Dec 19 09:31:13.519 INFO checking safsom/alif against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 09:31:13.519 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/safsom/alif:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 09:31:13.787 INFO [stdout] 6880b9421a2a69320b58cd695d14ea25125b47d973689ffe1ee2a15784725d08
Dec 19 09:31:13.789 INFO running `"docker" "start" "-a" "6880b9421a2a69320b58cd695d14ea25125b47d973689ffe1ee2a15784725d08"`
Dec 19 09:31:14.363 INFO [stderr]     Checking ac v0.1.0 (/opt/crater/workdir)
Dec 19 09:31:14.601 INFO [stderr] warning: unused variable: `b`
Dec 19 09:31:14.602 INFO [stderr]    --> src/lexer.rs:229:46
Dec 19 09:31:14.602 INFO [stderr]     |
Dec 19 09:31:14.602 INFO [stderr] 229 |             TokenType::Identifier(ref s, ref b) => println!("identifier {} on line {} at char {}", s, token.token_line, token.token_pos),
Dec 19 09:31:14.602 INFO [stderr]     |                                              ^ help: consider using `_b` instead
Dec 19 09:31:14.602 INFO [stderr]     |
Dec 19 09:31:14.602 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 09:31:14.602 INFO [stderr] 
Dec 19 09:31:14.602 INFO [stderr] warning: unused variable: `s`
Dec 19 09:31:14.602 INFO [stderr]   --> src/parser.rs:69:43
Dec 19 09:31:14.602 INFO [stderr]    |
Dec 19 09:31:14.602 INFO [stderr] 69 |                     TokenType::String(ref s) => panic!("error: type mismatch: cannot operate on integers and strings"),
Dec 19 09:31:14.602 INFO [stderr]    |                                           ^ help: consider using `_s` instead
Dec 19 09:31:14.602 INFO [stderr] 
Dec 19 09:31:14.607 INFO [stderr] warning: unused variable: `b`
Dec 19 09:31:14.607 INFO [stderr]    --> src/lexer.rs:229:46
Dec 19 09:31:14.607 INFO [stderr]     |
Dec 19 09:31:14.607 INFO [stderr] 229 |             TokenType::Identifier(ref s, ref b) => println!("identifier {} on line {} at char {}", s, token.token_line, token.token_pos),
Dec 19 09:31:14.607 INFO [stderr]     |                                              ^ help: consider using `_b` instead
Dec 19 09:31:14.607 INFO [stderr]     |
Dec 19 09:31:14.607 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 09:31:14.607 INFO [stderr] 
Dec 19 09:31:14.608 INFO [stderr] warning: unused variable: `s`
Dec 19 09:31:14.608 INFO [stderr]   --> src/parser.rs:69:43
Dec 19 09:31:14.608 INFO [stderr]    |
Dec 19 09:31:14.608 INFO [stderr] 69 |                     TokenType::String(ref s) => panic!("error: type mismatch: cannot operate on integers and strings"),
Dec 19 09:31:14.608 INFO [stderr]    |                                           ^ help: consider using `_s` instead
Dec 19 09:31:14.608 INFO [stderr] 
Dec 19 09:31:14.638 INFO [stderr] warning: variable does not need to be mutable
Dec 19 09:31:14.639 INFO [stderr]   --> src/parser.rs:62:9
Dec 19 09:31:14.639 INFO [stderr]    |
Dec 19 09:31:14.639 INFO [stderr] 62 |     let mut i = 0;
Dec 19 09:31:14.639 INFO [stderr]    |         ----^
Dec 19 09:31:14.639 INFO [stderr]    |         |
Dec 19 09:31:14.639 INFO [stderr]    |         help: remove this `mut`
Dec 19 09:31:14.639 INFO [stderr]    |
Dec 19 09:31:14.639 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 09:31:14.639 INFO [stderr] 
Dec 19 09:31:14.639 INFO [stderr] warning: variant is never constructed: `Division`
Dec 19 09:31:14.639 INFO [stderr]  --> src/parser.rs:8:5
Dec 19 09:31:14.639 INFO [stderr]   |
Dec 19 09:31:14.639 INFO [stderr] 8 |     Division,
Dec 19 09:31:14.639 INFO [stderr]   |     ^^^^^^^^
Dec 19 09:31:14.639 INFO [stderr]   |
Dec 19 09:31:14.639 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 09:31:14.639 INFO [stderr] 
Dec 19 09:31:14.639 INFO [stderr] warning: variant is never constructed: `LeftShift`
Dec 19 09:31:14.639 INFO [stderr]   --> src/parser.rs:12:5
Dec 19 09:31:14.640 INFO [stderr]    |
Dec 19 09:31:14.640 INFO [stderr] 12 |     LeftShift,
Dec 19 09:31:14.640 INFO [stderr]    |     ^^^^^^^^^
Dec 19 09:31:14.640 INFO [stderr] 
Dec 19 09:31:14.640 INFO [stderr] warning: variant is never constructed: `RightShift`
Dec 19 09:31:14.640 INFO [stderr]   --> src/parser.rs:13:5
Dec 19 09:31:14.640 INFO [stderr]    |
Dec 19 09:31:14.640 INFO [stderr] 13 |     RightShift,
Dec 19 09:31:14.640 INFO [stderr]    |     ^^^^^^^^^^
Dec 19 09:31:14.640 INFO [stderr] 
Dec 19 09:31:14.640 INFO [stderr] warning: variant is never constructed: `StringLiteral`
Dec 19 09:31:14.640 INFO [stderr]   --> src/parser.rs:28:5
Dec 19 09:31:14.640 INFO [stderr]    |
Dec 19 09:31:14.640 INFO [stderr] 28 |     StringLiteral(String),
Dec 19 09:31:14.640 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 19 09:31:14.640 INFO [stderr] 
Dec 19 09:31:14.640 INFO [stderr] warning: variant is never constructed: `Character`
Dec 19 09:31:14.640 INFO [stderr]   --> src/parser.rs:29:5
Dec 19 09:31:14.640 INFO [stderr]    |
Dec 19 09:31:14.640 INFO [stderr] 29 |     Character(char),
Dec 19 09:31:14.640 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 19 09:31:14.640 INFO [stderr] 
Dec 19 09:31:14.640 INFO [stderr] warning: variant is never constructed: `Const`
Dec 19 09:31:14.640 INFO [stderr]   --> src/parser.rs:30:5
Dec 19 09:31:14.640 INFO [stderr]    |
Dec 19 09:31:14.640 INFO [stderr] 30 |     Const(String, Box<Expression>),
Dec 19 09:31:14.640 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 09:31:14.640 INFO [stderr] 
Dec 19 09:31:14.640 INFO [stderr] warning: variant is never constructed: `Unary`
Dec 19 09:31:14.640 INFO [stderr]   --> src/parser.rs:31:5
Dec 19 09:31:14.640 INFO [stderr]    |
Dec 19 09:31:14.640 INFO [stderr] 31 |     Unary(Operators, Box<Expression>),
Dec 19 09:31:14.640 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 09:31:14.640 INFO [stderr] 
Dec 19 09:31:14.640 INFO [stderr] warning: variant is never constructed: `Call`
Dec 19 09:31:14.640 INFO [stderr]   --> src/parser.rs:33:5
Dec 19 09:31:14.640 INFO [stderr]    |
Dec 19 09:31:14.640 INFO [stderr] 33 |     Call(String, Vec<Expression>),
Dec 19 09:31:14.640 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 09:31:14.640 INFO [stderr] 
Dec 19 09:31:14.640 INFO [stderr] warning: variant is never constructed: `Function`
Dec 19 09:31:14.640 INFO [stderr]   --> src/parser.rs:34:5
Dec 19 09:31:14.640 INFO [stderr]    |
Dec 19 09:31:14.640 INFO [stderr] 34 |     Function(String, Vec<Expression>, Vec<Expression>),
Dec 19 09:31:14.640 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 09:31:14.640 INFO [stderr] 
Dec 19 09:31:14.640 INFO [stderr] warning: variant is never constructed: `If`
Dec 19 09:31:14.640 INFO [stderr]   --> src/parser.rs:35:5
Dec 19 09:31:14.640 INFO [stderr]    |
Dec 19 09:31:14.640 INFO [stderr] 35 |     If(Box<Expression>, Vec<Expression>),
Dec 19 09:31:14.640 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 09:31:14.640 INFO [stderr] 
Dec 19 09:31:14.640 INFO [stderr] warning: variant is never constructed: `Else`
Dec 19 09:31:14.640 INFO [stderr]   --> src/parser.rs:36:5
Dec 19 09:31:14.640 INFO [stderr]    |
Dec 19 09:31:14.640 INFO [stderr] 36 |     Else(Vec<Expression>),
Dec 19 09:31:14.640 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 19 09:31:14.640 INFO [stderr] 
Dec 19 09:31:14.640 INFO [stderr] warning: constant `keywords` should have an upper case name such as `KEYWORDS`
Dec 19 09:31:14.640 INFO [stderr]  --> src/lexer.rs:1:1
Dec 19 09:31:14.640 INFO [stderr]   |
Dec 19 09:31:14.640 INFO [stderr] 1 | const keywords: [&str; 10] = ["const", "record", "char", "string", "int", "bool", "if", "else", "match", "enum"];
Dec 19 09:31:14.640 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 09:31:14.640 INFO [stderr]   |
Dec 19 09:31:14.640 INFO [stderr]   = note: #[warn(non_upper_case_globals)] on by default
Dec 19 09:31:14.640 INFO [stderr] 
Dec 19 09:31:14.644 INFO [stderr] warning: variable does not need to be mutable
Dec 19 09:31:14.644 INFO [stderr]   --> src/parser.rs:62:9
Dec 19 09:31:14.644 INFO [stderr]    |
Dec 19 09:31:14.644 INFO [stderr] 62 |     let mut i = 0;
Dec 19 09:31:14.644 INFO [stderr]    |         ----^
Dec 19 09:31:14.645 INFO [stderr]    |         |
Dec 19 09:31:14.645 INFO [stderr]    |         help: remove this `mut`
Dec 19 09:31:14.645 INFO [stderr]    |
Dec 19 09:31:14.645 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 09:31:14.645 INFO [stderr] 
Dec 19 09:31:14.645 INFO [stderr] warning: variant is never constructed: `Division`
Dec 19 09:31:14.645 INFO [stderr]  --> src/parser.rs:8:5
Dec 19 09:31:14.645 INFO [stderr]   |
Dec 19 09:31:14.645 INFO [stderr] 8 |     Division,
Dec 19 09:31:14.645 INFO [stderr]   |     ^^^^^^^^
Dec 19 09:31:14.645 INFO [stderr]   |
Dec 19 09:31:14.645 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 09:31:14.645 INFO [stderr] 
Dec 19 09:31:14.645 INFO [stderr] warning: variant is never constructed: `LeftShift`
Dec 19 09:31:14.645 INFO [stderr]   --> src/parser.rs:12:5
Dec 19 09:31:14.645 INFO [stderr]    |
Dec 19 09:31:14.645 INFO [stderr] 12 |     LeftShift,
Dec 19 09:31:14.645 INFO [stderr]    |     ^^^^^^^^^
Dec 19 09:31:14.645 INFO [stderr] 
Dec 19 09:31:14.645 INFO [stderr] warning: variant is never constructed: `RightShift`
Dec 19 09:31:14.645 INFO [stderr]   --> src/parser.rs:13:5
Dec 19 09:31:14.645 INFO [stderr]    |
Dec 19 09:31:14.645 INFO [stderr] 13 |     RightShift,
Dec 19 09:31:14.645 INFO [stderr]    |     ^^^^^^^^^^
Dec 19 09:31:14.645 INFO [stderr] 
Dec 19 09:31:14.645 INFO [stderr] warning: variant is never constructed: `StringLiteral`
Dec 19 09:31:14.645 INFO [stderr]   --> src/parser.rs:28:5
Dec 19 09:31:14.645 INFO [stderr]    |
Dec 19 09:31:14.645 INFO [stderr] 28 |     StringLiteral(String),
Dec 19 09:31:14.645 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 19 09:31:14.645 INFO [stderr] 
Dec 19 09:31:14.645 INFO [stderr] warning: variant is never constructed: `Character`
Dec 19 09:31:14.645 INFO [stderr]   --> src/parser.rs:29:5
Dec 19 09:31:14.645 INFO [stderr]    |
Dec 19 09:31:14.645 INFO [stderr] 29 |     Character(char),
Dec 19 09:31:14.645 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 19 09:31:14.645 INFO [stderr] 
Dec 19 09:31:14.645 INFO [stderr] warning: variant is never constructed: `Const`
Dec 19 09:31:14.645 INFO [stderr]   --> src/parser.rs:30:5
Dec 19 09:31:14.645 INFO [stderr]    |
Dec 19 09:31:14.645 INFO [stderr] 30 |     Const(String, Box<Expression>),
Dec 19 09:31:14.645 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 09:31:14.645 INFO [stderr] 
Dec 19 09:31:14.645 INFO [stderr] warning: variant is never constructed: `Unary`
Dec 19 09:31:14.645 INFO [stderr]   --> src/parser.rs:31:5
Dec 19 09:31:14.645 INFO [stderr]    |
Dec 19 09:31:14.645 INFO [stderr] 31 |     Unary(Operators, Box<Expression>),
Dec 19 09:31:14.645 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 09:31:14.645 INFO [stderr] 
Dec 19 09:31:14.646 INFO [stderr] warning: variant is never constructed: `Call`
Dec 19 09:31:14.646 INFO [stderr]   --> src/parser.rs:33:5
Dec 19 09:31:14.646 INFO [stderr]    |
Dec 19 09:31:14.646 INFO [stderr] 33 |     Call(String, Vec<Expression>),
Dec 19 09:31:14.646 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 09:31:14.646 INFO [stderr] 
Dec 19 09:31:14.646 INFO [stderr] warning: variant is never constructed: `Function`
Dec 19 09:31:14.646 INFO [stderr]   --> src/parser.rs:34:5
Dec 19 09:31:14.646 INFO [stderr]    |
Dec 19 09:31:14.646 INFO [stderr] 34 |     Function(String, Vec<Expression>, Vec<Expression>),
Dec 19 09:31:14.646 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 09:31:14.646 INFO [stderr] 
Dec 19 09:31:14.646 INFO [stderr] warning: variant is never constructed: `If`
Dec 19 09:31:14.646 INFO [stderr]   --> src/parser.rs:35:5
Dec 19 09:31:14.646 INFO [stderr]    |
Dec 19 09:31:14.646 INFO [stderr] 35 |     If(Box<Expression>, Vec<Expression>),
Dec 19 09:31:14.646 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 09:31:14.646 INFO [stderr] 
Dec 19 09:31:14.646 INFO [stderr] warning: variant is never constructed: `Else`
Dec 19 09:31:14.646 INFO [stderr]   --> src/parser.rs:36:5
Dec 19 09:31:14.646 INFO [stderr]    |
Dec 19 09:31:14.646 INFO [stderr] 36 |     Else(Vec<Expression>),
Dec 19 09:31:14.646 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 19 09:31:14.646 INFO [stderr] 
Dec 19 09:31:14.646 INFO [stderr] warning: constant `keywords` should have an upper case name such as `KEYWORDS`
Dec 19 09:31:14.646 INFO [stderr]  --> src/lexer.rs:1:1
Dec 19 09:31:14.646 INFO [stderr]   |
Dec 19 09:31:14.646 INFO [stderr] 1 | const keywords: [&str; 10] = ["const", "record", "char", "string", "int", "bool", "if", "else", "match", "enum"];
Dec 19 09:31:14.646 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 09:31:14.646 INFO [stderr]   |
Dec 19 09:31:14.646 INFO [stderr]   = note: #[warn(non_upper_case_globals)] on by default
Dec 19 09:31:14.646 INFO [stderr] 
Dec 19 09:31:14.657 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.30s
Dec 19 09:31:14.890 INFO running `"docker" "inspect" "6880b9421a2a69320b58cd695d14ea25125b47d973689ffe1ee2a15784725d08"`
Dec 19 09:31:14.992 INFO running `"docker" "rm" "-f" "6880b9421a2a69320b58cd695d14ea25125b47d973689ffe1ee2a15784725d08"`
Dec 19 09:31:15.076 INFO [stdout] 6880b9421a2a69320b58cd695d14ea25125b47d973689ffe1ee2a15784725d08