[INFO] crate unrest_tmp_syn 0.1.0 is already in cache
[INFO] extracting crate unrest_tmp_syn 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/unrest_tmp_syn/0.1.0
[INFO] extracting crate unrest_tmp_syn 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/unrest_tmp_syn/0.1.0
[INFO] validating manifest of unrest_tmp_syn-0.1.0 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 unrest_tmp_syn-0.1.0 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 unrest_tmp_syn-0.1.0
[INFO] finished frobbing unrest_tmp_syn-0.1.0
[INFO] frobbed toml for unrest_tmp_syn-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/unrest_tmp_syn/0.1.0/Cargo.toml
[INFO] started frobbing unrest_tmp_syn-0.1.0
[INFO] finished frobbing unrest_tmp_syn-0.1.0
[INFO] frobbed toml for unrest_tmp_syn-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/unrest_tmp_syn/0.1.0/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 unrest_tmp_syn-0.1.0 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/unrest_tmp_syn/0.1.0:/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] 74a53140e258b28f1202dff70bc761ff6e6c9fcfbda2c61909857f5e9eeda487
[INFO] running `"docker" "start" "-a" "74a53140e258b28f1202dff70bc761ff6e6c9fcfbda2c61909857f5e9eeda487"`
[INFO] [stderr]    Compiling unrest_tmp_quote v0.1.0
[INFO] [stderr]    Compiling unrest_tmp_synom v0.1.0
[INFO] [stderr]    Compiling unrest_tmp_syn v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/expr.rs:739:5
[INFO] [stderr]     |
[INFO] [stderr] 739 | /     /// ```ignore
[INFO] [stderr] 740 | |     /// <placement> = <placement> ..
[INFO] [stderr] 741 | |     /// <placement> += <placement> ..
[INFO] [stderr] 742 | |     /// <placement> -= <placement> ..
[INFO] [stderr] ...   |
[INFO] [stderr] 752 | |     ///
[INFO] [stderr] 753 | |     /// NOTE: This operator is right-associative.
[INFO] [stderr]     | |_________________________________________________^
[INFO] [stderr] 754 |       #[cfg(feature = "full")]
[INFO] [stderr] 755 | /     named!(assign_expr(allow_struct: bool, allow_block: bool) -> ExprKind, do_parse!(
[INFO] [stderr] 756 | |         mut e: call!(placement_expr, allow_struct, allow_block) >>
[INFO] [stderr] 757 | |         alt!(
[INFO] [stderr] 758 | |             do_parse!(
[INFO] [stderr] ...   |
[INFO] [stderr] 786 | |         (e)
[INFO] [stderr] 787 | |     ));
[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/expr.rs:789:5
[INFO] [stderr]     |
[INFO] [stderr] 789 | /     /// ```ignore
[INFO] [stderr] 790 | |     /// <range> <- <range> ..
[INFO] [stderr] 791 | |     /// ```
[INFO] [stderr] 792 | |     ///
[INFO] [stderr] ...   |
[INFO] [stderr] 795 | |     ///
[INFO] [stderr] 796 | |     /// NOTE: This operator is right-associative.
[INFO] [stderr]     | |_________________________________________________^
[INFO] [stderr] 797 |       #[cfg(feature = "full")]
[INFO] [stderr] 798 | /     named!(placement_expr(allow_struct: bool, allow_block: bool) -> ExprKind, do_parse!(
[INFO] [stderr] 799 | |         mut e: call!(range_expr, allow_struct, allow_block) >>
[INFO] [stderr] 800 | |         alt!(
[INFO] [stderr] 801 | |             do_parse!(
[INFO] [stderr] ...   |
[INFO] [stderr] 817 | |         (e)
[INFO] [stderr] 818 | |     ));
[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/expr.rs:820:5
[INFO] [stderr]     |
[INFO] [stderr] 820 | /     /// ```ignore
[INFO] [stderr] 821 | |     /// <or> ... <or> ..
[INFO] [stderr] 822 | |     /// <or> .. <or> ..
[INFO] [stderr] 823 | |     /// <or> ..
[INFO] [stderr] ...   |
[INFO] [stderr] 831 | |     /// NOTE: The form of ranges which don't include a preceding expression are
[INFO] [stderr] 832 | |     /// parsed by `atom_expr`, rather than by this function.
[INFO] [stderr]     | |____________________________________________________________^
[INFO] [stderr] 833 |       #[cfg(feature = "full")]
[INFO] [stderr] 834 | /     named!(range_expr(allow_struct: bool, allow_block: bool) -> ExprKind, do_parse!(
[INFO] [stderr] 835 | |         mut e: call!(or_expr, allow_struct, allow_block) >>
[INFO] [stderr] 836 | |         many0!(do_parse!(
[INFO] [stderr] 837 | |             limits: syn!(RangeLimits) >>
[INFO] [stderr] ...   |
[INFO] [stderr] 849 | |         (e)
[INFO] [stderr] 850 | |     ));
[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/expr.rs:852:5
[INFO] [stderr]     |
[INFO] [stderr] 852 | /     /// ```ignore
[INFO] [stderr] 853 | |     /// <and> || <and> ...
[INFO] [stderr] 854 | |     /// ```
[INFO] [stderr]     | |___________^
[INFO] [stderr] 855 |       binop!(or_expr, and_expr, map!(syn!(OrOr), BinOp::Or));
[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/expr.rs:857:5
[INFO] [stderr]     |
[INFO] [stderr] 857 | /     /// ```ignore
[INFO] [stderr] 858 | |     /// <compare> && <compare> ...
[INFO] [stderr] 859 | |     /// ```
[INFO] [stderr]     | |___________^
[INFO] [stderr] 860 |       binop!(and_expr, compare_expr, map!(syn!(AndAnd), BinOp::And));
[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/expr.rs:862:5
[INFO] [stderr]     |
[INFO] [stderr] 862 | /     /// ```ignore
[INFO] [stderr] 863 | |     /// <bitor> == <bitor> ...
[INFO] [stderr] 864 | |     /// <bitor> != <bitor> ...
[INFO] [stderr] 865 | |     /// <bitor> >= <bitor> ...
[INFO] [stderr] ...   |
[INFO] [stderr] 871 | |     /// NOTE: This operator appears to be parsed as left-associative, but errors
[INFO] [stderr] 872 | |     /// if it is used in a non-associative manner.
[INFO] [stderr]     | |__________________________________________________^
[INFO] [stderr] 873 | /     binop!(compare_expr, bitor_expr, alt!(
[INFO] [stderr] 874 | |         syn!(EqEq) => { BinOp::Eq }
[INFO] [stderr] 875 | |         |
[INFO] [stderr] 876 | |         syn!(Ne) => { BinOp::Ne }
[INFO] [stderr] ...   |
[INFO] [stderr] 891 | |         syn!(Gt) => { BinOp::Gt }
[INFO] [stderr] 892 | |     ));
[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/expr.rs:894:5
[INFO] [stderr]     |
[INFO] [stderr] 894 | /     /// ```ignore
[INFO] [stderr] 895 | |     /// <bitxor> | <bitxor> ...
[INFO] [stderr] 896 | |     /// ```
[INFO] [stderr]     | |___________^
[INFO] [stderr] 897 | /     binop!(bitor_expr, bitxor_expr, do_parse!(
[INFO] [stderr] 898 | |         not!(syn!(OrOr)) >>
[INFO] [stderr] 899 | |         not!(syn!(OrEq)) >>
[INFO] [stderr] 900 | |         t: syn!(Or) >>
[INFO] [stderr] 901 | |         (BinOp::BitOr(t))
[INFO] [stderr] 902 | |     ));
[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/expr.rs:904:5
[INFO] [stderr]     |
[INFO] [stderr] 904 | /     /// ```ignore
[INFO] [stderr] 905 | |     /// <bitand> ^ <bitand> ...
[INFO] [stderr] 906 | |     /// ```
[INFO] [stderr]     | |___________^
[INFO] [stderr] 907 | /     binop!(bitxor_expr, bitand_expr, do_parse!(
[INFO] [stderr] 908 | |         // NOTE: Make sure we aren't looking at ^=.
[INFO] [stderr] 909 | |         not!(syn!(CaretEq)) >>
[INFO] [stderr] 910 | |         t: syn!(Caret) >>
[INFO] [stderr] 911 | |         (BinOp::BitXor(t))
[INFO] [stderr] 912 | |     ));
[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/expr.rs:914:5
[INFO] [stderr]     |
[INFO] [stderr] 914 | /     /// ```ignore
[INFO] [stderr] 915 | |     /// <shift> & <shift> ...
[INFO] [stderr] 916 | |     /// ```
[INFO] [stderr]     | |___________^
[INFO] [stderr] 917 | /     binop!(bitand_expr, shift_expr, do_parse!(
[INFO] [stderr] 918 | |         // NOTE: Make sure we aren't looking at && or &=.
[INFO] [stderr] 919 | |         not!(syn!(AndAnd)) >>
[INFO] [stderr] 920 | |         not!(syn!(AndEq)) >>
[INFO] [stderr] 921 | |         t: syn!(And) >>
[INFO] [stderr] 922 | |         (BinOp::BitAnd(t))
[INFO] [stderr] 923 | |     ));
[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/expr.rs:925:5
[INFO] [stderr]     |
[INFO] [stderr] 925 | /     /// ```ignore
[INFO] [stderr] 926 | |     /// <arith> << <arith> ...
[INFO] [stderr] 927 | |     /// <arith> >> <arith> ...
[INFO] [stderr] 928 | |     /// ```
[INFO] [stderr]     | |___________^
[INFO] [stderr] 929 | /     binop!(shift_expr, arith_expr, alt!(
[INFO] [stderr] 930 | |         syn!(Shl) => { BinOp::Shl }
[INFO] [stderr] 931 | |         |
[INFO] [stderr] 932 | |         syn!(Shr) => { BinOp::Shr }
[INFO] [stderr] 933 | |     ));
[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/expr.rs:935:5
[INFO] [stderr]     |
[INFO] [stderr] 935 | /     /// ```ignore
[INFO] [stderr] 936 | |     /// <term> + <term> ...
[INFO] [stderr] 937 | |     /// <term> - <term> ...
[INFO] [stderr] 938 | |     /// ```
[INFO] [stderr]     | |___________^
[INFO] [stderr] 939 | /     binop!(arith_expr, term_expr, alt!(
[INFO] [stderr] 940 | |         syn!(Add) => { BinOp::Add }
[INFO] [stderr] 941 | |         |
[INFO] [stderr] 942 | |         syn!(Sub) => { BinOp::Sub }
[INFO] [stderr] 943 | |     ));
[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/expr.rs:945:5
[INFO] [stderr]     |
[INFO] [stderr] 945 | /     /// ```ignore
[INFO] [stderr] 946 | |     /// <cast> * <cast> ...
[INFO] [stderr] 947 | |     /// <cast> / <cast> ...
[INFO] [stderr] 948 | |     /// <cast> % <cast> ...
[INFO] [stderr] 949 | |     /// ```
[INFO] [stderr]     | |___________^
[INFO] [stderr] 950 | /     binop!(term_expr, cast_expr, alt!(
[INFO] [stderr] 951 | |         syn!(Star) => { BinOp::Mul }
[INFO] [stderr] 952 | |         |
[INFO] [stderr] 953 | |         syn!(Div) => { BinOp::Div }
[INFO] [stderr] 954 | |         |
[INFO] [stderr] 955 | |         syn!(Rem) => { BinOp::Rem }
[INFO] [stderr] 956 | |     ));
[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/expr.rs:958:5
[INFO] [stderr]     |
[INFO] [stderr] 958 | /     /// ```ignore
[INFO] [stderr] 959 | |     /// <unary> as <ty>
[INFO] [stderr] 960 | |     /// <unary> : <ty>
[INFO] [stderr] 961 | |     /// ```
[INFO] [stderr]     | |___________^
[INFO] [stderr] 962 | /     named!(cast_expr(allow_struct: bool, allow_block: bool) -> ExprKind, do_parse!(
[INFO] [stderr] 963 | |         mut e: call!(unary_expr, allow_struct, allow_block) >>
[INFO] [stderr] 964 | |         many0!(alt!(
[INFO] [stderr] 965 | |             do_parse!(
[INFO] [stderr] ...   |
[INFO] [stderr] 993 | |         (e)
[INFO] [stderr] 994 | |     ));
[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/expr.rs:996:5
[INFO] [stderr]      |
[INFO] [stderr] 996  | /     /// ```
[INFO] [stderr] 997  | |     /// <UnOp> <trailer>
[INFO] [stderr] 998  | |     /// & <trailer>
[INFO] [stderr] 999  | |     /// &mut <trailer>
[INFO] [stderr] 1000 | |     /// box <trailer>
[INFO] [stderr] 1001 | |     /// ```
[INFO] [stderr]      | |___________^
[INFO] [stderr] 1002 |       #[cfg(feature = "full")]
[INFO] [stderr] 1003 | /     named!(unary_expr(allow_struct: bool, allow_block: bool) -> ExprKind, alt!(
[INFO] [stderr] 1004 | |         do_parse!(
[INFO] [stderr] 1005 | |             op: syn!(UnOp) >>
[INFO] [stderr] 1006 | |             expr: call!(unary_expr, allow_struct, true) >>
[INFO] [stderr] ...    |
[INFO] [stderr] 1033 | |         call!(trailer_expr, allow_struct, allow_block)
[INFO] [stderr] 1034 | |     ));
[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/expr.rs:1051:5
[INFO] [stderr]      |
[INFO] [stderr] 1051 | /     /// ```ignore
[INFO] [stderr] 1052 | |     /// <atom> (..<args>) ...
[INFO] [stderr] 1053 | |     /// <atom> . <ident> (..<args>) ...
[INFO] [stderr] 1054 | |     /// <atom> . <ident> ...
[INFO] [stderr] ...    |
[INFO] [stderr] 1057 | |     /// <atom> ? ...
[INFO] [stderr] 1058 | |     /// ```
[INFO] [stderr]      | |___________^
[INFO] [stderr] 1059 |       #[cfg(feature = "full")]
[INFO] [stderr] 1060 | /     named!(trailer_expr(allow_struct: bool, allow_block: bool) -> ExprKind, do_parse!(
[INFO] [stderr] 1061 | |         mut e: call!(atom_expr, allow_struct, allow_block) >>
[INFO] [stderr] 1062 | |         many0!(alt!(
[INFO] [stderr] 1063 | |             tap!(args: and_call => {
[INFO] [stderr] ...    |
[INFO] [stderr] 1112 | |         (e)
[INFO] [stderr] 1113 | |     ));
[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/expr.rs:1141:5
[INFO] [stderr]      |
[INFO] [stderr] 1141 | /     /// Parse all atomic expressions which don't have to worry about precidence
[INFO] [stderr] 1142 | |     /// interactions, as they are fully contained.
[INFO] [stderr]      | |__________________________________________________^
[INFO] [stderr] 1143 |       #[cfg(feature = "full")]
[INFO] [stderr] 1144 | /     named!(atom_expr(allow_struct: bool, allow_block: bool) -> ExprKind, alt!(
[INFO] [stderr] 1145 | |         syn!(ExprGroup) => { ExprKind::Group } // must be placed first
[INFO] [stderr] 1146 | |         |
[INFO] [stderr] 1147 | |         syn!(Lit) => { ExprKind::Lit } // must be before expr_struct
[INFO] [stderr] ...    |
[INFO] [stderr] 1196 | |         syn!(ExprRepeat) => { ExprKind::Repeat }
[INFO] [stderr] 1197 | |     ));
[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 6.98s
[INFO] running `"docker" "inspect" "74a53140e258b28f1202dff70bc761ff6e6c9fcfbda2c61909857f5e9eeda487"`
[INFO] running `"docker" "rm" "-f" "74a53140e258b28f1202dff70bc761ff6e6c9fcfbda2c61909857f5e9eeda487"`
[INFO] [stdout] 74a53140e258b28f1202dff70bc761ff6e6c9fcfbda2c61909857f5e9eeda487
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/unrest_tmp_syn/0.1.0:/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] 1a1765d137d86da2586b205bccae71e1dd4d037e3600a736c92ae4baa4352ed6
[INFO] running `"docker" "start" "-a" "1a1765d137d86da2586b205bccae71e1dd4d037e3600a736c92ae4baa4352ed6"`
[INFO] [stderr]    Compiling extprim v1.7.0
[INFO] [stderr]    Compiling syntex_pos v0.59.1
[INFO] [stderr]    Compiling syntex_errors v0.59.1
[INFO] [stderr]    Compiling syntex_syntax v0.59.1
[INFO] [stderr]    Compiling unrest_tmp_syn v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/expr.rs:739:5
[INFO] [stderr]     |
[INFO] [stderr] 739 | /     /// ```ignore
[INFO] [stderr] 740 | |     /// <placement> = <placement> ..
[INFO] [stderr] 741 | |     /// <placement> += <placement> ..
[INFO] [stderr] 742 | |     /// <placement> -= <placement> ..
[INFO] [stderr] ...   |
[INFO] [stderr] 752 | |     ///
[INFO] [stderr] 753 | |     /// NOTE: This operator is right-associative.
[INFO] [stderr]     | |_________________________________________________^
[INFO] [stderr] 754 |       #[cfg(feature = "full")]
[INFO] [stderr] 755 | /     named!(assign_expr(allow_struct: bool, allow_block: bool) -> ExprKind, do_parse!(
[INFO] [stderr] 756 | |         mut e: call!(placement_expr, allow_struct, allow_block) >>
[INFO] [stderr] 757 | |         alt!(
[INFO] [stderr] 758 | |             do_parse!(
[INFO] [stderr] ...   |
[INFO] [stderr] 786 | |         (e)
[INFO] [stderr] 787 | |     ));
[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/expr.rs:789:5
[INFO] [stderr]     |
[INFO] [stderr] 789 | /     /// ```ignore
[INFO] [stderr] 790 | |     /// <range> <- <range> ..
[INFO] [stderr] 791 | |     /// ```
[INFO] [stderr] 792 | |     ///
[INFO] [stderr] ...   |
[INFO] [stderr] 795 | |     ///
[INFO] [stderr] 796 | |     /// NOTE: This operator is right-associative.
[INFO] [stderr]     | |_________________________________________________^
[INFO] [stderr] 797 |       #[cfg(feature = "full")]
[INFO] [stderr] 798 | /     named!(placement_expr(allow_struct: bool, allow_block: bool) -> ExprKind, do_parse!(
[INFO] [stderr] 799 | |         mut e: call!(range_expr, allow_struct, allow_block) >>
[INFO] [stderr] 800 | |         alt!(
[INFO] [stderr] 801 | |             do_parse!(
[INFO] [stderr] ...   |
[INFO] [stderr] 817 | |         (e)
[INFO] [stderr] 818 | |     ));
[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/expr.rs:820:5
[INFO] [stderr]     |
[INFO] [stderr] 820 | /     /// ```ignore
[INFO] [stderr] 821 | |     /// <or> ... <or> ..
[INFO] [stderr] 822 | |     /// <or> .. <or> ..
[INFO] [stderr] 823 | |     /// <or> ..
[INFO] [stderr] ...   |
[INFO] [stderr] 831 | |     /// NOTE: The form of ranges which don't include a preceding expression are
[INFO] [stderr] 832 | |     /// parsed by `atom_expr`, rather than by this function.
[INFO] [stderr]     | |____________________________________________________________^
[INFO] [stderr] 833 |       #[cfg(feature = "full")]
[INFO] [stderr] 834 | /     named!(range_expr(allow_struct: bool, allow_block: bool) -> ExprKind, do_parse!(
[INFO] [stderr] 835 | |         mut e: call!(or_expr, allow_struct, allow_block) >>
[INFO] [stderr] 836 | |         many0!(do_parse!(
[INFO] [stderr] 837 | |             limits: syn!(RangeLimits) >>
[INFO] [stderr] ...   |
[INFO] [stderr] 849 | |         (e)
[INFO] [stderr] 850 | |     ));
[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/expr.rs:852:5
[INFO] [stderr]     |
[INFO] [stderr] 852 | /     /// ```ignore
[INFO] [stderr] 853 | |     /// <and> || <and> ...
[INFO] [stderr] 854 | |     /// ```
[INFO] [stderr]     | |___________^
[INFO] [stderr] 855 |       binop!(or_expr, and_expr, map!(syn!(OrOr), BinOp::Or));
[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/expr.rs:857:5
[INFO] [stderr]     |
[INFO] [stderr] 857 | /     /// ```ignore
[INFO] [stderr] 858 | |     /// <compare> && <compare> ...
[INFO] [stderr] 859 | |     /// ```
[INFO] [stderr]     | |___________^
[INFO] [stderr] 860 |       binop!(and_expr, compare_expr, map!(syn!(AndAnd), BinOp::And));
[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/expr.rs:862:5
[INFO] [stderr]     |
[INFO] [stderr] 862 | /     /// ```ignore
[INFO] [stderr] 863 | |     /// <bitor> == <bitor> ...
[INFO] [stderr] 864 | |     /// <bitor> != <bitor> ...
[INFO] [stderr] 865 | |     /// <bitor> >= <bitor> ...
[INFO] [stderr] ...   |
[INFO] [stderr] 871 | |     /// NOTE: This operator appears to be parsed as left-associative, but errors
[INFO] [stderr] 872 | |     /// if it is used in a non-associative manner.
[INFO] [stderr]     | |__________________________________________________^
[INFO] [stderr] 873 | /     binop!(compare_expr, bitor_expr, alt!(
[INFO] [stderr] 874 | |         syn!(EqEq) => { BinOp::Eq }
[INFO] [stderr] 875 | |         |
[INFO] [stderr] 876 | |         syn!(Ne) => { BinOp::Ne }
[INFO] [stderr] ...   |
[INFO] [stderr] 891 | |         syn!(Gt) => { BinOp::Gt }
[INFO] [stderr] 892 | |     ));
[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/expr.rs:894:5
[INFO] [stderr]     |
[INFO] [stderr] 894 | /     /// ```ignore
[INFO] [stderr] 895 | |     /// <bitxor> | <bitxor> ...
[INFO] [stderr] 896 | |     /// ```
[INFO] [stderr]     | |___________^
[INFO] [stderr] 897 | /     binop!(bitor_expr, bitxor_expr, do_parse!(
[INFO] [stderr] 898 | |         not!(syn!(OrOr)) >>
[INFO] [stderr] 899 | |         not!(syn!(OrEq)) >>
[INFO] [stderr] 900 | |         t: syn!(Or) >>
[INFO] [stderr] 901 | |         (BinOp::BitOr(t))
[INFO] [stderr] 902 | |     ));
[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/expr.rs:904:5
[INFO] [stderr]     |
[INFO] [stderr] 904 | /     /// ```ignore
[INFO] [stderr] 905 | |     /// <bitand> ^ <bitand> ...
[INFO] [stderr] 906 | |     /// ```
[INFO] [stderr]     | |___________^
[INFO] [stderr] 907 | /     binop!(bitxor_expr, bitand_expr, do_parse!(
[INFO] [stderr] 908 | |         // NOTE: Make sure we aren't looking at ^=.
[INFO] [stderr] 909 | |         not!(syn!(CaretEq)) >>
[INFO] [stderr] 910 | |         t: syn!(Caret) >>
[INFO] [stderr] 911 | |         (BinOp::BitXor(t))
[INFO] [stderr] 912 | |     ));
[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/expr.rs:914:5
[INFO] [stderr]     |
[INFO] [stderr] 914 | /     /// ```ignore
[INFO] [stderr] 915 | |     /// <shift> & <shift> ...
[INFO] [stderr] 916 | |     /// ```
[INFO] [stderr]     | |___________^
[INFO] [stderr] 917 | /     binop!(bitand_expr, shift_expr, do_parse!(
[INFO] [stderr] 918 | |         // NOTE: Make sure we aren't looking at && or &=.
[INFO] [stderr] 919 | |         not!(syn!(AndAnd)) >>
[INFO] [stderr] 920 | |         not!(syn!(AndEq)) >>
[INFO] [stderr] 921 | |         t: syn!(And) >>
[INFO] [stderr] 922 | |         (BinOp::BitAnd(t))
[INFO] [stderr] 923 | |     ));
[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/expr.rs:925:5
[INFO] [stderr]     |
[INFO] [stderr] 925 | /     /// ```ignore
[INFO] [stderr] 926 | |     /// <arith> << <arith> ...
[INFO] [stderr] 927 | |     /// <arith> >> <arith> ...
[INFO] [stderr] 928 | |     /// ```
[INFO] [stderr]     | |___________^
[INFO] [stderr] 929 | /     binop!(shift_expr, arith_expr, alt!(
[INFO] [stderr] 930 | |         syn!(Shl) => { BinOp::Shl }
[INFO] [stderr] 931 | |         |
[INFO] [stderr] 932 | |         syn!(Shr) => { BinOp::Shr }
[INFO] [stderr] 933 | |     ));
[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/expr.rs:935:5
[INFO] [stderr]     |
[INFO] [stderr] 935 | /     /// ```ignore
[INFO] [stderr] 936 | |     /// <term> + <term> ...
[INFO] [stderr] 937 | |     /// <term> - <term> ...
[INFO] [stderr] 938 | |     /// ```
[INFO] [stderr]     | |___________^
[INFO] [stderr] 939 | /     binop!(arith_expr, term_expr, alt!(
[INFO] [stderr] 940 | |         syn!(Add) => { BinOp::Add }
[INFO] [stderr] 941 | |         |
[INFO] [stderr] 942 | |         syn!(Sub) => { BinOp::Sub }
[INFO] [stderr] 943 | |     ));
[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/expr.rs:945:5
[INFO] [stderr]     |
[INFO] [stderr] 945 | /     /// ```ignore
[INFO] [stderr] 946 | |     /// <cast> * <cast> ...
[INFO] [stderr] 947 | |     /// <cast> / <cast> ...
[INFO] [stderr] 948 | |     /// <cast> % <cast> ...
[INFO] [stderr] 949 | |     /// ```
[INFO] [stderr]     | |___________^
[INFO] [stderr] 950 | /     binop!(term_expr, cast_expr, alt!(
[INFO] [stderr] 951 | |         syn!(Star) => { BinOp::Mul }
[INFO] [stderr] 952 | |         |
[INFO] [stderr] 953 | |         syn!(Div) => { BinOp::Div }
[INFO] [stderr] 954 | |         |
[INFO] [stderr] 955 | |         syn!(Rem) => { BinOp::Rem }
[INFO] [stderr] 956 | |     ));
[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/expr.rs:958:5
[INFO] [stderr]     |
[INFO] [stderr] 958 | /     /// ```ignore
[INFO] [stderr] 959 | |     /// <unary> as <ty>
[INFO] [stderr] 960 | |     /// <unary> : <ty>
[INFO] [stderr] 961 | |     /// ```
[INFO] [stderr]     | |___________^
[INFO] [stderr] 962 | /     named!(cast_expr(allow_struct: bool, allow_block: bool) -> ExprKind, do_parse!(
[INFO] [stderr] 963 | |         mut e: call!(unary_expr, allow_struct, allow_block) >>
[INFO] [stderr] 964 | |         many0!(alt!(
[INFO] [stderr] 965 | |             do_parse!(
[INFO] [stderr] ...   |
[INFO] [stderr] 993 | |         (e)
[INFO] [stderr] 994 | |     ));
[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/expr.rs:996:5
[INFO] [stderr]      |
[INFO] [stderr] 996  | /     /// ```
[INFO] [stderr] 997  | |     /// <UnOp> <trailer>
[INFO] [stderr] 998  | |     /// & <trailer>
[INFO] [stderr] 999  | |     /// &mut <trailer>
[INFO] [stderr] 1000 | |     /// box <trailer>
[INFO] [stderr] 1001 | |     /// ```
[INFO] [stderr]      | |___________^
[INFO] [stderr] 1002 |       #[cfg(feature = "full")]
[INFO] [stderr] 1003 | /     named!(unary_expr(allow_struct: bool, allow_block: bool) -> ExprKind, alt!(
[INFO] [stderr] 1004 | |         do_parse!(
[INFO] [stderr] 1005 | |             op: syn!(UnOp) >>
[INFO] [stderr] 1006 | |             expr: call!(unary_expr, allow_struct, true) >>
[INFO] [stderr] ...    |
[INFO] [stderr] 1033 | |         call!(trailer_expr, allow_struct, allow_block)
[INFO] [stderr] 1034 | |     ));
[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/expr.rs:1051:5
[INFO] [stderr]      |
[INFO] [stderr] 1051 | /     /// ```ignore
[INFO] [stderr] 1052 | |     /// <atom> (..<args>) ...
[INFO] [stderr] 1053 | |     /// <atom> . <ident> (..<args>) ...
[INFO] [stderr] 1054 | |     /// <atom> . <ident> ...
[INFO] [stderr] ...    |
[INFO] [stderr] 1057 | |     /// <atom> ? ...
[INFO] [stderr] 1058 | |     /// ```
[INFO] [stderr]      | |___________^
[INFO] [stderr] 1059 |       #[cfg(feature = "full")]
[INFO] [stderr] 1060 | /     named!(trailer_expr(allow_struct: bool, allow_block: bool) -> ExprKind, do_parse!(
[INFO] [stderr] 1061 | |         mut e: call!(atom_expr, allow_struct, allow_block) >>
[INFO] [stderr] 1062 | |         many0!(alt!(
[INFO] [stderr] 1063 | |             tap!(args: and_call => {
[INFO] [stderr] ...    |
[INFO] [stderr] 1112 | |         (e)
[INFO] [stderr] 1113 | |     ));
[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/expr.rs:1141:5
[INFO] [stderr]      |
[INFO] [stderr] 1141 | /     /// Parse all atomic expressions which don't have to worry about precidence
[INFO] [stderr] 1142 | |     /// interactions, as they are fully contained.
[INFO] [stderr]      | |__________________________________________________^
[INFO] [stderr] 1143 |       #[cfg(feature = "full")]
[INFO] [stderr] 1144 | /     named!(atom_expr(allow_struct: bool, allow_block: bool) -> ExprKind, alt!(
[INFO] [stderr] 1145 | |         syn!(ExprGroup) => { ExprKind::Group } // must be placed first
[INFO] [stderr] 1146 | |         |
[INFO] [stderr] 1147 | |         syn!(Lit) => { ExprKind::Lit } // must be before expr_struct
[INFO] [stderr] ...    |
[INFO] [stderr] 1196 | |         syn!(ExprRepeat) => { ExprKind::Repeat }
[INFO] [stderr] 1197 | |     ));
[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 39.94s
[INFO] running `"docker" "inspect" "1a1765d137d86da2586b205bccae71e1dd4d037e3600a736c92ae4baa4352ed6"`
[INFO] running `"docker" "rm" "-f" "1a1765d137d86da2586b205bccae71e1dd4d037e3600a736c92ae4baa4352ed6"`
[INFO] [stdout] 1a1765d137d86da2586b205bccae71e1dd4d037e3600a736c92ae4baa4352ed6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/unrest_tmp_syn/0.1.0:/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] fe0aa76e414753a41483684fab7767d759d5a3843a7d0675285d17901c3b3a98
[INFO] running `"docker" "start" "-a" "fe0aa76e414753a41483684fab7767d759d5a3843a7d0675285d17901c3b3a98"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/unrest_tmp_syn-426e14d4923b7ab0
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests unrest_tmp_syn
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - parse (line 121) ... ignored
[INFO] [stdout] test src/macros.rs - ty::QSelf (line 30) ... ignored
[INFO] [stdout] test src/generics.rs - generics::Generics::split_for_impl (line 40) ... FAILED
[INFO] [stdout] test src/lib.rs - parse_str (line 182) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/generics.rs - generics::Generics::split_for_impl (line 40) stdout ----
[INFO] [stdout] error[E0463]: can't find crate for `syn`
[INFO] [stdout]  --> src/generics.rs:41:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate syn;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - parse_str (line 182) stdout ----
[INFO] [stdout] error[E0463]: can't find crate for `syn`
[INFO] [stdout]  --> src/lib.rs:183:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate syn;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/generics.rs - generics::Generics::split_for_impl (line 40)
[INFO] [stdout]     src/lib.rs - parse_str (line 182)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 2 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `"docker" "inspect" "fe0aa76e414753a41483684fab7767d759d5a3843a7d0675285d17901c3b3a98"`
[INFO] running `"docker" "rm" "-f" "fe0aa76e414753a41483684fab7767d759d5a3843a7d0675285d17901c3b3a98"`
[INFO] [stdout] fe0aa76e414753a41483684fab7767d759d5a3843a7d0675285d17901c3b3a98