c75dfca - main [INFO] [stderr] 22: 0x7fc8dc6b82e1 - __libc_start_main [INFO] [stderr] 23: 0x55dc7c75d39a - _start [INFO] [stderr] 24: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "e02f16381a3140412bf78c1d5b10c07f5d5d16de1cc5ccb73d6b430c2cc971f4"` [INFO] running `"docker" "rm" "-f" "e02f16381a3140412bf78c1d5b10c07f5d5d16de1cc5ccb73d6b430c2cc971f4"` [INFO] [stdout] e02f16381a3140412bf78c1d5b10c07f5d5d16de1cc5ccb73d6b430c2cc971f4