[INFO] updating cached repository ayosec/markdown-preview [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/ayosec/markdown-preview [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/ayosec/markdown-preview" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/ayosec/markdown-preview"` [INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/ayosec/markdown-preview'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/ayosec/markdown-preview" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/ayosec/markdown-preview"` [INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/ayosec/markdown-preview'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 12e23a657fdd3d5a40cba5565732ccf359235b79 [INFO] sha for GitHub repo ayosec/markdown-preview: 12e23a657fdd3d5a40cba5565732ccf359235b79 [INFO] validating manifest of ayosec/markdown-preview on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of ayosec/markdown-preview on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing ayosec/markdown-preview [INFO] finished frobbing ayosec/markdown-preview [INFO] frobbed toml for ayosec/markdown-preview written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/ayosec/markdown-preview/Cargo.toml [INFO] started frobbing ayosec/markdown-preview [INFO] finished frobbing ayosec/markdown-preview [INFO] frobbed toml for ayosec/markdown-preview written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/ayosec/markdown-preview/Cargo.toml [INFO] crate ayosec/markdown-preview already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] checking ayosec/markdown-preview against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-3/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/ayosec/markdown-preview:/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=forbid" "-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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 3742f7e72fc229236834d634645e2207e9c293e075f02218a461d1238624daa1 [INFO] running `"docker" "start" "-a" "3742f7e72fc229236834d634645e2207e9c293e075f02218a461d1238624daa1"` [INFO] [stderr] Checking entities v1.0.0 [INFO] [stderr] Checking uuid v0.1.18 [INFO] [stderr] Checking twoway v0.1.3 [INFO] [stderr] Compiling syn v0.14.5 [INFO] [stderr] Compiling cssparser v0.13.7 [INFO] [stderr] Compiling html5ever v0.20.0 [INFO] [stderr] Compiling structopt-derive v0.1.1 [INFO] [stderr] Checking tendril v0.4.0 [INFO] [stderr] Checking chrono v0.2.25 [INFO] [stderr] Checking structopt v0.1.1 [INFO] [stderr] Checking comrak v0.2.2 [INFO] [stderr] Compiling string_cache_codegen v0.4.0 [INFO] [stderr] Checking url v0.2.38 [INFO] [stderr] Compiling selectors v0.18.0 [INFO] [stderr] Compiling mime_guess v1.8.2 [INFO] [stderr] Checking tiny_http v0.5.8 [INFO] [stderr] Compiling string_cache v0.6.2 [INFO] [stderr] Compiling markup5ever v0.5.0 [INFO] [stderr] error: failed to run custom build command for `mime_guess v1.8.2` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/mime_guess-75eb0dc00c3cf018/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: 0x55dd0274124b - backtrace::backtrace::libunwind::trace::h0c70a293f076b04d [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x55dd0274124b - backtrace::backtrace::trace_unsynchronized::h1bc693e29cfaa7b4 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55dd0274124b - std::sys_common::backtrace::_print::h8e9bb00be68d4090 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x55dd0274124b - std::sys_common::backtrace::print::h706192507dd9d34d [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x55dd0274124b - std::panicking::default_hook::{{closure}}::he2b558091ea21dea [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 5: 0x55dd02740f27 - std::panicking::default_hook::hfb9d48d2b8aaf0f5 [INFO] [stderr] at src/libstd/panicking.rs:212 [INFO] [stderr] 6: 0x55dd02741910 - std::panicking::rust_panic_with_hook::h56bb6d26ac5aac90 [INFO] [stderr] at src/libstd/panicking.rs:475 [INFO] [stderr] 7: 0x55dd02741492 - std::panicking::continue_panic_fmt::h360cf8419afe0564 [INFO] [stderr] at src/libstd/panicking.rs:382 [INFO] [stderr] 8: 0x55dd02741376 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:309 [INFO] [stderr] 9: 0x55dd0275607d - core::panicking::panic_fmt::h9cf93b79d5aa98c5 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 10: 0x55dd027348a8 - core::result::unwrap_failed::hee8aab39f96b5477 [INFO] [stderr] at /rustc/5f9c0448dde167128d668da4555879f64e56af1d/src/libcore/macros.rs:18 [INFO] [stderr] 11: 0x55dd02702bbc - core::result::Result::unwrap::h112dba2e2b8778f7 [INFO] [stderr] at /rustc/5f9c0448dde167128d668da4555879f64e56af1d/src/libcore/result.rs:800 [INFO] [stderr] 12: 0x55dd0270bad5 - build_script_gen_mime_types::main::h1a80bc19b688505f [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/mime_guess-1.8.2/src/gen_mime_types.rs:22 [INFO] [stderr] 13: 0x55dd0272a4d0 - std::rt::lang_start::{{closure}}::h36c102b6e958ce0b [INFO] [stderr] at /rustc/5f9c0448dde167128d668da4555879f64e56af1d/src/libstd/rt.rs:64 [INFO] [stderr] 14: 0x55dd02741363 - std::rt::lang_start_internal::{{closure}}::h868ef2b3c3a15fff [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 15: 0x55dd02741363 - std::panicking::try::do_call::h4528fe5c5ea34ef8 [INFO] [stderr] at src/libstd/panicking.rs:294 [INFO] [stderr] 16: 0x55dd027432aa - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:82 [INFO] [stderr] 17: 0x55dd02741e1d - std::panicking::try::ha87d5378c5dcb863 [INFO] [stderr] at src/libstd/panicking.rs:273 [INFO] [stderr] 18: 0x55dd02741e1d - std::panic::catch_unwind::hf01b748a30fdd5ec [INFO] [stderr] at src/libstd/panic.rs:388 [INFO] [stderr] 19: 0x55dd02741e1d - std::rt::lang_start_internal::h9518341cf2ad1d33 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 20: 0x55dd0272a4a9 - std::rt::lang_start::hdb28d61c33691a78 [INFO] [stderr] at /rustc/5f9c0448dde167128d668da4555879f64e56af1d/src/libstd/rt.rs:64 [INFO] [stderr] 21: 0x55dd0270d10a - main [INFO] [stderr] 22: 0x7f1f180b92e1 - __libc_start_main [INFO] [stderr] 23: 0x55dd026e017a - _start [INFO] [stderr] 24: 0x0 - [INFO] [stderr] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "3742f7e72fc229236834d634645e2207e9c293e075f02218a461d1238624daa1"` [INFO] running `"docker" "rm" "-f" "3742f7e72fc229236834d634645e2207e9c293e075f02218a461d1238624daa1"` [INFO] [stdout] 3742f7e72fc229236834d634645e2207e9c293e075f02218a461d1238624daa1