[INFO] updating cached repository nelsonjchen/pty_ws [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/nelsonjchen/pty_ws [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/nelsonjchen/pty_ws" "work/ex/beta-1.37-6/sources/1.36.0/gh/nelsonjchen/pty_ws"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/nelsonjchen/pty_ws'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/nelsonjchen/pty_ws" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nelsonjchen/pty_ws"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nelsonjchen/pty_ws'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] c353de8fadd74970e2fa1dfd2d81e4723fb38d5f [INFO] sha for GitHub repo nelsonjchen/pty_ws: c353de8fadd74970e2fa1dfd2d81e4723fb38d5f [INFO] validating manifest of nelsonjchen/pty_ws 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 nelsonjchen/pty_ws 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 nelsonjchen/pty_ws [INFO] finished frobbing nelsonjchen/pty_ws [INFO] frobbed toml for nelsonjchen/pty_ws written to work/ex/beta-1.37-6/sources/1.36.0/gh/nelsonjchen/pty_ws/Cargo.toml [INFO] started frobbing nelsonjchen/pty_ws [INFO] finished frobbing nelsonjchen/pty_ws [INFO] frobbed toml for nelsonjchen/pty_ws written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nelsonjchen/pty_ws/Cargo.toml [INFO] crate nelsonjchen/pty_ws 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] [stderr] Blocking waiting for file lock on package cache lock [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 nelsonjchen/pty_ws 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/nelsonjchen/pty_ws:/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] e732e1cc187d13a31a1005bb767226e86bb645583fe06a0af9c40b265143f501 [INFO] running `"docker" "start" "-a" "e732e1cc187d13a31a1005bb767226e86bb645583fe06a0af9c40b265143f501"` [INFO] [stderr] Compiling buf_redux v0.1.3 [INFO] [stderr] Compiling atomic-option v0.1.2 [INFO] [stderr] Compiling memchr v0.1.11 [INFO] [stderr] Compiling miniz-sys v0.1.10 [INFO] [stderr] Compiling nix v0.9.0 [INFO] [stderr] Compiling filetime v0.1.14 [INFO] [stderr] Compiling phf_generator v0.7.21 [INFO] [stderr] Compiling uuid v0.1.18 [INFO] [stderr] Compiling tempdir v0.3.5 [INFO] [stderr] Compiling parking_lot_core v0.2.6 [INFO] [stderr] Compiling serde_json v1.0.4 [INFO] [stderr] Compiling phf_codegen v0.7.21 [INFO] [stderr] Compiling aho-corasick v0.5.3 [INFO] [stderr] Compiling brotli-sys v0.2.1 [INFO] [stderr] Compiling url v1.5.1 [INFO] [stderr] Compiling thread-id v2.0.0 [INFO] [stderr] Compiling serde v0.6.15 [INFO] [stderr] Compiling chrono v0.2.25 [INFO] [stderr] Compiling brotli2 v0.2.2 [INFO] [stderr] Compiling url v0.2.38 [INFO] [stderr] Compiling mime_guess v1.5.0 [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] [INFO] [stderr] Compiling thread_local v0.2.7 [INFO] [stderr] Compiling bus v1.3.2 [INFO] [stderr] Compiling regex v0.1.80 [INFO] [stderr] Compiling flate2 v0.2.20 [INFO] [stderr] error: failed to run custom build command for `mime_guess v1.5.0` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/mime_guess-8356579892553ac1/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: 0x55d7a8ad56b3 - 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: 0x55d7a8ad12cb - std::sys_common::backtrace::_print::h49a82ae9552e35c7 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:71 [INFO] [stderr] 2: 0x55d7a8ad4526 - 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: 0x55d7a8ad42b9 - std::panicking::default_hook::he4af6af4ac7fef7b [INFO] [stderr] at src/libstd/panicking.rs:211 [INFO] [stderr] 4: 0x55d7a8ad4b7f - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f [INFO] [stderr] at src/libstd/panicking.rs:474 [INFO] [stderr] 5: 0x55d7a8ad4701 - std::panicking::continue_panic_fmt::ha6d6ae144369025b [INFO] [stderr] at src/libstd/panicking.rs:381 [INFO] [stderr] 6: 0x55d7a8ad45e5 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:308 [INFO] [stderr] 7: 0x55d7a8ae5a6c - core::panicking::panic_fmt::hc4f83bfed80aeabd [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 8: 0x55d7a8ac94e7 - core::result::unwrap_failed::hd32d062bf7fec0f8 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/macros.rs:18 [INFO] [stderr] 9: 0x55d7a8abfdaa - core::result::Result::unwrap::h638a46c67bf83293 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/result.rs:800 [INFO] [stderr] 10: 0x55d7a8aadfc4 - build_script_gen_mime_types::main::hbe68cc11e45110f0 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/mime_guess-1.5.0/src/gen_mime_types.rs:16 [INFO] [stderr] 11: 0x55d7a8ac31ff - std::rt::lang_start::{{closure}}::hd1d73094c854aecb [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/rt.rs:64 [INFO] [stderr] 12: 0x55d7a8ad45d2 - 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: 0x55d7a8ad6b09 - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:85 [INFO] [stderr] 14: 0x55d7a8ad508c - 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: 0x55d7a8ac31d8 - std::rt::lang_start::haf7d281411b951f0 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/rt.rs:64 [INFO] [stderr] 16: 0x55d7a8aae479 - main [INFO] [stderr] 17: 0x7f84cf6bf2e0 - __libc_start_main [INFO] [stderr] 18: 0x55d7a8a90b69 - _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" "e732e1cc187d13a31a1005bb767226e86bb645583fe06a0af9c40b265143f501"` [INFO] running `"docker" "rm" "-f" "e732e1cc187d13a31a1005bb767226e86bb645583fe06a0af9c40b265143f501"` [INFO] [stdout] e732e1cc187d13a31a1005bb767226e86bb645583fe06a0af9c40b265143f501