[INFO] cloning repository https://github.com/CodeAffe/Lisperator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CodeAffe/Lisperator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCodeAffe%2FLisperator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCodeAffe%2FLisperator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 213df5d24bf6ee1fbb02003b7e4dbbbd23ac98fc
[INFO] checking CodeAffe/Lisperator against master#b389b0ab72cb0aa9acf4df0ae0c0e12090782da9 for pr-128351-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCodeAffe%2FLisperator" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CodeAffe/Lisperator on toolchain b389b0ab72cb0aa9acf4df0ae0c0e12090782da9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b389b0ab72cb0aa9acf4df0ae0c0e12090782da9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/CodeAffe/Lisperator
[INFO] finished tweaking git repo https://github.com/CodeAffe/Lisperator
[INFO] tweaked toml for git repo https://github.com/CodeAffe/Lisperator written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/CodeAffe/Lisperator 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" "+b389b0ab72cb0aa9acf4df0ae0c0e12090782da9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[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 version_check v0.1.4
[INFO] [stderr]   Downloaded cfg-if v0.1.5
[INFO] [stderr]   Downloaded aho-corasick v0.6.8
[INFO] [stderr]   Downloaded ucd-util v0.1.1
[INFO] [stderr]   Downloaded lazy_static v1.1.0
[INFO] [stderr]   Downloaded utf8-ranges v1.0.1
[INFO] [stderr]   Downloaded regex-syntax v0.6.2
[INFO] [stderr]   Downloaded memchr v2.1.0
[INFO] [stderr]   Downloaded regex v1.0.5
[INFO] [stderr]   Downloaded libc v0.2.43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+b389b0ab72cb0aa9acf4df0ae0c0e12090782da9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed190547915e6acd74570a6cea27cca2efd4839e454630346be08d020e140d22
[INFO] running `Command { std: "docker" "start" "-a" "ed190547915e6acd74570a6cea27cca2efd4839e454630346be08d020e140d22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed190547915e6acd74570a6cea27cca2efd4839e454630346be08d020e140d22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed190547915e6acd74570a6cea27cca2efd4839e454630346be08d020e140d22", kill_on_drop: false }`
[INFO] [stdout] ed190547915e6acd74570a6cea27cca2efd4839e454630346be08d020e140d22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+b389b0ab72cb0aa9acf4df0ae0c0e12090782da9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9093da3e5b48caadbe39f30a7ba7068f59a73635fffefb4b5553d68306f45db3
[INFO] running `Command { std: "docker" "start" "-a" "9093da3e5b48caadbe39f30a7ba7068f59a73635fffefb4b5553d68306f45db3", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking cfg-if v0.1.5
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]     Checking utf8-ranges v1.0.1
[INFO] [stderr]     Checking regex-syntax v0.6.2
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking aho-corasick v0.6.8
[INFO] [stderr]     Checking lisperator-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `has_dot`
[INFO] [stdout]    --> src/TokenStream.rs:114:17
[INFO] [stdout]     |
[INFO] [stdout] 114 |         let mut has_dot = false;
[INFO] [stdout]     |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_has_dot`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/TokenStream.rs:114:13
[INFO] [stdout]     |
[INFO] [stdout] 114 |         let mut has_dot = false;
[INFO] [stdout]     |             ----^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/TokenStream.rs:115:13
[INFO] [stdout]     |
[INFO] [stdout] 115 |         let mut number = 0;
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> src/TokenStream.rs:125:17
[INFO] [stdout]     |
[INFO] [stdout] 125 |         let mut id = 0;
[INFO] [stdout]     |                 ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/TokenStream.rs:125:13
[INFO] [stdout]     |
[INFO] [stdout] 125 |         let mut id = 0;
[INFO] [stdout]     |             ----^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut input = InputStream::InputStream {
[INFO] [stdout]   |         ----^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut token = TokenStream::TokenStream {
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ReadEvent` is never used
[INFO] [stdout]   --> src/main.rs:32:6
[INFO] [stdout]    |
[INFO] [stdout] 32 | enum ReadEvent {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `pos`, `line`, `col`, and `input` are never read
[INFO] [stdout]  --> src/InputStream.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct InputStream{
[INFO] [stdout]   |            ----------- fields in this struct
[INFO] [stdout] 2 |     pub pos: i32,
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 3 |     pub line: i32,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 4 |     pub col: i32,
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 5 |     pub input: Vec<char>
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `next`, `peek`, `eof`, and `croak` are never used
[INFO] [stdout]   --> src/InputStream.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 8  | impl InputStream {
[INFO] [stdout]    | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 12 |     pub fn next(&mut self) -> char {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn peek(&self) -> char {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn eof(&self) -> bool {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn croak(&self, msg: String) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `pos`, `line`, `col`, `input`, and `keywords` are never read
[INFO] [stdout]  --> src/TokenStream.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct TokenStream{
[INFO] [stdout]   |            ----------- fields in this struct
[INFO] [stdout] 5 |     pub pos: i32,
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 6 |     pub line: i32,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 7 |     pub col: i32,
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 8 |     pub input: InputStream,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout] 9 |     pub keywords: [String; 3]
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/TokenStream.rs:13:12
[INFO] [stdout]     |
[INFO] [stdout] 12  | impl TokenStream {
[INFO] [stdout]     | ---------------- associated items in this implementation
[INFO] [stdout] 13  |     pub fn read_next(&self, input: &InputStream) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62  |     pub fn is_keyword(&self, ch: String) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 75  |     pub fn is_id_start(&self, ch: char) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 81  |     pub fn is_id(&self, ch: char) -> bool {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 86  |     pub fn is_op_char(ch: char) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 91  |     pub fn is_punc(ch: char) -> bool {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 96  |     pub fn is_whitespace(&self, ch: char) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |     pub fn read_while(&self) -> String {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 113 |     pub fn read_number() -> Token {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |     pub fn read_ident() {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 131 |     pub fn read_escaped(&self, end: char) -> &str {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 151 |     pub fn read_string(&self) -> Token {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Token` is never constructed
[INFO] [stdout]    --> src/TokenStream.rs:176:12
[INFO] [stdout]     |
[INFO] [stdout] 176 | pub struct Token {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `InputStream` should have a snake case name
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | mod InputStream;
[INFO] [stdout]   |     ^^^^^^^^^^^ help: convert the identifier to snake case: `input_stream`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `TokenStream` should have a snake case name
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | mod TokenStream;
[INFO] [stdout]   |     ^^^^^^^^^^^ help: convert the identifier to snake case: `token_stream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `has_dot`
[INFO] [stdout]    --> src/TokenStream.rs:114:17
[INFO] [stdout]     |
[INFO] [stdout] 114 |         let mut has_dot = false;
[INFO] [stdout]     |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_has_dot`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/TokenStream.rs:114:13
[INFO] [stdout]     |
[INFO] [stdout] 114 |         let mut has_dot = false;
[INFO] [stdout]     |             ----^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/TokenStream.rs:115:13
[INFO] [stdout]     |
[INFO] [stdout] 115 |         let mut number = 0;
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> src/TokenStream.rs:125:17
[INFO] [stdout]     |
[INFO] [stdout] 125 |         let mut id = 0;
[INFO] [stdout]     |                 ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/TokenStream.rs:125:13
[INFO] [stdout]     |
[INFO] [stdout] 125 |         let mut id = 0;
[INFO] [stdout]     |             ----^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut input = InputStream::InputStream {
[INFO] [stdout]   |         ----^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut token = TokenStream::TokenStream {
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ReadEvent` is never used
[INFO] [stdout]   --> src/main.rs:32:6
[INFO] [stdout]    |
[INFO] [stdout] 32 | enum ReadEvent {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `pos`, `line`, `col`, and `input` are never read
[INFO] [stdout]  --> src/InputStream.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct InputStream{
[INFO] [stdout]   |            ----------- fields in this struct
[INFO] [stdout] 2 |     pub pos: i32,
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 3 |     pub line: i32,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 4 |     pub col: i32,
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 5 |     pub input: Vec<char>
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `next`, `peek`, `eof`, and `croak` are never used
[INFO] [stdout]   --> src/InputStream.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 8  | impl InputStream {
[INFO] [stdout]    | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 12 |     pub fn next(&mut self) -> char {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn peek(&self) -> char {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn eof(&self) -> bool {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn croak(&self, msg: String) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `pos`, `line`, `col`, `input`, and `keywords` are never read
[INFO] [stdout]  --> src/TokenStream.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct TokenStream{
[INFO] [stdout]   |            ----------- fields in this struct
[INFO] [stdout] 5 |     pub pos: i32,
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 6 |     pub line: i32,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 7 |     pub col: i32,
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 8 |     pub input: InputStream,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout] 9 |     pub keywords: [String; 3]
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/TokenStream.rs:13:12
[INFO] [stdout]     |
[INFO] [stdout] 12  | impl TokenStream {
[INFO] [stdout]     | ---------------- associated items in this implementation
[INFO] [stdout] 13  |     pub fn read_next(&self, input: &InputStream) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62  |     pub fn is_keyword(&self, ch: String) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 75  |     pub fn is_id_start(&self, ch: char) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 81  |     pub fn is_id(&self, ch: char) -> bool {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 86  |     pub fn is_op_char(ch: char) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 91  |     pub fn is_punc(ch: char) -> bool {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 96  |     pub fn is_whitespace(&self, ch: char) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |     pub fn read_while(&self) -> String {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 113 |     pub fn read_number() -> Token {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |     pub fn read_ident() {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 131 |     pub fn read_escaped(&self, end: char) -> &str {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 151 |     pub fn read_string(&self) -> Token {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Token` is never constructed
[INFO] [stdout]    --> src/TokenStream.rs:176:12
[INFO] [stdout]     |
[INFO] [stdout] 176 | pub struct Token {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `InputStream` should have a snake case name
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | mod InputStream;
[INFO] [stdout]   |     ^^^^^^^^^^^ help: convert the identifier to snake case: `input_stream`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `TokenStream` should have a snake case name
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | mod TokenStream;
[INFO] [stdout]   |     ^^^^^^^^^^^ help: convert the identifier to snake case: `token_stream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.82s
[INFO] running `Command { std: "docker" "inspect" "9093da3e5b48caadbe39f30a7ba7068f59a73635fffefb4b5553d68306f45db3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9093da3e5b48caadbe39f30a7ba7068f59a73635fffefb4b5553d68306f45db3", kill_on_drop: false }`
[INFO] [stdout] 9093da3e5b48caadbe39f30a7ba7068f59a73635fffefb4b5553d68306f45db3
[INFO] checking CodeAffe/Lisperator against try#16d823b1c168ce52c66ccc00dfd686f775a45c65 for pr-128351-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCodeAffe%2FLisperator" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CodeAffe/Lisperator on toolchain 16d823b1c168ce52c66ccc00dfd686f775a45c65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16d823b1c168ce52c66ccc00dfd686f775a45c65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/CodeAffe/Lisperator
[INFO] finished tweaking git repo https://github.com/CodeAffe/Lisperator
[INFO] tweaked toml for git repo https://github.com/CodeAffe/Lisperator written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/CodeAffe/Lisperator 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" "+16d823b1c168ce52c66ccc00dfd686f775a45c65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+16d823b1c168ce52c66ccc00dfd686f775a45c65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d6a4c8feaa38208f291db2657d2435ed6f344dc7e59dec9bb0e08e8d63264f06
[INFO] running `Command { std: "docker" "start" "-a" "d6a4c8feaa38208f291db2657d2435ed6f344dc7e59dec9bb0e08e8d63264f06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6a4c8feaa38208f291db2657d2435ed6f344dc7e59dec9bb0e08e8d63264f06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6a4c8feaa38208f291db2657d2435ed6f344dc7e59dec9bb0e08e8d63264f06", kill_on_drop: false }`
[INFO] [stdout] d6a4c8feaa38208f291db2657d2435ed6f344dc7e59dec9bb0e08e8d63264f06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+16d823b1c168ce52c66ccc00dfd686f775a45c65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f04ccdfff565de70eb30070e380468226d9067d17b9de65bea3328cd6c41cb94
[INFO] running `Command { std: "docker" "start" "-a" "f04ccdfff565de70eb30070e380468226d9067d17b9de65bea3328cd6c41cb94", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking cfg-if v0.1.5
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]     Checking utf8-ranges v1.0.1
[INFO] [stderr]     Checking regex-syntax v0.6.2
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking aho-corasick v0.6.8
[INFO] [stderr]     Checking lisperator-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `has_dot`
[INFO] [stdout]    --> src/TokenStream.rs:114:17
[INFO] [stdout]     |
[INFO] [stdout] 114 |         let mut has_dot = false;
[INFO] [stdout]     |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_has_dot`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/TokenStream.rs:114:13
[INFO] [stdout]     |
[INFO] [stdout] 114 |         let mut has_dot = false;
[INFO] [stdout]     |             ----^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/TokenStream.rs:115:13
[INFO] [stdout]     |
[INFO] [stdout] 115 |         let mut number = 0;
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> src/TokenStream.rs:125:17
[INFO] [stdout]     |
[INFO] [stdout] 125 |         let mut id = 0;
[INFO] [stdout]     |                 ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/TokenStream.rs:125:13
[INFO] [stdout]     |
[INFO] [stdout] 125 |         let mut id = 0;
[INFO] [stdout]     |             ----^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut input = InputStream::InputStream {
[INFO] [stdout]   |         ----^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut token = TokenStream::TokenStream {
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ReadEvent` is never used
[INFO] [stdout]   --> src/main.rs:32:6
[INFO] [stdout]    |
[INFO] [stdout] 32 | enum ReadEvent {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `pos`, `line`, `col`, and `input` are never read
[INFO] [stdout]  --> src/InputStream.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct InputStream{
[INFO] [stdout]   |            ----------- fields in this struct
[INFO] [stdout] 2 |     pub pos: i32,
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 3 |     pub line: i32,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 4 |     pub col: i32,
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 5 |     pub input: Vec<char>
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `next`, `peek`, `eof`, and `croak` are never used
[INFO] [stdout]   --> src/InputStream.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 8  | impl InputStream {
[INFO] [stdout]    | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 12 |     pub fn next(&mut self) -> char {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn peek(&self) -> char {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn eof(&self) -> bool {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn croak(&self, msg: String) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `pos`, `line`, `col`, `input`, and `keywords` are never read
[INFO] [stdout]  --> src/TokenStream.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct TokenStream{
[INFO] [stdout]   |            ----------- fields in this struct
[INFO] [stdout] 5 |     pub pos: i32,
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 6 |     pub line: i32,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 7 |     pub col: i32,
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 8 |     pub input: InputStream,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout] 9 |     pub keywords: [String; 3]
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/TokenStream.rs:13:12
[INFO] [stdout]     |
[INFO] [stdout] 12  | impl TokenStream {
[INFO] [stdout]     | ---------------- associated items in this implementation
[INFO] [stdout] 13  |     pub fn read_next(&self, input: &InputStream) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62  |     pub fn is_keyword(&self, ch: String) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 75  |     pub fn is_id_start(&self, ch: char) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 81  |     pub fn is_id(&self, ch: char) -> bool {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 86  |     pub fn is_op_char(ch: char) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 91  |     pub fn is_punc(ch: char) -> bool {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 96  |     pub fn is_whitespace(&self, ch: char) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |     pub fn read_while(&self) -> String {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 113 |     pub fn read_number() -> Token {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |     pub fn read_ident() {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 131 |     pub fn read_escaped(&self, end: char) -> &str {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 151 |     pub fn read_string(&self) -> Token {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Token` is never constructed
[INFO] [stdout]    --> src/TokenStream.rs:176:12
[INFO] [stdout]     |
[INFO] [stdout] 176 | pub struct Token {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `InputStream` should have a snake case name
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | mod InputStream;
[INFO] [stdout]   |     ^^^^^^^^^^^ help: convert the identifier to snake case: `input_stream`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `TokenStream` should have a snake case name
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | mod TokenStream;
[INFO] [stdout]   |     ^^^^^^^^^^^ help: convert the identifier to snake case: `token_stream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `has_dot`
[INFO] [stdout]    --> src/TokenStream.rs:114:17
[INFO] [stdout]     |
[INFO] [stdout] 114 |         let mut has_dot = false;
[INFO] [stdout]     |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_has_dot`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/TokenStream.rs:114:13
[INFO] [stdout]     |
[INFO] [stdout] 114 |         let mut has_dot = false;
[INFO] [stdout]     |             ----^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/TokenStream.rs:115:13
[INFO] [stdout]     |
[INFO] [stdout] 115 |         let mut number = 0;
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> src/TokenStream.rs:125:17
[INFO] [stdout]     |
[INFO] [stdout] 125 |         let mut id = 0;
[INFO] [stdout]     |                 ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/TokenStream.rs:125:13
[INFO] [stdout]     |
[INFO] [stdout] 125 |         let mut id = 0;
[INFO] [stdout]     |             ----^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut input = InputStream::InputStream {
[INFO] [stdout]   |         ----^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut token = TokenStream::TokenStream {
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ReadEvent` is never used
[INFO] [stdout]   --> src/main.rs:32:6
[INFO] [stdout]    |
[INFO] [stdout] 32 | enum ReadEvent {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `pos`, `line`, `col`, and `input` are never read
[INFO] [stdout]  --> src/InputStream.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct InputStream{
[INFO] [stdout]   |            ----------- fields in this struct
[INFO] [stdout] 2 |     pub pos: i32,
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 3 |     pub line: i32,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 4 |     pub col: i32,
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 5 |     pub input: Vec<char>
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `next`, `peek`, `eof`, and `croak` are never used
[INFO] [stdout]   --> src/InputStream.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 8  | impl InputStream {
[INFO] [stdout]    | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 12 |     pub fn next(&mut self) -> char {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn peek(&self) -> char {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn eof(&self) -> bool {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn croak(&self, msg: String) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `pos`, `line`, `col`, `input`, and `keywords` are never read
[INFO] [stdout]  --> src/TokenStream.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct TokenStream{
[INFO] [stdout]   |            ----------- fields in this struct
[INFO] [stdout] 5 |     pub pos: i32,
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 6 |     pub line: i32,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 7 |     pub col: i32,
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 8 |     pub input: InputStream,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout] 9 |     pub keywords: [String; 3]
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/TokenStream.rs:13:12
[INFO] [stdout]     |
[INFO] [stdout] 12  | impl TokenStream {
[INFO] [stdout]     | ---------------- associated items in this implementation
[INFO] [stdout] 13  |     pub fn read_next(&self, input: &InputStream) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62  |     pub fn is_keyword(&self, ch: String) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 75  |     pub fn is_id_start(&self, ch: char) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 81  |     pub fn is_id(&self, ch: char) -> bool {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 86  |     pub fn is_op_char(ch: char) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 91  |     pub fn is_punc(ch: char) -> bool {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 96  |     pub fn is_whitespace(&self, ch: char) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |     pub fn read_while(&self) -> String {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 113 |     pub fn read_number() -> Token {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |     pub fn read_ident() {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 131 |     pub fn read_escaped(&self, end: char) -> &str {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 151 |     pub fn read_string(&self) -> Token {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Token` is never constructed
[INFO] [stdout]    --> src/TokenStream.rs:176:12
[INFO] [stdout]     |
[INFO] [stdout] 176 | pub struct Token {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `InputStream` should have a snake case name
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | mod InputStream;
[INFO] [stdout]   |     ^^^^^^^^^^^ help: convert the identifier to snake case: `input_stream`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `TokenStream` should have a snake case name
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | mod TokenStream;
[INFO] [stdout]   |     ^^^^^^^^^^^ help: convert the identifier to snake case: `token_stream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.15s
[INFO] running `Command { std: "docker" "inspect" "f04ccdfff565de70eb30070e380468226d9067d17b9de65bea3328cd6c41cb94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f04ccdfff565de70eb30070e380468226d9067d17b9de65bea3328cd6c41cb94", kill_on_drop: false }`
[INFO] [stdout] f04ccdfff565de70eb30070e380468226d9067d17b9de65bea3328cd6c41cb94
