[INFO] updating cached repository Dendrimer/rlox
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Dendrimer/rlox
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Dendrimer/rlox" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/Dendrimer/rlox"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/Dendrimer/rlox'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Dendrimer/rlox" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/Dendrimer/rlox"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/Dendrimer/rlox'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 26a7d903a2d1ae239b3607bf1bcb42a040f6f2a4
[INFO] sha for GitHub repo Dendrimer/rlox: 26a7d903a2d1ae239b3607bf1bcb42a040f6f2a4
[INFO] validating manifest of Dendrimer/rlox on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Dendrimer/rlox on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Dendrimer/rlox
[INFO] finished frobbing Dendrimer/rlox
[INFO] frobbed toml for Dendrimer/rlox written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/Dendrimer/rlox/Cargo.toml
[INFO] started frobbing Dendrimer/rlox
[INFO] finished frobbing Dendrimer/rlox
[INFO] frobbed toml for Dendrimer/rlox written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/Dendrimer/rlox/Cargo.toml
[INFO] crate Dendrimer/rlox already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Dendrimer/rlox against try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-5/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/Dendrimer/rlox:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] fbe6d44acf1a7d8f1b65f19ac3e84f34da792a6cd50fbe2d01728372a6d035cf
[INFO] running `"docker" "start" "-a" "fbe6d44acf1a7d8f1b65f19ac3e84f34da792a6cd50fbe2d01728372a6d035cf"`
[INFO] [stderr]     Checking rlox v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/scanner.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/scanner.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `error`
[INFO] [stderr]  --> src/errors.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn error(line: i32, message: &str) -> bool {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `report`
[INFO] [stderr]  --> src/errors.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | fn report(line: i32, error: &str, message: &str) {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Scanner`
[INFO] [stderr]  --> src/scanner.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct Scanner {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LeftParen`
[INFO] [stderr]  --> src/tokens.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     LeftParen,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RightParen`
[INFO] [stderr]  --> src/tokens.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     RightParen,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LeftBrace`
[INFO] [stderr]  --> src/tokens.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     LeftBrace,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RightBrace`
[INFO] [stderr]  --> src/tokens.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     RightBrace,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Comma`
[INFO] [stderr]   --> src/tokens.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     Comma,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Dot`
[INFO] [stderr]   --> src/tokens.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     Dot,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Minus`
[INFO] [stderr]   --> src/tokens.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     Minus,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Plus`
[INFO] [stderr]   --> src/tokens.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Plus,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Semicolon`
[INFO] [stderr]   --> src/tokens.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     Semicolon,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Slash`
[INFO] [stderr]   --> src/tokens.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     Slash,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Star`
[INFO] [stderr]   --> src/tokens.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     Star,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Bang`
[INFO] [stderr]   --> src/tokens.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     Bang,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BangEqual`
[INFO] [stderr]   --> src/tokens.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     BangEqual,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Equal`
[INFO] [stderr]   --> src/tokens.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     Equal,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `EqualEqual`
[INFO] [stderr]   --> src/tokens.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     EqualEqual,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Greater`
[INFO] [stderr]   --> src/tokens.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     Greater,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `GreaterEqual`
[INFO] [stderr]   --> src/tokens.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     GreaterEqual,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Less`
[INFO] [stderr]   --> src/tokens.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     Less,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LessEqual`
[INFO] [stderr]   --> src/tokens.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     LessEqual,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Identifier`
[INFO] [stderr]   --> src/tokens.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     Identifier(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Str`
[INFO] [stderr]   --> src/tokens.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     Str(String),
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Number`
[INFO] [stderr]   --> src/tokens.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     Number,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `And`
[INFO] [stderr]   --> src/tokens.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     And,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Class`
[INFO] [stderr]   --> src/tokens.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     Class,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Else`
[INFO] [stderr]   --> src/tokens.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     Else,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `False`
[INFO] [stderr]   --> src/tokens.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     False,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Func`
[INFO] [stderr]   --> src/tokens.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     Func,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `For`
[INFO] [stderr]   --> src/tokens.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     For,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `If`
[INFO] [stderr]   --> src/tokens.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     If,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Nil`
[INFO] [stderr]   --> src/tokens.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     Nil,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Or`
[INFO] [stderr]   --> src/tokens.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     Or,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Print`
[INFO] [stderr]   --> src/tokens.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     Print,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Return`
[INFO] [stderr]   --> src/tokens.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     Return,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Super`
[INFO] [stderr]   --> src/tokens.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     Super,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `This`
[INFO] [stderr]   --> src/tokens.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     This,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `True`
[INFO] [stderr]   --> src/tokens.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     True,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Var`
[INFO] [stderr]   --> src/tokens.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     Var,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `While`
[INFO] [stderr]   --> src/tokens.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     While,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Eof`
[INFO] [stderr]   --> src/tokens.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     Eof,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_string`
[INFO] [stderr]    --> src/tokens.rs:108:5
[INFO] [stderr]     |
[INFO] [stderr] 108 |     pub fn to_string(&self) -> String {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `error`
[INFO] [stderr]  --> src/errors.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn error(line: i32, message: &str) -> bool {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `report`
[INFO] [stderr]  --> src/errors.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | fn report(line: i32, error: &str, message: &str) {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Scanner`
[INFO] [stderr]  --> src/scanner.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct Scanner {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LeftParen`
[INFO] [stderr]  --> src/tokens.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     LeftParen,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RightParen`
[INFO] [stderr]  --> src/tokens.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     RightParen,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LeftBrace`
[INFO] [stderr]  --> src/tokens.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     LeftBrace,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RightBrace`
[INFO] [stderr]  --> src/tokens.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     RightBrace,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Comma`
[INFO] [stderr]   --> src/tokens.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     Comma,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Dot`
[INFO] [stderr]   --> src/tokens.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     Dot,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Minus`
[INFO] [stderr]   --> src/tokens.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     Minus,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Plus`
[INFO] [stderr]   --> src/tokens.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Plus,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Semicolon`
[INFO] [stderr]   --> src/tokens.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     Semicolon,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Slash`
[INFO] [stderr]   --> src/tokens.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     Slash,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Star`
[INFO] [stderr]   --> src/tokens.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     Star,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Bang`
[INFO] [stderr]   --> src/tokens.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     Bang,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BangEqual`
[INFO] [stderr]   --> src/tokens.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     BangEqual,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Equal`
[INFO] [stderr]   --> src/tokens.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     Equal,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `EqualEqual`
[INFO] [stderr]   --> src/tokens.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     EqualEqual,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Greater`
[INFO] [stderr]   --> src/tokens.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     Greater,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `GreaterEqual`
[INFO] [stderr]   --> src/tokens.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     GreaterEqual,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Less`
[INFO] [stderr]   --> src/tokens.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     Less,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LessEqual`
[INFO] [stderr]   --> src/tokens.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     LessEqual,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Identifier`
[INFO] [stderr]   --> src/tokens.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     Identifier(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Str`
[INFO] [stderr]   --> src/tokens.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     Str(String),
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Number`
[INFO] [stderr]   --> src/tokens.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     Number,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `And`
[INFO] [stderr]   --> src/tokens.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     And,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Class`
[INFO] [stderr]   --> src/tokens.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     Class,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Else`
[INFO] [stderr]   --> src/tokens.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     Else,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `False`
[INFO] [stderr]   --> src/tokens.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     False,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Func`
[INFO] [stderr]   --> src/tokens.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     Func,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `For`
[INFO] [stderr]   --> src/tokens.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     For,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `If`
[INFO] [stderr]   --> src/tokens.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     If,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Nil`
[INFO] [stderr]   --> src/tokens.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     Nil,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Or`
[INFO] [stderr]   --> src/tokens.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     Or,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Print`
[INFO] [stderr]   --> src/tokens.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     Print,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Return`
[INFO] [stderr]   --> src/tokens.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     Return,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Super`
[INFO] [stderr]   --> src/tokens.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     Super,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `This`
[INFO] [stderr]   --> src/tokens.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     This,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `True`
[INFO] [stderr]   --> src/tokens.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     True,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Var`
[INFO] [stderr]   --> src/tokens.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     Var,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `While`
[INFO] [stderr]   --> src/tokens.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     While,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Eof`
[INFO] [stderr]   --> src/tokens.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     Eof,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_string`
[INFO] [stderr]    --> src/tokens.rs:108:5
[INFO] [stderr]     |
[INFO] [stderr] 108 |     pub fn to_string(&self) -> String {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `"docker" "inspect" "fbe6d44acf1a7d8f1b65f19ac3e84f34da792a6cd50fbe2d01728372a6d035cf"`
[INFO] running `"docker" "rm" "-f" "fbe6d44acf1a7d8f1b65f19ac3e84f34da792a6cd50fbe2d01728372a6d035cf"`
[INFO] [stdout] fbe6d44acf1a7d8f1b65f19ac3e84f34da792a6cd50fbe2d01728372a6d035cf