[INFO] updating cached repository https://github.com/gsingh93/rlex
[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] f6cf4cc7f348b156fa1efd013455343623b4251c
[INFO] checking gsingh93/rlex against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgsingh93%2Frlex" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gsingh93/rlex on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/gsingh93/rlex
[INFO] finished tweaking git repo https://github.com/gsingh93/rlex
[INFO] tweaked toml for git repo https://github.com/gsingh93/rlex written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/gsingh93/rlex already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ea5c432f64089b99a3549d7ebd265457fae808fa4d952046e3dcb443eed61bc7
[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" "ea5c432f64089b99a3549d7ebd265457fae808fa4d952046e3dcb443eed61bc7"`
[INFO] [stderr]     Checking rlex v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: expected identifier, found keyword `move`
[INFO] [stderr]    --> src/automata.rs:310:39
[INFO] [stderr]     |
[INFO] [stderr] 310 |             self.cur_state = self.fsm.move(self.cur_state.get_ref(),
[INFO] [stderr]     |                                       ^^^^ expected identifier, found keyword
[INFO] [stderr]     |
[INFO] [stderr] help: you can escape reserved keywords to use them as identifiers
[INFO] [stderr]     |
[INFO] [stderr] 310 |             self.cur_state = self.fsm.r#move(self.cur_state.get_ref(),
[INFO] [stderr]     |                                       ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: expected identifier, found keyword `move`
[INFO] [stderr]    --> src/automata.rs:310:39
[INFO] [stderr]     |
[INFO] [stderr] 310 |             self.cur_state = self.fsm.move(self.cur_state.get_ref(),
[INFO] [stderr]     |                                       ^^^^ expected identifier, found keyword
[INFO] [stderr]     |
[INFO] [stderr] help: you can escape reserved keywords to use them as identifiers
[INFO] [stderr]     |
[INFO] [stderr] 310 |             self.cur_state = self.fsm.r#move(self.cur_state.get_ref(),
[INFO] [stderr]     |                                       ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: box expression syntax is experimental; you can call `Box::new` instead
[INFO] [stderr]    --> src/automata.rs:325:43
[INFO] [stderr]     |
[INFO] [stderr] 325 | ...                   inputs: box v.iter() };
[INFO] [stderr]     |                               ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #49733 <https://github.com/rust-lang/rust/issues/49733> for more information
[INFO] [stderr]     = help: add `#![feature(box_syntax)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/automata.rs:98:38
[INFO] [stderr]    |
[INFO] [stderr] 98 |             let (cur_state, input) = try!(res.unwrap());
[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/automata.rs:114:9
[INFO] [stderr]     |
[INFO] [stderr] 114 |         try!(write!(f, "Initial State: {}\n", self.initial_state));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/automata.rs:115:9
[INFO] [stderr]     |
[INFO] [stderr] 115 |         try!(write!(f, "Final States: "));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/automata.rs:117:13
[INFO] [stderr]     |
[INFO] [stderr] 117 |             try!(write!(f, "{} ", s));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/automata.rs:190:13
[INFO] [stderr]     |
[INFO] [stderr] 190 |             try!(dfa.insert_transition(&cur_state, &new_state, &input))
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/automata.rs:98:38
[INFO] [stderr]    |
[INFO] [stderr] 98 |             let (cur_state, input) = try!(res.unwrap());
[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/automata.rs:114:9
[INFO] [stderr]     |
[INFO] [stderr] 114 |         try!(write!(f, "Initial State: {}\n", self.initial_state));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/automata.rs:115:9
[INFO] [stderr]     |
[INFO] [stderr] 115 |         try!(write!(f, "Final States: "));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/automata.rs:117:13
[INFO] [stderr]     |
[INFO] [stderr] 117 |             try!(write!(f, "{} ", s));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/automata.rs:190:13
[INFO] [stderr]     |
[INFO] [stderr] 190 |             try!(dfa.insert_transition(&cur_state, &new_state, &input))
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/automata.rs:293:21
[INFO] [stderr]     |
[INFO] [stderr] 293 |         inputs: Box<Iterator<&'a String>>
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<&'a String>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0107]: wrong number of type arguments: expected 0, found 1
[INFO] [stderr]    --> src/automata.rs:293:30
[INFO] [stderr]     |
[INFO] [stderr] 293 |         inputs: Box<Iterator<&'a String>>
[INFO] [stderr]     |                              ^^^^^^^^^^ unexpected type argument
[INFO] [stderr] 
[INFO] [stderr] error[E0191]: the value of the associated type `Item` (from trait `std::iter::Iterator`) must be specified
[INFO] [stderr]    --> src/automata.rs:293:21
[INFO] [stderr]     |
[INFO] [stderr] 293 |         inputs: Box<Iterator<&'a String>>
[INFO] [stderr]     |                     ^^^^^^^^^----------^
[INFO] [stderr]     |                              |
[INFO] [stderr]     |                              help: specify the associated type: `Item = &'a String`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0107, E0191, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0107`.
[INFO] [stderr] error: could not compile `rlex`.
[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[E0309]: the parameter type `I` may not live long enough
[INFO] [stderr]   --> src/automata.rs:86:34
[INFO] [stderr]    |
[INFO] [stderr] 42 | impl<S: HashElt + Clone + Display, I: HashElt + Clone + Display> Automaton<S, I> {
[INFO] [stderr]    |                                    -- help: consider adding an explicit lifetime bound...: `I: 'a +`
[INFO] [stderr] ...
[INFO] [stderr] 86 |     fn simulate<'a, It: Iterator<Item = &'a I>>(&self, inputs: Vec<I>) -> Result<(), String> {
[INFO] [stderr]    |                                  ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: ...so that the reference type `&'a I` does not outlive the data it points at
[INFO] [stderr]   --> src/automata.rs:86:34
[INFO] [stderr]    |
[INFO] [stderr] 86 |     fn simulate<'a, It: Iterator<Item = &'a I>>(&self, inputs: Vec<I>) -> Result<(), String> {
[INFO] [stderr]    |                                  ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0309`.
[INFO] [stderr] error: could not compile `rlex`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "ea5c432f64089b99a3549d7ebd265457fae808fa4d952046e3dcb443eed61bc7"`
[INFO] running `"docker" "rm" "-f" "ea5c432f64089b99a3549d7ebd265457fae808fa4d952046e3dcb443eed61bc7"`
[INFO] [stdout] ea5c432f64089b99a3549d7ebd265457fae808fa4d952046e3dcb443eed61bc7
