[INFO] updating cached repository aticu/ldpsc
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/aticu/ldpsc
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/aticu/ldpsc" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/aticu/ldpsc"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/aticu/ldpsc'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/aticu/ldpsc" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/aticu/ldpsc"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/aticu/ldpsc'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 13beff18119e67a4f0d741144a56bb3ebade80f7
[INFO] sha for GitHub repo aticu/ldpsc: 13beff18119e67a4f0d741144a56bb3ebade80f7
[INFO] validating manifest of aticu/ldpsc on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of aticu/ldpsc on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing aticu/ldpsc
[INFO] finished frobbing aticu/ldpsc
[INFO] frobbed toml for aticu/ldpsc written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/aticu/ldpsc/Cargo.toml
[INFO] started frobbing aticu/ldpsc
[INFO] finished frobbing aticu/ldpsc
[INFO] frobbed toml for aticu/ldpsc written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/aticu/ldpsc/Cargo.toml
[INFO] crate aticu/ldpsc already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking aticu/ldpsc against try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-2/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/aticu/ldpsc:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ada27cda5b45e2f526fb2af282f2c92e3516c16e2960384cbc82f2c924b48d47
[INFO] running `"docker" "start" "-a" "ada27cda5b45e2f526fb2af282f2c92e3516c16e2960384cbc82f2c924b48d47"`
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking nom v4.0.0
[INFO] [stderr]     Checking ldpsc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/c_parser/basic.rs:6:1
[INFO] [stderr]    |
[INFO] [stderr] 6  |   /// Parses a `nondigit` according to the C standard.
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 7  | / named!(pub nondigit,
[INFO] [stderr] 8  | |     recognize!(
[INFO] [stderr] 9  | |         one_of!("_abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ")
[INFO] [stderr] 10 | |     )
[INFO] [stderr] 11 | | );
[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/c_parser/basic.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 |   /// Parses a `hexadecimal-digit` according to the C standard.
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 14 | / named!(pub hexadecimal_digit,
[INFO] [stderr] 15 | |     recognize!(
[INFO] [stderr] 16 | |         one_of!("0123456789abcdefABCDEF")
[INFO] [stderr] 17 | |     )
[INFO] [stderr] 18 | | );
[INFO] [stderr]    | |__- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[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/c_parser/basic.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 |   /// Parses a `digit` according to the C standard.
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 21 | / named!(pub digit,
[INFO] [stderr] 22 | |     recognize!(
[INFO] [stderr] 23 | |         one_of!("0123456789")
[INFO] [stderr] 24 | |     )
[INFO] [stderr] 25 | | );
[INFO] [stderr]    | |__- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[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/c_parser/basic.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 |   /// Parses a `hex-quad` according to the C standard.
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 28 | / named!(pub hex_quad,
[INFO] [stderr] 29 | |     recognize!(
[INFO] [stderr] 30 | |         count_fixed!(
[INFO] [stderr] 31 | |             &[u8],
[INFO] [stderr] ...  |
[INFO] [stderr] 35 | |     )
[INFO] [stderr] 36 | | );
[INFO] [stderr]    | |__- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[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/c_parser/basic.rs:38:1
[INFO] [stderr]    |
[INFO] [stderr] 38 |   /// Parses a `universal-character-name` according to the C standard.
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 39 | / named!(pub universal_character_name,
[INFO] [stderr] 40 | |     alt!(
[INFO] [stderr] 41 | |         recognize!(
[INFO] [stderr] 42 | |             tuple!(
[INFO] [stderr] ...  |
[INFO] [stderr] 57 | |     )
[INFO] [stderr] 58 | | );
[INFO] [stderr]    | |__- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[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/c_parser/basic.rs:60:1
[INFO] [stderr]    |
[INFO] [stderr] 60 |   /// Parses an `identifier-nondigit` according to the C standard.
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 61 | / named!(pub identifier_nondigit,
[INFO] [stderr] 62 | |     recognize!(
[INFO] [stderr] 63 | |         alt!(
[INFO] [stderr] 64 | |             nondigit |
[INFO] [stderr] ...  |
[INFO] [stderr] 67 | |     )
[INFO] [stderr] 68 | | );
[INFO] [stderr]    | |__- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[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/c_parser/basic.rs:70:1
[INFO] [stderr]    |
[INFO] [stderr] 70 |   /// Parses an `identifier` according to the C standard.
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 71 | / named!(pub identifier,
[INFO] [stderr] 72 | |     recognize!(
[INFO] [stderr] 73 | |         pair!(
[INFO] [stderr] 74 | |             identifier_nondigit,
[INFO] [stderr] ...  |
[INFO] [stderr] 82 | |     )
[INFO] [stderr] 83 | | );
[INFO] [stderr]    | |__- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[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/c_parser/mod.rs:243:1
[INFO] [stderr]     |
[INFO] [stderr] 243 | / /// Parses a C function.
[INFO] [stderr] 244 | | ///
[INFO] [stderr] 245 | | /// # Note
[INFO] [stderr] 246 | | /// This does not yet correspond to the C standard and just supports a subset of possible functions.
[INFO] [stderr]     | |____________________________________________________________________________________________________^
[INFO] [stderr] 247 | / named!(function<&[u8], Function>,
[INFO] [stderr] 248 | |     do_parse!(
[INFO] [stderr] 249 | |         return_type: parse_type >>
[INFO] [stderr] 250 | |         opt!(multispace) >>
[INFO] [stderr] ...   |
[INFO] [stderr] 281 | |     )
[INFO] [stderr] 282 | | );
[INFO] [stderr]     | |__- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[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/c_parser/mod.rs:284:1
[INFO] [stderr]     |
[INFO] [stderr] 284 | / /// Parses a C type.
[INFO] [stderr] 285 | | ///
[INFO] [stderr] 286 | | /// # Note
[INFO] [stderr] 287 | | /// This does not yet correspond to the C standard and just supports a subset of possible types.
[INFO] [stderr]     | |________________________________________________________________________________________________^
[INFO] [stderr] 288 | / named!(parse_type<&[u8], Type>,
[INFO] [stderr] 289 | |     map!(
[INFO] [stderr] 290 | |         tuple!(
[INFO] [stderr] 291 | |             many0!(
[INFO] [stderr] ...   |
[INFO] [stderr] 345 | |     )
[INFO] [stderr] 346 | | );
[INFO] [stderr]     | |__- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[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/c_parser/basic.rs:6:1
[INFO] [stderr]    |
[INFO] [stderr] 6  |   /// Parses a `nondigit` according to the C standard.
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 7  | / named!(pub nondigit,
[INFO] [stderr] 8  | |     recognize!(
[INFO] [stderr] 9  | |         one_of!("_abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ")
[INFO] [stderr] 10 | |     )
[INFO] [stderr] 11 | | );
[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/c_parser/basic.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 |   /// Parses a `hexadecimal-digit` according to the C standard.
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 14 | / named!(pub hexadecimal_digit,
[INFO] [stderr] 15 | |     recognize!(
[INFO] [stderr] 16 | |         one_of!("0123456789abcdefABCDEF")
[INFO] [stderr] 17 | |     )
[INFO] [stderr] 18 | | );
[INFO] [stderr]    | |__- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[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/c_parser/basic.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 |   /// Parses a `digit` according to the C standard.
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 21 | / named!(pub digit,
[INFO] [stderr] 22 | |     recognize!(
[INFO] [stderr] 23 | |         one_of!("0123456789")
[INFO] [stderr] 24 | |     )
[INFO] [stderr] 25 | | );
[INFO] [stderr]    | |__- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[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/c_parser/basic.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 |   /// Parses a `hex-quad` according to the C standard.
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 28 | / named!(pub hex_quad,
[INFO] [stderr] 29 | |     recognize!(
[INFO] [stderr] 30 | |         count_fixed!(
[INFO] [stderr] 31 | |             &[u8],
[INFO] [stderr] ...  |
[INFO] [stderr] 35 | |     )
[INFO] [stderr] 36 | | );
[INFO] [stderr]    | |__- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[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/c_parser/basic.rs:38:1
[INFO] [stderr]    |
[INFO] [stderr] 38 |   /// Parses a `universal-character-name` according to the C standard.
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 39 | / named!(pub universal_character_name,
[INFO] [stderr] 40 | |     alt!(
[INFO] [stderr] 41 | |         recognize!(
[INFO] [stderr] 42 | |             tuple!(
[INFO] [stderr] ...  |
[INFO] [stderr] 57 | |     )
[INFO] [stderr] 58 | | );
[INFO] [stderr]    | |__- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[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/c_parser/basic.rs:60:1
[INFO] [stderr]    |
[INFO] [stderr] 60 |   /// Parses an `identifier-nondigit` according to the C standard.
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 61 | / named!(pub identifier_nondigit,
[INFO] [stderr] 62 | |     recognize!(
[INFO] [stderr] 63 | |         alt!(
[INFO] [stderr] 64 | |             nondigit |
[INFO] [stderr] ...  |
[INFO] [stderr] 67 | |     )
[INFO] [stderr] 68 | | );
[INFO] [stderr]    | |__- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[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/c_parser/basic.rs:70:1
[INFO] [stderr]    |
[INFO] [stderr] 70 |   /// Parses an `identifier` according to the C standard.
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 71 | / named!(pub identifier,
[INFO] [stderr] 72 | |     recognize!(
[INFO] [stderr] 73 | |         pair!(
[INFO] [stderr] 74 | |             identifier_nondigit,
[INFO] [stderr] ...  |
[INFO] [stderr] 82 | |     )
[INFO] [stderr] 83 | | );
[INFO] [stderr]    | |__- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[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/c_parser/mod.rs:243:1
[INFO] [stderr]     |
[INFO] [stderr] 243 | / /// Parses a C function.
[INFO] [stderr] 244 | | ///
[INFO] [stderr] 245 | | /// # Note
[INFO] [stderr] 246 | | /// This does not yet correspond to the C standard and just supports a subset of possible functions.
[INFO] [stderr]     | |____________________________________________________________________________________________________^
[INFO] [stderr] 247 | / named!(function<&[u8], Function>,
[INFO] [stderr] 248 | |     do_parse!(
[INFO] [stderr] 249 | |         return_type: parse_type >>
[INFO] [stderr] 250 | |         opt!(multispace) >>
[INFO] [stderr] ...   |
[INFO] [stderr] 281 | |     )
[INFO] [stderr] 282 | | );
[INFO] [stderr]     | |__- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[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/c_parser/mod.rs:284:1
[INFO] [stderr]     |
[INFO] [stderr] 284 | / /// Parses a C type.
[INFO] [stderr] 285 | | ///
[INFO] [stderr] 286 | | /// # Note
[INFO] [stderr] 287 | | /// This does not yet correspond to the C standard and just supports a subset of possible types.
[INFO] [stderr]     | |________________________________________________________________________________________________^
[INFO] [stderr] 288 | / named!(parse_type<&[u8], Type>,
[INFO] [stderr] 289 | |     map!(
[INFO] [stderr] 290 | |         tuple!(
[INFO] [stderr] 291 | |             many0!(
[INFO] [stderr] ...   |
[INFO] [stderr] 345 | |     )
[INFO] [stderr] 346 | | );
[INFO] [stderr]     | |__- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[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 3.28s
[INFO] running `"docker" "inspect" "ada27cda5b45e2f526fb2af282f2c92e3516c16e2960384cbc82f2c924b48d47"`
[INFO] running `"docker" "rm" "-f" "ada27cda5b45e2f526fb2af282f2c92e3516c16e2960384cbc82f2c924b48d47"`
[INFO] [stdout] ada27cda5b45e2f526fb2af282f2c92e3516c16e2960384cbc82f2c924b48d47