[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-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstrangelovephd%2Frusty_interpreter" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/strangelovephd/rusty_interpreter on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", 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-6/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-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c8df3300188a25974caab64e961df4bb86f1184287f4a67f96680cadf5c70928
[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" "c8df3300188a25974caab64e961df4bb86f1184287f4a67f96680cadf5c70928", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8df3300188a25974caab64e961df4bb86f1184287f4a67f96680cadf5c70928", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8df3300188a25974caab64e961df4bb86f1184287f4a67f96680cadf5c70928", kill_on_drop: false }`
[INFO] [stdout] c8df3300188a25974caab64e961df4bb86f1184287f4a67f96680cadf5c70928
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d82492d42c4c33c3eb95486432296018d24ed947238b90aa388422e3b544da2
[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" "3d82492d42c4c33c3eb95486432296018d24ed947238b90aa388422e3b544da2", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazy_static v1.2.0
[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 1.00s
[INFO] running `Command { std: "docker" "inspect" "3d82492d42c4c33c3eb95486432296018d24ed947238b90aa388422e3b544da2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d82492d42c4c33c3eb95486432296018d24ed947238b90aa388422e3b544da2", kill_on_drop: false }`
[INFO] [stdout] 3d82492d42c4c33c3eb95486432296018d24ed947238b90aa388422e3b544da2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fcabaf17d5efefa0b1465ca430f0dd8a6317d0fe1b11afbcfe3034815ccff8dd
[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" "fcabaf17d5efefa0b1465ca430f0dd8a6317d0fe1b11afbcfe3034815ccff8dd", 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 1.22s
[INFO] running `Command { std: "docker" "inspect" "fcabaf17d5efefa0b1465ca430f0dd8a6317d0fe1b11afbcfe3034815ccff8dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcabaf17d5efefa0b1465ca430f0dd8a6317d0fe1b11afbcfe3034815ccff8dd", kill_on_drop: false }`
[INFO] [stdout] fcabaf17d5efefa0b1465ca430f0dd8a6317d0fe1b11afbcfe3034815ccff8dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9190527bf090ac2e85d40212af1f365bcc180afd72abdd34ecb7ccd2627c4084
[INFO] running `Command { std: "docker" "start" "-a" "9190527bf090ac2e85d40212af1f365bcc180afd72abdd34ecb7ccd2627c4084", 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: 18 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rusty_interpreter-bbd0efb1192c1450
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test lexer::tests::next_token_test ... ok
[INFO] [stdout] test token::tests::look_up_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:     0x55e343258cc0 - std::backtrace_rs::backtrace::libunwind::trace::h7cf3ca97bd83fbab
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stdout]    1:     0x55e343258cc0 - std::backtrace_rs::backtrace::trace_unsynchronized::h5a69c674b2d9ea5c
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x55e343258cc0 - std::sys_common::backtrace::_print_fmt::hdf72478dfcb50678
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:79
[INFO] [stdout]    3:     0x55e343258cc0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1e0bdbb35e83deca
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:58
[INFO] [stdout]    4:     0x55e34327b0fc - core::fmt::write::he67f9b17bcb7ee73
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/fmt/mod.rs:1080
[INFO] [stdout]    5:     0x55e343204786 - std::io::Write::write_fmt::h68b2e5fe4c78e61a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/mod.rs:1516
[INFO] [stdout]    6:     0x55e3432534dd - std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::write_fmt::he9ebec865e28165c
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/impls.rs:179
[INFO] [stdout]    7:     0x55e34325b1dd - std::sys_common::backtrace::_print::haa20918e28a126c5
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:61
[INFO] [stdout]    8:     0x55e34325b1dd - std::sys_common::backtrace::print::h49e772a4873d9076
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:48
[INFO] [stdout]    9:     0x55e34325b1dd - std::panicking::default_hook::{{closure}}::hb218b305d15e3f11
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:208
[INFO] [stdout]   10:     0x55e34325ae32 - std::panicking::default_hook::h63997b7b949e1ce0
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:224
[INFO] [stdout]   11:     0x55e34325b8c1 - std::panicking::rust_panic_with_hook::hb54f09ccadf64bd3
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:577
[INFO] [stdout]   12:     0x55e34325b469 - std::panicking::begin_panic_handler::{{closure}}::h8b43445b254eeb30
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:484
[INFO] [stdout]   13:     0x55e34325914c - std::sys_common::backtrace::__rust_end_short_backtrace::hacd691450edfeae0
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:153
[INFO] [stdout]   14:     0x55e34325b429 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:483
[INFO] [stdout]   15:     0x55e34325b3db - std::panicking::begin_panic_fmt::hef75366dd3a9de61
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:437
[INFO] [stdout]   16:     0x55e3431f066b - rusty_interpreter::lexer::tests::next_token_test_2::h3bc2aac6e56589d1
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lexer.rs:291
[INFO] [stdout]   17:     0x55e3431ed8fa - rusty_interpreter::lexer::tests::next_token_test_2::{{closure}}::h9499312fda2c1f21
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lexer.rs:194
[INFO] [stdout]   18:     0x55e3431f66fe - core::ops::function::FnOnce::call_once::hbef1be63da2d8698
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stdout]   19:     0x55e34322b573 - core::ops::function::FnOnce::call_once::hcd3fa2f0696c1015
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stdout]   20:     0x55e34322b573 - test::__rust_begin_short_backtrace::h113f97c5e5ab7d4a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/test/src/lib.rs:516
[INFO] [stdout]   21:     0x55e343229a78 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h01fd09163cae2442
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   22:     0x55e343229a78 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0da6b685ae74a04a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:308
[INFO] [stdout]   23:     0x55e343229a78 - std::panicking::try::do_call::h564a32f132f2c264
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381
[INFO] [stdout]   24:     0x55e343229a78 - std::panicking::try::h477cfd4b06a2e64a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345
[INFO] [stdout]   25:     0x55e343229a78 - std::panic::catch_unwind::hdb5abc6d008c399d
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382
[INFO] [stdout]   26:     0x55e343229a78 - test::run_test_in_process::he8ff7dec91b275be
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/test/src/lib.rs:543
[INFO] [stdout]   27:     0x55e343229a78 - test::run_test::run_test_inner::{{closure}}::hfd9f49e4a4ff9162
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/test/src/lib.rs:449
[INFO] [stdout]   28:     0x55e343203b06 - std::sys_common::backtrace::__rust_begin_short_backtrace::hee6d60d5bb466aff
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:137
[INFO] [stdout]   29:     0x55e343208c75 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h988cecdf9ebbaf00
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:464
[INFO] [stdout]   30:     0x55e343208c75 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h330cf727ec126982
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:308
[INFO] [stdout]   31:     0x55e343208c75 - std::panicking::try::do_call::h6cd25078f4a5ea13
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381
[INFO] [stdout]   32:     0x55e343208c75 - std::panicking::try::h84b1d49961301705
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345
[INFO] [stdout]   33:     0x55e343208c75 - std::panic::catch_unwind::h6145324593b3654b
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382
[INFO] [stdout]   34:     0x55e343208c75 - std::thread::Builder::spawn_unchecked::{{closure}}::ha41e72e8024f9192
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:463
[INFO] [stdout]   35:     0x55e343208c75 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hfb5034cf1f1be223
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stdout]   36:     0x55e3432618ea - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hd4d30e37db281e8f
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   37:     0x55e3432618ea - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h019185a215ba16e4
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   38:     0x55e3432618ea - std::sys::unix::thread::Thread::new::thread_start::h33c6d7cf25f9291f
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys/unix/thread.rs:87
[INFO] [stdout]   39:     0x7f214a7db609 - start_thread
[INFO] [stdout]   40:     0x7f214aa66103 - clone
[INFO] [stdout]   41:                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
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--bin rusty_interpreter'
[INFO] running `Command { std: "docker" "inspect" "9190527bf090ac2e85d40212af1f365bcc180afd72abdd34ecb7ccd2627c4084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9190527bf090ac2e85d40212af1f365bcc180afd72abdd34ecb7ccd2627c4084", kill_on_drop: false }`
[INFO] [stdout] 9190527bf090ac2e85d40212af1f365bcc180afd72abdd34ecb7ccd2627c4084
