[INFO] fetching crate when 0.1.3...
[INFO] checking when-0.1.3 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] extracting crate when 0.1.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate when 0.1.3 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate when 0.1.3
[INFO] finished tweaking crates.io crate when 0.1.3
[INFO] tweaked toml for crates.io crate when 0.1.3 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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=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] 89e8c8fd1f1240dedfa3705316086ea0109f0d321677520bee36af0b409b7ef9
[INFO] running `"docker" "start" "-a" "89e8c8fd1f1240dedfa3705316086ea0109f0d321677520bee36af0b409b7ef9"`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling parse-zoneinfo v0.1.1
[INFO] [stderr]     Checking tuple v0.4.2
[INFO] [stderr]    Compiling chrono-tz v0.4.1
[INFO] [stderr]     Checking when v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/rules/combinators.rs:178:1
[INFO] [stderr]     |
[INFO] [stderr] 178 |   /// Trim spaces, special symbols and commas until any non-whitespace character appears
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 179 | / named!(trim<CompleteStr, CompleteStr>,
[INFO] [stderr] 180 | |     take_while!(is_ignorable)
[INFO] [stderr] 181 | | );
[INFO] [stderr]     | |__- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/rules/combinators.rs:187:1
[INFO] [stderr]     |
[INFO] [stderr] 187 | / /// Ignores whitespaces using "trim" and then consumes alphabetical characters in a string until
[INFO] [stderr] 188 | | /// any non alpha-numeric character appears or the string has been exhausted:
[INFO] [stderr] 189 | | ///
[INFO] [stderr] 190 | | /// "  , abracadabra  " -> "abracadabra"
[INFO] [stderr]     | |________________________________________^
[INFO] [stderr] 191 | / named!(tokenize_word<CompleteStr, CompleteStr>,
[INFO] [stderr] 192 | |     preceded!(trim, take_while!(is_word_symbol))
[INFO] [stderr] 193 | | );
[INFO] [stderr]     | |__- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/rules/combinators.rs:195:1
[INFO] [stderr]     |
[INFO] [stderr] 195 | / /// Consumes all spaces before a word, the word itself and all spaces after the word and returns
[INFO] [stderr] 196 | | /// total number of consumed characters:
[INFO] [stderr] 197 | | ///
[INFO] [stderr] 198 | | /// "  , abracadabra  " -> 17
[INFO] [stderr]     | |_____________________________^
[INFO] [stderr] 199 | / named!(pub(crate) tokenize_count_symbols<CompleteStr, usize>,
[INFO] [stderr] 200 | |     map!(tuple!(trim, take_while!(|c: char| c == '.' || c == ':' || c.is_alphanumeric()), trim),
[INFO] [stderr] 201 | |     |(prefix, word, suffix)| {
[INFO] [stderr] 202 | |         prefix.len() + word.len() + suffix.len()
[INFO] [stderr] 203 | |     })
[INFO] [stderr] 204 | | );
[INFO] [stderr]     | |__- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/rules/combinators.rs:206:1
[INFO] [stderr]     |
[INFO] [stderr] 206 | / /// Ignores whitespaces using "trim" and then consumes digits in a string until
[INFO] [stderr] 207 | | /// any non digit character appears or the string has been exhausted, and in case of success
[INFO] [stderr] 208 | | /// converts the number from the string representation into i32:
[INFO] [stderr] 209 | | ///
[INFO] [stderr] 210 | | /// "  , -321  " -> -321
[INFO] [stderr]     | |________________________^
[INFO] [stderr] 211 | / named!(pub(crate) recognize_int<CompleteStr, i32>,
[INFO] [stderr] 212 | |     map!(
[INFO] [stderr] 213 | |         preceded!(trim, pair!(
[INFO] [stderr] 214 | |             opt!(alt!(tag!("+") | tag!("-"))),
[INFO] [stderr] ...   |
[INFO] [stderr] 219 | |      })
[INFO] [stderr] 220 | | );
[INFO] [stderr]     | |__- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/rules/combinators.rs:178:1
[INFO] [stderr]     |
[INFO] [stderr] 178 |   /// Trim spaces, special symbols and commas until any non-whitespace character appears
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 179 | / named!(trim<CompleteStr, CompleteStr>,
[INFO] [stderr] 180 | |     take_while!(is_ignorable)
[INFO] [stderr] 181 | | );
[INFO] [stderr]     | |__- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/rules/combinators.rs:187:1
[INFO] [stderr]     |
[INFO] [stderr] 187 | / /// Ignores whitespaces using "trim" and then consumes alphabetical characters in a string until
[INFO] [stderr] 188 | | /// any non alpha-numeric character appears or the string has been exhausted:
[INFO] [stderr] 189 | | ///
[INFO] [stderr] 190 | | /// "  , abracadabra  " -> "abracadabra"
[INFO] [stderr]     | |________________________________________^
[INFO] [stderr] 191 | / named!(tokenize_word<CompleteStr, CompleteStr>,
[INFO] [stderr] 192 | |     preceded!(trim, take_while!(is_word_symbol))
[INFO] [stderr] 193 | | );
[INFO] [stderr]     | |__- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/rules/combinators.rs:195:1
[INFO] [stderr]     |
[INFO] [stderr] 195 | / /// Consumes all spaces before a word, the word itself and all spaces after the word and returns
[INFO] [stderr] 196 | | /// total number of consumed characters:
[INFO] [stderr] 197 | | ///
[INFO] [stderr] 198 | | /// "  , abracadabra  " -> 17
[INFO] [stderr]     | |_____________________________^
[INFO] [stderr] 199 | / named!(pub(crate) tokenize_count_symbols<CompleteStr, usize>,
[INFO] [stderr] 200 | |     map!(tuple!(trim, take_while!(|c: char| c == '.' || c == ':' || c.is_alphanumeric()), trim),
[INFO] [stderr] 201 | |     |(prefix, word, suffix)| {
[INFO] [stderr] 202 | |         prefix.len() + word.len() + suffix.len()
[INFO] [stderr] 203 | |     })
[INFO] [stderr] 204 | | );
[INFO] [stderr]     | |__- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/rules/combinators.rs:206:1
[INFO] [stderr]     |
[INFO] [stderr] 206 | / /// Ignores whitespaces using "trim" and then consumes digits in a string until
[INFO] [stderr] 207 | | /// any non digit character appears or the string has been exhausted, and in case of success
[INFO] [stderr] 208 | | /// converts the number from the string representation into i32:
[INFO] [stderr] 209 | | ///
[INFO] [stderr] 210 | | /// "  , -321  " -> -321
[INFO] [stderr]     | |________________________^
[INFO] [stderr] 211 | / named!(pub(crate) recognize_int<CompleteStr, i32>,
[INFO] [stderr] 212 | |     map!(
[INFO] [stderr] 213 | |         preceded!(trim, pair!(
[INFO] [stderr] 214 | |             opt!(alt!(tag!("+") | tag!("-"))),
[INFO] [stderr] ...   |
[INFO] [stderr] 219 | |      })
[INFO] [stderr] 220 | | );
[INFO] [stderr]     | |__- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/parser.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Fn(DateTime<Tz>, &'a str, bool) -> Vec<Result<MatchResult, DateTimeError>>;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(DateTime<Tz>, &'a str, bool) -> Vec<Result<MatchResult, DateTimeError>>`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser.rs:11:13
[INFO] [stderr]    |
[INFO] [stderr] 11 |         Box<Fn(DateTime<Tz>, &'a str, bool) -> Vec<Result<MatchResult, DateTimeError>> + 'a>,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(DateTime<Tz>, &'a str, bool) -> Vec<Result<MatchResult, DateTimeError>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/rules/combinators.rs:299:23
[INFO] [stderr]     |
[INFO] [stderr] 299 |     combinators: Vec<&Fn(CompleteStr<'a>, bool) -> MyResult<'a>>,
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(CompleteStr<'a>, bool) -> MyResult<'a>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/parser.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Fn(DateTime<Tz>, &'a str, bool) -> Vec<Result<MatchResult, DateTimeError>>;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(DateTime<Tz>, &'a str, bool) -> Vec<Result<MatchResult, DateTimeError>>`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser.rs:11:13
[INFO] [stderr]    |
[INFO] [stderr] 11 |         Box<Fn(DateTime<Tz>, &'a str, bool) -> Vec<Result<MatchResult, DateTimeError>> + 'a>,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(DateTime<Tz>, &'a str, bool) -> Vec<Result<MatchResult, DateTimeError>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/rules/combinators.rs:299:23
[INFO] [stderr]     |
[INFO] [stderr] 299 |     combinators: Vec<&Fn(CompleteStr<'a>, bool) -> MyResult<'a>>,
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(CompleteStr<'a>, bool) -> MyResult<'a>`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.04s
[INFO] running `"docker" "inspect" "89e8c8fd1f1240dedfa3705316086ea0109f0d321677520bee36af0b409b7ef9"`
[INFO] running `"docker" "rm" "-f" "89e8c8fd1f1240dedfa3705316086ea0109f0d321677520bee36af0b409b7ef9"`
[INFO] [stdout] 89e8c8fd1f1240dedfa3705316086ea0109f0d321677520bee36af0b409b7ef9