[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/beta-1.38-1/sources/1.37.0/gh/nilq/ketchup"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/nilq/ketchup'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/nilq/ketchup" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nilq/ketchup"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of nilq/ketchup on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing nilq/ketchup against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=warn" "-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" "+1.37.0" "build" "--frozen"` [INFO] [stdout] 6e3c61089bf818c4f829cb55818a6cac4f2184128aca8e23872babe768619e85 [INFO] running `"docker" "start" "-a" "6e3c61089bf818c4f829cb55818a6cac4f2184128aca8e23872babe768619e85"` [INFO] [stderr] Compiling ketchup v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/language/syntax/lexer/tokenizer.rs:41:28 [INFO] [stderr] | [INFO] [stderr] 41 | pub fn new(items: &mut Iterator) -> Tokenizer { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/language/syntax/lexer/tokenizer.rs:112:49 [INFO] [stderr] | [INFO] [stderr] 112 | pub fn try_match_token(&mut self, matcher: &Matcher) -> Option { [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Matcher` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/language/syntax/lexer/lexer.rs:116:23 [INFO] [stderr] | [INFO] [stderr] 116 | matchers: Vec>, [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Matcher` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/language/syntax/lexer/lexer.rs:138:40 [INFO] [stderr] | [INFO] [stderr] 138 | pub fn matchers(&self) -> &Vec> { [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Matcher` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/language/syntax/lexer/lexer.rs:142:52 [INFO] [stderr] | [INFO] [stderr] 142 | pub fn matchers_mut(&mut self) -> &mut Vec> { [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Matcher` [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 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: 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> = 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), [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), [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 { [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 { [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>), [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: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] Finished dev [unoptimized + debuginfo] target(s) in 2.21s [INFO] running `"docker" "inspect" "6e3c61089bf818c4f829cb55818a6cac4f2184128aca8e23872babe768619e85"` [INFO] running `"docker" "rm" "-f" "6e3c61089bf818c4f829cb55818a6cac4f2184128aca8e23872babe768619e85"` [INFO] [stdout] 6e3c61089bf818c4f829cb55818a6cac4f2184128aca8e23872babe768619e85 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"` [INFO] [stdout] ba0174f333dbc0cf1770258a21037d04d0af7ca8b72e5ea85de6fae35ab1bca8 [INFO] running `"docker" "start" "-a" "ba0174f333dbc0cf1770258a21037d04d0af7ca8b72e5ea85de6fae35ab1bca8"` [INFO] [stderr] Compiling ketchup v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/language/syntax/lexer/tokenizer.rs:41:28 [INFO] [stderr] | [INFO] [stderr] 41 | pub fn new(items: &mut Iterator) -> Tokenizer { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/language/syntax/lexer/tokenizer.rs:112:49 [INFO] [stderr] | [INFO] [stderr] 112 | pub fn try_match_token(&mut self, matcher: &Matcher) -> Option { [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Matcher` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/language/syntax/lexer/lexer.rs:116:23 [INFO] [stderr] | [INFO] [stderr] 116 | matchers: Vec>, [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Matcher` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/language/syntax/lexer/lexer.rs:138:40 [INFO] [stderr] | [INFO] [stderr] 138 | pub fn matchers(&self) -> &Vec> { [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Matcher` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/language/syntax/lexer/lexer.rs:142:52 [INFO] [stderr] | [INFO] [stderr] 142 | pub fn matchers_mut(&mut self) -> &mut Vec> { [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Matcher` [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 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: 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> = 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), [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), [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 { [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 { [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>), [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: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] Finished dev [unoptimized + debuginfo] target(s) in 0.79s [INFO] running `"docker" "inspect" "ba0174f333dbc0cf1770258a21037d04d0af7ca8b72e5ea85de6fae35ab1bca8"` [INFO] running `"docker" "rm" "-f" "ba0174f333dbc0cf1770258a21037d04d0af7ca8b72e5ea85de6fae35ab1bca8"` [INFO] [stdout] ba0174f333dbc0cf1770258a21037d04d0af7ca8b72e5ea85de6fae35ab1bca8 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=warn" "-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" "+1.37.0" "test" "--frozen"` [INFO] [stdout] d02f0628b6668e1cb20d38d0a90519278f7ca5081534fb0ab9f1508ef39c2b5c [INFO] running `"docker" "start" "-a" "d02f0628b6668e1cb20d38d0a90519278f7ca5081534fb0ab9f1508ef39c2b5c"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/crater/target/debug/deps/ketchup-8df92a59c1b15e91 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "d02f0628b6668e1cb20d38d0a90519278f7ca5081534fb0ab9f1508ef39c2b5c"` [INFO] running `"docker" "rm" "-f" "d02f0628b6668e1cb20d38d0a90519278f7ca5081534fb0ab9f1508ef39c2b5c"` [INFO] [stdout] d02f0628b6668e1cb20d38d0a90519278f7ca5081534fb0ab9f1508ef39c2b5c