[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 try#8d67a66581ea5498d7ac03b8f88a478d8ec75cf0 for pr-64564 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevebob%2Ffour-button-roguelike" "work/builds/worker-0/source"` [INFO] [stderr] Cloning into 'work/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/stevebob/four-button-roguelike on toolchain 8d67a66581ea5498d7ac03b8f88a478d8ec75cf0-alt [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+8d67a66581ea5498d7ac03b8f88a478d8ec75cf0-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-0/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" "+8d67a66581ea5498d7ac03b8f88a478d8ec75cf0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-0/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" "+8d67a66581ea5498d7ac03b8f88a478d8ec75cf0-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 73fb00e9582765dd2031ce5ec47a6f396a95e8269ac14c130547691bcf7adebc [INFO] running `"docker" "start" "-a" "73fb00e9582765dd2031ce5ec47a6f396a95e8269ac14c130547691bcf7adebc"` [INFO] [stderr] Compiling num-traits v0.1.41 [INFO] [stderr] Compiling rustc-demangle v0.1.5 [INFO] [stderr] Compiling unidecode v0.2.0 [INFO] [stderr] Compiling pest v0.4.1 [INFO] [stderr] Compiling humansize v1.0.2 [INFO] [stderr] Compiling memchr v2.0.1 [INFO] [stderr] Compiling time v0.1.38 [INFO] [stderr] Compiling itertools v0.7.4 [INFO] [stderr] Compiling idna v0.1.4 [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 num-integer v0.1.35 [INFO] [stderr] Compiling num-complex v0.1.41 [INFO] [stderr] Compiling regex v0.2.3 [INFO] [stderr] Compiling slug v0.1.2 [INFO] [stderr] Compiling backtrace v0.3.4 [INFO] [stderr] Compiling url v1.6.0 [INFO] [stderr] Compiling num-iter v0.1.34 [INFO] [stderr] Checking num-rational v0.1.40 [INFO] [stderr] Compiling error-chain v0.10.0 [INFO] [stderr] Compiling serde_derive v1.0.24 [INFO] [stderr] Checking num v0.1.41 [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 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/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-ca1d3b466f6afe6c/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-1098d3977fd37722/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: 0x564912eb9234 - backtrace::backtrace::libunwind::trace::hbae50f2b991d86ef [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x564912eb9234 - backtrace::backtrace::trace_unsynchronized::h19bc23b015d2838f [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x564912eb9234 - std::sys_common::backtrace::_print_fmt::he8cbf667081e4bf8 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:76 [INFO] [stderr] 3: 0x564912eb9234 - ::fmt::ha849c2c1bcf100e7 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:60 [INFO] [stderr] 4: 0x564912ed950c - core::fmt::write::h603a714bd37b8e5c [INFO] [stderr] at src/libcore/fmt/mod.rs:1030 [INFO] [stderr] 5: 0x564912eb7777 - std::io::Write::write_fmt::hb319166cf1de5561 [INFO] [stderr] at src/libstd/io/mod.rs:1412 [INFO] [stderr] 6: 0x564912ebb5e5 - std::sys_common::backtrace::_print::hda0c59cff136ee92 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:64 [INFO] [stderr] 7: 0x564912ebb5e5 - std::sys_common::backtrace::print::hea7aeb95cf61b134 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x564912ebb5e5 - std::panicking::default_hook::{{closure}}::h4b10254e454f4b2c [INFO] [stderr] at src/libstd/panicking.rs:196 [INFO] [stderr] 9: 0x564912ebb2d6 - std::panicking::default_hook::h6427597d12d4cbca [INFO] [stderr] at src/libstd/panicking.rs:210 [INFO] [stderr] 10: 0x564912ebbc85 - std::panicking::rust_panic_with_hook::hccceacbc62eab668 [INFO] [stderr] at src/libstd/panicking.rs:473 [INFO] [stderr] 11: 0x564912ebb822 - std::panicking::continue_panic_fmt::h8ea4922e4ade12b5 [INFO] [stderr] at src/libstd/panicking.rs:380 [INFO] [stderr] 12: 0x564912ebb716 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:307 [INFO] [stderr] 13: 0x564912ed5cfa - core::panicking::panic_fmt::h2cd22cf274c37798 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 14: 0x564912ed5df7 - core::result::unwrap_failed::h741ddd07f41ecb26 [INFO] [stderr] at src/libcore/result.rs:1165 [INFO] [stderr] 15: 0x564912a4dd63 - core::result::Result::unwrap::h765404b63a3c2757 [INFO] [stderr] at /rustc/8d67a66581ea5498d7ac03b8f88a478d8ec75cf0/src/libcore/result.rs:933 [INFO] [stderr] 16: 0x564912a4dbb1 - build_script_build::main::hd65c40cd701003d7 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:4 [INFO] [stderr] 17: 0x564912a4dc60 - std::rt::lang_start::{{closure}}::h193838833c9ec565 [INFO] [stderr] at /rustc/8d67a66581ea5498d7ac03b8f88a478d8ec75cf0/src/libstd/rt.rs:64 [INFO] [stderr] 18: 0x564912ebb6b3 - std::rt::lang_start_internal::{{closure}}::h5f591d8741fb1e64 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 19: 0x564912ebb6b3 - std::panicking::try::do_call::hc3ebe742ad7d149e [INFO] [stderr] at src/libstd/panicking.rs:292 [INFO] [stderr] 20: 0x564912ebda7a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:80 [INFO] [stderr] 21: 0x564912ebc17d - std::panicking::try::hc94f3a47ff9c6438 [INFO] [stderr] at src/libstd/panicking.rs:271 [INFO] [stderr] 22: 0x564912ebc17d - std::panic::catch_unwind::h702acac46b107571 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 23: 0x564912ebc17d - std::rt::lang_start_internal::h011095b45ca4068d [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 24: 0x564912a4dc39 - std::rt::lang_start::h240af447d48955e5 [INFO] [stderr] at /rustc/8d67a66581ea5498d7ac03b8f88a478d8ec75cf0/src/libstd/rt.rs:64 [INFO] [stderr] 25: 0x564912a4dbea - main [INFO] [stderr] 26: 0x7f645e8d6b97 - __libc_start_main [INFO] [stderr] 27: 0x564912a4cf7a - _start [INFO] [stderr] 28: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "73fb00e9582765dd2031ce5ec47a6f396a95e8269ac14c130547691bcf7adebc"` [INFO] running `"docker" "rm" "-f" "73fb00e9582765dd2031ce5ec47a6f396a95e8269ac14c130547691bcf7adebc"` [INFO] [stdout] 73fb00e9582765dd2031ce5ec47a6f396a95e8269ac14c130547691bcf7adebc