[INFO] updating cached repository BrainBlasted/qwntr [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/BrainBlasted/qwntr [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/BrainBlasted/qwntr" "work/ex/beta-1.37-6/sources/1.36.0/gh/BrainBlasted/qwntr"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/BrainBlasted/qwntr'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/BrainBlasted/qwntr" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/BrainBlasted/qwntr"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/BrainBlasted/qwntr'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] d2c20de43db14d405b67f6a04bb14d4b9777e5ea [INFO] sha for GitHub repo BrainBlasted/qwntr: d2c20de43db14d405b67f6a04bb14d4b9777e5ea [INFO] validating manifest of BrainBlasted/qwntr on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of BrainBlasted/qwntr on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing BrainBlasted/qwntr [INFO] finished frobbing BrainBlasted/qwntr [INFO] frobbed toml for BrainBlasted/qwntr written to work/ex/beta-1.37-6/sources/1.36.0/gh/BrainBlasted/qwntr/Cargo.toml [INFO] started frobbing BrainBlasted/qwntr [INFO] finished frobbing BrainBlasted/qwntr [INFO] frobbed toml for BrainBlasted/qwntr written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/BrainBlasted/qwntr/Cargo.toml [INFO] crate BrainBlasted/qwntr already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing BrainBlasted/qwntr against beta-2019-07-23 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/BrainBlasted/qwntr:/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=warn" "-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" "+beta-2019-07-23" "build" "--frozen"` [INFO] [stdout] a64d2ae277a5012398224f3ada1705556a48f734436f4f38448d29740757491e [INFO] running `"docker" "start" "-a" "a64d2ae277a5012398224f3ada1705556a48f734436f4f38448d29740757491e"` [INFO] [stderr] Compiling num-traits v0.1.41 [INFO] [stderr] Compiling bytecount v0.1.7 [INFO] [stderr] Compiling locate-locale v0.1.0 [INFO] [stderr] Compiling webbrowser v0.2.2 [INFO] [stderr] Compiling openssl-sys v0.9.23 [INFO] [stderr] Compiling rand v0.3.20 [INFO] [stderr] Compiling num_cpus v1.8.0 [INFO] [stderr] Compiling time v0.1.39 [INFO] [stderr] Compiling memchr v2.0.1 [INFO] [stderr] Compiling termion v1.5.1 [INFO] [stderr] Compiling relay v0.1.0 [INFO] [stderr] Compiling bytes v0.4.6 [INFO] [stderr] Compiling aho-corasick v0.6.4 [INFO] [stderr] Compiling futures-cpupool v0.1.8 [INFO] [stderr] Compiling mio v0.6.12 [INFO] [stderr] Compiling serde_json v1.0.9 [INFO] [stderr] Compiling serde_derive_internals v0.19.0 [INFO] [stderr] Compiling regex v0.2.5 [INFO] [stderr] Compiling liner v0.4.4 [INFO] [stderr] Compiling phf_generator v0.7.21 [INFO] [stderr] Compiling uuid v0.5.1 [INFO] [stderr] Compiling tokio-io v0.1.4 [INFO] [stderr] Compiling openssl v0.9.23 [INFO] [stderr] Compiling phf_codegen v0.7.21 [INFO] [stderr] Compiling mime_guess v2.0.0-alpha.3 [INFO] [stderr] warning[E0503]: cannot use `self.key_bindings` because it was mutably borrowed [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/liner-0.4.4/src/context.rs:98:17 [INFO] [stderr] | [INFO] [stderr] 96 | let ed = try!(Editor::new_with_init_buffer(stdout, prompt, self, buffer)); [INFO] [stderr] | ---- borrow of `*self` occurs here [INFO] [stderr] 97 | match self.key_bindings { [INFO] [stderr] 98 | KeyBindings::Emacs => Self::handle_keys(keymap::Emacs::new(ed), handler), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ use of borrowed `*self` [INFO] [stderr] 99 | KeyBindings::Vi => Self::handle_keys(keymap::Vi::new(ed), handler), [INFO] [stderr] | -- borrow later used here [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 tokio-core v0.1.12 [INFO] [stderr] Compiling serde_derive v1.0.27 [INFO] [stderr] error: failed to run custom build command for `mime_guess v2.0.0-alpha.3` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/mime_guess-b888671b4792955b/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:999:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5609348d939b - backtrace::backtrace::libunwind::trace::h5dfa5d4c5feed6dc [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x5609348d939b - backtrace::backtrace::trace_unsynchronized::hb731fe64f3fa469f [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x5609348d939b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x5609348d939b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x5609348d939b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x5609348d9077 - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x5609348d9a60 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x5609348d95e2 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stderr] at src/libstd/panicking.rs:384 [INFO] [stderr] 8: 0x5609348d94c6 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:311 [INFO] [stderr] 9: 0x5609348ee07d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 10: 0x5609348cbd68 - core::result::unwrap_failed::hbafb4de64ddfc923 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stderr] 11: 0x56093489959c - core::result::Result::unwrap::hfc77c5c1e48055dc [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stderr] 12: 0x56093489c6b5 - build_script_gen_mime_types::main::h0345016a7d58a5c5 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/mime_guess-2.0.0-alpha.3/src/gen_mime_types.rs:22 [INFO] [stderr] 13: 0x5609348c2e90 - std::rt::lang_start::{{closure}}::h236629f0242ec8c5 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/rt.rs:64 [INFO] [stderr] 14: 0x5609348d94b3 - std::rt::lang_start_internal::{{closure}}::h055e1fdc5578d418 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 15: 0x5609348d94b3 - std::panicking::try::do_call::h480cafa68c9928b4 [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 16: 0x5609348db25a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:82 [INFO] [stderr] 17: 0x5609348d9f6d - std::panicking::try::he0549d0299de204a [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 18: 0x5609348d9f6d - std::panic::catch_unwind::h422dc2db98f03517 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 19: 0x5609348d9f6d - std::rt::lang_start_internal::h121de03325a3f900 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 20: 0x5609348c2e69 - std::rt::lang_start::h585548cb3f82dfb8 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/rt.rs:64 [INFO] [stderr] 21: 0x56093489dcea - main [INFO] [stderr] 22: 0x7f30b92c62e1 - __libc_start_main [INFO] [stderr] 23: 0x5609348780ea - _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" "a64d2ae277a5012398224f3ada1705556a48f734436f4f38448d29740757491e"` [INFO] running `"docker" "rm" "-f" "a64d2ae277a5012398224f3ada1705556a48f734436f4f38448d29740757491e"` [INFO] [stdout] a64d2ae277a5012398224f3ada1705556a48f734436f4f38448d29740757491e