[INFO] updating cached repository https://github.com/Cuarto-Online/cuarto-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] 195f300f8ed816864a96db9e9c85d1bbde114a58 [INFO] checking Cuarto-Online/cuarto-server against master#9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7 for pr-64564 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FCuarto-Online%2Fcuarto-server" "work/builds/worker-5/source"` [INFO] [stderr] Cloning into 'work/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Cuarto-Online/cuarto-server on toolchain 9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7-alt [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/Cuarto-Online/cuarto-server [INFO] finished tweaking git repo https://github.com/Cuarto-Online/cuarto-server [INFO] tweaked toml for git repo https://github.com/Cuarto-Online/cuarto-server written to work/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/Cuarto-Online/cuarto-server already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-5/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" "+9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] b7573b4e8fb1b23b8dc54d8e1bf79ec4f44cc8fb3f29a4b70739942faf34b442 [INFO] running `"docker" "start" "-a" "b7573b4e8fb1b23b8dc54d8e1bf79ec4f44cc8fb3f29a4b70739942faf34b442"` [INFO] [stderr] Checking matches v0.1.4 [INFO] [stderr] Checking unicode-normalization v0.1.4 [INFO] [stderr] Compiling libc v0.2.21 [INFO] [stderr] Checking num-traits v0.1.37 [INFO] [stderr] Checking log v0.3.7 [INFO] [stderr] Checking rustc-serialize v0.3.23 [INFO] [stderr] Checking httparse v1.2.1 [INFO] [stderr] Checking lazy_static v0.2.5 [INFO] [stderr] Compiling gcc v0.3.45 [INFO] [stderr] Checking buf_redux v0.3.0 [INFO] [stderr] Checking byteorder v0.3.13 [INFO] [stderr] Checking serde v0.9.11 [INFO] [stderr] Checking scan_fmt v0.1.1 [INFO] [stderr] Checking route-recognizer v0.1.11 [INFO] [stderr] Checking bufstream v0.1.2 [INFO] [stderr] Checking dtoa v0.4.1 [INFO] [stderr] Checking byteorder v0.5.3 [INFO] [stderr] Checking itoa v0.3.1 [INFO] [stderr] Checking separator v0.3.1 [INFO] [stderr] Checking unsafe-any v0.4.1 [INFO] [stderr] Checking time v0.1.36 [INFO] [stderr] Checking rand v0.3.15 [INFO] [stderr] Checking num_cpus v1.3.0 [INFO] [stderr] Checking memchr v0.1.11 [INFO] [stderr] Checking unicode-bidi v0.2.5 [INFO] [stderr] Checking mime v0.2.3 [INFO] [stderr] Checking num-integer v0.1.33 [INFO] [stderr] Checking serde_json v0.8.6 [INFO] [stderr] Compiling unicase v1.4.0 [INFO] [stderr] Compiling hyper v0.10.5 [INFO] [stderr] Checking typemap v0.3.3 [INFO] [stderr] Checking aho-corasick v0.5.3 [INFO] [stderr] Compiling syn v0.11.9 [INFO] [stderr] Checking idna v0.1.0 [INFO] [stderr] Checking num-iter v0.1.33 [INFO] [stderr] Checking tempdir v0.3.5 [INFO] [stderr] Checking plugin v0.2.6 [INFO] [stderr] Checking thread-id v2.0.0 [INFO] [stderr] Compiling rust-crypto v0.2.36 [INFO] [stderr] Checking thread_local v0.2.7 [INFO] [stderr] Checking phf_shared v0.7.21 [INFO] [stderr] Checking regex v0.1.80 [INFO] [stderr] Checking phf v0.7.21 [INFO] [stderr] Checking num-bigint v0.1.37 [INFO] [stderr] Checking conduit-mime-types v0.7.3 [INFO] [stderr] Checking num-complex v0.1.36 [INFO] [stderr] Checking textnonce v0.4.1 [INFO] [stderr] Compiling phf_generator v0.7.21 [INFO] [stderr] Checking url v1.4.0 [INFO] [stderr] Compiling phf_codegen v0.7.21 [INFO] [stderr] Compiling mime_guess v1.8.1 [INFO] [stderr] Checking num-rational v0.1.36 [INFO] [stderr] Compiling serde_codegen_internals v0.14.1 [INFO] [stderr] Checking num v0.1.37 [INFO] [stderr] Checking chrono v0.2.25 [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-1.4.0/src/form_urlencoded.rs:246:40 [INFO] [stderr] | [INFO] [stderr] 244 | impl<'a> Target for ::UrlQuery<'a> { [INFO] [stderr] | -- lifetime `'a` defined here [INFO] [stderr] 245 | fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization } [INFO] [stderr] 246 | 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] Checking semver-parser v0.6.2 [INFO] [stderr] Checking semver v0.5.1 [INFO] [stderr] Compiling serde_derive v0.9.11 [INFO] [stderr] error: failed to run custom build command for `mime_guess v1.8.1` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/mime_guess-b470bff2eb956f13/build-script-gen_mime_types` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', src/libcore/result.rs:1165:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x558f97e3e7c4 - backtrace::backtrace::libunwind::trace::h3c777145747bb537 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x558f97e3e7c4 - backtrace::backtrace::trace_unsynchronized::h66b9e4a5d8dcdac1 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x558f97e3e7c4 - std::sys_common::backtrace::_print_fmt::h67af8761982571ce [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:76 [INFO] [stderr] 3: 0x558f97e3e7c4 - ::fmt::hd2414c318764e035 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:60 [INFO] [stderr] 4: 0x558f97e57d2c - core::fmt::write::h6b1d9e7d0caf83ef [INFO] [stderr] at src/libcore/fmt/mod.rs:1030 [INFO] [stderr] 5: 0x558f97e3cfd7 - std::io::Write::write_fmt::h7d23ef4c2e86d894 [INFO] [stderr] at src/libstd/io/mod.rs:1412 [INFO] [stderr] 6: 0x558f97e40b45 - std::sys_common::backtrace::_print::h95f9ce51820bb860 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:64 [INFO] [stderr] 7: 0x558f97e40b45 - std::sys_common::backtrace::print::h60cdacab02cba05c [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x558f97e40b45 - std::panicking::default_hook::{{closure}}::hd6f0e16d93b9b5c8 [INFO] [stderr] at src/libstd/panicking.rs:196 [INFO] [stderr] 9: 0x558f97e40836 - std::panicking::default_hook::hd45736b469c8d928 [INFO] [stderr] at src/libstd/panicking.rs:210 [INFO] [stderr] 10: 0x558f97e41195 - std::panicking::rust_panic_with_hook::hcc17bc0996b76a4c [INFO] [stderr] at src/libstd/panicking.rs:473 [INFO] [stderr] 11: 0x558f97e40d32 - std::panicking::continue_panic_fmt::hacd60ce981312f06 [INFO] [stderr] at src/libstd/panicking.rs:380 [INFO] [stderr] 12: 0x558f97e40c26 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:307 [INFO] [stderr] 13: 0x558f97e556fa - core::panicking::panic_fmt::h1ebeaa41bf98abea [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 14: 0x558f97e557f7 - core::result::unwrap_failed::h231e9151bc35c4cf [INFO] [stderr] at src/libcore/result.rs:1165 [INFO] [stderr] 15: 0x558f97e07060 - core::result::Result::unwrap::hf0daab7847aa1553 [INFO] [stderr] at /rustc/9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7/src/libcore/result.rs:933 [INFO] [stderr] 16: 0x558f97e08c35 - build_script_gen_mime_types::main::he6fc922fb2db864e [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mime_guess-1.8.1/src/gen_mime_types.rs:22 [INFO] [stderr] 17: 0x558f97e19ba0 - std::rt::lang_start::{{closure}}::h151064ac76c48d3a [INFO] [stderr] at /rustc/9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7/src/libstd/rt.rs:64 [INFO] [stderr] 18: 0x558f97e40c13 - std::rt::lang_start_internal::{{closure}}::h677067c06c8055b2 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 19: 0x558f97e40c13 - std::panicking::try::do_call::h02b31030ec0cae5e [INFO] [stderr] at src/libstd/panicking.rs:292 [INFO] [stderr] 20: 0x558f97e42b2a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:80 [INFO] [stderr] 21: 0x558f97e4168d - std::panicking::try::h3d608dc302373513 [INFO] [stderr] at src/libstd/panicking.rs:271 [INFO] [stderr] 22: 0x558f97e4168d - std::panic::catch_unwind::hbd3bc0654419de57 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 23: 0x558f97e4168d - std::rt::lang_start_internal::hb18b97680fa7fcd0 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 24: 0x558f97e19b79 - std::rt::lang_start::h0a74678d5a383ae8 [INFO] [stderr] at /rustc/9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7/src/libstd/rt.rs:64 [INFO] [stderr] 25: 0x558f97e0a1ba - main [INFO] [stderr] 26: 0x7f4b88e8cb97 - __libc_start_main [INFO] [stderr] 27: 0x558f97ddf51a - _start [INFO] [stderr] 28: 0x0 - [INFO] [stderr] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "b7573b4e8fb1b23b8dc54d8e1bf79ec4f44cc8fb3f29a4b70739942faf34b442"` [INFO] running `"docker" "rm" "-f" "b7573b4e8fb1b23b8dc54d8e1bf79ec4f44cc8fb3f29a4b70739942faf34b442"` [INFO] [stdout] b7573b4e8fb1b23b8dc54d8e1bf79ec4f44cc8fb3f29a4b70739942faf34b442