[INFO] crate sindra 0.1.0 is already in cache
[INFO] testing sindra-0.1.0 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] extracting crate sindra 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate sindra 0.1.0 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sindra 0.1.0
[INFO] finished tweaking crates.io crate sindra 0.1.0
[INFO] tweaked toml for crates.io crate sindra 0.1.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c06a508deb56eb7d6552416f9920caf262e51adcf5ee4e3cf8d2465a1cd14b6b
[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" "c06a508deb56eb7d6552416f9920caf262e51adcf5ee4e3cf8d2465a1cd14b6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c06a508deb56eb7d6552416f9920caf262e51adcf5ee4e3cf8d2465a1cd14b6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c06a508deb56eb7d6552416f9920caf262e51adcf5ee4e3cf8d2465a1cd14b6b", kill_on_drop: false }`
[INFO] [stdout] c06a508deb56eb7d6552416f9920caf262e51adcf5ee4e3cf8d2465a1cd14b6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 538ef6e43cafec5523f7fd4ddd9edde3b11f411731be14fffe2ce7c5ecfc8228
[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" "538ef6e43cafec5523f7fd4ddd9edde3b11f411731be14fffe2ce7c5ecfc8228", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling codemap v0.1.3
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling codemap-diagnostic v0.1.1
[INFO] [stderr]    Compiling wee-peg v0.5.4
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling sindra v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/sindra-15c2e97319112835/out/int.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         try !
[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]   --> /opt/rustwide/target/debug/build/sindra-15c2e97319112835/out/int.rs:21:40
[INFO] [stdout]    |
[INFO] [stdout] 21 |         self . expected . len() == 0 { try ! (write ! (fmt, "EOF")) ; } else
[INFO] [stdout]    |                                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/sindra-15c2e97319112835/out/int.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             try !
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/sindra-15c2e97319112835/out/int.rs:30:55
[INFO] [stdout]    |
[INFO] [stdout] 30 |             let mut iter = self . expected . iter() ; try !
[INFO] [stdout]    |                                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/sindra-15c2e97319112835/out/int.rs:34:15
[INFO] [stdout]    |
[INFO] [stdout] 34 |             { try ! (write ! (fmt, ", `{}`", escape_default(elem))) ; }
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/sindra-15c2e97319112835/out/float.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         try !
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/sindra-15c2e97319112835/out/float.rs:21:40
[INFO] [stdout]    |
[INFO] [stdout] 21 |         self . expected . len() == 0 { try ! (write ! (fmt, "EOF")) ; } else
[INFO] [stdout]    |                                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/sindra-15c2e97319112835/out/float.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             try !
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/sindra-15c2e97319112835/out/float.rs:30:55
[INFO] [stdout]    |
[INFO] [stdout] 30 |             let mut iter = self . expected . iter() ; try !
[INFO] [stdout]    |                                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/sindra-15c2e97319112835/out/float.rs:34:15
[INFO] [stdout]    |
[INFO] [stdout] 34 |             { try ! (write ! (fmt, ", `{}`", escape_default(elem))) ; }
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/rules/string.rs:14:43
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub static ref UNICODE_REGEX: Regex = { Regex::new(unicode_char_pattern!()).unwrap() };
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/rules/string.rs:31:42
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub static ref ESCAPE_REGEX: Regex = { Regex::new(escape_pattern!()).unwrap() };
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/rules/string.rs:54:42
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub static ref STRING_REGEX: Regex = { Regex::new(PTN_STRING).unwrap() };
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]   --> src/rules/string.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | / lazy_static! {
[INFO] [stdout] 13 | |     /// Regular expression for unicode character specification.
[INFO] [stdout] 14 | |     pub static ref UNICODE_REGEX: Regex = { Regex::new(unicode_char_pattern!()).unwrap() };
[INFO] [stdout] 15 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]   --> src/rules/string.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | / lazy_static! {
[INFO] [stdout] 30 | |     /// Regular expression for string escapes.
[INFO] [stdout] 31 | |     pub static ref ESCAPE_REGEX: Regex = { Regex::new(escape_pattern!()).unwrap() };
[INFO] [stdout] 32 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]   --> src/rules/string.rs:52:1
[INFO] [stdout]    |
[INFO] [stdout] 52 | / lazy_static! {
[INFO] [stdout] 53 | |     /// Regular expression for a string literal.
[INFO] [stdout] 54 | |     pub static ref STRING_REGEX: Regex = { Regex::new(PTN_STRING).unwrap() };
[INFO] [stdout] 55 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]   --> src/rules/string.rs:56:1
[INFO] [stdout]    |
[INFO] [stdout] 56 | / lazy_static! {
[INFO] [stdout] 57 | |     /// Regular expression for a front-anchored string literal.
[INFO] [stdout] 58 | |     pub static ref STRING_REGEX_ANC: Regex = {
[INFO] [stdout] 59 | |         let anchored_str = "^(?:".to_string() + PTN_STRING + ")";
[INFO] [stdout] 60 | |         Regex::new(&anchored_str).unwrap()
[INFO] [stdout] 61 | |     };
[INFO] [stdout] 62 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for macro
[INFO] [stdout]   --> src/node.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | macro_rules! annotate {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:3:9
[INFO] [stdout]    |
[INFO] [stdout] 3  | #![warn(missing_docs)]
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.11s
[INFO] running `Command { std: "docker" "inspect" "538ef6e43cafec5523f7fd4ddd9edde3b11f411731be14fffe2ce7c5ecfc8228", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "538ef6e43cafec5523f7fd4ddd9edde3b11f411731be14fffe2ce7c5ecfc8228", kill_on_drop: false }`
[INFO] [stdout] 538ef6e43cafec5523f7fd4ddd9edde3b11f411731be14fffe2ce7c5ecfc8228
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f93f743bbb9875f9c71a7e1445c32b2e7531ce05c0ec88921e17785bd5ecdb99
[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" "f93f743bbb9875f9c71a7e1445c32b2e7531ce05c0ec88921e17785bd5ecdb99", kill_on_drop: false }`
[INFO] [stderr]    Compiling sindra v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/sindra-15c2e97319112835/out/int.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         try !
[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]   --> /opt/rustwide/target/debug/build/sindra-15c2e97319112835/out/int.rs:21:40
[INFO] [stdout]    |
[INFO] [stdout] 21 |         self . expected . len() == 0 { try ! (write ! (fmt, "EOF")) ; } else
[INFO] [stdout]    |                                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/sindra-15c2e97319112835/out/int.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             try !
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/sindra-15c2e97319112835/out/int.rs:30:55
[INFO] [stdout]    |
[INFO] [stdout] 30 |             let mut iter = self . expected . iter() ; try !
[INFO] [stdout]    |                                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/sindra-15c2e97319112835/out/int.rs:34:15
[INFO] [stdout]    |
[INFO] [stdout] 34 |             { try ! (write ! (fmt, ", `{}`", escape_default(elem))) ; }
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/sindra-15c2e97319112835/out/float.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         try !
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/sindra-15c2e97319112835/out/float.rs:21:40
[INFO] [stdout]    |
[INFO] [stdout] 21 |         self . expected . len() == 0 { try ! (write ! (fmt, "EOF")) ; } else
[INFO] [stdout]    |                                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/sindra-15c2e97319112835/out/float.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             try !
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/sindra-15c2e97319112835/out/float.rs:30:55
[INFO] [stdout]    |
[INFO] [stdout] 30 |             let mut iter = self . expected . iter() ; try !
[INFO] [stdout]    |                                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/sindra-15c2e97319112835/out/float.rs:34:15
[INFO] [stdout]    |
[INFO] [stdout] 34 |             { try ! (write ! (fmt, ", `{}`", escape_default(elem))) ; }
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/rules/string.rs:14:43
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub static ref UNICODE_REGEX: Regex = { Regex::new(unicode_char_pattern!()).unwrap() };
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/rules/string.rs:31:42
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub static ref ESCAPE_REGEX: Regex = { Regex::new(escape_pattern!()).unwrap() };
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/rules/string.rs:54:42
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub static ref STRING_REGEX: Regex = { Regex::new(PTN_STRING).unwrap() };
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]   --> src/rules/string.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | / lazy_static! {
[INFO] [stdout] 13 | |     /// Regular expression for unicode character specification.
[INFO] [stdout] 14 | |     pub static ref UNICODE_REGEX: Regex = { Regex::new(unicode_char_pattern!()).unwrap() };
[INFO] [stdout] 15 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]   --> src/rules/string.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | / lazy_static! {
[INFO] [stdout] 30 | |     /// Regular expression for string escapes.
[INFO] [stdout] 31 | |     pub static ref ESCAPE_REGEX: Regex = { Regex::new(escape_pattern!()).unwrap() };
[INFO] [stdout] 32 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]   --> src/rules/string.rs:52:1
[INFO] [stdout]    |
[INFO] [stdout] 52 | / lazy_static! {
[INFO] [stdout] 53 | |     /// Regular expression for a string literal.
[INFO] [stdout] 54 | |     pub static ref STRING_REGEX: Regex = { Regex::new(PTN_STRING).unwrap() };
[INFO] [stdout] 55 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]   --> src/rules/string.rs:56:1
[INFO] [stdout]    |
[INFO] [stdout] 56 | / lazy_static! {
[INFO] [stdout] 57 | |     /// Regular expression for a front-anchored string literal.
[INFO] [stdout] 58 | |     pub static ref STRING_REGEX_ANC: Regex = {
[INFO] [stdout] 59 | |         let anchored_str = "^(?:".to_string() + PTN_STRING + ")";
[INFO] [stdout] 60 | |         Regex::new(&anchored_str).unwrap()
[INFO] [stdout] 61 | |     };
[INFO] [stdout] 62 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for macro
[INFO] [stdout]   --> src/node.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | macro_rules! annotate {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:3:9
[INFO] [stdout]    |
[INFO] [stdout] 3  | #![warn(missing_docs)]
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/sindra-15c2e97319112835/out/int.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         try !
[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]   --> /opt/rustwide/target/debug/build/sindra-15c2e97319112835/out/int.rs:21:40
[INFO] [stdout]    |
[INFO] [stdout] 21 |         self . expected . len() == 0 { try ! (write ! (fmt, "EOF")) ; } else
[INFO] [stdout]    |                                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/sindra-15c2e97319112835/out/int.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             try !
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/sindra-15c2e97319112835/out/int.rs:30:55
[INFO] [stdout]    |
[INFO] [stdout] 30 |             let mut iter = self . expected . iter() ; try !
[INFO] [stdout]    |                                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/sindra-15c2e97319112835/out/int.rs:34:15
[INFO] [stdout]    |
[INFO] [stdout] 34 |             { try ! (write ! (fmt, ", `{}`", escape_default(elem))) ; }
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/sindra-15c2e97319112835/out/float.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         try !
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/sindra-15c2e97319112835/out/float.rs:21:40
[INFO] [stdout]    |
[INFO] [stdout] 21 |         self . expected . len() == 0 { try ! (write ! (fmt, "EOF")) ; } else
[INFO] [stdout]    |                                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/sindra-15c2e97319112835/out/float.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             try !
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/sindra-15c2e97319112835/out/float.rs:30:55
[INFO] [stdout]    |
[INFO] [stdout] 30 |             let mut iter = self . expected . iter() ; try !
[INFO] [stdout]    |                                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/sindra-15c2e97319112835/out/float.rs:34:15
[INFO] [stdout]    |
[INFO] [stdout] 34 |             { try ! (write ! (fmt, ", `{}`", escape_default(elem))) ; }
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/rules/string.rs:14:43
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub static ref UNICODE_REGEX: Regex = { Regex::new(unicode_char_pattern!()).unwrap() };
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/rules/string.rs:31:42
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub static ref ESCAPE_REGEX: Regex = { Regex::new(escape_pattern!()).unwrap() };
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/rules/string.rs:54:42
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub static ref STRING_REGEX: Regex = { Regex::new(PTN_STRING).unwrap() };
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]   --> src/rules/string.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | / lazy_static! {
[INFO] [stdout] 13 | |     /// Regular expression for unicode character specification.
[INFO] [stdout] 14 | |     pub static ref UNICODE_REGEX: Regex = { Regex::new(unicode_char_pattern!()).unwrap() };
[INFO] [stdout] 15 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]   --> src/rules/string.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | / lazy_static! {
[INFO] [stdout] 30 | |     /// Regular expression for string escapes.
[INFO] [stdout] 31 | |     pub static ref ESCAPE_REGEX: Regex = { Regex::new(escape_pattern!()).unwrap() };
[INFO] [stdout] 32 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]   --> src/rules/string.rs:52:1
[INFO] [stdout]    |
[INFO] [stdout] 52 | / lazy_static! {
[INFO] [stdout] 53 | |     /// Regular expression for a string literal.
[INFO] [stdout] 54 | |     pub static ref STRING_REGEX: Regex = { Regex::new(PTN_STRING).unwrap() };
[INFO] [stdout] 55 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]   --> src/rules/string.rs:56:1
[INFO] [stdout]    |
[INFO] [stdout] 56 | / lazy_static! {
[INFO] [stdout] 57 | |     /// Regular expression for a front-anchored string literal.
[INFO] [stdout] 58 | |     pub static ref STRING_REGEX_ANC: Regex = {
[INFO] [stdout] 59 | |         let anchored_str = "^(?:".to_string() + PTN_STRING + ")";
[INFO] [stdout] 60 | |         Regex::new(&anchored_str).unwrap()
[INFO] [stdout] 61 | |     };
[INFO] [stdout] 62 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for macro
[INFO] [stdout]   --> src/node.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | macro_rules! annotate {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:3:9
[INFO] [stdout]    |
[INFO] [stdout] 3  | #![warn(missing_docs)]
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.66s
[INFO] running `Command { std: "docker" "inspect" "f93f743bbb9875f9c71a7e1445c32b2e7531ce05c0ec88921e17785bd5ecdb99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f93f743bbb9875f9c71a7e1445c32b2e7531ce05c0ec88921e17785bd5ecdb99", kill_on_drop: false }`
[INFO] [stdout] f93f743bbb9875f9c71a7e1445c32b2e7531ce05c0ec88921e17785bd5ecdb99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 30060d015f2ae79f2bc69b27cc88e626a8a81852d4db9212bee7457fe64ca8cb
[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" "30060d015f2ae79f2bc69b27cc88e626a8a81852d4db9212bee7457fe64ca8cb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/sindra-15c2e97319112835/out/int.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |         try !
[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]   --> /opt/rustwide/target/debug/build/sindra-15c2e97319112835/out/int.rs:21:40
[INFO] [stderr]    |
[INFO] [stderr] 21 |         self . expected . len() == 0 { try ! (write ! (fmt, "EOF")) ; } else
[INFO] [stderr]    |                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/sindra-15c2e97319112835/out/int.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |             try !
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/sindra-15c2e97319112835/out/int.rs:30:55
[INFO] [stderr]    |
[INFO] [stderr] 30 |             let mut iter = self . expected . iter() ; try !
[INFO] [stderr]    |                                                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/sindra-15c2e97319112835/out/int.rs:34:15
[INFO] [stderr]    |
[INFO] [stderr] 34 |             { try ! (write ! (fmt, ", `{}`", escape_default(elem))) ; }
[INFO] [stderr]    |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/sindra-15c2e97319112835/out/float.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |         try !
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/sindra-15c2e97319112835/out/float.rs:21:40
[INFO] [stderr]    |
[INFO] [stderr] 21 |         self . expected . len() == 0 { try ! (write ! (fmt, "EOF")) ; } else
[INFO] [stderr]    |                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/sindra-15c2e97319112835/out/float.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |             try !
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/sindra-15c2e97319112835/out/float.rs:30:55
[INFO] [stderr]    |
[INFO] [stderr] 30 |             let mut iter = self . expected . iter() ; try !
[INFO] [stderr]    |                                                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/sindra-15c2e97319112835/out/float.rs:34:15
[INFO] [stderr]    |
[INFO] [stderr] 34 |             { try ! (write ! (fmt, ", `{}`", escape_default(elem))) ; }
[INFO] [stderr]    |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/rules/string.rs:14:43
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub static ref UNICODE_REGEX: Regex = { Regex::new(unicode_char_pattern!()).unwrap() };
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/rules/string.rs:31:42
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub static ref ESCAPE_REGEX: Regex = { Regex::new(escape_pattern!()).unwrap() };
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/rules/string.rs:54:42
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub static ref STRING_REGEX: Regex = { Regex::new(PTN_STRING).unwrap() };
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/rules/string.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | / lazy_static! {
[INFO] [stderr] 13 | |     /// Regular expression for unicode character specification.
[INFO] [stderr] 14 | |     pub static ref UNICODE_REGEX: Regex = { Regex::new(unicode_char_pattern!()).unwrap() };
[INFO] [stderr] 15 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/rules/string.rs:29:1
[INFO] [stderr]    |
[INFO] [stderr] 29 | / lazy_static! {
[INFO] [stderr] 30 | |     /// Regular expression for string escapes.
[INFO] [stderr] 31 | |     pub static ref ESCAPE_REGEX: Regex = { Regex::new(escape_pattern!()).unwrap() };
[INFO] [stderr] 32 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/rules/string.rs:52:1
[INFO] [stderr]    |
[INFO] [stderr] 52 | / lazy_static! {
[INFO] [stderr] 53 | |     /// Regular expression for a string literal.
[INFO] [stderr] 54 | |     pub static ref STRING_REGEX: Regex = { Regex::new(PTN_STRING).unwrap() };
[INFO] [stderr] 55 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/rules/string.rs:56:1
[INFO] [stderr]    |
[INFO] [stderr] 56 | / lazy_static! {
[INFO] [stderr] 57 | |     /// Regular expression for a front-anchored string literal.
[INFO] [stderr] 58 | |     pub static ref STRING_REGEX_ANC: Regex = {
[INFO] [stderr] 59 | |         let anchored_str = "^(?:".to_string() + PTN_STRING + ")";
[INFO] [stderr] 60 | |         Regex::new(&anchored_str).unwrap()
[INFO] [stderr] 61 | |     };
[INFO] [stderr] 62 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for macro
[INFO] [stderr]   --> src/node.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | macro_rules! annotate {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:3:9
[INFO] [stderr]    |
[INFO] [stderr] 3  | #![warn(missing_docs)]
[INFO] [stderr]    |         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 18 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/sindra-15c2e97319112835/out/int.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |         try !
[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]   --> /opt/rustwide/target/debug/build/sindra-15c2e97319112835/out/int.rs:21:40
[INFO] [stderr]    |
[INFO] [stderr] 21 |         self . expected . len() == 0 { try ! (write ! (fmt, "EOF")) ; } else
[INFO] [stderr]    |                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/sindra-15c2e97319112835/out/int.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |             try !
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/sindra-15c2e97319112835/out/int.rs:30:55
[INFO] [stderr]    |
[INFO] [stderr] 30 |             let mut iter = self . expected . iter() ; try !
[INFO] [stderr]    |                                                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/sindra-15c2e97319112835/out/int.rs:34:15
[INFO] [stderr]    |
[INFO] [stderr] 34 |             { try ! (write ! (fmt, ", `{}`", escape_default(elem))) ; }
[INFO] [stderr]    |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/sindra-15c2e97319112835/out/float.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |         try !
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/sindra-15c2e97319112835/out/float.rs:21:40
[INFO] [stderr]    |
[INFO] [stderr] 21 |         self . expected . len() == 0 { try ! (write ! (fmt, "EOF")) ; } else
[INFO] [stderr]    |                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/sindra-15c2e97319112835/out/float.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |             try !
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/sindra-15c2e97319112835/out/float.rs:30:55
[INFO] [stderr]    |
[INFO] [stderr] 30 |             let mut iter = self . expected . iter() ; try !
[INFO] [stderr]    |                                                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/sindra-15c2e97319112835/out/float.rs:34:15
[INFO] [stderr]    |
[INFO] [stderr] 34 |             { try ! (write ! (fmt, ", `{}`", escape_default(elem))) ; }
[INFO] [stderr]    |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/rules/string.rs:14:43
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub static ref UNICODE_REGEX: Regex = { Regex::new(unicode_char_pattern!()).unwrap() };
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/rules/string.rs:31:42
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub static ref ESCAPE_REGEX: Regex = { Regex::new(escape_pattern!()).unwrap() };
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/rules/string.rs:54:42
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub static ref STRING_REGEX: Regex = { Regex::new(PTN_STRING).unwrap() };
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/rules/string.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | / lazy_static! {
[INFO] [stderr] 13 | |     /// Regular expression for unicode character specification.
[INFO] [stderr] 14 | |     pub static ref UNICODE_REGEX: Regex = { Regex::new(unicode_char_pattern!()).unwrap() };
[INFO] [stderr] 15 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/rules/string.rs:29:1
[INFO] [stderr]    |
[INFO] [stderr] 29 | / lazy_static! {
[INFO] [stderr] 30 | |     /// Regular expression for string escapes.
[INFO] [stderr] 31 | |     pub static ref ESCAPE_REGEX: Regex = { Regex::new(escape_pattern!()).unwrap() };
[INFO] [stderr] 32 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/rules/string.rs:52:1
[INFO] [stderr]    |
[INFO] [stderr] 52 | / lazy_static! {
[INFO] [stderr] 53 | |     /// Regular expression for a string literal.
[INFO] [stderr] 54 | |     pub static ref STRING_REGEX: Regex = { Regex::new(PTN_STRING).unwrap() };
[INFO] [stderr] 55 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/rules/string.rs:56:1
[INFO] [stderr]    |
[INFO] [stderr] 56 | / lazy_static! {
[INFO] [stderr] 57 | |     /// Regular expression for a front-anchored string literal.
[INFO] [stderr] 58 | |     pub static ref STRING_REGEX_ANC: Regex = {
[INFO] [stderr] 59 | |         let anchored_str = "^(?:".to_string() + PTN_STRING + ")";
[INFO] [stderr] 60 | |         Regex::new(&anchored_str).unwrap()
[INFO] [stderr] 61 | |     };
[INFO] [stderr] 62 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for macro
[INFO] [stderr]   --> src/node.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | macro_rules! annotate {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:3:9
[INFO] [stderr]    |
[INFO] [stderr] 3  | #![warn(missing_docs)]
[INFO] [stderr]    |         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 18 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sindra-71746138142a3d62
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/float-4eaaf37e7ae174a2
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/int-322339bb79f9f287
[INFO] [stdout] test test_float ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/string-b4dc0086ee29aabe
[INFO] [stdout] test test_num ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests sindra
[INFO] [stdout] test test_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> /opt/rustwide/workdir/src/rules/string.rs:14:43
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub static ref UNICODE_REGEX: Regex = { Regex::new(unicode_char_pattern!()).unwrap() };
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> /opt/rustwide/workdir/src/rules/string.rs:31:42
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub static ref ESCAPE_REGEX: Regex = { Regex::new(escape_pattern!()).unwrap() };
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> /opt/rustwide/workdir/src/rules/string.rs:54:42
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub static ref STRING_REGEX: Regex = { Regex::new(PTN_STRING).unwrap() };
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[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 `Command { std: "docker" "inspect" "30060d015f2ae79f2bc69b27cc88e626a8a81852d4db9212bee7457fe64ca8cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30060d015f2ae79f2bc69b27cc88e626a8a81852d4db9212bee7457fe64ca8cb", kill_on_drop: false }`
[INFO] [stdout] 30060d015f2ae79f2bc69b27cc88e626a8a81852d4db9212bee7457fe64ca8cb