[INFO] cloning repository https://github.com/ftabaro/mutation-viewer [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ftabaro/mutation-viewer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fftabaro%2Fmutation-viewer", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fftabaro%2Fmutation-viewer'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ef1388ebda5c3302ee7d22a2f6eb78127294591c [INFO] checking ftabaro/mutation-viewer/ef1388ebda5c3302ee7d22a2f6eb78127294591c against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fftabaro%2Fmutation-viewer" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ftabaro/mutation-viewer on toolchain ff1737bb00913444173658b4e0b274fd79aabf66 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/ftabaro/mutation-viewer already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded brotli2 v0.2.2 [INFO] [stderr] Downloaded docopt v0.8.3 [INFO] [stderr] Downloaded rouille v2.0.0 [INFO] [stderr] Downloaded tiny_http v0.5.9 [INFO] [stderr] Downloaded brotli-sys v0.2.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 94d479cd181ae90792695ce35694ed54f348df90d2b469366c630fade93893db [INFO] running `Command { std: "docker" "start" "-a" "94d479cd181ae90792695ce35694ed54f348df90d2b469366c630fade93893db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "94d479cd181ae90792695ce35694ed54f348df90d2b469366c630fade93893db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "94d479cd181ae90792695ce35694ed54f348df90d2b469366c630fade93893db", kill_on_drop: false }` [INFO] [stdout] 94d479cd181ae90792695ce35694ed54f348df90d2b469366c630fade93893db [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a53947a3f6b6d52bb7a3dae8b0229f8a8bc83c44742755ac1c8e5b1424950095 [INFO] running `Command { std: "docker" "start" "-a" "a53947a3f6b6d52bb7a3dae8b0229f8a8bc83c44742755ac1c8e5b1424950095", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking libc v0.2.36 [INFO] [stderr] Compiling version_check v0.1.3 [INFO] [stderr] Checking num-traits v0.2.0 [INFO] [stderr] Checking encoding_index_tests v0.1.4 [INFO] [stderr] Compiling siphasher v0.2.2 [INFO] [stderr] Checking cfg-if v0.1.2 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling cc v1.0.4 [INFO] [stderr] Checking matches v0.1.6 [INFO] [stderr] Compiling gcc v0.3.54 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Checking safemem v0.2.0 [INFO] [stderr] Checking remove_dir_all v0.3.0 [INFO] [stderr] Checking log v0.4.1 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking encoding-index-simpchinese v1.20141219.5 [INFO] [stderr] Checking encoding-index-japanese v1.20141219.5 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Checking encoding-index-korean v1.20141219.5 [INFO] [stderr] Checking encoding-index-singlebyte v1.20141219.5 [INFO] [stderr] Checking encoding-index-tradchinese v1.20141219.5 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Checking unicode-normalization v0.1.5 [INFO] [stderr] Checking lazy_static v1.0.0 [INFO] [stderr] Checking safemem v0.1.1 [INFO] [stdout] error[E0310]: the parameter type `T` may not live long enough [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.3.24/src/serialize.rs:1155:5 [INFO] [stdout] | [INFO] [stdout] 1155 | fn decode(d: &mut D) -> Result, D::Error> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | the parameter type `T` must be valid for the static lifetime... [INFO] [stdout] | ...so that the type `T` will meet its required lifetime bounds... [INFO] [stdout] | [INFO] [stdout] note: ...that is required by this bound [INFO] [stdout] --> /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/alloc/src/borrow.rs:179:30 [INFO] [stdout] help: consider adding an explicit lifetime bound [INFO] [stdout] | [INFO] [stdout] 1151 | impl<'a, T: ?Sized + 'static> Decodable for Cow<'a, T> [INFO] [stdout] | +++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Checking serde v1.0.27 [INFO] [stderr] Checking regex-syntax v0.4.2 [INFO] [stderr] Checking thread_local v0.3.5 [INFO] [stderr] Checking mime v0.2.6 [INFO] [stderr] Checking httparse v1.2.4 [INFO] [stderr] Checking byteorder v1.2.1 [INFO] [stderr] Compiling rand v0.4.2 [INFO] [stderr] Checking num-integer v0.1.36 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking memchr v2.0.1 [INFO] [stderr] Checking time v0.1.39 [INFO] [stderr] Checking memchr v0.1.11 [INFO] [stderr] Checking encoding v0.2.33 [INFO] [stderr] Compiling phf_shared v0.7.21 [INFO] [stderr] Checking num-iter v0.1.35 [INFO] [stderr] Checking buf_redux v0.6.1 [INFO] [stderr] Checking twoway v0.1.7 [INFO] [stderr] Checking idna v0.1.4 [INFO] [stderr] Checking num v0.1.41 [INFO] [stderr] Checking aho-corasick v0.6.4 [INFO] [stderr] Checking phf v0.7.21 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking itoa v0.3.4 [INFO] [stderr] Checking chunked_transfer v0.3.1 [INFO] [stderr] Checking chrono v0.2.25 [INFO] [stderr] Checking dtoa v0.4.2 [INFO] [stderr] Compiling brotli-sys v0.2.1 [INFO] [stderr] Checking ascii v0.7.1 [INFO] [stderr] Checking utf8-ranges v1.0.0 [INFO] [stderr] Checking threadpool v1.7.1 [INFO] [stderr] Compiling miniz-sys v0.1.10 [INFO] [stderr] Checking chrono v0.4.0 [INFO] [stderr] Checking base64 v0.7.0 [INFO] [stderr] Checking filetime v0.1.15 [INFO] [stderr] Checking term v0.2.14 [INFO] [stderr] Checking sha1 v0.2.0 [INFO] [stderr] Checking rand v0.3.22 [INFO] [stderr] Checking tempdir v0.3.6 [INFO] [stderr] Checking strsim v0.6.0 [INFO] [stderr] Checking regex v0.2.5 [INFO] [stderr] Compiling phf_generator v0.7.21 [INFO] [stderr] Compiling phf_codegen v0.7.21 [INFO] [stderr] Compiling serde_derive_internals v0.19.0 [INFO] [stderr] Compiling mime_guess v1.8.3 [INFO] [stderr] Checking url v1.6.0 [INFO] [stderr] error: failed to run custom build command for `mime_guess v1.8.3` [INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation. [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/mime_guess-926eb471e66925a7/build-script-gen_mime_types` (exit status: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/mime_guess-1.8.3/src/gen_mime_types.rs:22:67: [INFO] [stderr] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" } [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x612238a54f0a - std::backtrace_rs::backtrace::libunwind::trace::h4a182ed5026c4960 [INFO] [stderr] at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5 [INFO] [stderr] 1: 0x612238a54f0a - std::backtrace_rs::backtrace::trace_unsynchronized::hd36eaf0d0af663ac [INFO] [stderr] at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x612238a54f0a - std::sys::backtrace::_print_fmt::h5bc686de8bf76aa3 [INFO] [stderr] at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/sys/backtrace.rs:66:9 [INFO] [stderr] 3: 0x612238a54f0a - ::fmt::hd8bd9250b5d34cf2 [INFO] [stderr] at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/sys/backtrace.rs:39:26 [INFO] [stderr] 4: 0x612238a71ff3 - core::fmt::rt::Argument::fmt::h479db8f948910918 [INFO] [stderr] at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/core/src/fmt/rt.rs:177:76 [INFO] [stderr] 5: 0x612238a71ff3 - core::fmt::write::h8ea7001525e04e92 [INFO] [stderr] at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/core/src/fmt/mod.rs:1189:21 [INFO] [stderr] 6: 0x612238a526a3 - std::io::Write::write_fmt::h9a3a3a90a20c720b [INFO] [stderr] at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/io/mod.rs:1884:15 [INFO] [stderr] 7: 0x612238a54d52 - std::sys::backtrace::BacktraceLock::print::h524f4afae71bff25 [INFO] [stderr] at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/sys/backtrace.rs:42:9 [INFO] [stderr] 8: 0x612238a55d1c - std::panicking::default_hook::{{closure}}::hbf0efdb45c0ec2fa [INFO] [stderr] at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/panicking.rs:268:22 [INFO] [stderr] 9: 0x612238a55b62 - std::panicking::default_hook::hd8655fd75a36fb4e [INFO] [stderr] at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/panicking.rs:295:9 [INFO] [stderr] 10: 0x612238a56317 - std::panicking::rust_panic_with_hook::hfd3e39fd18e5a522 [INFO] [stderr] at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/panicking.rs:801:13 [INFO] [stderr] 11: 0x612238a561aa - std::panicking::begin_panic_handler::{{closure}}::h541106c2fc98c78e [INFO] [stderr] at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/panicking.rs:674:13 [INFO] [stderr] 12: 0x612238a553e9 - std::sys::backtrace::__rust_end_short_backtrace::hd41b812be983a407 [INFO] [stderr] at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/sys/backtrace.rs:170:18 [INFO] [stderr] 13: 0x612238a55e3c - rust_begin_unwind [INFO] [stderr] at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/panicking.rs:665:5 [INFO] [stderr] 14: 0x612238a71240 - core::panicking::panic_fmt::h6d97ef49812eecdc [INFO] [stderr] at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/core/src/panicking.rs:76:14 [INFO] [stderr] 15: 0x612238a715b6 - core::result::unwrap_failed::h15f0d843aaf4c779 [INFO] [stderr] at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/core/src/result.rs:1699:5 [INFO] [stderr] 16: 0x612238a2a6c6 - build_script_gen_mime_types::main::h76c247acc05a9174 [INFO] [stderr] 17: 0x612238a22cd3 - core::ops::function::FnOnce::call_once::hf17424742bc61764 [INFO] [stderr] 18: 0x612238a2cd66 - std::sys::backtrace::__rust_begin_short_backtrace::hb6b78c09ab9ff6d7 [INFO] [stderr] 19: 0x612238a2cd49 - std::rt::lang_start::{{closure}}::h6b2097cb167a56f0 [INFO] [stderr] 20: 0x612238a50897 - core::ops::function::impls:: for &F>::call_once::h85d3b6433c6201ad [INFO] [stderr] at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/core/src/ops/function.rs:284:13 [INFO] [stderr] 21: 0x612238a50897 - std::panicking::try::do_call::h1e58a303c26811b2 [INFO] [stderr] at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/panicking.rs:557:40 [INFO] [stderr] 22: 0x612238a50897 - std::panicking::try::hf884ee642c4250a3 [INFO] [stderr] at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/panicking.rs:520:19 [INFO] [stderr] 23: 0x612238a50897 - std::panic::catch_unwind::h16d69298af9a3692 [INFO] [stderr] at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/panic.rs:358:14 [INFO] [stderr] 24: 0x612238a50897 - std::rt::lang_start_internal::{{closure}}::h5a8a6f94cdf753a6 [INFO] [stderr] at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/rt.rs:174:48 [INFO] [stderr] 25: 0x612238a50897 - std::panicking::try::do_call::hf6ee2fe994f58e18 [INFO] [stderr] at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/panicking.rs:557:40 [INFO] [stderr] 26: 0x612238a50897 - std::panicking::try::hc1282bf2eeca2940 [INFO] [stderr] at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/panicking.rs:520:19 [INFO] [stderr] 27: 0x612238a50897 - std::panic::catch_unwind::h212572842a792e2c [INFO] [stderr] at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/panic.rs:358:14 [INFO] [stderr] 28: 0x612238a50897 - std::rt::lang_start_internal::h9681d29d05b11740 [INFO] [stderr] at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/rt.rs:174:20 [INFO] [stderr] 29: 0x612238a2cd27 - std::rt::lang_start::h02988891196681f0 [INFO] [stderr] 30: 0x612238a2be05 - main [INFO] [stderr] 31: 0x7e2ba0668d90 - [INFO] [stderr] 32: 0x7e2ba0668e40 - __libc_start_main [INFO] [stderr] 33: 0x612238a11315 - _start [INFO] [stderr] 34: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] For more information about this error, try `rustc --explain E0310`. [INFO] [stdout] [INFO] [stdout] error[E0713]: borrow may still be in use when destructor runs [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/url-1.6.0/src/form_urlencoded.rs:261:40 [INFO] [stdout] | [INFO] [stdout] 259 | impl<'a> Target for ::UrlQuery<'a> { [INFO] [stdout] | -- lifetime `'a` defined here [INFO] [stdout] 260 | fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization } [INFO] [stdout] 261 | fn finish(self) -> &'a mut ::Url { self.url } [INFO] [stdout] | ^^^^^^^^ - here, drop of `self` needs exclusive access to `*self.url`, because the type `UrlQuery<'_>` implements the `Drop` trait [INFO] [stdout] | | [INFO] [stdout] | returning this value requires that `*self.url` is borrowed for `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rustc-serialize` (lib) due to 1 previous error [INFO] [stdout] For more information about this error, try `rustc --explain E0713`. [INFO] [stdout] [INFO] [stderr] error: could not compile `url` (lib) due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "a53947a3f6b6d52bb7a3dae8b0229f8a8bc83c44742755ac1c8e5b1424950095", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a53947a3f6b6d52bb7a3dae8b0229f8a8bc83c44742755ac1c8e5b1424950095", kill_on_drop: false }` [INFO] [stdout] a53947a3f6b6d52bb7a3dae8b0229f8a8bc83c44742755ac1c8e5b1424950095