[INFO] cloning repository strangelovephd/rusty_interpreter [INFO] running `"git" "clone" "--bare" "git://github.com/strangelovephd/rusty_interpreter.git" "work/cache/sources/gh/strangelovephd/rusty_interpreter"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/strangelovephd/rusty_interpreter'... [INFO] running `"git" "clone" "work/cache/sources/gh/strangelovephd/rusty_interpreter" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/strangelovephd/rusty_interpreter"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/strangelovephd/rusty_interpreter'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/strangelovephd/rusty_interpreter" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/strangelovephd/rusty_interpreter"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/strangelovephd/rusty_interpreter'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 422e6cf00cb9681f0b308a4a7c977f7d1bd733e2 [INFO] sha for GitHub repo strangelovephd/rusty_interpreter: 422e6cf00cb9681f0b308a4a7c977f7d1bd733e2 [INFO] validating manifest of strangelovephd/rusty_interpreter on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of strangelovephd/rusty_interpreter on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing strangelovephd/rusty_interpreter [INFO] finished frobbing strangelovephd/rusty_interpreter [INFO] frobbed toml for strangelovephd/rusty_interpreter written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/strangelovephd/rusty_interpreter/Cargo.toml [INFO] started frobbing strangelovephd/rusty_interpreter [INFO] finished frobbing strangelovephd/rusty_interpreter [INFO] frobbed toml for strangelovephd/rusty_interpreter written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/strangelovephd/rusty_interpreter/Cargo.toml [INFO] crate strangelovephd/rusty_interpreter already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing strangelovephd/rusty_interpreter against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/strangelovephd/rusty_interpreter:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"` [INFO] [stdout] f4bbdb64b4b23e031be1a0bdf3836d19631f899d0610e0e0f6341825ecfc5996 [INFO] running `"docker" "start" "-a" "f4bbdb64b4b23e031be1a0bdf3836d19631f899d0610e0e0f6341825ecfc5996"` [INFO] [stderr] Compiling rusty_interpreter v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: struct is never constructed: `LexerError` [INFO] [stderr] --> src/token.rs:7:1 [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: `Illegal` [INFO] [stderr] --> src/token.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | Illegal(String), [INFO] [stderr] | ^^^^^^^^^^^^^^^ [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: variant is never constructed: `Ident` [INFO] [stderr] --> src/token.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 19 | Ident(String), [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Int` [INFO] [stderr] --> src/token.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | Int(i32), [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `look_up_token` [INFO] [stderr] --> src/token.rs:63:1 [INFO] [stderr] | [INFO] [stderr] 63 | pub fn look_up_token(tok: &str) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/token.rs:78:5 [INFO] [stderr] | [INFO] [stderr] 78 | pub fn new(tt: TokenType, lit: String) -> Token { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `look_up_keyword` [INFO] [stderr] --> src/token.rs:101:1 [INFO] [stderr] | [INFO] [stderr] 101 | pub fn look_up_keyword(kw: &str) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item 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 item 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 item 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 item 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 item 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 item 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 item 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 item 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 item 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 item 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 item 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 item 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 item 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 item 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: struct is never constructed: `Lexer` [INFO] [stderr] --> src/lexer.rs:5:1 [INFO] [stderr] | [INFO] [stderr] 5 | pub struct Lexer { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/lexer.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | pub fn new(i: Vec) -> Lexer { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `read_char` [INFO] [stderr] --> src/lexer.rs:24:5 [INFO] [stderr] | [INFO] [stderr] 24 | fn read_char(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `next_token` [INFO] [stderr] --> src/lexer.rs:75:5 [INFO] [stderr] | [INFO] [stderr] 75 | pub fn next_token(&mut self) -> TokenType { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `is_letter` [INFO] [stderr] --> src/lexer.rs:104:5 [INFO] [stderr] | [INFO] [stderr] 104 | fn is_letter(ch: &u8) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `is_char` [INFO] [stderr] --> src/lexer.rs:109:5 [INFO] [stderr] | [INFO] [stderr] 109 | fn is_char(ch: &char) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `read_identifier` [INFO] [stderr] --> src/lexer.rs:113:5 [INFO] [stderr] | [INFO] [stderr] 113 | fn read_identifier(&mut self) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `skip_whitespace` [INFO] [stderr] --> src/lexer.rs:124:5 [INFO] [stderr] | [INFO] [stderr] 124 | fn skip_whitespace(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `read_number` [INFO] [stderr] --> src/lexer.rs:131:5 [INFO] [stderr] | [INFO] [stderr] 131 | fn read_number(&mut self) -> i32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `is_digit` [INFO] [stderr] --> src/lexer.rs:146:5 [INFO] [stderr] | [INFO] [stderr] 146 | fn is_digit(byte: &char) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.95s [INFO] running `"docker" "inspect" "f4bbdb64b4b23e031be1a0bdf3836d19631f899d0610e0e0f6341825ecfc5996"` [INFO] running `"docker" "rm" "-f" "f4bbdb64b4b23e031be1a0bdf3836d19631f899d0610e0e0f6341825ecfc5996"` [INFO] [stdout] f4bbdb64b4b23e031be1a0bdf3836d19631f899d0610e0e0f6341825ecfc5996 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/strangelovephd/rusty_interpreter:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"` [INFO] [stdout] 0ed695ab5e4fe3a57cabb05aa8e2392fd5b69915b93b310358ac7c33b8153663 [INFO] running `"docker" "start" "-a" "0ed695ab5e4fe3a57cabb05aa8e2392fd5b69915b93b310358ac7c33b8153663"` [INFO] [stderr] Compiling rusty_interpreter v0.1.0 (/opt/crater/workdir) [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: consider prefixing 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:7:1 [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 item 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 item 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 item 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 item 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 item 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 item 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 item 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 item 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 item 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 item 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 item 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 item 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 item 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 item 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: method is never used: `is_letter` [INFO] [stderr] --> src/lexer.rs:104:5 [INFO] [stderr] | [INFO] [stderr] 104 | fn is_letter(ch: &u8) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.01s [INFO] running `"docker" "inspect" "0ed695ab5e4fe3a57cabb05aa8e2392fd5b69915b93b310358ac7c33b8153663"` [INFO] running `"docker" "rm" "-f" "0ed695ab5e4fe3a57cabb05aa8e2392fd5b69915b93b310358ac7c33b8153663"` [INFO] [stdout] 0ed695ab5e4fe3a57cabb05aa8e2392fd5b69915b93b310358ac7c33b8153663 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/strangelovephd/rusty_interpreter:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"` [INFO] [stdout] d1fdb4ac4a30d8232dd54e79e160e2a33d6346089a6af65942fc7da0ea88d210 [INFO] running `"docker" "start" "-a" "d1fdb4ac4a30d8232dd54e79e160e2a33d6346089a6af65942fc7da0ea88d210"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running /opt/crater/target/debug/deps/rusty_interpreter-c46cf6589e46a02d [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: 0x557a0b3b107b - backtrace::backtrace::libunwind::trace::h98ebe34dc63b52e3 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x557a0b3b107b - backtrace::backtrace::trace_unsynchronized::hd041341a38fdc1ca [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x557a0b3b107b - std::sys_common::backtrace::_print::hc8c584aa09df5c15 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x557a0b3b107b - std::sys_common::backtrace::print::h4828f56ae571c1ad [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x557a0b3b107b - std::panicking::default_hook::{{closure}}::h69fce690c9f4b3d3 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x557a0b3b0d0f - std::panicking::default_hook::h231e0e11400caad4 [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x557a0b3b17f0 - std::panicking::rust_panic_with_hook::h8c0d039880f491f2 [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x557a0b3b1372 - std::panicking::continue_panic_fmt::hd71af4da4e8103ab [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x557a0b3b12bf - std::panicking::begin_panic_fmt::h6fa6b99240aafbc9 [INFO] [stdout] at src/libstd/panicking.rs:337 [INFO] [stdout] 9: 0x557a0b350a94 - rusty_interpreter::lexer::tests::next_token_test_2::hc520adb97f34120c [INFO] [stdout] at src/lexer.rs:291 [INFO] [stdout] 10: 0x557a0b34dc7a - rusty_interpreter::lexer::tests::next_token_test_2::{{closure}}::h8754f6e9d0e65d74 [INFO] [stdout] at src/lexer.rs:194 [INFO] [stdout] 11: 0x557a0b361f6e - core::ops::function::FnOnce::call_once::h4aa98c6774c5e00d [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: 0x557a0b373a9f - as core::ops::function::FnOnce>::call_once::h7d12c58d88f85f52 [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: 0x557a0b3b437a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 14: 0x557a0b38e478 - std::panicking::try::h5ed77697f4b9cf5a [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/panicking.rs:273 [INFO] [stdout] 15: 0x557a0b38e478 - std::panic::catch_unwind::hc3df70fd601bf96f [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/panic.rs:388 [INFO] [stdout] 16: 0x557a0b38e478 - test::run_test::run_test_inner::{{closure}}::haf52e514bd7b7a7a [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 17: 0x557a0b369015 - std::sys_common::backtrace::__rust_begin_short_backtrace::he61de6f42984ba1b [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 18: 0x557a0b36d015 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h583331a58084cfa6 [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/thread/mod.rs:470 [INFO] [stdout] 19: 0x557a0b36d015 - as core::ops::function::FnOnce<()>>::call_once::h730d3f044d244375 [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/panic.rs:309 [INFO] [stdout] 20: 0x557a0b36d015 - std::panicking::try::do_call::h11328ad090f12422 [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/panicking.rs:294 [INFO] [stdout] 21: 0x557a0b3b437a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 22: 0x557a0b36d6a2 - std::panicking::try::hd00f486f5358e439 [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/panicking.rs:273 [INFO] [stdout] 23: 0x557a0b36d6a2 - std::panic::catch_unwind::h78adeaedb9e59cb0 [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/panic.rs:388 [INFO] [stdout] 24: 0x557a0b36d6a2 - std::thread::Builder::spawn_unchecked::{{closure}}::ha2637f22a0fb0434 [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/thread/mod.rs:469 [INFO] [stdout] 25: 0x557a0b36d6a2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h86e6656f4f46649d [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libcore/ops/function.rs:231 [INFO] [stdout] 26: 0x557a0b3a709f - as core::ops::function::FnOnce>::call_once::h146d737fe1c8556c [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/liballoc/boxed.rs:746 [INFO] [stdout] 27: 0x557a0b3b3ac0 - as core::ops::function::FnOnce>::call_once::h44ec2de830c4be09 [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/liballoc/boxed.rs:746 [INFO] [stdout] 28: 0x557a0b3b3ac0 - std::sys_common::thread::start_thread::hed7ed434f3e17f57 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 29: 0x557a0b3b3ac0 - std::sys::unix::thread::Thread::new::thread_start::h62b89907378dc35b [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 30: 0x7fd286da44a4 - start_thread [INFO] [stdout] 31: 0x7fd2868cfd0f - __clone [INFO] [stdout] 32: 0x0 - [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 `"docker" "inspect" "d1fdb4ac4a30d8232dd54e79e160e2a33d6346089a6af65942fc7da0ea88d210"` [INFO] running `"docker" "rm" "-f" "d1fdb4ac4a30d8232dd54e79e160e2a33d6346089a6af65942fc7da0ea88d210"` [INFO] [stdout] d1fdb4ac4a30d8232dd54e79e160e2a33d6346089a6af65942fc7da0ea88d210