Dec 13 08:50:38.140 INFO testing nilq/ketchup against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 08:50:38.141 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 13 08:50:38.549 INFO [stdout] 79491f73c04923899376fb059ff02becbcf9f7e255a6e0495e6921bffb17d58d
Dec 13 08:50:38.549 INFO running `"docker" "start" "-a" "79491f73c04923899376fb059ff02becbcf9f7e255a6e0495e6921bffb17d58d"`
Dec 13 08:50:39.754 INFO [stderr] usermod: no changes
Dec 13 08:50:39.855 INFO [stderr]    Compiling ketchup v0.1.0 (/source)
Dec 13 08:50:40.242 INFO [stderr] warning: unused import: `Op`
Dec 13 08:50:40.242 INFO [stderr]   --> src/language/mod.rs:11:14
Dec 13 08:50:40.242 INFO [stderr]    |
Dec 13 08:50:40.242 INFO [stderr] 11 |     use vm::{Op, Value, Object, Native};
Dec 13 08:50:40.242 INFO [stderr]    |              ^^
Dec 13 08:50:40.242 INFO [stderr]    |
Dec 13 08:50:40.242 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 13 08:50:40.242 INFO [stderr] 
Dec 13 08:50:40.334 INFO [stderr] warning: unreachable expression
Dec 13 08:50:40.334 INFO [stderr]   --> src/language/mod.rs:50:9
Dec 13 08:50:40.334 INFO [stderr]    |
Dec 13 08:50:40.334 INFO [stderr] 50 |         Value::Nil
Dec 13 08:50:40.334 INFO [stderr]    |         ^^^^^^^^^^
Dec 13 08:50:40.334 INFO [stderr]    |
Dec 13 08:50:40.334 INFO [stderr]    = note: #[warn(unreachable_code)] on by default
Dec 13 08:50:40.334 INFO [stderr] 
Dec 13 08:50:40.571 INFO [stderr] warning: unreachable pattern
Dec 13 08:50:40.571 INFO [stderr]    --> src/language/mod.rs:114:13
Dec 13 08:50:40.571 INFO [stderr]     |
Dec 13 08:50:40.571 INFO [stderr] 114 |             _ => panic!("unimplemented expression!") ,
Dec 13 08:50:40.571 INFO [stderr]     |             ^
Dec 13 08:50:40.571 INFO [stderr]     |
Dec 13 08:50:40.571 INFO [stderr]     = note: #[warn(unreachable_patterns)] on by default
Dec 13 08:50:40.571 INFO [stderr] 
Dec 13 08:50:40.571 INFO [stderr] warning: unreachable pattern
Dec 13 08:50:40.571 INFO [stderr]    --> src/language/mod.rs:157:17
Dec 13 08:50:40.571 INFO [stderr]     |
Dec 13 08:50:40.571 INFO [stderr] 157 |                 _ => panic!("unstable/unimplemented statement!?")
Dec 13 08:50:40.571 INFO [stderr]     |                 ^
Dec 13 08:50:40.571 INFO [stderr] 
Dec 13 08:50:40.571 INFO [stderr] warning: unreachable pattern
Dec 13 08:50:40.571 INFO [stderr]   --> src/language/vm/mod.rs:63:17
Dec 13 08:50:40.571 INFO [stderr]    |
Dec 13 08:50:40.571 INFO [stderr] 63 |                 Op::Name(ref n) => {
Dec 13 08:50:40.571 INFO [stderr]    |                 ^^^^^^^^^^^^^^^
Dec 13 08:50:40.571 INFO [stderr] 
Dec 13 08:50:40.571 INFO [stderr] warning: unreachable pattern
Dec 13 08:50:40.571 INFO [stderr]    --> src/language/vm/mod.rs:129:17
Dec 13 08:50:40.571 INFO [stderr]     |
Dec 13 08:50:40.571 INFO [stderr] 129 |                 _ => panic!("angery, not covered!?!"),
Dec 13 08:50:40.571 INFO [stderr]     |                 ^
Dec 13 08:50:40.571 INFO [stderr] 
Dec 13 08:50:40.571 INFO [stderr] warning: value assigned to `body` is never read
Dec 13 08:50:40.571 INFO [stderr]    --> src/language/syntax/parser/mod.rs:186:29
Dec 13 08:50:40.571 INFO [stderr]     |
Dec 13 08:50:40.571 INFO [stderr] 186 |                     let mut body: Option<Vec<Statement>> = None;
Dec 13 08:50:40.571 INFO [stderr]     |                             ^^^^
Dec 13 08:50:40.571 INFO [stderr]     |
Dec 13 08:50:40.571 INFO [stderr]     = note: #[warn(unused_assignments)] on by default
Dec 13 08:50:40.571 INFO [stderr] 
Dec 13 08:50:40.571 INFO [stderr] warning: unused variable: `t`
Dec 13 08:50:40.571 INFO [stderr]    --> src/language/syntax/parser/mod.rs:215:25
Dec 13 08:50:40.571 INFO [stderr]     |
Dec 13 08:50:40.571 INFO [stderr] 215 |                         t => body = Some(vec!(Statement::Expression(Box::new(self.expression())))),
Dec 13 08:50:40.571 INFO [stderr]     |                         ^ help: consider using `_t` instead
Dec 13 08:50:40.571 INFO [stderr]     |
Dec 13 08:50:40.571 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 13 08:50:40.571 INFO [stderr] 
Dec 13 08:50:40.579 INFO [stderr] warning: variable does not need to be mutable
Dec 13 08:50:40.579 INFO [stderr]   --> src/main.rs:65:9
Dec 13 08:50:40.579 INFO [stderr]    |
Dec 13 08:50:40.579 INFO [stderr] 65 |     let mut test = r#"
Dec 13 08:50:40.579 INFO [stderr]    |         ----^^^^
Dec 13 08:50:40.579 INFO [stderr]    |         |
Dec 13 08:50:40.579 INFO [stderr]    |         help: remove this `mut`
Dec 13 08:50:40.579 INFO [stderr]    |
Dec 13 08:50:40.579 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 13 08:50:40.579 INFO [stderr] 
Dec 13 08:50:40.716 INFO [stderr] warning: variant is never constructed: `Block`
Dec 13 08:50:40.716 INFO [stderr]  --> src/language/syntax/lexer/token.rs:3:5
Dec 13 08:50:40.716 INFO [stderr]   |
Dec 13 08:50:40.716 INFO [stderr] 3 |     Block(Vec<Token>),
Dec 13 08:50:40.716 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 13 08:50:40.716 INFO [stderr]   |
Dec 13 08:50:40.716 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 13 08:50:40.716 INFO [stderr] 
Dec 13 08:50:40.716 INFO [stderr] warning: variant is never constructed: `Tokens`
Dec 13 08:50:40.716 INFO [stderr]  --> src/language/syntax/lexer/block_tree.rs:6:5
Dec 13 08:50:40.716 INFO [stderr]   |
Dec 13 08:50:40.716 INFO [stderr] 6 |     Tokens(Vec<Token>),
Dec 13 08:50:40.716 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 13 08:50:40.716 INFO [stderr] 
Dec 13 08:50:40.716 INFO [stderr] warning: method is never used: `value`
Dec 13 08:50:40.716 INFO [stderr]   --> src/language/syntax/lexer/block_tree.rs:22:5
Dec 13 08:50:40.716 INFO [stderr]    |
Dec 13 08:50:40.716 INFO [stderr] 22 |     pub fn value(&self) -> &ChunkValue {
Dec 13 08:50:40.716 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 08:50:40.716 INFO [stderr] 
Dec 13 08:50:40.716 INFO [stderr] warning: function is never used: `lex_branch`
Dec 13 08:50:40.716 INFO [stderr]   --> src/language/syntax/lexer/lexer.rs:80:1
Dec 13 08:50:40.716 INFO [stderr]    |
Dec 13 08:50:40.716 INFO [stderr] 80 | pub fn lex_branch(branch: &Branch) -> Branch {
Dec 13 08:50:40.716 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 08:50:40.716 INFO [stderr] 
Dec 13 08:50:40.716 INFO [stderr] warning: function is never used: `flatten_branch`
Dec 13 08:50:40.716 INFO [stderr]   --> src/language/syntax/lexer/lexer.rs:98:1
Dec 13 08:50:40.716 INFO [stderr]    |
Dec 13 08:50:40.716 INFO [stderr] 98 | pub fn flatten_branch(branch: &Branch) -> Vec<Token> {
Dec 13 08:50:40.716 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 08:50:40.717 INFO [stderr] 
Dec 13 08:50:40.717 INFO [stderr] warning: function is never used: `process_branch`
Dec 13 08:50:40.717 INFO [stderr]    --> src/language/syntax/lexer/lexer.rs:110:1
Dec 13 08:50:40.717 INFO [stderr]     |
Dec 13 08:50:40.717 INFO [stderr] 110 | pub fn process_branch(branch: &Branch) -> Vec<Token> {
Dec 13 08:50:40.717 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 08:50:40.717 INFO [stderr] 
Dec 13 08:50:40.717 INFO [stderr] warning: variant is never constructed: `Block`
Dec 13 08:50:40.717 INFO [stderr]   --> src/language/syntax/parser/ast.rs:15:5
Dec 13 08:50:40.717 INFO [stderr]    |
Dec 13 08:50:40.717 INFO [stderr] 15 |     Block(Box<Vec<Statement>>),
Dec 13 08:50:40.717 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 08:50:40.717 INFO [stderr] 
Dec 13 08:50:40.717 INFO [stderr] warning: variant is never constructed: `Jump`
Dec 13 08:50:40.717 INFO [stderr]   --> src/language/vm/op.rs:21:5
Dec 13 08:50:40.717 INFO [stderr]    |
Dec 13 08:50:40.717 INFO [stderr] 21 |     Jump(i32),
Dec 13 08:50:40.717 INFO [stderr]    |     ^^^^^^^^^
Dec 13 08:50:40.717 INFO [stderr] 
Dec 13 08:50:40.717 INFO [stderr] warning: function is never used: `test`
Dec 13 08:50:40.717 INFO [stderr]   --> src/main.rs:61:1
Dec 13 08:50:40.717 INFO [stderr]    |
Dec 13 08:50:40.717 INFO [stderr] 61 | fn test() {
Dec 13 08:50:40.717 INFO [stderr]    | ^^^^^^^^^
Dec 13 08:50:40.717 INFO [stderr] 
Dec 13 08:50:40.728 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 08:50:40.728 INFO [stderr]   --> src/main.rs:53:17
Dec 13 08:50:40.728 INFO [stderr]    |
Dec 13 08:50:40.728 INFO [stderr] 53 |                 vm.run(&mut scopes);
Dec 13 08:50:40.728 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^
Dec 13 08:50:40.728 INFO [stderr]    |
Dec 13 08:50:40.728 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 13 08:50:40.728 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 08:50:40.728 INFO [stderr] 
Dec 13 08:50:40.728 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 08:50:40.728 INFO [stderr]   --> src/main.rs:92:5
Dec 13 08:50:40.728 INFO [stderr]    |
Dec 13 08:50:40.728 INFO [stderr] 92 |     vm.run(&mut scopes);
Dec 13 08:50:40.728 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 13 08:50:40.728 INFO [stderr]    |
Dec 13 08:50:40.728 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 08:50:40.728 INFO [stderr] 
Dec 13 08:50:42.194 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.40s
Dec 13 08:50:42.197 INFO [stderr] su: No module specific data is present
Dec 13 08:50:42.480 INFO running `"docker" "inspect" "79491f73c04923899376fb059ff02becbcf9f7e255a6e0495e6921bffb17d58d"`
Dec 13 08:50:42.657 INFO running `"docker" "rm" "-f" "79491f73c04923899376fb059ff02becbcf9f7e255a6e0495e6921bffb17d58d"`
Dec 13 08:50:43.008 INFO [stdout] 79491f73c04923899376fb059ff02becbcf9f7e255a6e0495e6921bffb17d58d
Dec 13 08:50:43.010 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 13 08:50:43.252 INFO [stdout] 4275ced82c41b5e43510b22f57d554a43e99cd950c794d45f275f554566fc4af
Dec 13 08:50:43.256 INFO running `"docker" "start" "-a" "4275ced82c41b5e43510b22f57d554a43e99cd950c794d45f275f554566fc4af"`
Dec 13 08:50:44.111 INFO [stderr] usermod: no changes
Dec 13 08:50:44.187 INFO [stderr]    Compiling ketchup v0.1.0 (/source)
Dec 13 08:50:44.651 INFO [stderr] warning: unused import: `Op`
Dec 13 08:50:44.651 INFO [stderr]   --> src/language/mod.rs:11:14
Dec 13 08:50:44.655 INFO [stderr]    |
Dec 13 08:50:44.655 INFO [stderr] 11 |     use vm::{Op, Value, Object, Native};
Dec 13 08:50:44.655 INFO [stderr]    |              ^^
Dec 13 08:50:44.655 INFO [stderr]    |
Dec 13 08:50:44.655 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 13 08:50:44.655 INFO [stderr] 
Dec 13 08:50:44.752 INFO [stderr] warning: unreachable expression
Dec 13 08:50:44.752 INFO [stderr]   --> src/language/mod.rs:50:9
Dec 13 08:50:44.752 INFO [stderr]    |
Dec 13 08:50:44.752 INFO [stderr] 50 |         Value::Nil
Dec 13 08:50:44.752 INFO [stderr]    |         ^^^^^^^^^^
Dec 13 08:50:44.752 INFO [stderr]    |
Dec 13 08:50:44.753 INFO [stderr]    = note: #[warn(unreachable_code)] on by default
Dec 13 08:50:44.753 INFO [stderr] 
Dec 13 08:50:44.999 INFO [stderr] warning: unreachable pattern
Dec 13 08:50:44.999 INFO [stderr]    --> src/language/mod.rs:114:13
Dec 13 08:50:44.999 INFO [stderr]     |
Dec 13 08:50:44.999 INFO [stderr] 114 |             _ => panic!("unimplemented expression!") ,
Dec 13 08:50:44.999 INFO [stderr]     |             ^
Dec 13 08:50:44.999 INFO [stderr]     |
Dec 13 08:50:44.999 INFO [stderr]     = note: #[warn(unreachable_patterns)] on by default
Dec 13 08:50:44.999 INFO [stderr] 
Dec 13 08:50:44.999 INFO [stderr] warning: unreachable pattern
Dec 13 08:50:44.999 INFO [stderr]    --> src/language/mod.rs:157:17
Dec 13 08:50:44.999 INFO [stderr]     |
Dec 13 08:50:44.999 INFO [stderr] 157 |                 _ => panic!("unstable/unimplemented statement!?")
Dec 13 08:50:44.999 INFO [stderr]     |                 ^
Dec 13 08:50:44.999 INFO [stderr] 
Dec 13 08:50:44.999 INFO [stderr] warning: unreachable pattern
Dec 13 08:50:44.999 INFO [stderr]   --> src/language/vm/mod.rs:63:17
Dec 13 08:50:44.999 INFO [stderr]    |
Dec 13 08:50:44.999 INFO [stderr] 63 |                 Op::Name(ref n) => {
Dec 13 08:50:44.999 INFO [stderr]    |                 ^^^^^^^^^^^^^^^
Dec 13 08:50:44.999 INFO [stderr] 
Dec 13 08:50:44.999 INFO [stderr] warning: unreachable pattern
Dec 13 08:50:44.999 INFO [stderr]    --> src/language/vm/mod.rs:129:17
Dec 13 08:50:44.999 INFO [stderr]     |
Dec 13 08:50:44.999 INFO [stderr] 129 |                 _ => panic!("angery, not covered!?!"),
Dec 13 08:50:44.999 INFO [stderr]     |                 ^
Dec 13 08:50:44.999 INFO [stderr] 
Dec 13 08:50:45.002 INFO [stderr] warning: value assigned to `body` is never read
Dec 13 08:50:45.002 INFO [stderr]    --> src/language/syntax/parser/mod.rs:186:29
Dec 13 08:50:45.002 INFO [stderr]     |
Dec 13 08:50:45.002 INFO [stderr] 186 |                     let mut body: Option<Vec<Statement>> = None;
Dec 13 08:50:45.002 INFO [stderr]     |                             ^^^^
Dec 13 08:50:45.002 INFO [stderr]     |
Dec 13 08:50:45.002 INFO [stderr]     = note: #[warn(unused_assignments)] on by default
Dec 13 08:50:45.002 INFO [stderr] 
Dec 13 08:50:45.002 INFO [stderr] warning: unused variable: `t`
Dec 13 08:50:45.002 INFO [stderr]    --> src/language/syntax/parser/mod.rs:215:25
Dec 13 08:50:45.002 INFO [stderr]     |
Dec 13 08:50:45.002 INFO [stderr] 215 |                         t => body = Some(vec!(Statement::Expression(Box::new(self.expression())))),
Dec 13 08:50:45.002 INFO [stderr]     |                         ^ help: consider using `_t` instead
Dec 13 08:50:45.002 INFO [stderr]     |
Dec 13 08:50:45.002 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 13 08:50:45.002 INFO [stderr] 
Dec 13 08:50:45.011 INFO [stderr] warning: variable does not need to be mutable
Dec 13 08:50:45.011 INFO [stderr]   --> src/main.rs:65:9
Dec 13 08:50:45.011 INFO [stderr]    |
Dec 13 08:50:45.011 INFO [stderr] 65 |     let mut test = r#"
Dec 13 08:50:45.011 INFO [stderr]    |         ----^^^^
Dec 13 08:50:45.011 INFO [stderr]    |         |
Dec 13 08:50:45.011 INFO [stderr]    |         help: remove this `mut`
Dec 13 08:50:45.011 INFO [stderr]    |
Dec 13 08:50:45.011 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 13 08:50:45.011 INFO [stderr] 
Dec 13 08:50:45.135 INFO [stderr] warning: variant is never constructed: `Block`
Dec 13 08:50:45.135 INFO [stderr]  --> src/language/syntax/lexer/token.rs:3:5
Dec 13 08:50:45.135 INFO [stderr]   |
Dec 13 08:50:45.135 INFO [stderr] 3 |     Block(Vec<Token>),
Dec 13 08:50:45.135 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 13 08:50:45.135 INFO [stderr]   |
Dec 13 08:50:45.135 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 13 08:50:45.135 INFO [stderr] 
Dec 13 08:50:45.135 INFO [stderr] warning: variant is never constructed: `Tokens`
Dec 13 08:50:45.135 INFO [stderr]  --> src/language/syntax/lexer/block_tree.rs:6:5
Dec 13 08:50:45.135 INFO [stderr]   |
Dec 13 08:50:45.135 INFO [stderr] 6 |     Tokens(Vec<Token>),
Dec 13 08:50:45.135 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 13 08:50:45.135 INFO [stderr] 
Dec 13 08:50:45.135 INFO [stderr] warning: method is never used: `value`
Dec 13 08:50:45.135 INFO [stderr]   --> src/language/syntax/lexer/block_tree.rs:22:5
Dec 13 08:50:45.135 INFO [stderr]    |
Dec 13 08:50:45.135 INFO [stderr] 22 |     pub fn value(&self) -> &ChunkValue {
Dec 13 08:50:45.135 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 08:50:45.135 INFO [stderr] 
Dec 13 08:50:45.135 INFO [stderr] warning: function is never used: `lex_branch`
Dec 13 08:50:45.135 INFO [stderr]   --> src/language/syntax/lexer/lexer.rs:80:1
Dec 13 08:50:45.135 INFO [stderr]    |
Dec 13 08:50:45.135 INFO [stderr] 80 | pub fn lex_branch(branch: &Branch) -> Branch {
Dec 13 08:50:45.135 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 08:50:45.135 INFO [stderr] 
Dec 13 08:50:45.135 INFO [stderr] warning: function is never used: `flatten_branch`
Dec 13 08:50:45.135 INFO [stderr]   --> src/language/syntax/lexer/lexer.rs:98:1
Dec 13 08:50:45.135 INFO [stderr]    |
Dec 13 08:50:45.135 INFO [stderr] 98 | pub fn flatten_branch(branch: &Branch) -> Vec<Token> {
Dec 13 08:50:45.136 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 08:50:45.136 INFO [stderr] 
Dec 13 08:50:45.136 INFO [stderr] warning: function is never used: `process_branch`
Dec 13 08:50:45.136 INFO [stderr]    --> src/language/syntax/lexer/lexer.rs:110:1
Dec 13 08:50:45.136 INFO [stderr]     |
Dec 13 08:50:45.136 INFO [stderr] 110 | pub fn process_branch(branch: &Branch) -> Vec<Token> {
Dec 13 08:50:45.136 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 08:50:45.136 INFO [stderr] 
Dec 13 08:50:45.136 INFO [stderr] warning: variant is never constructed: `Block`
Dec 13 08:50:45.136 INFO [stderr]   --> src/language/syntax/parser/ast.rs:15:5
Dec 13 08:50:45.136 INFO [stderr]    |
Dec 13 08:50:45.136 INFO [stderr] 15 |     Block(Box<Vec<Statement>>),
Dec 13 08:50:45.136 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 08:50:45.136 INFO [stderr] 
Dec 13 08:50:45.136 INFO [stderr] warning: variant is never constructed: `Jump`
Dec 13 08:50:45.136 INFO [stderr]   --> src/language/vm/op.rs:21:5
Dec 13 08:50:45.136 INFO [stderr]    |
Dec 13 08:50:45.136 INFO [stderr] 21 |     Jump(i32),
Dec 13 08:50:45.136 INFO [stderr]    |     ^^^^^^^^^
Dec 13 08:50:45.136 INFO [stderr] 
Dec 13 08:50:45.136 INFO [stderr] warning: function is never used: `test`
Dec 13 08:50:45.136 INFO [stderr]   --> src/main.rs:61:1
Dec 13 08:50:45.136 INFO [stderr]    |
Dec 13 08:50:45.136 INFO [stderr] 61 | fn test() {
Dec 13 08:50:45.136 INFO [stderr]    | ^^^^^^^^^
Dec 13 08:50:45.136 INFO [stderr] 
Dec 13 08:50:45.145 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 08:50:45.146 INFO [stderr]   --> src/main.rs:53:17
Dec 13 08:50:45.146 INFO [stderr]    |
Dec 13 08:50:45.146 INFO [stderr] 53 |                 vm.run(&mut scopes);
Dec 13 08:50:45.146 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^
Dec 13 08:50:45.146 INFO [stderr]    |
Dec 13 08:50:45.146 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 13 08:50:45.146 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 08:50:45.146 INFO [stderr] 
Dec 13 08:50:45.146 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 08:50:45.146 INFO [stderr]   --> src/main.rs:92:5
Dec 13 08:50:45.146 INFO [stderr]    |
Dec 13 08:50:45.146 INFO [stderr] 92 |     vm.run(&mut scopes);
Dec 13 08:50:45.146 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 13 08:50:45.146 INFO [stderr]    |
Dec 13 08:50:45.146 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 08:50:45.146 INFO [stderr] 
Dec 13 08:50:45.511 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.35s
Dec 13 08:50:45.511 INFO [stderr] su: No module specific data is present
Dec 13 08:50:46.355 INFO running `"docker" "inspect" "4275ced82c41b5e43510b22f57d554a43e99cd950c794d45f275f554566fc4af"`
Dec 13 08:50:46.585 INFO running `"docker" "rm" "-f" "4275ced82c41b5e43510b22f57d554a43e99cd950c794d45f275f554566fc4af"`
Dec 13 08:50:46.799 INFO [stdout] 4275ced82c41b5e43510b22f57d554a43e99cd950c794d45f275f554566fc4af
Dec 13 08:50:46.807 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 13 08:50:47.335 INFO [stdout] eea9b125f27ba1990fec2cd58cb799c9ad97acabe651611f7bfcc5a5b14e40bd
Dec 13 08:50:47.340 INFO running `"docker" "start" "-a" "eea9b125f27ba1990fec2cd58cb799c9ad97acabe651611f7bfcc5a5b14e40bd"`
Dec 13 08:50:48.368 INFO [stderr] usermod: no changes
Dec 13 08:50:48.402 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 13 08:50:48.403 INFO [stderr]      Running /target/debug/deps/ketchup-5ef0bf74b0810ce2
Dec 13 08:50:48.405 INFO [stdout] 
Dec 13 08:50:48.408 INFO [stdout] running 0 tests
Dec 13 08:50:48.408 INFO [stdout] 
Dec 13 08:50:48.408 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 08:50:48.408 INFO [stdout] 
Dec 13 08:50:48.408 INFO [stderr] su: No module specific data is present
Dec 13 08:50:48.680 INFO running `"docker" "inspect" "eea9b125f27ba1990fec2cd58cb799c9ad97acabe651611f7bfcc5a5b14e40bd"`
Dec 13 08:50:48.789 INFO running `"docker" "rm" "-f" "eea9b125f27ba1990fec2cd58cb799c9ad97acabe651611f7bfcc5a5b14e40bd"`
Dec 13 08:50:48.878 INFO [stdout] eea9b125f27ba1990fec2cd58cb799c9ad97acabe651611f7bfcc5a5b14e40bd