Dec 05 12:42:20.150 INFO testing nilq/ketchup against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 05 12:42:20.150 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +906deae0790bd18681b937fe9a141a3c26cf1855-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 05 12:42:20.696 INFO [stdout] d614985814226a07e379172b1d863c39dbdc6a4d30c84858748e8f13e649d0d5
Dec 05 12:42:20.700 INFO running `"docker" "start" "-a" "d614985814226a07e379172b1d863c39dbdc6a4d30c84858748e8f13e649d0d5"`
Dec 05 12:42:22.344 INFO [stderr] usermod: no changes
Dec 05 12:42:22.388 INFO [stderr]    Compiling ketchup v0.1.0 (/source)
Dec 05 12:42:22.816 INFO [stderr] warning: unused import: `Op`
Dec 05 12:42:22.816 INFO [stderr]   --> src/language/mod.rs:11:14
Dec 05 12:42:22.816 INFO [stderr]    |
Dec 05 12:42:22.816 INFO [stderr] 11 |     use vm::{Op, Value, Object, Native};
Dec 05 12:42:22.816 INFO [stderr]    |              ^^
Dec 05 12:42:22.816 INFO [stderr]    |
Dec 05 12:42:22.816 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 05 12:42:22.816 INFO [stderr] 
Dec 05 12:42:22.890 INFO [stderr] warning: unreachable expression
Dec 05 12:42:22.890 INFO [stderr]   --> src/language/mod.rs:50:9
Dec 05 12:42:22.890 INFO [stderr]    |
Dec 05 12:42:22.890 INFO [stderr] 50 |         Value::Nil
Dec 05 12:42:22.890 INFO [stderr]    |         ^^^^^^^^^^
Dec 05 12:42:22.890 INFO [stderr]    |
Dec 05 12:42:22.892 INFO [stderr]    = note: #[warn(unreachable_code)] on by default
Dec 05 12:42:22.892 INFO [stderr] 
Dec 05 12:42:23.112 INFO [stderr] warning: unreachable pattern
Dec 05 12:42:23.112 INFO [stderr]    --> src/language/mod.rs:114:13
Dec 05 12:42:23.112 INFO [stderr]     |
Dec 05 12:42:23.112 INFO [stderr] 114 |             _ => panic!("unimplemented expression!") ,
Dec 05 12:42:23.112 INFO [stderr]     |             ^
Dec 05 12:42:23.112 INFO [stderr]     |
Dec 05 12:42:23.112 INFO [stderr]     = note: #[warn(unreachable_patterns)] on by default
Dec 05 12:42:23.112 INFO [stderr] 
Dec 05 12:42:23.112 INFO [stderr] warning: unreachable pattern
Dec 05 12:42:23.116 INFO [stderr]    --> src/language/mod.rs:157:17
Dec 05 12:42:23.116 INFO [stderr]     |
Dec 05 12:42:23.116 INFO [stderr] 157 |                 _ => panic!("unstable/unimplemented statement!?")
Dec 05 12:42:23.116 INFO [stderr]     |                 ^
Dec 05 12:42:23.116 INFO [stderr] 
Dec 05 12:42:23.116 INFO [stderr] warning: unreachable pattern
Dec 05 12:42:23.116 INFO [stderr]   --> src/language/vm/mod.rs:63:17
Dec 05 12:42:23.116 INFO [stderr]    |
Dec 05 12:42:23.116 INFO [stderr] 63 |                 Op::Name(ref n) => {
Dec 05 12:42:23.116 INFO [stderr]    |                 ^^^^^^^^^^^^^^^
Dec 05 12:42:23.116 INFO [stderr] 
Dec 05 12:42:23.116 INFO [stderr] warning: unreachable pattern
Dec 05 12:42:23.116 INFO [stderr]    --> src/language/vm/mod.rs:129:17
Dec 05 12:42:23.116 INFO [stderr]     |
Dec 05 12:42:23.116 INFO [stderr] 129 |                 _ => panic!("angery, not covered!?!"),
Dec 05 12:42:23.120 INFO [stderr]     |                 ^
Dec 05 12:42:23.120 INFO [stderr] 
Dec 05 12:42:23.120 INFO [stderr] warning: value assigned to `body` is never read
Dec 05 12:42:23.120 INFO [stderr]    --> src/language/syntax/parser/mod.rs:186:29
Dec 05 12:42:23.120 INFO [stderr]     |
Dec 05 12:42:23.120 INFO [stderr] 186 |                     let mut body: Option<Vec<Statement>> = None;
Dec 05 12:42:23.120 INFO [stderr]     |                             ^^^^
Dec 05 12:42:23.120 INFO [stderr]     |
Dec 05 12:42:23.120 INFO [stderr]     = note: #[warn(unused_assignments)] on by default
Dec 05 12:42:23.120 INFO [stderr] 
Dec 05 12:42:23.120 INFO [stderr] warning: unused variable: `t`
Dec 05 12:42:23.120 INFO [stderr]    --> src/language/syntax/parser/mod.rs:215:25
Dec 05 12:42:23.120 INFO [stderr]     |
Dec 05 12:42:23.120 INFO [stderr] 215 |                         t => body = Some(vec!(Statement::Expression(Box::new(self.expression())))),
Dec 05 12:42:23.120 INFO [stderr]     |                         ^ help: consider using `_t` instead
Dec 05 12:42:23.120 INFO [stderr]     |
Dec 05 12:42:23.120 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 05 12:42:23.125 INFO [stderr] 
Dec 05 12:42:23.125 INFO [stderr] warning: variable does not need to be mutable
Dec 05 12:42:23.125 INFO [stderr]   --> src/main.rs:65:9
Dec 05 12:42:23.125 INFO [stderr]    |
Dec 05 12:42:23.125 INFO [stderr] 65 |     let mut test = r#"
Dec 05 12:42:23.125 INFO [stderr]    |         ----^^^^
Dec 05 12:42:23.125 INFO [stderr]    |         |
Dec 05 12:42:23.125 INFO [stderr]    |         help: remove this `mut`
Dec 05 12:42:23.125 INFO [stderr]    |
Dec 05 12:42:23.125 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 12:42:23.125 INFO [stderr] 
Dec 05 12:42:23.260 INFO [stderr] warning: variant is never constructed: `Block`
Dec 05 12:42:23.260 INFO [stderr]  --> src/language/syntax/lexer/token.rs:3:5
Dec 05 12:42:23.260 INFO [stderr]   |
Dec 05 12:42:23.260 INFO [stderr] 3 |     Block(Vec<Token>),
Dec 05 12:42:23.260 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 05 12:42:23.260 INFO [stderr]   |
Dec 05 12:42:23.260 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 05 12:42:23.260 INFO [stderr] 
Dec 05 12:42:23.260 INFO [stderr] warning: variant is never constructed: `Tokens`
Dec 05 12:42:23.260 INFO [stderr]  --> src/language/syntax/lexer/block_tree.rs:6:5
Dec 05 12:42:23.260 INFO [stderr]   |
Dec 05 12:42:23.260 INFO [stderr] 6 |     Tokens(Vec<Token>),
Dec 05 12:42:23.260 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 05 12:42:23.260 INFO [stderr] 
Dec 05 12:42:23.260 INFO [stderr] warning: method is never used: `value`
Dec 05 12:42:23.260 INFO [stderr]   --> src/language/syntax/lexer/block_tree.rs:22:5
Dec 05 12:42:23.260 INFO [stderr]    |
Dec 05 12:42:23.260 INFO [stderr] 22 |     pub fn value(&self) -> &ChunkValue {
Dec 05 12:42:23.260 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 12:42:23.260 INFO [stderr] 
Dec 05 12:42:23.260 INFO [stderr] warning: function is never used: `lex_branch`
Dec 05 12:42:23.260 INFO [stderr]   --> src/language/syntax/lexer/lexer.rs:80:1
Dec 05 12:42:23.260 INFO [stderr]    |
Dec 05 12:42:23.260 INFO [stderr] 80 | pub fn lex_branch(branch: &Branch) -> Branch {
Dec 05 12:42:23.260 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 12:42:23.260 INFO [stderr] 
Dec 05 12:42:23.260 INFO [stderr] warning: function is never used: `flatten_branch`
Dec 05 12:42:23.260 INFO [stderr]   --> src/language/syntax/lexer/lexer.rs:98:1
Dec 05 12:42:23.260 INFO [stderr]    |
Dec 05 12:42:23.260 INFO [stderr] 98 | pub fn flatten_branch(branch: &Branch) -> Vec<Token> {
Dec 05 12:42:23.260 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 12:42:23.260 INFO [stderr] 
Dec 05 12:42:23.260 INFO [stderr] warning: function is never used: `process_branch`
Dec 05 12:42:23.260 INFO [stderr]    --> src/language/syntax/lexer/lexer.rs:110:1
Dec 05 12:42:23.260 INFO [stderr]     |
Dec 05 12:42:23.260 INFO [stderr] 110 | pub fn process_branch(branch: &Branch) -> Vec<Token> {
Dec 05 12:42:23.260 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 12:42:23.260 INFO [stderr] 
Dec 05 12:42:23.260 INFO [stderr] warning: variant is never constructed: `Block`
Dec 05 12:42:23.260 INFO [stderr]   --> src/language/syntax/parser/ast.rs:15:5
Dec 05 12:42:23.260 INFO [stderr]    |
Dec 05 12:42:23.260 INFO [stderr] 15 |     Block(Box<Vec<Statement>>),
Dec 05 12:42:23.260 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 12:42:23.260 INFO [stderr] 
Dec 05 12:42:23.260 INFO [stderr] warning: variant is never constructed: `Jump`
Dec 05 12:42:23.260 INFO [stderr]   --> src/language/vm/op.rs:21:5
Dec 05 12:42:23.260 INFO [stderr]    |
Dec 05 12:42:23.260 INFO [stderr] 21 |     Jump(i32),
Dec 05 12:42:23.260 INFO [stderr]    |     ^^^^^^^^^
Dec 05 12:42:23.260 INFO [stderr] 
Dec 05 12:42:23.261 INFO [stderr] warning: function is never used: `test`
Dec 05 12:42:23.261 INFO [stderr]   --> src/main.rs:61:1
Dec 05 12:42:23.261 INFO [stderr]    |
Dec 05 12:42:23.261 INFO [stderr] 61 | fn test() {
Dec 05 12:42:23.261 INFO [stderr]    | ^^^^^^^^^
Dec 05 12:42:23.261 INFO [stderr] 
Dec 05 12:42:23.261 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 12:42:23.261 INFO [stderr]   --> src/main.rs:53:17
Dec 05 12:42:23.261 INFO [stderr]    |
Dec 05 12:42:23.261 INFO [stderr] 53 |                 vm.run(&mut scopes);
Dec 05 12:42:23.261 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^
Dec 05 12:42:23.261 INFO [stderr]    |
Dec 05 12:42:23.261 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 12:42:23.261 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 12:42:23.261 INFO [stderr] 
Dec 05 12:42:23.261 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 12:42:23.261 INFO [stderr]   --> src/main.rs:92:5
Dec 05 12:42:23.261 INFO [stderr]    |
Dec 05 12:42:23.261 INFO [stderr] 92 |     vm.run(&mut scopes);
Dec 05 12:42:23.261 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 05 12:42:23.261 INFO [stderr]    |
Dec 05 12:42:23.261 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 12:42:23.261 INFO [stderr] 
Dec 05 12:42:25.748 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.39s
Dec 05 12:42:25.752 INFO [stderr] su: No module specific data is present
Dec 05 12:42:26.558 INFO running `"docker" "inspect" "d614985814226a07e379172b1d863c39dbdc6a4d30c84858748e8f13e649d0d5"`
Dec 05 12:42:26.831 INFO running `"docker" "rm" "-f" "d614985814226a07e379172b1d863c39dbdc6a4d30c84858748e8f13e649d0d5"`
Dec 05 12:42:27.179 INFO [stdout] d614985814226a07e379172b1d863c39dbdc6a4d30c84858748e8f13e649d0d5
Dec 05 12:42:27.184 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +906deae0790bd18681b937fe9a141a3c26cf1855-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 05 12:42:27.625 INFO [stdout] d5eec24ffd19817d21c6ad94a4d1d7489c843bd7589da746c507be051141da18
Dec 05 12:42:27.630 INFO running `"docker" "start" "-a" "d5eec24ffd19817d21c6ad94a4d1d7489c843bd7589da746c507be051141da18"`
Dec 05 12:42:29.404 INFO [stderr] usermod: no changes
Dec 05 12:42:29.444 INFO [stderr]    Compiling ketchup v0.1.0 (/source)
Dec 05 12:42:29.836 INFO [stderr] warning: unused import: `Op`
Dec 05 12:42:29.836 INFO [stderr]   --> src/language/mod.rs:11:14
Dec 05 12:42:29.836 INFO [stderr]    |
Dec 05 12:42:29.836 INFO [stderr] 11 |     use vm::{Op, Value, Object, Native};
Dec 05 12:42:29.836 INFO [stderr]    |              ^^
Dec 05 12:42:29.836 INFO [stderr]    |
Dec 05 12:42:29.836 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 05 12:42:29.836 INFO [stderr] 
Dec 05 12:42:29.920 INFO [stderr] warning: unreachable expression
Dec 05 12:42:29.920 INFO [stderr]   --> src/language/mod.rs:50:9
Dec 05 12:42:29.920 INFO [stderr]    |
Dec 05 12:42:29.920 INFO [stderr] 50 |         Value::Nil
Dec 05 12:42:29.920 INFO [stderr]    |         ^^^^^^^^^^
Dec 05 12:42:29.920 INFO [stderr]    |
Dec 05 12:42:29.920 INFO [stderr]    = note: #[warn(unreachable_code)] on by default
Dec 05 12:42:29.920 INFO [stderr] 
Dec 05 12:42:30.153 INFO [stderr] warning: unreachable pattern
Dec 05 12:42:30.153 INFO [stderr]    --> src/language/mod.rs:114:13
Dec 05 12:42:30.153 INFO [stderr]     |
Dec 05 12:42:30.153 INFO [stderr] 114 |             _ => panic!("unimplemented expression!") ,
Dec 05 12:42:30.153 INFO [stderr]     |             ^
Dec 05 12:42:30.153 INFO [stderr]     |
Dec 05 12:42:30.153 INFO [stderr]     = note: #[warn(unreachable_patterns)] on by default
Dec 05 12:42:30.153 INFO [stderr] 
Dec 05 12:42:30.153 INFO [stderr] warning: unreachable pattern
Dec 05 12:42:30.153 INFO [stderr]    --> src/language/mod.rs:157:17
Dec 05 12:42:30.153 INFO [stderr]     |
Dec 05 12:42:30.153 INFO [stderr] 157 |                 _ => panic!("unstable/unimplemented statement!?")
Dec 05 12:42:30.153 INFO [stderr]     |                 ^
Dec 05 12:42:30.153 INFO [stderr] 
Dec 05 12:42:30.156 INFO [stderr] warning: unreachable pattern
Dec 05 12:42:30.156 INFO [stderr]   --> src/language/vm/mod.rs:63:17
Dec 05 12:42:30.156 INFO [stderr]    |
Dec 05 12:42:30.156 INFO [stderr] 63 |                 Op::Name(ref n) => {
Dec 05 12:42:30.156 INFO [stderr]    |                 ^^^^^^^^^^^^^^^
Dec 05 12:42:30.156 INFO [stderr] 
Dec 05 12:42:30.156 INFO [stderr] warning: unreachable pattern
Dec 05 12:42:30.156 INFO [stderr]    --> src/language/vm/mod.rs:129:17
Dec 05 12:42:30.156 INFO [stderr]     |
Dec 05 12:42:30.156 INFO [stderr] 129 |                 _ => panic!("angery, not covered!?!"),
Dec 05 12:42:30.156 INFO [stderr]     |                 ^
Dec 05 12:42:30.156 INFO [stderr] 
Dec 05 12:42:30.158 INFO [stderr] warning: value assigned to `body` is never read
Dec 05 12:42:30.158 INFO [stderr]    --> src/language/syntax/parser/mod.rs:186:29
Dec 05 12:42:30.159 INFO [stderr]     |
Dec 05 12:42:30.159 INFO [stderr] 186 |                     let mut body: Option<Vec<Statement>> = None;
Dec 05 12:42:30.159 INFO [stderr]     |                             ^^^^
Dec 05 12:42:30.159 INFO [stderr]     |
Dec 05 12:42:30.159 INFO [stderr]     = note: #[warn(unused_assignments)] on by default
Dec 05 12:42:30.159 INFO [stderr] 
Dec 05 12:42:30.159 INFO [stderr] warning: unused variable: `t`
Dec 05 12:42:30.159 INFO [stderr]    --> src/language/syntax/parser/mod.rs:215:25
Dec 05 12:42:30.159 INFO [stderr]     |
Dec 05 12:42:30.159 INFO [stderr] 215 |                         t => body = Some(vec!(Statement::Expression(Box::new(self.expression())))),
Dec 05 12:42:30.159 INFO [stderr]     |                         ^ help: consider using `_t` instead
Dec 05 12:42:30.159 INFO [stderr]     |
Dec 05 12:42:30.159 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 05 12:42:30.159 INFO [stderr] 
Dec 05 12:42:30.164 INFO [stderr] warning: variable does not need to be mutable
Dec 05 12:42:30.164 INFO [stderr]   --> src/main.rs:65:9
Dec 05 12:42:30.164 INFO [stderr]    |
Dec 05 12:42:30.164 INFO [stderr] 65 |     let mut test = r#"
Dec 05 12:42:30.164 INFO [stderr]    |         ----^^^^
Dec 05 12:42:30.164 INFO [stderr]    |         |
Dec 05 12:42:30.164 INFO [stderr]    |         help: remove this `mut`
Dec 05 12:42:30.164 INFO [stderr]    |
Dec 05 12:42:30.164 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 12:42:30.164 INFO [stderr] 
Dec 05 12:42:30.286 INFO [stderr] warning: variant is never constructed: `Block`
Dec 05 12:42:30.287 INFO [stderr]  --> src/language/syntax/lexer/token.rs:3:5
Dec 05 12:42:30.287 INFO [stderr]   |
Dec 05 12:42:30.287 INFO [stderr] 3 |     Block(Vec<Token>),
Dec 05 12:42:30.287 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 05 12:42:30.287 INFO [stderr]   |
Dec 05 12:42:30.287 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 05 12:42:30.287 INFO [stderr] 
Dec 05 12:42:30.287 INFO [stderr] warning: variant is never constructed: `Tokens`
Dec 05 12:42:30.287 INFO [stderr]  --> src/language/syntax/lexer/block_tree.rs:6:5
Dec 05 12:42:30.287 INFO [stderr]   |
Dec 05 12:42:30.287 INFO [stderr] 6 |     Tokens(Vec<Token>),
Dec 05 12:42:30.287 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 05 12:42:30.287 INFO [stderr] 
Dec 05 12:42:30.287 INFO [stderr] warning: method is never used: `value`
Dec 05 12:42:30.287 INFO [stderr]   --> src/language/syntax/lexer/block_tree.rs:22:5
Dec 05 12:42:30.287 INFO [stderr]    |
Dec 05 12:42:30.287 INFO [stderr] 22 |     pub fn value(&self) -> &ChunkValue {
Dec 05 12:42:30.287 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 12:42:30.287 INFO [stderr] 
Dec 05 12:42:30.287 INFO [stderr] warning: function is never used: `lex_branch`
Dec 05 12:42:30.287 INFO [stderr]   --> src/language/syntax/lexer/lexer.rs:80:1
Dec 05 12:42:30.287 INFO [stderr]    |
Dec 05 12:42:30.287 INFO [stderr] 80 | pub fn lex_branch(branch: &Branch) -> Branch {
Dec 05 12:42:30.287 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 12:42:30.287 INFO [stderr] 
Dec 05 12:42:30.287 INFO [stderr] warning: function is never used: `flatten_branch`
Dec 05 12:42:30.287 INFO [stderr]   --> src/language/syntax/lexer/lexer.rs:98:1
Dec 05 12:42:30.287 INFO [stderr]    |
Dec 05 12:42:30.287 INFO [stderr] 98 | pub fn flatten_branch(branch: &Branch) -> Vec<Token> {
Dec 05 12:42:30.287 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 12:42:30.287 INFO [stderr] 
Dec 05 12:42:30.287 INFO [stderr] warning: function is never used: `process_branch`
Dec 05 12:42:30.287 INFO [stderr]    --> src/language/syntax/lexer/lexer.rs:110:1
Dec 05 12:42:30.287 INFO [stderr]     |
Dec 05 12:42:30.287 INFO [stderr] 110 | pub fn process_branch(branch: &Branch) -> Vec<Token> {
Dec 05 12:42:30.287 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 12:42:30.287 INFO [stderr] 
Dec 05 12:42:30.287 INFO [stderr] warning: variant is never constructed: `Block`
Dec 05 12:42:30.287 INFO [stderr]   --> src/language/syntax/parser/ast.rs:15:5
Dec 05 12:42:30.287 INFO [stderr]    |
Dec 05 12:42:30.287 INFO [stderr] 15 |     Block(Box<Vec<Statement>>),
Dec 05 12:42:30.288 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 12:42:30.288 INFO [stderr] 
Dec 05 12:42:30.288 INFO [stderr] warning: variant is never constructed: `Jump`
Dec 05 12:42:30.288 INFO [stderr]   --> src/language/vm/op.rs:21:5
Dec 05 12:42:30.288 INFO [stderr]    |
Dec 05 12:42:30.288 INFO [stderr] 21 |     Jump(i32),
Dec 05 12:42:30.288 INFO [stderr]    |     ^^^^^^^^^
Dec 05 12:42:30.288 INFO [stderr] 
Dec 05 12:42:30.288 INFO [stderr] warning: function is never used: `test`
Dec 05 12:42:30.288 INFO [stderr]   --> src/main.rs:61:1
Dec 05 12:42:30.288 INFO [stderr]    |
Dec 05 12:42:30.288 INFO [stderr] 61 | fn test() {
Dec 05 12:42:30.288 INFO [stderr]    | ^^^^^^^^^
Dec 05 12:42:30.288 INFO [stderr] 
Dec 05 12:42:30.294 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 12:42:30.294 INFO [stderr]   --> src/main.rs:53:17
Dec 05 12:42:30.295 INFO [stderr]    |
Dec 05 12:42:30.295 INFO [stderr] 53 |                 vm.run(&mut scopes);
Dec 05 12:42:30.295 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^
Dec 05 12:42:30.295 INFO [stderr]    |
Dec 05 12:42:30.296 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 12:42:30.296 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 12:42:30.296 INFO [stderr] 
Dec 05 12:42:30.296 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 12:42:30.297 INFO [stderr]   --> src/main.rs:92:5
Dec 05 12:42:30.297 INFO [stderr]    |
Dec 05 12:42:30.297 INFO [stderr] 92 |     vm.run(&mut scopes);
Dec 05 12:42:30.297 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 05 12:42:30.298 INFO [stderr]    |
Dec 05 12:42:30.301 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 12:42:30.301 INFO [stderr] 
Dec 05 12:42:30.615 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.18s
Dec 05 12:42:30.617 INFO [stderr] su: No module specific data is present
Dec 05 12:42:30.930 INFO running `"docker" "inspect" "d5eec24ffd19817d21c6ad94a4d1d7489c843bd7589da746c507be051141da18"`
Dec 05 12:42:31.054 INFO running `"docker" "rm" "-f" "d5eec24ffd19817d21c6ad94a4d1d7489c843bd7589da746c507be051141da18"`
Dec 05 12:42:31.168 INFO [stdout] d5eec24ffd19817d21c6ad94a4d1d7489c843bd7589da746c507be051141da18
Dec 05 12:42:31.170 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +906deae0790bd18681b937fe9a141a3c26cf1855-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 05 12:42:31.466 INFO [stdout] c67a13b5147228e1f40f955143af934dfc6bd17c222b04002d70233182c8792d
Dec 05 12:42:31.468 INFO running `"docker" "start" "-a" "c67a13b5147228e1f40f955143af934dfc6bd17c222b04002d70233182c8792d"`
Dec 05 12:42:32.114 INFO [stderr] usermod: no changes
Dec 05 12:42:32.152 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 05 12:42:32.152 INFO [stdout] 
Dec 05 12:42:32.152 INFO [stderr]      Running /target/debug/deps/ketchup-15d9f84c9f9b91d2
Dec 05 12:42:32.152 INFO [stdout] running 0 tests
Dec 05 12:42:32.152 INFO [stderr] su: No module specific data is present
Dec 05 12:42:32.152 INFO [stdout] 
Dec 05 12:42:32.152 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 12:42:32.152 INFO [stdout] 
Dec 05 12:42:32.678 INFO running `"docker" "inspect" "c67a13b5147228e1f40f955143af934dfc6bd17c222b04002d70233182c8792d"`
Dec 05 12:42:32.902 INFO running `"docker" "rm" "-f" "c67a13b5147228e1f40f955143af934dfc6bd17c222b04002d70233182c8792d"`
Dec 05 12:42:33.093 INFO [stdout] c67a13b5147228e1f40f955143af934dfc6bd17c222b04002d70233182c8792d