[INFO] updating cached repository rascul/pastebucket [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/rascul/pastebucket [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/rascul/pastebucket" "work/ex/beta-1.37-6/sources/1.36.0/gh/rascul/pastebucket"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/rascul/pastebucket'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/rascul/pastebucket" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/rascul/pastebucket"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/rascul/pastebucket'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 8cc0a0c16af8cbe9392339176acc1676ef9e9e77 [INFO] sha for GitHub repo rascul/pastebucket: 8cc0a0c16af8cbe9392339176acc1676ef9e9e77 [INFO] validating manifest of rascul/pastebucket 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 rascul/pastebucket 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 rascul/pastebucket [INFO] finished frobbing rascul/pastebucket [INFO] frobbed toml for rascul/pastebucket written to work/ex/beta-1.37-6/sources/1.36.0/gh/rascul/pastebucket/Cargo.toml [INFO] started frobbing rascul/pastebucket [INFO] finished frobbing rascul/pastebucket [INFO] frobbed toml for rascul/pastebucket written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/rascul/pastebucket/Cargo.toml [INFO] crate rascul/pastebucket 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] [stderr] Blocking waiting for file lock on package cache [INFO] testing rascul/pastebucket against 1.36.0 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/rascul/pastebucket:/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" "+1.36.0" "build" "--frozen"` [INFO] [stdout] 6e99c2c7362e317fed00b1d4d0d23b4a80a30703e7deb551831187f80110bc6e [INFO] running `"docker" "start" "-a" "6e99c2c7362e317fed00b1d4d0d23b4a80a30703e7deb551831187f80110bc6e"` [INFO] [stderr] Compiling semver v0.1.20 [INFO] [stderr] Compiling matches v0.1.4 [INFO] [stderr] Compiling unicode-normalization v0.1.4 [INFO] [stderr] Compiling siphasher v0.2.1 [INFO] [stderr] Compiling libc v0.2.21 [INFO] [stderr] Compiling log v0.3.7 [INFO] [stderr] Compiling rustc-serialize v0.3.22 [INFO] [stderr] Compiling httparse v1.2.1 [INFO] [stderr] Compiling lazy_static v0.2.4 [INFO] [stderr] Compiling num-traits v0.1.37 [INFO] [stderr] Compiling modifier v0.1.0 [INFO] [stderr] Compiling serde v0.8.23 [INFO] [stderr] Compiling dtoa v0.2.2 [INFO] [stderr] Compiling itoa v0.1.1 [INFO] [stderr] Compiling serde v0.9.11 [INFO] [stderr] Compiling dtoa v0.4.1 [INFO] [stderr] Compiling regex-syntax v0.4.0 [INFO] [stderr] Compiling itoa v0.3.1 [INFO] [stderr] Compiling same-file v0.1.3 [INFO] [stderr] Compiling buf_redux v0.3.0 [INFO] [stderr] Compiling sequence_trie v0.2.1 [INFO] [stderr] Compiling quick-error v1.1.0 [INFO] [stderr] Compiling pest v0.3.3 [INFO] [stderr] Compiling route-recognizer v0.1.11 [INFO] [stderr] Compiling unsafe-any v0.4.1 [INFO] [stderr] Compiling error v0.1.9 [INFO] [stderr] Compiling unicode-bidi v0.2.5 [INFO] [stderr] Compiling unreachable v0.1.1 [INFO] [stderr] Compiling mime v0.2.2 [INFO] [stderr] Compiling rand v0.3.15 [INFO] [stderr] Compiling time v0.1.36 [INFO] [stderr] Compiling num_cpus v1.3.0 [INFO] [stderr] Compiling thread-id v3.0.0 [INFO] [stderr] Compiling memchr v1.0.1 [INFO] [stderr] Compiling memchr v0.1.11 [INFO] [stderr] Compiling rustc_version v0.1.7 [INFO] [stderr] Compiling num-integer v0.1.33 [INFO] [stderr] Compiling walkdir v1.0.7 [INFO] [stderr] Compiling typemap v0.3.3 [INFO] [stderr] Compiling syn v0.11.9 [INFO] [stderr] Compiling idna v0.1.0 [INFO] [stderr] Compiling thread_local v0.3.3 [INFO] [stderr] Compiling aho-corasick v0.6.2 [INFO] [stderr] Compiling tempdir v0.3.5 [INFO] [stderr] Compiling num-iter v0.1.33 [INFO] [stderr] Compiling plugin v0.2.6 [INFO] [stderr] Compiling unicase v1.4.0 [INFO] [stderr] Compiling hyper v0.10.5 [INFO] [stderr] Compiling regex v0.2.1 [INFO] [stderr] Compiling phf_shared v0.7.21 [INFO] [stderr] Compiling url v1.4.0 [INFO] [stderr] Compiling phf_generator v0.7.21 [INFO] [stderr] Compiling phf v0.7.21 [INFO] [stderr] Compiling phf_codegen v0.7.21 [INFO] [stderr] Compiling serde_json v0.8.6 [INFO] [stderr] Compiling conduit-mime-types v0.7.3 [INFO] [stderr] Compiling num-bigint v0.1.37 [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-1.4.0/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] [INFO] [stderr] Compiling num-complex v0.1.36 [INFO] [stderr] Compiling mime_guess v1.8.1 [INFO] [stderr] Compiling serde_codegen_internals v0.14.1 [INFO] [stderr] Compiling num-rational v0.1.36 [INFO] [stderr] Compiling num v0.1.37 [INFO] [stderr] Compiling chrono v0.3.0 [INFO] [stderr] Compiling serde_derive v0.9.11 [INFO] [stderr] Compiling serde_json v0.9.9 [INFO] [stderr] Compiling toml v0.3.1 [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/crater/target/debug/build/mime_guess-67916628a41ef6e7/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: 0x55e35072c323 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55 [INFO] [stderr] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39 [INFO] [stderr] 1: 0x55e350727f3b - std::sys_common::backtrace::_print::h49a82ae9552e35c7 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:71 [INFO] [stderr] 2: 0x55e35072b196 - std::panicking::default_hook::{{closure}}::he20974adbefcc046 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] at src/libstd/panicking.rs:197 [INFO] [stderr] 3: 0x55e35072af29 - std::panicking::default_hook::he4af6af4ac7fef7b [INFO] [stderr] at src/libstd/panicking.rs:211 [INFO] [stderr] 4: 0x55e35072b7ef - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f [INFO] [stderr] at src/libstd/panicking.rs:474 [INFO] [stderr] 5: 0x55e35072b371 - std::panicking::continue_panic_fmt::ha6d6ae144369025b [INFO] [stderr] at src/libstd/panicking.rs:381 [INFO] [stderr] 6: 0x55e35072b255 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:308 [INFO] [stderr] 7: 0x55e35073c0cc - core::panicking::panic_fmt::hc4f83bfed80aeabd [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 8: 0x55e35071af57 - core::result::unwrap_failed::h1d1e5a2436c4d060 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/macros.rs:18 [INFO] [stderr] 9: 0x55e3506ea0aa - core::result::Result::unwrap::h6308ee2b173deaa5 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/result.rs:800 [INFO] [stderr] 10: 0x55e3506f51c4 - build_script_gen_mime_types::main::h1b9d11e861d3e0ad [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/mime_guess-1.8.1/src/gen_mime_types.rs:22 [INFO] [stderr] 11: 0x55e35071410f - std::rt::lang_start::{{closure}}::h7bff75220e81b636 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/rt.rs:64 [INFO] [stderr] 12: 0x55e35072b242 - std::panicking::try::do_call::hc3d8373a0b215f51 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] at src/libstd/panicking.rs:293 [INFO] [stderr] 13: 0x55e35072d779 - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:85 [INFO] [stderr] 14: 0x55e35072bcfc - std::rt::lang_start_internal::he5218c8b95d395f2 [INFO] [stderr] at src/libstd/panicking.rs:272 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 15: 0x55e3507140e8 - std::rt::lang_start::hab77a02eeb3c77d0 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/rt.rs:64 [INFO] [stderr] 16: 0x55e3506f6809 - main [INFO] [stderr] 17: 0x7f05704b72e0 - __libc_start_main [INFO] [stderr] 18: 0x55e3506ca3d9 - _start [INFO] [stderr] 19: 0x0 - [INFO] [stderr] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "6e99c2c7362e317fed00b1d4d0d23b4a80a30703e7deb551831187f80110bc6e"` [INFO] running `"docker" "rm" "-f" "6e99c2c7362e317fed00b1d4d0d23b4a80a30703e7deb551831187f80110bc6e"` [INFO] [stdout] 6e99c2c7362e317fed00b1d4d0d23b4a80a30703e7deb551831187f80110bc6e