[INFO] updating cached repository https://github.com/mabruckner/notes_engine [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/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] 5184d85f0697c9553abb8f2ae5db63e6d35d560f [INFO] testing mabruckner/notes_engine against 1.38.0 for beta-1.39-1 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmabruckner%2Fnotes_engine" "work/builds/worker-7/source"` [INFO] [stderr] Cloning into 'work/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mabruckner/notes_engine on toolchain 1.38.0 [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/mabruckner/notes_engine [INFO] finished tweaking git repo https://github.com/mabruckner/notes_engine [INFO] tweaked toml for git repo https://github.com/mabruckner/notes_engine written to work/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/mabruckner/notes_engine already has a lockfile, it will not be regenerated [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/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=warn" "-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" "+1.38.0" "build" "--frozen"` [INFO] [stdout] 433318e849f22b9616d651348c5b5c10f7b44bcb13bc9cbc9146d60bd2fab6c1 [INFO] running `"docker" "start" "-a" "433318e849f22b9616d651348c5b5c10f7b44bcb13bc9cbc9146d60bd2fab6c1"` [INFO] [stderr] Compiling openssl v0.9.11 [INFO] [stderr] Compiling serde v1.0.2 [INFO] [stderr] Compiling unsafe-any v0.4.1 [INFO] [stderr] Compiling openssl-sys v0.9.11 [INFO] [stderr] Compiling backtrace-sys v0.1.10 [INFO] [stderr] Compiling rust-crypto v0.2.36 [INFO] [stderr] Compiling hoedown v6.0.0 [INFO] [stderr] Compiling serde_json v0.8.6 [INFO] [stderr] Compiling hyper v0.10.9 [INFO] [stderr] Compiling idna v0.1.1 [INFO] [stderr] Compiling tempdir v0.3.5 [INFO] [stderr] Compiling aho-corasick v0.6.3 [INFO] [stderr] Compiling num-bigint v0.1.37 [INFO] [stderr] Compiling csv v0.15.0 [INFO] [stderr] Compiling thread_local v0.3.3 [INFO] [stderr] Compiling serde_derive_internals v0.15.0 [INFO] [stderr] Compiling phf_shared v0.7.21 [INFO] [stderr] Compiling typemap v0.3.3 [INFO] [stderr] Compiling regex v0.2.1 [INFO] [stderr] Compiling phf_generator v0.7.21 [INFO] [stderr] Compiling phf v0.7.21 [INFO] [stderr] Compiling plugin v0.2.6 [INFO] [stderr] Compiling phf_codegen v0.7.21 [INFO] [stderr] Compiling num-rational v0.1.36 [INFO] [stderr] Compiling mime_guess v1.8.1 [INFO] [stderr] Compiling serde_derive v1.0.2 [INFO] [stderr] Compiling url v1.4.0 [INFO] [stderr] Compiling num v0.1.37 [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-f625371f84488d0e/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:1084:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55636d5a7f3b - backtrace::backtrace::libunwind::trace::h89fcc71e59e3bc5b [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x55636d5a7f3b - backtrace::backtrace::trace_unsynchronized::h0bad9be1379e729a [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55636d5a7f3b - std::sys_common::backtrace::_print::hd3382a1f33c473da [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x55636d5a7f3b - std::sys_common::backtrace::print::h0ec6f03cfb8e76a6 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x55636d5a7f3b - std::panicking::default_hook::{{closure}}::h96cbf7b454e3f557 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x55636d5a7c16 - std::panicking::default_hook::h95a8f00337383d83 [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x55636d5a85fd - std::panicking::rust_panic_with_hook::h92f98b46e22f14ed [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x55636d5a8182 - std::panicking::continue_panic_fmt::h25abfbb4e5b7043a [INFO] [stderr] at src/libstd/panicking.rs:384 [INFO] [stderr] 8: 0x55636d5a8066 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:311 [INFO] [stderr] 9: 0x55636d5bcd7d - core::panicking::panic_fmt::h7e9f94035af782b3 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 10: 0x55636d5bce77 - core::result::unwrap_failed::hf7591c1dd9412006 [INFO] [stderr] at src/libcore/result.rs:1084 [INFO] [stderr] 11: 0x55636d56ec30 - core::result::Result::unwrap::he5238f90cb60058d [INFO] [stderr] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libcore/result.rs:852 [INFO] [stderr] 12: 0x55636d570cd5 - build_script_gen_mime_types::main::h1571d694f5dc9890 [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] 13: 0x55636d55ba00 - std::rt::lang_start::{{closure}}::h4a4a36f7057fb152 [INFO] [stderr] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/rt.rs:64 [INFO] [stderr] 14: 0x55636d5a8053 - std::rt::lang_start_internal::{{closure}}::h4e93c1949c7a1955 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 15: 0x55636d5a8053 - std::panicking::try::do_call::h9440ccd4dc467eaa [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 16: 0x55636d5a9fba - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:80 [INFO] [stderr] 17: 0x55636d5a8b0d - std::panicking::try::hc046e7ee42ee744f [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 18: 0x55636d5a8b0d - std::panic::catch_unwind::h27dfc457c200aee0 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 19: 0x55636d5a8b0d - std::rt::lang_start_internal::hea1b49a567afe309 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 20: 0x55636d55b9d9 - std::rt::lang_start::h39c5e8a6bf9afd5c [INFO] [stderr] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/rt.rs:64 [INFO] [stderr] 21: 0x55636d57225a - main [INFO] [stderr] 22: 0x7fabc0613b97 - __libc_start_main [INFO] [stderr] 23: 0x55636d54742a - _start [INFO] [stderr] 24: 0x0 - [INFO] [stderr] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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] error: build failed [INFO] running `"docker" "inspect" "433318e849f22b9616d651348c5b5c10f7b44bcb13bc9cbc9146d60bd2fab6c1"` [INFO] running `"docker" "rm" "-f" "433318e849f22b9616d651348c5b5c10f7b44bcb13bc9cbc9146d60bd2fab6c1"` [INFO] [stdout] 433318e849f22b9616d651348c5b5c10f7b44bcb13bc9cbc9146d60bd2fab6c1