[INFO] cloning repository https://github.com/faldez/rust-lox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/faldez/rust-lox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffaldez%2Frust-lox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffaldez%2Frust-lox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 78513892843a6d31fcb8225a7bcb2803e6f8ae77
[INFO] testing faldez/rust-lox against 1.69.0 for beta-1.70-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffaldez%2Frust-lox" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/faldez/rust-lox on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/faldez/rust-lox
[INFO] finished tweaking git repo https://github.com/faldez/rust-lox
[INFO] tweaked toml for git repo https://github.com/faldez/rust-lox written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/faldez/rust-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" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: lib.src
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:97d61d7686bf65f8ecb15491ab51835e82dc9176a96a831f143a431b191fc501" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 36acee78737bcf11f4f8973a2b8b23680078aa626e4e8af3ba871b9570a48440
[INFO] running `Command { std: "docker" "start" "-a" "36acee78737bcf11f4f8973a2b8b23680078aa626e4e8af3ba871b9570a48440", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36acee78737bcf11f4f8973a2b8b23680078aa626e4e8af3ba871b9570a48440", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36acee78737bcf11f4f8973a2b8b23680078aa626e4e8af3ba871b9570a48440", kill_on_drop: false }`
[INFO] [stdout] 36acee78737bcf11f4f8973a2b8b23680078aa626e4e8af3ba871b9570a48440
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:97d61d7686bf65f8ecb15491ab51835e82dc9176a96a831f143a431b191fc501" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86ae9eea607b44dbaf8f7a1f8f86d17d1f25408414f2919735df621efa924289
[INFO] running `Command { std: "docker" "start" "-a" "86ae9eea607b44dbaf8f7a1f8f86d17d1f25408414f2919735df621efa924289", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: lib.src
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling siphasher v0.3.5
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling phf_shared v0.9.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling phf_generator v0.9.0
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling phf_macros v0.9.0
[INFO] [stderr]    Compiling phf v0.9.0
[INFO] [stderr]    Compiling rust-lox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find value `c` in this scope
[INFO] [stdout]    --> src/scanner.rs:130:34
[INFO] [stdout]     |
[INFO] [stdout] 130 |                 if self.is_digit(c) {
[INFO] [stdout]     |                                  ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `c` in this scope
[INFO] [stdout]    --> src/scanner.rs:132:41
[INFO] [stdout]     |
[INFO] [stdout] 132 |                 } else if self.is_alpha(c) {
[INFO] [stdout]     |                                         ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `start` on type `&mut Scanner<'a>`
[INFO] [stdout]   --> src/scanner.rs:50:18
[INFO] [stdout]    |
[INFO] [stdout] 50 |             self.start = self.current;
[INFO] [stdout]    |                  ^^^^^ unknown field
[INFO] [stdout]    |
[INFO] [stdout]    = note: available fields are: `iter`, `ch`, `line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `current` on type `&mut Scanner<'a>`
[INFO] [stdout]   --> src/scanner.rs:50:31
[INFO] [stdout]    |
[INFO] [stdout] 50 |             self.start = self.current;
[INFO] [stdout]    |                               ^^^^^^^ unknown field
[INFO] [stdout]    |
[INFO] [stdout]    = note: available fields are: `iter`, `ch`, `line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `tokens` on type `&mut Scanner<'a>`
[INFO] [stdout]   --> src/scanner.rs:54:14
[INFO] [stdout]    |
[INFO] [stdout] 54 |         self.tokens
[INFO] [stdout]    |              ^^^^^^ unknown field
[INFO] [stdout]    |
[INFO] [stdout]    = note: available fields are: `iter`, `ch`, `line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 2 arguments but 4 arguments were supplied
[INFO] [stdout]   --> src/scanner.rs:55:19
[INFO] [stdout]    |
[INFO] [stdout] 55 |             .push(Token::new(TokenType::Eof, "".to_string(), None, self.line));
[INFO] [stdout]    |                   ^^^^^^^^^^                                 ----  --------- unexpected argument of type `usize`
[INFO] [stdout]    |                                                              |
[INFO] [stdout]    |                                                              unexpected argument of type `Option<_>`
[INFO] [stdout]    |
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]   --> src/token.rs:86:12
[INFO] [stdout]    |
[INFO] [stdout] 86 |     pub fn new(
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 87 |         token_type: TokenType,
[INFO] [stdout]    |         ---------------------
[INFO] [stdout] 88 |         lexeme: String,
[INFO] [stdout]    |         --------------
[INFO] [stdout] help: remove the extra arguments
[INFO] [stdout]    |
[INFO] [stdout] 55 -             .push(Token::new(TokenType::Eof, "".to_string(), None, self.line));
[INFO] [stdout] 55 +             .push(Token::new(TokenType::Eof, "".to_string()));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `tokens` on type `&mut Scanner<'a>`
[INFO] [stdout]   --> src/scanner.rs:56:14
[INFO] [stdout]    |
[INFO] [stdout] 56 |         self.tokens.clone()
[INFO] [stdout]    |              ^^^^^^ unknown field
[INFO] [stdout]    |
[INFO] [stdout]    = note: available fields are: `iter`, `ch`, `line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/scanner.rs:121:83
[INFO] [stdout]     |
[INFO] [stdout] 121 |                     Token::new_with_literal(TokenType::Comment, "//".to_string(), s)
[INFO] [stdout]     |                     -----------------------                                       ^ expected `Option<DataType>`, found `String`
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     arguments to this function are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected enum `Option<DataType>`
[INFO] [stdout]              found struct `String`
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]    --> src/token.rs:97:12
[INFO] [stdout]     |
[INFO] [stdout] 97  |     pub fn new_with_literal(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 100 |         literal: Option<DataType>,
[INFO] [stdout]     |         -------------------------
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/scanner.rs:126:34
[INFO] [stdout]     |
[INFO] [stdout] 126 |             ' ' | '\r' | '\t' => {}
[INFO] [stdout]     |                                  ^^ expected `Token`, found `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/scanner.rs:130:37
[INFO] [stdout]     |
[INFO] [stdout] 130 |                   if self.is_digit(c) {
[INFO] [stdout]     |  _____________________________________^
[INFO] [stdout] 131 | |                     self.number();
[INFO] [stdout] 132 | |                 } else if self.is_alpha(c) {
[INFO] [stdout]     | |_________________^ expected `Token`, found `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/scanner.rs:132:44
[INFO] [stdout]     |
[INFO] [stdout] 132 |                   } else if self.is_alpha(c) {
[INFO] [stdout]     |  ____________________________________________^
[INFO] [stdout] 133 | |                     self.identifier();
[INFO] [stdout] 134 | |                 } else {
[INFO] [stdout]     | |_________________^ expected `Token`, found `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/scanner.rs:134:24
[INFO] [stdout]     |
[INFO] [stdout] 134 |                   } else {
[INFO] [stdout]     |  ________________________^
[INFO] [stdout] 135 | |                     // TODO: Log error
[INFO] [stdout] 136 | |                 }
[INFO] [stdout]     | |_________________^ expected `Token`, found `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `source` on type `&mut Scanner<'a>`
[INFO] [stdout]    --> src/scanner.rs:146:27
[INFO] [stdout]     |
[INFO] [stdout] 146 |         let value = &self.source[self.start..self.current];
[INFO] [stdout]     |                           ^^^^^^ unknown field
[INFO] [stdout]     |
[INFO] [stdout]     = note: available fields are: `iter`, `ch`, `line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `start` on type `&mut Scanner<'a>`
[INFO] [stdout]    --> src/scanner.rs:146:39
[INFO] [stdout]     |
[INFO] [stdout] 146 |         let value = &self.source[self.start..self.current];
[INFO] [stdout]     |                                       ^^^^^ unknown field
[INFO] [stdout]     |
[INFO] [stdout]     = note: available fields are: `iter`, `ch`, `line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `current` on type `&mut Scanner<'a>`
[INFO] [stdout]    --> src/scanner.rs:146:51
[INFO] [stdout]     |
[INFO] [stdout] 146 |         let value = &self.source[self.start..self.current];
[INFO] [stdout]     |                                                   ^^^^^^^ unknown field
[INFO] [stdout]     |
[INFO] [stdout]     = note: available fields are: `iter`, `ch`, `line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `source` on type `&mut Scanner<'a>`
[INFO] [stdout]    --> src/scanner.rs:168:26
[INFO] [stdout]     |
[INFO] [stdout] 168 |         let value = self.source[self.start..self.current].to_string();
[INFO] [stdout]     |                          ^^^^^^ unknown field
[INFO] [stdout]     |
[INFO] [stdout]     = note: available fields are: `iter`, `ch`, `line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `start` on type `&mut Scanner<'a>`
[INFO] [stdout]    --> src/scanner.rs:168:38
[INFO] [stdout]     |
[INFO] [stdout] 168 |         let value = self.source[self.start..self.current].to_string();
[INFO] [stdout]     |                                      ^^^^^ unknown field
[INFO] [stdout]     |
[INFO] [stdout]     = note: available fields are: `iter`, `ch`, `line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `current` on type `&mut Scanner<'a>`
[INFO] [stdout]    --> src/scanner.rs:168:50
[INFO] [stdout]     |
[INFO] [stdout] 168 |         let value = self.source[self.start..self.current].to_string();
[INFO] [stdout]     |                                                  ^^^^^^^ unknown field
[INFO] [stdout]     |
[INFO] [stdout]     = note: available fields are: `iter`, `ch`, `line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `source` on type `&mut Scanner<'a>`
[INFO] [stdout]    --> src/scanner.rs:190:26
[INFO] [stdout]     |
[INFO] [stdout] 190 |         let value = self.source[self.start + 1..self.current + 1].to_string();
[INFO] [stdout]     |                          ^^^^^^ unknown field
[INFO] [stdout]     |
[INFO] [stdout]     = note: available fields are: `iter`, `ch`, `line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `start` on type `&mut Scanner<'a>`
[INFO] [stdout]    --> src/scanner.rs:190:38
[INFO] [stdout]     |
[INFO] [stdout] 190 |         let value = self.source[self.start + 1..self.current + 1].to_string();
[INFO] [stdout]     |                                      ^^^^^ unknown field
[INFO] [stdout]     |
[INFO] [stdout]     = note: available fields are: `iter`, `ch`, `line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `current` on type `&mut Scanner<'a>`
[INFO] [stdout]    --> src/scanner.rs:190:54
[INFO] [stdout]     |
[INFO] [stdout] 190 |         let value = self.source[self.start + 1..self.current + 1].to_string();
[INFO] [stdout]     |                                                      ^^^^^^^ unknown field
[INFO] [stdout]     |
[INFO] [stdout]     = note: available fields are: `iter`, `ch`, `line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `source` on type `&mut Scanner<'a>`
[INFO] [stdout]    --> src/scanner.rs:239:22
[INFO] [stdout]     |
[INFO] [stdout] 239 |         let c = self.source.chars().nth(self.current).unwrap();
[INFO] [stdout]     |                      ^^^^^^ unknown field
[INFO] [stdout]     |
[INFO] [stdout]     = note: available fields are: `iter`, `ch`, `line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `current` on type `&mut Scanner<'a>`
[INFO] [stdout]    --> src/scanner.rs:239:46
[INFO] [stdout]     |
[INFO] [stdout] 239 |         let c = self.source.chars().nth(self.current).unwrap();
[INFO] [stdout]     |                                              ^^^^^^^ unknown field
[INFO] [stdout]     |
[INFO] [stdout]     = note: available fields are: `iter`, `ch`, `line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `current` on type `&mut Scanner<'a>`
[INFO] [stdout]    --> src/scanner.rs:240:14
[INFO] [stdout]     |
[INFO] [stdout] 240 |         self.current += 1;
[INFO] [stdout]     |              ^^^^^^^ unknown field
[INFO] [stdout]     |
[INFO] [stdout]     = note: available fields are: `iter`, `ch`, `line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `source` on type `&mut Scanner<'a>`
[INFO] [stdout]    --> src/scanner.rs:249:25
[INFO] [stdout]     |
[INFO] [stdout] 249 |         let text = self.source[self.start..self.current].to_string();
[INFO] [stdout]     |                         ^^^^^^ unknown field
[INFO] [stdout]     |
[INFO] [stdout]     = note: available fields are: `iter`, `ch`, `line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `start` on type `&mut Scanner<'a>`
[INFO] [stdout]    --> src/scanner.rs:249:37
[INFO] [stdout]     |
[INFO] [stdout] 249 |         let text = self.source[self.start..self.current].to_string();
[INFO] [stdout]     |                                     ^^^^^ unknown field
[INFO] [stdout]     |
[INFO] [stdout]     = note: available fields are: `iter`, `ch`, `line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `current` on type `&mut Scanner<'a>`
[INFO] [stdout]    --> src/scanner.rs:249:49
[INFO] [stdout]     |
[INFO] [stdout] 249 |         let text = self.source[self.start..self.current].to_string();
[INFO] [stdout]     |                                                 ^^^^^^^ unknown field
[INFO] [stdout]     |
[INFO] [stdout]     = note: available fields are: `iter`, `ch`, `line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `tokens` on type `&mut Scanner<'a>`
[INFO] [stdout]    --> src/scanner.rs:250:14
[INFO] [stdout]     |
[INFO] [stdout] 250 |         self.tokens
[INFO] [stdout]     |              ^^^^^^ unknown field
[INFO] [stdout]     |
[INFO] [stdout]     = note: available fields are: `iter`, `ch`, `line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 2 arguments but 4 arguments were supplied
[INFO] [stdout]    --> src/scanner.rs:251:19
[INFO] [stdout]     |
[INFO] [stdout] 251 |             .push(Token::new(token_type, text, literal, self.line));
[INFO] [stdout]     |                   ^^^^^^^^^^                   -------  --------- unexpected argument of type `usize`
[INFO] [stdout]     |                                                |
[INFO] [stdout]     |                                                unexpected argument of type `Option<DataType>`
[INFO] [stdout]     |
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]    --> src/token.rs:86:12
[INFO] [stdout]     |
[INFO] [stdout] 86  |     pub fn new(
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 87  |         token_type: TokenType,
[INFO] [stdout]     |         ---------------------
[INFO] [stdout] 88  |         lexeme: String,
[INFO] [stdout]     |         --------------
[INFO] [stdout] help: remove the extra arguments
[INFO] [stdout]     |
[INFO] [stdout] 251 -             .push(Token::new(token_type, text, literal, self.line));
[INFO] [stdout] 251 +             .push(Token::new(token_type, text));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 29 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0061, E0308, E0425, E0609.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-lox` due to 30 previous errors
[INFO] running `Command { std: "docker" "inspect" "86ae9eea607b44dbaf8f7a1f8f86d17d1f25408414f2919735df621efa924289", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86ae9eea607b44dbaf8f7a1f8f86d17d1f25408414f2919735df621efa924289", kill_on_drop: false }`
[INFO] [stdout] 86ae9eea607b44dbaf8f7a1f8f86d17d1f25408414f2919735df621efa924289
