[INFO] cloning repository https://github.com/strangelovephd/rusty_interpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/strangelovephd/rusty_interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstrangelovephd%2Frusty_interpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstrangelovephd%2Frusty_interpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 422e6cf00cb9681f0b308a4a7c977f7d1bd733e2
[INFO] testing strangelovephd/rusty_interpreter against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstrangelovephd%2Frusty_interpreter" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/strangelovephd/rusty_interpreter on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/strangelovephd/rusty_interpreter
[INFO] finished tweaking git repo https://github.com/strangelovephd/rusty_interpreter
[INFO] tweaked toml for git repo https://github.com/strangelovephd/rusty_interpreter written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/strangelovephd/rusty_interpreter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 745cb91a192b1d49352e79a0d2ba2486c5190161b6b63c74f35ff869625db550
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "745cb91a192b1d49352e79a0d2ba2486c5190161b6b63c74f35ff869625db550", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "745cb91a192b1d49352e79a0d2ba2486c5190161b6b63c74f35ff869625db550", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "745cb91a192b1d49352e79a0d2ba2486c5190161b6b63c74f35ff869625db550", kill_on_drop: false }`
[INFO] [stdout] 745cb91a192b1d49352e79a0d2ba2486c5190161b6b63c74f35ff869625db550
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cfd48deef3e4c86704b7160705b2d3beae08c354b83b018ae447ad6daf9c43a5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cfd48deef3e4c86704b7160705b2d3beae08c354b83b018ae447ad6daf9c43a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling rusty_interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `LexerError`
[INFO] [stdout]  --> src/token.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct LexerError {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Illegal`
[INFO] [stdout]   --> src/token.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Illegal(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `IllegalIdent`
[INFO] [stdout]   --> src/token.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     IllegalIdent(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Ident`
[INFO] [stdout]   --> src/token.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     Ident(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Int`
[INFO] [stdout]   --> src/token.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Int(i32),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `look_up_token`
[INFO] [stdout]   --> src/token.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub fn look_up_token(tok: &str) -> Option<TokenType> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/token.rs:78:12
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn new(tt: TokenType, lit: String) -> Token {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `look_up_keyword`
[INFO] [stdout]    --> src/token.rs:101:8
[INFO] [stdout]     |
[INFO] [stdout] 101 | pub fn look_up_keyword(kw: &str) -> Option<Keyword> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ILLEGAL`
[INFO] [stdout]    --> src/token.rs:109:5
[INFO] [stdout]     |
[INFO] [stdout] 109 |     pub const ILLEGAL: &str = "ILLEGAL";
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `EOF`
[INFO] [stdout]    --> src/token.rs:110:5
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub const EOF: &str = "EOF";
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `IDENT`
[INFO] [stdout]    --> src/token.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout] 113 |     pub const IDENT: &str = "IDENT";
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `INT`
[INFO] [stdout]    --> src/token.rs:114:5
[INFO] [stdout]     |
[INFO] [stdout] 114 |     pub const INT: &str = "INT";
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ASSIGN`
[INFO] [stdout]    --> src/token.rs:117:5
[INFO] [stdout]     |
[INFO] [stdout] 117 |     pub const ASSIGN: &str = "=";
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PLUS`
[INFO] [stdout]    --> src/token.rs:118:5
[INFO] [stdout]     |
[INFO] [stdout] 118 |     pub const PLUS: &str = "+";
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `COMMA`
[INFO] [stdout]    --> src/token.rs:121:5
[INFO] [stdout]     |
[INFO] [stdout] 121 |     pub const COMMA: &str = ",";
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SEMICOLON`
[INFO] [stdout]    --> src/token.rs:122:5
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub const SEMICOLON: &str = ";";
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `LPAREN`
[INFO] [stdout]    --> src/token.rs:125:5
[INFO] [stdout]     |
[INFO] [stdout] 125 |     pub const LPAREN: &str = "(";
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `RPAREN`
[INFO] [stdout]    --> src/token.rs:126:5
[INFO] [stdout]     |
[INFO] [stdout] 126 |     pub const RPAREN: &str = ")";
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `LBRACE`
[INFO] [stdout]    --> src/token.rs:127:5
[INFO] [stdout]     |
[INFO] [stdout] 127 |     pub const LBRACE: &str = "{";
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `RBRACE`
[INFO] [stdout]    --> src/token.rs:128:5
[INFO] [stdout]     |
[INFO] [stdout] 128 |     pub const RBRACE: &str = "}";
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `FUNCTION`
[INFO] [stdout]    --> src/token.rs:131:5
[INFO] [stdout]     |
[INFO] [stdout] 131 |     pub const FUNCTION: &str = "FUNCTION";
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `LET`
[INFO] [stdout]    --> src/token.rs:132:5
[INFO] [stdout]     |
[INFO] [stdout] 132 |     pub const LET: &str = "LET";
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Lexer`
[INFO] [stdout]  --> src/lexer.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Lexer {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/lexer.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn new(i: Vec<u8>) -> Lexer {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_char`
[INFO] [stdout]   --> src/lexer.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn read_char(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next_token`
[INFO] [stdout]   --> src/lexer.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn next_token(&mut self) -> TokenType {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_letter`
[INFO] [stdout]    --> src/lexer.rs:104:8
[INFO] [stdout]     |
[INFO] [stdout] 104 |     fn is_letter(ch: &u8) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_char`
[INFO] [stdout]    --> src/lexer.rs:109:8
[INFO] [stdout]     |
[INFO] [stdout] 109 |     fn is_char(ch: &char) -> bool {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_identifier`
[INFO] [stdout]    --> src/lexer.rs:113:8
[INFO] [stdout]     |
[INFO] [stdout] 113 |     fn read_identifier(&mut self) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `skip_whitespace`
[INFO] [stdout]    --> src/lexer.rs:124:8
[INFO] [stdout]     |
[INFO] [stdout] 124 |     fn skip_whitespace(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_number`
[INFO] [stdout]    --> src/lexer.rs:131:8
[INFO] [stdout]     |
[INFO] [stdout] 131 |     fn read_number(&mut self) -> i32 {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_digit`
[INFO] [stdout]    --> src/lexer.rs:146:8
[INFO] [stdout]     |
[INFO] [stdout] 146 |     fn is_digit(byte: &char) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 32 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "cfd48deef3e4c86704b7160705b2d3beae08c354b83b018ae447ad6daf9c43a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfd48deef3e4c86704b7160705b2d3beae08c354b83b018ae447ad6daf9c43a5", kill_on_drop: false }`
[INFO] [stdout] cfd48deef3e4c86704b7160705b2d3beae08c354b83b018ae447ad6daf9c43a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0bea0db6ed47c4401ac90b115025ddd369b282940af7ce9c2014e43f2bc163ca
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0bea0db6ed47c4401ac90b115025ddd369b282940af7ce9c2014e43f2bc163ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling rusty_interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `tests`
[INFO] [stdout]    --> src/token.rs:140:13
[INFO] [stdout]     |
[INFO] [stdout] 140 |         let tests: Vec<&str> = vec![
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_tests`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `LexerError`
[INFO] [stdout]  --> src/token.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct LexerError {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `IllegalIdent`
[INFO] [stdout]   --> src/token.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     IllegalIdent(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ILLEGAL`
[INFO] [stdout]    --> src/token.rs:109:5
[INFO] [stdout]     |
[INFO] [stdout] 109 |     pub const ILLEGAL: &str = "ILLEGAL";
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `EOF`
[INFO] [stdout]    --> src/token.rs:110:5
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub const EOF: &str = "EOF";
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `IDENT`
[INFO] [stdout]    --> src/token.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout] 113 |     pub const IDENT: &str = "IDENT";
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `INT`
[INFO] [stdout]    --> src/token.rs:114:5
[INFO] [stdout]     |
[INFO] [stdout] 114 |     pub const INT: &str = "INT";
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ASSIGN`
[INFO] [stdout]    --> src/token.rs:117:5
[INFO] [stdout]     |
[INFO] [stdout] 117 |     pub const ASSIGN: &str = "=";
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PLUS`
[INFO] [stdout]    --> src/token.rs:118:5
[INFO] [stdout]     |
[INFO] [stdout] 118 |     pub const PLUS: &str = "+";
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `COMMA`
[INFO] [stdout]    --> src/token.rs:121:5
[INFO] [stdout]     |
[INFO] [stdout] 121 |     pub const COMMA: &str = ",";
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SEMICOLON`
[INFO] [stdout]    --> src/token.rs:122:5
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub const SEMICOLON: &str = ";";
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `LPAREN`
[INFO] [stdout]    --> src/token.rs:125:5
[INFO] [stdout]     |
[INFO] [stdout] 125 |     pub const LPAREN: &str = "(";
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `RPAREN`
[INFO] [stdout]    --> src/token.rs:126:5
[INFO] [stdout]     |
[INFO] [stdout] 126 |     pub const RPAREN: &str = ")";
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `LBRACE`
[INFO] [stdout]    --> src/token.rs:127:5
[INFO] [stdout]     |
[INFO] [stdout] 127 |     pub const LBRACE: &str = "{";
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `RBRACE`
[INFO] [stdout]    --> src/token.rs:128:5
[INFO] [stdout]     |
[INFO] [stdout] 128 |     pub const RBRACE: &str = "}";
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `FUNCTION`
[INFO] [stdout]    --> src/token.rs:131:5
[INFO] [stdout]     |
[INFO] [stdout] 131 |     pub const FUNCTION: &str = "FUNCTION";
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `LET`
[INFO] [stdout]    --> src/token.rs:132:5
[INFO] [stdout]     |
[INFO] [stdout] 132 |     pub const LET: &str = "LET";
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_letter`
[INFO] [stdout]    --> src/lexer.rs:104:8
[INFO] [stdout]     |
[INFO] [stdout] 104 |     fn is_letter(ch: &u8) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.57s
[INFO] running `Command { std: "docker" "inspect" "0bea0db6ed47c4401ac90b115025ddd369b282940af7ce9c2014e43f2bc163ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bea0db6ed47c4401ac90b115025ddd369b282940af7ce9c2014e43f2bc163ca", kill_on_drop: false }`
[INFO] [stdout] 0bea0db6ed47c4401ac90b115025ddd369b282940af7ce9c2014e43f2bc163ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] efe8a4ce0df8af8bf19524afdfd2dfe6484799ea0d3a5b2b6e6521cdbf281df0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "efe8a4ce0df8af8bf19524afdfd2dfe6484799ea0d3a5b2b6e6521cdbf281df0", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `tests`
[INFO] [stderr]    --> src/token.rs:140:13
[INFO] [stderr]     |
[INFO] [stderr] 140 |         let tests: Vec<&str> = vec![
[INFO] [stderr]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_tests`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `LexerError`
[INFO] [stderr]  --> src/token.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct LexerError {
[INFO] [stderr]   |            ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `IllegalIdent`
[INFO] [stderr]   --> src/token.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     IllegalIdent(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `ILLEGAL`
[INFO] [stderr]    --> src/token.rs:109:5
[INFO] [stderr]     |
[INFO] [stderr] 109 |     pub const ILLEGAL: &str = "ILLEGAL";
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `EOF`
[INFO] [stderr]    --> src/token.rs:110:5
[INFO] [stderr]     |
[INFO] [stderr] 110 |     pub const EOF: &str = "EOF";
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `IDENT`
[INFO] [stderr]    --> src/token.rs:113:5
[INFO] [stderr]     |
[INFO] [stderr] 113 |     pub const IDENT: &str = "IDENT";
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `INT`
[INFO] [stderr]    --> src/token.rs:114:5
[INFO] [stderr]     |
[INFO] [stderr] 114 |     pub const INT: &str = "INT";
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `ASSIGN`
[INFO] [stderr]    --> src/token.rs:117:5
[INFO] [stderr]     |
[INFO] [stderr] 117 |     pub const ASSIGN: &str = "=";
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `PLUS`
[INFO] [stderr]    --> src/token.rs:118:5
[INFO] [stderr]     |
[INFO] [stderr] 118 |     pub const PLUS: &str = "+";
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `COMMA`
[INFO] [stderr]    --> src/token.rs:121:5
[INFO] [stderr]     |
[INFO] [stderr] 121 |     pub const COMMA: &str = ",";
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `SEMICOLON`
[INFO] [stderr]    --> src/token.rs:122:5
[INFO] [stderr]     |
[INFO] [stderr] 122 |     pub const SEMICOLON: &str = ";";
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `LPAREN`
[INFO] [stderr]    --> src/token.rs:125:5
[INFO] [stderr]     |
[INFO] [stderr] 125 |     pub const LPAREN: &str = "(";
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `RPAREN`
[INFO] [stderr]    --> src/token.rs:126:5
[INFO] [stderr]     |
[INFO] [stderr] 126 |     pub const RPAREN: &str = ")";
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `LBRACE`
[INFO] [stderr]    --> src/token.rs:127:5
[INFO] [stderr]     |
[INFO] [stderr] 127 |     pub const LBRACE: &str = "{";
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `RBRACE`
[INFO] [stderr]    --> src/token.rs:128:5
[INFO] [stderr]     |
[INFO] [stderr] 128 |     pub const RBRACE: &str = "}";
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `FUNCTION`
[INFO] [stderr]    --> src/token.rs:131:5
[INFO] [stderr]     |
[INFO] [stderr] 131 |     pub const FUNCTION: &str = "FUNCTION";
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `LET`
[INFO] [stderr]    --> src/token.rs:132:5
[INFO] [stderr]     |
[INFO] [stderr] 132 |     pub const LET: &str = "LET";
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_letter`
[INFO] [stderr]    --> src/lexer.rs:104:8
[INFO] [stderr]     |
[INFO] [stderr] 104 |     fn is_letter(ch: &u8) -> bool {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rusty_interpreter` (bin "rusty_interpreter" test) generated 18 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rusty_interpreter-ede91a7cd15fe7b0)
[INFO] [stdout] running 3 tests
[INFO] [stdout] test token::tests::look_up_test ... ok
[INFO] [stdout] test lexer::tests::next_token_test ... ok
[INFO] [stdout] test lexer::tests::next_token_test_2 ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- lexer::tests::next_token_test_2 stdout ----
[INFO] [stdout] Read: l
[INFO] [stdout] nom whitespace
[INFO] [stdout] Read: e
[INFO] [stdout] Read: t
[INFO] [stdout] Read:  
[INFO] [stdout] Identifier read: 0 to 3
[INFO] [stdout] Read: f
[INFO] [stdout] lexer: Let
[INFO] [stdout] test: Let
[INFO] [stdout] 
[INFO] [stdout] nom whitespace
[INFO] [stdout] Read: i
[INFO] [stdout] Read: v
[INFO] [stdout] Read: e
[INFO] [stdout] Read:  
[INFO] [stdout] Identifier read: 4 to 8
[INFO] [stdout] Read: =
[INFO] [stdout] lexer: Ident("five")
[INFO] [stdout] test: Ident("five")
[INFO] [stdout] 
[INFO] [stdout] nom whitespace
[INFO] [stdout] Read:  
[INFO] [stdout] lexer: Assign
[INFO] [stdout] test: Assign
[INFO] [stdout] 
[INFO] [stdout] nom whitespace
[INFO] [stdout] Read: 5
[INFO] [stdout] Read: ;
[INFO] [stdout] Making int
[INFO] [stdout] position: 11 to 12
[INFO] [stdout] 5
[INFO] [stdout] Read: 
[INFO] [stdout] 
[INFO] [stdout] lexer: Int(5)
[INFO] [stdout] test: Int(5)
[INFO] [stdout] 
[INFO] [stdout] nom whitespace
[INFO] [stdout] Read:  
[INFO] [stdout] Read:  
[INFO] [stdout] Read:  
[INFO] [stdout] Read:  
[INFO] [stdout] Read:  
[INFO] [stdout] Read:  
[INFO] [stdout] Read:  
[INFO] [stdout] Read:  
[INFO] [stdout] Read: l
[INFO] [stdout] Read: e
[INFO] [stdout] Read: t
[INFO] [stdout] Read:  
[INFO] [stdout] Identifier read: 22 to 25
[INFO] [stdout] Read: t
[INFO] [stdout] lexer: Let
[INFO] [stdout] test: Semicolon
[INFO] [stdout] 
[INFO] [stdout] thread 'lexer::tests::next_token_test_2' panicked at 'assertion failed: `(left == right)`
[INFO] [stdout]   left: `Let`,
[INFO] [stdout]  right: `Semicolon`', src/lexer.rs:291:13
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55cf83d2faf0 - std::backtrace_rs::backtrace::libunwind::trace::hff4d1766e93f64f1
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x55cf83d2faf0 - std::backtrace_rs::backtrace::trace_unsynchronized::h56bbc8eb78770bcb
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55cf83d2faf0 - std::sys_common::backtrace::_print_fmt::h5c8e75464faca780
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x55cf83d2faf0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h48b88277def8b362
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x55cf83d5245c - core::fmt::write::h3381b3176fe2b3d3
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/fmt/mod.rs:1115:17
[INFO] [stdout]    5:     0x55cf83d2ca55 - std::io::Write::write_fmt::h5f34a676f60246b5
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/io/mod.rs:1665:15
[INFO] [stdout]    6:     0x55cf83d31c6b - std::sys_common::backtrace::_print::ha537687d6c17dd0d
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x55cf83d31c6b - std::sys_common::backtrace::print::h61376ae57d131d72
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x55cf83d31c6b - std::panicking::default_hook::{{closure}}::h0f7208c0b9644a54
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x55cf83d3177c - std::panicking::default_hook::hdac7fc06578c14ce
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x55cf83d32334 - std::panicking::rust_panic_with_hook::h72b21c283da3d1ef
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x55cf83d31e17 - std::panicking::begin_panic_handler::{{closure}}::he5778f1729cff84a
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:519:13
[INFO] [stdout]   12:     0x55cf83d2ffcc - std::sys_common::backtrace::__rust_end_short_backtrace::h2d11ca8b453b4b1d
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x55cf83d31d79 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x55cf83cc63b1 - core::panicking::panic_fmt::hf9de31d4acbce4db
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x55cf83d50d78 - core::panicking::assert_failed_inner::h62e8cb2847a6e7ec
[INFO] [stdout]   16:     0x55cf83cd530a - core::panicking::assert_failed::h7808972621f33d04
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/panicking.rs:117:5
[INFO] [stdout]   17:     0x55cf83cda93c - rusty_interpreter::lexer::tests::next_token_test_2::h4d05f1034996ac97
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lexer.rs:291:13
[INFO] [stdout]   18:     0x55cf83cd73aa - rusty_interpreter::lexer::tests::next_token_test_2::{{closure}}::hc24521d4249987d1
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lexer.rs:194:5
[INFO] [stdout]   19:     0x55cf83cdc31e - core::ops::function::FnOnce::call_once::h5fc6aef128f23012
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   20:     0x55cf83d143b3 - core::ops::function::FnOnce::call_once::hbb52c4519d3137b0
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x55cf83d143b3 - test::__rust_begin_short_backtrace::h86fe3a2a5a5121af
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/test/src/lib.rs:578:5
[INFO] [stdout]   22:     0x55cf83d12e68 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hfd956bc3d57399be
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   23:     0x55cf83d12e68 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h40dc93e0ddb5938a
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:347:9
[INFO] [stdout]   24:     0x55cf83d12e68 - std::panicking::try::do_call::h90d07750cb47c562
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:401:40
[INFO] [stdout]   25:     0x55cf83d12e68 - std::panicking::try::h063c84733ad2a629
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:365:19
[INFO] [stdout]   26:     0x55cf83d12e68 - std::panic::catch_unwind::h0c464836a84e7c08
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:434:14
[INFO] [stdout]   27:     0x55cf83d12e68 - test::run_test_in_process::h5cb06ef620b157fc
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/test/src/lib.rs:601:18
[INFO] [stdout]   28:     0x55cf83d12e68 - test::run_test::run_test_inner::{{closure}}::h76f677f4b93f9828
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/test/src/lib.rs:493:39
[INFO] [stdout]   29:     0x55cf83ce15fd - test::run_test::run_test_inner::{{closure}}::h366d01fe04f4d67a
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/test/src/lib.rs:520:37
[INFO] [stdout]   30:     0x55cf83ce15fd - std::sys_common::backtrace::__rust_begin_short_backtrace::h7dfa0de4eb395af2
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   31:     0x55cf83ce5dc8 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hf0a74bb58798037f
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/thread/mod.rs:476:17
[INFO] [stdout]   32:     0x55cf83ce5dc8 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb024e854818586ac
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:347:9
[INFO] [stdout]   33:     0x55cf83ce5dc8 - std::panicking::try::do_call::hb2dd9f1d0d48e41d
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:401:40
[INFO] [stdout]   34:     0x55cf83ce5dc8 - std::panicking::try::h4717ae7bac8b2bf3
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:365:19
[INFO] [stdout]   35:     0x55cf83ce5dc8 - std::panic::catch_unwind::h0dc8a061326ce8d8
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:434:14
[INFO] [stdout]   36:     0x55cf83ce5dc8 - std::thread::Builder::spawn_unchecked::{{closure}}::haa369e2d6fd00aa1
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/thread/mod.rs:475:30
[INFO] [stdout]   37:     0x55cf83ce5dc8 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h36dcf3de8b056f17
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   38:     0x55cf83d36ea7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h65c29e4642be2358
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   39:     0x55cf83d36ea7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hd0f8f7fbbd9fffbf
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   40:     0x55cf83d36ea7 - std::sys::unix::thread::Thread::new::thread_start::h2fd22fee3ca77b65
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys/unix/thread.rs:74:17
[INFO] [stdout]   41:     0x7fbd41b1d609 - start_thread
[INFO] [stdout]   42:     0x7fbd418ef293 - clone
[INFO] [stdout]   43:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     lexer::tests::next_token_test_2
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 2 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--bin rusty_interpreter'
[INFO] running `Command { std: "docker" "inspect" "efe8a4ce0df8af8bf19524afdfd2dfe6484799ea0d3a5b2b6e6521cdbf281df0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efe8a4ce0df8af8bf19524afdfd2dfe6484799ea0d3a5b2b6e6521cdbf281df0", kill_on_drop: false }`
[INFO] [stdout] efe8a4ce0df8af8bf19524afdfd2dfe6484799ea0d3a5b2b6e6521cdbf281df0
