[INFO] cloning repository https://github.com/sagnikc395/lox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sagnikc395/lox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsagnikc395%2Flox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsagnikc395%2Flox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 02c8c77574f5f26d54157894e676f220aef520f1
[INFO] checking sagnikc395/lox against try#802c9b5f98c16ec9d24cdfd517f740f1f3df0e29 for pr-137728
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsagnikc395%2Flox" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sagnikc395/lox on toolchain 802c9b5f98c16ec9d24cdfd517f740f1f3df0e29
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+802c9b5f98c16ec9d24cdfd517f740f1f3df0e29" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sagnikc395/lox
[INFO] finished tweaking git repo https://github.com/sagnikc395/lox
[INFO] tweaked toml for git repo https://github.com/sagnikc395/lox written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/sagnikc395/lox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+802c9b5f98c16ec9d24cdfd517f740f1f3df0e29" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+802c9b5f98c16ec9d24cdfd517f740f1f3df0e29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e85205298b57c25daf0658896a423b963b7cba9a3ede6eacd2a549ecb9443644
[INFO] running `Command { std: "docker" "start" "-a" "e85205298b57c25daf0658896a423b963b7cba9a3ede6eacd2a549ecb9443644", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e85205298b57c25daf0658896a423b963b7cba9a3ede6eacd2a549ecb9443644", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e85205298b57c25daf0658896a423b963b7cba9a3ede6eacd2a549ecb9443644", kill_on_drop: false }`
[INFO] [stdout] e85205298b57c25daf0658896a423b963b7cba9a3ede6eacd2a549ecb9443644
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+802c9b5f98c16ec9d24cdfd517f740f1f3df0e29" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa06d7565e409bcdfd10ff9860f6fb08c5071b95d68a333856dd7cf1a0ba0bf2
[INFO] running `Command { std: "docker" "start" "-a" "aa06d7565e409bcdfd10ff9860f6fb08c5071b95d68a333856dd7cf1a0ba0bf2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.16
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling thiserror v2.0.11
[INFO] [stderr]     Checking unicode-width v0.1.14
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking bytes v1.10.0
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror-impl v2.0.11
[INFO] [stderr]    Compiling miette-derive v7.5.0
[INFO] [stderr]     Checking miette v7.5.0
[INFO] [stderr]     Checking lox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0106]: missing lifetime specifier
[INFO] [stdout]   --> src/lib.rs:90:82
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub fn lex(input: impl IntoIterator<Item = char>) -> impl Iterator<Item = Result<Token, Error>> {
[INFO] [stdout]    |                                                                                  ^^^^^ expected named lifetime parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: this function's return type contains a borrowed value, but there is no value for it to be borrowed from
[INFO] [stdout] help: consider using the `'static` lifetime, but this is uncommon unless you're returning a borrowed value from a `const` or a `static`, or if you will only have owned values
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub fn lex(input: impl IntoIterator<Item = char>) -> impl Iterator<Item = Result<Token<'static>, Error>> {
[INFO] [stdout]    |                                                                                       +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `T` in this scope
[INFO] [stdout]   --> src/lib.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     T: Iterator<Item = char>,
[INFO] [stdout]    |     ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0106]: missing lifetime specifier
[INFO] [stdout]   --> src/lib.rs:90:82
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub fn lex(input: impl IntoIterator<Item = char>) -> impl Iterator<Item = Result<Token, Error>> {
[INFO] [stdout]    |                                                                                  ^^^^^ expected named lifetime parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: this function's return type contains a borrowed value, but there is no value for it to be borrowed from
[INFO] [stdout] help: consider using the `'static` lifetime, but this is uncommon unless you're returning a borrowed value from a `const` or a `static`, or if you will only have owned values
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub fn lex(input: impl IntoIterator<Item = char>) -> impl Iterator<Item = Result<Token<'static>, Error>> {
[INFO] [stdout]    |                                                                                       +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `T` in this scope
[INFO] [stdout]   --> src/lib.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     T: Iterator<Item = char>,
[INFO] [stdout]    |     ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:91:16
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub fn lex(input: impl IntoIterator<Item = char>) -> impl Iterator<Item = Result<Token, Error>> {
[INFO] [stdout]    |                   ------------------------------ found this type parameter
[INFO] [stdout] 91 |     Lexer::new(input)
[INFO] [stdout]    |     ---------- ^^^^^ expected `&str`, found type parameter `impl IntoIterator<Item = char>`
[INFO] [stdout]    |     |
[INFO] [stdout]    |     arguments to this function are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected reference `&str`
[INFO] [stdout]            found type parameter `impl IntoIterator<Item = char>`
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]   --> src/lib.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn new(input: &'a str) -> Self {
[INFO] [stdout]    |            ^^^ --------------
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:71:32
[INFO] [stdout]    |
[INFO] [stdout] 71 |             '(' => return Some(Ok(Token::LeftParen)),
[INFO] [stdout]    |                           ---- ^^^^^^^^^^^^^^^^^^^^ expected `char`, found `Result<Token<'_>, _>`
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           arguments to this enum variant are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected type `char`
[INFO] [stdout]               found enum `Result<Token<'_>, _>`
[INFO] [stdout] help: the type constructed contains `Result<Token<'_>, _>` due to the type of the argument passed
[INFO] [stdout]   --> src/lib.rs:71:27
[INFO] [stdout]    |
[INFO] [stdout] 71 |             '(' => return Some(Ok(Token::LeftParen)),
[INFO] [stdout]    |                           ^^^^^--------------------^
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                this argument influences the type of `Some`
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]   --> /rustc/802c9b5f98c16ec9d24cdfd517f740f1f3df0e29/library/core/src/option.rs:580:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:91:16
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub fn lex(input: impl IntoIterator<Item = char>) -> impl Iterator<Item = Result<Token, Error>> {
[INFO] [stdout]    |                   ------------------------------ found this type parameter
[INFO] [stdout] 91 |     Lexer::new(input)
[INFO] [stdout]    |     ---------- ^^^^^ expected `&str`, found type parameter `impl IntoIterator<Item = char>`
[INFO] [stdout]    |     |
[INFO] [stdout]    |     arguments to this function are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected reference `&str`
[INFO] [stdout]            found type parameter `impl IntoIterator<Item = char>`
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]   --> src/lib.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn new(input: &'a str) -> Self {
[INFO] [stdout]    |            ^^^ --------------
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:72:32
[INFO] [stdout]    |
[INFO] [stdout] 72 |             ')' => return Some(Ok(Token::RightParen)),
[INFO] [stdout]    |                           ---- ^^^^^^^^^^^^^^^^^^^^^ expected `char`, found `Result<Token<'_>, _>`
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           arguments to this enum variant are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected type `char`
[INFO] [stdout]               found enum `Result<Token<'_>, _>`
[INFO] [stdout] help: the type constructed contains `Result<Token<'_>, _>` due to the type of the argument passed
[INFO] [stdout]   --> src/lib.rs:72:27
[INFO] [stdout]    |
[INFO] [stdout] 72 |             ')' => return Some(Ok(Token::RightParen)),
[INFO] [stdout]    |                           ^^^^^---------------------^
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                this argument influences the type of `Some`
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]   --> /rustc/802c9b5f98c16ec9d24cdfd517f740f1f3df0e29/library/core/src/option.rs:580:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:73:32
[INFO] [stdout]    |
[INFO] [stdout] 73 |             '{' => return Some(Ok(Token::LeftBrace)),
[INFO] [stdout]    |                           ---- ^^^^^^^^^^^^^^^^^^^^ expected `char`, found `Result<Token<'_>, _>`
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           arguments to this enum variant are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected type `char`
[INFO] [stdout]               found enum `Result<Token<'_>, _>`
[INFO] [stdout] help: the type constructed contains `Result<Token<'_>, _>` due to the type of the argument passed
[INFO] [stdout]   --> src/lib.rs:73:27
[INFO] [stdout]    |
[INFO] [stdout] 73 |             '{' => return Some(Ok(Token::LeftBrace)),
[INFO] [stdout]    |                           ^^^^^--------------------^
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                this argument influences the type of `Some`
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]   --> /rustc/802c9b5f98c16ec9d24cdfd517f740f1f3df0e29/library/core/src/option.rs:580:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:74:32
[INFO] [stdout]    |
[INFO] [stdout] 74 |             '}' => return Some(Ok(Token::RightBrace)),
[INFO] [stdout]    |                           ---- ^^^^^^^^^^^^^^^^^^^^^ expected `char`, found `Result<Token<'_>, _>`
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           arguments to this enum variant are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected type `char`
[INFO] [stdout]               found enum `Result<Token<'_>, _>`
[INFO] [stdout] help: the type constructed contains `Result<Token<'_>, _>` due to the type of the argument passed
[INFO] [stdout]   --> src/lib.rs:74:27
[INFO] [stdout]    |
[INFO] [stdout] 74 |             '}' => return Some(Ok(Token::RightBrace)),
[INFO] [stdout]    |                           ^^^^^---------------------^
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                this argument influences the type of `Some`
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]   --> /rustc/802c9b5f98c16ec9d24cdfd517f740f1f3df0e29/library/core/src/option.rs:580:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:75:32
[INFO] [stdout]    |
[INFO] [stdout] 75 |             ',' => return Some(Ok(Token::COMMA)),
[INFO] [stdout]    |                           ---- ^^^^^^^^^^^^^^^^ expected `char`, found `Result<Token<'_>, _>`
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           arguments to this enum variant are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected type `char`
[INFO] [stdout]               found enum `Result<Token<'_>, _>`
[INFO] [stdout] help: the type constructed contains `Result<Token<'_>, _>` due to the type of the argument passed
[INFO] [stdout]   --> src/lib.rs:75:27
[INFO] [stdout]    |
[INFO] [stdout] 75 |             ',' => return Some(Ok(Token::COMMA)),
[INFO] [stdout]    |                           ^^^^^----------------^
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                this argument influences the type of `Some`
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]   --> /rustc/802c9b5f98c16ec9d24cdfd517f740f1f3df0e29/library/core/src/option.rs:580:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:76:32
[INFO] [stdout]    |
[INFO] [stdout] 76 |             '-' => return Some(Ok(Token::MINUS)),
[INFO] [stdout]    |                           ---- ^^^^^^^^^^^^^^^^ expected `char`, found `Result<Token<'_>, _>`
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           arguments to this enum variant are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected type `char`
[INFO] [stdout]               found enum `Result<Token<'_>, _>`
[INFO] [stdout] help: the type constructed contains `Result<Token<'_>, _>` due to the type of the argument passed
[INFO] [stdout]   --> src/lib.rs:76:27
[INFO] [stdout]    |
[INFO] [stdout] 76 |             '-' => return Some(Ok(Token::MINUS)),
[INFO] [stdout]    |                           ^^^^^----------------^
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                this argument influences the type of `Some`
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]   --> /rustc/802c9b5f98c16ec9d24cdfd517f740f1f3df0e29/library/core/src/option.rs:580:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:77:32
[INFO] [stdout]    |
[INFO] [stdout] 77 |             '.' => return Some(Ok(Token::DOT)),
[INFO] [stdout]    |                           ---- ^^^^^^^^^^^^^^ expected `char`, found `Result<Token<'_>, _>`
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           arguments to this enum variant are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected type `char`
[INFO] [stdout]               found enum `Result<Token<'_>, _>`
[INFO] [stdout] help: the type constructed contains `Result<Token<'_>, _>` due to the type of the argument passed
[INFO] [stdout]   --> src/lib.rs:77:27
[INFO] [stdout]    |
[INFO] [stdout] 77 |             '.' => return Some(Ok(Token::DOT)),
[INFO] [stdout]    |                           ^^^^^--------------^
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                this argument influences the type of `Some`
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]   --> /rustc/802c9b5f98c16ec9d24cdfd517f740f1f3df0e29/library/core/src/option.rs:580:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:78:32
[INFO] [stdout]    |
[INFO] [stdout] 78 |             '+' => return Some(Ok(Token::PLUS)),
[INFO] [stdout]    |                           ---- ^^^^^^^^^^^^^^^ expected `char`, found `Result<Token<'_>, _>`
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           arguments to this enum variant are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected type `char`
[INFO] [stdout]               found enum `Result<Token<'_>, _>`
[INFO] [stdout] help: the type constructed contains `Result<Token<'_>, _>` due to the type of the argument passed
[INFO] [stdout]   --> src/lib.rs:78:27
[INFO] [stdout]    |
[INFO] [stdout] 78 |             '+' => return Some(Ok(Token::PLUS)),
[INFO] [stdout]    |                           ^^^^^---------------^
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                this argument influences the type of `Some`
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]   --> /rustc/802c9b5f98c16ec9d24cdfd517f740f1f3df0e29/library/core/src/option.rs:580:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:79:32
[INFO] [stdout]    |
[INFO] [stdout] 79 |             ';' => return Some(Ok(Token::SEMICOLON)),
[INFO] [stdout]    |                           ---- ^^^^^^^^^^^^^^^^^^^^ expected `char`, found `Result<Token<'_>, _>`
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           arguments to this enum variant are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected type `char`
[INFO] [stdout]               found enum `Result<Token<'_>, _>`
[INFO] [stdout] help: the type constructed contains `Result<Token<'_>, _>` due to the type of the argument passed
[INFO] [stdout]   --> src/lib.rs:79:27
[INFO] [stdout]    |
[INFO] [stdout] 79 |             ';' => return Some(Ok(Token::SEMICOLON)),
[INFO] [stdout]    |                           ^^^^^--------------------^
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                this argument influences the type of `Some`
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]   --> /rustc/802c9b5f98c16ec9d24cdfd517f740f1f3df0e29/library/core/src/option.rs:580:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:80:32
[INFO] [stdout]    |
[INFO] [stdout] 80 |             '*' => return Some(Ok(Token::STAR)),
[INFO] [stdout]    |                           ---- ^^^^^^^^^^^^^^^ expected `char`, found `Result<Token<'_>, _>`
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           arguments to this enum variant are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected type `char`
[INFO] [stdout]               found enum `Result<Token<'_>, _>`
[INFO] [stdout] help: the type constructed contains `Result<Token<'_>, _>` due to the type of the argument passed
[INFO] [stdout]   --> src/lib.rs:80:27
[INFO] [stdout]    |
[INFO] [stdout] 80 |             '*' => return Some(Ok(Token::STAR)),
[INFO] [stdout]    |                           ^^^^^---------------^
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                this argument influences the type of `Some`
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]   --> /rustc/802c9b5f98c16ec9d24cdfd517f740f1f3df0e29/library/core/src/option.rs:580:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:71:32
[INFO] [stdout]    |
[INFO] [stdout] 71 |             '(' => return Some(Ok(Token::LeftParen)),
[INFO] [stdout]    |                           ---- ^^^^^^^^^^^^^^^^^^^^ expected `char`, found `Result<Token<'_>, _>`
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           arguments to this enum variant are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected type `char`
[INFO] [stdout]               found enum `Result<Token<'_>, _>`
[INFO] [stdout] help: the type constructed contains `Result<Token<'_>, _>` due to the type of the argument passed
[INFO] [stdout]   --> src/lib.rs:71:27
[INFO] [stdout]    |
[INFO] [stdout] 71 |             '(' => return Some(Ok(Token::LeftParen)),
[INFO] [stdout]    |                           ^^^^^--------------------^
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                this argument influences the type of `Some`
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]   --> /rustc/802c9b5f98c16ec9d24cdfd517f740f1f3df0e29/library/core/src/option.rs:580:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:72:32
[INFO] [stdout]    |
[INFO] [stdout] 72 |             ')' => return Some(Ok(Token::RightParen)),
[INFO] [stdout]    |                           ---- ^^^^^^^^^^^^^^^^^^^^^ expected `char`, found `Result<Token<'_>, _>`
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           arguments to this enum variant are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected type `char`
[INFO] [stdout]               found enum `Result<Token<'_>, _>`
[INFO] [stdout] help: the type constructed contains `Result<Token<'_>, _>` due to the type of the argument passed
[INFO] [stdout]   --> src/lib.rs:72:27
[INFO] [stdout]    |
[INFO] [stdout] 72 |             ')' => return Some(Ok(Token::RightParen)),
[INFO] [stdout]    |                           ^^^^^---------------------^
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                this argument influences the type of `Some`
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]   --> /rustc/802c9b5f98c16ec9d24cdfd517f740f1f3df0e29/library/core/src/option.rs:580:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:73:32
[INFO] [stdout]    |
[INFO] [stdout] 73 |             '{' => return Some(Ok(Token::LeftBrace)),
[INFO] [stdout]    |                           ---- ^^^^^^^^^^^^^^^^^^^^ expected `char`, found `Result<Token<'_>, _>`
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           arguments to this enum variant are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected type `char`
[INFO] [stdout]               found enum `Result<Token<'_>, _>`
[INFO] [stdout] help: the type constructed contains `Result<Token<'_>, _>` due to the type of the argument passed
[INFO] [stdout]   --> src/lib.rs:73:27
[INFO] [stdout]    |
[INFO] [stdout] 73 |             '{' => return Some(Ok(Token::LeftBrace)),
[INFO] [stdout]    |                           ^^^^^--------------------^
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                this argument influences the type of `Some`
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]   --> /rustc/802c9b5f98c16ec9d24cdfd517f740f1f3df0e29/library/core/src/option.rs:580:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:74:32
[INFO] [stdout]    |
[INFO] [stdout] 74 |             '}' => return Some(Ok(Token::RightBrace)),
[INFO] [stdout]    |                           ---- ^^^^^^^^^^^^^^^^^^^^^ expected `char`, found `Result<Token<'_>, _>`
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           arguments to this enum variant are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected type `char`
[INFO] [stdout]               found enum `Result<Token<'_>, _>`
[INFO] [stdout] help: the type constructed contains `Result<Token<'_>, _>` due to the type of the argument passed
[INFO] [stdout]   --> src/lib.rs:74:27
[INFO] [stdout]    |
[INFO] [stdout] 74 |             '}' => return Some(Ok(Token::RightBrace)),
[INFO] [stdout]    |                           ^^^^^---------------------^
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                this argument influences the type of `Some`
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]   --> /rustc/802c9b5f98c16ec9d24cdfd517f740f1f3df0e29/library/core/src/option.rs:580:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:75:32
[INFO] [stdout]    |
[INFO] [stdout] 75 |             ',' => return Some(Ok(Token::COMMA)),
[INFO] [stdout]    |                           ---- ^^^^^^^^^^^^^^^^ expected `char`, found `Result<Token<'_>, _>`
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           arguments to this enum variant are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected type `char`
[INFO] [stdout]               found enum `Result<Token<'_>, _>`
[INFO] [stdout] help: the type constructed contains `Result<Token<'_>, _>` due to the type of the argument passed
[INFO] [stdout]   --> src/lib.rs:75:27
[INFO] [stdout]    |
[INFO] [stdout] 75 |             ',' => return Some(Ok(Token::COMMA)),
[INFO] [stdout]    |                           ^^^^^----------------^
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                this argument influences the type of `Some`
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]   --> /rustc/802c9b5f98c16ec9d24cdfd517f740f1f3df0e29/library/core/src/option.rs:580:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:76:32
[INFO] [stdout]    |
[INFO] [stdout] 76 |             '-' => return Some(Ok(Token::MINUS)),
[INFO] [stdout]    |                           ---- ^^^^^^^^^^^^^^^^ expected `char`, found `Result<Token<'_>, _>`
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           arguments to this enum variant are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected type `char`
[INFO] [stdout]               found enum `Result<Token<'_>, _>`
[INFO] [stdout] help: the type constructed contains `Result<Token<'_>, _>` due to the type of the argument passed
[INFO] [stdout]   --> src/lib.rs:76:27
[INFO] [stdout]    |
[INFO] [stdout] 76 |             '-' => return Some(Ok(Token::MINUS)),
[INFO] [stdout]    |                           ^^^^^----------------^
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                this argument influences the type of `Some`
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]   --> /rustc/802c9b5f98c16ec9d24cdfd517f740f1f3df0e29/library/core/src/option.rs:580:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:77:32
[INFO] [stdout]    |
[INFO] [stdout] 77 |             '.' => return Some(Ok(Token::DOT)),
[INFO] [stdout]    |                           ---- ^^^^^^^^^^^^^^ expected `char`, found `Result<Token<'_>, _>`
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           arguments to this enum variant are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected type `char`
[INFO] [stdout]               found enum `Result<Token<'_>, _>`
[INFO] [stdout] help: the type constructed contains `Result<Token<'_>, _>` due to the type of the argument passed
[INFO] [stdout]   --> src/lib.rs:77:27
[INFO] [stdout]    |
[INFO] [stdout] 77 |             '.' => return Some(Ok(Token::DOT)),
[INFO] [stdout]    |                           ^^^^^--------------^
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                this argument influences the type of `Some`
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]   --> /rustc/802c9b5f98c16ec9d24cdfd517f740f1f3df0e29/library/core/src/option.rs:580:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:78:32
[INFO] [stdout]    |
[INFO] [stdout] 78 |             '+' => return Some(Ok(Token::PLUS)),
[INFO] [stdout]    |                           ---- ^^^^^^^^^^^^^^^ expected `char`, found `Result<Token<'_>, _>`
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           arguments to this enum variant are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected type `char`
[INFO] [stdout]               found enum `Result<Token<'_>, _>`
[INFO] [stdout] help: the type constructed contains `Result<Token<'_>, _>` due to the type of the argument passed
[INFO] [stdout]   --> src/lib.rs:78:27
[INFO] [stdout]    |
[INFO] [stdout] 78 |             '+' => return Some(Ok(Token::PLUS)),
[INFO] [stdout]    |                           ^^^^^---------------^
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                this argument influences the type of `Some`
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]   --> /rustc/802c9b5f98c16ec9d24cdfd517f740f1f3df0e29/library/core/src/option.rs:580:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:79:32
[INFO] [stdout]    |
[INFO] [stdout] 79 |             ';' => return Some(Ok(Token::SEMICOLON)),
[INFO] [stdout]    |                           ---- ^^^^^^^^^^^^^^^^^^^^ expected `char`, found `Result<Token<'_>, _>`
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           arguments to this enum variant are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected type `char`
[INFO] [stdout]               found enum `Result<Token<'_>, _>`
[INFO] [stdout] help: the type constructed contains `Result<Token<'_>, _>` due to the type of the argument passed
[INFO] [stdout]   --> src/lib.rs:79:27
[INFO] [stdout]    |
[INFO] [stdout] 79 |             ';' => return Some(Ok(Token::SEMICOLON)),
[INFO] [stdout]    |                           ^^^^^--------------------^
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                this argument influences the type of `Some`
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]   --> /rustc/802c9b5f98c16ec9d24cdfd517f740f1f3df0e29/library/core/src/option.rs:580:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:80:32
[INFO] [stdout]    |
[INFO] [stdout] 80 |             '*' => return Some(Ok(Token::STAR)),
[INFO] [stdout]    |                           ---- ^^^^^^^^^^^^^^^ expected `char`, found `Result<Token<'_>, _>`
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           arguments to this enum variant are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected type `char`
[INFO] [stdout]               found enum `Result<Token<'_>, _>`
[INFO] [stdout] help: the type constructed contains `Result<Token<'_>, _>` due to the type of the argument passed
[INFO] [stdout]   --> src/lib.rs:80:27
[INFO] [stdout]    |
[INFO] [stdout] 80 |             '*' => return Some(Ok(Token::STAR)),
[INFO] [stdout]    |                           ^^^^^---------------^
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                this argument influences the type of `Some`
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]   --> /rustc/802c9b5f98c16ec9d24cdfd517f740f1f3df0e29/library/core/src/option.rs:580:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0106, E0308, E0412.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0106`.
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0106, E0308, E0412.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0106`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lox` (lib) due to 13 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `lox` (lib test) due to 13 previous errors
[INFO] running `Command { std: "docker" "inspect" "aa06d7565e409bcdfd10ff9860f6fb08c5071b95d68a333856dd7cf1a0ba0bf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa06d7565e409bcdfd10ff9860f6fb08c5071b95d68a333856dd7cf1a0ba0bf2", kill_on_drop: false }`
[INFO] [stdout] aa06d7565e409bcdfd10ff9860f6fb08c5071b95d68a333856dd7cf1a0ba0bf2