Dec 17 18:42:40.345 INFO checking nilq/ketchup against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 18:42:40.345 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/nilq/ketchup:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 18:42:40.600 INFO [stdout] 024b09799af17073e02001a1080d8adb3a0fccda4b74d9b3d9866593cad3771e
Dec 17 18:42:40.606 INFO running `"docker" "start" "-a" "024b09799af17073e02001a1080d8adb3a0fccda4b74d9b3d9866593cad3771e"`
Dec 17 18:42:41.211 INFO [stderr]     Checking ketchup v0.1.0 (/opt/crater/workdir)
Dec 17 18:42:41.464 INFO [stderr] warning: unused import: `Op`
Dec 17 18:42:41.464 INFO [stderr] warning: unused import: `Op`
Dec 17 18:42:41.464 INFO [stderr]   --> src/language/mod.rs:11:14
Dec 17 18:42:41.464 INFO [stderr]    |
Dec 17 18:42:41.464 INFO [stderr] 11 |     use vm::{Op, Value, Object, Native};
Dec 17 18:42:41.464 INFO [stderr]    |              ^^
Dec 17 18:42:41.464 INFO [stderr]    |
Dec 17 18:42:41.464 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 17 18:42:41.464 INFO [stderr] 
Dec 17 18:42:41.464 INFO [stderr]   --> src/language/mod.rs:11:14
Dec 17 18:42:41.464 INFO [stderr]    |
Dec 17 18:42:41.464 INFO [stderr] 11 |     use vm::{Op, Value, Object, Native};
Dec 17 18:42:41.464 INFO [stderr]    |              ^^
Dec 17 18:42:41.464 INFO [stderr]    |
Dec 17 18:42:41.464 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 17 18:42:41.464 INFO [stderr] 
Dec 17 18:42:41.568 INFO [stderr] warning: unreachable expression
Dec 17 18:42:41.568 INFO [stderr]   --> src/language/mod.rs:50:9
Dec 17 18:42:41.568 INFO [stderr]    |
Dec 17 18:42:41.568 INFO [stderr] 50 |         Value::Nil
Dec 17 18:42:41.568 INFO [stderr]    |         ^^^^^^^^^^
Dec 17 18:42:41.568 INFO [stderr]    |
Dec 17 18:42:41.568 INFO [stderr]    = note: #[warn(unreachable_code)] on by default
Dec 17 18:42:41.568 INFO [stderr] 
Dec 17 18:42:41.568 INFO [stderr] warning: unreachable expression
Dec 17 18:42:41.568 INFO [stderr]   --> src/language/mod.rs:50:9
Dec 17 18:42:41.568 INFO [stderr]    |
Dec 17 18:42:41.568 INFO [stderr] 50 |         Value::Nil
Dec 17 18:42:41.568 INFO [stderr]    |         ^^^^^^^^^^
Dec 17 18:42:41.568 INFO [stderr]    |
Dec 17 18:42:41.568 INFO [stderr]    = note: #[warn(unreachable_code)] on by default
Dec 17 18:42:41.568 INFO [stderr] 
Dec 17 18:42:41.772 INFO [stderr] warning: unreachable pattern
Dec 17 18:42:41.772 INFO [stderr]    --> src/language/mod.rs:114:13
Dec 17 18:42:41.772 INFO [stderr]     |
Dec 17 18:42:41.772 INFO [stderr] 114 |             _ => panic!("unimplemented expression!") ,
Dec 17 18:42:41.772 INFO [stderr]     |             ^
Dec 17 18:42:41.772 INFO [stderr]     |
Dec 17 18:42:41.772 INFO [stderr]     = note: #[warn(unreachable_patterns)] on by default
Dec 17 18:42:41.772 INFO [stderr] 
Dec 17 18:42:41.772 INFO [stderr] warning: unreachable pattern
Dec 17 18:42:41.772 INFO [stderr]    --> src/language/mod.rs:157:17
Dec 17 18:42:41.772 INFO [stderr]     |
Dec 17 18:42:41.772 INFO [stderr] 157 |                 _ => panic!("unstable/unimplemented statement!?")
Dec 17 18:42:41.772 INFO [stderr]     |                 ^
Dec 17 18:42:41.772 INFO [stderr] 
Dec 17 18:42:41.772 INFO [stderr] warning: unreachable pattern
Dec 17 18:42:41.772 INFO [stderr]   --> src/language/vm/mod.rs:63:17
Dec 17 18:42:41.772 INFO [stderr]    |
Dec 17 18:42:41.772 INFO [stderr] 63 |                 Op::Name(ref n) => {
Dec 17 18:42:41.772 INFO [stderr]    |                 ^^^^^^^^^^^^^^^
Dec 17 18:42:41.772 INFO [stderr] 
Dec 17 18:42:41.772 INFO [stderr] warning: unreachable pattern
Dec 17 18:42:41.772 INFO [stderr]    --> src/language/vm/mod.rs:129:17
Dec 17 18:42:41.772 INFO [stderr]     |
Dec 17 18:42:41.772 INFO [stderr] 129 |                 _ => panic!("angery, not covered!?!"),
Dec 17 18:42:41.772 INFO [stderr]     |                 ^
Dec 17 18:42:41.772 INFO [stderr] 
Dec 17 18:42:41.772 INFO [stderr] warning: value assigned to `body` is never read
Dec 17 18:42:41.772 INFO [stderr]    --> src/language/syntax/parser/mod.rs:186:29
Dec 17 18:42:41.772 INFO [stderr]     |
Dec 17 18:42:41.772 INFO [stderr] 186 |                     let mut body: Option<Vec<Statement>> = None;
Dec 17 18:42:41.772 INFO [stderr]     |                             ^^^^
Dec 17 18:42:41.772 INFO [stderr]     |
Dec 17 18:42:41.772 INFO [stderr]     = note: #[warn(unused_assignments)] on by default
Dec 17 18:42:41.772 INFO [stderr] 
Dec 17 18:42:41.772 INFO [stderr] warning: unused variable: `t`
Dec 17 18:42:41.772 INFO [stderr]    --> src/language/syntax/parser/mod.rs:215:25
Dec 17 18:42:41.772 INFO [stderr]     |
Dec 17 18:42:41.772 INFO [stderr] 215 |                         t => body = Some(vec!(Statement::Expression(Box::new(self.expression())))),
Dec 17 18:42:41.772 INFO [stderr]     |                         ^ help: consider using `_t` instead
Dec 17 18:42:41.772 INFO [stderr]     |
Dec 17 18:42:41.772 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 17 18:42:41.772 INFO [stderr] 
Dec 17 18:42:41.772 INFO [stderr] warning: unreachable pattern
Dec 17 18:42:41.772 INFO [stderr]    --> src/language/mod.rs:114:13
Dec 17 18:42:41.773 INFO [stderr]     |
Dec 17 18:42:41.773 INFO [stderr] 114 |             _ => panic!("unimplemented expression!") ,
Dec 17 18:42:41.773 INFO [stderr]     |             ^
Dec 17 18:42:41.773 INFO [stderr]     |
Dec 17 18:42:41.773 INFO [stderr]     = note: #[warn(unreachable_patterns)] on by default
Dec 17 18:42:41.773 INFO [stderr] 
Dec 17 18:42:41.773 INFO [stderr] warning: unreachable pattern
Dec 17 18:42:41.773 INFO [stderr]    --> src/language/mod.rs:157:17
Dec 17 18:42:41.773 INFO [stderr]     |
Dec 17 18:42:41.773 INFO [stderr] 157 |                 _ => panic!("unstable/unimplemented statement!?")
Dec 17 18:42:41.773 INFO [stderr]     |                 ^
Dec 17 18:42:41.773 INFO [stderr] 
Dec 17 18:42:41.773 INFO [stderr] warning: unreachable pattern
Dec 17 18:42:41.773 INFO [stderr]   --> src/language/vm/mod.rs:63:17
Dec 17 18:42:41.773 INFO [stderr]    |
Dec 17 18:42:41.773 INFO [stderr] 63 |                 Op::Name(ref n) => {
Dec 17 18:42:41.773 INFO [stderr]    |                 ^^^^^^^^^^^^^^^
Dec 17 18:42:41.773 INFO [stderr] 
Dec 17 18:42:41.773 INFO [stderr] warning: unreachable pattern
Dec 17 18:42:41.773 INFO [stderr]    --> src/language/vm/mod.rs:129:17
Dec 17 18:42:41.773 INFO [stderr]     |
Dec 17 18:42:41.773 INFO [stderr] 129 |                 _ => panic!("angery, not covered!?!"),
Dec 17 18:42:41.773 INFO [stderr]     |                 ^
Dec 17 18:42:41.773 INFO [stderr] 
Dec 17 18:42:41.773 INFO [stderr] warning: value assigned to `body` is never read
Dec 17 18:42:41.773 INFO [stderr]    --> src/language/syntax/parser/mod.rs:186:29
Dec 17 18:42:41.773 INFO [stderr]     |
Dec 17 18:42:41.773 INFO [stderr] 186 |                     let mut body: Option<Vec<Statement>> = None;
Dec 17 18:42:41.773 INFO [stderr]     |                             ^^^^
Dec 17 18:42:41.773 INFO [stderr] warning: variable does not need to be mutable
Dec 17 18:42:41.773 INFO [stderr]   --> src/main.rs:65:9
Dec 17 18:42:41.773 INFO [stderr]    |
Dec 17 18:42:41.773 INFO [stderr] 65 |     let mut test = r#"
Dec 17 18:42:41.773 INFO [stderr]    |         ----^^^^
Dec 17 18:42:41.773 INFO [stderr]    |         |
Dec 17 18:42:41.773 INFO [stderr]    |         help: remove this `mut`
Dec 17 18:42:41.773 INFO [stderr]    |
Dec 17 18:42:41.773 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 18:42:41.773 INFO [stderr] 
Dec 17 18:42:41.773 INFO [stderr]     |
Dec 17 18:42:41.773 INFO [stderr]     = note: #[warn(unused_assignments)] on by default
Dec 17 18:42:41.773 INFO [stderr] 
Dec 17 18:42:41.773 INFO [stderr] warning: unused variable: `t`
Dec 17 18:42:41.773 INFO [stderr]    --> src/language/syntax/parser/mod.rs:215:25
Dec 17 18:42:41.773 INFO [stderr]     |
Dec 17 18:42:41.773 INFO [stderr] 215 |                         t => body = Some(vec!(Statement::Expression(Box::new(self.expression())))),
Dec 17 18:42:41.773 INFO [stderr]     |                         ^ help: consider using `_t` instead
Dec 17 18:42:41.773 INFO [stderr]     |
Dec 17 18:42:41.773 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 17 18:42:41.773 INFO [stderr] 
Dec 17 18:42:41.773 INFO [stderr] warning: variable does not need to be mutable
Dec 17 18:42:41.773 INFO [stderr]   --> src/main.rs:65:9
Dec 17 18:42:41.773 INFO [stderr]    |
Dec 17 18:42:41.773 INFO [stderr] 65 |     let mut test = r#"
Dec 17 18:42:41.773 INFO [stderr]    |         ----^^^^
Dec 17 18:42:41.773 INFO [stderr]    |         |
Dec 17 18:42:41.773 INFO [stderr]    |         help: remove this `mut`
Dec 17 18:42:41.773 INFO [stderr]    |
Dec 17 18:42:41.773 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 18:42:41.773 INFO [stderr] 
Dec 17 18:42:41.890 INFO [stderr] warning: variant is never constructed: `Block`
Dec 17 18:42:41.890 INFO [stderr]  --> src/language/syntax/lexer/token.rs:3:5
Dec 17 18:42:41.890 INFO [stderr]   |
Dec 17 18:42:41.890 INFO [stderr] 3 |     Block(Vec<Token>),
Dec 17 18:42:41.890 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 17 18:42:41.890 INFO [stderr]   |
Dec 17 18:42:41.890 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 18:42:41.890 INFO [stderr] 
Dec 17 18:42:41.890 INFO [stderr] warning: variant is never constructed: `Tokens`
Dec 17 18:42:41.890 INFO [stderr]  --> src/language/syntax/lexer/block_tree.rs:6:5
Dec 17 18:42:41.890 INFO [stderr]   |
Dec 17 18:42:41.890 INFO [stderr] 6 |     Tokens(Vec<Token>),
Dec 17 18:42:41.890 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 17 18:42:41.890 INFO [stderr] 
Dec 17 18:42:41.890 INFO [stderr] warning: method is never used: `value`
Dec 17 18:42:41.890 INFO [stderr]   --> src/language/syntax/lexer/block_tree.rs:22:5
Dec 17 18:42:41.890 INFO [stderr]    |
Dec 17 18:42:41.890 INFO [stderr] 22 |     pub fn value(&self) -> &ChunkValue {
Dec 17 18:42:41.890 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:42:41.890 INFO [stderr] 
Dec 17 18:42:41.890 INFO [stderr] warning: function is never used: `lex_branch`
Dec 17 18:42:41.890 INFO [stderr]   --> src/language/syntax/lexer/lexer.rs:80:1
Dec 17 18:42:41.890 INFO [stderr]    |
Dec 17 18:42:41.890 INFO [stderr] 80 | pub fn lex_branch(branch: &Branch) -> Branch {
Dec 17 18:42:41.890 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:42:41.890 INFO [stderr] 
Dec 17 18:42:41.890 INFO [stderr] warning: function is never used: `flatten_branch`
Dec 17 18:42:41.890 INFO [stderr]   --> src/language/syntax/lexer/lexer.rs:98:1
Dec 17 18:42:41.890 INFO [stderr]    |
Dec 17 18:42:41.890 INFO [stderr] 98 | pub fn flatten_branch(branch: &Branch) -> Vec<Token> {
Dec 17 18:42:41.890 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:42:41.890 INFO [stderr] 
Dec 17 18:42:41.890 INFO [stderr] warning: function is never used: `process_branch`
Dec 17 18:42:41.890 INFO [stderr]    --> src/language/syntax/lexer/lexer.rs:110:1
Dec 17 18:42:41.890 INFO [stderr]     |
Dec 17 18:42:41.890 INFO [stderr] 110 | pub fn process_branch(branch: &Branch) -> Vec<Token> {
Dec 17 18:42:41.890 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:42:41.890 INFO [stderr] 
Dec 17 18:42:41.890 INFO [stderr] warning: variant is never constructed: `Block`
Dec 17 18:42:41.891 INFO [stderr]   --> src/language/syntax/parser/ast.rs:15:5
Dec 17 18:42:41.891 INFO [stderr]    |
Dec 17 18:42:41.891 INFO [stderr] 15 |     Block(Box<Vec<Statement>>),
Dec 17 18:42:41.891 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:42:41.891 INFO [stderr] 
Dec 17 18:42:41.891 INFO [stderr] warning: variant is never constructed: `Jump`
Dec 17 18:42:41.891 INFO [stderr]   --> src/language/vm/op.rs:21:5
Dec 17 18:42:41.891 INFO [stderr]    |
Dec 17 18:42:41.891 INFO [stderr] 21 |     Jump(i32),
Dec 17 18:42:41.891 INFO [stderr]    |     ^^^^^^^^^
Dec 17 18:42:41.891 INFO [stderr] 
Dec 17 18:42:41.891 INFO [stderr] warning: function is never used: `test`
Dec 17 18:42:41.891 INFO [stderr]   --> src/main.rs:61:1
Dec 17 18:42:41.891 INFO [stderr]    |
Dec 17 18:42:41.891 INFO [stderr] 61 | fn test() {
Dec 17 18:42:41.891 INFO [stderr]    | ^^^^^^^^^
Dec 17 18:42:41.891 INFO [stderr] 
Dec 17 18:42:41.900 INFO [stderr] warning: variant is never constructed: `Block`
Dec 17 18:42:41.900 INFO [stderr]  --> src/language/syntax/lexer/token.rs:3:5
Dec 17 18:42:41.900 INFO [stderr]   |
Dec 17 18:42:41.900 INFO [stderr] 3 |     Block(Vec<Token>),
Dec 17 18:42:41.900 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 17 18:42:41.900 INFO [stderr]   |
Dec 17 18:42:41.900 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 18:42:41.900 INFO [stderr] 
Dec 17 18:42:41.900 INFO [stderr] warning: variant is never constructed: `Tokens`
Dec 17 18:42:41.900 INFO [stderr]  --> src/language/syntax/lexer/block_tree.rs:6:5
Dec 17 18:42:41.900 INFO [stderr]   |
Dec 17 18:42:41.900 INFO [stderr] 6 |     Tokens(Vec<Token>),
Dec 17 18:42:41.900 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 17 18:42:41.900 INFO [stderr] 
Dec 17 18:42:41.900 INFO [stderr] warning: method is never used: `value`
Dec 17 18:42:41.900 INFO [stderr]   --> src/language/syntax/lexer/block_tree.rs:22:5
Dec 17 18:42:41.900 INFO [stderr]    |
Dec 17 18:42:41.900 INFO [stderr] 22 |     pub fn value(&self) -> &ChunkValue {
Dec 17 18:42:41.900 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:42:41.900 INFO [stderr] 
Dec 17 18:42:41.900 INFO [stderr] warning: function is never used: `lex_branch`
Dec 17 18:42:41.900 INFO [stderr]   --> src/language/syntax/lexer/lexer.rs:80:1
Dec 17 18:42:41.900 INFO [stderr]    |
Dec 17 18:42:41.900 INFO [stderr] 80 | pub fn lex_branch(branch: &Branch) -> Branch {
Dec 17 18:42:41.900 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:42:41.900 INFO [stderr] 
Dec 17 18:42:41.900 INFO [stderr] warning: function is never used: `flatten_branch`
Dec 17 18:42:41.900 INFO [stderr]   --> src/language/syntax/lexer/lexer.rs:98:1
Dec 17 18:42:41.900 INFO [stderr]    |
Dec 17 18:42:41.900 INFO [stderr] 98 | pub fn flatten_branch(branch: &Branch) -> Vec<Token> {
Dec 17 18:42:41.900 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:42:41.900 INFO [stderr] 
Dec 17 18:42:41.900 INFO [stderr] warning: function is never used: `process_branch`
Dec 17 18:42:41.900 INFO [stderr]    --> src/language/syntax/lexer/lexer.rs:110:1
Dec 17 18:42:41.900 INFO [stderr]     |
Dec 17 18:42:41.900 INFO [stderr] 110 | pub fn process_branch(branch: &Branch) -> Vec<Token> {
Dec 17 18:42:41.900 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:42:41.900 INFO [stderr] 
Dec 17 18:42:41.900 INFO [stderr] warning: variant is never constructed: `Block`
Dec 17 18:42:41.900 INFO [stderr]   --> src/language/syntax/parser/ast.rs:15:5
Dec 17 18:42:41.901 INFO [stderr]    |
Dec 17 18:42:41.901 INFO [stderr] 15 |     Block(Box<Vec<Statement>>),
Dec 17 18:42:41.901 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:42:41.901 INFO [stderr] 
Dec 17 18:42:41.901 INFO [stderr] warning: variant is never constructed: `Jump`
Dec 17 18:42:41.901 INFO [stderr]   --> src/language/vm/op.rs:21:5
Dec 17 18:42:41.901 INFO [stderr]    |
Dec 17 18:42:41.901 INFO [stderr] 21 |     Jump(i32),
Dec 17 18:42:41.901 INFO [stderr]    |     ^^^^^^^^^
Dec 17 18:42:41.901 INFO [stderr] 
Dec 17 18:42:41.901 INFO [stderr] warning: function is never used: `test`
Dec 17 18:42:41.901 INFO [stderr]   --> src/main.rs:61:1
Dec 17 18:42:41.901 INFO [stderr]    |
Dec 17 18:42:41.901 INFO [stderr] 61 | fn test() {
Dec 17 18:42:41.901 INFO [stderr]    | ^^^^^^^^^
Dec 17 18:42:41.901 INFO [stderr] 
Dec 17 18:42:41.901 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 18:42:41.901 INFO [stderr]   --> src/main.rs:53:17
Dec 17 18:42:41.901 INFO [stderr]    |
Dec 17 18:42:41.901 INFO [stderr] 53 |                 vm.run(&mut scopes);
Dec 17 18:42:41.901 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^
Dec 17 18:42:41.901 INFO [stderr]    |
Dec 17 18:42:41.901 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 18:42:41.901 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 18:42:41.901 INFO [stderr] 
Dec 17 18:42:41.901 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 18:42:41.901 INFO [stderr]   --> src/main.rs:92:5
Dec 17 18:42:41.901 INFO [stderr]    |
Dec 17 18:42:41.901 INFO [stderr] 92 |     vm.run(&mut scopes);
Dec 17 18:42:41.901 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 17 18:42:41.901 INFO [stderr]    |
Dec 17 18:42:41.901 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 18:42:41.901 INFO [stderr] 
Dec 17 18:42:41.901 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 18:42:41.901 INFO [stderr]   --> src/main.rs:53:17
Dec 17 18:42:41.901 INFO [stderr]    |
Dec 17 18:42:41.901 INFO [stderr] 53 |                 vm.run(&mut scopes);
Dec 17 18:42:41.901 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^
Dec 17 18:42:41.901 INFO [stderr]    |
Dec 17 18:42:41.901 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 18:42:41.901 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 18:42:41.901 INFO [stderr] 
Dec 17 18:42:41.901 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 18:42:41.901 INFO [stderr]   --> src/main.rs:92:5
Dec 17 18:42:41.901 INFO [stderr]    |
Dec 17 18:42:41.901 INFO [stderr] 92 |     vm.run(&mut scopes);
Dec 17 18:42:41.901 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 17 18:42:41.901 INFO [stderr]    |
Dec 17 18:42:41.901 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 18:42:41.901 INFO [stderr] 
Dec 17 18:42:41.928 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
Dec 17 18:42:42.207 INFO running `"docker" "inspect" "024b09799af17073e02001a1080d8adb3a0fccda4b74d9b3d9866593cad3771e"`
Dec 17 18:42:42.319 INFO running `"docker" "rm" "-f" "024b09799af17073e02001a1080d8adb3a0fccda4b74d9b3d9866593cad3771e"`
Dec 17 18:42:42.411 INFO [stdout] 024b09799af17073e02001a1080d8adb3a0fccda4b74d9b3d9866593cad3771e