[INFO] fetching crate smtlib-syntax 0.1.0...
[INFO] testing smtlib-syntax-0.1.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate smtlib-syntax 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate smtlib-syntax 0.1.0
[INFO] finished tweaking crates.io crate smtlib-syntax 0.1.0
[INFO] tweaked toml for crates.io crate smtlib-syntax 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate smtlib-syntax 0.1.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5e5096d95522c3adc3413fa2bca75ae88637cf1d8cc0c8a345a520d365c74f98
[INFO] running `Command { std: "docker" "start" "-a" "5e5096d95522c3adc3413fa2bca75ae88637cf1d8cc0c8a345a520d365c74f98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e5096d95522c3adc3413fa2bca75ae88637cf1d8cc0c8a345a520d365c74f98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e5096d95522c3adc3413fa2bca75ae88637cf1d8cc0c8a345a520d365c74f98", kill_on_drop: false }`
[INFO] [stdout] 5e5096d95522c3adc3413fa2bca75ae88637cf1d8cc0c8a345a520d365c74f98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb7196c84c5ce99c9370e00a0c8171a339f2bbb5877dd15d53dada4a51a78c36
[INFO] running `Command { std: "docker" "start" "-a" "bb7196c84c5ce99c9370e00a0c8171a339f2bbb5877dd15d53dada4a51a78c36", kill_on_drop: false }`
[INFO] [stderr]    Compiling smtlib-syntax v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lexicon.rs:24:31
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct InvalidStringError(String);
[INFO] [stdout]    |            ------------------ ^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `InvalidStringError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "bb7196c84c5ce99c9370e00a0c8171a339f2bbb5877dd15d53dada4a51a78c36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb7196c84c5ce99c9370e00a0c8171a339f2bbb5877dd15d53dada4a51a78c36", kill_on_drop: false }`
[INFO] [stdout] bb7196c84c5ce99c9370e00a0c8171a339f2bbb5877dd15d53dada4a51a78c36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 546a790d250a4b7889bce9f48d23fa07c21b61385393b91c1e266d991a3e9afc
[INFO] running `Command { std: "docker" "start" "-a" "546a790d250a4b7889bce9f48d23fa07c21b61385393b91c1e266d991a3e9afc", kill_on_drop: false }`
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lexicon.rs:24:31
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct InvalidStringError(String);
[INFO] [stdout]    |            ------------------ ^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `InvalidStringError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling smtlib-syntax v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lexicon.rs:24:31
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct InvalidStringError(String);
[INFO] [stdout]    |            ------------------ ^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `InvalidStringError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "546a790d250a4b7889bce9f48d23fa07c21b61385393b91c1e266d991a3e9afc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "546a790d250a4b7889bce9f48d23fa07c21b61385393b91c1e266d991a3e9afc", kill_on_drop: false }`
[INFO] [stdout] 546a790d250a4b7889bce9f48d23fa07c21b61385393b91c1e266d991a3e9afc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e7772d1649c2bd9031404bd32affab3578f5062374a54271fbbde3854928bd5e
[INFO] running `Command { std: "docker" "start" "-a" "e7772d1649c2bd9031404bd32affab3578f5062374a54271fbbde3854928bd5e", kill_on_drop: false }`
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/lexicon.rs:24:31
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub struct InvalidStringError(String);
[INFO] [stderr]    |            ------------------ ^^^^^^
[INFO] [stderr]    |            |
[INFO] [stderr]    |            field in this struct
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing this field
[INFO] [stderr]    = note: `InvalidStringError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `smtlib-syntax` (lib) generated 1 warning
[INFO] [stderr] warning: `smtlib-syntax` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/smtlib_syntax-58f8f7e718bb294d)
[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] [stderr]    Doc-tests smtlib_syntax
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/identifiers.rs - identifiers (line 8) ... FAILED
[INFO] [stdout] test src/sorts.rs - sorts (line 9) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/identifiers.rs - identifiers (line 8) stdout ----
[INFO] [stdout] error: unknown start of token: \u{3008}
[INFO] [stdout]  --> src/identifiers.rs:9:2
[INFO] [stdout]   |
[INFO] [stdout] 1 |  〈index 〉      ::= 〈numeral 〉 | 〈symbol 〉
[INFO] [stdout]   |  ^^
[INFO] [stdout]   |
[INFO] [stdout] help: Unicode character '〈' (Left Angle Bracket) looks like '<' (Less-Than Sign), but it is not
[INFO] [stdout]   |
[INFO] [stdout] 1 -  〈index 〉      ::= 〈numeral 〉 | 〈symbol 〉
[INFO] [stdout] 1 +  <index 〉      ::= 〈numeral 〉 | 〈symbol 〉
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{3009}
[INFO] [stdout]  --> src/identifiers.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 1 |  〈index 〉      ::= 〈numeral 〉 | 〈symbol 〉
[INFO] [stdout]   |          ^^
[INFO] [stdout]   |
[INFO] [stdout] help: Unicode character '〉' (Right Angle Bracket) looks like '>' (Greater-Than Sign), but it is not
[INFO] [stdout]   |
[INFO] [stdout] 1 -  〈index 〉      ::= 〈numeral 〉 | 〈symbol 〉
[INFO] [stdout] 1 +  〈index >      ::= 〈numeral 〉 | 〈symbol 〉
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{3008}
[INFO] [stdout]  --> src/identifiers.rs:9:20
[INFO] [stdout]   |
[INFO] [stdout] 1 |  〈index 〉      ::= 〈numeral 〉 | 〈symbol 〉
[INFO] [stdout]   |                      ^^
[INFO] [stdout]   |
[INFO] [stdout] help: Unicode character '〈' (Left Angle Bracket) looks like '<' (Less-Than Sign), but it is not
[INFO] [stdout]   |
[INFO] [stdout] 1 -  〈index 〉      ::= 〈numeral 〉 | 〈symbol 〉
[INFO] [stdout] 1 +  〈index 〉      ::= <numeral 〉 | 〈symbol 〉
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{3009}
[INFO] [stdout]  --> src/identifiers.rs:9:29
[INFO] [stdout]   |
[INFO] [stdout] 1 |  〈index 〉      ::= 〈numeral 〉 | 〈symbol 〉
[INFO] [stdout]   |                                ^^
[INFO] [stdout]   |
[INFO] [stdout] help: Unicode character '〉' (Right Angle Bracket) looks like '>' (Greater-Than Sign), but it is not
[INFO] [stdout]   |
[INFO] [stdout] 1 -  〈index 〉      ::= 〈numeral 〉 | 〈symbol 〉
[INFO] [stdout] 1 +  〈index 〉      ::= 〈numeral > | 〈symbol 〉
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{3008}
[INFO] [stdout]  --> src/identifiers.rs:9:33
[INFO] [stdout]   |
[INFO] [stdout] 1 |  〈index 〉      ::= 〈numeral 〉 | 〈symbol 〉
[INFO] [stdout]   |                                     ^^
[INFO] [stdout]   |
[INFO] [stdout] help: Unicode character '〈' (Left Angle Bracket) looks like '<' (Less-Than Sign), but it is not
[INFO] [stdout]   |
[INFO] [stdout] 1 -  〈index 〉      ::= 〈numeral 〉 | 〈symbol 〉
[INFO] [stdout] 1 +  〈index 〉      ::= 〈numeral 〉 | <symbol 〉
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{3009}
[INFO] [stdout]  --> src/identifiers.rs:9:41
[INFO] [stdout]   |
[INFO] [stdout] 1 |  〈index 〉      ::= 〈numeral 〉 | 〈symbol 〉
[INFO] [stdout]   |                                              ^^
[INFO] [stdout]   |
[INFO] [stdout] help: Unicode character '〉' (Right Angle Bracket) looks like '>' (Greater-Than Sign), but it is not
[INFO] [stdout]   |
[INFO] [stdout] 1 -  〈index 〉      ::= 〈numeral 〉 | 〈symbol 〉
[INFO] [stdout] 1 +  〈index 〉      ::= 〈numeral 〉 | 〈symbol >
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{3008}
[INFO] [stdout]  --> src/identifiers.rs:10:2
[INFO] [stdout]   |
[INFO] [stdout] 2 |  〈identifier 〉 ::= 〈symbol 〉 | ( _ 〈symbol 〉 〈index 〉+ )
[INFO] [stdout]   |  ^^
[INFO] [stdout]   |
[INFO] [stdout] help: Unicode character '〈' (Left Angle Bracket) looks like '<' (Less-Than Sign), but it is not
[INFO] [stdout]   |
[INFO] [stdout] 2 -  〈identifier 〉 ::= 〈symbol 〉 | ( _ 〈symbol 〉 〈index 〉+ )
[INFO] [stdout] 2 +  <identifier 〉 ::= 〈symbol 〉 | ( _ 〈symbol 〉 〈index 〉+ )
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{3009}
[INFO] [stdout]  --> src/identifiers.rs:10:14
[INFO] [stdout]   |
[INFO] [stdout] 2 |  〈identifier 〉 ::= 〈symbol 〉 | ( _ 〈symbol 〉 〈index 〉+ )
[INFO] [stdout]   |               ^^
[INFO] [stdout]   |
[INFO] [stdout] help: Unicode character '〉' (Right Angle Bracket) looks like '>' (Greater-Than Sign), but it is not
[INFO] [stdout]   |
[INFO] [stdout] 2 -  〈identifier 〉 ::= 〈symbol 〉 | ( _ 〈symbol 〉 〈index 〉+ )
[INFO] [stdout] 2 +  〈identifier > ::= 〈symbol 〉 | ( _ 〈symbol 〉 〈index 〉+ )
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{3008}
[INFO] [stdout]  --> src/identifiers.rs:10:20
[INFO] [stdout]   |
[INFO] [stdout] 2 |  〈identifier 〉 ::= 〈symbol 〉 | ( _ 〈symbol 〉 〈index 〉+ )
[INFO] [stdout]   |                      ^^
[INFO] [stdout]   |
[INFO] [stdout] help: Unicode character '〈' (Left Angle Bracket) looks like '<' (Less-Than Sign), but it is not
[INFO] [stdout]   |
[INFO] [stdout] 2 -  〈identifier 〉 ::= 〈symbol 〉 | ( _ 〈symbol 〉 〈index 〉+ )
[INFO] [stdout] 2 +  〈identifier 〉 ::= <symbol 〉 | ( _ 〈symbol 〉 〈index 〉+ )
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{3009}
[INFO] [stdout]  --> src/identifiers.rs:10:28
[INFO] [stdout]   |
[INFO] [stdout] 2 |  〈identifier 〉 ::= 〈symbol 〉 | ( _ 〈symbol 〉 〈index 〉+ )
[INFO] [stdout]   |                               ^^
[INFO] [stdout]   |
[INFO] [stdout] help: Unicode character '〉' (Right Angle Bracket) looks like '>' (Greater-Than Sign), but it is not
[INFO] [stdout]   |
[INFO] [stdout] 2 -  〈identifier 〉 ::= 〈symbol 〉 | ( _ 〈symbol 〉 〈index 〉+ )
[INFO] [stdout] 2 +  〈identifier 〉 ::= 〈symbol > | ( _ 〈symbol 〉 〈index 〉+ )
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{3008}
[INFO] [stdout]  --> src/identifiers.rs:10:36
[INFO] [stdout]   |
[INFO] [stdout] 2 |  〈identifier 〉 ::= 〈symbol 〉 | ( _ 〈symbol 〉 〈index 〉+ )
[INFO] [stdout]   |                                        ^^
[INFO] [stdout]   |
[INFO] [stdout] help: Unicode character '〈' (Left Angle Bracket) looks like '<' (Less-Than Sign), but it is not
[INFO] [stdout]   |
[INFO] [stdout] 2 -  〈identifier 〉 ::= 〈symbol 〉 | ( _ 〈symbol 〉 〈index 〉+ )
[INFO] [stdout] 2 +  〈identifier 〉 ::= 〈symbol 〉 | ( _ <symbol 〉 〈index 〉+ )
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{3009}
[INFO] [stdout]  --> src/identifiers.rs:10:44
[INFO] [stdout]   |
[INFO] [stdout] 2 |  〈identifier 〉 ::= 〈symbol 〉 | ( _ 〈symbol 〉 〈index 〉+ )
[INFO] [stdout]   |                                                 ^^
[INFO] [stdout]   |
[INFO] [stdout] help: Unicode character '〉' (Right Angle Bracket) looks like '>' (Greater-Than Sign), but it is not
[INFO] [stdout]   |
[INFO] [stdout] 2 -  〈identifier 〉 ::= 〈symbol 〉 | ( _ 〈symbol 〉 〈index 〉+ )
[INFO] [stdout] 2 +  〈identifier 〉 ::= 〈symbol 〉 | ( _ 〈symbol > 〈index 〉+ )
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{3008}
[INFO] [stdout]  --> src/identifiers.rs:10:46
[INFO] [stdout]   |
[INFO] [stdout] 2 |  〈identifier 〉 ::= 〈symbol 〉 | ( _ 〈symbol 〉 〈index 〉+ )
[INFO] [stdout]   |                                                    ^^
[INFO] [stdout]   |
[INFO] [stdout] help: Unicode character '〈' (Left Angle Bracket) looks like '<' (Less-Than Sign), but it is not
[INFO] [stdout]   |
[INFO] [stdout] 2 -  〈identifier 〉 ::= 〈symbol 〉 | ( _ 〈symbol 〉 〈index 〉+ )
[INFO] [stdout] 2 +  〈identifier 〉 ::= 〈symbol 〉 | ( _ 〈symbol 〉 <index 〉+ )
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{3009}
[INFO] [stdout]  --> src/identifiers.rs:10:53
[INFO] [stdout]   |
[INFO] [stdout] 2 |  〈identifier 〉 ::= 〈symbol 〉 | ( _ 〈symbol 〉 〈index 〉+ )
[INFO] [stdout]   |                                                            ^^
[INFO] [stdout]   |
[INFO] [stdout] help: Unicode character '〉' (Right Angle Bracket) looks like '>' (Greater-Than Sign), but it is not
[INFO] [stdout]   |
[INFO] [stdout] 2 -  〈identifier 〉 ::= 〈symbol 〉 | ( _ 〈symbol 〉 〈index 〉+ )
[INFO] [stdout] 2 +  〈identifier 〉 ::= 〈symbol 〉 | ( _ 〈symbol 〉 〈index >+ )
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found `<`
[INFO] [stdout]  --> src/identifiers.rs:9:2
[INFO] [stdout]   |
[INFO] [stdout] 1 |  〈index 〉      ::= 〈numeral 〉 | 〈symbol 〉
[INFO] [stdout]   |  ^^ expected identifier
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 15 previous errors
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/sorts.rs - sorts (line 9) stdout ----
[INFO] [stdout] error: unknown start of token: \u{3008}
[INFO] [stdout]  --> src/sorts.rs:10:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | 〈sort〉 ::= 〈identi␜er 〉 | ( 〈identi␜er 〉 〈sort〉+ )
[INFO] [stdout]   | ^^
[INFO] [stdout]   |
[INFO] [stdout] help: Unicode character '〈' (Left Angle Bracket) looks like '<' (Less-Than Sign), but it is not
[INFO] [stdout]   |
[INFO] [stdout] 1 - 〈sort〉 ::= 〈identi␜er 〉 | ( 〈identi␜er 〉 〈sort〉+ )
[INFO] [stdout] 1 + <sort〉 ::= 〈identi␜er 〉 | ( 〈identi␜er 〉 〈sort〉+ )
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{3009}
[INFO] [stdout]  --> src/sorts.rs:10:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | 〈sort〉 ::= 〈identi␜er 〉 | ( 〈identi␜er 〉 〈sort〉+ )
[INFO] [stdout]   |       ^^
[INFO] [stdout]   |
[INFO] [stdout] help: Unicode character '〉' (Right Angle Bracket) looks like '>' (Greater-Than Sign), but it is not
[INFO] [stdout]   |
[INFO] [stdout] 1 - 〈sort〉 ::= 〈identi␜er 〉 | ( 〈identi␜er 〉 〈sort〉+ )
[INFO] [stdout] 1 + 〈sort> ::= 〈identi␜er 〉 | ( 〈identi␜er 〉 〈sort〉+ )
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{3008}
[INFO] [stdout]  --> src/sorts.rs:10:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | 〈sort〉 ::= 〈identi␜er 〉 | ( 〈identi␜er 〉 〈sort〉+ )
[INFO] [stdout]   |              ^^
[INFO] [stdout]   |
[INFO] [stdout] help: Unicode character '〈' (Left Angle Bracket) looks like '<' (Less-Than Sign), but it is not
[INFO] [stdout]   |
[INFO] [stdout] 1 - 〈sort〉 ::= 〈identi␜er 〉 | ( 〈identi␜er 〉 〈sort〉+ )
[INFO] [stdout] 1 + 〈sort〉 ::= <identi␜er 〉 | ( 〈identi␜er 〉 〈sort〉+ )
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{1c}
[INFO] [stdout]  --> src/sorts.rs:10:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | 〈sort〉 ::= 〈identi␜er 〉 | ( 〈identi␜er 〉 〈sort〉+ )
[INFO] [stdout]   |                      ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{3009}
[INFO] [stdout]  --> src/sorts.rs:10:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | 〈sort〉 ::= 〈identi␜er 〉 | ( 〈identi␜er 〉 〈sort〉+ )
[INFO] [stdout]   |                          ^^
[INFO] [stdout]   |
[INFO] [stdout] help: Unicode character '〉' (Right Angle Bracket) looks like '>' (Greater-Than Sign), but it is not
[INFO] [stdout]   |
[INFO] [stdout] 1 - 〈sort〉 ::= 〈identi␜er 〉 | ( 〈identi␜er 〉 〈sort〉+ )
[INFO] [stdout] 1 + 〈sort〉 ::= 〈identi␜er > | ( 〈identi␜er 〉 〈sort〉+ )
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{3008}
[INFO] [stdout]  --> src/sorts.rs:10:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | 〈sort〉 ::= 〈identi␜er 〉 | ( 〈identi␜er 〉 〈sort〉+ )
[INFO] [stdout]   |                                 ^^
[INFO] [stdout]   |
[INFO] [stdout] help: Unicode character '〈' (Left Angle Bracket) looks like '<' (Less-Than Sign), but it is not
[INFO] [stdout]   |
[INFO] [stdout] 1 - 〈sort〉 ::= 〈identi␜er 〉 | ( 〈identi␜er 〉 〈sort〉+ )
[INFO] [stdout] 1 + 〈sort〉 ::= 〈identi␜er 〉 | ( <identi␜er 〉 〈sort〉+ )
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{1c}
[INFO] [stdout]  --> src/sorts.rs:10:36
[INFO] [stdout]   |
[INFO] [stdout] 1 | 〈sort〉 ::= 〈identi␜er 〉 | ( 〈identi␜er 〉 〈sort〉+ )
[INFO] [stdout]   |                                         ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{3009}
[INFO] [stdout]  --> src/sorts.rs:10:40
[INFO] [stdout]   |
[INFO] [stdout] 1 | 〈sort〉 ::= 〈identi␜er 〉 | ( 〈identi␜er 〉 〈sort〉+ )
[INFO] [stdout]   |                                             ^^
[INFO] [stdout]   |
[INFO] [stdout] help: Unicode character '〉' (Right Angle Bracket) looks like '>' (Greater-Than Sign), but it is not
[INFO] [stdout]   |
[INFO] [stdout] 1 - 〈sort〉 ::= 〈identi␜er 〉 | ( 〈identi␜er 〉 〈sort〉+ )
[INFO] [stdout] 1 + 〈sort〉 ::= 〈identi␜er 〉 | ( 〈identi␜er > 〈sort〉+ )
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{3008}
[INFO] [stdout]  --> src/sorts.rs:10:42
[INFO] [stdout]   |
[INFO] [stdout] 1 | 〈sort〉 ::= 〈identi␜er 〉 | ( 〈identi␜er 〉 〈sort〉+ )
[INFO] [stdout]   |                                                ^^
[INFO] [stdout]   |
[INFO] [stdout] help: Unicode character '〈' (Left Angle Bracket) looks like '<' (Less-Than Sign), but it is not
[INFO] [stdout]   |
[INFO] [stdout] 1 - 〈sort〉 ::= 〈identi␜er 〉 | ( 〈identi␜er 〉 〈sort〉+ )
[INFO] [stdout] 1 + 〈sort〉 ::= 〈identi␜er 〉 | ( 〈identi␜er 〉 <sort〉+ )
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{3009}
[INFO] [stdout]  --> src/sorts.rs:10:47
[INFO] [stdout]   |
[INFO] [stdout] 1 | 〈sort〉 ::= 〈identi␜er 〉 | ( 〈identi␜er 〉 〈sort〉+ )
[INFO] [stdout]   |                                                      ^^
[INFO] [stdout]   |
[INFO] [stdout] help: Unicode character '〉' (Right Angle Bracket) looks like '>' (Greater-Than Sign), but it is not
[INFO] [stdout]   |
[INFO] [stdout] 1 - 〈sort〉 ::= 〈identi␜er 〉 | ( 〈identi␜er 〉 〈sort〉+ )
[INFO] [stdout] 1 + 〈sort〉 ::= 〈identi␜er 〉 | ( 〈identi␜er 〉 〈sort>+ )
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found `<`
[INFO] [stdout]  --> src/sorts.rs:10:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | 〈sort〉 ::= 〈identi␜er 〉 | ( 〈identi␜er 〉 〈sort〉+ )
[INFO] [stdout]   | ^^ expected identifier
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 11 previous errors
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/identifiers.rs - identifiers (line 8)
[INFO] [stdout]     src/sorts.rs - sorts (line 9)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "e7772d1649c2bd9031404bd32affab3578f5062374a54271fbbde3854928bd5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7772d1649c2bd9031404bd32affab3578f5062374a54271fbbde3854928bd5e", kill_on_drop: false }`
[INFO] [stdout] e7772d1649c2bd9031404bd32affab3578f5062374a54271fbbde3854928bd5e