[INFO] cloning repository https://github.com/jawline/WebAssembly-Playground
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jawline/WebAssembly-Playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjawline%2FWebAssembly-Playground"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjawline%2FWebAssembly-Playground'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0894aad6884fd67d973005089c88437308eb9b04
[INFO] checking jawline/WebAssembly-Playground against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjawline%2FWebAssembly-Playground" "/workspace/builds/worker-11/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jawline/WebAssembly-Playground on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jawline/WebAssembly-Playground
[INFO] finished tweaking git repo https://github.com/jawline/WebAssembly-Playground
[INFO] tweaked toml for git repo https://github.com/jawline/WebAssembly-Playground written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/jawline/WebAssembly-Playground already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d09d215a56746f148d06f9358f2a2129577062903a0b1effba79272d9b2b3293
[INFO] running `"docker" "start" "-a" "d09d215a56746f148d06f9358f2a2129577062903a0b1effba79272d9b2b3293"`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking weblang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:143:12
[INFO] [stderr]     |
[INFO] [stderr] 143 |         res.push(try!(parse_expr(cur, args)));
[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/parse.rs:6:12
[INFO] [stderr]     |
[INFO] [stderr] 6   |         if try!(tok($cur, false)) != $thet {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 149 |     expect!(Token::RParen, cur);
[INFO] [stderr]     |     ---------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:14:9
[INFO] [stderr]     |
[INFO] [stderr] 14  |         try!(tok($cur, false))
[INFO] [stderr]     |         ^^^
[INFO] [stderr] ...
[INFO] [stderr] 154 |     let atom_tok = next!(cur);
[INFO] [stderr]     |                    ---------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:6:12
[INFO] [stderr]     |
[INFO] [stderr] 6   |         if try!(tok($cur, false)) != $thet {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 159 |             expect!(Token::LParen, cur);
[INFO] [stderr]     |             ---------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:160:15
[INFO] [stderr]     |
[INFO] [stderr] 160 |             let args = try!(parse_fn_args(cur, args));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:174:11
[INFO] [stderr]     |
[INFO] [stderr] 174 |     let a1 = try!(parse_atom(cur, args));
[INFO] [stderr]     |              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:26:3
[INFO] [stderr]     |
[INFO] [stderr] 26  |         try!(tok($cur, true))
[INFO] [stderr]     |         ^^^
[INFO] [stderr] ...
[INFO] [stderr] 177 |     if peek!(cur).op().is_some() {
[INFO] [stderr]     |        ---------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:14:9
[INFO] [stderr]     |
[INFO] [stderr] 14  |         try!(tok($cur, false))
[INFO] [stderr]     |         ^^^
[INFO] [stderr] ...
[INFO] [stderr] 178 |         Ok(AST::BinaryOp(next!(cur).op().unwrap(), Box::new(a1), Box::new(try!(parse_expr(cur, args)))))
[INFO] [stderr]     |                          ---------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:178:69
[INFO] [stderr]     |
[INFO] [stderr] 178 |         Ok(AST::BinaryOp(next!(cur).op().unwrap(), Box::new(a1), Box::new(try!(parse_expr(cur, args)))))
[INFO] [stderr]     |                                                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:6:12
[INFO] [stderr]     |
[INFO] [stderr] 6   |         if try!(tok($cur, false)) != $thet {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 188 |         expect!(Token::If, cur); //Discard If
[INFO] [stderr]     |         ------------------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:189:13
[INFO] [stderr]     |
[INFO] [stderr] 189 |         let cnd = try!(parse_expr(cur, args));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:6:12
[INFO] [stderr]     |
[INFO] [stderr] 6   |         if try!(tok($cur, false)) != $thet {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 190 |         expect!(Token::Then, cur);
[INFO] [stderr]     |         -------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:191:19
[INFO] [stderr]     |
[INFO] [stderr] 191 |         let true_path = try!(parse_expr(cur, args));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:6:12
[INFO] [stderr]     |
[INFO] [stderr] 6   |         if try!(tok($cur, false)) != $thet {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 192 |         expect!(Token::Else, cur);
[INFO] [stderr]     |         -------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:193:20
[INFO] [stderr]     |
[INFO] [stderr] 193 |         let false_path = try!(parse_expr(cur, args));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:6:12
[INFO] [stderr]     |
[INFO] [stderr] 6   |         if try!(tok($cur, false)) != $thet {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 202 |         expect!(Token::LParen, cur);
[INFO] [stderr]     |         ---------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:6:12
[INFO] [stderr]     |
[INFO] [stderr] 6   |         if try!(tok($cur, false)) != $thet {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 204 |         expect!(Token::RParen, cur);
[INFO] [stderr]     |         ---------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:14:9
[INFO] [stderr]     |
[INFO] [stderr] 14  |         try!(tok($cur, false))
[INFO] [stderr]     |         ^^^
[INFO] [stderr] ...
[INFO] [stderr] 215 |     match next!(cur) {
[INFO] [stderr]     |           ---------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:227:14
[INFO] [stderr]     |
[INFO] [stderr] 227 |         args.push((try!(parse_arg(cur)), Type::Int32));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:6:12
[INFO] [stderr]     |
[INFO] [stderr] 6   |         if try!(tok($cur, false)) != $thet {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 233 |     expect!(Token::RParen, cur);
[INFO] [stderr]     |     ---------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:14:9
[INFO] [stderr]     |
[INFO] [stderr] 14  |         try!(tok($cur, false))
[INFO] [stderr]     |         ^^^
[INFO] [stderr] ...
[INFO] [stderr] 241 |     match next!(cur) {
[INFO] [stderr]     |           ---------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:6:12
[INFO] [stderr]     |
[INFO] [stderr] 6   |         if try!(tok($cur, false)) != $thet {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 246 |     expect!(Token::LParen, cur);
[INFO] [stderr]     |     ---------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:248:13
[INFO] [stderr]     |
[INFO] [stderr] 248 |     let args = try!(parse_args(cur));
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:6:12
[INFO] [stderr]     |
[INFO] [stderr] 6   |         if try!(tok($cur, false)) != $thet {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 250 |     expect!(Token::LBrace, cur);
[INFO] [stderr]     |     ---------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:252:20
[INFO] [stderr]     |
[INFO] [stderr] 252 |     let parsed_expr = try!(parse_expr(cur, &args));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:6:12
[INFO] [stderr]     |
[INFO] [stderr] 6   |         if try!(tok($cur, false)) != $thet {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 255 |     expect!(Token::RBrace, cur);
[INFO] [stderr]     |     ---------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:6:12
[INFO] [stderr]     |
[INFO] [stderr] 6   |         if try!(tok($cur, false)) != $thet {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 262 |     expect!(Token::Function, cur);
[INFO] [stderr]     |     ------------------------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:263:15
[INFO] [stderr]     |
[INFO] [stderr] 263 |     let new_fn = try!(parse_fn(cur));
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:266:12
[INFO] [stderr]     |
[INFO] [stderr] 266 |         Ok(push!(try!(parse_top(cur)), new_fn))
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:273:15
[INFO] [stderr]     |
[INFO] [stderr] 273 |     let parsed = try!(parse_top(cur));
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]  --> src/warn.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | / macro_rules! warn(
[INFO] [stderr] 2 | |     ($($arg:tt)*) => { {
[INFO] [stderr] 3 | |         let r = writeln!(&mut ::std::io::stderr(), $($arg)*);
[INFO] [stderr] 4 | |         r.expect("failed printing to stderr");
[INFO] [stderr] 5 | |     } }
[INFO] [stderr] 6 | | );
[INFO] [stderr]   | |__^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:143:12
[INFO] [stderr]     |
[INFO] [stderr] 143 |         res.push(try!(parse_expr(cur, args)));
[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/parse.rs:6:12
[INFO] [stderr]     |
[INFO] [stderr] 6   |         if try!(tok($cur, false)) != $thet {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 149 |     expect!(Token::RParen, cur);
[INFO] [stderr]     |     ---------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:14:9
[INFO] [stderr]     |
[INFO] [stderr] 14  |         try!(tok($cur, false))
[INFO] [stderr]     |         ^^^
[INFO] [stderr] ...
[INFO] [stderr] 154 |     let atom_tok = next!(cur);
[INFO] [stderr]     |                    ---------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:6:12
[INFO] [stderr]     |
[INFO] [stderr] 6   |         if try!(tok($cur, false)) != $thet {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 159 |             expect!(Token::LParen, cur);
[INFO] [stderr]     |             ---------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:160:15
[INFO] [stderr]     |
[INFO] [stderr] 160 |             let args = try!(parse_fn_args(cur, args));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:174:11
[INFO] [stderr]     |
[INFO] [stderr] 174 |     let a1 = try!(parse_atom(cur, args));
[INFO] [stderr]     |              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:26:3
[INFO] [stderr]     |
[INFO] [stderr] 26  |         try!(tok($cur, true))
[INFO] [stderr]     |         ^^^
[INFO] [stderr] ...
[INFO] [stderr] 177 |     if peek!(cur).op().is_some() {
[INFO] [stderr]     |        ---------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:14:9
[INFO] [stderr]     |
[INFO] [stderr] 14  |         try!(tok($cur, false))
[INFO] [stderr]     |         ^^^
[INFO] [stderr] ...
[INFO] [stderr] 178 |         Ok(AST::BinaryOp(next!(cur).op().unwrap(), Box::new(a1), Box::new(try!(parse_expr(cur, args)))))
[INFO] [stderr]     |                          ---------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:178:69
[INFO] [stderr]     |
[INFO] [stderr] 178 |         Ok(AST::BinaryOp(next!(cur).op().unwrap(), Box::new(a1), Box::new(try!(parse_expr(cur, args)))))
[INFO] [stderr]     |                                                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:6:12
[INFO] [stderr]     |
[INFO] [stderr] 6   |         if try!(tok($cur, false)) != $thet {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 188 |         expect!(Token::If, cur); //Discard If
[INFO] [stderr]     |         ------------------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:189:13
[INFO] [stderr]     |
[INFO] [stderr] 189 |         let cnd = try!(parse_expr(cur, args));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:6:12
[INFO] [stderr]     |
[INFO] [stderr] 6   |         if try!(tok($cur, false)) != $thet {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 190 |         expect!(Token::Then, cur);
[INFO] [stderr]     |         -------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:191:19
[INFO] [stderr]     |
[INFO] [stderr] 191 |         let true_path = try!(parse_expr(cur, args));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:6:12
[INFO] [stderr]     |
[INFO] [stderr] 6   |         if try!(tok($cur, false)) != $thet {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 192 |         expect!(Token::Else, cur);
[INFO] [stderr]     |         -------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:193:20
[INFO] [stderr]     |
[INFO] [stderr] 193 |         let false_path = try!(parse_expr(cur, args));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:6:12
[INFO] [stderr]     |
[INFO] [stderr] 6   |         if try!(tok($cur, false)) != $thet {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 202 |         expect!(Token::LParen, cur);
[INFO] [stderr]     |         ---------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:6:12
[INFO] [stderr]     |
[INFO] [stderr] 6   |         if try!(tok($cur, false)) != $thet {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 204 |         expect!(Token::RParen, cur);
[INFO] [stderr]     |         ---------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:14:9
[INFO] [stderr]     |
[INFO] [stderr] 14  |         try!(tok($cur, false))
[INFO] [stderr]     |         ^^^
[INFO] [stderr] ...
[INFO] [stderr] 215 |     match next!(cur) {
[INFO] [stderr]     |           ---------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:227:14
[INFO] [stderr]     |
[INFO] [stderr] 227 |         args.push((try!(parse_arg(cur)), Type::Int32));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:6:12
[INFO] [stderr]     |
[INFO] [stderr] 6   |         if try!(tok($cur, false)) != $thet {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 233 |     expect!(Token::RParen, cur);
[INFO] [stderr]     |     ---------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:14:9
[INFO] [stderr]     |
[INFO] [stderr] 14  |         try!(tok($cur, false))
[INFO] [stderr]     |         ^^^
[INFO] [stderr] ...
[INFO] [stderr] 241 |     match next!(cur) {
[INFO] [stderr]     |           ---------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:6:12
[INFO] [stderr]     |
[INFO] [stderr] 6   |         if try!(tok($cur, false)) != $thet {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 246 |     expect!(Token::LParen, cur);
[INFO] [stderr]     |     ---------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:248:13
[INFO] [stderr]     |
[INFO] [stderr] 248 |     let args = try!(parse_args(cur));
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:6:12
[INFO] [stderr]     |
[INFO] [stderr] 6   |         if try!(tok($cur, false)) != $thet {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 250 |     expect!(Token::LBrace, cur);
[INFO] [stderr]     |     ---------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:252:20
[INFO] [stderr]     |
[INFO] [stderr] 252 |     let parsed_expr = try!(parse_expr(cur, &args));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:6:12
[INFO] [stderr]     |
[INFO] [stderr] 6   |         if try!(tok($cur, false)) != $thet {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 255 |     expect!(Token::RBrace, cur);
[INFO] [stderr]     |     ---------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:6:12
[INFO] [stderr]     |
[INFO] [stderr] 6   |         if try!(tok($cur, false)) != $thet {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 262 |     expect!(Token::Function, cur);
[INFO] [stderr]     |     ------------------------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:263:15
[INFO] [stderr]     |
[INFO] [stderr] 263 |     let new_fn = try!(parse_fn(cur));
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:266:12
[INFO] [stderr]     |
[INFO] [stderr] 266 |         Ok(push!(try!(parse_top(cur)), new_fn))
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:273:15
[INFO] [stderr]     |
[INFO] [stderr] 273 |     let parsed = try!(parse_top(cur));
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]  --> src/warn.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | / macro_rules! warn(
[INFO] [stderr] 2 | |     ($($arg:tt)*) => { {
[INFO] [stderr] 3 | |         let r = writeln!(&mut ::std::io::stderr(), $($arg)*);
[INFO] [stderr] 4 | |         r.expect("failed printing to stderr");
[INFO] [stderr] 5 | |     } }
[INFO] [stderr] 6 | | );
[INFO] [stderr]   | |__^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 31 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 31 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.62s
[INFO] running `"docker" "inspect" "d09d215a56746f148d06f9358f2a2129577062903a0b1effba79272d9b2b3293"`
[INFO] running `"docker" "rm" "-f" "d09d215a56746f148d06f9358f2a2129577062903a0b1effba79272d9b2b3293"`
[INFO] [stdout] d09d215a56746f148d06f9358f2a2129577062903a0b1effba79272d9b2b3293