[INFO] cloning repository https://github.com/ayosec/markdown-preview [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ayosec/markdown-preview" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fayosec%2Fmarkdown-preview"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fayosec%2Fmarkdown-preview'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 12e23a657fdd3d5a40cba5565732ccf359235b79 [INFO] checking ayosec/markdown-preview against beta-2019-10-27 for pr-65897 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fayosec%2Fmarkdown-preview" "/workspace/builds/worker-5/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ayosec/markdown-preview on toolchain beta-2019-10-27 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/ayosec/markdown-preview [INFO] finished tweaking git repo https://github.com/ayosec/markdown-preview [INFO] tweaked toml for git repo https://github.com/ayosec/markdown-preview written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/ayosec/markdown-preview already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=allow" "-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" "+beta-2019-10-27" "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] b5980a459edef94df45a1d83b9a9f647254b644ccbf9373f22316d62a9a5de77 [INFO] running `"docker" "start" "-a" "b5980a459edef94df45a1d83b9a9f647254b644ccbf9373f22316d62a9a5de77"` [INFO] [stderr] Compiling serde v1.0.70 [INFO] [stderr] Compiling procedural-masquerade v0.1.2 [INFO] [stderr] Checking entities v1.0.0 [INFO] [stderr] Checking ascii v0.7.1 [INFO] [stderr] Checking typed-arena v1.3.0 [INFO] [stderr] Checking unicode_categories v0.1.1 [INFO] [stderr] Compiling rand v0.3.17 [INFO] [stderr] Checking term_size v0.3.0 [INFO] [stderr] Checking memchr v1.0.1 [INFO] [stderr] Checking time v0.1.38 [INFO] [stderr] Checking memchr v0.1.11 [INFO] [stderr] Compiling proc-macro2 v0.4.9 [INFO] [stderr] Checking base64 v0.7.0 [INFO] [stderr] Checking uuid v0.1.18 [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 textwrap v0.8.0 [INFO] [stderr] Checking aho-corasick v0.6.3 [INFO] [stderr] Checking twoway v0.1.3 [INFO] [stderr] Checking url v0.2.38 [INFO] [stderr] Checking tendril v0.4.0 [INFO] [stderr] Checking chrono v0.2.25 [INFO] [stderr] Compiling phf_generator v0.7.21 [INFO] [stderr] Compiling quote v0.6.4 [INFO] [stderr] Checking clap v2.26.2 [INFO] [stderr] Checking regex v0.2.2 [INFO] [stderr] Compiling syn v0.14.5 [INFO] [stderr] Compiling phf_codegen v0.7.21 [INFO] [stderr] Compiling string_cache_codegen v0.4.0 [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/rustwide/target/debug/build/mime_guess-94bbe1ff8396883e/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:1165:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55fe16929da4 - backtrace::backtrace::libunwind::trace::h14dfaa7b4b7da907 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x55fe16929da4 - backtrace::backtrace::trace_unsynchronized::hdb0fcb36bd91e7b1 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55fe16929da4 - std::sys_common::backtrace::_print_fmt::hcf7905a3a69ef6ef [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:76 [INFO] [stderr] 3: 0x55fe16929da4 - ::fmt::h1d652799221364ff [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:60 [INFO] [stderr] 4: 0x55fe1694330c - core::fmt::write::h123c1219d03dc2b2 [INFO] [stderr] at src/libcore/fmt/mod.rs:1030 [INFO] [stderr] 5: 0x55fe169285b7 - std::io::Write::write_fmt::h1dd67bc0a861a8a1 [INFO] [stderr] at src/libstd/io/mod.rs:1412 [INFO] [stderr] 6: 0x55fe1692c125 - std::sys_common::backtrace::_print::h906393f990c77027 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:64 [INFO] [stderr] 7: 0x55fe1692c125 - std::sys_common::backtrace::print::h5760dd4bb9d97089 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x55fe1692c125 - std::panicking::default_hook::{{closure}}::h9c8250816dd18f0a [INFO] [stderr] at src/libstd/panicking.rs:196 [INFO] [stderr] 9: 0x55fe1692be16 - std::panicking::default_hook::h3e97ab45acb236f1 [INFO] [stderr] at src/libstd/panicking.rs:210 [INFO] [stderr] 10: 0x55fe1692c775 - std::panicking::rust_panic_with_hook::hfd8c6048abefa5d1 [INFO] [stderr] at src/libstd/panicking.rs:473 [INFO] [stderr] 11: 0x55fe1692c312 - std::panicking::continue_panic_fmt::h7778586face20ea0 [INFO] [stderr] at src/libstd/panicking.rs:380 [INFO] [stderr] 12: 0x55fe1692c206 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:307 [INFO] [stderr] 13: 0x55fe16940cda - core::panicking::panic_fmt::ha8adde723bf3802d [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 14: 0x55fe16940dd7 - core::result::unwrap_failed::hf6a6f53f1c4931c8 [INFO] [stderr] at src/libcore/result.rs:1165 [INFO] [stderr] 15: 0x55fe168f2370 - core::result::Result::unwrap::h05739be264ef232d [INFO] [stderr] at /rustc/23f8f652bcea053b70c0030008941f5f8476b5a0/src/libcore/result.rs:933 [INFO] [stderr] 16: 0x55fe168f4085 - build_script_gen_mime_types::main::hd28b10a6afc00f63 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mime_guess-1.8.2/src/gen_mime_types.rs:22 [INFO] [stderr] 17: 0x55fe16904ff0 - std::rt::lang_start::{{closure}}::h53d5d68e43b2294c [INFO] [stderr] at /rustc/23f8f652bcea053b70c0030008941f5f8476b5a0/src/libstd/rt.rs:64 [INFO] [stderr] 18: 0x55fe1692c1f3 - std::rt::lang_start_internal::{{closure}}::hafe4631cc0633d40 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 19: 0x55fe1692c1f3 - std::panicking::try::do_call::h717827b47231de13 [INFO] [stderr] at src/libstd/panicking.rs:292 [INFO] [stderr] 20: 0x55fe1692e10a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:80 [INFO] [stderr] 21: 0x55fe1692cc6d - std::panicking::try::h389045103d38e408 [INFO] [stderr] at src/libstd/panicking.rs:271 [INFO] [stderr] 22: 0x55fe1692cc6d - std::panic::catch_unwind::hcca2ee11418f038b [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 23: 0x55fe1692cc6d - std::rt::lang_start_internal::hc0e13ab06870c4ba [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 24: 0x55fe16904fc9 - std::rt::lang_start::hf09bb9d0e7c95245 [INFO] [stderr] at /rustc/23f8f652bcea053b70c0030008941f5f8476b5a0/src/libstd/rt.rs:64 [INFO] [stderr] 25: 0x55fe168f560a - main [INFO] [stderr] 26: 0x7f8885a07b97 - __libc_start_main [INFO] [stderr] 27: 0x55fe168ca96a - _start [INFO] [stderr] 28: 0x0 - [INFO] [stderr] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "b5980a459edef94df45a1d83b9a9f647254b644ccbf9373f22316d62a9a5de77"` [INFO] running `"docker" "rm" "-f" "b5980a459edef94df45a1d83b9a9f647254b644ccbf9373f22316d62a9a5de77"` [INFO] [stdout] b5980a459edef94df45a1d83b9a9f647254b644ccbf9373f22316d62a9a5de77