[INFO] fetching crate fid 0.1.4...
[INFO] extracting crate fid 0.1.4 into work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/fid/0.1.4
[INFO] extracting crate fid 0.1.4 into work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/reg/fid/0.1.4
[INFO] validating manifest of fid-0.1.4 on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of fid-0.1.4 on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-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-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/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-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/reg/fid/0.1.4/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking fid-0.1.4 against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-4/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] db2c01638521dc07cc8e43eb91f9b08ae67238b2c26dbc3901878be8a836ced8
[INFO] running `"docker" "start" "-a" "db2c01638521dc07cc8e43eb91f9b08ae67238b2c26dbc3901878be8a836ced8"`
[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 3.37s
[INFO] running `"docker" "inspect" "db2c01638521dc07cc8e43eb91f9b08ae67238b2c26dbc3901878be8a836ced8"`
[INFO] running `"docker" "rm" "-f" "db2c01638521dc07cc8e43eb91f9b08ae67238b2c26dbc3901878be8a836ced8"`
[INFO] [stdout] db2c01638521dc07cc8e43eb91f9b08ae67238b2c26dbc3901878be8a836ced8