[INFO] updating cached repository https://github.com/nulldatamap/proxam
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bf5b7163cdfd88905cc2e00b8139dc65e9bd1407
[INFO] checking nulldatamap/proxam against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnulldatamap%2Fproxam" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nulldatamap/proxam on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/nulldatamap/proxam
[INFO] finished tweaking git repo https://github.com/nulldatamap/proxam
[INFO] tweaked toml for git repo https://github.com/nulldatamap/proxam written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/nulldatamap/proxam already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-8/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] fa5b9e72bbd71b40bdb15765e1083775a23a6a592358a0fef9d9c4a69304bb0c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "fa5b9e72bbd71b40bdb15765e1083775a23a6a592358a0fef9d9c4a69304bb0c"`
[INFO] [stderr]     Checking version v3.0.0
[INFO] [stderr]     Checking proxam v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `rustc::llvm`
[INFO] [stderr]  --> src/builtin.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use rustc::llvm;
[INFO] [stderr]   |     ^^^^^^^^^^^ no `llvm` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `rustc::llvm`
[INFO] [stderr]  --> src/builtin.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | use rustc::llvm::{ContextRef, ValueRef, ModuleRef, TypeRef, BuilderRef};
[INFO] [stderr]   |            ^^^^ could not find `llvm` in `rustc`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `rustc::llvm`
[INFO] [stderr]  --> src/codegen.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use rustc::llvm;
[INFO] [stderr]   |     ^^^^^^^^^^^ no `llvm` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `rustc::llvm`
[INFO] [stderr]  --> src/codegen.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | use rustc::llvm::{ContextRef, ValueRef, ModuleRef
[INFO] [stderr]   |            ^^^^ could not find `llvm` in `rustc`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::fs::PathExt`
[INFO] [stderr]   --> src/main.rs:39:7
[INFO] [stderr]    |
[INFO] [stderr] 39 |   use std::fs::PathExt;
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^ no `PathExt` in `fs`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `llvm` in `rustc`
[INFO] [stderr]    --> src/main.rs:126:12
[INFO] [stderr]     |
[INFO] [stderr] 126 |     rustc::llvm::LLVMDumpModule( llmodule );
[INFO] [stderr]     |            ^^^^ could not find `llvm` in `rustc`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filemap.rs:155:20
[INFO] [stderr]     |
[INFO] [stderr] 155 |     let mut file = try!( File::open( &path ) );
[INFO] [stderr]     |                    ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filemap.rs:157:13
[INFO] [stderr]     |
[INFO] [stderr] 157 |     let _ = try!( file.read_to_string( &mut source ) );
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filemap.rs:172:17
[INFO] [stderr]     |
[INFO] [stderr] 172 |     let entry = try!( self.lookup_charloc( loc ) );
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/tokenizer.rs:165:5
[INFO] [stderr]     |
[INFO] [stderr] 165 |       try!( $subj.$token()
[INFO] [stderr]     |       ^^^
[INFO] [stderr] ...
[INFO] [stderr] 248 |         let token = match fallthrough!( self : comment
[INFO] [stderr]     |  _________________________-
[INFO] [stderr] 249 | |                                            , ident
[INFO] [stderr] 250 | |                                            , integer
[INFO] [stderr] 251 | |                                            , symbol ) {
[INFO] [stderr]     | |_____________________________________________________- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/tokenizer.rs:278:8
[INFO] [stderr]     |
[INFO] [stderr] 278 |     if try!( self.try_current() ) != ';' {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/tokenizer.rs:305:30
[INFO] [stderr]     |
[INFO] [stderr] 305 |     if ! is_ident_start_chr( try!( self.try_current() ) ) {
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/tokenizer.rs:338:15
[INFO] [stderr]     |
[INFO] [stderr] 338 |     let chr = try!( self.try_current() );
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/tokenizer.rs:372:19
[INFO] [stderr]     |
[INFO] [stderr] 372 |     let mut chr = try!( self.try_current() );
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/tokenizer.rs:380:15
[INFO] [stderr]     |
[INFO] [stderr] 380 |         chr = try!( self.try_current() );
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser.rs:78:19
[INFO] [stderr]    |
[INFO] [stderr] 78 |       items.push( try!( self.item() ) );
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser.rs:85:26
[INFO] [stderr]    |
[INFO] [stderr] 85 |     if let Some( fun ) = try!( self.fn_def() ) {
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser.rs:87:32
[INFO] [stderr]    |
[INFO] [stderr] 87 |     } else if let Some( ty ) = try!( self.type_def() ) {
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser.rs:90:32
[INFO] [stderr]    |
[INFO] [stderr] 90 |     } else if let Some( dt ) = try!( self.data_def() ) {
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:108:15
[INFO] [stderr]     |
[INFO] [stderr] 108 |     Ok( Some( try!( self.function() ) ) )
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:139:14
[INFO] [stderr]     |
[INFO] [stderr] 139 |     let ty = try!( self.any_type() );
[INFO] [stderr]     |              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:141:23
[INFO] [stderr]     |
[INFO] [stderr] 141 |     let constraints = try!( self.where_clause() );
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:147:13
[INFO] [stderr]     |
[INFO] [stderr] 147 |       Some( try!( self.expression() ) )
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:159:20
[INFO] [stderr]     |
[INFO] [stderr] 159 |     let start_ty = try!( self._type() );
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:183:23
[INFO] [stderr]     |
[INFO] [stderr] 183 |       arg_types.push( try!( self._type() ) );
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:188:18
[INFO] [stderr]     |
[INFO] [stderr] 188 |     let ret_ty = try!( self.any_type() );
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:194:29
[INFO] [stderr]     |
[INFO] [stderr] 194 |     if let Some( tup_ty ) = try!( self.tuple_type() ) {
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:197:37
[INFO] [stderr]     |
[INFO] [stderr] 197 |     } else if let Some( list_ty ) = try!( self.list_type() ) {
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:218:20
[INFO] [stderr]     |
[INFO] [stderr] 218 |     let first_ty = try!( self.any_type() );
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:240:19
[INFO] [stderr]     |
[INFO] [stderr] 240 |       types.push( try!( self.any_type() ) );
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:265:17
[INFO] [stderr]     |
[INFO] [stderr] 265 |     let inner = try!( self.any_type() );
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:304:25
[INFO] [stderr]     |
[INFO] [stderr] 304 |       constraints.push( try!( self.class() ) );
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:342:17
[INFO] [stderr]     |
[INFO] [stderr] 342 |     let first = try!( self.op_expr( 0 ) );
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:369:19
[INFO] [stderr]     |
[INFO] [stderr] 369 |     let mut lhs = try!( self.lower_op_expr( op_precedence ) );
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:379:19
[INFO] [stderr]     |
[INFO] [stderr] 379 |         let rhs = try!( self.lower_op_expr( op_precedence ) );
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:412:18
[INFO] [stderr]     |
[INFO] [stderr] 412 |       let expr = try!( self.expression() );
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:421:32
[INFO] [stderr]     |
[INFO] [stderr] 421 |       if let Some( if_expr ) = try!( self.if_expr() ) {
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:424:40
[INFO] [stderr]     |
[INFO] [stderr] 424 |       } else if let Some( let_expr ) = try!( self.let_expr() ) {
[INFO] [stderr]     |                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:454:16
[INFO] [stderr]     |
[INFO] [stderr] 454 |     let cond = try!( self.expression()
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:465:16
[INFO] [stderr]     |
[INFO] [stderr] 465 |     let then = try!( self.expression()
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:476:15
[INFO] [stderr]     |
[INFO] [stderr] 476 |     let els = try!( self.expression()
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:498:23
[INFO] [stderr]     |
[INFO] [stderr] 498 |       let_items.push( try!( self.function() ) );
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:510:16
[INFO] [stderr]     |
[INFO] [stderr] 510 |     let expr = try!( self.expression() );
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:539:16
[INFO] [stderr]     |
[INFO] [stderr] 539 |     let base = try!( self.any_type() );
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:569:14
[INFO] [stderr]     |
[INFO] [stderr] 569 |       body = try!( self.any_type() );
[INFO] [stderr]     |              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:593:24
[INFO] [stderr]     |
[INFO] [stderr] 593 |       let field_type = try!( self.any_type() );
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/folder.rs:49:26
[INFO] [stderr]    |
[INFO] [stderr] 49 |         ptr::write( elm, try!( f( ptr::read( elm ) ) ) );
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/folder.rs:61:20
[INFO] [stderr]    |
[INFO] [stderr] 61 |       self = Some( try!( f( v ) ) )
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/folder.rs:74:21
[INFO] [stderr]    |
[INFO] [stderr] 74 |     let mut inner = try!( f( replace( &mut self, Invalidable::invalid() ) ) );
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:266:10
[INFO] [stderr]     |
[INFO] [stderr] 266 |     *t = try!( folder.fold_typedef( (n, ty) ) );
[INFO] [stderr]     |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:271:10
[INFO] [stderr]     |
[INFO] [stderr] 271 |     *f = try!( folder.fold_fn( fun ) );
[INFO] [stderr]     |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:278:7
[INFO] [stderr]     |
[INFO] [stderr] 278 |   Ok( try!( folder.fold_ty( ty ) ) )
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:298:12
[INFO] [stderr]     |
[INFO] [stderr] 298 |   v.name = try!( folder.fold_ident( v.name ) );
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:299:12
[INFO] [stderr]     |
[INFO] [stderr] 299 |   v.ty   = try!( folder.fold_ty( v.ty ) );
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:300:17
[INFO] [stderr]     |
[INFO] [stderr] 300 |   v.arg_names = try!( v.arg_names.try_map( |a| folder.fold_ident( a ) ) );
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:304:11
[INFO] [stderr]     |
[INFO] [stderr] 304 |     Some( try!( folder.fold_expr( bdy ) ) )
[INFO] [stderr]     |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:307:19
[INFO] [stderr]     |
[INFO] [stderr] 307 |   v.constraints = try!( v.constraints.try_map( |c| folder.fold_class( c ) ) );
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:323:48
[INFO] [stderr]     |
[INFO] [stderr] 323 |     Type::NamedType( idt ) => Type::NamedType( try!( folder.fold_ty_named_type( idt ) ) ),
[INFO] [stderr]     |                                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:325:7
[INFO] [stderr]     |
[INFO] [stderr] 325 |       try!( folder.fold_ty_unit() );
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:329:20
[INFO] [stderr]     |
[INFO] [stderr] 329 |       let (i, t) = try!( folder.fold_ty_unique( (id, ty) ) );
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:333:24
[INFO] [stderr]     |
[INFO] [stderr] 333 |       Type::Structure( try!( folder.fold_ty_structure( pairs ) ) )
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:335:39
[INFO] [stderr]     |
[INFO] [stderr] 335 |     Type::Tuple( ts ) => Type::Tuple( try!( folder.fold_ty_tuple( ts ) ) ),
[INFO] [stderr]     |                                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:336:40
[INFO] [stderr]     |
[INFO] [stderr] 336 |     Type::List( inner ) => Type::List( try!( folder.fold_ty_list( inner ) ) ),
[INFO] [stderr]     |                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:338:22
[INFO] [stderr]     |
[INFO] [stderr] 338 |         let (a, r) = try!( folder.fold_ty_fn( (args, ret) ) );
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:342:25
[INFO] [stderr]     |
[INFO] [stderr] 342 |         let (id, ids) = try!( folder.fold_ty_generic( (idt, idts) ) );
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:346:22
[INFO] [stderr]     |
[INFO] [stderr] 346 |         let (a, r) = try!( folder.fold_ty_abstract_fn( (args, ret) ) );
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:350:25
[INFO] [stderr]     |
[INFO] [stderr] 350 |         let (e, a, r) = try!( folder.fold_ty_closure( (env, args, ret) ) );
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:353:52
[INFO] [stderr]     |
[INFO] [stderr] 353 |     Type::BuiltinType( bit ) => Type::BuiltinType( try!( folder.fold_ty_builtin_type( bit ) ) ),
[INFO] [stderr]     |                                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:355:22
[INFO] [stderr]     |
[INFO] [stderr] 355 |         let (i, a) = try!( folder.fold_ty_application( (inner, aps) ) );
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:359:7
[INFO] [stderr]     |
[INFO] [stderr] 359 |       try!( folder.fold_ty_untyped() );
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:387:11
[INFO] [stderr]     |
[INFO] [stderr] 387 |   let a = try!( folder.fold_tys( args ) );
[INFO] [stderr]     |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:388:11
[INFO] [stderr]     |
[INFO] [stderr] 388 |   let r = try!( ret.try_map( |r| folder.fold_ty( r ) ) );
[INFO] [stderr]     |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:395:12
[INFO] [stderr]     |
[INFO] [stderr] 395 |   let id = try!( folder.fold_ident( idt ) );
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:396:13
[INFO] [stderr]     |
[INFO] [stderr] 396 |   let ids = try!( idts.try_map( |i| folder.fold_ident( i ) ) );
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:403:11
[INFO] [stderr]     |
[INFO] [stderr] 403 |   let a = try!( folder.fold_tys( args ) );
[INFO] [stderr]     |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:404:11
[INFO] [stderr]     |
[INFO] [stderr] 404 |   let r = try!( ret.try_map( |r| folder.fold_ty( r ) ) );
[INFO] [stderr]     |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:410:11
[INFO] [stderr]     |
[INFO] [stderr] 410 |   let e = try!( folder.fold_tys( env ) );
[INFO] [stderr]     |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:411:11
[INFO] [stderr]     |
[INFO] [stderr] 411 |   let a = try!( folder.fold_tys( args ) );
[INFO] [stderr]     |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:412:11
[INFO] [stderr]     |
[INFO] [stderr] 412 |   let r = try!( ret.try_map( |r| folder.fold_ty( r ) ) );
[INFO] [stderr]     |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:424:11
[INFO] [stderr]     |
[INFO] [stderr] 424 |   let i = try!( inner.try_map( |t| folder.fold_ty( t ) ) );
[INFO] [stderr]     |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:429:11
[INFO] [stderr]     |
[INFO] [stderr] 429 |   let i = try!( folder.fold_ident( id ) );
[INFO] [stderr]     |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:430:11
[INFO] [stderr]     |
[INFO] [stderr] 430 |   let t = try!( ty.try_map( |v| folder.fold_ty( v ) ) );
[INFO] [stderr]     |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:436:11
[INFO] [stderr]     |
[INFO] [stderr] 436 |   let p = try!( pairs.try_map( |(id, ty)| {
[INFO] [stderr]     |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:437:13
[INFO] [stderr]     |
[INFO] [stderr] 437 |     let i = try!( folder.fold_ident( id ) );
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:438:13
[INFO] [stderr]     |
[INFO] [stderr] 438 |     let t = try!( folder.fold_ty( ty ) );
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:446:12
[INFO] [stderr]     |
[INFO] [stderr] 446 |   v.name = try!( folder.fold_ident( v.name ) );
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:447:14
[INFO] [stderr]     |
[INFO] [stderr] 447 |   v.params = try!( folder.fold_tys( v.params ) );
[INFO] [stderr]     |              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:457:27
[INFO] [stderr]     |
[INFO] [stderr] 457 |         let ((f, b), t) = try!( folder.fold_expr_let( (fs, bdy), ty ) );
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:462:22
[INFO] [stderr]     |
[INFO] [stderr] 462 |         let (v, t) = try!( folder.fold_expr_unresolved_name( idt, ty ) );
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:467:22
[INFO] [stderr]     |
[INFO] [stderr] 467 |         let (v, t) = try!( folder.fold_expr_apply( exprs, ty ) );
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:472:31
[INFO] [stderr]     |
[INFO] [stderr] 472 |         let ((c, th, e), t) = try!( folder.fold_expr_if( (cnd, thn, els), ty ) );
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:477:22
[INFO] [stderr]     |
[INFO] [stderr] 477 |         let (v, t) = try!( folder.fold_expr_literal( lit, ty ) );
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:482:20
[INFO] [stderr]     |
[INFO] [stderr] 482 |       let (v, t) = try!( folder.fold_expr_arg( idt, ty ) );
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:487:20
[INFO] [stderr]     |
[INFO] [stderr] 487 |       let (v, t) = try!( folder.fold_expr_named( nam, ty ) );
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:492:20
[INFO] [stderr]     |
[INFO] [stderr] 492 |       let (v, t) = try!( folder.fold_expr_builtin_fn( bif, ty ) );
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:497:27
[INFO] [stderr]     |
[INFO] [stderr] 497 |         let ((c, a), t) = try!( folder.fold_expr_fn_call( (callee, args), ty ) );
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:502:14
[INFO] [stderr]     |
[INFO] [stderr] 502 |         ty = try!( folder.fold_expr_invalid( ty ) );
[INFO] [stderr]     |              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:516:9
[INFO] [stderr]     |
[INFO] [stderr] 516 |   Ok( ((try!( fs.try_map( |f| folder.fold_fn( f ) ) )
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:517:11
[INFO] [stderr]     |
[INFO] [stderr] 517 |         , try!( ex.try_map( |e| folder.fold_expr( e ) ) ) )
[INFO] [stderr]     |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:518:9
[INFO] [stderr]     |
[INFO] [stderr] 518 |       , try!( folder.fold_ty( ty ) )) )
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:523:8
[INFO] [stderr]     |
[INFO] [stderr] 523 |   Ok( (try!( folder.fold_ident( v ) ), try!( folder.fold_ty( ty ) )) )
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:523:40
[INFO] [stderr]     |
[INFO] [stderr] 523 |   Ok( (try!( folder.fold_ident( v ) ), try!( folder.fold_ty( ty ) )) )
[INFO] [stderr]     |                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:528:8
[INFO] [stderr]     |
[INFO] [stderr] 528 |   Ok( (try!( v.try_map( |val| folder.fold_expr( val ) ) )
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:529:9
[INFO] [stderr]     |
[INFO] [stderr] 529 |       , try!( folder.fold_ty( ty ) )) )
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:534:9
[INFO] [stderr]     |
[INFO] [stderr] 534 |   Ok( ((try!( cnd.try_map( |c| folder.fold_expr( c ) ) )
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:535:11
[INFO] [stderr]     |
[INFO] [stderr] 535 |         , try!( thn.try_map( |t| folder.fold_expr( t ) ) )
[INFO] [stderr]     |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:536:11
[INFO] [stderr]     |
[INFO] [stderr] 536 |         , try!( els.try_map( |e| folder.fold_expr( e ) ) ) )
[INFO] [stderr]     |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:537:10
[INFO] [stderr]     |
[INFO] [stderr] 537 |        , try!( folder.fold_ty( ty ) )) )
[INFO] [stderr]     |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:542:8
[INFO] [stderr]     |
[INFO] [stderr] 542 |   Ok( (try!( folder.fold_literal( v ) ), try!( folder.fold_ty( ty ) )) )
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:542:42
[INFO] [stderr]     |
[INFO] [stderr] 542 |   Ok( (try!( folder.fold_literal( v ) ), try!( folder.fold_ty( ty ) )) )
[INFO] [stderr]     |                                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:547:8
[INFO] [stderr]     |
[INFO] [stderr] 547 |   Ok( (try!( folder.fold_ident( v ) ), try!( folder.fold_ty( ty ) )) )
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:547:40
[INFO] [stderr]     |
[INFO] [stderr] 547 |   Ok( (try!( folder.fold_ident( v ) ), try!( folder.fold_ty( ty ) )) )
[INFO] [stderr]     |                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:552:9
[INFO] [stderr]     |
[INFO] [stderr] 552 |   Ok( ( try!( folder.fold_name( v ) ), try!( folder.fold_ty( ty ) ) ) )
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:552:40
[INFO] [stderr]     |
[INFO] [stderr] 552 |   Ok( ( try!( folder.fold_name( v ) ), try!( folder.fold_ty( ty ) ) ) )
[INFO] [stderr]     |                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:557:8
[INFO] [stderr]     |
[INFO] [stderr] 557 |   Ok( (try!( folder.fold_builtin_fn( v ) ), try!( folder.fold_ty( ty ) )) )
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:557:45
[INFO] [stderr]     |
[INFO] [stderr] 557 |   Ok( (try!( folder.fold_builtin_fn( v ) ), try!( folder.fold_ty( ty ) )) )
[INFO] [stderr]     |                                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:562:9
[INFO] [stderr]     |
[INFO] [stderr] 562 |   Ok( ((try!( cl.try_map( |c| folder.fold_expr( c ) ) )
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:563:11
[INFO] [stderr]     |
[INFO] [stderr] 563 |         , try!( folder.fold_exprs( ar ) ))
[INFO] [stderr]     |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:564:9
[INFO] [stderr]     |
[INFO] [stderr] 564 |       , try!( folder.fold_ty( ty ) )) )
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:128:9
[INFO] [stderr]     |
[INFO] [stderr] 128 |         try!( Module::resolve_namespace_expr( body
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:137:7
[INFO] [stderr]     |
[INFO] [stderr] 137 |       try!( self.insert_fn( fun, &mut fnam ) );
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:175:11
[INFO] [stderr]     |
[INFO] [stderr] 175 |           try!( Module::resolve_namespace_expr( e, arguments, scope, binds ) );
[INFO] [stderr]     |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:182:9
[INFO] [stderr]     |
[INFO] [stderr] 182 |         try!( Module::resolve_namespace_expr( &mut **cnd
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:189:9
[INFO] [stderr]     |
[INFO] [stderr] 189 |         try!( Module::resolve_namespace_expr( &mut **thn
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:196:9
[INFO] [stderr]     |
[INFO] [stderr] 196 |         try!( Module::resolve_namespace_expr( &mut **els
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:211:15
[INFO] [stderr]     |
[INFO] [stderr] 211 |               try!( Module::resolve_namespace_expr( bdy
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:227:11
[INFO] [stderr]     |
[INFO] [stderr] 227 |           try!( Module::resolve_namespace_expr( &mut *bdy
[INFO] [stderr]     |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:250:9
[INFO] [stderr]     |
[INFO] [stderr] 250 |         try!( Module::resolve_application_expr( bdy ) );
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:265:9
[INFO] [stderr]     |
[INFO] [stderr] 265 |         try!( Module::resolve_application_expr( &mut **cnd ) );
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:266:9
[INFO] [stderr]     |
[INFO] [stderr] 266 |         try!( Module::resolve_application_expr( &mut **thn ) );
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:267:9
[INFO] [stderr]     |
[INFO] [stderr] 267 |         try!( Module::resolve_application_expr( &mut **els ) );
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:276:13
[INFO] [stderr]     |
[INFO] [stderr] 276 |             try!( Module::resolve_application_expr( arge ) );
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:306:7
[INFO] [stderr]     |
[INFO] [stderr] 306 |       try!( Module::resolve_type( &mut fun.ty ) );
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:331:11
[INFO] [stderr]     |
[INFO] [stderr] 331 |           try!( Module::resolve_type( elm ) );
[INFO] [stderr]     |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:335:9
[INFO] [stderr]     |
[INFO] [stderr] 335 |         try!( Module::resolve_type( &mut **inner ) );
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:339:11
[INFO] [stderr]     |
[INFO] [stderr] 339 |           try!( Module::resolve_type( arg ) );
[INFO] [stderr]     |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:342:9
[INFO] [stderr]     |
[INFO] [stderr] 342 |         try!( Module::resolve_type( &mut **ret ) );
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:359:9
[INFO] [stderr]     |
[INFO] [stderr] 359 |         try!( Module::type_check_expr( bdy ) );
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:366:9
[INFO] [stderr]     |
[INFO] [stderr] 366 |         try!( Module::coerce_expr( bdy, rty ) );
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:381:11
[INFO] [stderr]     |
[INFO] [stderr] 381 |           try!( Module::type_check_expr( &mut **cnd ) );
[INFO] [stderr]     |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:382:11
[INFO] [stderr]     |
[INFO] [stderr] 382 |           try!( Module::type_check_expr( &mut **thn ) );
[INFO] [stderr]     |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:383:11
[INFO] [stderr]     |
[INFO] [stderr] 383 |           try!( Module::type_check_expr( &mut **els ) );
[INFO] [stderr]     |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:387:11
[INFO] [stderr]     |
[INFO] [stderr] 387 |           try!( Module::coerce_expr( &mut **cnd
[INFO] [stderr]     |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:416:9
[INFO] [stderr]     |
[INFO] [stderr] 416 |         try!( Module::type_check_expr( callee ) );
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:419:11
[INFO] [stderr]     |
[INFO] [stderr] 419 |           try!( Module::type_check_expr( arg ) );
[INFO] [stderr]     |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:422:9
[INFO] [stderr]     |
[INFO] [stderr] 422 |         try!( Module::type_check_function_call( callee, args, ety ) );
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:425:11
[INFO] [stderr]     |
[INFO] [stderr] 425 |           try!( Module::coerce_expr( arg, callee.ty.argument_type( i ) ) );
[INFO] [stderr]     |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:507:9
[INFO] [stderr]     |
[INFO] [stderr] 507 |         try!( Module::type_check_function_call( callee, args, ety ) )
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:621:32
[INFO] [stderr]     |
[INFO] [stderr] 621 |     let ((cnd, thn, els), _) = try!( folder::follow_expr_if( cte, ty, self ) );
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:642:28
[INFO] [stderr]     |
[INFO] [stderr] 642 |     let ((fe, fargs), _) = try!( folder::follow_expr_fn_call( f, ty, self ) );
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:682:26
[INFO] [stderr]     |
[INFO] [stderr] 682 |       Item::Fn( fun ) => try!( module.insert_toplevel_fn( fun ) ),
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:683:27
[INFO] [stderr]     |
[INFO] [stderr] 683 |       Item::Type( ty ) => try!( module.insert_type_def( ty ) )
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:687:3
[INFO] [stderr]     |
[INFO] [stderr] 687 |   try!( module.resolve_namespaces() );
[INFO] [stderr]     |   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:688:3
[INFO] [stderr]     |
[INFO] [stderr] 688 |   try!( NameValidator::validate( &module ) );
[INFO] [stderr]     |   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:689:3
[INFO] [stderr]     |
[INFO] [stderr] 689 |   try!( module.resolve_applications() );
[INFO] [stderr]     |   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:690:3
[INFO] [stderr]     |
[INFO] [stderr] 690 |   try!( module.resolve_types() );
[INFO] [stderr]     |   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:691:12
[INFO] [stderr]     |
[INFO] [stderr] 691 |   module = try!( TypeAnnotator::annotate( module ) );
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:692:3
[INFO] [stderr]     |
[INFO] [stderr] 692 |   try!( module.check_types() );
[INFO] [stderr]     |   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/tokenizer.rs:190:8
[INFO] [stderr]     |
[INFO] [stderr] 190 |     '0'...'9' => true,
[INFO] [stderr]     |        ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: patterns aren't allowed in methods without bodies
[INFO] [stderr]   --> src/folder.rs:40:18
[INFO] [stderr]    |
[INFO] [stderr] 40 |   fn try_map<F>( mut self, mut f : F ) -> Result<Self, E> where F : FnMut( V ) -> Result<V, E>;
[INFO] [stderr]    |                  ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(patterns_in_fns_without_body)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #35203 <https://github.com/rust-lang/rust/issues/35203>
[INFO] [stderr] 
[INFO] [stderr] warning: patterns aren't allowed in methods without bodies
[INFO] [stderr]   --> src/folder.rs:40:28
[INFO] [stderr]    |
[INFO] [stderr] 40 |   fn try_map<F>( mut self, mut f : F ) -> Result<Self, E> where F : FnMut( V ) -> Result<V, E>;
[INFO] [stderr]    |                            ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #35203 <https://github.com/rust-lang/rust/issues/35203>
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `rustc::llvm`
[INFO] [stderr]  --> src/builtin.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use rustc::llvm;
[INFO] [stderr]   |     ^^^^^^^^^^^ no `llvm` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `rustc::llvm`
[INFO] [stderr]  --> src/builtin.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | use rustc::llvm::{ContextRef, ValueRef, ModuleRef, TypeRef, BuilderRef};
[INFO] [stderr]   |            ^^^^ could not find `llvm` in `rustc`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `rustc::llvm`
[INFO] [stderr]  --> src/codegen.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use rustc::llvm;
[INFO] [stderr]   |     ^^^^^^^^^^^ no `llvm` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `rustc::llvm`
[INFO] [stderr]  --> src/codegen.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | use rustc::llvm::{ContextRef, ValueRef, ModuleRef
[INFO] [stderr]   |            ^^^^ could not find `llvm` in `rustc`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::fs::PathExt`
[INFO] [stderr]   --> src/main.rs:39:7
[INFO] [stderr]    |
[INFO] [stderr] 39 |   use std::fs::PathExt;
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^ no `PathExt` in `fs`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `llvm` in `rustc`
[INFO] [stderr]    --> src/main.rs:126:12
[INFO] [stderr]     |
[INFO] [stderr] 126 |     rustc::llvm::LLVMDumpModule( llmodule );
[INFO] [stderr]     |            ^^^^ could not find `llvm` in `rustc`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filemap.rs:155:20
[INFO] [stderr]     |
[INFO] [stderr] 155 |     let mut file = try!( File::open( &path ) );
[INFO] [stderr]     |                    ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filemap.rs:157:13
[INFO] [stderr]     |
[INFO] [stderr] 157 |     let _ = try!( file.read_to_string( &mut source ) );
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filemap.rs:172:17
[INFO] [stderr]     |
[INFO] [stderr] 172 |     let entry = try!( self.lookup_charloc( loc ) );
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/tokenizer.rs:165:5
[INFO] [stderr]     |
[INFO] [stderr] 165 |       try!( $subj.$token()
[INFO] [stderr]     |       ^^^
[INFO] [stderr] ...
[INFO] [stderr] 248 |         let token = match fallthrough!( self : comment
[INFO] [stderr]     |  _________________________-
[INFO] [stderr] 249 | |                                            , ident
[INFO] [stderr] 250 | |                                            , integer
[INFO] [stderr] 251 | |                                            , symbol ) {
[INFO] [stderr]     | |_____________________________________________________- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/tokenizer.rs:278:8
[INFO] [stderr]     |
[INFO] [stderr] 278 |     if try!( self.try_current() ) != ';' {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/tokenizer.rs:305:30
[INFO] [stderr]     |
[INFO] [stderr] 305 |     if ! is_ident_start_chr( try!( self.try_current() ) ) {
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/tokenizer.rs:338:15
[INFO] [stderr]     |
[INFO] [stderr] 338 |     let chr = try!( self.try_current() );
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/tokenizer.rs:372:19
[INFO] [stderr]     |
[INFO] [stderr] 372 |     let mut chr = try!( self.try_current() );
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/tokenizer.rs:380:15
[INFO] [stderr]     |
[INFO] [stderr] 380 |         chr = try!( self.try_current() );
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser.rs:78:19
[INFO] [stderr]    |
[INFO] [stderr] 78 |       items.push( try!( self.item() ) );
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser.rs:85:26
[INFO] [stderr]    |
[INFO] [stderr] 85 |     if let Some( fun ) = try!( self.fn_def() ) {
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser.rs:87:32
[INFO] [stderr]    |
[INFO] [stderr] 87 |     } else if let Some( ty ) = try!( self.type_def() ) {
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser.rs:90:32
[INFO] [stderr]    |
[INFO] [stderr] 90 |     } else if let Some( dt ) = try!( self.data_def() ) {
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:108:15
[INFO] [stderr]     |
[INFO] [stderr] 108 |     Ok( Some( try!( self.function() ) ) )
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:139:14
[INFO] [stderr]     |
[INFO] [stderr] 139 |     let ty = try!( self.any_type() );
[INFO] [stderr]     |              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:141:23
[INFO] [stderr]     |
[INFO] [stderr] 141 |     let constraints = try!( self.where_clause() );
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:147:13
[INFO] [stderr]     |
[INFO] [stderr] 147 |       Some( try!( self.expression() ) )
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:159:20
[INFO] [stderr]     |
[INFO] [stderr] 159 |     let start_ty = try!( self._type() );
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:183:23
[INFO] [stderr]     |
[INFO] [stderr] 183 |       arg_types.push( try!( self._type() ) );
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:188:18
[INFO] [stderr]     |
[INFO] [stderr] 188 |     let ret_ty = try!( self.any_type() );
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:194:29
[INFO] [stderr]     |
[INFO] [stderr] 194 |     if let Some( tup_ty ) = try!( self.tuple_type() ) {
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:197:37
[INFO] [stderr]     |
[INFO] [stderr] 197 |     } else if let Some( list_ty ) = try!( self.list_type() ) {
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:218:20
[INFO] [stderr]     |
[INFO] [stderr] 218 |     let first_ty = try!( self.any_type() );
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:240:19
[INFO] [stderr]     |
[INFO] [stderr] 240 |       types.push( try!( self.any_type() ) );
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:265:17
[INFO] [stderr]     |
[INFO] [stderr] 265 |     let inner = try!( self.any_type() );
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:304:25
[INFO] [stderr]     |
[INFO] [stderr] 304 |       constraints.push( try!( self.class() ) );
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:342:17
[INFO] [stderr]     |
[INFO] [stderr] 342 |     let first = try!( self.op_expr( 0 ) );
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:369:19
[INFO] [stderr]     |
[INFO] [stderr] 369 |     let mut lhs = try!( self.lower_op_expr( op_precedence ) );
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:379:19
[INFO] [stderr]     |
[INFO] [stderr] 379 |         let rhs = try!( self.lower_op_expr( op_precedence ) );
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:412:18
[INFO] [stderr]     |
[INFO] [stderr] 412 |       let expr = try!( self.expression() );
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:421:32
[INFO] [stderr]     |
[INFO] [stderr] 421 |       if let Some( if_expr ) = try!( self.if_expr() ) {
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:424:40
[INFO] [stderr]     |
[INFO] [stderr] 424 |       } else if let Some( let_expr ) = try!( self.let_expr() ) {
[INFO] [stderr]     |                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:454:16
[INFO] [stderr]     |
[INFO] [stderr] 454 |     let cond = try!( self.expression()
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:465:16
[INFO] [stderr]     |
[INFO] [stderr] 465 |     let then = try!( self.expression()
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:476:15
[INFO] [stderr]     |
[INFO] [stderr] 476 |     let els = try!( self.expression()
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:498:23
[INFO] [stderr]     |
[INFO] [stderr] 498 |       let_items.push( try!( self.function() ) );
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:510:16
[INFO] [stderr]     |
[INFO] [stderr] 510 |     let expr = try!( self.expression() );
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:539:16
[INFO] [stderr]     |
[INFO] [stderr] 539 |     let base = try!( self.any_type() );
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:569:14
[INFO] [stderr]     |
[INFO] [stderr] 569 |       body = try!( self.any_type() );
[INFO] [stderr]     |              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:593:24
[INFO] [stderr]     |
[INFO] [stderr] 593 |       let field_type = try!( self.any_type() );
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/folder.rs:49:26
[INFO] [stderr]    |
[INFO] [stderr] 49 |         ptr::write( elm, try!( f( ptr::read( elm ) ) ) );
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/folder.rs:61:20
[INFO] [stderr]    |
[INFO] [stderr] 61 |       self = Some( try!( f( v ) ) )
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/folder.rs:74:21
[INFO] [stderr]    |
[INFO] [stderr] 74 |     let mut inner = try!( f( replace( &mut self, Invalidable::invalid() ) ) );
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:266:10
[INFO] [stderr]     |
[INFO] [stderr] 266 |     *t = try!( folder.fold_typedef( (n, ty) ) );
[INFO] [stderr]     |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:271:10
[INFO] [stderr]     |
[INFO] [stderr] 271 |     *f = try!( folder.fold_fn( fun ) );
[INFO] [stderr]     |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:278:7
[INFO] [stderr]     |
[INFO] [stderr] 278 |   Ok( try!( folder.fold_ty( ty ) ) )
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:298:12
[INFO] [stderr]     |
[INFO] [stderr] 298 |   v.name = try!( folder.fold_ident( v.name ) );
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:299:12
[INFO] [stderr]     |
[INFO] [stderr] 299 |   v.ty   = try!( folder.fold_ty( v.ty ) );
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:300:17
[INFO] [stderr]     |
[INFO] [stderr] 300 |   v.arg_names = try!( v.arg_names.try_map( |a| folder.fold_ident( a ) ) );
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:304:11
[INFO] [stderr]     |
[INFO] [stderr] 304 |     Some( try!( folder.fold_expr( bdy ) ) )
[INFO] [stderr]     |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:307:19
[INFO] [stderr]     |
[INFO] [stderr] 307 |   v.constraints = try!( v.constraints.try_map( |c| folder.fold_class( c ) ) );
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:323:48
[INFO] [stderr]     |
[INFO] [stderr] 323 |     Type::NamedType( idt ) => Type::NamedType( try!( folder.fold_ty_named_type( idt ) ) ),
[INFO] [stderr]     |                                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:325:7
[INFO] [stderr]     |
[INFO] [stderr] 325 |       try!( folder.fold_ty_unit() );
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:329:20
[INFO] [stderr]     |
[INFO] [stderr] 329 |       let (i, t) = try!( folder.fold_ty_unique( (id, ty) ) );
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:333:24
[INFO] [stderr]     |
[INFO] [stderr] 333 |       Type::Structure( try!( folder.fold_ty_structure( pairs ) ) )
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:335:39
[INFO] [stderr]     |
[INFO] [stderr] 335 |     Type::Tuple( ts ) => Type::Tuple( try!( folder.fold_ty_tuple( ts ) ) ),
[INFO] [stderr]     |                                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:336:40
[INFO] [stderr]     |
[INFO] [stderr] 336 |     Type::List( inner ) => Type::List( try!( folder.fold_ty_list( inner ) ) ),
[INFO] [stderr]     |                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:338:22
[INFO] [stderr]     |
[INFO] [stderr] 338 |         let (a, r) = try!( folder.fold_ty_fn( (args, ret) ) );
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:342:25
[INFO] [stderr]     |
[INFO] [stderr] 342 |         let (id, ids) = try!( folder.fold_ty_generic( (idt, idts) ) );
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:346:22
[INFO] [stderr]     |
[INFO] [stderr] 346 |         let (a, r) = try!( folder.fold_ty_abstract_fn( (args, ret) ) );
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:350:25
[INFO] [stderr]     |
[INFO] [stderr] 350 |         let (e, a, r) = try!( folder.fold_ty_closure( (env, args, ret) ) );
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:353:52
[INFO] [stderr]     |
[INFO] [stderr] 353 |     Type::BuiltinType( bit ) => Type::BuiltinType( try!( folder.fold_ty_builtin_type( bit ) ) ),
[INFO] [stderr]     |                                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:355:22
[INFO] [stderr]     |
[INFO] [stderr] 355 |         let (i, a) = try!( folder.fold_ty_application( (inner, aps) ) );
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:359:7
[INFO] [stderr]     |
[INFO] [stderr] 359 |       try!( folder.fold_ty_untyped() );
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:387:11
[INFO] [stderr]     |
[INFO] [stderr] 387 |   let a = try!( folder.fold_tys( args ) );
[INFO] [stderr]     |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:388:11
[INFO] [stderr]     |
[INFO] [stderr] 388 |   let r = try!( ret.try_map( |r| folder.fold_ty( r ) ) );
[INFO] [stderr]     |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:395:12
[INFO] [stderr]     |
[INFO] [stderr] 395 |   let id = try!( folder.fold_ident( idt ) );
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:396:13
[INFO] [stderr]     |
[INFO] [stderr] 396 |   let ids = try!( idts.try_map( |i| folder.fold_ident( i ) ) );
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:403:11
[INFO] [stderr]     |
[INFO] [stderr] 403 |   let a = try!( folder.fold_tys( args ) );
[INFO] [stderr]     |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:404:11
[INFO] [stderr]     |
[INFO] [stderr] 404 |   let r = try!( ret.try_map( |r| folder.fold_ty( r ) ) );
[INFO] [stderr]     |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:410:11
[INFO] [stderr]     |
[INFO] [stderr] 410 |   let e = try!( folder.fold_tys( env ) );
[INFO] [stderr]     |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:411:11
[INFO] [stderr]     |
[INFO] [stderr] 411 |   let a = try!( folder.fold_tys( args ) );
[INFO] [stderr]     |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:412:11
[INFO] [stderr]     |
[INFO] [stderr] 412 |   let r = try!( ret.try_map( |r| folder.fold_ty( r ) ) );
[INFO] [stderr]     |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:424:11
[INFO] [stderr]     |
[INFO] [stderr] 424 |   let i = try!( inner.try_map( |t| folder.fold_ty( t ) ) );
[INFO] [stderr]     |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:429:11
[INFO] [stderr]     |
[INFO] [stderr] 429 |   let i = try!( folder.fold_ident( id ) );
[INFO] [stderr]     |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:430:11
[INFO] [stderr]     |
[INFO] [stderr] 430 |   let t = try!( ty.try_map( |v| folder.fold_ty( v ) ) );
[INFO] [stderr]     |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:436:11
[INFO] [stderr]     |
[INFO] [stderr] 436 |   let p = try!( pairs.try_map( |(id, ty)| {
[INFO] [stderr]     |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:437:13
[INFO] [stderr]     |
[INFO] [stderr] 437 |     let i = try!( folder.fold_ident( id ) );
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:438:13
[INFO] [stderr]     |
[INFO] [stderr] 438 |     let t = try!( folder.fold_ty( ty ) );
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:446:12
[INFO] [stderr]     |
[INFO] [stderr] 446 |   v.name = try!( folder.fold_ident( v.name ) );
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:447:14
[INFO] [stderr]     |
[INFO] [stderr] 447 |   v.params = try!( folder.fold_tys( v.params ) );
[INFO] [stderr]     |              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:457:27
[INFO] [stderr]     |
[INFO] [stderr] 457 |         let ((f, b), t) = try!( folder.fold_expr_let( (fs, bdy), ty ) );
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:462:22
[INFO] [stderr]     |
[INFO] [stderr] 462 |         let (v, t) = try!( folder.fold_expr_unresolved_name( idt, ty ) );
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:467:22
[INFO] [stderr]     |
[INFO] [stderr] 467 |         let (v, t) = try!( folder.fold_expr_apply( exprs, ty ) );
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:472:31
[INFO] [stderr]     |
[INFO] [stderr] 472 |         let ((c, th, e), t) = try!( folder.fold_expr_if( (cnd, thn, els), ty ) );
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:477:22
[INFO] [stderr]     |
[INFO] [stderr] 477 |         let (v, t) = try!( folder.fold_expr_literal( lit, ty ) );
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:482:20
[INFO] [stderr]     |
[INFO] [stderr] 482 |       let (v, t) = try!( folder.fold_expr_arg( idt, ty ) );
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:487:20
[INFO] [stderr]     |
[INFO] [stderr] 487 |       let (v, t) = try!( folder.fold_expr_named( nam, ty ) );
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:492:20
[INFO] [stderr]     |
[INFO] [stderr] 492 |       let (v, t) = try!( folder.fold_expr_builtin_fn( bif, ty ) );
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:497:27
[INFO] [stderr]     |
[INFO] [stderr] 497 |         let ((c, a), t) = try!( folder.fold_expr_fn_call( (callee, args), ty ) );
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:502:14
[INFO] [stderr]     |
[INFO] [stderr] 502 |         ty = try!( folder.fold_expr_invalid( ty ) );
[INFO] [stderr]     |              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:516:9
[INFO] [stderr]     |
[INFO] [stderr] 516 |   Ok( ((try!( fs.try_map( |f| folder.fold_fn( f ) ) )
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:517:11
[INFO] [stderr]     |
[INFO] [stderr] 517 |         , try!( ex.try_map( |e| folder.fold_expr( e ) ) ) )
[INFO] [stderr]     |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:518:9
[INFO] [stderr]     |
[INFO] [stderr] 518 |       , try!( folder.fold_ty( ty ) )) )
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:523:8
[INFO] [stderr]     |
[INFO] [stderr] 523 |   Ok( (try!( folder.fold_ident( v ) ), try!( folder.fold_ty( ty ) )) )
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:523:40
[INFO] [stderr]     |
[INFO] [stderr] 523 |   Ok( (try!( folder.fold_ident( v ) ), try!( folder.fold_ty( ty ) )) )
[INFO] [stderr]     |                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:528:8
[INFO] [stderr]     |
[INFO] [stderr] 528 |   Ok( (try!( v.try_map( |val| folder.fold_expr( val ) ) )
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:529:9
[INFO] [stderr]     |
[INFO] [stderr] 529 |       , try!( folder.fold_ty( ty ) )) )
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:534:9
[INFO] [stderr]     |
[INFO] [stderr] 534 |   Ok( ((try!( cnd.try_map( |c| folder.fold_expr( c ) ) )
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:535:11
[INFO] [stderr]     |
[INFO] [stderr] 535 |         , try!( thn.try_map( |t| folder.fold_expr( t ) ) )
[INFO] [stderr]     |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:536:11
[INFO] [stderr]     |
[INFO] [stderr] 536 |         , try!( els.try_map( |e| folder.fold_expr( e ) ) ) )
[INFO] [stderr]     |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:537:10
[INFO] [stderr]     |
[INFO] [stderr] 537 |        , try!( folder.fold_ty( ty ) )) )
[INFO] [stderr]     |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:542:8
[INFO] [stderr]     |
[INFO] [stderr] 542 |   Ok( (try!( folder.fold_literal( v ) ), try!( folder.fold_ty( ty ) )) )
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:542:42
[INFO] [stderr]     |
[INFO] [stderr] 542 |   Ok( (try!( folder.fold_literal( v ) ), try!( folder.fold_ty( ty ) )) )
[INFO] [stderr]     |                                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:547:8
[INFO] [stderr]     |
[INFO] [stderr] 547 |   Ok( (try!( folder.fold_ident( v ) ), try!( folder.fold_ty( ty ) )) )
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:547:40
[INFO] [stderr]     |
[INFO] [stderr] 547 |   Ok( (try!( folder.fold_ident( v ) ), try!( folder.fold_ty( ty ) )) )
[INFO] [stderr]     |                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:552:9
[INFO] [stderr]     |
[INFO] [stderr] 552 |   Ok( ( try!( folder.fold_name( v ) ), try!( folder.fold_ty( ty ) ) ) )
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:552:40
[INFO] [stderr]     |
[INFO] [stderr] 552 |   Ok( ( try!( folder.fold_name( v ) ), try!( folder.fold_ty( ty ) ) ) )
[INFO] [stderr]     |                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:557:8
[INFO] [stderr]     |
[INFO] [stderr] 557 |   Ok( (try!( folder.fold_builtin_fn( v ) ), try!( folder.fold_ty( ty ) )) )
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:557:45
[INFO] [stderr]     |
[INFO] [stderr] 557 |   Ok( (try!( folder.fold_builtin_fn( v ) ), try!( folder.fold_ty( ty ) )) )
[INFO] [stderr]     |                                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:562:9
[INFO] [stderr]     |
[INFO] [stderr] 562 |   Ok( ((try!( cl.try_map( |c| folder.fold_expr( c ) ) )
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:563:11
[INFO] [stderr]     |
[INFO] [stderr] 563 |         , try!( folder.fold_exprs( ar ) ))
[INFO] [stderr]     |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/folder.rs:564:9
[INFO] [stderr]     |
[INFO] [stderr] 564 |       , try!( folder.fold_ty( ty ) )) )
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:128:9
[INFO] [stderr]     |
[INFO] [stderr] 128 |         try!( Module::resolve_namespace_expr( body
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:137:7
[INFO] [stderr]     |
[INFO] [stderr] 137 |       try!( self.insert_fn( fun, &mut fnam ) );
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:175:11
[INFO] [stderr]     |
[INFO] [stderr] 175 |           try!( Module::resolve_namespace_expr( e, arguments, scope, binds ) );
[INFO] [stderr]     |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:182:9
[INFO] [stderr]     |
[INFO] [stderr] 182 |         try!( Module::resolve_namespace_expr( &mut **cnd
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:189:9
[INFO] [stderr]     |
[INFO] [stderr] 189 |         try!( Module::resolve_namespace_expr( &mut **thn
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:196:9
[INFO] [stderr]     |
[INFO] [stderr] 196 |         try!( Module::resolve_namespace_expr( &mut **els
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:211:15
[INFO] [stderr]     |
[INFO] [stderr] 211 |               try!( Module::resolve_namespace_expr( bdy
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:227:11
[INFO] [stderr]     |
[INFO] [stderr] 227 |           try!( Module::resolve_namespace_expr( &mut *bdy
[INFO] [stderr]     |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:250:9
[INFO] [stderr]     |
[INFO] [stderr] 250 |         try!( Module::resolve_application_expr( bdy ) );
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:265:9
[INFO] [stderr]     |
[INFO] [stderr] 265 |         try!( Module::resolve_application_expr( &mut **cnd ) );
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:266:9
[INFO] [stderr]     |
[INFO] [stderr] 266 |         try!( Module::resolve_application_expr( &mut **thn ) );
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:267:9
[INFO] [stderr]     |
[INFO] [stderr] 267 |         try!( Module::resolve_application_expr( &mut **els ) );
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:276:13
[INFO] [stderr]     |
[INFO] [stderr] 276 |             try!( Module::resolve_application_expr( arge ) );
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:306:7
[INFO] [stderr]     |
[INFO] [stderr] 306 |       try!( Module::resolve_type( &mut fun.ty ) );
[INFO] [stderr]     |       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:331:11
[INFO] [stderr]     |
[INFO] [stderr] 331 |           try!( Module::resolve_type( elm ) );
[INFO] [stderr]     |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:335:9
[INFO] [stderr]     |
[INFO] [stderr] 335 |         try!( Module::resolve_type( &mut **inner ) );
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:339:11
[INFO] [stderr]     |
[INFO] [stderr] 339 |           try!( Module::resolve_type( arg ) );
[INFO] [stderr]     |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:342:9
[INFO] [stderr]     |
[INFO] [stderr] 342 |         try!( Module::resolve_type( &mut **ret ) );
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:359:9
[INFO] [stderr]     |
[INFO] [stderr] 359 |         try!( Module::type_check_expr( bdy ) );
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:366:9
[INFO] [stderr]     |
[INFO] [stderr] 366 |         try!( Module::coerce_expr( bdy, rty ) );
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:381:11
[INFO] [stderr]     |
[INFO] [stderr] 381 |           try!( Module::type_check_expr( &mut **cnd ) );
[INFO] [stderr]     |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:382:11
[INFO] [stderr]     |
[INFO] [stderr] 382 |           try!( Module::type_check_expr( &mut **thn ) );
[INFO] [stderr]     |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:383:11
[INFO] [stderr]     |
[INFO] [stderr] 383 |           try!( Module::type_check_expr( &mut **els ) );
[INFO] [stderr]     |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:387:11
[INFO] [stderr]     |
[INFO] [stderr] 387 |           try!( Module::coerce_expr( &mut **cnd
[INFO] [stderr]     |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:416:9
[INFO] [stderr]     |
[INFO] [stderr] 416 |         try!( Module::type_check_expr( callee ) );
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:419:11
[INFO] [stderr]     |
[INFO] [stderr] 419 |           try!( Module::type_check_expr( arg ) );
[INFO] [stderr]     |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:422:9
[INFO] [stderr]     |
[INFO] [stderr] 422 |         try!( Module::type_check_function_call( callee, args, ety ) );
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:425:11
[INFO] [stderr]     |
[INFO] [stderr] 425 |           try!( Module::coerce_expr( arg, callee.ty.argument_type( i ) ) );
[INFO] [stderr]     |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:507:9
[INFO] [stderr]     |
[INFO] [stderr] 507 |         try!( Module::type_check_function_call( callee, args, ety ) )
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:621:32
[INFO] [stderr]     |
[INFO] [stderr] 621 |     let ((cnd, thn, els), _) = try!( folder::follow_expr_if( cte, ty, self ) );
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:642:28
[INFO] [stderr]     |
[INFO] [stderr] 642 |     let ((fe, fargs), _) = try!( folder::follow_expr_fn_call( f, ty, self ) );
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:682:26
[INFO] [stderr]     |
[INFO] [stderr] 682 |       Item::Fn( fun ) => try!( module.insert_toplevel_fn( fun ) ),
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:683:27
[INFO] [stderr]     |
[INFO] [stderr] 683 |       Item::Type( ty ) => try!( module.insert_type_def( ty ) )
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:687:3
[INFO] [stderr]     |
[INFO] [stderr] 687 |   try!( module.resolve_namespaces() );
[INFO] [stderr]     |   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:688:3
[INFO] [stderr]     |
[INFO] [stderr] 688 |   try!( NameValidator::validate( &module ) );
[INFO] [stderr]     |   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:689:3
[INFO] [stderr]     |
[INFO] [stderr] 689 |   try!( module.resolve_applications() );
[INFO] [stderr]     |   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:690:3
[INFO] [stderr]     |
[INFO] [stderr] 690 |   try!( module.resolve_types() );
[INFO] [stderr]     |   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:691:12
[INFO] [stderr]     |
[INFO] [stderr] 691 |   module = try!( TypeAnnotator::annotate( module ) );
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/trans.rs:692:3
[INFO] [stderr]     |
[INFO] [stderr] 692 |   try!( module.check_types() );
[INFO] [stderr]     |   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/tokenizer.rs:190:8
[INFO] [stderr]     |
[INFO] [stderr] 190 |     '0'...'9' => true,
[INFO] [stderr]     |        ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: patterns aren't allowed in methods without bodies
[INFO] [stderr]   --> src/folder.rs:40:18
[INFO] [stderr]    |
[INFO] [stderr] 40 |   fn try_map<F>( mut self, mut f : F ) -> Result<Self, E> where F : FnMut( V ) -> Result<V, E>;
[INFO] [stderr]    |                  ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(patterns_in_fns_without_body)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #35203 <https://github.com/rust-lang/rust/issues/35203>
[INFO] [stderr] 
[INFO] [stderr] warning: patterns aren't allowed in methods without bodies
[INFO] [stderr]   --> src/folder.rs:40:28
[INFO] [stderr]    |
[INFO] [stderr] 40 |   fn try_map<F>( mut self, mut f : F ) -> Result<Self, E> where F : FnMut( V ) -> Result<V, E>;
[INFO] [stderr]    |                            ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #35203 <https://github.com/rust-lang/rust/issues/35203>
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stderr]   --> src/folder.rs:40:3
[INFO] [stderr]    |
[INFO] [stderr] 40 |   fn try_map<F>( mut self, mut f : F ) -> Result<Self, E> where F : FnMut( V ) -> Result<V, E>;
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::marker::Sized` is not implemented for `Self`
[INFO] [stderr]    = note: to learn more, visit <https://doc.rust-lang.org/book/ch19-04-advanced-types.html#dynamically-sized-types-and-the-sized-trait>
[INFO] [stderr]    = help: consider adding a `where Self: std::marker::Sized` bound
[INFO] [stderr]    = note: required by `std::result::Result`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 7 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0277, E0432, E0433.
[INFO] [stderr] For more information about an error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `proxam`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stderr]   --> src/folder.rs:40:3
[INFO] [stderr]    |
[INFO] [stderr] 40 |   fn try_map<F>( mut self, mut f : F ) -> Result<Self, E> where F : FnMut( V ) -> Result<V, E>;
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::marker::Sized` is not implemented for `Self`
[INFO] [stderr]    = note: to learn more, visit <https://doc.rust-lang.org/book/ch19-04-advanced-types.html#dynamically-sized-types-and-the-sized-trait>
[INFO] [stderr]    = help: consider adding a `where Self: std::marker::Sized` bound
[INFO] [stderr]    = note: required by `std::result::Result`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 7 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0277, E0432, E0433.
[INFO] [stderr] For more information about an error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `proxam`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "fa5b9e72bbd71b40bdb15765e1083775a23a6a592358a0fef9d9c4a69304bb0c"`
[INFO] running `"docker" "rm" "-f" "fa5b9e72bbd71b40bdb15765e1083775a23a6a592358a0fef9d9c4a69304bb0c"`
[INFO] [stdout] fa5b9e72bbd71b40bdb15765e1083775a23a6a592358a0fef9d9c4a69304bb0c