[INFO] fetching crate tracery 0.1.0...
[INFO] checking tracery-0.1.0 against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166
[INFO] extracting crate tracery 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate tracery 0.1.0 on toolchain 1557fb031b272b4c5bfcc7de5df7eddc7b36a584
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tracery 0.1.0
[INFO] finished tweaking crates.io crate tracery 0.1.0
[INFO] tweaked toml for crates.io crate tracery 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 80280b1809ca8a97eaeaa98f62b9aa27ec712d9fa930ed137dceed1ece792acc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "80280b1809ca8a97eaeaa98f62b9aa27ec712d9fa930ed137dceed1ece792acc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80280b1809ca8a97eaeaa98f62b9aa27ec712d9fa930ed137dceed1ece792acc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80280b1809ca8a97eaeaa98f62b9aa27ec712d9fa930ed137dceed1ece792acc", kill_on_drop: false }`
[INFO] [stdout] 80280b1809ca8a97eaeaa98f62b9aa27ec712d9fa930ed137dceed1ece792acc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 851dad78b251e59f4291fcf154e5fc80e990753aa5ba7c5fcea3b2875cd80115
[INFO] running `Command { std: "docker" "start" "-a" "851dad78b251e59f4291fcf154e5fc80e990753aa5ba7c5fcea3b2875cd80115", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking serde v0.7.15
[INFO] [stderr]     Checking itoa v0.1.1
[INFO] [stderr]     Checking nom v1.2.4
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking serde_json v0.7.4
[INFO] [stderr]     Checking Inflector v0.2.1
[INFO] [stderr]     Checking tracery v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/tag.rs:80:12
[INFO] [stdout]    |
[INFO] [stdout] 80 |         Ok(try!(parse_tag(s)))
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/tag.rs:92:31
[INFO] [stdout]    |
[INFO] [stdout] 92 |             map.insert(label, try!(rule.flatten(grammar, overrides)));
[INFO] [stdout]    |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/tag.rs:108:22
[INFO] [stdout]     |
[INFO] [stdout] 108 |         let choice = try!(self.get_rule(grammar, &mut overrides));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/grammar.rs:79:22
[INFO] [stdout]    |
[INFO] [stdout] 79 |         Ok(Node::Tag(try!(Tag::parse(s))))
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/grammar.rs:144:53
[INFO] [stdout]     |
[INFO] [stdout] 144 |         let source: BTreeMap<String, Vec<String>> = try!(serde_json::from_str(s.as_ref()));
[INFO] [stdout]     |                                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/grammar.rs:147:36
[INFO] [stdout]     |
[INFO] [stdout] 147 |             let rules: Vec<Rule> = try!(value.iter().map(parse_str).collect::<Result<Vec<_>>>());
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/grammar.rs:148:13
[INFO] [stdout]     |
[INFO] [stdout] 148 |             try!(me.add_rules(key, rules));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/grammar.rs:195:21
[INFO] [stdout]     |
[INFO] [stdout] 195 |         let parts = try!(self.0
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:118:5
[INFO] [stdout]     |
[INFO] [stdout] 118 |     try!(from_json(s)).flatten(&Grammar::new(), &mut BTreeMap::new())
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/grammar.rs:20:45
[INFO] [stdout]    |
[INFO] [stdout] 20 |     modifier_registry: BTreeMap<String, Box<Fn(&str) -> String>>,
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> String`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/grammar.rs:93:36
[INFO] [stdout]    |
[INFO] [stdout] 93 |                          }) as Box<Fn(&str) -> String>);
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/grammar.rs:97:36
[INFO] [stdout]    |
[INFO] [stdout] 97 |                          }) as Box<Fn(&str) -> String>);
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/grammar.rs:99:74
[INFO] [stdout]    |
[INFO] [stdout] 99 |                          Box::new(|s: &str| format!("\"{}\"", s)) as Box<Fn(&str) -> String>);
[INFO] [stdout]    |                                                                          ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/grammar.rs:108:36
[INFO] [stdout]     |
[INFO] [stdout] 108 |                          }) as Box<Fn(&str) -> String>);
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/grammar.rs:118:36
[INFO] [stdout]     |
[INFO] [stdout] 118 |                          }) as Box<Fn(&str) -> String>);
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/grammar.rs:135:63
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub fn get_modifier(&self, modifier: &str) -> Option<&Box<Fn(&str) -> String>> {
[INFO] [stdout]     |                                                               ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
[INFO] [stdout]   --> src/tag.rs:49:30
[INFO] [stdout]    |
[INFO] [stdout] 49 |             let choice_vec = rand::sample(&mut rng, rules.iter(), 1);
[INFO] [stdout]    |                              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
[INFO] [stdout]    --> src/grammar.rs:181:28
[INFO] [stdout]     |
[INFO] [stdout] 181 |                 let rule = rand::sample(&mut rng, rules, 1);
[INFO] [stdout]     |                            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/tag.rs:80:12
[INFO] [stdout]    |
[INFO] [stdout] 80 |         Ok(try!(parse_tag(s)))
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/tag.rs:92:31
[INFO] [stdout]    |
[INFO] [stdout] 92 |             map.insert(label, try!(rule.flatten(grammar, overrides)));
[INFO] [stdout]    |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/tag.rs:108:22
[INFO] [stdout]     |
[INFO] [stdout] 108 |         let choice = try!(self.get_rule(grammar, &mut overrides));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/grammar.rs:79:22
[INFO] [stdout]    |
[INFO] [stdout] 79 |         Ok(Node::Tag(try!(Tag::parse(s))))
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/grammar.rs:144:53
[INFO] [stdout]     |
[INFO] [stdout] 144 |         let source: BTreeMap<String, Vec<String>> = try!(serde_json::from_str(s.as_ref()));
[INFO] [stdout]     |                                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/grammar.rs:147:36
[INFO] [stdout]     |
[INFO] [stdout] 147 |             let rules: Vec<Rule> = try!(value.iter().map(parse_str).collect::<Result<Vec<_>>>());
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/grammar.rs:148:13
[INFO] [stdout]     |
[INFO] [stdout] 148 |             try!(me.add_rules(key, rules));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/grammar.rs:195:21
[INFO] [stdout]     |
[INFO] [stdout] 195 |         let parts = try!(self.0
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:118:5
[INFO] [stdout]     |
[INFO] [stdout] 118 |     try!(from_json(s)).flatten(&Grammar::new(), &mut BTreeMap::new())
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/grammar.rs:20:45
[INFO] [stdout]    |
[INFO] [stdout] 20 |     modifier_registry: BTreeMap<String, Box<Fn(&str) -> String>>,
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> String`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/grammar.rs:93:36
[INFO] [stdout]    |
[INFO] [stdout] 93 |                          }) as Box<Fn(&str) -> String>);
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/grammar.rs:97:36
[INFO] [stdout]    |
[INFO] [stdout] 97 |                          }) as Box<Fn(&str) -> String>);
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/grammar.rs:99:74
[INFO] [stdout]    |
[INFO] [stdout] 99 |                          Box::new(|s: &str| format!("\"{}\"", s)) as Box<Fn(&str) -> String>);
[INFO] [stdout]    |                                                                          ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/grammar.rs:108:36
[INFO] [stdout]     |
[INFO] [stdout] 108 |                          }) as Box<Fn(&str) -> String>);
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/grammar.rs:118:36
[INFO] [stdout]     |
[INFO] [stdout] 118 |                          }) as Box<Fn(&str) -> String>);
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/grammar.rs:135:63
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub fn get_modifier(&self, modifier: &str) -> Option<&Box<Fn(&str) -> String>> {
[INFO] [stdout]     |                                                               ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:130:28
[INFO] [stdout]     |
[INFO] [stdout] 130 |         Error::JsonError(e.description().into())
[INFO] [stdout]     |                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
[INFO] [stdout]   --> src/tag.rs:49:30
[INFO] [stdout]    |
[INFO] [stdout] 49 |             let choice_vec = rand::sample(&mut rng, rules.iter(), 1);
[INFO] [stdout]    |                              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
[INFO] [stdout]    --> src/grammar.rs:181:28
[INFO] [stdout]     |
[INFO] [stdout] 181 |                 let rule = rand::sample(&mut rng, rules, 1);
[INFO] [stdout]     |                            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:130:28
[INFO] [stdout]     |
[INFO] [stdout] 130 |         Error::JsonError(e.description().into())
[INFO] [stdout]     |                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:182:50
[INFO] [stdout]     |
[INFO] [stdout] 182 |             Err(e) => println!("Error was {}", e.description()),
[INFO] [stdout]     |                                                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.84s
[INFO] running `Command { std: "docker" "inspect" "851dad78b251e59f4291fcf154e5fc80e990753aa5ba7c5fcea3b2875cd80115", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "851dad78b251e59f4291fcf154e5fc80e990753aa5ba7c5fcea3b2875cd80115", kill_on_drop: false }`
[INFO] [stdout] 851dad78b251e59f4291fcf154e5fc80e990753aa5ba7c5fcea3b2875cd80115