[INFO] crate can-dbc 2.2.0 is already in cache
[INFO] extracting crate can-dbc 2.2.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/can-dbc/2.2.0
[INFO] extracting crate can-dbc 2.2.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/can-dbc/2.2.0
[INFO] validating manifest of can-dbc-2.2.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of can-dbc-2.2.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing can-dbc-2.2.0
[INFO] finished frobbing can-dbc-2.2.0
[INFO] frobbed toml for can-dbc-2.2.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/can-dbc/2.2.0/Cargo.toml
[INFO] started frobbing can-dbc-2.2.0
[INFO] finished frobbing can-dbc-2.2.0
[INFO] frobbed toml for can-dbc-2.2.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/can-dbc/2.2.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing can-dbc-2.2.0 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/can-dbc/2.2.0:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] cd7ae34b827f3de8bfa87e5de0a6da3f8d2b2e078f2f76c83f3728d8e4fcb9b7
[INFO] running `"docker" "start" "-a" "cd7ae34b827f3de8bfa87e5de0a6da3f8d2b2e078f2f76c83f3728d8e4fcb9b7"`
[INFO] [stderr]    Compiling derive-getters v0.0.7
[INFO] [stderr]    Compiling can-dbc v2.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/parser.rs:493:1
[INFO] [stderr]     |
[INFO] [stderr] 493 | /// Multi space
[INFO] [stderr]     | ^^^^^^^^^^^^^^^
[INFO] [stderr] 494 | named!(multispace1<CompleteByteSlice, Vec<char>>, many1!(char!(' ')));
[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/parser.rs:496:1
[INFO] [stderr]     |
[INFO] [stderr] 496 | /// Abreviation for multispace1
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 497 | named!(ms<CompleteByteSlice, Vec<char>>, many1!(char!(' ')));
[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/parser.rs:499:1
[INFO] [stderr]     |
[INFO] [stderr] 499 | /// Colon
[INFO] [stderr]     | ^^^^^^^^^
[INFO] [stderr] 500 | named!(colon<CompleteByteSlice, char>, char!(':'));
[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/parser.rs:502:1
[INFO] [stderr]     |
[INFO] [stderr] 502 | /// Comma aka ','
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 503 | named!(comma<CompleteByteSlice, char>, char!(','));
[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/parser.rs:505:1
[INFO] [stderr]     |
[INFO] [stderr] 505 | /// Comma aka ';'
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 506 | named!(semi_colon<CompleteByteSlice, char>, char!(';'));
[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/parser.rs:508:1
[INFO] [stderr]     |
[INFO] [stderr] 508 | /// Quote aka '"'
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 509 | named!(quote<CompleteByteSlice, char>, char!('"'));
[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/parser.rs:515:1
[INFO] [stderr]     |
[INFO] [stderr] 515 | /// brace open aka '('
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 516 | named!(brc_open<CompleteByteSlice, char>, char!('('));
[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/parser.rs:518:1
[INFO] [stderr]     |
[INFO] [stderr] 518 | /// brace close aka '('
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 519 | named!(brc_close<CompleteByteSlice, char>, char!(')'));
[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/parser.rs:521:1
[INFO] [stderr]     |
[INFO] [stderr] 521 | /// bracket open aka '['
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 522 | named!(brk_open<CompleteByteSlice, char>, char!('['));
[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/parser.rs:524:1
[INFO] [stderr]     |
[INFO] [stderr] 524 | /// bracket close aka ']'
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 525 | named!(brk_close<CompleteByteSlice, char>, char!(']'));
[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/parser.rs:527:1
[INFO] [stderr]     |
[INFO] [stderr] 527 | / /// A valid C_identifier. C_identifiers start with a  alphacharacter or an underscore
[INFO] [stderr] 528 | | /// and may further consist of alpha­numeric, characters and underscore
[INFO] [stderr]     | |_______________________________________________________________________^
[INFO] [stderr] 529 | / named!(c_ident<CompleteByteSlice, String>,
[INFO] [stderr] 530 | |     map_res!(
[INFO] [stderr] 531 | |         recognize!(
[INFO] [stderr] 532 | |             do_parse!(
[INFO] [stderr] ...   |
[INFO] [stderr] 539 | |     )
[INFO] [stderr] 540 | | );
[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/parser.rs:843:1
[INFO] [stderr]     |
[INFO] [stderr] 843 | /// 9 Environment Variable Definitions
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 844 | named!(pub env_var_type<CompleteByteSlice, EnvType>, alt_complete!(env_float | env_int | env_data));
[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/parser.rs:851:1
[INFO] [stderr]     |
[INFO] [stderr] 851 |   /// 9 Environment Variable Definitions
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 852 | / named!(pub access_type<CompleteByteSlice, AccessType>,
[INFO] [stderr] 853 | |     do_parse!(
[INFO] [stderr] 854 | |               tag!("DUMMY_NODE_VECTOR") >>
[INFO] [stderr] 855 | |         node: alt_complete!(dummy_node_vector_0 | dummy_node_vector_1 | dummy_node_vector_2 | dummy_node_vector_3) >>
[INFO] [stderr] 856 | |         (node)
[INFO] [stderr] 857 | |     )
[INFO] [stderr] 858 | | );
[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/parser.rs:863:1
[INFO] [stderr]     |
[INFO] [stderr] 863 | /// 9 Environment Variable Definitions
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 864 | named!(pub access_node<CompleteByteSlice, AccessNode>, alt_complete!(access_node_vector_xxx | access_node_name));
[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/parser.rs:866:1
[INFO] [stderr]     |
[INFO] [stderr] 866 |   /// 9 Environment Variable Definitions
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 867 | / named!(pub environment_variable<CompleteByteSlice, EnvironmentVariable>,
[INFO] [stderr] 868 | |     do_parse!(
[INFO] [stderr] 869 | |                        multispace0                                  >>
[INFO] [stderr] 870 | |                        tag!("EV_")                                  >>
[INFO] [stderr] ...   |
[INFO] [stderr] 905 | |     )
[INFO] [stderr] 906 | | );
[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/parser.rs:1152:1
[INFO] [stderr]      |
[INFO] [stderr] 1152 | / ///
[INFO] [stderr] 1153 | | /// Network node
[INFO] [stderr] 1154 | | ///
[INFO] [stderr]      | |___^
[INFO] [stderr] 1155 | / named!(pub node<CompleteByteSlice, Node>,
[INFO] [stderr] 1156 | |     do_parse!(
[INFO] [stderr] 1157 | |             multispace0                           >>
[INFO] [stderr] 1158 | |             tag!("BU_:")                          >>
[INFO] [stderr] ...    |
[INFO] [stderr] 1163 | |     )
[INFO] [stderr] 1164 | | );
[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 5.40s
[INFO] running `"docker" "inspect" "cd7ae34b827f3de8bfa87e5de0a6da3f8d2b2e078f2f76c83f3728d8e4fcb9b7"`
[INFO] running `"docker" "rm" "-f" "cd7ae34b827f3de8bfa87e5de0a6da3f8d2b2e078f2f76c83f3728d8e4fcb9b7"`
[INFO] [stdout] cd7ae34b827f3de8bfa87e5de0a6da3f8d2b2e078f2f76c83f3728d8e4fcb9b7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/can-dbc/2.2.0:/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 976cefbba847eef362a44e1b76b98f131163cb11d72b4de564c77a7fcda7dc83
[INFO] running `"docker" "start" "-a" "976cefbba847eef362a44e1b76b98f131163cb11d72b4de564c77a7fcda7dc83"`
[INFO] [stderr]    Compiling can-dbc v2.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/parser.rs:493:1
[INFO] [stderr]     |
[INFO] [stderr] 493 | /// Multi space
[INFO] [stderr]     | ^^^^^^^^^^^^^^^
[INFO] [stderr] 494 | named!(multispace1<CompleteByteSlice, Vec<char>>, many1!(char!(' ')));
[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/parser.rs:496:1
[INFO] [stderr]     |
[INFO] [stderr] 496 | /// Abreviation for multispace1
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 497 | named!(ms<CompleteByteSlice, Vec<char>>, many1!(char!(' ')));
[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/parser.rs:499:1
[INFO] [stderr]     |
[INFO] [stderr] 499 | /// Colon
[INFO] [stderr]     | ^^^^^^^^^
[INFO] [stderr] 500 | named!(colon<CompleteByteSlice, char>, char!(':'));
[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/parser.rs:502:1
[INFO] [stderr]     |
[INFO] [stderr] 502 | /// Comma aka ','
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 503 | named!(comma<CompleteByteSlice, char>, char!(','));
[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/parser.rs:505:1
[INFO] [stderr]     |
[INFO] [stderr] 505 | /// Comma aka ';'
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 506 | named!(semi_colon<CompleteByteSlice, char>, char!(';'));
[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/parser.rs:508:1
[INFO] [stderr]     |
[INFO] [stderr] 508 | /// Quote aka '"'
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 509 | named!(quote<CompleteByteSlice, char>, char!('"'));
[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/parser.rs:515:1
[INFO] [stderr]     |
[INFO] [stderr] 515 | /// brace open aka '('
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 516 | named!(brc_open<CompleteByteSlice, char>, char!('('));
[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/parser.rs:518:1
[INFO] [stderr]     |
[INFO] [stderr] 518 | /// brace close aka '('
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 519 | named!(brc_close<CompleteByteSlice, char>, char!(')'));
[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/parser.rs:521:1
[INFO] [stderr]     |
[INFO] [stderr] 521 | /// bracket open aka '['
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 522 | named!(brk_open<CompleteByteSlice, char>, char!('['));
[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/parser.rs:524:1
[INFO] [stderr]     |
[INFO] [stderr] 524 | /// bracket close aka ']'
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 525 | named!(brk_close<CompleteByteSlice, char>, char!(']'));
[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/parser.rs:527:1
[INFO] [stderr]     |
[INFO] [stderr] 527 | / /// A valid C_identifier. C_identifiers start with a  alphacharacter or an underscore
[INFO] [stderr] 528 | | /// and may further consist of alpha­numeric, characters and underscore
[INFO] [stderr]     | |_______________________________________________________________________^
[INFO] [stderr] 529 | / named!(c_ident<CompleteByteSlice, String>,
[INFO] [stderr] 530 | |     map_res!(
[INFO] [stderr] 531 | |         recognize!(
[INFO] [stderr] 532 | |             do_parse!(
[INFO] [stderr] ...   |
[INFO] [stderr] 539 | |     )
[INFO] [stderr] 540 | | );
[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/parser.rs:843:1
[INFO] [stderr]     |
[INFO] [stderr] 843 | /// 9 Environment Variable Definitions
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 844 | named!(pub env_var_type<CompleteByteSlice, EnvType>, alt_complete!(env_float | env_int | env_data));
[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/parser.rs:851:1
[INFO] [stderr]     |
[INFO] [stderr] 851 |   /// 9 Environment Variable Definitions
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 852 | / named!(pub access_type<CompleteByteSlice, AccessType>,
[INFO] [stderr] 853 | |     do_parse!(
[INFO] [stderr] 854 | |               tag!("DUMMY_NODE_VECTOR") >>
[INFO] [stderr] 855 | |         node: alt_complete!(dummy_node_vector_0 | dummy_node_vector_1 | dummy_node_vector_2 | dummy_node_vector_3) >>
[INFO] [stderr] 856 | |         (node)
[INFO] [stderr] 857 | |     )
[INFO] [stderr] 858 | | );
[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/parser.rs:863:1
[INFO] [stderr]     |
[INFO] [stderr] 863 | /// 9 Environment Variable Definitions
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 864 | named!(pub access_node<CompleteByteSlice, AccessNode>, alt_complete!(access_node_vector_xxx | access_node_name));
[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/parser.rs:866:1
[INFO] [stderr]     |
[INFO] [stderr] 866 |   /// 9 Environment Variable Definitions
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 867 | / named!(pub environment_variable<CompleteByteSlice, EnvironmentVariable>,
[INFO] [stderr] 868 | |     do_parse!(
[INFO] [stderr] 869 | |                        multispace0                                  >>
[INFO] [stderr] 870 | |                        tag!("EV_")                                  >>
[INFO] [stderr] ...   |
[INFO] [stderr] 905 | |     )
[INFO] [stderr] 906 | | );
[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/parser.rs:1152:1
[INFO] [stderr]      |
[INFO] [stderr] 1152 | / ///
[INFO] [stderr] 1153 | | /// Network node
[INFO] [stderr] 1154 | | ///
[INFO] [stderr]      | |___^
[INFO] [stderr] 1155 | / named!(pub node<CompleteByteSlice, Node>,
[INFO] [stderr] 1156 | |     do_parse!(
[INFO] [stderr] 1157 | |             multispace0                           >>
[INFO] [stderr] 1158 | |             tag!("BU_:")                          >>
[INFO] [stderr] ...    |
[INFO] [stderr] 1163 | |     )
[INFO] [stderr] 1164 | | );
[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 5.29s
[INFO] running `"docker" "inspect" "976cefbba847eef362a44e1b76b98f131163cb11d72b4de564c77a7fcda7dc83"`
[INFO] running `"docker" "rm" "-f" "976cefbba847eef362a44e1b76b98f131163cb11d72b4de564c77a7fcda7dc83"`
[INFO] [stdout] 976cefbba847eef362a44e1b76b98f131163cb11d72b4de564c77a7fcda7dc83
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/can-dbc/2.2.0:/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] d80246e7a2ce418bad2f354bf4bce1c65436ab465e1b31f6883928572b14dad7
[INFO] running `"docker" "start" "-a" "d80246e7a2ce418bad2f354bf4bce1c65436ab465e1b31f6883928572b14dad7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/can_dbc-4895f2ef534aa355
[INFO] [stdout] 
[INFO] [stdout] running 46 tests
[INFO] [stdout] test parser::tests::attribute_default_test ... ok
[INFO] [stdout] test parser::tests::attribute_definition_test ... ok
[INFO] [stdout] test parser::tests::c_ident_test ... ok
[INFO] [stdout] test parser::tests::byte_order_test ... ok
[INFO] [stdout] test parser::tests::char_string_test ... ok
[INFO] [stdout] test parser::tests::c_ident_vec_test ... ok
[INFO] [stdout] test parser::tests::attribute_value_f64_test ... ok
[INFO] [stdout] test parser::tests::envvar_data_test ... ok
[INFO] [stdout] test parser::tests::env_var_attribute_value_test ... ok
[INFO] [stdout] test parser::tests::env_var_comment_test ... ok
[INFO] [stdout] test parser::tests::environment_variable_test ... ok
[INFO] [stdout] test parser::tests::network_node_test ... ok
[INFO] [stdout] test parser::tests::network_node_attribute_value_test ... ok
[INFO] [stdout] test parser::tests::new_symbols_test ... ok
[INFO] [stdout] test parser::tests::message_definition_comment_test ... ok
[INFO] [stdout] test parser::tests::multiplexer_indicator_test ... ok
[INFO] [stdout] test parser::tests::message_transmitters_test ... ok
[INFO] [stdout] test parser::tests::raw_attribute_value_test ... ok
[INFO] [stdout] test parser::tests::sig_val_type_test ... ok
[INFO] [stdout] test parser::tests::node_comment_test ... ok
[INFO] [stdout] test parser::tests::message_definition_attribute_value_test ... ok
[INFO] [stdout] test parser::tests::message_definition_test ... ok
[INFO] [stdout] test parser::tests::signal_groups_test ... ok
[INFO] [stdout] test parser::tests::value_description_test ... ok
[INFO] [stdout] test parser::tests::value_description_for_signal_test ... ok
[INFO] [stdout] test parser::tests::val_table_test ... ok
[INFO] [stdout] test parser::tests::signal_comment_test ... ok
[INFO] [stdout] test parser::tests::signal_test ... ok
[INFO] [stdout] test parser::tests::signal_type_test ... ok
[INFO] [stdout] test parser::tests::value_type_test ... ok
[INFO] [stdout] test parser::tests::value_description_for_env_var_test ... ok
[INFO] [stdout] test parser::tests::signal_attribute_value_test ... ok
[INFO] [stdout] test parser::tests::version_test ... ok
[INFO] [stdout] test tests::lookup_extended_value_type_for_signal_none_when_missing ... ok
[INFO] [stdout] test tests::lookup_message_comment ... ok
[INFO] [stdout] test tests::lookup_signal_by_name_none_when_missing ... ok
[INFO] [stdout] test tests::lookup_extended_value_type_for_signal ... ok
[INFO] [stdout] test tests::lookup_signal_by_name ... ok
[INFO] [stdout] test tests::lookup_value_descriptions_for_signal ... ok
[INFO] [stdout] test tests::lookup_message_comment_none_when_missing ... ok
[INFO] [stdout] test tests::lookup_signal_comment_none_when_missing ... ok
[INFO] [stdout] test tests::lookup_signal_comment ... ok
[INFO] [stdout] test tests::lookup_multiplex_indicator_switch_none_when_missing ... ok
[INFO] [stdout] test tests::lookup_multiplex_indicator_switch ... ok
[INFO] [stdout] test tests::lookup_value_descriptions_for_signal_none_when_missing ... ok
[INFO] [stdout] test tests::dbc_definition_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 46 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests can-dbc
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 6) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "d80246e7a2ce418bad2f354bf4bce1c65436ab465e1b31f6883928572b14dad7"`
[INFO] running `"docker" "rm" "-f" "d80246e7a2ce418bad2f354bf4bce1c65436ab465e1b31f6883928572b14dad7"`
[INFO] [stdout] d80246e7a2ce418bad2f354bf4bce1c65436ab465e1b31f6883928572b14dad7