[INFO] crate redfa 0.0.2 is already in cache
[INFO] testing redfa-0.0.2 against 1.44.0 for beta-1.45-1
[INFO] extracting crate redfa 0.0.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate redfa 0.0.2 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate redfa 0.0.2
[INFO] finished tweaking crates.io crate redfa 0.0.2
[INFO] tweaked toml for crates.io crate redfa 0.0.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.44.0" "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] b6fc4ae531bf488771df333dc303309eecc09f5d1f2d9080ed02a405877e27a2
[INFO] running `"docker" "start" "-a" "b6fc4ae531bf488771df333dc303309eecc09f5d1f2d9080ed02a405877e27a2"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling bit-vec v0.4.4
[INFO] [stderr]    Compiling vec_map v0.6.0
[INFO] [stderr]    Compiling bit-set v0.4.0
[INFO] [stderr]    Compiling redfa v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/regex.rs:242:29
[INFO] [stderr]     |
[INFO] [stderr] 242 |                     let c = try!(self.char());
[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/regex.rs:248:33
[INFO] [stderr]     |
[INFO] [stderr] 248 |                         let d = try!(self.char());
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/regex.rs:272:25
[INFO] [stderr]     |
[INFO] [stderr] 272 |                 let r = try!(self.alt());
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/regex.rs:287:25
[INFO] [stderr]     |
[INFO] [stderr] 287 |                 let r = try!(self.chars());
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/regex.rs:302:36
[INFO] [stderr]     |
[INFO] [stderr] 302 |             Some(_) => Ok(Alt(vec![try!(self.char())], Vec::new())),
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/regex.rs:310:21
[INFO] [stderr]     |
[INFO] [stderr] 310 |         let mut r = try!(self.atom());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/regex.rs:337:68
[INFO] [stderr]     |
[INFO] [stderr] 337 |                 Some(&c) if Parser::<I>::kleene_first(c) => r.push(try!(self.kleene())),
[INFO] [stderr]     |                                                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/regex.rs:347:33
[INFO] [stderr]     |
[INFO] [stderr] 347 |                 Ok(Not(Box::new(try!(self.not()))))
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/regex.rs:353:26
[INFO] [stderr]     |
[INFO] [stderr] 353 |         let mut r = vec![try!(self.not())];
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/regex.rs:358:28
[INFO] [stderr]     |
[INFO] [stderr] 358 |                     r.push(try!(self.not()));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/regex.rs:366:26
[INFO] [stderr]     |
[INFO] [stderr] 366 |         let mut r = vec![try!(self.and())];
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/regex.rs:371:28
[INFO] [stderr]     |
[INFO] [stderr] 371 |                     r.push(try!(self.and()));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/regex.rs:380:17
[INFO] [stderr]     |
[INFO] [stderr] 380 |         let r = try!(parser.alt());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.84s
[INFO] running `"docker" "inspect" "b6fc4ae531bf488771df333dc303309eecc09f5d1f2d9080ed02a405877e27a2"`
[INFO] running `"docker" "rm" "-f" "b6fc4ae531bf488771df333dc303309eecc09f5d1f2d9080ed02a405877e27a2"`
[INFO] [stdout] b6fc4ae531bf488771df333dc303309eecc09f5d1f2d9080ed02a405877e27a2
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8adefa7c730726696b51d5155ac60650558b5efa8d2827201456e86f09b44fe1
[INFO] running `"docker" "start" "-a" "8adefa7c730726696b51d5155ac60650558b5efa8d2827201456e86f09b44fe1"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling redfa v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/regex.rs:242:29
[INFO] [stderr]     |
[INFO] [stderr] 242 |                     let c = try!(self.char());
[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/regex.rs:248:33
[INFO] [stderr]     |
[INFO] [stderr] 248 |                         let d = try!(self.char());
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/regex.rs:272:25
[INFO] [stderr]     |
[INFO] [stderr] 272 |                 let r = try!(self.alt());
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/regex.rs:287:25
[INFO] [stderr]     |
[INFO] [stderr] 287 |                 let r = try!(self.chars());
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/regex.rs:302:36
[INFO] [stderr]     |
[INFO] [stderr] 302 |             Some(_) => Ok(Alt(vec![try!(self.char())], Vec::new())),
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/regex.rs:310:21
[INFO] [stderr]     |
[INFO] [stderr] 310 |         let mut r = try!(self.atom());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/regex.rs:337:68
[INFO] [stderr]     |
[INFO] [stderr] 337 |                 Some(&c) if Parser::<I>::kleene_first(c) => r.push(try!(self.kleene())),
[INFO] [stderr]     |                                                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/regex.rs:347:33
[INFO] [stderr]     |
[INFO] [stderr] 347 |                 Ok(Not(Box::new(try!(self.not()))))
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/regex.rs:353:26
[INFO] [stderr]     |
[INFO] [stderr] 353 |         let mut r = vec![try!(self.not())];
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/regex.rs:358:28
[INFO] [stderr]     |
[INFO] [stderr] 358 |                     r.push(try!(self.not()));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/regex.rs:366:26
[INFO] [stderr]     |
[INFO] [stderr] 366 |         let mut r = vec![try!(self.and())];
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/regex.rs:371:28
[INFO] [stderr]     |
[INFO] [stderr] 371 |                     r.push(try!(self.and()));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/regex.rs:380:17
[INFO] [stderr]     |
[INFO] [stderr] 380 |         let r = try!(parser.alt());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/regex.rs:242:29
[INFO] [stderr]     |
[INFO] [stderr] 242 |                     let c = try!(self.char());
[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/regex.rs:248:33
[INFO] [stderr]     |
[INFO] [stderr] 248 |                         let d = try!(self.char());
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/regex.rs:272:25
[INFO] [stderr]     |
[INFO] [stderr] 272 |                 let r = try!(self.alt());
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/regex.rs:287:25
[INFO] [stderr]     |
[INFO] [stderr] 287 |                 let r = try!(self.chars());
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/regex.rs:302:36
[INFO] [stderr]     |
[INFO] [stderr] 302 |             Some(_) => Ok(Alt(vec![try!(self.char())], Vec::new())),
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/regex.rs:310:21
[INFO] [stderr]     |
[INFO] [stderr] 310 |         let mut r = try!(self.atom());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/regex.rs:337:68
[INFO] [stderr]     |
[INFO] [stderr] 337 |                 Some(&c) if Parser::<I>::kleene_first(c) => r.push(try!(self.kleene())),
[INFO] [stderr]     |                                                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/regex.rs:347:33
[INFO] [stderr]     |
[INFO] [stderr] 347 |                 Ok(Not(Box::new(try!(self.not()))))
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/regex.rs:353:26
[INFO] [stderr]     |
[INFO] [stderr] 353 |         let mut r = vec![try!(self.not())];
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/regex.rs:358:28
[INFO] [stderr]     |
[INFO] [stderr] 358 |                     r.push(try!(self.not()));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/regex.rs:366:26
[INFO] [stderr]     |
[INFO] [stderr] 366 |         let mut r = vec![try!(self.and())];
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/regex.rs:371:28
[INFO] [stderr]     |
[INFO] [stderr] 371 |                     r.push(try!(self.and()));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/regex.rs:380:17
[INFO] [stderr]     |
[INFO] [stderr] 380 |         let r = try!(parser.alt());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.93s
[INFO] running `"docker" "inspect" "8adefa7c730726696b51d5155ac60650558b5efa8d2827201456e86f09b44fe1"`
[INFO] running `"docker" "rm" "-f" "8adefa7c730726696b51d5155ac60650558b5efa8d2827201456e86f09b44fe1"`
[INFO] [stdout] 8adefa7c730726696b51d5155ac60650558b5efa8d2827201456e86f09b44fe1
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.44.0" "test" "--frozen"`
[INFO] [stdout] 0c3b0fa3a6c10256e9ef3666728fb8e00a32ca1e67f54de8a87a55d5596f743d
[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" "0c3b0fa3a6c10256e9ef3666728fb8e00a32ca1e67f54de8a87a55d5596f743d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/regex.rs:242:29
[INFO] [stderr]     |
[INFO] [stderr] 242 |                     let c = try!(self.char());
[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/regex.rs:248:33
[INFO] [stderr]     |
[INFO] [stderr] 248 |                         let d = try!(self.char());
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/regex.rs:272:25
[INFO] [stderr]     |
[INFO] [stderr] 272 |                 let r = try!(self.alt());
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/regex.rs:287:25
[INFO] [stderr]     |
[INFO] [stderr] 287 |                 let r = try!(self.chars());
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/regex.rs:302:36
[INFO] [stderr]     |
[INFO] [stderr] 302 |             Some(_) => Ok(Alt(vec![try!(self.char())], Vec::new())),
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/regex.rs:310:21
[INFO] [stderr]     |
[INFO] [stderr] 310 |         let mut r = try!(self.atom());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/regex.rs:337:68
[INFO] [stderr]     |
[INFO] [stderr] 337 |                 Some(&c) if Parser::<I>::kleene_first(c) => r.push(try!(self.kleene())),
[INFO] [stderr]     |                                                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/regex.rs:347:33
[INFO] [stderr]     |
[INFO] [stderr] 347 |                 Ok(Not(Box::new(try!(self.not()))))
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/regex.rs:353:26
[INFO] [stderr]     |
[INFO] [stderr] 353 |         let mut r = vec![try!(self.not())];
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/regex.rs:358:28
[INFO] [stderr]     |
[INFO] [stderr] 358 |                     r.push(try!(self.not()));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/regex.rs:366:26
[INFO] [stderr]     |
[INFO] [stderr] 366 |         let mut r = vec![try!(self.and())];
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/regex.rs:371:28
[INFO] [stderr]     |
[INFO] [stderr] 371 |                     r.push(try!(self.and()));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/regex.rs:380:17
[INFO] [stderr]     |
[INFO] [stderr] 380 |         let r = try!(parser.alt());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/regex.rs:242:29
[INFO] [stderr]     |
[INFO] [stderr] 242 |                     let c = try!(self.char());
[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/regex.rs:248:33
[INFO] [stderr]     |
[INFO] [stderr] 248 |                         let d = try!(self.char());
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/regex.rs:272:25
[INFO] [stderr]     |
[INFO] [stderr] 272 |                 let r = try!(self.alt());
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/regex.rs:287:25
[INFO] [stderr]     |
[INFO] [stderr] 287 |                 let r = try!(self.chars());
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/regex.rs:302:36
[INFO] [stderr]     |
[INFO] [stderr] 302 |             Some(_) => Ok(Alt(vec![try!(self.char())], Vec::new())),
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/regex.rs:310:21
[INFO] [stderr]     |
[INFO] [stderr] 310 |         let mut r = try!(self.atom());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/regex.rs:337:68
[INFO] [stderr]     |
[INFO] [stderr] 337 |                 Some(&c) if Parser::<I>::kleene_first(c) => r.push(try!(self.kleene())),
[INFO] [stderr]     |                                                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/regex.rs:347:33
[INFO] [stderr]     |
[INFO] [stderr] 347 |                 Ok(Not(Box::new(try!(self.not()))))
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/regex.rs:353:26
[INFO] [stderr]     |
[INFO] [stderr] 353 |         let mut r = vec![try!(self.not())];
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/regex.rs:358:28
[INFO] [stderr]     |
[INFO] [stderr] 358 |                     r.push(try!(self.not()));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/regex.rs:366:26
[INFO] [stderr]     |
[INFO] [stderr] 366 |         let mut r = vec![try!(self.and())];
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/regex.rs:371:28
[INFO] [stderr]     |
[INFO] [stderr] 371 |                     r.push(try!(self.and()));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/regex.rs:380:17
[INFO] [stderr]     |
[INFO] [stderr] 380 |         let r = try!(parser.alt());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/redfa-4cabd0f74ae2ce9a
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::test_regex_parse ... ok
[INFO] [stdout] test tests::test_regex_parse_error ... ok
[INFO] [stdout] test tests::test_dfa_minimize ... ok
[INFO] [stdout] test tests::test_regex_to_dfa ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests redfa
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "0c3b0fa3a6c10256e9ef3666728fb8e00a32ca1e67f54de8a87a55d5596f743d"`
[INFO] running `"docker" "rm" "-f" "0c3b0fa3a6c10256e9ef3666728fb8e00a32ca1e67f54de8a87a55d5596f743d"`
[INFO] [stdout] 0c3b0fa3a6c10256e9ef3666728fb8e00a32ca1e67f54de8a87a55d5596f743d