[INFO] cloning repository https://github.com/FrenzyExists/codingbat-rust-solutions
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FrenzyExists/codingbat-rust-solutions" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrenzyExists%2Fcodingbat-rust-solutions", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrenzyExists%2Fcodingbat-rust-solutions'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 35ddf9bc2b5f9e9b5e29376919985bef50c34d3a
[INFO] documenting FrenzyExists/codingbat-rust-solutions against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrenzyExists%2Fcodingbat-rust-solutions" "/workspace/builds/worker-29/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-29/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FrenzyExists/codingbat-rust-solutions on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/FrenzyExists/codingbat-rust-solutions
[INFO] finished tweaking git repo https://github.com/FrenzyExists/codingbat-rust-solutions
[INFO] tweaked toml for git repo https://github.com/FrenzyExists/codingbat-rust-solutions written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] crate git repo https://github.com/FrenzyExists/codingbat-rust-solutions already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded argh_derive v0.1.6
[INFO] [stderr]   Downloaded argh_shared v0.1.6
[INFO] [stderr]   Downloaded argh v0.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] afebf969628763e3ad0a83924774c047a414a92f989d9e0e67eeb39f4a3ff528
[INFO] running `Command { std: "docker" "start" "-a" "afebf969628763e3ad0a83924774c047a414a92f989d9e0e67eeb39f4a3ff528", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "afebf969628763e3ad0a83924774c047a414a92f989d9e0e67eeb39f4a3ff528", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afebf969628763e3ad0a83924774c047a414a92f989d9e0e67eeb39f4a3ff528", kill_on_drop: false }`
[INFO] [stdout] afebf969628763e3ad0a83924774c047a414a92f989d9e0e67eeb39f4a3ff528
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57ada7cdf9d5eed0b0504a351a08c9b11723b62a2abb948603373a0f9567eda5
[INFO] running `Command { std: "docker" "start" "-a" "57ada7cdf9d5eed0b0504a351a08c9b11723b62a2abb948603373a0f9567eda5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling argh_shared v0.1.6
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling argh_derive v0.1.6
[INFO] [stderr]     Checking argh v0.1.6
[INFO] [stderr]  Documenting codingbat-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]   --> src/warmup1.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |   /// ```
[INFO] [stdout]    |  _____^
[INFO] [stdout] 19 | | /// end_up("Hello"); → "HeLLO"
[INFO] [stdout] 20 | | /// end_up("hi there"); → "hi thERE"
[INFO] [stdout] 21 | | /// end_up("hi"); → "HI"
[INFO] [stdout] 22 | | /// ```
[INFO] [stdout]    | |_______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::invalid_rust_codeblocks)]` on by default
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]    |
[INFO] [stdout] 18 | /// ```text
[INFO] [stdout]    |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]   --> src/warmup1.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |   /// ```
[INFO] [stdout]    |  _____^
[INFO] [stdout] 55 | | /// sumDouble(1, 2); → 3
[INFO] [stdout] 56 | | /// sumDouble(3, 2); → 5
[INFO] [stdout] 57 | | /// sumDouble(2, 2); → 8
[INFO] [stdout] 58 | | /// ```
[INFO] [stdout]    | |_______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]    |
[INFO] [stdout] 54 | /// ```text
[INFO] [stdout]    |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]   --> src/warmup1.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 |   /// ```
[INFO] [stdout]    |  _____^
[INFO] [stdout] 71 | | /// stringE("Hello") → true
[INFO] [stdout] 72 | | /// stringE("Heelle") → true
[INFO] [stdout] 73 | | /// stringE("Heelele") → false
[INFO] [stdout] 74 | | /// ```
[INFO] [stdout]    | |_______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]    |
[INFO] [stdout] 70 | /// ```text
[INFO] [stdout]    |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/warmup1.rs:102:5
[INFO] [stdout]     |
[INFO] [stdout] 102 |   /// ```
[INFO] [stdout]     |  _____^
[INFO] [stdout] 103 | | /// front22("kitten") → "kikittenki"
[INFO] [stdout] 104 | | /// front22("Ha") → "HaHaHa"
[INFO] [stdout] 105 | | /// front22("abc") → "ababcab"
[INFO] [stdout] 106 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 102 | /// ```text
[INFO] [stdout]     |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: Rust code block is empty
[INFO] [stdout]    --> src/warmup1.rs:127:5
[INFO] [stdout]     |
[INFO] [stdout] 127 |   /// ```
[INFO] [stdout]     |  _____^
[INFO] [stdout] 128 | | ///
[INFO] [stdout] 129 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 127 | /// ```text
[INFO] [stdout]     |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/warmup1.rs:143:5
[INFO] [stdout]     |
[INFO] [stdout] 143 |   /// ```
[INFO] [stdout]     |  _____^
[INFO] [stdout] 144 | | /// posNeg(1, -1, false); → true
[INFO] [stdout] 145 | | /// posNeg(-1, 1, false); → true
[INFO] [stdout] 146 | | /// posNeg(-4, -5, true); → true
[INFO] [stdout] 147 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 143 | /// ```text
[INFO] [stdout]     |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/warmup1.rs:165:5
[INFO] [stdout]     |
[INFO] [stdout] 165 |   /// ```
[INFO] [stdout]     |  _____^
[INFO] [stdout] 166 | | /// parrotTrouble(true, 6) → true
[INFO] [stdout] 167 | | /// parrotTrouble(true, 7) → false
[INFO] [stdout] 168 | | /// parrotTrouble(false, 6) → false
[INFO] [stdout] 169 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 165 | /// ```text
[INFO] [stdout]     |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/warmup1.rs:183:5
[INFO] [stdout]     |
[INFO] [stdout] 183 |   /// ```
[INFO] [stdout]     |  _____^
[INFO] [stdout] 184 | | /// notString("candy"); → "not candy"
[INFO] [stdout] 185 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 183 | /// ```text
[INFO] [stdout]     |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/warmup1.rs:204:5
[INFO] [stdout]     |
[INFO] [stdout] 204 |   /// ```
[INFO] [stdout]     |  _____^
[INFO] [stdout] 205 | | /// nearHundred(93); → true
[INFO] [stdout] 206 | | /// nearHundred(90); → true
[INFO] [stdout] 207 | | /// nearHundred(89); → false
[INFO] [stdout] 208 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 204 | /// ```text
[INFO] [stdout]     |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/warmup1.rs:224:5
[INFO] [stdout]     |
[INFO] [stdout] 224 |   /// ```
[INFO] [stdout]     |  _____^
[INFO] [stdout] 225 | | /// monkeyTrouble(true, true) → true
[INFO] [stdout] 226 | | /// monkeyTrouble(false, false) → true
[INFO] [stdout] 227 | | /// monkeyTrouble(true, false) → false
[INFO] [stdout] 228 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 224 | /// ```text
[INFO] [stdout]     |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/warmup1.rs:243:5
[INFO] [stdout]     |
[INFO] [stdout] 243 |   /// ```
[INFO] [stdout]     |  _____^
[INFO] [stdout] 244 | | /// missing_char("kitten", 1) → "ktten"
[INFO] [stdout] 245 | | /// missing_char("kitten", 0) → "itten"
[INFO] [stdout] 246 | | /// missing_char("kitten", 4) → "kittn
[INFO] [stdout] 247 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unterminated double quote string
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 243 | /// ```text
[INFO] [stdout]     |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/warmup1.rs:262:5
[INFO] [stdout]     |
[INFO] [stdout] 262 |   /// ```
[INFO] [stdout]     |  _____^
[INFO] [stdout] 263 | | /// max1020(11, 19); → 19
[INFO] [stdout] 264 | | /// max1020(19, 11); → 19
[INFO] [stdout] 265 | | /// max1020(11, 9); → 11
[INFO] [stdout] 266 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 262 | /// ```text
[INFO] [stdout]     |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/warmup1.rs:282:5
[INFO] [stdout]     |
[INFO] [stdout] 282 |   /// ```
[INFO] [stdout]     |  _____^
[INFO] [stdout] 283 | | /// makes_10(9, 10) → true
[INFO] [stdout] 284 | | /// makes_10(9, 9) → false
[INFO] [stdout] 285 | | /// makes_10(1, 9) → true
[INFO] [stdout] 286 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 282 | /// ```text
[INFO] [stdout]     |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/warmup1.rs:300:5
[INFO] [stdout]     |
[INFO] [stdout] 300 |   /// ```
[INFO] [stdout]     |  _____^
[INFO] [stdout] 301 | | /// lastDigit(7, 17) → true
[INFO] [stdout] 302 | | /// lastDigit(6, 17) → false
[INFO] [stdout] 303 | | /// lastDigit(3, 113) → true
[INFO] [stdout] 304 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 300 | /// ```text
[INFO] [stdout]     |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/warmup1.rs:327:5
[INFO] [stdout]     |
[INFO] [stdout] 327 |   /// ```
[INFO] [stdout]     |  _____^
[INFO] [stdout] 328 | | /// diff21(19) → 2
[INFO] [stdout] 329 | | /// diff21(10) → 11
[INFO] [stdout] 330 | | /// diff21(21) → 0
[INFO] [stdout] 331 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 327 | /// ```text
[INFO] [stdout]     |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/warmup1.rs:344:5
[INFO] [stdout]     |
[INFO] [stdout] 344 |   /// ```
[INFO] [stdout]     |  _____^
[INFO] [stdout] 345 | | /// frontBack("code") → "eodc"
[INFO] [stdout] 346 | | /// frontBack("a") → "a"
[INFO] [stdout] 347 | | /// frontBack("ab") → "ba"
[INFO] [stdout] 348 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 344 | /// ```text
[INFO] [stdout]     |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/warmup1.rs:362:5
[INFO] [stdout]     |
[INFO] [stdout] 362 |   /// ```
[INFO] [stdout]     |  _____^
[INFO] [stdout] 363 | | /// front3("Java") → "JavJavJav"
[INFO] [stdout] 364 | | /// front3("Chocolate") → "ChoChoCho"
[INFO] [stdout] 365 | | /// front3("abc") → "abcabcabc"
[INFO] [stdout] 366 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 362 | /// ```text
[INFO] [stdout]     |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/warmup1.rs:385:5
[INFO] [stdout]     |
[INFO] [stdout] 385 |   /// ```
[INFO] [stdout]     |  _____^
[INFO] [stdout] 386 | | /// backAround("cat") → "tcatt"
[INFO] [stdout] 387 | | /// backAround("Hello") → "oHelloo"
[INFO] [stdout] 388 | | /// backAround("a") → "aaa"
[INFO] [stdout] 389 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 385 | /// ```text
[INFO] [stdout]     |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/warmup1.rs:403:5
[INFO] [stdout]     |
[INFO] [stdout] 403 |   /// ```
[INFO] [stdout]     |  _____^
[INFO] [stdout] 404 | | /// close10(8, 13) → 8
[INFO] [stdout] 405 | | /// close10(13, 8) → 8
[INFO] [stdout] 406 | | /// close10(13, 7) → 0
[INFO] [stdout] 407 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 403 | /// ```text
[INFO] [stdout]     |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/warmup1.rs:420:5
[INFO] [stdout]     |
[INFO] [stdout] 420 |   /// ```
[INFO] [stdout]     |  _____^
[INFO] [stdout] 421 | | /// delDel("adelbc") → "abc"
[INFO] [stdout] 422 | | /// delDel("adelHello") → "aHello"
[INFO] [stdout] 423 | | /// delDel("adedbc") → "adedbc"
[INFO] [stdout] 424 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 420 | /// ```text
[INFO] [stdout]     |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/warmup1.rs:438:5
[INFO] [stdout]     |
[INFO] [stdout] 438 |   /// ```
[INFO] [stdout]     |  _____^
[INFO] [stdout] 439 | | /// every_nth("Miracle", 2) → "Mrce"
[INFO] [stdout] 440 | | /// every_nth("abcdefg", 2) → "aceg"
[INFO] [stdout] 441 | | /// every_nth("abcdefg", 3) → "adg"
[INFO] [stdout] 442 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 438 | /// ```text
[INFO] [stdout]     |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/warmup1.rs:467:5
[INFO] [stdout]     |
[INFO] [stdout] 467 |   /// ```
[INFO] [stdout]     |  _____^
[INFO] [stdout] 468 | | /// hasTeen(13, 20, 10) → true
[INFO] [stdout] 469 | | /// hasTeen(20, 19, 10) → true
[INFO] [stdout] 470 | | /// hasTeen(20, 10, 13) → true
[INFO] [stdout] 471 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 467 | /// ```text
[INFO] [stdout]     |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/warmup1.rs:481:5
[INFO] [stdout]     |
[INFO] [stdout] 481 |   /// ```
[INFO] [stdout]     |  _____^
[INFO] [stdout] 482 | | /// icyHot(120, -1) → true
[INFO] [stdout] 483 | | /// icyHot(-1, 120) → true
[INFO] [stdout] 484 | | /// icyHot(2, 120) → false
[INFO] [stdout] 485 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 481 | /// ```text
[INFO] [stdout]     |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/warmup1.rs:495:5
[INFO] [stdout]     |
[INFO] [stdout] 495 |   /// ```
[INFO] [stdout]     |  _____^
[INFO] [stdout] 496 | | /// in1020(12, 99) → true
[INFO] [stdout] 497 | | /// in1020(21, 12) → true
[INFO] [stdout] 498 | | /// in1020(8, 99) → false
[INFO] [stdout] 499 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 495 | /// ```text
[INFO] [stdout]     |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/warmup1.rs:512:5
[INFO] [stdout]     |
[INFO] [stdout] 512 |   /// ```
[INFO] [stdout]     |  _____^
[INFO] [stdout] 513 | | /// in3050(30, 31) → true
[INFO] [stdout] 514 | | /// in3050(30, 41) → false
[INFO] [stdout] 515 | | /// in3050(40, 50) → true
[INFO] [stdout] 516 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 512 | /// ```text
[INFO] [stdout]     |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/warmup1.rs:527:5
[INFO] [stdout]     |
[INFO] [stdout] 527 |   /// ```
[INFO] [stdout]     |  _____^
[INFO] [stdout] 528 | | /// intMax(1, 2, 3) → 3
[INFO] [stdout] 529 | | /// intMax(1, 3, 2) → 3
[INFO] [stdout] 530 | | /// intMax(3, 2, 1) → 3
[INFO] [stdout] 531 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 527 | /// ```text
[INFO] [stdout]     |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/warmup1.rs:545:5
[INFO] [stdout]     |
[INFO] [stdout] 545 |   /// ```
[INFO] [stdout]     |  _____^
[INFO] [stdout] 546 | | /// or35(3) → true
[INFO] [stdout] 547 | | /// or35(10) → true
[INFO] [stdout] 548 | | /// or35(8) → false
[INFO] [stdout] 549 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 545 | /// ```text
[INFO] [stdout]     |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/warmup1.rs:563:5
[INFO] [stdout]     |
[INFO] [stdout] 563 |   /// ```
[INFO] [stdout]     |  _____^
[INFO] [stdout] 564 | | /// startOz("ozymandias") → "oz"
[INFO] [stdout] 565 | | /// startOz("bzoo") → "z"
[INFO] [stdout] 566 | | /// startOz("oxx") → "o"
[INFO] [stdout] 567 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 563 | /// ```text
[INFO] [stdout]     |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/warmup1.rs:578:5
[INFO] [stdout]     |
[INFO] [stdout] 578 |   /// ```
[INFO] [stdout]     |  _____^
[INFO] [stdout] 579 | | /// mixStart("mix snacks") → true
[INFO] [stdout] 580 | | /// mixStart("pix snacks") → true
[INFO] [stdout] 581 | | /// mixStart("piz snacks") → false
[INFO] [stdout] 582 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 578 | /// ```text
[INFO] [stdout]     |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/warmup1.rs:592:5
[INFO] [stdout]     |
[INFO] [stdout] 592 |   /// ```
[INFO] [stdout]     |  _____^
[INFO] [stdout] 593 | | /// startHi("hi there") → true
[INFO] [stdout] 594 | | /// startHi("hi") → true
[INFO] [stdout] 595 | | /// startHi("hello hi") → false
[INFO] [stdout] 596 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 592 | /// ```text
[INFO] [stdout]     |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]   --> src/warmup2.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |   /// ```
[INFO] [stdout]    |  _____^
[INFO] [stdout] 16 | | /// altPairs("kitten") → "kien"
[INFO] [stdout] 17 | | /// altPairs("Chocolate") → "Chole"
[INFO] [stdout] 18 | | /// altPairs("CodingHorror") → "Congrr"
[INFO] [stdout] 19 | | /// ```
[INFO] [stdout]    | |_______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]    |
[INFO] [stdout] 15 | /// ```text
[INFO] [stdout]    |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]   --> src/warmup2.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |   /// ```
[INFO] [stdout]    |  _____^
[INFO] [stdout] 52 | | /// array123([1, 1, 2, 3, 1]) → true
[INFO] [stdout] 53 | | /// array123([1, 1, 2, 4, 1]) → false
[INFO] [stdout] 54 | | /// array123([1, 1, 2, 1, 2, 3]) → true
[INFO] [stdout] 55 | | /// ```
[INFO] [stdout]    | |_______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]    |
[INFO] [stdout] 51 | /// ```text
[INFO] [stdout]    |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]   --> src/warmup2.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 |   /// ```
[INFO] [stdout]    |  _____^
[INFO] [stdout] 75 | | /// array667([6, 6, 2]) → 1
[INFO] [stdout] 76 | | /// array667([6, 6, 2, 6]) → 1
[INFO] [stdout] 77 | | /// array667([6, 7, 2, 6]) → 1
[INFO] [stdout] 78 | | /// ```
[INFO] [stdout]    | |_______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]    |
[INFO] [stdout] 74 | /// ```text
[INFO] [stdout]    |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/warmup2.rs:107:5
[INFO] [stdout]     |
[INFO] [stdout] 107 |   /// ```
[INFO] [stdout]     |  _____^
[INFO] [stdout] 108 | | /// countXX("abcxx") → 1
[INFO] [stdout] 109 | | /// countXX("xxx") → 2
[INFO] [stdout] 110 | | /// countXX("xxxx") → 3
[INFO] [stdout] 111 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 107 | /// ```text
[INFO] [stdout]     |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/warmup2.rs:149:5
[INFO] [stdout]     |
[INFO] [stdout] 149 |   /// ```
[INFO] [stdout]     |  _____^
[INFO] [stdout] 150 | | /// stringSplosion("Code") → "CCoCodCode"
[INFO] [stdout] 151 | | /// stringSplosion("abc") → "aababc"
[INFO] [stdout] 152 | | /// stringSplosion("ab") → "aab"
[INFO] [stdout] 153 | | ///```
[INFO] [stdout]     | |______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 149 | /// ```text
[INFO] [stdout]     |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/warmup2.rs:204:5
[INFO] [stdout]     |
[INFO] [stdout] 204 |   /// ```
[INFO] [stdout]     |  _____^
[INFO] [stdout] 205 | | /// stringYak("yakpak") → "pak"
[INFO] [stdout] 206 | | /// stringYak("pakyak") → "pak"
[INFO] [stdout] 207 | | /// stringYak("yak123ya") → "123ya"
[INFO] [stdout] 208 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 204 | /// ```text
[INFO] [stdout]     |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 36 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.92s
[INFO] running `Command { std: "docker" "inspect" "57ada7cdf9d5eed0b0504a351a08c9b11723b62a2abb948603373a0f9567eda5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57ada7cdf9d5eed0b0504a351a08c9b11723b62a2abb948603373a0f9567eda5", kill_on_drop: false }`
[INFO] [stdout] 57ada7cdf9d5eed0b0504a351a08c9b11723b62a2abb948603373a0f9567eda5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] fb7bdaf54a6304646fcb2db4c79fb96d3fe1633c1505a7d279a11c3251517ad4
[INFO] running `Command { std: "docker" "start" "-a" "fb7bdaf54a6304646fcb2db4c79fb96d3fe1633c1505a7d279a11c3251517ad4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling argh_shared v0.1.6
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling argh_derive v0.1.6
[INFO] [stderr]     Checking argh v0.1.6
[INFO] [stderr]  Documenting codingbat-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]   --> src/warmup1.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |   /// ```
[INFO] [stdout]    |  _____^
[INFO] [stdout] 19 | | /// end_up("Hello"); → "HeLLO"
[INFO] [stdout] 20 | | /// end_up("hi there"); → "hi thERE"
[INFO] [stdout] 21 | | /// end_up("hi"); → "HI"
[INFO] [stdout] 22 | | /// ```
[INFO] [stdout]    | |_______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::invalid_rust_codeblocks)]` on by default
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]    |
[INFO] [stdout] 18 | /// ```text
[INFO] [stdout]    |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]   --> src/warmup1.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |   /// ```
[INFO] [stdout]    |  _____^
[INFO] [stdout] 55 | | /// sumDouble(1, 2); → 3
[INFO] [stdout] 56 | | /// sumDouble(3, 2); → 5
[INFO] [stdout] 57 | | /// sumDouble(2, 2); → 8
[INFO] [stdout] 58 | | /// ```
[INFO] [stdout]    | |_______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]    |
[INFO] [stdout] 54 | /// ```text
[INFO] [stdout]    |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]   --> src/warmup1.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 |   /// ```
[INFO] [stdout]    |  _____^
[INFO] [stdout] 71 | | /// stringE("Hello") → true
[INFO] [stdout] 72 | | /// stringE("Heelle") → true
[INFO] [stdout] 73 | | /// stringE("Heelele") → false
[INFO] [stdout] 74 | | /// ```
[INFO] [stdout]    | |_______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]    |
[INFO] [stdout] 70 | /// ```text
[INFO] [stdout]    |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/warmup1.rs:102:5
[INFO] [stdout]     |
[INFO] [stdout] 102 |   /// ```
[INFO] [stdout]     |  _____^
[INFO] [stdout] 103 | | /// front22("kitten") → "kikittenki"
[INFO] [stdout] 104 | | /// front22("Ha") → "HaHaHa"
[INFO] [stdout] 105 | | /// front22("abc") → "ababcab"
[INFO] [stdout] 106 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 102 | /// ```text
[INFO] [stdout]     |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: Rust code block is empty
[INFO] [stdout]    --> src/warmup1.rs:127:5
[INFO] [stdout]     |
[INFO] [stdout] 127 |   /// ```
[INFO] [stdout]     |  _____^
[INFO] [stdout] 128 | | ///
[INFO] [stdout] 129 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 127 | /// ```text
[INFO] [stdout]     |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/warmup1.rs:143:5
[INFO] [stdout]     |
[INFO] [stdout] 143 |   /// ```
[INFO] [stdout]     |  _____^
[INFO] [stdout] 144 | | /// posNeg(1, -1, false); → true
[INFO] [stdout] 145 | | /// posNeg(-1, 1, false); → true
[INFO] [stdout] 146 | | /// posNeg(-4, -5, true); → true
[INFO] [stdout] 147 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 143 | /// ```text
[INFO] [stdout]     |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/warmup1.rs:165:5
[INFO] [stdout]     |
[INFO] [stdout] 165 |   /// ```
[INFO] [stdout]     |  _____^
[INFO] [stdout] 166 | | /// parrotTrouble(true, 6) → true
[INFO] [stdout] 167 | | /// parrotTrouble(true, 7) → false
[INFO] [stdout] 168 | | /// parrotTrouble(false, 6) → false
[INFO] [stdout] 169 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 165 | /// ```text
[INFO] [stdout]     |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/warmup1.rs:183:5
[INFO] [stdout]     |
[INFO] [stdout] 183 |   /// ```
[INFO] [stdout]     |  _____^
[INFO] [stdout] 184 | | /// notString("candy"); → "not candy"
[INFO] [stdout] 185 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 183 | /// ```text
[INFO] [stdout]     |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/warmup1.rs:204:5
[INFO] [stdout]     |
[INFO] [stdout] 204 |   /// ```
[INFO] [stdout]     |  _____^
[INFO] [stdout] 205 | | /// nearHundred(93); → true
[INFO] [stdout] 206 | | /// nearHundred(90); → true
[INFO] [stdout] 207 | | /// nearHundred(89); → false
[INFO] [stdout] 208 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 204 | /// ```text
[INFO] [stdout]     |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/warmup1.rs:224:5
[INFO] [stdout]     |
[INFO] [stdout] 224 |   /// ```
[INFO] [stdout]     |  _____^
[INFO] [stdout] 225 | | /// monkeyTrouble(true, true) → true
[INFO] [stdout] 226 | | /// monkeyTrouble(false, false) → true
[INFO] [stdout] 227 | | /// monkeyTrouble(true, false) → false
[INFO] [stdout] 228 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 224 | /// ```text
[INFO] [stdout]     |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/warmup1.rs:243:5
[INFO] [stdout]     |
[INFO] [stdout] 243 |   /// ```
[INFO] [stdout]     |  _____^
[INFO] [stdout] 244 | | /// missing_char("kitten", 1) → "ktten"
[INFO] [stdout] 245 | | /// missing_char("kitten", 0) → "itten"
[INFO] [stdout] 246 | | /// missing_char("kitten", 4) → "kittn
[INFO] [stdout] 247 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unterminated double quote string
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 243 | /// ```text
[INFO] [stdout]     |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/warmup1.rs:262:5
[INFO] [stdout]     |
[INFO] [stdout] 262 |   /// ```
[INFO] [stdout]     |  _____^
[INFO] [stdout] 263 | | /// max1020(11, 19); → 19
[INFO] [stdout] 264 | | /// max1020(19, 11); → 19
[INFO] [stdout] 265 | | /// max1020(11, 9); → 11
[INFO] [stdout] 266 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 262 | /// ```text
[INFO] [stdout]     |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/warmup1.rs:282:5
[INFO] [stdout]     |
[INFO] [stdout] 282 |   /// ```
[INFO] [stdout]     |  _____^
[INFO] [stdout] 283 | | /// makes_10(9, 10) → true
[INFO] [stdout] 284 | | /// makes_10(9, 9) → false
[INFO] [stdout] 285 | | /// makes_10(1, 9) → true
[INFO] [stdout] 286 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 282 | /// ```text
[INFO] [stdout]     |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/warmup1.rs:300:5
[INFO] [stdout]     |
[INFO] [stdout] 300 |   /// ```
[INFO] [stdout]     |  _____^
[INFO] [stdout] 301 | | /// lastDigit(7, 17) → true
[INFO] [stdout] 302 | | /// lastDigit(6, 17) → false
[INFO] [stdout] 303 | | /// lastDigit(3, 113) → true
[INFO] [stdout] 304 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 300 | /// ```text
[INFO] [stdout]     |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/warmup1.rs:327:5
[INFO] [stdout]     |
[INFO] [stdout] 327 |   /// ```
[INFO] [stdout]     |  _____^
[INFO] [stdout] 328 | | /// diff21(19) → 2
[INFO] [stdout] 329 | | /// diff21(10) → 11
[INFO] [stdout] 330 | | /// diff21(21) → 0
[INFO] [stdout] 331 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 327 | /// ```text
[INFO] [stdout]     |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/warmup1.rs:344:5
[INFO] [stdout]     |
[INFO] [stdout] 344 |   /// ```
[INFO] [stdout]     |  _____^
[INFO] [stdout] 345 | | /// frontBack("code") → "eodc"
[INFO] [stdout] 346 | | /// frontBack("a") → "a"
[INFO] [stdout] 347 | | /// frontBack("ab") → "ba"
[INFO] [stdout] 348 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 344 | /// ```text
[INFO] [stdout]     |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/warmup1.rs:362:5
[INFO] [stdout]     |
[INFO] [stdout] 362 |   /// ```
[INFO] [stdout]     |  _____^
[INFO] [stdout] 363 | | /// front3("Java") → "JavJavJav"
[INFO] [stdout] 364 | | /// front3("Chocolate") → "ChoChoCho"
[INFO] [stdout] 365 | | /// front3("abc") → "abcabcabc"
[INFO] [stdout] 366 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 362 | /// ```text
[INFO] [stdout]     |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/warmup1.rs:385:5
[INFO] [stdout]     |
[INFO] [stdout] 385 |   /// ```
[INFO] [stdout]     |  _____^
[INFO] [stdout] 386 | | /// backAround("cat") → "tcatt"
[INFO] [stdout] 387 | | /// backAround("Hello") → "oHelloo"
[INFO] [stdout] 388 | | /// backAround("a") → "aaa"
[INFO] [stdout] 389 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 385 | /// ```text
[INFO] [stdout]     |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/warmup1.rs:403:5
[INFO] [stdout]     |
[INFO] [stdout] 403 |   /// ```
[INFO] [stdout]     |  _____^
[INFO] [stdout] 404 | | /// close10(8, 13) → 8
[INFO] [stdout] 405 | | /// close10(13, 8) → 8
[INFO] [stdout] 406 | | /// close10(13, 7) → 0
[INFO] [stdout] 407 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 403 | /// ```text
[INFO] [stdout]     |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/warmup1.rs:420:5
[INFO] [stdout]     |
[INFO] [stdout] 420 |   /// ```
[INFO] [stdout]     |  _____^
[INFO] [stdout] 421 | | /// delDel("adelbc") → "abc"
[INFO] [stdout] 422 | | /// delDel("adelHello") → "aHello"
[INFO] [stdout] 423 | | /// delDel("adedbc") → "adedbc"
[INFO] [stdout] 424 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 420 | /// ```text
[INFO] [stdout]     |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/warmup1.rs:438:5
[INFO] [stdout]     |
[INFO] [stdout] 438 |   /// ```
[INFO] [stdout]     |  _____^
[INFO] [stdout] 439 | | /// every_nth("Miracle", 2) → "Mrce"
[INFO] [stdout] 440 | | /// every_nth("abcdefg", 2) → "aceg"
[INFO] [stdout] 441 | | /// every_nth("abcdefg", 3) → "adg"
[INFO] [stdout] 442 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 438 | /// ```text
[INFO] [stdout]     |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/warmup1.rs:467:5
[INFO] [stdout]     |
[INFO] [stdout] 467 |   /// ```
[INFO] [stdout]     |  _____^
[INFO] [stdout] 468 | | /// hasTeen(13, 20, 10) → true
[INFO] [stdout] 469 | | /// hasTeen(20, 19, 10) → true
[INFO] [stdout] 470 | | /// hasTeen(20, 10, 13) → true
[INFO] [stdout] 471 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 467 | /// ```text
[INFO] [stdout]     |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/warmup1.rs:481:5
[INFO] [stdout]     |
[INFO] [stdout] 481 |   /// ```
[INFO] [stdout]     |  _____^
[INFO] [stdout] 482 | | /// icyHot(120, -1) → true
[INFO] [stdout] 483 | | /// icyHot(-1, 120) → true
[INFO] [stdout] 484 | | /// icyHot(2, 120) → false
[INFO] [stdout] 485 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 481 | /// ```text
[INFO] [stdout]     |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/warmup1.rs:495:5
[INFO] [stdout]     |
[INFO] [stdout] 495 |   /// ```
[INFO] [stdout]     |  _____^
[INFO] [stdout] 496 | | /// in1020(12, 99) → true
[INFO] [stdout] 497 | | /// in1020(21, 12) → true
[INFO] [stdout] 498 | | /// in1020(8, 99) → false
[INFO] [stdout] 499 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 495 | /// ```text
[INFO] [stdout]     |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/warmup1.rs:512:5
[INFO] [stdout]     |
[INFO] [stdout] 512 |   /// ```
[INFO] [stdout]     |  _____^
[INFO] [stdout] 513 | | /// in3050(30, 31) → true
[INFO] [stdout] 514 | | /// in3050(30, 41) → false
[INFO] [stdout] 515 | | /// in3050(40, 50) → true
[INFO] [stdout] 516 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 512 | /// ```text
[INFO] [stdout]     |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/warmup1.rs:527:5
[INFO] [stdout]     |
[INFO] [stdout] 527 |   /// ```
[INFO] [stdout]     |  _____^
[INFO] [stdout] 528 | | /// intMax(1, 2, 3) → 3
[INFO] [stdout] 529 | | /// intMax(1, 3, 2) → 3
[INFO] [stdout] 530 | | /// intMax(3, 2, 1) → 3
[INFO] [stdout] 531 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 527 | /// ```text
[INFO] [stdout]     |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/warmup1.rs:545:5
[INFO] [stdout]     |
[INFO] [stdout] 545 |   /// ```
[INFO] [stdout]     |  _____^
[INFO] [stdout] 546 | | /// or35(3) → true
[INFO] [stdout] 547 | | /// or35(10) → true
[INFO] [stdout] 548 | | /// or35(8) → false
[INFO] [stdout] 549 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 545 | /// ```text
[INFO] [stdout]     |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/warmup1.rs:563:5
[INFO] [stdout]     |
[INFO] [stdout] 563 |   /// ```
[INFO] [stdout]     |  _____^
[INFO] [stdout] 564 | | /// startOz("ozymandias") → "oz"
[INFO] [stdout] 565 | | /// startOz("bzoo") → "z"
[INFO] [stdout] 566 | | /// startOz("oxx") → "o"
[INFO] [stdout] 567 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 563 | /// ```text
[INFO] [stdout]     |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/warmup1.rs:578:5
[INFO] [stdout]     |
[INFO] [stdout] 578 |   /// ```
[INFO] [stdout]     |  _____^
[INFO] [stdout] 579 | | /// mixStart("mix snacks") → true
[INFO] [stdout] 580 | | /// mixStart("pix snacks") → true
[INFO] [stdout] 581 | | /// mixStart("piz snacks") → false
[INFO] [stdout] 582 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 578 | /// ```text
[INFO] [stdout]     |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/warmup1.rs:592:5
[INFO] [stdout]     |
[INFO] [stdout] 592 |   /// ```
[INFO] [stdout]     |  _____^
[INFO] [stdout] 593 | | /// startHi("hi there") → true
[INFO] [stdout] 594 | | /// startHi("hi") → true
[INFO] [stdout] 595 | | /// startHi("hello hi") → false
[INFO] [stdout] 596 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 592 | /// ```text
[INFO] [stdout]     |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]   --> src/warmup2.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |   /// ```
[INFO] [stdout]    |  _____^
[INFO] [stdout] 16 | | /// altPairs("kitten") → "kien"
[INFO] [stdout] 17 | | /// altPairs("Chocolate") → "Chole"
[INFO] [stdout] 18 | | /// altPairs("CodingHorror") → "Congrr"
[INFO] [stdout] 19 | | /// ```
[INFO] [stdout]    | |_______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]    |
[INFO] [stdout] 15 | /// ```text
[INFO] [stdout]    |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]   --> src/warmup2.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |   /// ```
[INFO] [stdout]    |  _____^
[INFO] [stdout] 52 | | /// array123([1, 1, 2, 3, 1]) → true
[INFO] [stdout] 53 | | /// array123([1, 1, 2, 4, 1]) → false
[INFO] [stdout] 54 | | /// array123([1, 1, 2, 1, 2, 3]) → true
[INFO] [stdout] 55 | | /// ```
[INFO] [stdout]    | |_______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]    |
[INFO] [stdout] 51 | /// ```text
[INFO] [stdout]    |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]   --> src/warmup2.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 |   /// ```
[INFO] [stdout]    |  _____^
[INFO] [stdout] 75 | | /// array667([6, 6, 2]) → 1
[INFO] [stdout] 76 | | /// array667([6, 6, 2, 6]) → 1
[INFO] [stdout] 77 | | /// array667([6, 7, 2, 6]) → 1
[INFO] [stdout] 78 | | /// ```
[INFO] [stdout]    | |_______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]    |
[INFO] [stdout] 74 | /// ```text
[INFO] [stdout]    |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/warmup2.rs:107:5
[INFO] [stdout]     |
[INFO] [stdout] 107 |   /// ```
[INFO] [stdout]     |  _____^
[INFO] [stdout] 108 | | /// countXX("abcxx") → 1
[INFO] [stdout] 109 | | /// countXX("xxx") → 2
[INFO] [stdout] 110 | | /// countXX("xxxx") → 3
[INFO] [stdout] 111 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 107 | /// ```text
[INFO] [stdout]     |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/warmup2.rs:149:5
[INFO] [stdout]     |
[INFO] [stdout] 149 |   /// ```
[INFO] [stdout]     |  _____^
[INFO] [stdout] 150 | | /// stringSplosion("Code") → "CCoCodCode"
[INFO] [stdout] 151 | | /// stringSplosion("abc") → "aababc"
[INFO] [stdout] 152 | | /// stringSplosion("ab") → "aab"
[INFO] [stdout] 153 | | ///```
[INFO] [stdout]     | |______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 149 | /// ```text
[INFO] [stdout]     |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/warmup2.rs:204:5
[INFO] [stdout]     |
[INFO] [stdout] 204 |   /// ```
[INFO] [stdout]     |  _____^
[INFO] [stdout] 205 | | /// stringYak("yakpak") → "pak"
[INFO] [stdout] 206 | | /// stringYak("pakyak") → "pak"
[INFO] [stdout] 207 | | /// stringYak("yak123ya") → "123ya"
[INFO] [stdout] 208 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2192}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 204 | /// ```text
[INFO] [stdout]     |        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 36 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.28s
[INFO] running `Command { std: "docker" "inspect" "fb7bdaf54a6304646fcb2db4c79fb96d3fe1633c1505a7d279a11c3251517ad4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb7bdaf54a6304646fcb2db4c79fb96d3fe1633c1505a7d279a11c3251517ad4", kill_on_drop: false }`
[INFO] [stdout] fb7bdaf54a6304646fcb2db4c79fb96d3fe1633c1505a7d279a11c3251517ad4