[INFO] updating cached repository https://github.com/ftabaro/mutation-viewer [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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] 9db01032796d52d9cc56e115b26a234fefce2b0e [INFO] checking ftabaro/mutation-viewer against master#914adf04af1c1a984707f778da3d04590c03d144 for pr-72331 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fftabaro%2Fmutation-viewer" "/workspace/builds/worker-10/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ftabaro/mutation-viewer on toolchain 914adf04af1c1a984707f778da3d04590c03d144 [INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/ftabaro/mutation-viewer [INFO] finished tweaking git repo https://github.com/ftabaro/mutation-viewer [INFO] tweaked toml for git repo https://github.com/ftabaro/mutation-viewer written to /workspace/builds/worker-10/source/Cargo.toml [INFO] crate git repo https://github.com/ftabaro/mutation-viewer already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "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" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+914adf04af1c1a984707f778da3d04590c03d144" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 72bc49b49fd5356697e7386a45eba3abf38fd200b70eb99252968c57a6f246b7 [INFO] running `"docker" "start" "-a" "72bc49b49fd5356697e7386a45eba3abf38fd200b70eb99252968c57a6f246b7"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Checking encoding_index_tests v0.1.4 [INFO] [stderr] Checking winapi v0.2.8 [INFO] [stderr] Checking matches v0.1.6 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking safemem v0.1.1 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking regex-syntax v0.4.2 [INFO] [stderr] Checking utf8-ranges v1.0.0 [INFO] [stderr] Checking sha1 v0.2.0 [INFO] [stderr] Compiling rand v0.4.2 [INFO] [stderr] Checking memchr v2.0.1 [INFO] [stderr] Checking time v0.1.39 [INFO] [stderr] Checking memchr v0.1.11 [INFO] [stderr] Checking filetime v0.1.15 [INFO] [stderr] Compiling brotli-sys v0.2.1 [INFO] [stderr] Checking base64 v0.7.0 [INFO] [stderr] Checking threadpool v1.7.1 [INFO] [stderr] Checking serde_json v1.0.9 [INFO] [stderr] Checking encoding-index-tradchinese v1.20141219.5 [INFO] [stderr] Checking encoding-index-singlebyte v1.20141219.5 [INFO] [stderr] Checking encoding-index-korean v1.20141219.5 [INFO] [stderr] Checking encoding-index-japanese v1.20141219.5 [INFO] [stderr] Checking encoding-index-simpchinese v1.20141219.5 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking num v0.1.41 [INFO] [stderr] Checking kernel32-sys v0.2.2 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking mime v0.2.6 [INFO] [stderr] Checking twoway v0.1.7 [INFO] [stderr] Checking aho-corasick v0.6.4 [INFO] [stderr] Checking buf_redux v0.6.1 [INFO] [stderr] Checking thread_local v0.3.5 [INFO] [stderr] Checking flate2 v1.0.1 [INFO] [stderr] Checking remove_dir_all v0.3.0 [INFO] [stderr] Checking term v0.2.14 [INFO] [stderr] Checking chrono v0.2.25 [INFO] [stderr] Checking chrono v0.4.0 [INFO] [stderr] Checking tempdir v0.3.6 [INFO] [stderr] Checking idna v0.1.4 [INFO] [stderr] Checking encoding v0.2.33 [INFO] [stderr] Compiling rand v0.3.22 [INFO] [stderr] Compiling phf_generator v0.7.21 [INFO] [stderr] Compiling phf_codegen v0.7.21 [INFO] [stderr] Compiling mime_guess v1.8.3 [INFO] [stderr] Checking regex v0.2.5 [INFO] [stderr] Checking url v1.6.0 [INFO] [stderr] error: failed to run custom build command for `mime_guess v1.8.3` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/mime_guess-5f6729b0efd9e3d3/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" }', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mime_guess-1.8.3/src/gen_mime_types.rs:22:38 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55c0ccf22bd4 - backtrace::backtrace::libunwind::trace::h98d3444f0ad70429 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x55c0ccf22bd4 - backtrace::backtrace::trace_unsynchronized::h37f821d20053e6cd [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55c0ccf22bd4 - std::sys_common::backtrace::_print_fmt::hff04dc7e915a3c85 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x55c0ccf22bd4 - ::fmt::h61891c439a79f00d [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x55c0ccf40c2c - core::fmt::write::hdf236390fbd68d3d [INFO] [stderr] at src/libcore/fmt/mod.rs:1069 [INFO] [stderr] 5: 0x55c0ccf214c3 - std::io::Write::write_fmt::h55f7fe3633ce766f [INFO] [stderr] at src/libstd/io/mod.rs:1537 [INFO] [stderr] 6: 0x55c0ccf25175 - std::sys_common::backtrace::_print::h78339381acb79e1b [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x55c0ccf25175 - std::sys_common::backtrace::print::h525aa9f9405c80a1 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x55c0ccf25175 - std::panicking::default_hook::{{closure}}::hace90b8a218287e6 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x55c0ccf24ec7 - std::panicking::default_hook::h160b6beccc49b335 [INFO] [stderr] at src/libstd/panicking.rs:218 [INFO] [stderr] 10: 0x55c0ccf25768 - std::panicking::rust_panic_with_hook::h36f6804eea3f553a [INFO] [stderr] at src/libstd/panicking.rs:486 [INFO] [stderr] 11: 0x55c0ccf2536b - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:388 [INFO] [stderr] 12: 0x55c0ccf40011 - core::panicking::panic_fmt::hd101a87121fa411f [INFO] [stderr] at src/libcore/panicking.rs:101 [INFO] [stderr] 13: 0x55c0ccf3fe33 - core::option::expect_none_failed::h4f0e89faa3179bf7 [INFO] [stderr] at src/libcore/option.rs:1272 [INFO] [stderr] 14: 0x55c0ccf0ac5b - core::result::Result::unwrap::hb9616920a1bcbf2b [INFO] [stderr] at /rustc/914adf04af1c1a984707f778da3d04590c03d144/src/libcore/result.rs:1005 [INFO] [stderr] 15: 0x55c0cceec9f1 - build_script_gen_mime_types::main::h8a1349fa405fe67f [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mime_guess-1.8.3/src/gen_mime_types.rs:22 [INFO] [stderr] 16: 0x55c0cceeae2b - std::rt::lang_start::{{closure}}::h353581dff6215626 [INFO] [stderr] at /rustc/914adf04af1c1a984707f778da3d04590c03d144/src/libstd/rt.rs:67 [INFO] [stderr] 17: 0x55c0ccf25b59 - std::rt::lang_start_internal::{{closure}}::h7c7701ace7781644 [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 18: 0x55c0ccf25b59 - std::panicking::try::do_call::h25761ef781a3cec3 [INFO] [stderr] at src/libstd/panicking.rs:297 [INFO] [stderr] 19: 0x55c0ccf25b59 - std::panicking::try::hc2ed2ebc2df17cc1 [INFO] [stderr] at src/libstd/panicking.rs:274 [INFO] [stderr] 20: 0x55c0ccf25b59 - std::panic::catch_unwind::h548ef5f09b7c73ca [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 21: 0x55c0ccf25b59 - std::rt::lang_start_internal::h9a98dc8e2c22711e [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 22: 0x55c0cceeae07 - std::rt::lang_start::h2bc94e087197393f [INFO] [stderr] at /rustc/914adf04af1c1a984707f778da3d04590c03d144/src/libstd/rt.rs:67 [INFO] [stderr] 23: 0x55c0cceedefa - main [INFO] [stderr] 24: 0x7f61fa8d20b3 - __libc_start_main [INFO] [stderr] 25: 0x55c0cced717e - _start [INFO] [stderr] 26: 0x0 - [INFO] [stderr] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error[E0713]: borrow may still be in use when destructor runs [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.6.0/src/form_urlencoded.rs:261:40 [INFO] [stderr] | [INFO] [stderr] 259 | impl<'a> Target for ::UrlQuery<'a> { [INFO] [stderr] | -- lifetime `'a` defined here [INFO] [stderr] 260 | fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization } [INFO] [stderr] 261 | 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] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0713`. [INFO] [stderr] error: could not compile `url`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "72bc49b49fd5356697e7386a45eba3abf38fd200b70eb99252968c57a6f246b7"` [INFO] running `"docker" "rm" "-f" "72bc49b49fd5356697e7386a45eba3abf38fd200b70eb99252968c57a6f246b7"` [INFO] [stdout] 72bc49b49fd5356697e7386a45eba3abf38fd200b70eb99252968c57a6f246b7