[INFO] updating cached repository lise-henry/crowbook
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/lise-henry/crowbook
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/lise-henry/crowbook" "work/ex/beta-1.37-6/sources/1.36.0/gh/lise-henry/crowbook"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/lise-henry/crowbook'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lise-henry/crowbook" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/lise-henry/crowbook"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/lise-henry/crowbook'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5f835520b0cd1715e295ced8e9eafede834d1675
[INFO] sha for GitHub repo lise-henry/crowbook: 5f835520b0cd1715e295ced8e9eafede834d1675
[INFO] validating manifest of lise-henry/crowbook on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of lise-henry/crowbook on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing lise-henry/crowbook
[INFO] finished frobbing lise-henry/crowbook
[INFO] frobbed toml for lise-henry/crowbook written to work/ex/beta-1.37-6/sources/1.36.0/gh/lise-henry/crowbook/Cargo.toml
[INFO] started frobbing lise-henry/crowbook
[INFO] finished frobbing lise-henry/crowbook
[INFO] frobbed toml for lise-henry/crowbook written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/lise-henry/crowbook/Cargo.toml
[INFO] crate lise-henry/crowbook already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing lise-henry/crowbook against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/lise-henry/crowbook:/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=warn" "-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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] f0edc7e1d96e7cba1508d78f3b1dc17a0269c7eb04b57c8e89ffac68aac38104
[INFO] running `"docker" "start" "-a" "f0edc7e1d96e7cba1508d78f3b1dc17a0269c7eb04b57c8e89ffac68aac38104"`
[INFO] [stderr]    Compiling numerals v0.1.2
[INFO] [stderr]    Compiling bincode v1.1.2
[INFO] [stderr]    Compiling onig_sys v69.1.0
[INFO] [stderr]    Compiling stemmer v0.3.2
[INFO] [stderr]    Compiling line-wrap v0.1.1
[INFO] [stderr]    Compiling crowbook-intl-runtime v0.1.0
[INFO] [stderr]    Compiling yaml-rust v0.4.3
[INFO] [stderr]    Compiling termios v0.3.1
[INFO] [stderr]    Compiling clicolors-control v1.0.0
[INFO] [stderr]    Compiling term v0.5.1
[INFO] [stderr]    Compiling mustache v0.9.0
[INFO] [stderr]    Compiling plist v0.4.1
[INFO] [stderr]    Compiling flate2 v1.0.7
[INFO] [stderr]    Compiling tokio-threadpool v0.1.12
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling crowbook-intl v0.2.1
[INFO] [stderr]    Compiling crowbook-text-processing v0.2.7
[INFO] [stderr]    Compiling zip v0.5.1
[INFO] [stderr]    Compiling error-chain v0.12.0
[INFO] [stderr]    Compiling console v0.7.5
[INFO] [stderr]    Compiling simplelog v0.5.3
[INFO] [stderr]    Compiling crowbook v0.15.0-beta2 (/opt/crater/workdir)
[INFO] [stderr]    Compiling epub-builder v0.4.3
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]    Compiling caribon v0.8.1
[INFO] [stderr]    Compiling tokio v0.1.17
[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-0.4.3/src/epub.rs:207:74
[INFO] [stderr]     |
[INFO] [stderr] 207 |         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" "f0edc7e1d96e7cba1508d78f3b1dc17a0269c7eb04b57c8e89ffac68aac38104"`
[INFO] running `"docker" "rm" "-f" "f0edc7e1d96e7cba1508d78f3b1dc17a0269c7eb04b57c8e89ffac68aac38104"`
[INFO] [stdout] f0edc7e1d96e7cba1508d78f3b1dc17a0269c7eb04b57c8e89ffac68aac38104