[INFO] cloning repository https://github.com/busyluo/roc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/busyluo/roc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbusyluo%2Froc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbusyluo%2Froc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d582ca067dc97572aa6a5f09624f52f368d40e93
[INFO] checking busyluo/roc against try#04ea1e1f1a12cfa912c228ca278237d92d0bb6df for pr-148477-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbusyluo%2Froc" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/busyluo/roc
[INFO] finished tweaking git repo https://github.com/busyluo/roc
[INFO] tweaked toml for git repo https://github.com/busyluo/roc written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/busyluo/roc on toolchain 04ea1e1f1a12cfa912c228ca278237d92d0bb6df
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+04ea1e1f1a12cfa912c228ca278237d92d0bb6df" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/busyluo/roc 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" "+04ea1e1f1a12cfa912c228ca278237d92d0bb6df" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded array-init v0.1.0
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+04ea1e1f1a12cfa912c228ca278237d92d0bb6df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51dc35bd9638b7618e3571c7891db27044cb23c676dc070b9123441db2b990b9
[INFO] running `Command { std: "docker" "start" "-a" "51dc35bd9638b7618e3571c7891db27044cb23c676dc070b9123441db2b990b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51dc35bd9638b7618e3571c7891db27044cb23c676dc070b9123441db2b990b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51dc35bd9638b7618e3571c7891db27044cb23c676dc070b9123441db2b990b9", kill_on_drop: false }`
[INFO] [stdout] 51dc35bd9638b7618e3571c7891db27044cb23c676dc070b9123441db2b990b9
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+04ea1e1f1a12cfa912c228ca278237d92d0bb6df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2fd424d793db81ca1c0da70e55b07303d3c318e9b720991c85ed56704f494a8
[INFO] running `Command { std: "docker" "start" "-a" "c2fd424d793db81ca1c0da70e55b07303d3c318e9b720991c85ed56704f494a8", kill_on_drop: false }`
[INFO] [stderr]     Checking array-init v0.1.0
[INFO] [stderr]     Checking roc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `exclusive_range_pattern` has been stable since 1.80.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(exclusive_range_pattern)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `exclusive_range_pattern` has been stable since 1.80.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(exclusive_range_pattern)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `MultiCharSymbol` is never constructed
[INFO] [stdout]   --> src/main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | enum NodeType {
[INFO] [stdout]    |      -------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 21 |     MultiCharSymbol,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NodeType` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/main.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[warn(dead_code)]
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `symbol`, `line_end`, `space`, `num_float`, `num_hex`, and `num_bin` are never read
[INFO] [stdout]   --> src/main.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | struct DfaNode {
[INFO] [stdout]    |        ------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 36 |     symbol: bool,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 37 |     line_end: bool,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 38 |     space: bool,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 39 |     num_float: bool,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 40 |     num_hex: bool,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 41 |     num_bin: bool,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DfaNode` has a derived impl for the trait `Clone`, but this is 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: associated function `new` is never used
[INFO] [stdout]   --> src/main.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 46 | impl DfaNode {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] 47 |     fn new() -> DfaNode {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/main.rs:96:12
[INFO] [stdout]    |
[INFO] [stdout] 96 |     LitInt(String, i64),
[INFO] [stdout]    |     ------ ^^^^^^  ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/main.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 | #[warn(dead_code)]
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 96 -     LitInt(String, i64),
[INFO] [stdout] 96 +     LitInt((), ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/main.rs:98:16
[INFO] [stdout]    |
[INFO] [stdout] 98 |     Identifier(String),
[INFO] [stdout]    |     ---------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 98 -     Identifier(String),
[INFO] [stdout] 98 +     Identifier(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/main.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 69 | enum Token {
[INFO] [stdout]    |      ----- variants in this enum
[INFO] [stdout] 70 |     KwFn,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 71 |     KwInt,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 72 |     KwFloat,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 73 |     KwLet,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 74 |     Comma,    // ,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 75 |     Equal,    // =
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 76 |     Plus,     // +
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 77 |     Minus,    // -
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 78 |     ParenL,    // (
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 79 |     ParenR,    // )
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 80 |     BraceL,    // {
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 81 |     BraceR,    // }
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 82 |     NextLine,  // \n
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 83 |     EqualEqual, // ==
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 84 |     Gt,         // >
[INFO] [stdout]    |     ^^
[INFO] [stdout] 85 |     Lt,         // <
[INFO] [stdout]    |     ^^
[INFO] [stdout] 86 |     GtEqual,    // >=
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 87 |     LtEqual,    // <=
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 88 |     Star,       // *
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 89 |     Slash,      // /
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 90 |     PlusEqaul,  // +=
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 91 |     MinusEqual, // -=
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 92 |     StarEqual,  // *=
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 93 |     SlashEqual,  // /=
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 94 |
[INFO] [stdout] 95 |     LitStr(String),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 96 |     LitInt(String, i64),
[INFO] [stdout] 97 |     LitFloat(String, f64),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_str` is never used
[INFO] [stdout]    --> src/main.rs:104:8
[INFO] [stdout]     |
[INFO] [stdout] 103 | impl Token {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] 104 |     fn to_str(&self) -> &str{
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/main.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 102 | #[warn(dead_code)]
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/main.rs:150:17
[INFO] [stdout]     |
[INFO] [stdout] 150 |     fn new(buf: &String) -> Lexer {
[INFO] [stdout]     |                 ^^^^^^^     ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 150 |     fn new(buf: &String) -> Lexer<'_> {
[INFO] [stdout]     |                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `MultiCharSymbol` is never constructed
[INFO] [stdout]   --> src/main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | enum NodeType {
[INFO] [stdout]    |      -------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 21 |     MultiCharSymbol,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NodeType` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/main.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[warn(dead_code)]
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `symbol`, `line_end`, `space`, `num_float`, `num_hex`, and `num_bin` are never read
[INFO] [stdout]   --> src/main.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | struct DfaNode {
[INFO] [stdout]    |        ------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 36 |     symbol: bool,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 37 |     line_end: bool,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 38 |     space: bool,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 39 |     num_float: bool,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 40 |     num_hex: bool,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 41 |     num_bin: bool,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DfaNode` has a derived impl for the trait `Clone`, but this is 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: associated function `new` is never used
[INFO] [stdout]   --> src/main.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 46 | impl DfaNode {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] 47 |     fn new() -> DfaNode {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/main.rs:96:12
[INFO] [stdout]    |
[INFO] [stdout] 96 |     LitInt(String, i64),
[INFO] [stdout]    |     ------ ^^^^^^  ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/main.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 | #[warn(dead_code)]
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 96 -     LitInt(String, i64),
[INFO] [stdout] 96 +     LitInt((), ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/main.rs:98:16
[INFO] [stdout]    |
[INFO] [stdout] 98 |     Identifier(String),
[INFO] [stdout]    |     ---------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 98 -     Identifier(String),
[INFO] [stdout] 98 +     Identifier(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/main.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 69 | enum Token {
[INFO] [stdout]    |      ----- variants in this enum
[INFO] [stdout] 70 |     KwFn,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 71 |     KwInt,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 72 |     KwFloat,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 73 |     KwLet,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 74 |     Comma,    // ,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 75 |     Equal,    // =
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 76 |     Plus,     // +
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 77 |     Minus,    // -
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 78 |     ParenL,    // (
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 79 |     ParenR,    // )
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 80 |     BraceL,    // {
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 81 |     BraceR,    // }
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 82 |     NextLine,  // \n
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 83 |     EqualEqual, // ==
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 84 |     Gt,         // >
[INFO] [stdout]    |     ^^
[INFO] [stdout] 85 |     Lt,         // <
[INFO] [stdout]    |     ^^
[INFO] [stdout] 86 |     GtEqual,    // >=
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 87 |     LtEqual,    // <=
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 88 |     Star,       // *
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 89 |     Slash,      // /
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 90 |     PlusEqaul,  // +=
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 91 |     MinusEqual, // -=
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 92 |     StarEqual,  // *=
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 93 |     SlashEqual,  // /=
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 94 |
[INFO] [stdout] 95 |     LitStr(String),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 96 |     LitInt(String, i64),
[INFO] [stdout] 97 |     LitFloat(String, f64),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_str` is never used
[INFO] [stdout]    --> src/main.rs:104:8
[INFO] [stdout]     |
[INFO] [stdout] 103 | impl Token {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] 104 |     fn to_str(&self) -> &str{
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/main.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 102 | #[warn(dead_code)]
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/main.rs:150:17
[INFO] [stdout]     |
[INFO] [stdout] 150 |     fn new(buf: &String) -> Lexer {
[INFO] [stdout]     |                 ^^^^^^^     ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 150 |     fn new(buf: &String) -> Lexer<'_> {
[INFO] [stdout]     |                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "c2fd424d793db81ca1c0da70e55b07303d3c318e9b720991c85ed56704f494a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2fd424d793db81ca1c0da70e55b07303d3c318e9b720991c85ed56704f494a8", kill_on_drop: false }`
[INFO] [stdout] c2fd424d793db81ca1c0da70e55b07303d3c318e9b720991c85ed56704f494a8
