[INFO] crate fid 0.1.4 is already in cache
[INFO] extracting crate fid 0.1.4 into work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/fid/0.1.4
[INFO] extracting crate fid 0.1.4 into work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/fid/0.1.4
[INFO] validating manifest of fid-0.1.4 on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of fid-0.1.4 on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing fid-0.1.4
[INFO] finished frobbing fid-0.1.4
[INFO] frobbed toml for fid-0.1.4 written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/fid/0.1.4/Cargo.toml
[INFO] started frobbing fid-0.1.4
[INFO] finished frobbing fid-0.1.4
[INFO] frobbed toml for fid-0.1.4 written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/fid/0.1.4/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking fid-0.1.4 against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-1/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/fid/0.1.4:/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=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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3f70b22a2b80ab3b1b99059dfe61bd9aee9a70d0956c20aa63544900e48e7d4d
[INFO] running `"docker" "start" "-a" "3f70b22a2b80ab3b1b99059dfe61bd9aee9a70d0956c20aa63544900e48e7d4d"`
[INFO] [stderr]    Compiling fid v0.1.4 (/opt/crater/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/bit_vector.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | / /// Include two constant arrays generated by `build.rs`.
[INFO] [stderr] 14 | | /// ```
[INFO] [stderr] 15 | | /// const COMBINATION: [[u64; SBLOCK_WIDTH + 1]; SBLOCK_WIDTH + 1];
[INFO] [stderr] 16 | | /// const CODE_SIZE: [usize; SBLOCK_WIDTH + 1];
[INFO] [stderr] 17 | | /// ```
[INFO] [stderr]    | |_______^
[INFO] [stderr] 18 |   include!(concat!(env!("OUT_DIR"), "/const.rs"));
[INFO] [stderr]    |   ------------------------------------------------ rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/bit_vector.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | / /// Include two constant arrays generated by `build.rs`.
[INFO] [stderr] 14 | | /// ```
[INFO] [stderr] 15 | | /// const COMBINATION: [[u64; SBLOCK_WIDTH + 1]; SBLOCK_WIDTH + 1];
[INFO] [stderr] 16 | | /// const CODE_SIZE: [usize; SBLOCK_WIDTH + 1];
[INFO] [stderr] 17 | | /// ```
[INFO] [stderr]    | |_______^
[INFO] [stderr] 18 |   include!(concat!(env!("OUT_DIR"), "/const.rs"));
[INFO] [stderr]    |   ------------------------------------------------ rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.25s
[INFO] running `"docker" "inspect" "3f70b22a2b80ab3b1b99059dfe61bd9aee9a70d0956c20aa63544900e48e7d4d"`
[INFO] running `"docker" "rm" "-f" "3f70b22a2b80ab3b1b99059dfe61bd9aee9a70d0956c20aa63544900e48e7d4d"`
[INFO] [stdout] 3f70b22a2b80ab3b1b99059dfe61bd9aee9a70d0956c20aa63544900e48e7d4d