[INFO] crate epub-builder 0.4.4 is already in cache
[INFO] extracting crate epub-builder 0.4.4 into work/ex/beta-1.38-1/sources/1.37.0/reg/epub-builder/0.4.4
[INFO] extracting crate epub-builder 0.4.4 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/epub-builder/0.4.4
[INFO] validating manifest of epub-builder-0.4.4 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of epub-builder-0.4.4 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing epub-builder-0.4.4
[INFO] finished frobbing epub-builder-0.4.4
[INFO] frobbed toml for epub-builder-0.4.4 written to work/ex/beta-1.38-1/sources/1.37.0/reg/epub-builder/0.4.4/Cargo.toml
[INFO] started frobbing epub-builder-0.4.4
[INFO] finished frobbing epub-builder-0.4.4
[INFO] frobbed toml for epub-builder-0.4.4 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/epub-builder/0.4.4/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing epub-builder-0.4.4 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/epub-builder/0.4.4:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 9e05f255816276f6440b0c4f045a1731242f18dab84a9512e7f32ffe85399678
[INFO] running `"docker" "start" "-a" "9e05f255816276f6440b0c4f045a1731242f18dab84a9512e7f32ffe85399678"`
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]    Compiling mustache v0.9.0
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]    Compiling zip v0.5.3
[INFO] [stderr]    Compiling epub-builder v0.4.4 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.58s
[INFO] running `"docker" "inspect" "9e05f255816276f6440b0c4f045a1731242f18dab84a9512e7f32ffe85399678"`
[INFO] running `"docker" "rm" "-f" "9e05f255816276f6440b0c4f045a1731242f18dab84a9512e7f32ffe85399678"`
[INFO] [stdout] 9e05f255816276f6440b0c4f045a1731242f18dab84a9512e7f32ffe85399678
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/epub-builder/0.4.4:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] b3cabdc53aaf55a9aaad54403c05967f948bdbd3a3cbe47ec08cf49957c8738e
[INFO] running `"docker" "start" "-a" "b3cabdc53aaf55a9aaad54403c05967f948bdbd3a3cbe47ec08cf49957c8738e"`
[INFO] [stderr]    Compiling epub-builder v0.4.4 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.21s
[INFO] running `"docker" "inspect" "b3cabdc53aaf55a9aaad54403c05967f948bdbd3a3cbe47ec08cf49957c8738e"`
[INFO] running `"docker" "rm" "-f" "b3cabdc53aaf55a9aaad54403c05967f948bdbd3a3cbe47ec08cf49957c8738e"`
[INFO] [stdout] b3cabdc53aaf55a9aaad54403c05967f948bdbd3a3cbe47ec08cf49957c8738e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/epub-builder/0.4.4:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 73071dcc0e4f97b581341e976b851ef23be3db5c6d02f28e69dd92497f7c522c
[INFO] running `"docker" "start" "-a" "73071dcc0e4f97b581341e976b851ef23be3db5c6d02f28e69dd92497f7c522c"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/epub_builder-26087a85d3e2ed0f
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test toc::toc_epub_simple_sublevels ... ok
[INFO] [stdout] test toc::toc_epub_simple ... ok
[INFO] [stdout] test toc::toc_epub_broken_sublevels ... ok
[INFO] [stdout] test common::test_escape ... ok
[INFO] [stdout] test zip_command::zip_ok ... ok
[INFO] [stdout] test zip_command::zip_creation ... ok
[INFO] [stdout] test toc::toc_simple ... ok
[INFO] [stdout] test zip_command::zip_not_ok ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests epub_builder
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test src/lib.rs -  (line 23) ... ignored
[INFO] [stdout] test src/toc.rs - toc::Toc (line 166) ... ok
[INFO] [stdout] test src/epub_content.rs - epub_content::EpubContent<R>::reftype (line 126) ... ok
[INFO] [stdout] test src/epub.rs - epub::EpubBuilder<Z>::add_content (line 279) ... ok
[INFO] [stdout] test src/epub.rs - epub::EpubBuilder (line 101) ... ok
[INFO] [stdout] test src/epub_content.rs - epub_content::EpubContent (line 61) ... ok
[INFO] [stdout] test src/epub.rs - epub::EpubBuilder<Z>::add_content (line 290) ... ok
[INFO] [stdout] test src/epub.rs - epub::EpubBuilder<Z>::add_content (line 271) ... ok
[INFO] [stdout] test src/toc.rs - toc::Toc::add (line 208) ... ok
[INFO] [stdout] test src/epub.rs - epub::EpubBuilder<Z>::generate (line 328) ... ok
[INFO] [stdout] test src/toc.rs - toc::TocElement (line 9) ... ok
[INFO] [stdout] test src/toc.rs - toc::TocElement::child (line 65) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "73071dcc0e4f97b581341e976b851ef23be3db5c6d02f28e69dd92497f7c522c"`
[INFO] running `"docker" "rm" "-f" "73071dcc0e4f97b581341e976b851ef23be3db5c6d02f28e69dd92497f7c522c"`
[INFO] [stdout] 73071dcc0e4f97b581341e976b851ef23be3db5c6d02f28e69dd92497f7c522c