[INFO] cloning repository the-lobster/liter2 [INFO] running `"git" "clone" "--bare" "git://github.com/the-lobster/liter2.git" "work/cache/sources/gh/the-lobster/liter2"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/the-lobster/liter2'... [INFO] running `"git" "clone" "work/cache/sources/gh/the-lobster/liter2" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/the-lobster/liter2"` [INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/the-lobster/liter2'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/the-lobster/liter2" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/the-lobster/liter2"` [INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/the-lobster/liter2'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 60c732d2abde946ec49c7822da7ad2818e995942 [INFO] sha for GitHub repo the-lobster/liter2: 60c732d2abde946ec49c7822da7ad2818e995942 [INFO] validating manifest of the-lobster/liter2 on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of the-lobster/liter2 on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049 [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing the-lobster/liter2 [INFO] finished frobbing the-lobster/liter2 [INFO] frobbed toml for the-lobster/liter2 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/the-lobster/liter2/Cargo.toml [INFO] started frobbing the-lobster/liter2 [INFO] finished frobbing the-lobster/liter2 [INFO] frobbed toml for the-lobster/liter2 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/the-lobster/liter2/Cargo.toml [INFO] crate the-lobster/liter2 already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded scraper v0.4.0 [INFO] [stderr] Downloaded selectors v0.5.9 [INFO] [stderr] Downloaded cssparser v0.5.8 [INFO] [stderr] Downloaded epub-builder v0.1.2 [INFO] [stderr] Downloaded quickersort v2.2.0 [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] checking the-lobster/liter2 against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008 [INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-3/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/the-lobster/liter2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 36717573a1bfc12b4f21ef7cd7f91c9372b3447a026207177d64da0d55f45514 [INFO] running `"docker" "start" "-a" "36717573a1bfc12b4f21ef7cd7f91c9372b3447a026207177d64da0d55f45514"` [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 num_cpus v1.8.0 [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 futures-cpupool v0.1.8 [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 uuid v0.3.1 [INFO] [stderr] Checking uuid v0.5.1 [INFO] [stderr] Checking cssparser v0.5.8 [INFO] [stderr] Checking tendril v0.2.4 [INFO] [stderr] Checking chrono v0.2.25 [INFO] [stderr] Compiling phf_generator v0.7.21 [INFO] [stderr] Checking error-chain v0.7.2 [INFO] [stderr] Checking error-chain v0.10.0 [INFO] [stderr] Checking tempdir v0.3.6 [INFO] [stderr] Checking flate2 v1.0.1 [INFO] [stderr] Compiling string_cache v0.2.29 [INFO] [stderr] Compiling phf_codegen v0.7.21 [INFO] [stderr] Compiling openssl v0.9.24 [INFO] [stderr] Checking tokio-core v0.1.12 [INFO] [stderr] Checking bzip2 v0.3.2 [INFO] [stderr] Compiling html5ever v0.5.4 [INFO] [stderr] Compiling mime_guess v2.0.0-alpha.3 [INFO] [stderr] Checking tokio-proto v0.1.1 [INFO] [stderr] Checking zip v0.2.8 [INFO] [stderr] Checking epub-builder v0.1.2 [INFO] [stderr] error[E0283]: type annotations required: cannot resolve `std::string::String: std::convert::AsRef<_>` [INFO] [stderr] --> /opt/crater/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" "36717573a1bfc12b4f21ef7cd7f91c9372b3447a026207177d64da0d55f45514"` [INFO] running `"docker" "rm" "-f" "36717573a1bfc12b4f21ef7cd7f91c9372b3447a026207177d64da0d55f45514"` [INFO] [stdout] 36717573a1bfc12b4f21ef7cd7f91c9372b3447a026207177d64da0d55f45514