[INFO] updating cached repository https://github.com/singaraiona/k-rs
[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] 5b8c63eea1e95d2e860af4b1fd0825a9ed8e328a
[INFO] testing singaraiona/k-rs against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsingaraiona%2Fk-rs" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/singaraiona/k-rs on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/singaraiona/k-rs
[INFO] finished tweaking git repo https://github.com/singaraiona/k-rs
[INFO] tweaked toml for git repo https://github.com/singaraiona/k-rs written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/singaraiona/k-rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ae09cf93c9ea69ca6eb77be4fbe935a011d43711b8d28b2265ae1853756042ff
[INFO] running `"docker" "start" "-a" "ae09cf93c9ea69ca6eb77be4fbe935a011d43711b8d28b2265ae1853756042ff"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.20
[INFO] [stderr]    Compiling gcc v0.3.43
[INFO] [stderr]    Compiling either v1.0.3
[INFO] [stderr]    Compiling regex-syntax v0.4.0
[INFO] [stderr]    Compiling cfg-if v0.1.0
[INFO] [stderr]    Compiling lazy_static v0.2.2
[INFO] [stderr]    Compiling unreachable v0.1.1
[INFO] [stderr]    Compiling itertools v0.5.9
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling thread-id v3.0.0
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling thread_local v0.3.2
[INFO] [stderr]    Compiling aho-corasick v0.6.1
[INFO] [stderr]    Compiling stacker v0.1.2
[INFO] [stderr]    Compiling num-bigint v0.1.35
[INFO] [stderr]    Compiling regex v0.2.1
[INFO] [stderr]    Compiling num-rational v0.1.35
[INFO] [stderr]    Compiling num v0.1.36
[INFO] [stderr]    Compiling k v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(box_syntax)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(box_patterns)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/lib.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![feature(concat_idents)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/lib.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #![feature(discriminant_value)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/lib.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | #![feature(slice_patterns)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/lib.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | #![feature(unboxed_closures)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/lib.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | #![feature(alloc)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/lib.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | #![feature(pattern)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parse/ast.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |         try!(write!(f, "["));
[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/ast.rs:47:13
[INFO] [stderr]    |
[INFO] [stderr] 47 |             try!(write!(f, "{};", arena.id_name(a[i])));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse/ast.rs:251:21
[INFO] [stderr]     |
[INFO] [stderr] 251 |                     try!(write!(f, "{}", Land(&s[0], arena)));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse/ast.rs:253:17
[INFO] [stderr]     |
[INFO] [stderr] 253 |                 try!(write!(f, "{}", *v as char));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse/ast.rs:256:25
[INFO] [stderr]     |
[INFO] [stderr] 256 |                         try!(write!(f, "{}", Land(&s[i], arena)));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse/ast.rs:258:21
[INFO] [stderr]     |
[INFO] [stderr] 258 |                     try!(write!(f, "{}", Land(&s[s.len() - 1], arena)));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse/ast.rs:263:17
[INFO] [stderr]     |
[INFO] [stderr] 263 |                 try!(write!(f, "{{{}", Land(a, arena)));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse/ast.rs:275:29
[INFO] [stderr]     |
[INFO] [stderr] 275 | ...                   try!(write!(f, "{} ", Land(v.get(i, &arena.ast), arena)));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse/ast.rs:280:29
[INFO] [stderr]     |
[INFO] [stderr] 280 | ...                   try!(write!(f, "("));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse/ast.rs:282:33
[INFO] [stderr]     |
[INFO] [stderr] 282 | ...                   try!(write!(f, "{};", Land(v.get(i, &arena.ast), arena)));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse/ast.rs:287:33
[INFO] [stderr]     |
[INFO] [stderr] 287 | ...                   try!(write!(f, "{}\n", Land(v.get(i, &arena.ast), arena)));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse/ast.rs:295:17
[INFO] [stderr]     |
[INFO] [stderr] 295 |                 try!(write!(f, "["));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse/ast.rs:299:21
[INFO] [stderr]     |
[INFO] [stderr] 299 |                     try!(write!(f, "{}:{};", Land(key, arena), Land(val, arena)));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse/ast.rs:310:21
[INFO] [stderr]     |
[INFO] [stderr] 310 |                     try!(write!(f, "{};", Land(&l[i], arena)));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse/parser.rs:102:24
[INFO] [stderr]     |
[INFO] [stderr] 102 |             let args = try!(self.parse_list(arena, Some(Token::CloseB)));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse/parser.rs:118:21
[INFO] [stderr]     |
[INFO] [stderr] 118 |             let e = try!(self.parse_list(arena, Some(Token::CloseB)));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse/parser.rs:125:17
[INFO] [stderr]     |
[INFO] [stderr] 125 |         let a = try!(self.expect(Token::Adverb));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse/parser.rs:136:17
[INFO] [stderr]     |
[INFO] [stderr] 136 |         let n = try!(self.parse_noun(arena));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse/parser.rs:137:21
[INFO] [stderr]     |
[INFO] [stderr] 137 |         let right = try!(self.parse_ex(arena, n));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse/parser.rs:155:21
[INFO] [stderr]     |
[INFO] [stderr] 155 |             let v = try!(self.expect(Token::Ioverb));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse/parser.rs:162:21
[INFO] [stderr]     |
[INFO] [stderr] 162 |             let n = try!(self.expect(Token::Bool));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse/parser.rs:171:21
[INFO] [stderr]     |
[INFO] [stderr] 171 |             let h = try!(self.expect(Token::Hexlit));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse/parser.rs:178:26
[INFO] [stderr]     |
[INFO] [stderr] 178 |             return match try!(self.parse_list(arena, Some(Token::CloseB))) {
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse/parser.rs:186:29
[INFO] [stderr]     |
[INFO] [stderr] 186 |                 let mut n = try!(self.expect(Token::Number));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse/parser.rs:191:33
[INFO] [stderr]     |
[INFO] [stderr] 191 |                         let x = try!(n.parse::<f64>());
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse/parser.rs:205:21
[INFO] [stderr]     |
[INFO] [stderr] 205 |             let n = try!(self.expect(Token::Verb));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse/parser.rs:214:25
[INFO] [stderr]     |
[INFO] [stderr] 214 |                 let _ = try!(self.expect(Token::OpenB));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse/parser.rs:215:25
[INFO] [stderr]     |
[INFO] [stderr] 215 |                 let r = try!(self.parse_list(arena, Some(Token::CloseB)));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse/parser.rs:227:25
[INFO] [stderr]     |
[INFO] [stderr] 227 |                 let n = try!(self.expect(Token::Symbol));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse/parser.rs:228:29
[INFO] [stderr]     |
[INFO] [stderr] 228 |                 let mut t = try!(n.parse::<String>());
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse/parser.rs:241:21
[INFO] [stderr]     |
[INFO] [stderr] 241 |             let s = try!(self.expect(Token::String));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse/parser.rs:242:25
[INFO] [stderr]     |
[INFO] [stderr] 242 |             let mut t = try!(s.parse::<String>());
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse/parser.rs:251:21
[INFO] [stderr]     |
[INFO] [stderr] 251 |             let n = try!(self.expect(Token::Name));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse/parser.rs:252:21
[INFO] [stderr]     |
[INFO] [stderr] 252 |             let t = try!(n.parse::<String>());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse/parser.rs:258:25
[INFO] [stderr]     |
[INFO] [stderr] 258 |                 let n = try!(self.parse_noun(arena));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse/parser.rs:259:25
[INFO] [stderr]     |
[INFO] [stderr] 259 |                 let r = try!(self.parse_ex(arena, n));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse/parser.rs:269:29
[INFO] [stderr]     |
[INFO] [stderr] 269 |                 let index = try!(self.parse_list(arena, Some(Token::CloseB)));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse/parser.rs:283:31
[INFO] [stderr]     |
[INFO] [stderr] 283 |                     let key = try!(self.expect(Token::Name));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse/parser.rs:285:29
[INFO] [stderr]     |
[INFO] [stderr] 285 |                     let n = try!(self.parse_noun(arena));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse/parser.rs:286:33
[INFO] [stderr]     |
[INFO] [stderr] 286 |                     let value = try!(self.parse_ex(arena, n));
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse/parser.rs:287:51
[INFO] [stderr]     |
[INFO] [stderr] 287 |                     let kname = arena.intern_name(try!(key.parse::<String>()));
[INFO] [stderr]     |                                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse/parser.rs:294:25
[INFO] [stderr]     |
[INFO] [stderr] 294 |                 let _ = try!(self.expect(Token::CloseB));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse/parser.rs:305:29
[INFO] [stderr]     |
[INFO] [stderr] 305 |                     let n = try!(self.expect(Token::Name));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse/parser.rs:306:29
[INFO] [stderr]     |
[INFO] [stderr] 306 |                     let t = try!(n.parse::<String>());
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse/parser.rs:312:25
[INFO] [stderr]     |
[INFO] [stderr] 312 |                 let _ = try!(self.expect(Token::CloseB));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse/parser.rs:314:21
[INFO] [stderr]     |
[INFO] [stderr] 314 |             let r = try!(self.parse_list(arena, Some(Token::CloseC)));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse/parser.rs:337:21
[INFO] [stderr]     |
[INFO] [stderr] 337 |             let n = try!(self.parse_list(arena, Some(Token::CloseP)));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse/parser.rs:360:21
[INFO] [stderr]     |
[INFO] [stderr] 360 |             let n = try!(self.parse_noun(arena));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse/parser.rs:364:21
[INFO] [stderr]     |
[INFO] [stderr] 364 |             let p = try!(self.parse_ex(arena, n));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse/parser.rs:380:21
[INFO] [stderr]     |
[INFO] [stderr] 380 |             let n = try!(self.expect(Token::Verb));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse/parser.rs:388:21
[INFO] [stderr]     |
[INFO] [stderr] 388 |             let x = try!(self.parse_noun(arena));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse/parser.rs:389:21
[INFO] [stderr]     |
[INFO] [stderr] 389 |             let r = try!(self.parse_ex(arena, x));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse/parser.rs:403:21
[INFO] [stderr]     |
[INFO] [stderr] 403 |             let n = try!(self.parse_noun(arena));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parse/parser.rs:413:21
[INFO] [stderr]     |
[INFO] [stderr] 413 |             let _ = try!(self.expect(x));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/exec/i10.rs:51:28
[INFO] [stderr]    |
[INFO] [stderr] 51 |                     r.push(try!(s2.add(x, &AST::Int { value: b }, id)));
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/exec/i10.rs:59:28
[INFO] [stderr]    |
[INFO] [stderr] 59 |                     r.push(try!(s2.add(x, &AST::Int { value: a }, id)));
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/exec/i10.rs:71:28
[INFO] [stderr]    |
[INFO] [stderr] 71 |                     r.push(try!(s2.add(x, y, id)));
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/exec/i10.rs:89:28
[INFO] [stderr]    |
[INFO] [stderr] 89 |                     r.push(try!(s2.add(x, &AST::Int { value: b }, id)));
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/exec/i10.rs:97:28
[INFO] [stderr]    |
[INFO] [stderr] 97 |                     r.push(try!(s2.add(x, &AST::Int { value: a }, id)));
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/exec/i10.rs:109:28
[INFO] [stderr]     |
[INFO] [stderr] 109 |                     r.push(try!(s2.add(x, y, id)));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/exec/i10.rs:127:28
[INFO] [stderr]     |
[INFO] [stderr] 127 |                     r.push(try!(s2.add(x, &AST::Int { value: b }, id)));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/exec/i10.rs:135:28
[INFO] [stderr]     |
[INFO] [stderr] 135 |                     r.push(try!(s2.add(x, &AST::Int { value: a }, id)));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/exec/i10.rs:147:28
[INFO] [stderr]     |
[INFO] [stderr] 147 |                     r.push(try!(s2.add(x, y, id)));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/exec/i10.rs:170:23
[INFO] [stderr]     |
[INFO] [stderr] 170 |                 match try!(s2.eval(&e, id)) {
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/exec/i10.rs:189:29
[INFO] [stderr]     |
[INFO] [stderr] 189 |                     let x = try!(self.eval(&v, e));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/exec/i10.rs:202:25
[INFO] [stderr]     |
[INFO] [stderr] 202 |                 let t = try!(self.arena.native_id_id(n).ok_or(ExecError::InvalidNativeCall));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/exec/i10.rs:208:41
[INFO] [stderr]     |
[INFO] [stderr] 208 | ...                   let r = try!(self.eval(&cargs[0], id));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/exec/i10.rs:223:41
[INFO] [stderr]     |
[INFO] [stderr] 223 | ...                   let r = try!(self.eval(&cargs[0], id));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/exec/i10.rs:252:17
[INFO] [stderr]     |
[INFO] [stderr] 252 |         let v = try!(self.eval(value, id));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/exec/i10.rs:289:33
[INFO] [stderr]     |
[INFO] [stderr] 289 |                         let x = try!(handle::from_raw(h).eval(&arg[0], id));
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/exec/i10.rs:290:33
[INFO] [stderr]     |
[INFO] [stderr] 290 |                         let y = try!(handle::from_raw(h).eval(&arg[1], id));
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/exec/i10.rs:296:33
[INFO] [stderr]     |
[INFO] [stderr] 296 |                         let x = try!(handle::from_raw(h).eval(&arg[0], id));
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/exec/i10.rs:297:33
[INFO] [stderr]     |
[INFO] [stderr] 297 |                         let y = try!(handle::from_raw(h).eval(&arg[1], id));
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/exec/i10.rs:303:33
[INFO] [stderr]     |
[INFO] [stderr] 303 |                         let x = try!(handle::from_raw(h).eval(&arg[0], id));
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/exec/i10.rs:304:33
[INFO] [stderr]     |
[INFO] [stderr] 304 |                         let y = try!(handle::from_raw(h).eval(&arg[1], id));
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/exec/i10.rs:310:33
[INFO] [stderr]     |
[INFO] [stderr] 310 |                         let x = try!(handle::from_raw(h).eval(&arg[0], id));
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/exec/i10.rs:311:33
[INFO] [stderr]     |
[INFO] [stderr] 311 |                         let y = try!(handle::from_raw(h).eval(&arg[1], id));
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/exec/i10.rs:316:33
[INFO] [stderr]     |
[INFO] [stderr] 316 |                         let x = try!(handle::from_raw(h)
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/exec/i10.rs:333:33
[INFO] [stderr]     |
[INFO] [stderr] 333 |                         let x = try!(handle::from_raw(h)
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/exec/i10.rs:358:41
[INFO] [stderr]     |
[INFO] [stderr] 358 | ...                   let x = try!(handle::from_raw(h).eval(&arg[0], id));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/exec/i10.rs:362:41
[INFO] [stderr]     |
[INFO] [stderr] 362 | ...                   let x = try!(handle::from_raw(h).eval(&arg[0], id));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/exec/i10.rs:363:41
[INFO] [stderr]     |
[INFO] [stderr] 363 | ...                   let y = try!(handle::from_raw(h).eval(&arg[1], id));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/exec/i10.rs:376:25
[INFO] [stderr]     |
[INFO] [stderr] 376 |                 let u = try!(handle::from_raw(h).eval(a, id));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/exec/i10.rs:377:25
[INFO] [stderr]     |
[INFO] [stderr] 377 |                 let _ = try!(handle::from_raw(h).define(n, &u, id));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/exec/i10.rs:381:25
[INFO] [stderr]     |
[INFO] [stderr] 381 |                 let u = try!(self.get(n, id));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/exec/i10.rs:388:26
[INFO] [stderr]     |
[INFO] [stderr] 388 |                     *u = try!(s2.eval(u, id));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/exec/i10.rs:398:26
[INFO] [stderr]     |
[INFO] [stderr] 398 |                     *u = try!(s2.eval(u, id));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/parse/arena.rs:132:45
[INFO] [stderr]     |
[INFO] [stderr] 132 |                     FromPrimitive::from_u64((((size + a - 1) as u64) / a as u64)).unwrap();
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/parse/parser.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | / macro_rules! extract {
[INFO] [stderr] 13 | |     ($k:expr) => (match $k {
[INFO] [stderr] 14 | |         AST::Int{value: v} => v,
[INFO] [stderr] 15 | |         _ => unimplemented!(),
[INFO] [stderr] 16 | |     })
[INFO] [stderr] 17 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/parse/token.rs:6:1
[INFO] [stderr]    |
[INFO] [stderr] 6  | / lazy_static! {
[INFO] [stderr] 7  | |     // Tokens
[INFO] [stderr] 8  | |     static ref TOKENS: Vec<Regex> = vec![r"^[01]+b",                               // 0 - BOOL
[INFO] [stderr] 9  | |                                          r"^0x[a-zA-Z\d]+",                        // 1 - HEXLIT
[INFO] [stderr] ...  |
[INFO] [stderr] 30 | |                                          .iter().map(|x| Regex::new(x).unwrap()).collect();
[INFO] [stderr] 31 | | }
[INFO] [stderr]    | |_^
[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 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/parse/token.rs:6:1
[INFO] [stderr]    |
[INFO] [stderr] 6  | / lazy_static! {
[INFO] [stderr] 7  | |     // Tokens
[INFO] [stderr] 8  | |     static ref TOKENS: Vec<Regex> = vec![r"^[01]+b",                               // 0 - BOOL
[INFO] [stderr] 9  | |                                          r"^0x[a-zA-Z\d]+",                        // 1 - HEXLIT
[INFO] [stderr] ...  |
[INFO] [stderr] 30 | |                                          .iter().map(|x| Regex::new(x).unwrap()).collect();
[INFO] [stderr] 31 | | }
[INFO] [stderr]    | |_^
[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] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stderr]  --> src/parse/arena.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use alloc::raw_vec::RawVec;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stderr]   --> src/parse/arena.rs:12:10
[INFO] [stderr]    |
[INFO] [stderr] 12 |     mem: RawVec<u8>,
[INFO] [stderr]    |          ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stderr]   --> src/parse/arena.rs:33:18
[INFO] [stderr]    |
[INFO] [stderr] 33 |             mem: RawVec::new(),
[INFO] [stderr]    |                  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stderr]   --> src/parse/arena.rs:41:21
[INFO] [stderr]    |
[INFO] [stderr] 41 |         let mut m = RawVec::with_capacity(capacity * size_of::<T>());
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/parse/parser.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 | /         lazy_static! {
[INFO] [stderr] 22 | |             static ref RE: Regex = Regex::new(r"(\x22(?:[^\x22\x5C\n]|\.)*\x22)|[a-zA-Z]*[ ]+(/.*)|([a-z\d\]\)]-\.?\d+)|.")
[INFO] [stderr] 23 | |                 .unwrap();
[INFO] [stderr] 24 | |         }
[INFO] [stderr]    | |_________^
[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 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/parse/parser.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 | /         lazy_static! {
[INFO] [stderr] 22 | |             static ref RE: Regex = Regex::new(r"(\x22(?:[^\x22\x5C\n]|\.)*\x22)|[a-zA-Z]*[ ]+(/.*)|([a-z\d\]\)]-\.?\d+)|.")
[INFO] [stderr] 23 | |                 .unwrap();
[INFO] [stderr] 24 | |         }
[INFO] [stderr]    | |_________^
[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 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]   --> src/parse/token.rs:94:24
[INFO] [stderr]    |
[INFO] [stderr] 94 |         let s = self.0.trim_right_matches(pat);
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stderr]   --> src/parse/arena.rs:42:11
[INFO] [stderr]    |
[INFO] [stderr] 42 |         m.reserve(0, capacity);
[INFO] [stderr]    |           ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stderr]   --> src/parse/arena.rs:59:52
[INFO] [stderr]    |
[INFO] [stderr] 59 |         unsafe { transmute::<*mut u8, &T>(self.mem.ptr().offset(self.offset(item))) }
[INFO] [stderr]    |                                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stderr]   --> src/parse/arena.rs:64:56
[INFO] [stderr]    |
[INFO] [stderr] 64 |         unsafe { transmute::<*mut u8, &mut T>(self.mem.ptr().offset(self.offset(item))) }
[INFO] [stderr]    |                                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stderr]   --> src/parse/arena.rs:69:52
[INFO] [stderr]    |
[INFO] [stderr] 69 |         unsafe { transmute::<*mut u8, &E>(self.mem.ptr().offset(self.offset(item))) }
[INFO] [stderr]    |                                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stderr]   --> src/parse/arena.rs:74:56
[INFO] [stderr]    |
[INFO] [stderr] 74 |         unsafe { transmute::<*mut u8, &mut E>(self.mem.ptr().offset(self.offset(item))) }
[INFO] [stderr]    |                                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stderr]   --> src/parse/arena.rs:80:52
[INFO] [stderr]    |
[INFO] [stderr] 80 |         unsafe { transmute::<*mut u8, &E>(self.mem.ptr().offset(self.offset(item) + off)) }
[INFO] [stderr]    |                                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stderr]   --> src/parse/arena.rs:86:56
[INFO] [stderr]    |
[INFO] [stderr] 86 |         unsafe { transmute::<*mut u8, &mut E>(self.mem.ptr().offset(self.offset(item) + off)) }
[INFO] [stderr]    |                                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stderr]   --> src/parse/arena.rs:91:56
[INFO] [stderr]    |
[INFO] [stderr] 91 |         unsafe { transmute::<*mut u8, *mut E>(self.mem.ptr().offset(self.offset(item))) }
[INFO] [stderr]    |                                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stderr]   --> src/parse/arena.rs:98:18
[INFO] [stderr]    |
[INFO] [stderr] 98 |         self.mem.reserve(used, size_of::<T>());
[INFO] [stderr]    |                  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stderr]    --> src/parse/arena.rs:148:18
[INFO] [stderr]     |
[INFO] [stderr] 148 |         self.mem.reserve(used, size);
[INFO] [stderr]     |                  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stderr]    --> src/parse/arena.rs:184:18
[INFO] [stderr]     |
[INFO] [stderr] 184 |         self.mem.reserve(used, es);
[INFO] [stderr]     |                  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]   --> src/parse/parser.rs:64:50
[INFO] [stderr]    |
[INFO] [stderr] 64 |                 self.text = self.text[x.len()..].trim_left().to_string();
[INFO] [stderr]    |                                                  ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 23 previous errors; 95 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0554, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `k`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "ae09cf93c9ea69ca6eb77be4fbe935a011d43711b8d28b2265ae1853756042ff"`
[INFO] running `"docker" "rm" "-f" "ae09cf93c9ea69ca6eb77be4fbe935a011d43711b8d28b2265ae1853756042ff"`
[INFO] [stdout] ae09cf93c9ea69ca6eb77be4fbe935a011d43711b8d28b2265ae1853756042ff