[INFO] updating cached repository https://github.com/goffrie/redfa
[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] 932a22fc6679f74af8c122f24f4fd552d33a5947
[INFO] checking goffrie/redfa against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoffrie%2Fredfa" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/goffrie/redfa on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/goffrie/redfa
[INFO] finished tweaking git repo https://github.com/goffrie/redfa
[INFO] tweaked toml for git repo https://github.com/goffrie/redfa written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/goffrie/redfa already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /workspace/builds/worker-9/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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] 96d3e978c49cc06be911d7c3b33eaf6e7129d16186b50baac4753a20fbb15871
[INFO] running `"docker" "start" "-a" "96d3e978c49cc06be911d7c3b33eaf6e7129d16186b50baac4753a20fbb15871"`
[INFO] [stderr]     Checking bit-vec v0.6.1
[INFO] [stderr]     Checking vec_map v0.3.0
[INFO] [stderr]     Checking bit-set v0.2.0
[INFO] [stderr]     Checking redfa v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/regex.rs:269:29
[INFO] [stderr]     |
[INFO] [stderr] 269 |                     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:275:33
[INFO] [stderr]     |
[INFO] [stderr] 275 |                         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:299:25
[INFO] [stderr]     |
[INFO] [stderr] 299 |                 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:314:25
[INFO] [stderr]     |
[INFO] [stderr] 314 |                 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:329:36
[INFO] [stderr]     |
[INFO] [stderr] 329 |             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:337:21
[INFO] [stderr]     |
[INFO] [stderr] 337 |         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:360:68
[INFO] [stderr]     |
[INFO] [stderr] 360 |                 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:370:33
[INFO] [stderr]     |
[INFO] [stderr] 370 |                 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:376:26
[INFO] [stderr]     |
[INFO] [stderr] 376 |         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:381:28
[INFO] [stderr]     |
[INFO] [stderr] 381 |                     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:389:26
[INFO] [stderr]     |
[INFO] [stderr] 389 |         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:394:28
[INFO] [stderr]     |
[INFO] [stderr] 394 |                     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:403:17
[INFO] [stderr]     |
[INFO] [stderr] 403 |         let r = try!(parser.alt());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/regex.rs:269:29
[INFO] [stderr]     |
[INFO] [stderr] 269 |                     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:275:33
[INFO] [stderr]     |
[INFO] [stderr] 275 |                         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:299:25
[INFO] [stderr]     |
[INFO] [stderr] 299 |                 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:314:25
[INFO] [stderr]     |
[INFO] [stderr] 314 |                 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:329:36
[INFO] [stderr]     |
[INFO] [stderr] 329 |             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:337:21
[INFO] [stderr]     |
[INFO] [stderr] 337 |         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:360:68
[INFO] [stderr]     |
[INFO] [stderr] 360 |                 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:370:33
[INFO] [stderr]     |
[INFO] [stderr] 370 |                 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:376:26
[INFO] [stderr]     |
[INFO] [stderr] 376 |         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:381:28
[INFO] [stderr]     |
[INFO] [stderr] 381 |                     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:389:26
[INFO] [stderr]     |
[INFO] [stderr] 389 |         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:394:28
[INFO] [stderr]     |
[INFO] [stderr] 394 |                     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:403:17
[INFO] [stderr]     |
[INFO] [stderr] 403 |         let r = try!(parser.alt());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.07s
[INFO] running `"docker" "inspect" "96d3e978c49cc06be911d7c3b33eaf6e7129d16186b50baac4753a20fbb15871"`
[INFO] running `"docker" "rm" "-f" "96d3e978c49cc06be911d7c3b33eaf6e7129d16186b50baac4753a20fbb15871"`
[INFO] [stdout] 96d3e978c49cc06be911d7c3b33eaf6e7129d16186b50baac4753a20fbb15871