[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#b3bd7058c139e71bae0862ef8f8ac936208873e9 for pr-123752 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fftabaro%2Fmutation-viewer" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ftabaro/mutation-viewer on toolchain b3bd7058c139e71bae0862ef8f8ac936208873e9 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "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-5-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" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded itoa v0.3.4 [INFO] [stderr] Downloaded serde_json v1.0.9 [INFO] [stderr] Downloaded num-traits v0.2.0 [INFO] [stderr] Downloaded serde_derive v1.0.27 [INFO] [stderr] Downloaded safemem v0.1.1 [INFO] [stderr] Downloaded dtoa v0.4.2 [INFO] [stderr] Downloaded num-iter v0.1.35 [INFO] [stderr] Downloaded serde_derive_internals v0.19.0 [INFO] [stderr] Downloaded sha1 v0.2.0 [INFO] [stderr] Downloaded serde v1.0.27 [INFO] [stderr] Downloaded remove_dir_all v0.3.0 [INFO] [stderr] Downloaded brotli2 v0.2.2 [INFO] [stderr] Downloaded tempdir v0.3.6 [INFO] [stderr] Downloaded twoway v0.1.7 [INFO] [stderr] Downloaded base64 v0.7.0 [INFO] [stderr] Downloaded gcc v0.3.54 [INFO] [stderr] Downloaded docopt v0.8.3 [INFO] [stderr] Downloaded chrono v0.4.0 [INFO] [stderr] Downloaded regex v0.2.5 [INFO] [stderr] Downloaded libc v0.2.36 [INFO] [stderr] Downloaded brotli-sys v0.2.1 [INFO] [stderr] Downloaded flate2 v0.2.20 [INFO] [stderr] Downloaded chrono v0.2.25 [INFO] [stderr] Downloaded encoding v0.2.33 [INFO] [stderr] Downloaded miniz-sys v0.1.10 [INFO] [stderr] Downloaded multipart v0.13.6 [INFO] [stderr] Downloaded cc v1.0.4 [INFO] [stderr] Downloaded buf_redux v0.6.1 [INFO] [stderr] Downloaded mime_guess v1.8.3 [INFO] [stderr] Downloaded tiny_http v0.5.9 [INFO] [stderr] Downloaded term v0.2.14 [INFO] [stderr] Downloaded num v0.1.41 [INFO] [stderr] Downloaded rouille v2.0.0 [INFO] [stderr] Downloaded ascii v0.7.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f98d39aabc04ac6203fcdc2942edd44638c80212a46ca82d8b70628be825e287 [INFO] running `Command { std: "docker" "start" "-a" "f98d39aabc04ac6203fcdc2942edd44638c80212a46ca82d8b70628be825e287", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f98d39aabc04ac6203fcdc2942edd44638c80212a46ca82d8b70628be825e287", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f98d39aabc04ac6203fcdc2942edd44638c80212a46ca82d8b70628be825e287", kill_on_drop: false }` [INFO] [stdout] f98d39aabc04ac6203fcdc2942edd44638c80212a46ca82d8b70628be825e287 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0f475b3fb4f6a206ace0d0fc39a48eb63b89c5df01afa9136f951d358e00a96e [INFO] running `Command { std: "docker" "start" "-a" "0f475b3fb4f6a206ace0d0fc39a48eb63b89c5df01afa9136f951d358e00a96e", kill_on_drop: false }` [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] Compiling siphasher v0.2.2 [INFO] [stderr] Checking encoding_index_tests v0.1.4 [INFO] [stderr] Checking cfg-if v0.1.2 [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Checking winapi v0.2.8 [INFO] [stderr] Checking log v0.4.1 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling cc v1.0.4 [INFO] [stderr] Checking matches v0.1.6 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Checking memchr v2.0.1 [INFO] [stderr] Checking num-integer v0.1.36 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Compiling gcc v0.3.54 [INFO] [stderr] Checking time v0.1.39 [INFO] [stderr] Checking num-iter v0.1.35 [INFO] [stderr] Checking num v0.1.41 [INFO] [stderr] Compiling phf_shared v0.7.21 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Checking phf v0.7.21 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking rand v0.3.22 [INFO] [stderr] Checking remove_dir_all v0.3.0 [INFO] [stderr] Compiling miniz-sys v0.1.10 [INFO] [stderr] Compiling phf_generator v0.7.21 [INFO] [stderr] Checking mime v0.2.6 [INFO] [stderr] Checking memchr v0.1.11 [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/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/alloc/src/borrow.rs:180:30 [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 phf_codegen v0.7.21 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Compiling brotli-sys v0.2.1 [INFO] [stderr] Checking encoding-index-simpchinese v1.20141219.5 [INFO] [stderr] Checking encoding-index-tradchinese v1.20141219.5 [INFO] [stderr] Compiling mime_guess v1.8.3 [INFO] [stderr] Checking encoding-index-japanese v1.20141219.5 [INFO] [stderr] Checking encoding-index-singlebyte v1.20141219.5 [INFO] [stderr] Checking encoding-index-korean v1.20141219.5 [INFO] [stderr] Checking serde v1.0.27 [INFO] [stderr] Checking unicode-normalization v0.1.5 [INFO] [stderr] Checking safemem v0.2.0 [INFO] [stderr] Compiling serde_derive_internals v0.19.0 [INFO] [stderr] Checking safemem v0.1.1 [INFO] [stderr] Checking lazy_static v1.0.0 [INFO] [stderr] Checking buf_redux v0.6.1 [INFO] [stderr] Checking thread_local v0.3.5 [INFO] [stderr] Checking idna v0.1.4 [INFO] [stderr] Checking encoding v0.2.33 [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: 0x563e24cc2c65 - std::backtrace_rs::backtrace::libunwind::trace::hc0846b9d5d734da3 [INFO] [stderr] at /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5 [INFO] [stderr] 1: 0x563e24cc2c65 - std::backtrace_rs::backtrace::trace_unsynchronized::haaeb5c07fc5f1c16 [INFO] [stderr] at /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x563e24cc2c65 - std::sys_common::backtrace::_print_fmt::hf422d8687c118c78 [INFO] [stderr] at /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/std/src/sys_common/backtrace.rs:68:5 [INFO] [stderr] 3: 0x563e24cc2c65 - ::fmt::h826b8e7caae31c92 [INFO] [stderr] at /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/std/src/sys_common/backtrace.rs:44:22 [INFO] [stderr] 4: 0x563e24ce03cb - core::fmt::rt::Argument::fmt::ha5794cc754ea58dc [INFO] [stderr] at /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/core/src/fmt/rt.rs:142:9 [INFO] [stderr] 5: 0x563e24ce03cb - core::fmt::write::h90bf88fced7d7a85 [INFO] [stderr] at /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/core/src/fmt/mod.rs:1153:17 [INFO] [stderr] 6: 0x563e24cc0eef - std::io::Write::write_fmt::h0542e06a2975a65e [INFO] [stderr] at /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/std/src/io/mod.rs:1850:15 [INFO] [stderr] 7: 0x563e24cc2a3e - std::sys_common::backtrace::_print::h6c5d0ea7000c081f [INFO] [stderr] at /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/std/src/sys_common/backtrace.rs:47:5 [INFO] [stderr] 8: 0x563e24cc2a3e - std::sys_common::backtrace::print::h8cc61d3d9cfe4b43 [INFO] [stderr] at /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/std/src/sys_common/backtrace.rs:34:9 [INFO] [stderr] 9: 0x563e24cc3cf9 - std::panicking::default_hook::{{closure}}::ha840b187609a73dc [INFO] [stderr] 10: 0x563e24cc3a15 - std::panicking::default_hook::h64931701a8dfbeb5 [INFO] [stderr] at /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/std/src/panicking.rs:291:9 [INFO] [stderr] 11: 0x563e24cc4194 - std::panicking::rust_panic_with_hook::h0fc054ea3f5b1656 [INFO] [stderr] at /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/std/src/panicking.rs:788:13 [INFO] [stderr] 12: 0x563e24cc4076 - std::panicking::begin_panic_handler::{{closure}}::hd39fcf318858b44e [INFO] [stderr] at /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/std/src/panicking.rs:657:13 [INFO] [stderr] 13: 0x563e24cc3129 - std::sys_common::backtrace::__rust_end_short_backtrace::h41bac59379df1622 [INFO] [stderr] at /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/std/src/sys_common/backtrace.rs:171:18 [INFO] [stderr] 14: 0x563e24cc3da7 - rust_begin_unwind [INFO] [stderr] at /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/std/src/panicking.rs:645:5 [INFO] [stderr] 15: 0x563e24c7dbd6 - core::panicking::panic_fmt::h7b8f1967fb403697 [INFO] [stderr] at /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/core/src/panicking.rs:72:14 [INFO] [stderr] 16: 0x563e24c7dfe6 - core::result::unwrap_failed::h98b5c5e024a177ec [INFO] [stderr] at /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/core/src/result.rs:1654:5 [INFO] [stderr] 17: 0x563e24ca21b6 - build_script_gen_mime_types::main::h0608418a9a6a964d [INFO] [stderr] 18: 0x563e24c97043 - core::ops::function::FnOnce::call_once::h217afa823b14cdb1 [INFO] [stderr] 19: 0x563e24c919b6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h87d0b846d09e1ec2 [INFO] [stderr] 20: 0x563e24c969d9 - std::rt::lang_start::{{closure}}::h6e0014229da21f62 [INFO] [stderr] 21: 0x563e24cbeb56 - core::ops::function::impls:: for &F>::call_once::h49d0eb024581c58d [INFO] [stderr] at /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/core/src/ops/function.rs:284:13 [INFO] [stderr] 22: 0x563e24cbeb56 - std::panicking::try::do_call::h216b6896714a987d [INFO] [stderr] at /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/std/src/panicking.rs:552:40 [INFO] [stderr] 23: 0x563e24cbeb56 - std::panicking::try::h4bac5f28dc782f91 [INFO] [stderr] at /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/std/src/panicking.rs:516:19 [INFO] [stderr] 24: 0x563e24cbeb56 - std::panic::catch_unwind::h2a45431533d7ee9c [INFO] [stderr] at /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/std/src/panic.rs:149:14 [INFO] [stderr] 25: 0x563e24cbeb56 - std::rt::lang_start_internal::{{closure}}::h93ba00e1aef300e8 [INFO] [stderr] at /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/std/src/rt.rs:141:48 [INFO] [stderr] 26: 0x563e24cbeb56 - std::panicking::try::do_call::hbeece6a5e5d1de22 [INFO] [stderr] at /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/std/src/panicking.rs:552:40 [INFO] [stderr] 27: 0x563e24cbeb56 - std::panicking::try::h48d13e3c46df2cb2 [INFO] [stderr] at /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/std/src/panicking.rs:516:19 [INFO] [stderr] 28: 0x563e24cbeb56 - std::panic::catch_unwind::he1a369a4d9ab7488 [INFO] [stderr] at /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/std/src/panic.rs:149:14 [INFO] [stderr] 29: 0x563e24cbeb56 - std::rt::lang_start_internal::h5fddfc687b4198c5 [INFO] [stderr] at /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/std/src/rt.rs:141:20 [INFO] [stderr] 30: 0x563e24c969b7 - std::rt::lang_start::h4ff322bb1a3af94f [INFO] [stderr] 31: 0x563e24ca3a15 - main [INFO] [stderr] 32: 0x7ff935bb8d90 - [INFO] [stderr] 33: 0x7ff935bb8e40 - __libc_start_main [INFO] [stderr] 34: 0x563e24c7e305 - _start [INFO] [stderr] 35: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0310`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rustc-serialize` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "0f475b3fb4f6a206ace0d0fc39a48eb63b89c5df01afa9136f951d358e00a96e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0f475b3fb4f6a206ace0d0fc39a48eb63b89c5df01afa9136f951d358e00a96e", kill_on_drop: false }` [INFO] [stdout] 0f475b3fb4f6a206ace0d0fc39a48eb63b89c5df01afa9136f951d358e00a96e