[INFO] updating cached repository https://github.com/SnapLock/facelock-backend [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] 69fd48ba8ee086a7b83be0d1444c3faf76ac4dba [INFO] checking SnapLock/facelock-backend against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FSnapLock%2Ffacelock-backend" "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/SnapLock/facelock-backend on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/SnapLock/facelock-backend [INFO] finished tweaking git repo https://github.com/SnapLock/facelock-backend [INFO] tweaked toml for git repo https://github.com/SnapLock/facelock-backend written to work/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/SnapLock/facelock-backend already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-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" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] cbb9acb868804020d52543bc7d6fb6ff6d420e0f93eaa4722f0549bdd03152f0 [INFO] running `"docker" "start" "-a" "cbb9acb868804020d52543bc7d6fb6ff6d420e0f93eaa4722f0549bdd03152f0"` [INFO] [stderr] Compiling version_check v0.1.2 [INFO] [stderr] Compiling libc v0.2.24 [INFO] [stderr] Checking num-traits v0.1.39 [INFO] [stderr] Compiling matches v0.1.6 [INFO] [stderr] Checking unicode-normalization v0.1.5 [INFO] [stderr] Checking encoding_index_tests v0.1.4 [INFO] [stderr] Compiling byteorder v1.0.0 [INFO] [stderr] Compiling log v0.3.8 [INFO] [stderr] Compiling ansi_term v0.9.0 [INFO] [stderr] Checking percent-encoding v1.0.0 [INFO] [stderr] Checking siphasher v0.2.2 [INFO] [stderr] Checking httparse v1.2.3 [INFO] [stderr] Compiling term v0.4.6 [INFO] [stderr] Checking chunked_transfer v0.3.1 [INFO] [stderr] Compiling toml v0.2.1 [INFO] [stderr] Compiling state v0.2.2 [INFO] [stderr] Checking ascii v0.7.1 [INFO] [stderr] Checking modifier v0.1.0 [INFO] [stderr] Checking safemem v0.1.1 [INFO] [stderr] Checking safemem v0.2.0 [INFO] [stderr] Checking unsafe-any v0.4.2 [INFO] [stderr] Compiling unicode-bidi v0.3.3 [INFO] [stderr] Checking base64 v0.5.2 [INFO] [stderr] Checking encoding-index-korean v1.20141219.5 [INFO] [stderr] Checking encoding-index-tradchinese v1.20141219.5 [INFO] [stderr] Checking encoding-index-singlebyte v1.20141219.5 [INFO] [stderr] Checking encoding-index-simpchinese v1.20141219.5 [INFO] [stderr] Checking encoding-index-japanese v1.20141219.5 [INFO] [stderr] Checking conduit-mime-types v0.7.3 [INFO] [stderr] Compiling mime v0.2.6 [INFO] [stderr] Compiling rand v0.3.15 [INFO] [stderr] Compiling num_cpus v1.6.2 [INFO] [stderr] Compiling time v0.1.37 [INFO] [stderr] Compiling memchr v1.0.1 [INFO] [stderr] Checking memchr v0.1.11 [INFO] [stderr] Checking num-integer v0.1.34 [INFO] [stderr] Checking error v0.1.9 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Compiling rocket v0.2.8 [INFO] [stderr] Compiling rocket_codegen v0.2.8 [INFO] [stderr] Checking term-painter v0.2.3 [INFO] [stderr] Checking typemap v0.3.3 [INFO] [stderr] Checking idna v0.1.2 [INFO] [stderr] Checking encoding v0.2.33 [INFO] [stderr] Checking buf_redux v0.6.1 [INFO] [stderr] Checking twoway v0.1.3 [INFO] [stderr] Checking num-iter v0.1.33 [INFO] [stderr] Checking uuid v0.1.18 [INFO] [stderr] Checking tempdir v0.3.5 [INFO] [stderr] Checking plugin v0.2.6 [INFO] [stderr] Checking num v0.1.39 [INFO] [stderr] Checking url v0.2.38 [INFO] [stderr] Checking chrono v0.2.25 [INFO] [stderr] Compiling phf_shared v0.7.21 [INFO] [stderr] Checking phf v0.7.21 [INFO] [stderr] Compiling phf_generator v0.7.21 [INFO] [stderr] Compiling phf_codegen v0.7.21 [INFO] [stderr] Compiling mime_guess v1.8.1 [INFO] [stderr] Checking url v1.5.1 [INFO] [stderr] Checking tiny_http v0.5.8 [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-1.5.1/src/form_urlencoded.rs:251:40 [INFO] [stderr] | [INFO] [stderr] 249 | impl<'a> Target for ::UrlQuery<'a> { [INFO] [stderr] | -- lifetime `'a` defined here [INFO] [stderr] 250 | fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization } [INFO] [stderr] 251 | 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 cookie v0.6.2 [INFO] [stderr] Compiling hyper v0.10.12 [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-1.5.1/src/form_urlencoded.rs:251:40 [INFO] [stderr] | [INFO] [stderr] 249 | impl<'a> Target for ::UrlQuery<'a> { [INFO] [stderr] | -- lifetime `'a` defined here [INFO] [stderr] 250 | fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization } [INFO] [stderr] 251 | 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] 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-fbc496e3b0157694/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: 0x56512c37d244 - backtrace::backtrace::libunwind::trace::h780d9312b947e32f [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x56512c37d244 - backtrace::backtrace::trace_unsynchronized::h50fdb9faa9a37c56 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x56512c37d244 - std::sys_common::backtrace::_print_fmt::h5fd3d374bdc4a419 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:77 [INFO] [stderr] 3: 0x56512c37d244 - ::fmt::hea77cdef8cfcc21d [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:61 [INFO] [stderr] 4: 0x56512c3967ac - core::fmt::write::h4af900d733d7a583 [INFO] [stderr] at src/libcore/fmt/mod.rs:1030 [INFO] [stderr] 5: 0x56512c37ba57 - std::io::Write::write_fmt::h7ad411185b661d1b [INFO] [stderr] at src/libstd/io/mod.rs:1412 [INFO] [stderr] 6: 0x56512c37f5c5 - std::sys_common::backtrace::_print::h7743f537860b7fc2 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:65 [INFO] [stderr] 7: 0x56512c37f5c5 - std::sys_common::backtrace::print::h539b95bb1c3082e1 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:50 [INFO] [stderr] 8: 0x56512c37f5c5 - std::panicking::default_hook::{{closure}}::hc6479c8b41ede440 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 9: 0x56512c37f2b6 - std::panicking::default_hook::hd581ebc9f02a25e1 [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 10: 0x56512c37fc15 - std::panicking::rust_panic_with_hook::h3ef8c012e2c61ebc [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 11: 0x56512c37f7b2 - std::panicking::continue_panic_fmt::he01939da6a6344bb [INFO] [stderr] at src/libstd/panicking.rs:384 [INFO] [stderr] 12: 0x56512c37f6a6 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:311 [INFO] [stderr] 13: 0x56512c39417a - core::panicking::panic_fmt::h1903c7d3685c01f5 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 14: 0x56512c394277 - core::result::unwrap_failed::h4bf711114442af64 [INFO] [stderr] at src/libcore/result.rs:1165 [INFO] [stderr] 15: 0x56512c344d00 - core::result::Result::unwrap::h01baf1a0dd529b51 [INFO] [stderr] at /rustc/e689e5eaefe96e6dc3ed5bb629c521b7d207aff7/src/libcore/result.rs:933 [INFO] [stderr] 16: 0x56512c346a15 - build_script_gen_mime_types::main::h8db6859f26be24f9 [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: 0x56512c357de0 - std::rt::lang_start::{{closure}}::h052e878459eeae23 [INFO] [stderr] at /rustc/e689e5eaefe96e6dc3ed5bb629c521b7d207aff7/src/libstd/rt.rs:64 [INFO] [stderr] 18: 0x56512c37f693 - std::rt::lang_start_internal::{{closure}}::h89bcd519c19d1c00 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 19: 0x56512c37f693 - std::panicking::try::do_call::h9c0ecf24353b2f6f [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 20: 0x56512c3815aa - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:80 [INFO] [stderr] 21: 0x56512c38010d - std::panicking::try::h2cce617c236f51a9 [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 22: 0x56512c38010d - std::panic::catch_unwind::heee61165154957e1 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 23: 0x56512c38010d - std::rt::lang_start_internal::h84ae79bb2f097b77 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 24: 0x56512c357db9 - std::rt::lang_start::he54f85db539708f1 [INFO] [stderr] at /rustc/e689e5eaefe96e6dc3ed5bb629c521b7d207aff7/src/libstd/rt.rs:64 [INFO] [stderr] 25: 0x56512c347f9a - main [INFO] [stderr] 26: 0x7f7549a282e1 - __libc_start_main [INFO] [stderr] 27: 0x56512c31d19a - _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" "cbb9acb868804020d52543bc7d6fb6ff6d420e0f93eaa4722f0549bdd03152f0"` [INFO] running `"docker" "rm" "-f" "cbb9acb868804020d52543bc7d6fb6ff6d420e0f93eaa4722f0549bdd03152f0"` [INFO] [stdout] cbb9acb868804020d52543bc7d6fb6ff6d420e0f93eaa4722f0549bdd03152f0