[INFO] cloning repository https://github.com/Geez14/jesper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Geez14/jesper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGeez14%2Fjesper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGeez14%2Fjesper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9cf0a2d72aae1b29224a9b64e6ceee40b6b21597
[INFO] checking Geez14/jesper against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGeez14%2Fjesper" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Geez14/jesper
[INFO] finished tweaking git repo https://github.com/Geez14/jesper
[INFO] tweaked toml for git repo https://github.com/Geez14/jesper written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Geez14/jesper on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Geez14/jesper 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c8997bf9b505808fec4988fe5c843a9286673b034c62c3b16abd2a7e4e9c4b53
[INFO] running `Command { std: "docker" "start" "-a" "c8997bf9b505808fec4988fe5c843a9286673b034c62c3b16abd2a7e4e9c4b53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8997bf9b505808fec4988fe5c843a9286673b034c62c3b16abd2a7e4e9c4b53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8997bf9b505808fec4988fe5c843a9286673b034c62c3b16abd2a7e4e9c4b53", kill_on_drop: false }`
[INFO] [stdout] c8997bf9b505808fec4988fe5c843a9286673b034c62c3b16abd2a7e4e9c4b53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33d0e837e8acaea1518ff69f5aeeacbca47f0dcf619ffeda4f71d3f8599883b6
[INFO] running `Command { std: "docker" "start" "-a" "33d0e837e8acaea1518ff69f5aeeacbca47f0dcf619ffeda4f71d3f8599883b6", kill_on_drop: false }`
[INFO] [stderr]     Checking rat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/scanner.rs:172:13
[INFO] [stdout]     |
[INFO] [stdout] 168 |             c1 => {
[INFO] [stdout]     |             -- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 172 |             c2 => {
[INFO] [stdout]     |             ^^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/scanner.rs:176:13
[INFO] [stdout]     |
[INFO] [stdout] 168 |             c1 => {
[INFO] [stdout]     |             -- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 176 |             _ => def,
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c1`
[INFO] [stdout]    --> src/scanner.rs:166:39
[INFO] [stdout]     |
[INFO] [stdout] 166 |     fn switch2(&mut self, def: Token, c1: u8, t1: Token, c2: u8, t2: Token) -> Token {
[INFO] [stdout]     |                                       ^^ help: if this is intentional, prefix it with an underscore: `_c1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c2`
[INFO] [stdout]    --> src/scanner.rs:166:58
[INFO] [stdout]     |
[INFO] [stdout] 166 |     fn switch2(&mut self, def: Token, c1: u8, t1: Token, c2: u8, t2: Token) -> Token {
[INFO] [stdout]     |                                                          ^^ help: if this is intentional, prefix it with an underscore: `_c2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c1`
[INFO] [stdout]    --> src/scanner.rs:168:13
[INFO] [stdout]     |
[INFO] [stdout] 168 |             c1 => {
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_c1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c2`
[INFO] [stdout]    --> src/scanner.rs:172:13
[INFO] [stdout]     |
[INFO] [stdout] 172 |             c2 => {
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_c2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/scanner.rs:195:13
[INFO] [stdout]     |
[INFO] [stdout] 191 |             c1 => {
[INFO] [stdout]     |             -- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 195 |             c2 => {
[INFO] [stdout]     |             ^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/scanner.rs:199:13
[INFO] [stdout]     |
[INFO] [stdout] 191 |             c1 => {
[INFO] [stdout]     |             -- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 199 |             c3 => {
[INFO] [stdout]     |             ^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/scanner.rs:203:13
[INFO] [stdout]     |
[INFO] [stdout] 191 |             c1 => {
[INFO] [stdout]     |             -- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 203 |             _ => def,
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c1`
[INFO] [stdout]    --> src/scanner.rs:183:9
[INFO] [stdout]     |
[INFO] [stdout] 183 |         c1: u8,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_c1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c2`
[INFO] [stdout]    --> src/scanner.rs:185:9
[INFO] [stdout]     |
[INFO] [stdout] 185 |         c2: u8,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_c2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c3`
[INFO] [stdout]    --> src/scanner.rs:187:9
[INFO] [stdout]     |
[INFO] [stdout] 187 |         c3: u8,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_c3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c1`
[INFO] [stdout]    --> src/scanner.rs:191:13
[INFO] [stdout]     |
[INFO] [stdout] 191 |             c1 => {
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_c1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c2`
[INFO] [stdout]    --> src/scanner.rs:195:13
[INFO] [stdout]     |
[INFO] [stdout] 195 |             c2 => {
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_c2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c3`
[INFO] [stdout]    --> src/scanner.rs:199:13
[INFO] [stdout]     |
[INFO] [stdout] 199 |             c3 => {
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_c3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/token.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub enum Token {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] 18 |     ILLEGAL,
[INFO] [stdout] 19 |     EOF,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     FLOAT_LIT,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 27 |     DOUBLE_LIT,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     DIV_ASSIGN,   // /=
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 34 |     REM_ASSIGN,   // %=
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 35 |
[INFO] [stdout] 36 |     SHL_ASSIGN, // >>=
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 37 |     SHR_ASSIGN, // <<=
[INFO] [stdout] 38 |     XOR_ASSIGN, // ^=
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 39 |
[INFO] [stdout] 40 |     AND_ASSIGN, // &=
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 41 |     OR_ASSIGN,  // |=
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 42 |
[INFO] [stdout] 43 |     AND,   // &
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 44 |     OR,    // |
[INFO] [stdout]    |     ^^
[INFO] [stdout] 45 |     XOR,   // ^
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 46 |     SHL,   // <<
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 47 |     SHR,   // >>
[INFO] [stdout] 48 |     TILDE, // ~
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |     SLASH,    // /
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 54 |     REM,      // %
[INFO] [stdout]    |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 63 |     LT,  // <
[INFO] [stdout]    |     ^^
[INFO] [stdout] 64 |     GEQ, // <=
[INFO] [stdout] 65 |     LEQ, // >=
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 66 |
[INFO] [stdout] 67 |     TERNERY, // ?
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 68 |     ARROW,   // ->
[INFO] [stdout] 69 |     DOT,     // .
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 70 |     ELIPSE,  // ...
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 |     LBRACE, // {
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 74 |     LBRACK, // [
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 75 |     COMMA,  // ,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 76 |     COLON,  // :
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 77 |
[INFO] [stdout] 78 |     RPAREN,    // )
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 79 |     RBRACE,    // }
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 80 |     RBRACK,    // ]
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 81 |     SEMICOLON, // ;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_str` is never used
[INFO] [stdout]    --> src/token.rs:212:12
[INFO] [stdout]     |
[INFO] [stdout] 211 | impl Token {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] 212 |     pub fn to_str(&self) -> &'static str {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `err` is never read
[INFO] [stdout]   --> src/scanner.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub struct Scanner<ErrorHandler: Fn(Position, String)> {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     err: ErrorHandler,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Scanner` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `expect` is never used
[INFO] [stdout]    --> src/scanner.rs:148:8
[INFO] [stdout]     |
[INFO] [stdout]  18 | impl<E: Fn(Position, String)> Scanner<E> {
[INFO] [stdout]     | ---------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 148 |     fn expect(&mut self, c: u8) -> bool {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/scanner.rs:172:13
[INFO] [stdout]     |
[INFO] [stdout] 168 |             c1 => {
[INFO] [stdout]     |             -- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 172 |             c2 => {
[INFO] [stdout]     |             ^^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/scanner.rs:176:13
[INFO] [stdout]     |
[INFO] [stdout] 168 |             c1 => {
[INFO] [stdout]     |             -- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 176 |             _ => def,
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c1`
[INFO] [stdout]    --> src/scanner.rs:166:39
[INFO] [stdout]     |
[INFO] [stdout] 166 |     fn switch2(&mut self, def: Token, c1: u8, t1: Token, c2: u8, t2: Token) -> Token {
[INFO] [stdout]     |                                       ^^ help: if this is intentional, prefix it with an underscore: `_c1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c2`
[INFO] [stdout]    --> src/scanner.rs:166:58
[INFO] [stdout]     |
[INFO] [stdout] 166 |     fn switch2(&mut self, def: Token, c1: u8, t1: Token, c2: u8, t2: Token) -> Token {
[INFO] [stdout]     |                                                          ^^ help: if this is intentional, prefix it with an underscore: `_c2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c1`
[INFO] [stdout]    --> src/scanner.rs:168:13
[INFO] [stdout]     |
[INFO] [stdout] 168 |             c1 => {
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_c1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c2`
[INFO] [stdout]    --> src/scanner.rs:172:13
[INFO] [stdout]     |
[INFO] [stdout] 172 |             c2 => {
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_c2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/scanner.rs:195:13
[INFO] [stdout]     |
[INFO] [stdout] 191 |             c1 => {
[INFO] [stdout]     |             -- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 195 |             c2 => {
[INFO] [stdout]     |             ^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/scanner.rs:199:13
[INFO] [stdout]     |
[INFO] [stdout] 191 |             c1 => {
[INFO] [stdout]     |             -- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 199 |             c3 => {
[INFO] [stdout]     |             ^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/scanner.rs:203:13
[INFO] [stdout]     |
[INFO] [stdout] 191 |             c1 => {
[INFO] [stdout]     |             -- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 203 |             _ => def,
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c1`
[INFO] [stdout]    --> src/scanner.rs:183:9
[INFO] [stdout]     |
[INFO] [stdout] 183 |         c1: u8,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_c1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c2`
[INFO] [stdout]    --> src/scanner.rs:185:9
[INFO] [stdout]     |
[INFO] [stdout] 185 |         c2: u8,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_c2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c3`
[INFO] [stdout]    --> src/scanner.rs:187:9
[INFO] [stdout]     |
[INFO] [stdout] 187 |         c3: u8,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_c3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c1`
[INFO] [stdout]    --> src/scanner.rs:191:13
[INFO] [stdout]     |
[INFO] [stdout] 191 |             c1 => {
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_c1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c2`
[INFO] [stdout]    --> src/scanner.rs:195:13
[INFO] [stdout]     |
[INFO] [stdout] 195 |             c2 => {
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_c2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c3`
[INFO] [stdout]    --> src/scanner.rs:199:13
[INFO] [stdout]     |
[INFO] [stdout] 199 |             c3 => {
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_c3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/token.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub enum Token {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] 18 |     ILLEGAL,
[INFO] [stdout] 19 |     EOF,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     FLOAT_LIT,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 27 |     DOUBLE_LIT,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     DIV_ASSIGN,   // /=
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 34 |     REM_ASSIGN,   // %=
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 35 |
[INFO] [stdout] 36 |     SHL_ASSIGN, // >>=
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 37 |     SHR_ASSIGN, // <<=
[INFO] [stdout] 38 |     XOR_ASSIGN, // ^=
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 39 |
[INFO] [stdout] 40 |     AND_ASSIGN, // &=
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 41 |     OR_ASSIGN,  // |=
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 42 |
[INFO] [stdout] 43 |     AND,   // &
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 44 |     OR,    // |
[INFO] [stdout]    |     ^^
[INFO] [stdout] 45 |     XOR,   // ^
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 46 |     SHL,   // <<
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 47 |     SHR,   // >>
[INFO] [stdout] 48 |     TILDE, // ~
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |     SLASH,    // /
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 54 |     REM,      // %
[INFO] [stdout]    |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 63 |     LT,  // <
[INFO] [stdout]    |     ^^
[INFO] [stdout] 64 |     GEQ, // <=
[INFO] [stdout] 65 |     LEQ, // >=
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 66 |
[INFO] [stdout] 67 |     TERNERY, // ?
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 68 |     ARROW,   // ->
[INFO] [stdout] 69 |     DOT,     // .
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 70 |     ELIPSE,  // ...
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 |     LBRACE, // {
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 74 |     LBRACK, // [
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 75 |     COMMA,  // ,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 76 |     COLON,  // :
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 77 |
[INFO] [stdout] 78 |     RPAREN,    // )
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 79 |     RBRACE,    // }
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 80 |     RBRACK,    // ]
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 81 |     SEMICOLON, // ;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_str` is never used
[INFO] [stdout]    --> src/token.rs:212:12
[INFO] [stdout]     |
[INFO] [stdout] 211 | impl Token {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] 212 |     pub fn to_str(&self) -> &'static str {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `err` is never read
[INFO] [stdout]   --> src/scanner.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub struct Scanner<ErrorHandler: Fn(Position, String)> {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     err: ErrorHandler,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Scanner` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `expect` is never used
[INFO] [stdout]    --> src/scanner.rs:148:8
[INFO] [stdout]     |
[INFO] [stdout]  18 | impl<E: Fn(Position, String)> Scanner<E> {
[INFO] [stdout]     | ---------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 148 |     fn expect(&mut self, c: u8) -> bool {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "33d0e837e8acaea1518ff69f5aeeacbca47f0dcf619ffeda4f71d3f8599883b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33d0e837e8acaea1518ff69f5aeeacbca47f0dcf619ffeda4f71d3f8599883b6", kill_on_drop: false }`
[INFO] [stdout] 33d0e837e8acaea1518ff69f5aeeacbca47f0dcf619ffeda4f71d3f8599883b6
