[INFO] cloning repository https://github.com/ducks/rox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ducks/rox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fducks%2Frox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fducks%2Frox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d903f913ca746ffeba40f9ce4ca72378b29d606d
[INFO] checking ducks/rox against master#cfbc6d4cf1acbac5c025acf8ed68929caa551df3 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fducks%2Frox" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ducks/rox on toolchain cfbc6d4cf1acbac5c025acf8ed68929caa551df3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ducks/rox
[INFO] finished tweaking git repo https://github.com/ducks/rox
[INFO] tweaked toml for git repo https://github.com/ducks/rox written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/ducks/rox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff54e65a249afa5e3fb4987476e3ee1b72631d899a71909809c32b0fe24313af
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ff54e65a249afa5e3fb4987476e3ee1b72631d899a71909809c32b0fe24313af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff54e65a249afa5e3fb4987476e3ee1b72631d899a71909809c32b0fe24313af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff54e65a249afa5e3fb4987476e3ee1b72631d899a71909809c32b0fe24313af", kill_on_drop: false }`
[INFO] [stdout] ff54e65a249afa5e3fb4987476e3ee1b72631d899a71909809c32b0fe24313af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1bf2abd66d6884a8f07fcad96f6694e0e4ccbd6c55cf30c76e118bf6329d300b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1bf2abd66d6884a8f07fcad96f6694e0e4ccbd6c55cf30c76e118bf6329d300b", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling structopt-derive v0.4.6
[INFO] [stderr]     Checking structopt v0.3.13
[INFO] [stderr]     Checking rox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `LEFT_PAREN` should have an upper camel case name
[INFO] [stdout]   --> src/rox/token.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     LEFT_PAREN, RIGHT_PAREN, LEFT_BRACE, RIGHT_BRACE,
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `LeftParen`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `RIGHT_PAREN` should have an upper camel case name
[INFO] [stdout]   --> src/rox/token.rs:20:17
[INFO] [stdout]    |
[INFO] [stdout] 20 |     LEFT_PAREN, RIGHT_PAREN, LEFT_BRACE, RIGHT_BRACE,
[INFO] [stdout]    |                 ^^^^^^^^^^^ help: convert the identifier to upper camel case: `RightParen`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `LEFT_BRACE` should have an upper camel case name
[INFO] [stdout]   --> src/rox/token.rs:20:30
[INFO] [stdout]    |
[INFO] [stdout] 20 |     LEFT_PAREN, RIGHT_PAREN, LEFT_BRACE, RIGHT_BRACE,
[INFO] [stdout]    |                              ^^^^^^^^^^ help: convert the identifier to upper camel case: `LeftBrace`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `RIGHT_BRACE` should have an upper camel case name
[INFO] [stdout]   --> src/rox/token.rs:20:42
[INFO] [stdout]    |
[INFO] [stdout] 20 |     LEFT_PAREN, RIGHT_PAREN, LEFT_BRACE, RIGHT_BRACE,
[INFO] [stdout]    |                                          ^^^^^^^^^^^ help: convert the identifier to upper camel case: `RightBrace`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `BANG_EQUAL` should have an upper camel case name
[INFO] [stdout]   --> src/rox/token.rs:24:11
[INFO] [stdout]    |
[INFO] [stdout] 24 |     BANG, BANG_EQUAL,                                
[INFO] [stdout]    |           ^^^^^^^^^^ help: convert the identifier to upper camel case: `BangEqual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `EQUAL_EQUAL` should have an upper camel case name
[INFO] [stdout]   --> src/rox/token.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     EQUAL, EQUAL_EQUAL,                              
[INFO] [stdout]    |            ^^^^^^^^^^^ help: convert the identifier to upper camel case: `EqualEqual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `GREATER_EQUAL` should have an upper camel case name
[INFO] [stdout]   --> src/rox/token.rs:26:14
[INFO] [stdout]    |
[INFO] [stdout] 26 |     GREATER, GREATER_EQUAL,                          
[INFO] [stdout]    |              ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `GreaterEqual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `LESS_EQUAL` should have an upper camel case name
[INFO] [stdout]   --> src/rox/token.rs:27:11
[INFO] [stdout]    |
[INFO] [stdout] 27 |     LESS, LESS_EQUAL,                                
[INFO] [stdout]    |           ^^^^^^^^^^ help: convert the identifier to upper camel case: `LessEqual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `token::Token`
[INFO] [stdout]   --> src/rox.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use token::Token;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `LEFT_PAREN` should have an upper camel case name
[INFO] [stdout]   --> src/rox/token.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     LEFT_PAREN, RIGHT_PAREN, LEFT_BRACE, RIGHT_BRACE,
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `LeftParen`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `RIGHT_PAREN` should have an upper camel case name
[INFO] [stdout]   --> src/rox/token.rs:20:17
[INFO] [stdout]    |
[INFO] [stdout] 20 |     LEFT_PAREN, RIGHT_PAREN, LEFT_BRACE, RIGHT_BRACE,
[INFO] [stdout]    |                 ^^^^^^^^^^^ help: convert the identifier to upper camel case: `RightParen`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `LEFT_BRACE` should have an upper camel case name
[INFO] [stdout]   --> src/rox/token.rs:20:30
[INFO] [stdout]    |
[INFO] [stdout] 20 |     LEFT_PAREN, RIGHT_PAREN, LEFT_BRACE, RIGHT_BRACE,
[INFO] [stdout]    |                              ^^^^^^^^^^ help: convert the identifier to upper camel case: `LeftBrace`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `RIGHT_BRACE` should have an upper camel case name
[INFO] [stdout]   --> src/rox/token.rs:20:42
[INFO] [stdout]    |
[INFO] [stdout] 20 |     LEFT_PAREN, RIGHT_PAREN, LEFT_BRACE, RIGHT_BRACE,
[INFO] [stdout]    |                                          ^^^^^^^^^^^ help: convert the identifier to upper camel case: `RightBrace`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `BANG_EQUAL` should have an upper camel case name
[INFO] [stdout]   --> src/rox/token.rs:24:11
[INFO] [stdout]    |
[INFO] [stdout] 24 |     BANG, BANG_EQUAL,                                
[INFO] [stdout]    |           ^^^^^^^^^^ help: convert the identifier to upper camel case: `BangEqual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `EQUAL_EQUAL` should have an upper camel case name
[INFO] [stdout]   --> src/rox/token.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     EQUAL, EQUAL_EQUAL,                              
[INFO] [stdout]    |            ^^^^^^^^^^^ help: convert the identifier to upper camel case: `EqualEqual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `GREATER_EQUAL` should have an upper camel case name
[INFO] [stdout]   --> src/rox/token.rs:26:14
[INFO] [stdout]    |
[INFO] [stdout] 26 |     GREATER, GREATER_EQUAL,                          
[INFO] [stdout]    |              ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `GreaterEqual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `LESS_EQUAL` should have an upper camel case name
[INFO] [stdout]   --> src/rox/token.rs:27:11
[INFO] [stdout]    |
[INFO] [stdout] 27 |     LESS, LESS_EQUAL,                                
[INFO] [stdout]    |           ^^^^^^^^^^ help: convert the identifier to upper camel case: `LessEqual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `token::Token`
[INFO] [stdout]   --> src/rox.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use token::Token;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]   --> src/rox.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |             Rox::run(&contents);
[INFO] [stdout]    |             ^^^^^^^^ cannot infer type for type parameter `T` declared on the associated function `run`
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub fn run<T: std::default::Default>(contents: &String) {
[INFO] [stdout]    |                   --------------------- required by this bound in `rox::Rox::run`
[INFO] [stdout]    |
[INFO] [stdout]    = note: cannot satisfy `_: std::default::Default`
[INFO] [stdout] help: consider specifying the type argument in the function call
[INFO] [stdout]    |
[INFO] [stdout] 33 |             Rox::run::<T>(&contents);
[INFO] [stdout]    |                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/rox.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 41 | /         loop {
[INFO] [stdout] 42 | |             print!("> ");
[INFO] [stdout] 43 | |             let stdin = io::stdin();
[INFO] [stdout] 44 | |             io::stdout().flush();
[INFO] [stdout] 45 | |             stdin.read_line(&mut input)?;
[INFO] [stdout] 46 | |             Rox::run(&input);
[INFO] [stdout] 47 | |         }
[INFO] [stdout]    | |_________- any code following this expression is unreachable
[INFO] [stdout] 48 | 
[INFO] [stdout] 49 |           Ok(())
[INFO] [stdout]    |           ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]   --> src/rox.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |             Rox::run(&input);
[INFO] [stdout]    |             ^^^^^^^^ cannot infer type for type parameter `T` declared on the associated function `run`
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub fn run<T: std::default::Default>(contents: &String) {
[INFO] [stdout]    |                   --------------------- required by this bound in `rox::Rox::run`
[INFO] [stdout]    |
[INFO] [stdout]    = note: cannot satisfy `_: std::default::Default`
[INFO] [stdout] help: consider specifying the type argument in the function call
[INFO] [stdout]    |
[INFO] [stdout] 46 |             Rox::run::<T>(&input);
[INFO] [stdout]    |                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]   --> src/rox.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |             Rox::run(&contents);
[INFO] [stdout]    |             ^^^^^^^^ cannot infer type for type parameter `T` declared on the associated function `run`
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub fn run<T: std::default::Default>(contents: &String) {
[INFO] [stdout]    |                   --------------------- required by this bound in `rox::Rox::run`
[INFO] [stdout]    |
[INFO] [stdout]    = note: cannot satisfy `_: std::default::Default`
[INFO] [stdout] help: consider specifying the type argument in the function call
[INFO] [stdout]    |
[INFO] [stdout] 33 |             Rox::run::<T>(&contents);
[INFO] [stdout]    |                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/rox.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 41 | /         loop {
[INFO] [stdout] 42 | |             print!("> ");
[INFO] [stdout] 43 | |             let stdin = io::stdin();
[INFO] [stdout] 44 | |             io::stdout().flush();
[INFO] [stdout] 45 | |             stdin.read_line(&mut input)?;
[INFO] [stdout] 46 | |             Rox::run(&input);
[INFO] [stdout] 47 | |         }
[INFO] [stdout]    | |_________- any code following this expression is unreachable
[INFO] [stdout] 48 | 
[INFO] [stdout] 49 |           Ok(())
[INFO] [stdout]    |           ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]   --> src/rox.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |             Rox::run(&input);
[INFO] [stdout]    |             ^^^^^^^^ cannot infer type for type parameter `T` declared on the associated function `run`
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub fn run<T: std::default::Default>(contents: &String) {
[INFO] [stdout]    |                   --------------------- required by this bound in `rox::Rox::run`
[INFO] [stdout]    |
[INFO] [stdout]    = note: cannot satisfy `_: std::default::Default`
[INFO] [stdout] help: consider specifying the type argument in the function call
[INFO] [stdout]    |
[INFO] [stdout] 46 |             Rox::run::<T>(&input);
[INFO] [stdout]    |                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `[char]` cannot be known at compilation time
[INFO] [stdout]    --> src/rox/scanner.rs:136:13
[INFO] [stdout]     |
[INFO] [stdout] 136 |         let value = self.chars[
[INFO] [stdout]     |             ^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `std::marker::Sized` is not implemented for `[char]`
[INFO] [stdout]     = note: to learn more, visit <https://doc.rust-lang.org/book/ch19-04-advanced-types.html#dynamically-sized-types-and-the-sized-trait>
[INFO] [stdout]     = note: all local variables must have a statically known size
[INFO] [stdout]     = help: unsized locals are gated as an unstable feature
[INFO] [stdout] help: consider borrowing here
[INFO] [stdout]     |
[INFO] [stdout] 136 |         let value = &self.chars[
[INFO] [stdout] 137 |             self.start as usize + 1 ..self.current as usize - 1
[INFO] [stdout] 138 |         ];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `[char]` cannot be known at compilation time
[INFO] [stdout]    --> src/rox/scanner.rs:136:13
[INFO] [stdout]     |
[INFO] [stdout] 136 |         let value = self.chars[
[INFO] [stdout]     |             ^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `std::marker::Sized` is not implemented for `[char]`
[INFO] [stdout]     = note: to learn more, visit <https://doc.rust-lang.org/book/ch19-04-advanced-types.html#dynamically-sized-types-and-the-sized-trait>
[INFO] [stdout]     = note: all local variables must have a statically known size
[INFO] [stdout]     = help: unsized locals are gated as an unstable feature
[INFO] [stdout] help: consider borrowing here
[INFO] [stdout]     |
[INFO] [stdout] 136 |         let value = &self.chars[
[INFO] [stdout] 137 |             self.start as usize + 1 ..self.current as usize - 1
[INFO] [stdout] 138 |         ];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/rox/scanner.rs:139:37
[INFO] [stdout]     |
[INFO] [stdout] 20  | impl<T: std::default::Default> Scanner<T> {
[INFO] [stdout]     |      - this type parameter
[INFO] [stdout] ...
[INFO] [stdout] 139 |         self.add_token(STRING, Some(value));
[INFO] [stdout]     |                                     ^^^^^ expected type parameter `T`, found slice `[char]`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected type parameter `T`
[INFO] [stdout]                         found slice `[char]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/rox/scanner.rs:139:37
[INFO] [stdout]     |
[INFO] [stdout] 20  | impl<T: std::default::Default> Scanner<T> {
[INFO] [stdout]     |      - this type parameter
[INFO] [stdout] ...
[INFO] [stdout] 139 |         self.add_token(STRING, Some(value));
[INFO] [stdout]     |                                     ^^^^^ expected type parameter `T`, found slice `[char]`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected type parameter `T`
[INFO] [stdout]                         found slice `[char]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0283, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0283, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rox`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "1bf2abd66d6884a8f07fcad96f6694e0e4ccbd6c55cf30c76e118bf6329d300b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bf2abd66d6884a8f07fcad96f6694e0e4ccbd6c55cf30c76e118bf6329d300b", kill_on_drop: false }`
[INFO] [stdout] 1bf2abd66d6884a8f07fcad96f6694e0e4ccbd6c55cf30c76e118bf6329d300b
