Nov 28 12:02:19.241 INFO checking Nazariglez/monkeylang-rs against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 12:02:19.241 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-6/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +db42d4dad33013eba11ef37342ad9f614e5652b8-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 28 12:02:19.732 INFO [stdout] c42af80354c04850c656c071f5bd013b11363bc61fe592e1555c76b554abb53b
Nov 28 12:02:19.735 INFO running `"docker" "start" "-a" "c42af80354c04850c656c071f5bd013b11363bc61fe592e1555c76b554abb53b"`
Nov 28 12:02:21.140 INFO [stderr] usermod: no changes
Nov 28 12:02:21.196 INFO [stderr]     Checking monkey v0.1.0 (/source)
Nov 28 12:02:21.833 INFO [stderr] warning: unreachable pattern
Nov 28 12:02:21.833 INFO [stderr]   --> src/token.rs:68:13
Nov 28 12:02:21.833 INFO [stderr]    |
Nov 28 12:02:21.834 INFO [stderr] 67 |             _Illegal => "Illegal",
Nov 28 12:02:21.834 INFO [stderr]    |             -------- matches any value
Nov 28 12:02:21.834 INFO [stderr] 68 |             _EOF => "EOF",
Nov 28 12:02:21.835 INFO [stderr]    |             ^^^^ unreachable pattern
Nov 28 12:02:21.835 INFO [stderr]    |
Nov 28 12:02:21.835 INFO [stderr]    = note: #[warn(unreachable_patterns)] on by default
Nov 28 12:02:21.835 INFO [stderr] 
Nov 28 12:02:21.836 INFO [stderr] warning: unreachable pattern
Nov 28 12:02:21.836 INFO [stderr]   --> src/token.rs:69:13
Nov 28 12:02:21.836 INFO [stderr]    |
Nov 28 12:02:21.837 INFO [stderr] 67 |             _Illegal => "Illegal",
Nov 28 12:02:21.837 INFO [stderr]    |             -------- matches any value
Nov 28 12:02:21.837 INFO [stderr] 68 |             _EOF => "EOF",
Nov 28 12:02:21.837 INFO [stderr] 69 |             _Ident => "Ident",
Nov 28 12:02:21.838 INFO [stderr]    |             ^^^^^^ unreachable pattern
Nov 28 12:02:21.838 INFO [stderr] 
Nov 28 12:02:21.838 INFO [stderr] warning: unreachable pattern
Nov 28 12:02:21.838 INFO [stderr]   --> src/token.rs:70:13
Nov 28 12:02:21.839 INFO [stderr]    |
Nov 28 12:02:21.839 INFO [stderr] 67 |             _Illegal => "Illegal",
Nov 28 12:02:21.839 INFO [stderr]    |             -------- matches any value
Nov 28 12:02:21.840 INFO [stderr] ...
Nov 28 12:02:21.840 INFO [stderr] 70 |             _ => "Unimplemented!"
Nov 28 12:02:21.840 INFO [stderr]    |             ^ unreachable pattern
Nov 28 12:02:21.840 INFO [stderr] 
Nov 28 12:02:21.889 INFO [stderr] warning: method is never used: `new`
Nov 28 12:02:21.889 INFO [stderr]   --> src/token.rs:10:5
Nov 28 12:02:21.889 INFO [stderr]    |
Nov 28 12:02:21.890 INFO [stderr] 10 |     pub fn new(typ: TokenType, literal: &str) -> Token {
Nov 28 12:02:21.890 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:02:21.890 INFO [stderr]    |
Nov 28 12:02:21.891 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 12:02:21.891 INFO [stderr] 
Nov 28 12:02:21.891 INFO [stderr] warning: method is never used: `from_char`
Nov 28 12:02:21.891 INFO [stderr]   --> src/token.rs:17:5
Nov 28 12:02:21.892 INFO [stderr]    |
Nov 28 12:02:21.892 INFO [stderr] 17 |     pub fn from_char(typ: TokenType, ch: char) -> Token {
Nov 28 12:02:21.892 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:02:21.893 INFO [stderr] 
Nov 28 12:02:21.893 INFO [stderr] warning: method is never used: `default`
Nov 28 12:02:21.893 INFO [stderr]   --> src/token.rs:21:5
Nov 28 12:02:21.893 INFO [stderr]    |
Nov 28 12:02:21.894 INFO [stderr] 21 |     pub fn default() -> Token {
Nov 28 12:02:21.894 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:02:21.894 INFO [stderr] 
Nov 28 12:02:21.895 INFO [stderr] warning: variant is never constructed: `Illegal`
Nov 28 12:02:21.895 INFO [stderr]   --> src/token.rs:28:5
Nov 28 12:02:21.895 INFO [stderr]    |
Nov 28 12:02:21.895 INFO [stderr] 28 |     Illegal,
Nov 28 12:02:21.896 INFO [stderr]    |     ^^^^^^^
Nov 28 12:02:21.896 INFO [stderr] 
Nov 28 12:02:21.896 INFO [stderr] warning: variant is never constructed: `EOF`
Nov 28 12:02:21.897 INFO [stderr]   --> src/token.rs:29:5
Nov 28 12:02:21.897 INFO [stderr]    |
Nov 28 12:02:21.897 INFO [stderr] 29 |     EOF,
Nov 28 12:02:21.897 INFO [stderr]    |     ^^^
Nov 28 12:02:21.898 INFO [stderr] 
Nov 28 12:02:21.898 INFO [stderr] warning: variant is never constructed: `Ident`
Nov 28 12:02:21.898 INFO [stderr]   --> src/token.rs:31:5
Nov 28 12:02:21.899 INFO [stderr]    |
Nov 28 12:02:21.899 INFO [stderr] 31 |     Ident,
Nov 28 12:02:21.899 INFO [stderr]    |     ^^^^^
Nov 28 12:02:21.899 INFO [stderr] 
Nov 28 12:02:21.900 INFO [stderr] warning: variant is never constructed: `Int`
Nov 28 12:02:21.900 INFO [stderr]   --> src/token.rs:32:5
Nov 28 12:02:21.900 INFO [stderr]    |
Nov 28 12:02:21.901 INFO [stderr] 32 |     Int,
Nov 28 12:02:21.901 INFO [stderr]    |     ^^^
Nov 28 12:02:21.901 INFO [stderr] 
Nov 28 12:02:21.901 INFO [stderr] warning: variant is never constructed: `String`
Nov 28 12:02:21.902 INFO [stderr]   --> src/token.rs:33:5
Nov 28 12:02:21.902 INFO [stderr]    |
Nov 28 12:02:21.902 INFO [stderr] 33 |     String,
Nov 28 12:02:21.903 INFO [stderr]    |     ^^^^^^
Nov 28 12:02:21.903 INFO [stderr] 
Nov 28 12:02:21.903 INFO [stderr] warning: variant is never constructed: `Assign`
Nov 28 12:02:21.903 INFO [stderr]   --> src/token.rs:35:5
Nov 28 12:02:21.904 INFO [stderr]    |
Nov 28 12:02:21.908 INFO [stderr] 35 |     Assign,
Nov 28 12:02:21.908 INFO [stderr]    |     ^^^^^^
Nov 28 12:02:21.909 INFO [stderr] 
Nov 28 12:02:21.909 INFO [stderr] warning: variant is never constructed: `Plus`
Nov 28 12:02:21.909 INFO [stderr]   --> src/token.rs:36:5
Nov 28 12:02:21.910 INFO [stderr]    |
Nov 28 12:02:21.910 INFO [stderr] 36 |     Plus,
Nov 28 12:02:21.910 INFO [stderr]    |     ^^^^
Nov 28 12:02:21.911 INFO [stderr] 
Nov 28 12:02:21.911 INFO [stderr] warning: variant is never constructed: `Minus`
Nov 28 12:02:21.911 INFO [stderr]   --> src/token.rs:37:5
Nov 28 12:02:21.911 INFO [stderr]    |
Nov 28 12:02:21.912 INFO [stderr] 37 |     Minus,
Nov 28 12:02:21.912 INFO [stderr]    |     ^^^^^
Nov 28 12:02:21.912 INFO [stderr] 
Nov 28 12:02:21.913 INFO [stderr] warning: variant is never constructed: `Bang`
Nov 28 12:02:21.913 INFO [stderr]   --> src/token.rs:38:5
Nov 28 12:02:21.913 INFO [stderr]    |
Nov 28 12:02:21.913 INFO [stderr] 38 |     Bang,
Nov 28 12:02:21.914 INFO [stderr]    |     ^^^^
Nov 28 12:02:21.914 INFO [stderr] 
Nov 28 12:02:21.914 INFO [stderr] warning: variant is never constructed: `Asterisk`
Nov 28 12:02:21.915 INFO [stderr]   --> src/token.rs:39:5
Nov 28 12:02:21.915 INFO [stderr]    |
Nov 28 12:02:21.915 INFO [stderr] 39 |     Asterisk,
Nov 28 12:02:21.915 INFO [stderr]    |     ^^^^^^^^
Nov 28 12:02:21.916 INFO [stderr] 
Nov 28 12:02:21.916 INFO [stderr] warning: variant is never constructed: `Slash`
Nov 28 12:02:21.916 INFO [stderr]   --> src/token.rs:40:5
Nov 28 12:02:21.917 INFO [stderr]    |
Nov 28 12:02:21.917 INFO [stderr] 40 |     Slash,
Nov 28 12:02:21.917 INFO [stderr]    |     ^^^^^
Nov 28 12:02:21.917 INFO [stderr] 
Nov 28 12:02:21.918 INFO [stderr] warning: variant is never constructed: `LT`
Nov 28 12:02:21.918 INFO [stderr]   --> src/token.rs:42:5
Nov 28 12:02:21.918 INFO [stderr]    |
Nov 28 12:02:21.919 INFO [stderr] 42 |     LT,
Nov 28 12:02:21.919 INFO [stderr]    |     ^^
Nov 28 12:02:21.919 INFO [stderr] 
Nov 28 12:02:21.919 INFO [stderr] warning: variant is never constructed: `GT`
Nov 28 12:02:21.920 INFO [stderr]   --> src/token.rs:43:5
Nov 28 12:02:21.920 INFO [stderr]    |
Nov 28 12:02:21.920 INFO [stderr] 43 |     GT,
Nov 28 12:02:21.921 INFO [stderr]    |     ^^
Nov 28 12:02:21.921 INFO [stderr] 
Nov 28 12:02:21.921 INFO [stderr] warning: variant is never constructed: `Equal`
Nov 28 12:02:21.921 INFO [stderr]   --> src/token.rs:44:5
Nov 28 12:02:21.922 INFO [stderr]    |
Nov 28 12:02:21.922 INFO [stderr] 44 |     Equal,
Nov 28 12:02:21.922 INFO [stderr]    |     ^^^^^
Nov 28 12:02:21.923 INFO [stderr] 
Nov 28 12:02:21.923 INFO [stderr] warning: variant is never constructed: `NotEqual`
Nov 28 12:02:21.923 INFO [stderr]   --> src/token.rs:45:5
Nov 28 12:02:21.923 INFO [stderr]    |
Nov 28 12:02:21.924 INFO [stderr] 45 |     NotEqual,
Nov 28 12:02:21.924 INFO [stderr]    |     ^^^^^^^^
Nov 28 12:02:21.924 INFO [stderr] 
Nov 28 12:02:21.925 INFO [stderr] warning: variant is never constructed: `Comma`
Nov 28 12:02:21.925 INFO [stderr]   --> src/token.rs:47:5
Nov 28 12:02:21.925 INFO [stderr]    |
Nov 28 12:02:21.926 INFO [stderr] 47 |     Comma,
Nov 28 12:02:21.926 INFO [stderr]    |     ^^^^^
Nov 28 12:02:21.926 INFO [stderr] 
Nov 28 12:02:21.926 INFO [stderr] warning: variant is never constructed: `Semicolon`
Nov 28 12:02:21.927 INFO [stderr]   --> src/token.rs:48:5
Nov 28 12:02:21.927 INFO [stderr]    |
Nov 28 12:02:21.927 INFO [stderr] 48 |     Semicolon,
Nov 28 12:02:21.928 INFO [stderr]    |     ^^^^^^^^^
Nov 28 12:02:21.928 INFO [stderr] 
Nov 28 12:02:21.928 INFO [stderr] warning: variant is never constructed: `Lparen`
Nov 28 12:02:21.928 INFO [stderr]   --> src/token.rs:50:5
Nov 28 12:02:21.929 INFO [stderr]    |
Nov 28 12:02:21.929 INFO [stderr] 50 |     Lparen,
Nov 28 12:02:21.929 INFO [stderr]    |     ^^^^^^
Nov 28 12:02:21.930 INFO [stderr] 
Nov 28 12:02:21.930 INFO [stderr] warning: variant is never constructed: `Rparen`
Nov 28 12:02:21.930 INFO [stderr]   --> src/token.rs:51:5
Nov 28 12:02:21.930 INFO [stderr]    |
Nov 28 12:02:21.931 INFO [stderr] 51 |     Rparen,
Nov 28 12:02:21.931 INFO [stderr]    |     ^^^^^^
Nov 28 12:02:21.931 INFO [stderr] 
Nov 28 12:02:21.931 INFO [stderr] warning: variant is never constructed: `Lbrace`
Nov 28 12:02:21.932 INFO [stderr]   --> src/token.rs:52:5
Nov 28 12:02:21.932 INFO [stderr]    |
Nov 28 12:02:21.933 INFO [stderr] 52 |     Lbrace,
Nov 28 12:02:21.933 INFO [stderr]    |     ^^^^^^
Nov 28 12:02:21.933 INFO [stderr] 
Nov 28 12:02:21.933 INFO [stderr] warning: variant is never constructed: `Rbrace`
Nov 28 12:02:21.933 INFO [stderr]   --> src/token.rs:53:5
Nov 28 12:02:21.934 INFO [stderr]    |
Nov 28 12:02:21.934 INFO [stderr] 53 |     Rbrace,
Nov 28 12:02:21.934 INFO [stderr]    |     ^^^^^^
Nov 28 12:02:21.935 INFO [stderr] 
Nov 28 12:02:21.935 INFO [stderr] warning: variant is never constructed: `Function`
Nov 28 12:02:21.935 INFO [stderr]   --> src/token.rs:55:5
Nov 28 12:02:21.935 INFO [stderr]    |
Nov 28 12:02:21.936 INFO [stderr] 55 |     Function,
Nov 28 12:02:21.936 INFO [stderr]    |     ^^^^^^^^
Nov 28 12:02:21.936 INFO [stderr] 
Nov 28 12:02:21.936 INFO [stderr] warning: variant is never constructed: `Let`
Nov 28 12:02:21.937 INFO [stderr]   --> src/token.rs:56:5
Nov 28 12:02:21.937 INFO [stderr]    |
Nov 28 12:02:21.937 INFO [stderr] 56 |     Let,
Nov 28 12:02:21.937 INFO [stderr]    |     ^^^
Nov 28 12:02:21.938 INFO [stderr] 
Nov 28 12:02:21.938 INFO [stderr] warning: variant is never constructed: `True`
Nov 28 12:02:21.938 INFO [stderr]   --> src/token.rs:57:5
Nov 28 12:02:21.938 INFO [stderr]    |
Nov 28 12:02:21.939 INFO [stderr] 57 |     True,
Nov 28 12:02:21.939 INFO [stderr]    |     ^^^^
Nov 28 12:02:21.939 INFO [stderr] 
Nov 28 12:02:21.939 INFO [stderr] warning: variant is never constructed: `False`
Nov 28 12:02:21.940 INFO [stderr]   --> src/token.rs:58:5
Nov 28 12:02:21.940 INFO [stderr]    |
Nov 28 12:02:21.940 INFO [stderr] 58 |     False,
Nov 28 12:02:21.940 INFO [stderr]    |     ^^^^^
Nov 28 12:02:21.941 INFO [stderr] 
Nov 28 12:02:21.941 INFO [stderr] warning: variant is never constructed: `If`
Nov 28 12:02:21.941 INFO [stderr]   --> src/token.rs:59:5
Nov 28 12:02:21.941 INFO [stderr]    |
Nov 28 12:02:21.942 INFO [stderr] 59 |     If,
Nov 28 12:02:21.942 INFO [stderr]    |     ^^
Nov 28 12:02:21.942 INFO [stderr] 
Nov 28 12:02:21.943 INFO [stderr] warning: variant is never constructed: `Else`
Nov 28 12:02:21.943 INFO [stderr]   --> src/token.rs:60:5
Nov 28 12:02:21.943 INFO [stderr]    |
Nov 28 12:02:21.943 INFO [stderr] 60 |     Else,
Nov 28 12:02:21.944 INFO [stderr]    |     ^^^^
Nov 28 12:02:21.944 INFO [stderr] 
Nov 28 12:02:21.944 INFO [stderr] warning: variant is never constructed: `Return`
Nov 28 12:02:21.945 INFO [stderr]   --> src/token.rs:61:5
Nov 28 12:02:21.945 INFO [stderr]    |
Nov 28 12:02:21.945 INFO [stderr] 61 |     Return,
Nov 28 12:02:21.945 INFO [stderr]    |     ^^^^^^
Nov 28 12:02:21.946 INFO [stderr] 
Nov 28 12:02:21.946 INFO [stderr] warning: function is never used: `lookup_ident`
Nov 28 12:02:21.946 INFO [stderr]   --> src/token.rs:77:1
Nov 28 12:02:21.947 INFO [stderr]    |
Nov 28 12:02:21.947 INFO [stderr] 77 | pub fn lookup_ident(ident: &str) -> TokenType {
Nov 28 12:02:21.947 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:02:21.947 INFO [stderr] 
Nov 28 12:02:21.948 INFO [stderr] warning: constant item is never used: `ZERO_CHAR`
Nov 28 12:02:21.948 INFO [stderr]  --> src/lexer.rs:3:1
Nov 28 12:02:21.948 INFO [stderr]   |
Nov 28 12:02:21.949 INFO [stderr] 3 | const ZERO_CHAR:char = 0u8 as char;
Nov 28 12:02:21.949 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:02:21.949 INFO [stderr] 
Nov 28 12:02:21.950 INFO [stderr] warning: function is never used: `is_letter`
Nov 28 12:02:21.950 INFO [stderr]  --> src/lexer.rs:5:1
Nov 28 12:02:21.950 INFO [stderr]   |
Nov 28 12:02:21.950 INFO [stderr] 5 | fn is_letter(ch: char) -> bool {
Nov 28 12:02:21.951 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:02:21.951 INFO [stderr] 
Nov 28 12:02:21.951 INFO [stderr] warning: function is never used: `is_digit`
Nov 28 12:02:21.952 INFO [stderr]  --> src/lexer.rs:9:1
Nov 28 12:02:21.952 INFO [stderr]   |
Nov 28 12:02:21.952 INFO [stderr] 9 | fn is_digit(ch: char) -> bool {
Nov 28 12:02:21.953 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:02:21.953 INFO [stderr] 
Nov 28 12:02:21.953 INFO [stderr] warning: struct is never constructed: `Lexer`
Nov 28 12:02:21.953 INFO [stderr]   --> src/lexer.rs:13:1
Nov 28 12:02:21.954 INFO [stderr]    |
Nov 28 12:02:21.954 INFO [stderr] 13 | pub struct Lexer {
Nov 28 12:02:21.954 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Nov 28 12:02:21.955 INFO [stderr] 
Nov 28 12:02:21.955 INFO [stderr] warning: method is never used: `new`
Nov 28 12:02:21.955 INFO [stderr]   --> src/lexer.rs:21:5
Nov 28 12:02:21.956 INFO [stderr]    |
Nov 28 12:02:21.956 INFO [stderr] 21 |     pub fn new(input: &str) -> Lexer {
Nov 28 12:02:21.956 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:02:21.956 INFO [stderr] 
Nov 28 12:02:21.957 INFO [stderr] warning: method is never used: `read_char`
Nov 28 12:02:21.957 INFO [stderr]   --> src/lexer.rs:34:5
Nov 28 12:02:21.957 INFO [stderr]    |
Nov 28 12:02:21.957 INFO [stderr] 34 |     fn read_char(&mut self) {
Nov 28 12:02:21.958 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:02:21.958 INFO [stderr] 
Nov 28 12:02:21.958 INFO [stderr] warning: method is never used: `read_number`
Nov 28 12:02:21.958 INFO [stderr]   --> src/lexer.rs:45:5
Nov 28 12:02:21.959 INFO [stderr]    |
Nov 28 12:02:21.959 INFO [stderr] 45 |     fn read_number(&mut self) -> String {
Nov 28 12:02:21.959 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:02:21.959 INFO [stderr] 
Nov 28 12:02:21.960 INFO [stderr] warning: method is never used: `read_identifier`
Nov 28 12:02:21.960 INFO [stderr]   --> src/lexer.rs:59:5
Nov 28 12:02:21.960 INFO [stderr]    |
Nov 28 12:02:21.961 INFO [stderr] 59 |     fn read_identifier(&mut self) -> String {
Nov 28 12:02:21.961 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:02:21.961 INFO [stderr] 
Nov 28 12:02:21.962 INFO [stderr] warning: method is never used: `peek_char`
Nov 28 12:02:21.962 INFO [stderr]   --> src/lexer.rs:72:5
Nov 28 12:02:21.962 INFO [stderr]    |
Nov 28 12:02:21.962 INFO [stderr] 72 |     fn peek_char(&self) -> char {
Nov 28 12:02:21.963 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:02:21.963 INFO [stderr] 
Nov 28 12:02:21.963 INFO [stderr] warning: method is never used: `next_token`
Nov 28 12:02:21.964 INFO [stderr]   --> src/lexer.rs:80:5
Nov 28 12:02:21.964 INFO [stderr]    |
Nov 28 12:02:21.964 INFO [stderr] 80 |     pub fn next_token(&mut self) -> Token {
Nov 28 12:02:21.964 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:02:21.965 INFO [stderr] 
Nov 28 12:02:21.965 INFO [stderr] warning: method is never used: `skip_whitespace`
Nov 28 12:02:21.965 INFO [stderr]    --> src/lexer.rs:143:5
Nov 28 12:02:21.965 INFO [stderr]     |
Nov 28 12:02:21.966 INFO [stderr] 143 |     fn skip_whitespace(&mut self) {
Nov 28 12:02:21.966 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:02:21.966 INFO [stderr] 
Nov 28 12:02:21.966 INFO [stderr] warning: struct is never constructed: `Identifier`
Nov 28 12:02:21.967 INFO [stderr]  --> src/ast.rs:3:1
Nov 28 12:02:21.967 INFO [stderr]   |
Nov 28 12:02:21.967 INFO [stderr] 3 | pub struct Identifier {
Nov 28 12:02:21.967 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:02:21.968 INFO [stderr] 
Nov 28 12:02:21.968 INFO [stderr] warning: method is never used: `new`
Nov 28 12:02:21.968 INFO [stderr]  --> src/ast.rs:9:5
Nov 28 12:02:21.968 INFO [stderr]   |
Nov 28 12:02:21.969 INFO [stderr] 9 |     pub fn new(tok: Token, val: &str) -> Identifier {
Nov 28 12:02:21.969 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:02:21.969 INFO [stderr] 
Nov 28 12:02:21.969 INFO [stderr] warning: method is never used: `token_literal`
Nov 28 12:02:21.969 INFO [stderr]   --> src/ast.rs:16:5
Nov 28 12:02:21.970 INFO [stderr]    |
Nov 28 12:02:21.970 INFO [stderr] 16 |     pub fn token_literal(&self) -> &str {
Nov 28 12:02:21.970 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:02:21.970 INFO [stderr] 
Nov 28 12:02:21.971 INFO [stderr] warning: variant is never constructed: `Let`
Nov 28 12:02:21.971 INFO [stderr]   --> src/ast.rs:28:5
Nov 28 12:02:21.971 INFO [stderr]    |
Nov 28 12:02:21.971 INFO [stderr] 28 |     Let(Identifier, Expression),
Nov 28 12:02:21.972 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:02:21.972 INFO [stderr] 
Nov 28 12:02:21.972 INFO [stderr] warning: variant is never constructed: `Return`
Nov 28 12:02:21.973 INFO [stderr]   --> src/ast.rs:29:5
Nov 28 12:02:21.973 INFO [stderr]    |
Nov 28 12:02:21.973 INFO [stderr] 29 |     Return(Expression),
Nov 28 12:02:21.973 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Nov 28 12:02:21.974 INFO [stderr] 
Nov 28 12:02:21.974 INFO [stderr] warning: variant is never constructed: `Expression`
Nov 28 12:02:21.974 INFO [stderr]   --> src/ast.rs:30:5
Nov 28 12:02:21.975 INFO [stderr]    |
Nov 28 12:02:21.975 INFO [stderr] 30 |     Expression(Expression),
Nov 28 12:02:21.975 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:02:21.976 INFO [stderr] 
Nov 28 12:02:21.976 INFO [stderr] warning: enum is never used: `Expression`
Nov 28 12:02:21.976 INFO [stderr]   --> src/ast.rs:65:1
Nov 28 12:02:21.976 INFO [stderr]    |
Nov 28 12:02:21.977 INFO [stderr] 65 | pub enum Expression {
Nov 28 12:02:21.977 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^
Nov 28 12:02:21.977 INFO [stderr] 
Nov 28 12:02:21.978 INFO [stderr] warning: enum is never used: `Literal`
Nov 28 12:02:21.978 INFO [stderr]   --> src/ast.rs:82:1
Nov 28 12:02:21.978 INFO [stderr]    |
Nov 28 12:02:21.978 INFO [stderr] 82 | pub enum Literal {
Nov 28 12:02:21.979 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Nov 28 12:02:21.979 INFO [stderr] 
Nov 28 12:02:21.979 INFO [stderr] warning: struct is never constructed: `Program`
Nov 28 12:02:21.980 INFO [stderr]    --> src/ast.rs:100:1
Nov 28 12:02:21.980 INFO [stderr]     |
Nov 28 12:02:21.980 INFO [stderr] 100 | pub struct Program {
Nov 28 12:02:21.981 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^
Nov 28 12:02:21.981 INFO [stderr] 
Nov 28 12:02:21.981 INFO [stderr] warning: method is never used: `new`
Nov 28 12:02:21.982 INFO [stderr]    --> src/ast.rs:105:5
Nov 28 12:02:21.982 INFO [stderr]     |
Nov 28 12:02:21.982 INFO [stderr] 105 |     pub fn new() -> Program {
Nov 28 12:02:21.983 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:02:21.983 INFO [stderr] 
Nov 28 12:02:21.983 INFO [stderr] warning: method is never used: `token_literal`
Nov 28 12:02:21.983 INFO [stderr]    --> src/ast.rs:111:5
Nov 28 12:02:21.984 INFO [stderr]     |
Nov 28 12:02:21.984 INFO [stderr] 111 |     pub fn token_literal(&self) -> String {
Nov 28 12:02:21.984 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:02:21.985 INFO [stderr] 
Nov 28 12:02:21.985 INFO [stderr] warning: struct is never constructed: `Parser`
Nov 28 12:02:21.985 INFO [stderr]  --> src/parser.rs:5:1
Nov 28 12:02:21.986 INFO [stderr]   |
Nov 28 12:02:21.986 INFO [stderr] 5 | struct Parser {
Nov 28 12:02:21.986 INFO [stderr]   | ^^^^^^^^^^^^^
Nov 28 12:02:21.986 INFO [stderr] 
Nov 28 12:02:21.987 INFO [stderr] warning: method is never used: `new`
Nov 28 12:02:21.987 INFO [stderr]   --> src/parser.rs:15:5
Nov 28 12:02:21.987 INFO [stderr]    |
Nov 28 12:02:21.988 INFO [stderr] 15 |     pub fn new(lexer: Lexer) -> Parser {
Nov 28 12:02:21.988 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:02:21.988 INFO [stderr] 
Nov 28 12:02:21.989 INFO [stderr] warning: method is never used: `errors`
Nov 28 12:02:21.989 INFO [stderr]   --> src/parser.rs:29:5
Nov 28 12:02:21.989 INFO [stderr]    |
Nov 28 12:02:21.989 INFO [stderr] 29 |     fn errors(&self) -> &Vec<String> {
Nov 28 12:02:21.990 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:02:21.990 INFO [stderr] 
Nov 28 12:02:21.990 INFO [stderr] warning: method is never used: `peek_error`
Nov 28 12:02:21.991 INFO [stderr]   --> src/parser.rs:33:5
Nov 28 12:02:21.991 INFO [stderr]    |
Nov 28 12:02:21.991 INFO [stderr] 33 |     fn peek_error(&mut self, typ: &TokenType) {
Nov 28 12:02:21.991 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:02:21.992 INFO [stderr] 
Nov 28 12:02:21.992 INFO [stderr] warning: method is never used: `next_token`
Nov 28 12:02:21.992 INFO [stderr]   --> src/parser.rs:37:5
Nov 28 12:02:21.993 INFO [stderr]    |
Nov 28 12:02:21.993 INFO [stderr] 37 |     fn next_token(&mut self) {
Nov 28 12:02:21.993 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:02:21.994 INFO [stderr] 
Nov 28 12:02:21.994 INFO [stderr] warning: method is never used: `parse_program`
Nov 28 12:02:21.994 INFO [stderr]   --> src/parser.rs:43:5
Nov 28 12:02:21.994 INFO [stderr]    |
Nov 28 12:02:21.995 INFO [stderr] 43 |     fn parse_program(&mut self) -> Result<ast::Program, String> {
Nov 28 12:02:21.995 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:02:21.995 INFO [stderr] 
Nov 28 12:02:21.996 INFO [stderr] warning: method is never used: `parse_statement`
Nov 28 12:02:21.996 INFO [stderr]   --> src/parser.rs:56:5
Nov 28 12:02:21.996 INFO [stderr]    |
Nov 28 12:02:21.997 INFO [stderr] 56 |     fn parse_statement(&mut self) -> Option<ast::Statement> {
Nov 28 12:02:21.997 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:02:21.997 INFO [stderr] 
Nov 28 12:02:21.997 INFO [stderr] warning: method is never used: `parse_let_statement`
Nov 28 12:02:21.998 INFO [stderr]   --> src/parser.rs:64:5
Nov 28 12:02:21.998 INFO [stderr]    |
Nov 28 12:02:21.998 INFO [stderr] 64 |     fn parse_let_statement(&mut self) -> Option<ast::Statement> {
Nov 28 12:02:21.999 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:02:21.999 INFO [stderr] 
Nov 28 12:02:21.999 INFO [stderr] warning: method is never used: `parse_return_statement`
Nov 28 12:02:21.999 INFO [stderr]   --> src/parser.rs:93:5
Nov 28 12:02:22.000 INFO [stderr]    |
Nov 28 12:02:22.000 INFO [stderr] 93 |     fn parse_return_statement(&mut self) -> Option<ast::Statement> {
Nov 28 12:02:22.000 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:02:22.001 INFO [stderr] 
Nov 28 12:02:22.001 INFO [stderr] warning: method is never used: `cur_token_is`
Nov 28 12:02:22.001 INFO [stderr]    --> src/parser.rs:108:5
Nov 28 12:02:22.002 INFO [stderr]     |
Nov 28 12:02:22.002 INFO [stderr] 108 |     fn cur_token_is(&self, typ: TokenType) -> bool {
Nov 28 12:02:22.002 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:02:22.003 INFO [stderr] 
Nov 28 12:02:22.003 INFO [stderr] warning: method is never used: `peek_token_is`
Nov 28 12:02:22.003 INFO [stderr]    --> src/parser.rs:112:5
Nov 28 12:02:22.003 INFO [stderr]     |
Nov 28 12:02:22.004 INFO [stderr] 112 |     fn peek_token_is(&self, typ: &TokenType) -> bool {
Nov 28 12:02:22.004 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:02:22.004 INFO [stderr] 
Nov 28 12:02:22.005 INFO [stderr] warning: method is never used: `expect_peek`
Nov 28 12:02:22.005 INFO [stderr]    --> src/parser.rs:116:5
Nov 28 12:02:22.005 INFO [stderr]     |
Nov 28 12:02:22.006 INFO [stderr] 116 |     fn expect_peek(&mut self, typ: TokenType) -> bool {
Nov 28 12:02:22.006 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:02:22.006 INFO [stderr] 
Nov 28 12:02:22.006 INFO [stderr] warning: variable `_Illegal` should have a snake case name such as `_illegal`
Nov 28 12:02:22.007 INFO [stderr]   --> src/token.rs:67:13
Nov 28 12:02:22.007 INFO [stderr]    |
Nov 28 12:02:22.007 INFO [stderr] 67 |             _Illegal => "Illegal",
Nov 28 12:02:22.008 INFO [stderr]    |             ^^^^^^^^
Nov 28 12:02:22.008 INFO [stderr]    |
Nov 28 12:02:22.008 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Nov 28 12:02:22.009 INFO [stderr] 
Nov 28 12:02:22.009 INFO [stderr] warning: variable `_EOF` should have a snake case name such as `_eof`
Nov 28 12:02:22.009 INFO [stderr]   --> src/token.rs:68:13
Nov 28 12:02:22.009 INFO [stderr]    |
Nov 28 12:02:22.010 INFO [stderr] 68 |             _EOF => "EOF",
Nov 28 12:02:22.010 INFO [stderr]    |             ^^^^
Nov 28 12:02:22.010 INFO [stderr] 
Nov 28 12:02:22.011 INFO [stderr] warning: variable `_Ident` should have a snake case name such as `_ident`
Nov 28 12:02:22.011 INFO [stderr]   --> src/token.rs:69:13
Nov 28 12:02:22.011 INFO [stderr]    |
Nov 28 12:02:22.011 INFO [stderr] 69 |             _Ident => "Ident",
Nov 28 12:02:22.012 INFO [stderr]    |             ^^^^^^
Nov 28 12:02:22.012 INFO [stderr] 
Nov 28 12:02:22.119 INFO [stderr] warning: unreachable pattern
Nov 28 12:02:22.119 INFO [stderr]   --> src/token.rs:68:13
Nov 28 12:02:22.119 INFO [stderr]    |
Nov 28 12:02:22.119 INFO [stderr] 67 |             _Illegal => "Illegal",
Nov 28 12:02:22.119 INFO [stderr]    |             -------- matches any value
Nov 28 12:02:22.119 INFO [stderr] 68 |             _EOF => "EOF",
Nov 28 12:02:22.119 INFO [stderr]    |             ^^^^ unreachable pattern
Nov 28 12:02:22.119 INFO [stderr]    |
Nov 28 12:02:22.119 INFO [stderr]    = note: #[warn(unreachable_patterns)] on by default
Nov 28 12:02:22.119 INFO [stderr] 
Nov 28 12:02:22.124 INFO [stderr] warning: unreachable pattern
Nov 28 12:02:22.124 INFO [stderr]   --> src/token.rs:69:13
Nov 28 12:02:22.124 INFO [stderr]    |
Nov 28 12:02:22.124 INFO [stderr] 67 |             _Illegal => "Illegal",
Nov 28 12:02:22.124 INFO [stderr]    |             -------- matches any value
Nov 28 12:02:22.124 INFO [stderr] 68 |             _EOF => "EOF",
Nov 28 12:02:22.124 INFO [stderr] 69 |             _Ident => "Ident",
Nov 28 12:02:22.124 INFO [stderr]    |             ^^^^^^ unreachable pattern
Nov 28 12:02:22.124 INFO [stderr] 
Nov 28 12:02:22.124 INFO [stderr] warning: unreachable pattern
Nov 28 12:02:22.124 INFO [stderr]   --> src/token.rs:70:13
Nov 28 12:02:22.124 INFO [stderr]    |
Nov 28 12:02:22.124 INFO [stderr] 67 |             _Illegal => "Illegal",
Nov 28 12:02:22.124 INFO [stderr]    |             -------- matches any value
Nov 28 12:02:22.124 INFO [stderr] ...
Nov 28 12:02:22.124 INFO [stderr] 70 |             _ => "Unimplemented!"
Nov 28 12:02:22.124 INFO [stderr]    |             ^ unreachable pattern
Nov 28 12:02:22.124 INFO [stderr] 
Nov 28 12:02:22.236 INFO [stderr] warning: variant is never constructed: `Expression`
Nov 28 12:02:22.236 INFO [stderr]   --> src/ast.rs:30:5
Nov 28 12:02:22.236 INFO [stderr]    |
Nov 28 12:02:22.236 INFO [stderr] 30 |     Expression(Expression),
Nov 28 12:02:22.236 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:02:22.236 INFO [stderr]    |
Nov 28 12:02:22.236 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 12:02:22.236 INFO [stderr] 
Nov 28 12:02:22.236 INFO [stderr] warning: variant is never constructed: `Literal`
Nov 28 12:02:22.236 INFO [stderr]   --> src/ast.rs:67:5
Nov 28 12:02:22.236 INFO [stderr]    |
Nov 28 12:02:22.236 INFO [stderr] 67 |     Literal(Literal),
Nov 28 12:02:22.236 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Nov 28 12:02:22.236 INFO [stderr] 
Nov 28 12:02:22.236 INFO [stderr] warning: variant is never constructed: `Int`
Nov 28 12:02:22.236 INFO [stderr]   --> src/ast.rs:83:5
Nov 28 12:02:22.236 INFO [stderr]    |
Nov 28 12:02:22.236 INFO [stderr] 83 |     Int(i32),
Nov 28 12:02:22.236 INFO [stderr]    |     ^^^^^^^^
Nov 28 12:02:22.236 INFO [stderr] 
Nov 28 12:02:22.239 INFO [stderr] warning: variant is never constructed: `String`
Nov 28 12:02:22.239 INFO [stderr]   --> src/ast.rs:84:5
Nov 28 12:02:22.239 INFO [stderr]    |
Nov 28 12:02:22.239 INFO [stderr] 84 |     String(String),
Nov 28 12:02:22.239 INFO [stderr]    |     ^^^^^^^^^^^^^^
Nov 28 12:02:22.239 INFO [stderr] 
Nov 28 12:02:22.239 INFO [stderr] warning: variant is never constructed: `Bool`
Nov 28 12:02:22.239 INFO [stderr]   --> src/ast.rs:85:5
Nov 28 12:02:22.239 INFO [stderr]    |
Nov 28 12:02:22.239 INFO [stderr] 85 |     Bool(bool)
Nov 28 12:02:22.239 INFO [stderr]    |     ^^^^^^^^^^
Nov 28 12:02:22.239 INFO [stderr] 
Nov 28 12:02:22.239 INFO [stderr] warning: method is never used: `token_literal`
Nov 28 12:02:22.239 INFO [stderr]    --> src/ast.rs:111:5
Nov 28 12:02:22.239 INFO [stderr]     |
Nov 28 12:02:22.240 INFO [stderr] 111 |     pub fn token_literal(&self) -> String {
Nov 28 12:02:22.240 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:02:22.240 INFO [stderr] 
Nov 28 12:02:22.240 INFO [stderr] warning: method is never used: `errors`
Nov 28 12:02:22.240 INFO [stderr]   --> src/parser.rs:29:5
Nov 28 12:02:22.240 INFO [stderr]    |
Nov 28 12:02:22.240 INFO [stderr] 29 |     fn errors(&self) -> &Vec<String> {
Nov 28 12:02:22.240 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:02:22.240 INFO [stderr] 
Nov 28 12:02:22.248 INFO [stderr] warning: variable `_Illegal` should have a snake case name such as `_illegal`
Nov 28 12:02:22.248 INFO [stderr]   --> src/token.rs:67:13
Nov 28 12:02:22.248 INFO [stderr]    |
Nov 28 12:02:22.248 INFO [stderr] 67 |             _Illegal => "Illegal",
Nov 28 12:02:22.248 INFO [stderr]    |             ^^^^^^^^
Nov 28 12:02:22.248 INFO [stderr]    |
Nov 28 12:02:22.248 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Nov 28 12:02:22.248 INFO [stderr] 
Nov 28 12:02:22.248 INFO [stderr] warning: variable `_EOF` should have a snake case name such as `_eof`
Nov 28 12:02:22.248 INFO [stderr]   --> src/token.rs:68:13
Nov 28 12:02:22.248 INFO [stderr]    |
Nov 28 12:02:22.248 INFO [stderr] 68 |             _EOF => "EOF",
Nov 28 12:02:22.248 INFO [stderr]    |             ^^^^
Nov 28 12:02:22.248 INFO [stderr] 
Nov 28 12:02:22.248 INFO [stderr] warning: variable `_Ident` should have a snake case name such as `_ident`
Nov 28 12:02:22.248 INFO [stderr]   --> src/token.rs:69:13
Nov 28 12:02:22.248 INFO [stderr]    |
Nov 28 12:02:22.248 INFO [stderr] 69 |             _Ident => "Ident",
Nov 28 12:02:22.248 INFO [stderr]    |             ^^^^^^
Nov 28 12:02:22.248 INFO [stderr] 
Nov 28 12:02:22.296 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
Nov 28 12:02:22.297 INFO [stderr] su: No module specific data is present
Nov 28 12:02:22.714 INFO running `"docker" "inspect" "c42af80354c04850c656c071f5bd013b11363bc61fe592e1555c76b554abb53b"`
Nov 28 12:02:23.041 INFO running `"docker" "rm" "-f" "c42af80354c04850c656c071f5bd013b11363bc61fe592e1555c76b554abb53b"`
Nov 28 12:02:23.411 INFO [stdout] c42af80354c04850c656c071f5bd013b11363bc61fe592e1555c76b554abb53b