Dec 18 16:43:42.930 INFO checking epub-builder-0.4.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 16:43:42.930 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/epub-builder/0.4.0:/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=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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 16:43:43.113 INFO [stdout] 4f46f0e226322fe5aa49b82e3005a98914212e897fe2c1e343b5174905efbf38
Dec 18 16:43:43.114 INFO running `"docker" "start" "-a" "4f46f0e226322fe5aa49b82e3005a98914212e897fe2c1e343b5174905efbf38"`
Dec 18 16:43:43.864 INFO [stderr]     Checking zip v0.4.2
Dec 18 16:43:44.864 INFO [stderr]     Checking epub-builder v0.4.0 (/opt/crater/workdir)
Dec 18 16:43:45.852 INFO [stderr] warning: doc comment not used by rustdoc
Dec 18 16:43:45.852 INFO [stderr]    --> src/epub.rs:340:9
Dec 18 16:43:45.852 INFO [stderr]     |
Dec 18 16:43:45.852 INFO [stderr] 340 |         /// Render content.opf
Dec 18 16:43:45.852 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^
Dec 18 16:43:45.852 INFO [stderr]     |
Dec 18 16:43:45.852 INFO [stderr]     = note: #[warn(unused_doc_comments)] on by default
Dec 18 16:43:45.852 INFO [stderr] 
Dec 18 16:43:45.852 INFO [stderr] warning: doc comment not used by rustdoc
Dec 18 16:43:45.852 INFO [stderr]    --> src/epub.rs:343:9
Dec 18 16:43:45.852 INFO [stderr]     |
Dec 18 16:43:45.852 INFO [stderr] 343 |         /// Render toc.ncx
Dec 18 16:43:45.852 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^
Dec 18 16:43:45.852 INFO [stderr] 
Dec 18 16:43:45.956 INFO [stderr] warning: doc comment not used by rustdoc
Dec 18 16:43:45.956 INFO [stderr]    --> src/epub.rs:340:9
Dec 18 16:43:45.956 INFO [stderr]     |
Dec 18 16:43:45.956 INFO [stderr] 340 |         /// Render content.opf
Dec 18 16:43:45.956 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^
Dec 18 16:43:45.956 INFO [stderr]     |
Dec 18 16:43:45.956 INFO [stderr]     = note: #[warn(unused_doc_comments)] on by default
Dec 18 16:43:45.956 INFO [stderr] 
Dec 18 16:43:45.956 INFO [stderr] warning: doc comment not used by rustdoc
Dec 18 16:43:45.956 INFO [stderr]    --> src/epub.rs:343:9
Dec 18 16:43:45.956 INFO [stderr]     |
Dec 18 16:43:45.956 INFO [stderr] 343 |         /// Render toc.ncx
Dec 18 16:43:45.956 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^
Dec 18 16:43:45.956 INFO [stderr] 
Dec 18 16:43:46.196 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 18 16:43:46.196 INFO [stderr]   --> src/errors.rs:7:1
Dec 18 16:43:46.196 INFO [stderr]    |
Dec 18 16:43:46.196 INFO [stderr] 7  | / error_chain! {
Dec 18 16:43:46.196 INFO [stderr] 8  | |     foreign_links {
Dec 18 16:43:46.196 INFO [stderr] 9  | |         Fmt(::std::fmt::Error);
Dec 18 16:43:46.196 INFO [stderr] 10 | |     }
Dec 18 16:43:46.196 INFO [stderr] 11 | | }
Dec 18 16:43:46.196 INFO [stderr]    | |_^
Dec 18 16:43:46.196 INFO [stderr]    |
Dec 18 16:43:46.196 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 18 16:43:46.196 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 18 16:43:46.196 INFO [stderr] 
Dec 18 16:43:46.200 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 18 16:43:46.200 INFO [stderr]   --> src/errors.rs:7:1
Dec 18 16:43:46.200 INFO [stderr]    |
Dec 18 16:43:46.200 INFO [stderr] 7  | / error_chain! {
Dec 18 16:43:46.200 INFO [stderr] 8  | |     foreign_links {
Dec 18 16:43:46.200 INFO [stderr] 9  | |         Fmt(::std::fmt::Error);
Dec 18 16:43:46.200 INFO [stderr] 10 | |     }
Dec 18 16:43:46.200 INFO [stderr] 11 | | }
Dec 18 16:43:46.200 INFO [stderr]    | |_^
Dec 18 16:43:46.200 INFO [stderr]    |
Dec 18 16:43:46.200 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 18 16:43:46.200 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 18 16:43:46.200 INFO [stderr] 
Dec 18 16:43:47.163 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.46s
Dec 18 16:43:47.486 INFO running `"docker" "inspect" "4f46f0e226322fe5aa49b82e3005a98914212e897fe2c1e343b5174905efbf38"`
Dec 18 16:43:47.581 INFO running `"docker" "rm" "-f" "4f46f0e226322fe5aa49b82e3005a98914212e897fe2c1e343b5174905efbf38"`
Dec 18 16:43:47.722 INFO [stdout] 4f46f0e226322fe5aa49b82e3005a98914212e897fe2c1e343b5174905efbf38