[INFO] updating cached repository Navrin/quote_bot [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/Navrin/quote_bot [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/Navrin/quote_bot" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/Navrin/quote_bot"` [INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/Navrin/quote_bot'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/Navrin/quote_bot" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/Navrin/quote_bot"` [INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/Navrin/quote_bot'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] c4bf1113b20a8b5267f8e1490bd4ef1c5b373e0f [INFO] sha for GitHub repo Navrin/quote_bot: c4bf1113b20a8b5267f8e1490bd4ef1c5b373e0f [INFO] validating manifest of Navrin/quote_bot on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of Navrin/quote_bot on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing Navrin/quote_bot [INFO] finished frobbing Navrin/quote_bot [INFO] frobbed toml for Navrin/quote_bot written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/Navrin/quote_bot/Cargo.toml [INFO] started frobbing Navrin/quote_bot [INFO] finished frobbing Navrin/quote_bot [INFO] frobbed toml for Navrin/quote_bot written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/Navrin/quote_bot/Cargo.toml [INFO] crate Navrin/quote_bot already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] checking Navrin/quote_bot against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-4/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/Navrin/quote_bot:/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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 80b065975c86f31fcdf36cbbf93e89fb1324b1d49ca76dfcf44f75e8d72e9a96 [INFO] running `"docker" "start" "-a" "80b065975c86f31fcdf36cbbf93e89fb1324b1d49ca76dfcf44f75e8d72e9a96"` [INFO] [stderr] Compiling version_check v0.1.3 [INFO] [stderr] Compiling libc v0.2.32 [INFO] [stderr] Compiling siphasher v0.2.2 [INFO] [stderr] Compiling cc v1.0.0 [INFO] [stderr] Compiling pkg-config v0.3.9 [INFO] [stderr] Checking matches v0.1.6 [INFO] [stderr] Compiling pq-sys v0.4.4 [INFO] [stderr] Compiling openssl v0.9.19 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Checking unicode-normalization v0.1.5 [INFO] [stderr] Checking num-traits v0.1.40 [INFO] [stderr] Checking foreign-types v0.2.0 [INFO] [stderr] Checking bitflags v0.9.1 [INFO] [stderr] Checking lazy_static v0.2.9 [INFO] [stderr] Compiling cfg-if v0.1.2 [INFO] [stderr] Compiling rustc-demangle v0.1.5 [INFO] [stderr] Checking safemem v0.2.0 [INFO] [stderr] Checking percent-encoding v1.0.0 [INFO] [stderr] Checking byteorder v1.1.0 [INFO] [stderr] Checking log v0.3.8 [INFO] [stderr] Checking antidote v1.0.0 [INFO] [stderr] Compiling regex-syntax v0.4.1 [INFO] [stderr] Checking traitobject v0.1.0 [INFO] [stderr] Checking stable_deref_trait v1.0.0 [INFO] [stderr] Checking language-tags v0.2.2 [INFO] [stderr] Checking httparse v1.2.3 [INFO] [stderr] Checking typeable v0.1.2 [INFO] [stderr] Checking smallvec v0.4.4 [INFO] [stderr] Compiling utf8-ranges v1.0.0 [INFO] [stderr] Checking dtoa v0.4.2 [INFO] [stderr] Checking itoa v0.3.4 [INFO] [stderr] Checking sha1 v0.2.0 [INFO] [stderr] Checking serde v1.0.15 [INFO] [stderr] Checking vec_shift v0.1.0 [INFO] [stderr] Checking bitflags v1.0.0 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Compiling unreachable v1.0.0 [INFO] [stderr] Compiling rand v0.3.17 [INFO] [stderr] Compiling memchr v1.0.1 [INFO] [stderr] Checking num_cpus v1.7.0 [INFO] [stderr] Checking time v0.1.38 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Checking num-integer v0.1.35 [INFO] [stderr] Checking mime v0.2.6 [INFO] [stderr] Checking base64 v0.6.0 [INFO] [stderr] Checking scheduled-thread-pool v0.1.0 [INFO] [stderr] Checking unsafe-any v0.4.2 [INFO] [stderr] Checking owning_ref v0.3.3 [INFO] [stderr] Compiling thread_local v0.3.4 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling aho-corasick v0.6.3 [INFO] [stderr] Checking idna v0.1.4 [INFO] [stderr] Compiling backtrace-sys v0.1.14 [INFO] [stderr] Compiling openssl-sys v0.9.19 [INFO] [stderr] Compiling miniz-sys v0.1.10 [INFO] [stderr] Checking num-iter v0.1.34 [INFO] [stderr] Checking r2d2 v0.7.4 [INFO] [stderr] Checking typemap v0.3.3 [INFO] [stderr] Checking parking_lot_core v0.2.6 [INFO] [stderr] Checking tempdir v0.3.5 [INFO] [stderr] Checking uuid v0.5.1 [INFO] [stderr] Compiling diesel v0.16.0 [INFO] [stderr] Compiling regex v0.2.2 [INFO] [stderr] Checking num v0.1.40 [INFO] [stderr] Checking parking_lot v0.4.8 [INFO] [stderr] Checking url v1.5.1 [INFO] [stderr] Compiling phf_shared v0.7.21 [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-1.5.1/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 serde_derive_internals v0.16.0 [INFO] [stderr] Compiling phf_generator v0.7.21 [INFO] [stderr] Checking phf v0.7.21 [INFO] [stderr] Checking hyper v0.10.13 [INFO] [stderr] Checking flate2 v0.2.20 [INFO] [stderr] Compiling phf_codegen v0.7.21 [INFO] [stderr] Checking chrono v0.4.0 [INFO] [stderr] Checking serde_json v1.0.3 [INFO] [stderr] Checking toml v0.4.5 [INFO] [stderr] Compiling mime_guess v1.8.2 [INFO] [stderr] Checking r2d2-diesel v0.16.0 [INFO] [stderr] Compiling backtrace v0.3.3 [INFO] [stderr] Compiling diesel_infer_schema v0.16.0 [INFO] [stderr] Compiling error-chain v0.10.0 [INFO] [stderr] Compiling derive-error-chain v0.10.1 [INFO] [stderr] Compiling serde_derive v1.0.15 [INFO] [stderr] error: failed to run custom build command for `mime_guess v1.8.2` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/mime_guess-848fe3bafc1dbc3c/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: 0x562f4969a3cb - backtrace::backtrace::libunwind::trace::h5d27dcba3b250cfe [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x562f4969a3cb - backtrace::backtrace::trace_unsynchronized::h239341a8b1cadbab [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x562f4969a3cb - std::sys_common::backtrace::_print::hb0e5dd39180a1838 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x562f4969a3cb - std::sys_common::backtrace::print::h9b385b2285f057b8 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x562f4969a3cb - std::panicking::default_hook::{{closure}}::he3310a15a78966b4 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x562f4969a0a6 - std::panicking::default_hook::h2986f418df62eff4 [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x562f4969aa8d - std::panicking::rust_panic_with_hook::h15065386631d2a9d [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x562f4969a612 - std::panicking::continue_panic_fmt::h5e7761875fda3864 [INFO] [stderr] at src/libstd/panicking.rs:384 [INFO] [stderr] 8: 0x562f4969a4f6 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:311 [INFO] [stderr] 9: 0x562f496af22d - core::panicking::panic_fmt::ha57541b4d360b196 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 10: 0x562f496af327 - core::result::unwrap_failed::h30a7262287ea7c1e [INFO] [stderr] at src/libcore/result.rs:1084 [INFO] [stderr] 11: 0x562f49660a20 - core::result::Result::unwrap::h4f200ddd8cf9e25c [INFO] [stderr] at /rustc/452087b4bf18cece2d52d7cd8c9147195e5404bf/src/libcore/result.rs:852 [INFO] [stderr] 12: 0x562f496625b5 - build_script_gen_mime_types::main::hcb1df4040aa45d38 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/mime_guess-1.8.2/src/gen_mime_types.rs:22 [INFO] [stderr] 13: 0x562f4964d580 - std::rt::lang_start::{{closure}}::h7439810b409a5934 [INFO] [stderr] at /rustc/452087b4bf18cece2d52d7cd8c9147195e5404bf/src/libstd/rt.rs:64 [INFO] [stderr] 14: 0x562f4969a4e3 - std::rt::lang_start_internal::{{closure}}::hbf4603a1e6e1424d [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 15: 0x562f4969a4e3 - std::panicking::try::do_call::h7642e0de797eeae0 [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 16: 0x562f4969c5da - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:80 [INFO] [stderr] 17: 0x562f4969af9d - std::panicking::try::h17f145530f8b5a3f [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 18: 0x562f4969af9d - std::panic::catch_unwind::hcee1b9b07ea0f9dc [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 19: 0x562f4969af9d - std::rt::lang_start_internal::h82d44298f58b2cfd [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 20: 0x562f4964d559 - std::rt::lang_start::hd679c920f46b3d74 [INFO] [stderr] at /rustc/452087b4bf18cece2d52d7cd8c9147195e5404bf/src/libstd/rt.rs:64 [INFO] [stderr] 21: 0x562f49663b3a - main [INFO] [stderr] 22: 0x7f9c991c52e1 - __libc_start_main [INFO] [stderr] 23: 0x562f49638f8a - _start [INFO] [stderr] 24: 0x0 - [INFO] [stderr] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "80b065975c86f31fcdf36cbbf93e89fb1324b1d49ca76dfcf44f75e8d72e9a96"` [INFO] running `"docker" "rm" "-f" "80b065975c86f31fcdf36cbbf93e89fb1324b1d49ca76dfcf44f75e8d72e9a96"` [INFO] [stdout] 80b065975c86f31fcdf36cbbf93e89fb1324b1d49ca76dfcf44f75e8d72e9a96