[INFO] crate rerast 0.1.31 is already in cache
[INFO] extracting crate rerast 0.1.31 into work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/reg/rerast/0.1.31
[INFO] extracting crate rerast 0.1.31 into work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/reg/rerast/0.1.31
[INFO] validating manifest of rerast-0.1.31 on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rerast-0.1.31 on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rerast-0.1.31
[INFO] finished frobbing rerast-0.1.31
[INFO] frobbed toml for rerast-0.1.31 written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/reg/rerast/0.1.31/Cargo.toml
[INFO] started frobbing rerast-0.1.31
[INFO] finished frobbing rerast-0.1.31
[INFO] frobbed toml for rerast-0.1.31 written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/reg/rerast/0.1.31/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking rerast-0.1.31 against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-3/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/reg/rerast/0.1.31:/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" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 5f84eba999d7cbd615499b18af85801c23308c3a83e04e3f8389d7f481c8fac7
[INFO] running `"docker" "start" "-a" "5f84eba999d7cbd615499b18af85801c23308c3a83e04e3f8389d7f481c8fac7"`
[INFO] [stderr]     Checking rerast_macros v0.1.12
[INFO] [stderr]    Compiling cargo_metadata v0.6.4
[INFO] [stderr]     Checking rerast v0.1.31 (/opt/crater/workdir)
[INFO] [stderr]    Compiling skeptic v0.13.4
[INFO] [stderr] error[E0433]: failed to resolve: could not find `quote` in `ext`
[INFO] [stderr]   --> src/change_to_rule.rs:37:18
[INFO] [stderr]    |
[INFO] [stderr] 37 | use syntax::ext::quote::rt::Span;
[INFO] [stderr]    |                  ^^^^^ could not find `quote` in `ext`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `quote` in `ext`
[INFO] [stderr]   --> src/code_substitution.rs:21:18
[INFO] [stderr]    |
[INFO] [stderr] 21 | use syntax::ext::quote::rt::Span;
[INFO] [stderr]    |                  ^^^^^ could not find `quote` in `ext`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `quote` in `ext`
[INFO] [stderr]   --> src/errors.rs:19:18
[INFO] [stderr]    |
[INFO] [stderr] 19 | use syntax::ext::quote::rt::Span;
[INFO] [stderr]    |                  ^^^^^ could not find `quote` in `ext`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `quote` in `ext`
[INFO] [stderr]   --> src/rule_finder.rs:25:18
[INFO] [stderr]    |
[INFO] [stderr] 25 | use syntax::ext::quote::rt::Span;
[INFO] [stderr]    |                  ^^^^^ could not find `quote` in `ext`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `quote` in `ext`
[INFO] [stderr]   --> src/rule_matcher.rs:32:18
[INFO] [stderr]    |
[INFO] [stderr] 32 | use syntax::ext::quote::rt::Span;
[INFO] [stderr]    |                  ^^^^^ could not find `quote` in `ext`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `quote` in `ext`
[INFO] [stderr]   --> src/validation.rs:23:18
[INFO] [stderr]    |
[INFO] [stderr] 23 | use syntax::ext::quote::rt::Span;
[INFO] [stderr]    |                  ^^^^^ could not find `quote` in `ext`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `quote` in `ext`
[INFO] [stderr]    --> src/lib.rs:115:18
[INFO] [stderr]     |
[INFO] [stderr] 115 | use syntax::ext::quote::rt::Span;
[INFO] [stderr]     |                  ^^^^^ could not find `quote` in `ext`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved imports `rustc_driver::driver`, `rustc_driver::CompilerCalls`
[INFO] [stderr]    --> src/lib.rs:105:20
[INFO] [stderr]     |
[INFO] [stderr] 105 | use rustc_driver::{driver, Compilation, CompilerCalls, RustcDefaultCalls};
[INFO] [stderr]     |                    ^^^^^^               ^^^^^^^^^^^^^ no `CompilerCalls` in the root
[INFO] [stderr]     |                    |
[INFO] [stderr]     |                    no `driver` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `hir::DeclKind`
[INFO] [stderr]     --> src/rule_matcher.rs:1079:13
[INFO] [stderr]      |
[INFO] [stderr] 1079 |         use hir::DeclKind;
[INFO] [stderr]      |             ^^^^^^^^^^^^^ no `DeclKind` in `hir`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Span`
[INFO] [stderr]    --> src/change_to_rule.rs:188:13
[INFO] [stderr]     |
[INFO] [stderr] 188 |             Span::new(filemap.start_pos, filemap.end_pos, syntax_pos::NO_EXPANSION),
[INFO] [stderr]     |             ^^^^ use of undeclared type or module `Span`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Span`
[INFO] [stderr]    --> src/change_to_rule.rs:198:22
[INFO] [stderr]     |
[INFO] [stderr] 198 |         let result = Span::new(
[INFO] [stderr]     |                      ^^^^ use of undeclared type or module `Span`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Span`
[INFO] [stderr]    --> src/change_to_rule.rs:233:9
[INFO] [stderr]     |
[INFO] [stderr] 233 |         Span::new(
[INFO] [stderr]     |         ^^^^ use of undeclared type or module `Span`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `driver` in `rustc_driver`
[INFO] [stderr]    --> src/change_to_rule.rs:263:24
[INFO] [stderr]     |
[INFO] [stderr] 263 |     ) -> rustc_driver::driver::CompileController<'a> {
[INFO] [stderr]     |                        ^^^^^^ could not find `driver` in `rustc_driver`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `driver` in `rustc_driver`
[INFO] [stderr]    --> src/change_to_rule.rs:275:31
[INFO] [stderr]     |
[INFO] [stderr] 275 |     state: &mut rustc_driver::driver::CompileState<'a, 'gcx>,
[INFO] [stderr]     |                               ^^^^^^ could not find `driver` in `rustc_driver`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Span`
[INFO] [stderr]    --> src/change_to_rule.rs:466:30
[INFO] [stderr]     |
[INFO] [stderr] 466 |             .span_to_snippet(Span::new(start, subst_span.lo(), syntax_pos::NO_EXPANSION))
[INFO] [stderr]     |                              ^^^^ use of undeclared type or module `Span`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Span`
[INFO] [stderr]    --> src/change_to_rule.rs:472:26
[INFO] [stderr]     |
[INFO] [stderr] 472 |         .span_to_snippet(Span::new(start, span.hi(), syntax_pos::NO_EXPANSION))
[INFO] [stderr]     |                          ^^^^ use of undeclared type or module `Span`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Span`
[INFO] [stderr]   --> src/code_substitution.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |         Span::lo(*self)
[INFO] [stderr]    |         ^^^^ use of undeclared type or module `Span`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Span`
[INFO] [stderr]   --> src/code_substitution.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |         Span::hi(*self)
[INFO] [stderr]    |         ^^^^ use of undeclared type or module `Span`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `DeclKind` in `hir`
[INFO] [stderr]    --> src/rule_finder.rs:265:29
[INFO] [stderr]     |
[INFO] [stderr] 265 |                 if let hir::DeclKind::Local(ref local) = decl.node {
[INFO] [stderr]     |                             ^^^^^^^^ could not find `DeclKind` in `hir`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `quote` in `ext`
[INFO] [stderr]     --> src/rule_matcher.rs:1383:30
[INFO] [stderr]      |
[INFO] [stderr] 1383 |                 syntax::ext::quote::rt::DUMMY_SP
[INFO] [stderr]      |                              ^^^^^ could not find `quote` in `ext`
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Span` in this scope
[INFO] [stderr]   --> src/change_to_rule.rs:67:15
[INFO] [stderr]    |
[INFO] [stderr] 67 |     uses: Vec<Span>,
[INFO] [stderr]    |               ^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]    |
[INFO] [stderr] 24 | use syntax::source_map::Span;
[INFO] [stderr]    |
[INFO] [stderr] 24 | use syntax_pos::Span;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Span` in this scope
[INFO] [stderr]    --> src/change_to_rule.rs:171:27
[INFO] [stderr]     |
[INFO] [stderr] 171 | fn span_within_span(span: Span, target: Span) -> Span {
[INFO] [stderr]     |                           ^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 24  | use syntax::source_map::Span;
[INFO] [stderr]     |
[INFO] [stderr] 24  | use syntax_pos::Span;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Span` in this scope
[INFO] [stderr]    --> src/change_to_rule.rs:171:41
[INFO] [stderr]     |
[INFO] [stderr] 171 | fn span_within_span(span: Span, target: Span) -> Span {
[INFO] [stderr]     |                                         ^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 24  | use syntax::source_map::Span;
[INFO] [stderr]     |
[INFO] [stderr] 24  | use syntax_pos::Span;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Span` in this scope
[INFO] [stderr]    --> src/change_to_rule.rs:171:50
[INFO] [stderr]     |
[INFO] [stderr] 171 | fn span_within_span(span: Span, target: Span) -> Span {
[INFO] [stderr]     |                                                  ^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 24  | use syntax::source_map::Span;
[INFO] [stderr]     |
[INFO] [stderr] 24  | use syntax_pos::Span;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Span` in this scope
[INFO] [stderr]    --> src/change_to_rule.rs:185:27
[INFO] [stderr]     |
[INFO] [stderr] 185 |     fn new(absolute_span: Span, filemap: &syntax_pos::SourceFile) -> RelativeSpan {
[INFO] [stderr]     |                           ^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 24  | use syntax::source_map::Span;
[INFO] [stderr]     |
[INFO] [stderr] 24  | use syntax_pos::Span;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Span` in this scope
[INFO] [stderr]    --> src/change_to_rule.rs:196:61
[INFO] [stderr]     |
[INFO] [stderr] 196 |     fn absolute(&self, filemap: &syntax_pos::SourceFile) -> Span {
[INFO] [stderr]     |                                                             ^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 24  | use syntax::source_map::Span;
[INFO] [stderr]     |
[INFO] [stderr] 24  | use syntax_pos::Span;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Span` in this scope
[INFO] [stderr]    --> src/change_to_rule.rs:225:24
[INFO] [stderr]     |
[INFO] [stderr] 225 |     fn from_span(span: Span, filemap: &syntax_pos::SourceFile) -> ChangedSpan {
[INFO] [stderr]     |                        ^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 24  | use syntax::source_map::Span;
[INFO] [stderr]     |
[INFO] [stderr] 24  | use syntax_pos::Span;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Span` in this scope
[INFO] [stderr]    --> src/change_to_rule.rs:232:60
[INFO] [stderr]     |
[INFO] [stderr] 232 |     fn to_span(&self, filemap: &syntax_pos::SourceFile) -> Span {
[INFO] [stderr]     |                                                            ^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 24  | use syntax::source_map::Span;
[INFO] [stderr]     |
[INFO] [stderr] 24  | use syntax_pos::Span;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `CompilerCalls` in module `rustc_driver`
[INFO] [stderr]    --> src/change_to_rule.rs:258:24
[INFO] [stderr]     |
[INFO] [stderr] 258 | impl<'a> rustc_driver::CompilerCalls<'a> for RCompilerCalls {
[INFO] [stderr]     |                        ^^^^^^^^^^^^^ not found in `rustc_driver`
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Span` in this scope
[INFO] [stderr]    --> src/change_to_rule.rs:386:23
[INFO] [stderr]     |
[INFO] [stderr] 386 |     replacement_span: Span,
[INFO] [stderr]     |                       ^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 24  | use syntax::source_map::Span;
[INFO] [stderr]     |
[INFO] [stderr] 24  | use syntax_pos::Span;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Span` in this scope
[INFO] [stderr]    --> src/change_to_rule.rs:458:11
[INFO] [stderr]     |
[INFO] [stderr] 458 |     span: Span,
[INFO] [stderr]     |           ^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 24  | use syntax::source_map::Span;
[INFO] [stderr]     |
[INFO] [stderr] 24  | use syntax_pos::Span;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Span` in this scope
[INFO] [stderr]    --> src/change_to_rule.rs:459:27
[INFO] [stderr]     |
[INFO] [stderr] 459 |     substitutions: &mut [(Span, String)],
[INFO] [stderr]     |                           ^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 24  | use syntax::source_map::Span;
[INFO] [stderr]     |
[INFO] [stderr] 24  | use syntax_pos::Span;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Span` in this scope
[INFO] [stderr]    --> src/change_to_rule.rs:482:33
[INFO] [stderr]     |
[INFO] [stderr] 482 |     used_placeholder_spans: Vec<Span>,
[INFO] [stderr]     |                                 ^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 24  | use syntax::source_map::Span;
[INFO] [stderr]     |
[INFO] [stderr] 24  | use syntax_pos::Span;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Span` in this scope
[INFO] [stderr]    --> src/change_to_rule.rs:607:19
[INFO] [stderr]     |
[INFO] [stderr] 607 |     changed_span: Span,
[INFO] [stderr]     |                   ^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 24  | use syntax::source_map::Span;
[INFO] [stderr]     |
[INFO] [stderr] 24  | use syntax_pos::Span;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Span` in this scope
[INFO] [stderr]   --> src/code_substitution.rs:37:16
[INFO] [stderr]    |
[INFO] [stderr] 37 | impl SpanT for Span {
[INFO] [stderr]    |                ^^^^
[INFO] [stderr] help: a trait with a similar name exists
[INFO] [stderr]    |
[INFO] [stderr] 37 | impl SpanT for SpanT {
[INFO] [stderr]    |                ^^^^^
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]    |
[INFO] [stderr] 15 | use syntax::source_map::Span;
[INFO] [stderr]    |
[INFO] [stderr] 15 | use syntax_pos::Span;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Span` in this scope
[INFO] [stderr]    --> src/code_substitution.rs:108:23
[INFO] [stderr]     |
[INFO] [stderr] 108 | impl CodeSubstitution<Span> {
[INFO] [stderr]     |                       ^^^^
[INFO] [stderr] help: a trait with a similar name exists
[INFO] [stderr]     |
[INFO] [stderr] 108 | impl CodeSubstitution<SpanT> {
[INFO] [stderr]     |                       ^^^^^
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 15  | use syntax::source_map::Span;
[INFO] [stderr]     |
[INFO] [stderr] 15  | use syntax_pos::Span;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Span` in this scope
[INFO] [stderr]    --> src/code_substitution.rs:110:43
[INFO] [stderr]     |
[INFO] [stderr] 110 |         substitutions: &[CodeSubstitution<Span>],
[INFO] [stderr]     |                                           ^^^^
[INFO] [stderr] help: a trait with a similar name exists
[INFO] [stderr]     |
[INFO] [stderr] 110 |         substitutions: &[CodeSubstitution<SpanT>],
[INFO] [stderr]     |                                           ^^^^^
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 15  | use syntax::source_map::Span;
[INFO] [stderr]     |
[INFO] [stderr] 15  | use syntax_pos::Span;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Span` in this scope
[INFO] [stderr]    --> src/code_substitution.rs:112:20
[INFO] [stderr]     |
[INFO] [stderr] 112 |         base_span: Span,
[INFO] [stderr]     |                    ^^^^
[INFO] [stderr] help: a trait with a similar name exists
[INFO] [stderr]     |
[INFO] [stderr] 112 |         base_span: SpanT,
[INFO] [stderr]     |                    ^^^^^
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 15  | use syntax::source_map::Span;
[INFO] [stderr]     |
[INFO] [stderr] 15  | use syntax_pos::Span;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Span` in this scope
[INFO] [stderr]    --> src/code_substitution.rs:211:45
[INFO] [stderr]     |
[INFO] [stderr] 211 |         substitutions: Vec<CodeSubstitution<Span>>,
[INFO] [stderr]     |                                             ^^^^
[INFO] [stderr] help: a trait with a similar name exists
[INFO] [stderr]     |
[INFO] [stderr] 211 |         substitutions: Vec<CodeSubstitution<SpanT>>,
[INFO] [stderr]     |                                             ^^^^^
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 15  | use syntax::source_map::Span;
[INFO] [stderr]     |
[INFO] [stderr] 15  | use syntax_pos::Span;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Span` in this scope
[INFO] [stderr]   --> src/errors.rs:25:11
[INFO] [stderr]    |
[INFO] [stderr] 25 |     span: Span,
[INFO] [stderr]    |           ^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]    |
[INFO] [stderr] 15 | use syntax::source_map::Span;
[INFO] [stderr]    |
[INFO] [stderr] 15 | use syntax_pos::Span;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Span` in this scope
[INFO] [stderr]   --> src/errors.rs:29:58
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub(crate) fn new<T: Into<String>>(message: T, span: Span) -> ErrorWithSpan {
[INFO] [stderr]    |                                                          ^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]    |
[INFO] [stderr] 15 | use syntax::source_map::Span;
[INFO] [stderr]    |
[INFO] [stderr] 15 | use syntax_pos::Span;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Span` in this scope
[INFO] [stderr]   --> src/rule_finder.rs:68:22
[INFO] [stderr]    |
[INFO] [stderr] 68 |         arg_ty_span: Span,
[INFO] [stderr]    |                      ^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]    |
[INFO] [stderr] 15 | use syntax::source_map::Span;
[INFO] [stderr]    |
[INFO] [stderr] 15 | use syntax_pos::Span;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Span` in this scope
[INFO] [stderr]    --> src/rule_finder.rs:201:23
[INFO] [stderr]     |
[INFO] [stderr] 201 |     fn span(&self) -> Span;
[INFO] [stderr]     |                       ^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 15  | use syntax::source_map::Span;
[INFO] [stderr]     |
[INFO] [stderr] 15  | use syntax_pos::Span;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Span` in this scope
[INFO] [stderr]    --> src/rule_finder.rs:222:23
[INFO] [stderr]     |
[INFO] [stderr] 222 |     fn span(&self) -> Span {
[INFO] [stderr]     |                       ^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 15  | use syntax::source_map::Span;
[INFO] [stderr]     |
[INFO] [stderr] 15  | use syntax_pos::Span;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Span` in this scope
[INFO] [stderr]    --> src/rule_finder.rs:256:23
[INFO] [stderr]     |
[INFO] [stderr] 256 |     fn span(&self) -> Span {
[INFO] [stderr]     |                       ^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 15  | use syntax::source_map::Span;
[INFO] [stderr]     |
[INFO] [stderr] 15  | use syntax_pos::Span;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Span` in this scope
[INFO] [stderr]    --> src/rule_finder.rs:291:23
[INFO] [stderr]     |
[INFO] [stderr] 291 |     fn span(&self) -> Span {
[INFO] [stderr]     |                       ^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 15  | use syntax::source_map::Span;
[INFO] [stderr]     |
[INFO] [stderr] 15  | use syntax_pos::Span;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Span` in this scope
[INFO] [stderr]    --> src/rule_finder.rs:327:23
[INFO] [stderr]     |
[INFO] [stderr] 327 |     fn span(&self) -> Span {
[INFO] [stderr]     |                       ^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 15  | use syntax::source_map::Span;
[INFO] [stderr]     |
[INFO] [stderr] 15  | use syntax_pos::Span;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Span` in this scope
[INFO] [stderr]    --> src/rule_matcher.rs:126:24
[INFO] [stderr]     |
[INFO] [stderr] 126 |         original_span: Span,
[INFO] [stderr]     |                        ^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 15  | use syntax::source_map::Span;
[INFO] [stderr]     |
[INFO] [stderr] 15  | use syntax_pos::Span;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Span` in this scope
[INFO] [stderr]    --> src/rule_matcher.rs:407:37
[INFO] [stderr]     |
[INFO] [stderr] 407 |     fn span_to_snippet(&self, span: Span) -> Result<String, SpanSnippetError> {
[INFO] [stderr]     |                                     ^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 15  | use syntax::source_map::Span;
[INFO] [stderr]     |
[INFO] [stderr] 15  | use syntax_pos::Span;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `DeclKind` in module `hir`
[INFO] [stderr]     --> src/rule_matcher.rs:1073:25
[INFO] [stderr]      |
[INFO] [stderr] 1073 | impl Matchable for hir::DeclKind {
[INFO] [stderr]      |                         ^^^^^^^^ not found in `hir`
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Span` in this scope
[INFO] [stderr]     --> src/rule_matcher.rs:1316:20
[INFO] [stderr]      |
[INFO] [stderr] 1316 |     original_span: Span,
[INFO] [stderr]      |                    ^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]      |
[INFO] [stderr] 15   | use syntax::source_map::Span;
[INFO] [stderr]      |
[INFO] [stderr] 15   | use syntax_pos::Span;
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Span` in this scope
[INFO] [stderr]     --> src/rule_matcher.rs:1374:32
[INFO] [stderr]      |
[INFO] [stderr] 1374 |     fn get_span(&self, target: Span) -> Span {
[INFO] [stderr]      |                                ^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]      |
[INFO] [stderr] 15   | use syntax::source_map::Span;
[INFO] [stderr]      |
[INFO] [stderr] 15   | use syntax_pos::Span;
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Span` in this scope
[INFO] [stderr]     --> src/rule_matcher.rs:1374:41
[INFO] [stderr]      |
[INFO] [stderr] 1374 |     fn get_span(&self, target: Span) -> Span {
[INFO] [stderr]      |                                         ^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]      |
[INFO] [stderr] 15   | use syntax::source_map::Span;
[INFO] [stderr]      |
[INFO] [stderr] 15   | use syntax_pos::Span;
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Span` in this scope
[INFO] [stderr]     --> src/rule_matcher.rs:1484:36
[INFO] [stderr]      |
[INFO] [stderr] 1484 | fn get_original_spans(search_span: Span, code_span: Span) -> Option<(Span, Span)> {
[INFO] [stderr]      |                                    ^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]      |
[INFO] [stderr] 15   | use syntax::source_map::Span;
[INFO] [stderr]      |
[INFO] [stderr] 15   | use syntax_pos::Span;
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Span` in this scope
[INFO] [stderr]     --> src/rule_matcher.rs:1484:53
[INFO] [stderr]      |
[INFO] [stderr] 1484 | fn get_original_spans(search_span: Span, code_span: Span) -> Option<(Span, Span)> {
[INFO] [stderr]      |                                                     ^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]      |
[INFO] [stderr] 15   | use syntax::source_map::Span;
[INFO] [stderr]      |
[INFO] [stderr] 15   | use syntax_pos::Span;
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Span` in this scope
[INFO] [stderr]     --> src/rule_matcher.rs:1484:70
[INFO] [stderr]      |
[INFO] [stderr] 1484 | fn get_original_spans(search_span: Span, code_span: Span) -> Option<(Span, Span)> {
[INFO] [stderr]      |                                                                      ^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]      |
[INFO] [stderr] 15   | use syntax::source_map::Span;
[INFO] [stderr]      |
[INFO] [stderr] 15   | use syntax_pos::Span;
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Span` in this scope
[INFO] [stderr]     --> src/rule_matcher.rs:1484:76
[INFO] [stderr]      |
[INFO] [stderr] 1484 | fn get_original_spans(search_span: Span, code_span: Span) -> Option<(Span, Span)> {
[INFO] [stderr]      |                                                                            ^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]      |
[INFO] [stderr] 15   | use syntax::source_map::Span;
[INFO] [stderr]      |
[INFO] [stderr] 15   | use syntax_pos::Span;
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Span` in this scope
[INFO] [stderr]     --> src/rule_matcher.rs:1515:27
[INFO] [stderr]      |
[INFO] [stderr] 1515 | fn span_within_span(span: Span, target: Span) -> Span {
[INFO] [stderr]      |                           ^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]      |
[INFO] [stderr] 15   | use syntax::source_map::Span;
[INFO] [stderr]      |
[INFO] [stderr] 15   | use syntax_pos::Span;
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Span` in this scope
[INFO] [stderr]     --> src/rule_matcher.rs:1515:41
[INFO] [stderr]      |
[INFO] [stderr] 1515 | fn span_within_span(span: Span, target: Span) -> Span {
[INFO] [stderr]      |                                         ^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]      |
[INFO] [stderr] 15   | use syntax::source_map::Span;
[INFO] [stderr]      |
[INFO] [stderr] 15   | use syntax_pos::Span;
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Span` in this scope
[INFO] [stderr]     --> src/rule_matcher.rs:1515:50
[INFO] [stderr]      |
[INFO] [stderr] 1515 | fn span_within_span(span: Span, target: Span) -> Span {
[INFO] [stderr]      |                                                  ^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]      |
[INFO] [stderr] 15   | use syntax::source_map::Span;
[INFO] [stderr]      |
[INFO] [stderr] 15   | use syntax_pos::Span;
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Span` in this scope
[INFO] [stderr]     --> src/rule_matcher.rs:1528:36
[INFO] [stderr]      |
[INFO] [stderr] 1528 | fn all_expansions_equal(rule_span: Span, code_span: Span) -> bool {
[INFO] [stderr]      |                                    ^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]      |
[INFO] [stderr] 15   | use syntax::source_map::Span;
[INFO] [stderr]      |
[INFO] [stderr] 15   | use syntax_pos::Span;
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Span` in this scope
[INFO] [stderr]     --> src/rule_matcher.rs:1528:53
[INFO] [stderr]      |
[INFO] [stderr] 1528 | fn all_expansions_equal(rule_span: Span, code_span: Span) -> bool {
[INFO] [stderr]      |                                                     ^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]      |
[INFO] [stderr] 15   | use syntax::source_map::Span;
[INFO] [stderr]      |
[INFO] [stderr] 15   | use syntax_pos::Span;
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Span` in this scope
[INFO] [stderr]     --> src/rule_matcher.rs:1536:34
[INFO] [stderr]      |
[INFO] [stderr] 1536 |     result: Vec<CodeSubstitution<Span>>,
[INFO] [stderr]      |                                  ^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]      |
[INFO] [stderr] 15   | use syntax::source_map::Span;
[INFO] [stderr]      |
[INFO] [stderr] 15   | use syntax_pos::Span;
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Span` in this scope
[INFO] [stderr]     --> src/rule_matcher.rs:1553:73
[INFO] [stderr]      |
[INFO] [stderr] 1553 |     fn process_expr(&mut self, expr: &'gcx hir::Expr, placeholder_span: Span) -> bool {
[INFO] [stderr]      |                                                                         ^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]      |
[INFO] [stderr] 15   | use syntax::source_map::Span;
[INFO] [stderr]      |
[INFO] [stderr] 15   | use syntax_pos::Span;
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Span` in this scope
[INFO] [stderr]     --> src/rule_matcher.rs:1573:94
[INFO] [stderr]      |
[INFO] [stderr] 1573 |     fn process_placeholder(&mut self, placeholder: &Placeholder<'r, 'gcx>, placeholder_span: Span) {
[INFO] [stderr]      |                                                                                              ^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]      |
[INFO] [stderr] 15   | use syntax::source_map::Span;
[INFO] [stderr]      |
[INFO] [stderr] 15   | use syntax_pos::Span;
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Span` in this scope
[INFO] [stderr]     --> src/rule_matcher.rs:1652:27
[INFO] [stderr]      |
[INFO] [stderr] 1652 | ) -> Vec<CodeSubstitution<Span>> {
[INFO] [stderr]      |                           ^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]      |
[INFO] [stderr] 15   | use syntax::source_map::Span;
[INFO] [stderr]      |
[INFO] [stderr] 15   | use syntax_pos::Span;
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Span` in this scope
[INFO] [stderr]     --> src/rule_matcher.rs:1656:50
[INFO] [stderr]      |
[INFO] [stderr] 1656 |         substitutions: &mut Vec<CodeSubstitution<Span>>,
[INFO] [stderr]      |                                                  ^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]      |
[INFO] [stderr] 15   | use syntax::source_map::Span;
[INFO] [stderr]      |
[INFO] [stderr] 15   | use syntax_pos::Span;
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Span` in this scope
[INFO] [stderr]   --> src/validation.rs:35:64
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn add_error<T: Into<String>>(&mut self, message: T, span: Span) {
[INFO] [stderr]    |                                                                ^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]    |
[INFO] [stderr] 15 | use syntax::source_map::Span;
[INFO] [stderr]    |
[INFO] [stderr] 15 | use syntax_pos::Span;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Span` in this scope
[INFO] [stderr]   --> src/validation.rs:76:78
[INFO] [stderr]    |
[INFO] [stderr] 76 |     fn visit_qpath(&mut self, qpath: &'gcx hir::QPath, id: hir::HirId, span: Span) {
[INFO] [stderr]    |                                                                              ^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]    |
[INFO] [stderr] 15 | use syntax::source_map::Span;
[INFO] [stderr]    |
[INFO] [stderr] 15 | use syntax_pos::Span;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Span` in this scope
[INFO] [stderr]    --> src/validation.rs:100:78
[INFO] [stderr]     |
[INFO] [stderr] 100 |     fn visit_qpath(&mut self, qpath: &'gcx hir::QPath, id: hir::HirId, span: Span) {
[INFO] [stderr]     |                                                                              ^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 15  | use syntax::source_map::Span;
[INFO] [stderr]     |
[INFO] [stderr] 15  | use syntax_pos::Span;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Span` in this scope
[INFO] [stderr]    --> src/lib.rs:270:68
[INFO] [stderr]     |
[INFO] [stderr] 270 |     fn print_macro_backtrace(msg: &str, codemap: &SourceMap, span: Span) {
[INFO] [stderr]     |                                                                    ^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 96  | use syntax::source_map::Span;
[INFO] [stderr]     |
[INFO] [stderr] 96  | use syntax_pos::Span;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0603]: struct `Label` is private
[INFO] [stderr]    --> src/rule_matcher.rs:987:25
[INFO] [stderr]     |
[INFO] [stderr] 987 | impl Matchable for hir::Label {
[INFO] [stderr]     |                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `syntax::ext::quote::rt::Span`
[INFO] [stderr]   --> src/change_to_rule.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 | use syntax::ext::quote::rt::Span;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `syntax::ext::quote::rt::Span`
[INFO] [stderr]   --> src/code_substitution.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | use syntax::ext::quote::rt::Span;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `syntax::ext::quote::rt::Span`
[INFO] [stderr]   --> src/errors.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | use syntax::ext::quote::rt::Span;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `syntax::ext::quote::rt::Span`
[INFO] [stderr]   --> src/rule_finder.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | use syntax::ext::quote::rt::Span;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `syntax::ext::quote::rt::Span`
[INFO] [stderr]   --> src/rule_matcher.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 | use syntax::ext::quote::rt::Span;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `syntax::ext::quote::rt::Span`
[INFO] [stderr]   --> src/validation.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 | use syntax::ext::quote::rt::Span;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `syntax::ext::quote::rt::Span`
[INFO] [stderr]    --> src/lib.rs:115:5
[INFO] [stderr]     |
[INFO] [stderr] 115 | use syntax::ext::quote::rt::Span;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 72 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors occurred: E0405, E0412, E0432, E0433, E0603.
[INFO] [stderr] For more information about an error, try `rustc --explain E0405`.
[INFO] [stderr] error: Could not compile `rerast`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "5f84eba999d7cbd615499b18af85801c23308c3a83e04e3f8389d7f481c8fac7"`
[INFO] running `"docker" "rm" "-f" "5f84eba999d7cbd615499b18af85801c23308c3a83e04e3f8389d7f481c8fac7"`
[INFO] [stdout] 5f84eba999d7cbd615499b18af85801c23308c3a83e04e3f8389d7f481c8fac7