[INFO] fetching crate sindra 0.1.0...
[INFO] testing sindra-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate sindra 0.1.0 into /workspace/builds/worker-0-tc2/source
[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-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sindra 0.1.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 17 packages to latest compatible versions
[INFO] [stderr]       Adding lazy_static v0.2.11 (available: v1.5.0)
[INFO] [stderr]       Adding regex v0.2.11 (available: v1.12.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c2fddc7d6167933d36160c3dfc94d6c1e9cf0f8ba4a8030c57392fe3431cfcd
[INFO] running `Command { std: "docker" "start" "-a" "3c2fddc7d6167933d36160c3dfc94d6c1e9cf0f8ba4a8030c57392fe3431cfcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c2fddc7d6167933d36160c3dfc94d6c1e9cf0f8ba4a8030c57392fe3431cfcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c2fddc7d6167933d36160c3dfc94d6c1e9cf0f8ba4a8030c57392fe3431cfcd", kill_on_drop: false }`
[INFO] [stdout] 3c2fddc7d6167933d36160c3dfc94d6c1e9cf0f8ba4a8030c57392fe3431cfcd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd8c8d819a0776aa4c6ce97fb2b263444200884ea0dc1f9eb31142f3ffaa15c3
[INFO] running `Command { std: "docker" "start" "-a" "fd8c8d819a0776aa4c6ce97fb2b263444200884ea0dc1f9eb31142f3ffaa15c3", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling codemap v0.1.3
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling ucd-util v0.1.10
[INFO] [stderr]    Compiling utf8-ranges v1.0.5
[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 codemap-diagnostic v0.1.2
[INFO] [stderr]    Compiling wee-peg v0.5.4
[INFO] [stderr]    Compiling sindra v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/sindra-c2dad0392492e20a/out/int.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         try!(write!(fmt, "error at {}:{}: expected ", self.line,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/sindra-c2dad0392492e20a/out/int.rs:20:11
[INFO] [stdout]    |
[INFO] [stdout] 20 |         { try!(write!(fmt, "EOF")); } else if self.expected.len() == 1
[INFO] [stdout]    |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/sindra-c2dad0392492e20a/out/int.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |             try!(write!(fmt, "`{}`",
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/sindra-c2dad0392492e20a/out/int.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |             try!(write!(fmt, "one of `{}`",
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/sindra-c2dad0392492e20a/out/int.rs:29:15
[INFO] [stdout]    |
[INFO] [stdout] 29 |             { try!(write!(fmt, ", `{}`", escape_default(elem))); }
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/sindra-c2dad0392492e20a/out/float.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         try!(write!(fmt, "error at {}:{}: expected ", self.line,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/sindra-c2dad0392492e20a/out/float.rs:20:11
[INFO] [stdout]    |
[INFO] [stdout] 20 |         { try!(write!(fmt, "EOF")); } else if self.expected.len() == 1
[INFO] [stdout]    |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/sindra-c2dad0392492e20a/out/float.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |             try!(write!(fmt, "`{}`",
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/sindra-c2dad0392492e20a/out/float.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |             try!(write!(fmt, "one of `{}`",
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/sindra-c2dad0392492e20a/out/float.rs:29:15
[INFO] [stdout]    |
[INFO] [stdout] 29 |             { 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]    |                                           ^^                                            ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 14 -     pub static ref UNICODE_REGEX: Regex = { Regex::new(unicode_char_pattern!()).unwrap() };
[INFO] [stdout] 14 +     pub static ref UNICODE_REGEX: Regex = Regex::new(unicode_char_pattern!()).unwrap();
[INFO] [stdout]    |
[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]    |                                          ^^                                      ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 31 -     pub static ref ESCAPE_REGEX: Regex = { Regex::new(escape_pattern!()).unwrap() };
[INFO] [stdout] 31 +     pub static ref ESCAPE_REGEX: Regex = Regex::new(escape_pattern!()).unwrap();
[INFO] [stdout]    |
[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]    |                                          ^^                               ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 54 -     pub static ref STRING_REGEX: Regex = { Regex::new(PTN_STRING).unwrap() };
[INFO] [stdout] 54 +     pub static ref STRING_REGEX: Regex = Regex::new(PTN_STRING).unwrap();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/scope/mod.rs:85:29
[INFO] [stdout]    |
[INFO] [stdout] 85 |     fn set_scope(&mut self, Option<Rc<RefCell<Sc>>>);
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Option<Rc<RefCell<Sc>>>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::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 the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::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 the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::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 the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::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 the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/rules/string.rs:65:29
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub fn match_str_ext(input: &str, pos: usize) -> Option<(usize, Captures)> {
[INFO] [stdout]    |                             ^^^^ the lifetime is elided here    ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub fn match_str_ext(input: &str, pos: usize) -> Option<(usize, Captures<'_>)> {
[INFO] [stdout]    |                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.21s
[INFO] running `Command { std: "docker" "inspect" "fd8c8d819a0776aa4c6ce97fb2b263444200884ea0dc1f9eb31142f3ffaa15c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd8c8d819a0776aa4c6ce97fb2b263444200884ea0dc1f9eb31142f3ffaa15c3", kill_on_drop: false }`
[INFO] [stdout] fd8c8d819a0776aa4c6ce97fb2b263444200884ea0dc1f9eb31142f3ffaa15c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0427e586c2e02383e43c74d9e5c4bfb831a4f55defb6a0584d7fdb38673afd2
[INFO] running `Command { std: "docker" "start" "-a" "d0427e586c2e02383e43c74d9e5c4bfb831a4f55defb6a0584d7fdb38673afd2", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/sindra-c2dad0392492e20a/out/int.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         try!(write!(fmt, "error at {}:{}: expected ", self.line,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/sindra-c2dad0392492e20a/out/int.rs:20:11
[INFO] [stdout]    |
[INFO] [stdout] 20 |         { try!(write!(fmt, "EOF")); } else if self.expected.len() == 1
[INFO] [stdout]    |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/sindra-c2dad0392492e20a/out/int.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |             try!(write!(fmt, "`{}`",
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/sindra-c2dad0392492e20a/out/int.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |             try!(write!(fmt, "one of `{}`",
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/sindra-c2dad0392492e20a/out/int.rs:29:15
[INFO] [stdout]    |
[INFO] [stdout] 29 |             { try!(write!(fmt, ", `{}`", escape_default(elem))); }
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/sindra-c2dad0392492e20a/out/float.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         try!(write!(fmt, "error at {}:{}: expected ", self.line,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/sindra-c2dad0392492e20a/out/float.rs:20:11
[INFO] [stdout]    |
[INFO] [stdout] 20 |         { try!(write!(fmt, "EOF")); } else if self.expected.len() == 1
[INFO] [stdout]    |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/sindra-c2dad0392492e20a/out/float.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |             try!(write!(fmt, "`{}`",
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/sindra-c2dad0392492e20a/out/float.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |             try!(write!(fmt, "one of `{}`",
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/sindra-c2dad0392492e20a/out/float.rs:29:15
[INFO] [stdout]    |
[INFO] [stdout] 29 |             { 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]    |                                           ^^                                            ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 14 -     pub static ref UNICODE_REGEX: Regex = { Regex::new(unicode_char_pattern!()).unwrap() };
[INFO] [stdout] 14 +     pub static ref UNICODE_REGEX: Regex = Regex::new(unicode_char_pattern!()).unwrap();
[INFO] [stdout]    |
[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]    |                                          ^^                                      ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 31 -     pub static ref ESCAPE_REGEX: Regex = { Regex::new(escape_pattern!()).unwrap() };
[INFO] [stdout] 31 +     pub static ref ESCAPE_REGEX: Regex = Regex::new(escape_pattern!()).unwrap();
[INFO] [stdout]    |
[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]    |                                          ^^                               ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 54 -     pub static ref STRING_REGEX: Regex = { Regex::new(PTN_STRING).unwrap() };
[INFO] [stdout] 54 +     pub static ref STRING_REGEX: Regex = Regex::new(PTN_STRING).unwrap();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/scope/mod.rs:85:29
[INFO] [stdout]    |
[INFO] [stdout] 85 |     fn set_scope(&mut self, Option<Rc<RefCell<Sc>>>);
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Option<Rc<RefCell<Sc>>>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::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 the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::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 the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::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 the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::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 the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/rules/string.rs:65:29
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub fn match_str_ext(input: &str, pos: usize) -> Option<(usize, Captures)> {
[INFO] [stdout]    |                             ^^^^ the lifetime is elided here    ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub fn match_str_ext(input: &str, pos: usize) -> Option<(usize, Captures<'_>)> {
[INFO] [stdout]    |                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a 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] [stderr]    Compiling sindra v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> tests/string.rs:16:6
[INFO] [stdout]    |
[INFO] [stdout] 16 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/sindra-c2dad0392492e20a/out/int.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         try!(write!(fmt, "error at {}:{}: expected ", self.line,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/sindra-c2dad0392492e20a/out/int.rs:20:11
[INFO] [stdout]    |
[INFO] [stdout] 20 |         { try!(write!(fmt, "EOF")); } else if self.expected.len() == 1
[INFO] [stdout]    |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/sindra-c2dad0392492e20a/out/int.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |             try!(write!(fmt, "`{}`",
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/sindra-c2dad0392492e20a/out/int.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |             try!(write!(fmt, "one of `{}`",
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/sindra-c2dad0392492e20a/out/int.rs:29:15
[INFO] [stdout]    |
[INFO] [stdout] 29 |             { try!(write!(fmt, ", `{}`", escape_default(elem))); }
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/sindra-c2dad0392492e20a/out/float.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         try!(write!(fmt, "error at {}:{}: expected ", self.line,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/sindra-c2dad0392492e20a/out/float.rs:20:11
[INFO] [stdout]    |
[INFO] [stdout] 20 |         { try!(write!(fmt, "EOF")); } else if self.expected.len() == 1
[INFO] [stdout]    |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/sindra-c2dad0392492e20a/out/float.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |             try!(write!(fmt, "`{}`",
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/sindra-c2dad0392492e20a/out/float.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |             try!(write!(fmt, "one of `{}`",
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/sindra-c2dad0392492e20a/out/float.rs:29:15
[INFO] [stdout]    |
[INFO] [stdout] 29 |             { 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]    |                                           ^^                                            ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 14 -     pub static ref UNICODE_REGEX: Regex = { Regex::new(unicode_char_pattern!()).unwrap() };
[INFO] [stdout] 14 +     pub static ref UNICODE_REGEX: Regex = Regex::new(unicode_char_pattern!()).unwrap();
[INFO] [stdout]    |
[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]    |                                          ^^                                      ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 31 -     pub static ref ESCAPE_REGEX: Regex = { Regex::new(escape_pattern!()).unwrap() };
[INFO] [stdout] 31 +     pub static ref ESCAPE_REGEX: Regex = Regex::new(escape_pattern!()).unwrap();
[INFO] [stdout]    |
[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]    |                                          ^^                               ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 54 -     pub static ref STRING_REGEX: Regex = { Regex::new(PTN_STRING).unwrap() };
[INFO] [stdout] 54 +     pub static ref STRING_REGEX: Regex = Regex::new(PTN_STRING).unwrap();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/scope/mod.rs:85:29
[INFO] [stdout]    |
[INFO] [stdout] 85 |     fn set_scope(&mut self, Option<Rc<RefCell<Sc>>>);
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Option<Rc<RefCell<Sc>>>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::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 the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::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 the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::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 the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::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 the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/rules/string.rs:65:29
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub fn match_str_ext(input: &str, pos: usize) -> Option<(usize, Captures)> {
[INFO] [stdout]    |                             ^^^^ the lifetime is elided here    ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub fn match_str_ext(input: &str, pos: usize) -> Option<(usize, Captures<'_>)> {
[INFO] [stdout]    |                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a 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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "d0427e586c2e02383e43c74d9e5c4bfb831a4f55defb6a0584d7fdb38673afd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0427e586c2e02383e43c74d9e5c4bfb831a4f55defb6a0584d7fdb38673afd2", kill_on_drop: false }`
[INFO] [stdout] d0427e586c2e02383e43c74d9e5c4bfb831a4f55defb6a0584d7fdb38673afd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 12f58370ab078ac4af40cda9d79967960ab6d042c2c9ab939548a621e10b6c62
[INFO] running `Command { std: "docker" "start" "-a" "12f58370ab078ac4af40cda9d79967960ab6d042c2c9ab939548a621e10b6c62", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/sindra-c2dad0392492e20a/out/int.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |         try!(write!(fmt, "error at {}:{}: expected ", self.line,
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/sindra-c2dad0392492e20a/out/int.rs:20:11
[INFO] [stderr]    |
[INFO] [stderr] 20 |         { try!(write!(fmt, "EOF")); } else if self.expected.len() == 1
[INFO] [stderr]    |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/sindra-c2dad0392492e20a/out/int.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 |             try!(write!(fmt, "`{}`",
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/sindra-c2dad0392492e20a/out/int.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |             try!(write!(fmt, "one of `{}`",
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/sindra-c2dad0392492e20a/out/int.rs:29:15
[INFO] [stderr]    |
[INFO] [stderr] 29 |             { try!(write!(fmt, ", `{}`", escape_default(elem))); }
[INFO] [stderr]    |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/sindra-c2dad0392492e20a/out/float.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |         try!(write!(fmt, "error at {}:{}: expected ", self.line,
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/sindra-c2dad0392492e20a/out/float.rs:20:11
[INFO] [stderr]    |
[INFO] [stderr] 20 |         { try!(write!(fmt, "EOF")); } else if self.expected.len() == 1
[INFO] [stderr]    |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/sindra-c2dad0392492e20a/out/float.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 |             try!(write!(fmt, "`{}`",
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/sindra-c2dad0392492e20a/out/float.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |             try!(write!(fmt, "one of `{}`",
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/sindra-c2dad0392492e20a/out/float.rs:29:15
[INFO] [stderr]    |
[INFO] [stderr] 29 |             { 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]    |                                           ^^                                            ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr] 14 -     pub static ref UNICODE_REGEX: Regex = { Regex::new(unicode_char_pattern!()).unwrap() };
[INFO] [stderr] 14 +     pub static ref UNICODE_REGEX: Regex = Regex::new(unicode_char_pattern!()).unwrap();
[INFO] [stderr]    |
[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]    |                                          ^^                                      ^^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr] 31 -     pub static ref ESCAPE_REGEX: Regex = { Regex::new(escape_pattern!()).unwrap() };
[INFO] [stderr] 31 +     pub static ref ESCAPE_REGEX: Regex = Regex::new(escape_pattern!()).unwrap();
[INFO] [stderr]    |
[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]    |                                          ^^                               ^^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr] 54 -     pub static ref STRING_REGEX: Regex = { Regex::new(PTN_STRING).unwrap() };
[INFO] [stderr] 54 +     pub static ref STRING_REGEX: Regex = Regex::new(PTN_STRING).unwrap();
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]   --> src/scope/mod.rs:85:29
[INFO] [stderr]    |
[INFO] [stderr] 85 |     fn set_scope(&mut self, Option<Rc<RefCell<Sc>>>);
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Option<Rc<RefCell<Sc>>>`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stderr]    = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::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 the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::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 the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::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 the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::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 the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/rules/string.rs:65:29
[INFO] [stderr]    |
[INFO] [stderr] 65 | pub fn match_str_ext(input: &str, pos: usize) -> Option<(usize, Captures)> {
[INFO] [stderr]    |                             ^^^^ the lifetime is elided here    ^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 65 | pub fn match_str_ext(input: &str, pos: usize) -> Option<(usize, Captures<'_>)> {
[INFO] [stderr]    |                                                                         ++++
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for a 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: `sindra` (lib) generated 20 warnings (run `cargo fix --lib -p sindra` to apply 5 suggestions)
[INFO] [stderr] warning: `sindra` (lib test) generated 20 warnings (20 duplicates)
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> tests/string.rs:16:6
[INFO] [stderr]    |
[INFO] [stderr] 16 |     };
[INFO] [stderr]    |      ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `sindra` (test "string") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sindra-2922e59755030a3e)
[INFO] [stderr]      Running tests/float.rs (/opt/rustwide/target/debug/deps/float-8e2d7de9e21ab49c)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_float ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/int.rs (/opt/rustwide/target/debug/deps/int-9967bd895cf59862)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_num ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/string.rs (/opt/rustwide/target/debug/deps/string-7520a95cf4435484)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sindra
[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]    |                                           ^^                                            ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr] 14 -     pub static ref UNICODE_REGEX: Regex = { Regex::new(unicode_char_pattern!()).unwrap() };
[INFO] [stderr] 14 +     pub static ref UNICODE_REGEX: Regex = Regex::new(unicode_char_pattern!()).unwrap();
[INFO] [stderr]    |
[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]    |                                          ^^                                      ^^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr] 31 -     pub static ref ESCAPE_REGEX: Regex = { Regex::new(escape_pattern!()).unwrap() };
[INFO] [stderr] 31 +     pub static ref ESCAPE_REGEX: Regex = Regex::new(escape_pattern!()).unwrap();
[INFO] [stderr]    |
[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]    |                                          ^^                               ^^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr] 54 -     pub static ref STRING_REGEX: Regex = { Regex::new(PTN_STRING).unwrap() };
[INFO] [stderr] 54 +     pub static ref STRING_REGEX: Regex = Regex::new(PTN_STRING).unwrap();
[INFO] [stderr]    |
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "12f58370ab078ac4af40cda9d79967960ab6d042c2c9ab939548a621e10b6c62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12f58370ab078ac4af40cda9d79967960ab6d042c2c9ab939548a621e10b6c62", kill_on_drop: false }`
[INFO] [stdout] 12f58370ab078ac4af40cda9d79967960ab6d042c2c9ab939548a621e10b6c62
