[INFO] updating cached repository nilq/ketchup
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nilq/ketchup
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nilq/ketchup" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/nilq/ketchup"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/nilq/ketchup'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nilq/ketchup" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/nilq/ketchup"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/nilq/ketchup'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a7015cf97d074264852cf4941843d1bc058d2501
[INFO] sha for GitHub repo nilq/ketchup: a7015cf97d074264852cf4941843d1bc058d2501
[INFO] validating manifest of nilq/ketchup on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of nilq/ketchup on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing nilq/ketchup
[INFO] finished frobbing nilq/ketchup
[INFO] frobbed toml for nilq/ketchup written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/nilq/ketchup/Cargo.toml
[INFO] started frobbing nilq/ketchup
[INFO] finished frobbing nilq/ketchup
[INFO] frobbed toml for nilq/ketchup written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/nilq/ketchup/Cargo.toml
[INFO] crate nilq/ketchup already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking nilq/ketchup against try#99a7498759a22b5684caf798a98b7e90ad9d2443 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-2/try#99a7498759a22b5684caf798a98b7e90ad9d2443:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/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" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0e264b58628608503ff68bf48a2423155d9d0e7c6dce63d519c189b3e9106e80
[INFO] running `"docker" "start" "-a" "0e264b58628608503ff68bf48a2423155d9d0e7c6dce63d519c189b3e9106e80"`
[INFO] [stderr]     Checking ketchup v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Op`
[INFO] [stderr]   --> src/language/mod.rs:11:14
[INFO] [stderr]    |
[INFO] [stderr] 11 |     use vm::{Op, Value, Object, Native};
[INFO] [stderr]    |              ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Op`
[INFO] [stderr]   --> src/language/mod.rs:11:14
[INFO] [stderr]    |
[INFO] [stderr] 11 |     use vm::{Op, Value, Object, Native};
[INFO] [stderr]    |              ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/language/mod.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |         Value::Nil
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/language/mod.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |         Value::Nil
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/language/mod.rs:114:13
[INFO] [stderr]     |
[INFO] [stderr] 114 |             _ => panic!("unimplemented expression!") ,
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unreachable_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/language/mod.rs:157:17
[INFO] [stderr]     |
[INFO] [stderr] 157 |                 _ => panic!("unstable/unimplemented statement!?")
[INFO] [stderr]     |                 ^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/language/vm/mod.rs:63:17
[INFO] [stderr]    |
[INFO] [stderr] 63 |                 Op::Name(ref n) => {
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/language/vm/mod.rs:129:17
[INFO] [stderr]     |
[INFO] [stderr] 129 |                 _ => panic!("angery, not covered!?!"),
[INFO] [stderr]     |                 ^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/language/mod.rs:114:13
[INFO] [stderr]     |
[INFO] [stderr] 114 |             _ => panic!("unimplemented expression!") ,
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unreachable_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/language/mod.rs:157:17
[INFO] [stderr]     |
[INFO] [stderr] 157 |                 _ => panic!("unstable/unimplemented statement!?")
[INFO] [stderr]     |                 ^
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `body` is never read
[INFO] [stderr]    --> src/language/syntax/parser/mod.rs:186:29
[INFO] [stderr]     |
[INFO] [stderr] 186 |                     let mut body: Option<Vec<Statement>> = None;
[INFO] [stderr]     |                             ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t`
[INFO] [stderr]    --> src/language/syntax/parser/mod.rs:215:25
[INFO] [stderr]     |
[INFO] [stderr] 215 |                         t => body = Some(vec!(Statement::Expression(Box::new(self.expression())))),
[INFO] [stderr]     |                         ^ help: consider prefixing with an underscore: `_t`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:65:9
[INFO] [stderr]    |
[INFO] [stderr] 65 |     let mut test = r#"
[INFO] [stderr]    |         ----^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/language/vm/mod.rs:63:17
[INFO] [stderr]    |
[INFO] [stderr] 63 |                 Op::Name(ref n) => {
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/language/vm/mod.rs:129:17
[INFO] [stderr]     |
[INFO] [stderr] 129 |                 _ => panic!("angery, not covered!?!"),
[INFO] [stderr]     |                 ^
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `body` is never read
[INFO] [stderr]    --> src/language/syntax/parser/mod.rs:186:29
[INFO] [stderr]     |
[INFO] [stderr] 186 |                     let mut body: Option<Vec<Statement>> = None;
[INFO] [stderr]     |                             ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t`
[INFO] [stderr]    --> src/language/syntax/parser/mod.rs:215:25
[INFO] [stderr]     |
[INFO] [stderr] 215 |                         t => body = Some(vec!(Statement::Expression(Box::new(self.expression())))),
[INFO] [stderr]     |                         ^ help: consider prefixing with an underscore: `_t`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:65:9
[INFO] [stderr]    |
[INFO] [stderr] 65 |     let mut test = r#"
[INFO] [stderr]    |         ----^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Block`
[INFO] [stderr]  --> src/language/syntax/lexer/token.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     Block(Vec<Token>),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Tokens`
[INFO] [stderr]  --> src/language/syntax/lexer/block_tree.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Tokens(Vec<Token>),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `value`
[INFO] [stderr]   --> src/language/syntax/lexer/block_tree.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn value(&self) -> &ChunkValue {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `lex_branch`
[INFO] [stderr]   --> src/language/syntax/lexer/lexer.rs:80:1
[INFO] [stderr]    |
[INFO] [stderr] 80 | pub fn lex_branch(branch: &Branch) -> Branch {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `flatten_branch`
[INFO] [stderr]   --> src/language/syntax/lexer/lexer.rs:98:1
[INFO] [stderr]    |
[INFO] [stderr] 98 | pub fn flatten_branch(branch: &Branch) -> Vec<Token> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `process_branch`
[INFO] [stderr]    --> src/language/syntax/lexer/lexer.rs:110:1
[INFO] [stderr]     |
[INFO] [stderr] 110 | pub fn process_branch(branch: &Branch) -> Vec<Token> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Block`
[INFO] [stderr]   --> src/language/syntax/parser/ast.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     Block(Box<Vec<Statement>>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Jump`
[INFO] [stderr]   --> src/language/vm/op.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     Jump(i32),
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test`
[INFO] [stderr]   --> src/main.rs:61:1
[INFO] [stderr]    |
[INFO] [stderr] 61 | fn test() {
[INFO] [stderr]    | ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Block`
[INFO] [stderr]  --> src/language/syntax/lexer/token.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     Block(Vec<Token>),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:53:17
[INFO] [stderr]    |
[INFO] [stderr] 53 |                 vm.run(&mut scopes);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] warning: variant is never constructed: `Tokens`
[INFO] [stderr]  --> src/language/syntax/lexer/block_tree.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Tokens(Vec<Token>),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `value`
[INFO] [stderr]   --> src/language/syntax/lexer/block_tree.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn value(&self) -> &ChunkValue {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `lex_branch`
[INFO] [stderr]   --> src/language/syntax/lexer/lexer.rs:80:1
[INFO] [stderr]    |
[INFO] [stderr] 80 | pub fn lex_branch(branch: &Branch) -> Branch {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `flatten_branch`
[INFO] [stderr]   --> src/language/syntax/lexer/lexer.rs:98:1
[INFO] [stderr]    |
[INFO] [stderr] 98 | pub fn flatten_branch(branch: &Branch) -> Vec<Token> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `process_branch`
[INFO] [stderr]    --> src/language/syntax/lexer/lexer.rs:110:1
[INFO] [stderr]     |
[INFO] [stderr] 110 | pub fn process_branch(branch: &Branch) -> Vec<Token> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Block`
[INFO] [stderr]   --> src/language/syntax/parser/ast.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     Block(Box<Vec<Statement>>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Jump`
[INFO] [stderr]   --> src/language/vm/op.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     Jump(i32),
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test`
[INFO] [stderr]   --> src/main.rs:61:1
[INFO] [stderr]    |
[INFO] [stderr] 61 | fn test() {
[INFO] [stderr]    | ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:92:5
[INFO] [stderr]    |
[INFO] [stderr] 92 |     vm.run(&mut scopes);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:53:17
[INFO] [stderr]    |
[INFO] [stderr] 53 |                 vm.run(&mut scopes);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:92:5
[INFO] [stderr]    |
[INFO] [stderr] 92 |     vm.run(&mut scopes);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `"docker" "inspect" "0e264b58628608503ff68bf48a2423155d9d0e7c6dce63d519c189b3e9106e80"`
[INFO] running `"docker" "rm" "-f" "0e264b58628608503ff68bf48a2423155d9d0e7c6dce63d519c189b3e9106e80"`
[INFO] [stdout] 0e264b58628608503ff68bf48a2423155d9d0e7c6dce63d519c189b3e9106e80