[INFO] crate epub-builder 0.4.0 is already in cache
[INFO] extracting crate epub-builder 0.4.0 into work/ex/pr-57483/sources/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1/reg/epub-builder/0.4.0
[INFO] extracting crate epub-builder 0.4.0 into work/ex/pr-57483/sources/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c/reg/epub-builder/0.4.0
[INFO] validating manifest of epub-builder-0.4.0 on toolchain master#2bde39b8edce6463e1c37f8a8082a875e7b536b1
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+2bde39b8edce6463e1c37f8a8082a875e7b536b1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of epub-builder-0.4.0 on toolchain try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0d8b5d1f16bab9e975695518ff8705bdab9fe94c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing epub-builder-0.4.0
[INFO] finished frobbing epub-builder-0.4.0
[INFO] frobbed toml for epub-builder-0.4.0 written to work/ex/pr-57483/sources/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1/reg/epub-builder/0.4.0/Cargo.toml
[INFO] started frobbing epub-builder-0.4.0
[INFO] finished frobbing epub-builder-0.4.0
[INFO] frobbed toml for epub-builder-0.4.0 written to work/ex/pr-57483/sources/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c/reg/epub-builder/0.4.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+2bde39b8edce6463e1c37f8a8082a875e7b536b1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0d8b5d1f16bab9e975695518ff8705bdab9fe94c-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+2bde39b8edce6463e1c37f8a8082a875e7b536b1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0d8b5d1f16bab9e975695518ff8705bdab9fe94c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking epub-builder-0.4.0 against master#2bde39b8edce6463e1c37f8a8082a875e7b536b1 for pr-57483
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57483/worker-1/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57483/sources/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1/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" "+2bde39b8edce6463e1c37f8a8082a875e7b536b1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ded3754a25e4a2d8d6f64f0f1967ae134b9ac864304d9f3247ad581227d4944a
[INFO] running `"docker" "start" "-a" "ded3754a25e4a2d8d6f64f0f1967ae134b9ac864304d9f3247ad581227d4944a"`
[INFO] [stderr]     Checking mustache v0.9.0
[INFO] [stderr]     Checking flate2 v1.0.6
[INFO] [stderr]     Checking zip v0.4.2
[INFO] [stderr]     Checking epub-builder v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]    --> src/epub.rs:340:9
[INFO] [stderr]     |
[INFO] [stderr] 340 |         /// Render content.opf
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]    --> src/epub.rs:343:9
[INFO] [stderr]     |
[INFO] [stderr] 343 |         /// Render toc.ncx
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]    --> src/epub.rs:340:9
[INFO] [stderr]     |
[INFO] [stderr] 340 |         /// Render content.opf
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]    --> src/epub.rs:343:9
[INFO] [stderr]     |
[INFO] [stderr] 343 |         /// Render toc.ncx
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.02s
[INFO] running `"docker" "inspect" "ded3754a25e4a2d8d6f64f0f1967ae134b9ac864304d9f3247ad581227d4944a"`
[INFO] running `"docker" "rm" "-f" "ded3754a25e4a2d8d6f64f0f1967ae134b9ac864304d9f3247ad581227d4944a"`
[INFO] [stdout] ded3754a25e4a2d8d6f64f0f1967ae134b9ac864304d9f3247ad581227d4944a