[INFO] updating cached repository https://github.com/the-lobster/liter2 [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/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] 60c732d2abde946ec49c7822da7ad2818e995942 [INFO] checking the-lobster/liter2 against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthe-lobster%2Fliter2" "work/builds/worker-2/source"` [INFO] [stderr] Cloning into 'work/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/the-lobster/liter2 on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/the-lobster/liter2 [INFO] finished tweaking git repo https://github.com/the-lobster/liter2 [INFO] tweaked toml for git repo https://github.com/the-lobster/liter2 written to work/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/the-lobster/liter2 already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] d585d7d12752349a4f9b7f3f5595a59e479737f159ed1e48581bfbe792c72b37 [INFO] running `"docker" "start" "-a" "d585d7d12752349a4f9b7f3f5595a59e479737f159ed1e48581bfbe792c72b37"` [INFO] [stderr] Checking ego-tree v0.1.1 [INFO] [stderr] Compiling openssl-sys v0.9.25 [INFO] [stderr] Compiling miniz_oxide_c_api v0.1.2 [INFO] [stderr] Compiling bzip2-sys v0.1.6 [INFO] [stderr] Checking termion v1.5.1 [INFO] [stderr] Checking miniz_oxide v0.1.2 [INFO] [stderr] Checking utf-8 v0.6.0 [INFO] [stderr] Checking msdos_time v0.1.5 [INFO] [stderr] Checking quickersort v2.2.0 [INFO] [stderr] Checking serde_json v1.0.9 [INFO] [stderr] Checking clap v2.30.0 [INFO] [stderr] Checking mio v0.6.13 [INFO] [stderr] Checking mustache v0.8.2 [INFO] [stderr] Checking tokio-io v0.1.5 [INFO] [stderr] Checking backtrace-sys v0.1.16 [INFO] [stderr] Checking uuid v0.3.1 [INFO] [stderr] Checking uuid v0.5.1 [INFO] [stderr] Checking cssparser v0.5.8 [INFO] [stderr] Checking backtrace v0.3.5 [INFO] [stderr] Checking remove_dir_all v0.3.0 [INFO] [stderr] Checking tendril v0.2.4 [INFO] [stderr] Checking serde_urlencoded v0.5.1 [INFO] [stderr] Checking chrono v0.2.25 [INFO] [stderr] Checking tokio-core v0.1.12 [INFO] [stderr] Checking error-chain v0.7.2 [INFO] [stderr] Checking error-chain v0.10.0 [INFO] [stderr] Checking failure v0.1.1 [INFO] [stderr] Checking tempdir v0.3.6 [INFO] [stderr] Compiling string_cache v0.2.29 [INFO] [stderr] Checking flate2 v1.0.1 [INFO] [stderr] Compiling openssl v0.9.24 [INFO] [stderr] Compiling mime_guess v2.0.0-alpha.3 [INFO] [stderr] Compiling html5ever v0.5.4 [INFO] [stderr] Checking bzip2 v0.3.2 [INFO] [stderr] Checking tokio-proto v0.1.1 [INFO] [stderr] Checking structopt v0.1.7 [INFO] [stderr] Checking zip v0.2.8 [INFO] [stderr] Checking epub-builder v0.1.2 [INFO] [stderr] error: failed to run custom build command for `mime_guess v2.0.0-alpha.3` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/mime_guess-a510b00e8cec9391/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: 0x55fe55f379a4 - backtrace::backtrace::libunwind::trace::h07e9553c1ad1ecad [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x55fe55f379a4 - backtrace::backtrace::trace_unsynchronized::h9e0e5a535fa6ae0f [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55fe55f379a4 - std::sys_common::backtrace::_print_fmt::h4b577ea24f321ffb [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:77 [INFO] [stderr] 3: 0x55fe55f379a4 - ::fmt::ha28161264835f4f4 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:61 [INFO] [stderr] 4: 0x55fe55f50f0c - core::fmt::write::h4b048b90b965d771 [INFO] [stderr] at src/libcore/fmt/mod.rs:1030 [INFO] [stderr] 5: 0x55fe55f361b7 - std::io::Write::write_fmt::h3a6d100d8a1e388f [INFO] [stderr] at src/libstd/io/mod.rs:1412 [INFO] [stderr] 6: 0x55fe55f39d25 - std::sys_common::backtrace::_print::ha2961e5db1a6da43 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:65 [INFO] [stderr] 7: 0x55fe55f39d25 - std::sys_common::backtrace::print::h3a868732f7f89b17 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:50 [INFO] [stderr] 8: 0x55fe55f39d25 - std::panicking::default_hook::{{closure}}::hb25db4ba1ba588ba [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 9: 0x55fe55f39a16 - std::panicking::default_hook::hf1df3f45e1769771 [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 10: 0x55fe55f3a375 - std::panicking::rust_panic_with_hook::ha0342d3096b3c9ed [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 11: 0x55fe55f39f12 - std::panicking::continue_panic_fmt::hb2f88a6099baa66b [INFO] [stderr] at src/libstd/panicking.rs:384 [INFO] [stderr] 12: 0x55fe55f39e06 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:311 [INFO] [stderr] 13: 0x55fe55f4e8da - core::panicking::panic_fmt::ha4a113bebd34439f [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 14: 0x55fe55f4e9d7 - core::result::unwrap_failed::hefab55c2e35154b2 [INFO] [stderr] at src/libcore/result.rs:1165 [INFO] [stderr] 15: 0x55fe55eff340 - core::result::Result::unwrap::h13c1a5352e940022 [INFO] [stderr] at /rustc/c9edc02e8320a9e5799d185910ece7d491f524e6/src/libcore/result.rs:933 [INFO] [stderr] 16: 0x55fe55f01055 - build_script_gen_mime_types::main::h101b9bbdf5fc85bd [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mime_guess-2.0.0-alpha.3/src/gen_mime_types.rs:22 [INFO] [stderr] 17: 0x55fe55f123a0 - std::rt::lang_start::{{closure}}::h2fbf338267118998 [INFO] [stderr] at /rustc/c9edc02e8320a9e5799d185910ece7d491f524e6/src/libstd/rt.rs:64 [INFO] [stderr] 18: 0x55fe55f39df3 - std::rt::lang_start_internal::{{closure}}::he2a0afb5b578106e [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 19: 0x55fe55f39df3 - std::panicking::try::do_call::h30da202735d45c24 [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 20: 0x55fe55f3bd0a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:80 [INFO] [stderr] 21: 0x55fe55f3a86d - std::panicking::try::h974d473864a5ddd4 [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 22: 0x55fe55f3a86d - std::panic::catch_unwind::h3bd08da23b55a60b [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 23: 0x55fe55f3a86d - std::rt::lang_start_internal::hf97f79993a3eaf6a [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 24: 0x55fe55f12379 - std::rt::lang_start::h99d649a24f0769a8 [INFO] [stderr] at /rustc/c9edc02e8320a9e5799d185910ece7d491f524e6/src/libstd/rt.rs:64 [INFO] [stderr] 25: 0x55fe55f025da - main [INFO] [stderr] 26: 0x7f3f1292a2e1 - __libc_start_main [INFO] [stderr] 27: 0x55fe55ed780a - _start [INFO] [stderr] 28: 0x0 - [INFO] [stderr] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error[E0283]: type annotations required: cannot resolve `std::string::String: std::convert::AsRef<_>` [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/epub-builder-0.1.2/src/epub.rs:208:74 [INFO] [stderr] | [INFO] [stderr] 208 | self.toc.add(TocElement::new("toc.xhtml", self.metadata.toc_name.as_ref())); [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0283`. [INFO] [stderr] error: Could not compile `epub-builder`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "d585d7d12752349a4f9b7f3f5595a59e479737f159ed1e48581bfbe792c72b37"` [INFO] running `"docker" "rm" "-f" "d585d7d12752349a4f9b7f3f5595a59e479737f159ed1e48581bfbe792c72b37"` [INFO] [stdout] d585d7d12752349a4f9b7f3f5595a59e479737f159ed1e48581bfbe792c72b37