[INFO] updating cached repository shimomura1004/rust_playground [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/shimomura1004/rust_playground [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/shimomura1004/rust_playground" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/shimomura1004/rust_playground"` [INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/shimomura1004/rust_playground'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/shimomura1004/rust_playground" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/shimomura1004/rust_playground"` [INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/shimomura1004/rust_playground'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] b960e16272527c7c77000e863057e32b37c49b22 [INFO] sha for GitHub repo shimomura1004/rust_playground: b960e16272527c7c77000e863057e32b37c49b22 [INFO] validating manifest of shimomura1004/rust_playground on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of shimomura1004/rust_playground on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing shimomura1004/rust_playground [INFO] finished frobbing shimomura1004/rust_playground [INFO] frobbed toml for shimomura1004/rust_playground written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/shimomura1004/rust_playground/Cargo.toml [INFO] started frobbing shimomura1004/rust_playground [INFO] finished frobbing shimomura1004/rust_playground [INFO] frobbed toml for shimomura1004/rust_playground written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/shimomura1004/rust_playground/Cargo.toml [INFO] crate shimomura1004/rust_playground already has a lockfile, it will not be regenerated [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking shimomura1004/rust_playground against try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b for pr-59199 [INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-1/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/shimomura1004/rust_playground:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] dc96ca8f45c2e88a9d0ef57036d3d2c1f795c7b854c355578223dc7c093616b5 [INFO] running `"docker" "start" "-a" "dc96ca8f45c2e88a9d0ef57036d3d2c1f795c7b854c355578223dc7c093616b5"` [INFO] [stderr] Checking stackmachine v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `parser` [INFO] [stderr] --> src/interpreter/mod.rs:121:5 [INFO] [stderr] | [INFO] [stderr] 121 | use parser; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/interpreter/mod.rs:86:13 [INFO] [stderr] | [INFO] [stderr] 86 | _ => { [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unreachable_patterns)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `input` [INFO] [stderr] --> src/parser/mod.rs:162:21 [INFO] [stderr] | [INFO] [stderr] 162 | fn parse(&self, input : &mut String) -> Result { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_input` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `input` [INFO] [stderr] --> src/parser/mod.rs:241:21 [INFO] [stderr] | [INFO] [stderr] 241 | fn parse(&self, input : &mut String) -> Result { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_input` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `input` [INFO] [stderr] --> src/parser/mod.rs:317:21 [INFO] [stderr] | [INFO] [stderr] 317 | fn parse(&self, input : &mut String) -> Result { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_input` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `t1` [INFO] [stderr] --> src/compiler/mod.rs:28:21 [INFO] [stderr] | [INFO] [stderr] 28 | ExpAst::App(t1, t2) => { [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_t1` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `t2` [INFO] [stderr] --> src/compiler/mod.rs:28:25 [INFO] [stderr] | [INFO] [stderr] 28 | ExpAst::App(t1, t2) => { [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_t2` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `name` [INFO] [stderr] --> src/compiler/mod.rs:31:21 [INFO] [stderr] | [INFO] [stderr] 31 | ExpAst::Var(name) => { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_name` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `exp_ast` [INFO] [stderr] --> src/compiler/mod.rs:63:36 [INFO] [stderr] | [INFO] [stderr] 63 | StatementAst::Assign(name, exp_ast) => (), [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_exp_ast` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `name` [INFO] [stderr] --> src/compiler/mod.rs:63:30 [INFO] [stderr] | [INFO] [stderr] 63 | StatementAst::Assign(name, exp_ast) => (), [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_name` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `ast` [INFO] [stderr] --> src/compiler/mod.rs:67:22 [INFO] [stderr] | [INFO] [stderr] 67 | pub fn compile_block(ast : &BlockAst, code : &mut Vec) { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_ast` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `code` [INFO] [stderr] --> src/compiler/mod.rs:67:39 [INFO] [stderr] | [INFO] [stderr] 67 | pub fn compile_block(ast : &BlockAst, code : &mut Vec) { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_code` [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/interpreter/mod.rs:86:13 [INFO] [stderr] | [INFO] [stderr] 86 | _ => { [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unreachable_patterns)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `input` [INFO] [stderr] --> src/parser/mod.rs:162:21 [INFO] [stderr] | [INFO] [stderr] 162 | fn parse(&self, input : &mut String) -> Result { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_input` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `input` [INFO] [stderr] --> src/parser/mod.rs:241:21 [INFO] [stderr] | [INFO] [stderr] 241 | fn parse(&self, input : &mut String) -> Result { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_input` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `input` [INFO] [stderr] --> src/parser/mod.rs:317:21 [INFO] [stderr] | [INFO] [stderr] 317 | fn parse(&self, input : &mut String) -> Result { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_input` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `t1` [INFO] [stderr] --> src/compiler/mod.rs:28:21 [INFO] [stderr] | [INFO] [stderr] 28 | ExpAst::App(t1, t2) => { [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_t1` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `t2` [INFO] [stderr] --> src/compiler/mod.rs:28:25 [INFO] [stderr] | [INFO] [stderr] 28 | ExpAst::App(t1, t2) => { [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_t2` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `name` [INFO] [stderr] --> src/compiler/mod.rs:31:21 [INFO] [stderr] | [INFO] [stderr] 31 | ExpAst::Var(name) => { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_name` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `exp_ast` [INFO] [stderr] --> src/compiler/mod.rs:63:36 [INFO] [stderr] | [INFO] [stderr] 63 | StatementAst::Assign(name, exp_ast) => (), [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_exp_ast` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `name` [INFO] [stderr] --> src/compiler/mod.rs:63:30 [INFO] [stderr] | [INFO] [stderr] 63 | StatementAst::Assign(name, exp_ast) => (), [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_name` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `ast` [INFO] [stderr] --> src/compiler/mod.rs:67:22 [INFO] [stderr] | [INFO] [stderr] 67 | pub fn compile_block(ast : &BlockAst, code : &mut Vec) { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_ast` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `code` [INFO] [stderr] --> src/compiler/mod.rs:67:39 [INFO] [stderr] | [INFO] [stderr] 67 | pub fn compile_block(ast : &BlockAst, code : &mut Vec) { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_code` [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `PushInt32` [INFO] [stderr] --> src/vm/mod.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | PushInt32(i32), [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Pop` [INFO] [stderr] --> src/vm/mod.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | Pop, [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Add` [INFO] [stderr] --> src/vm/mod.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | Add, [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Sub` [INFO] [stderr] --> src/vm/mod.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | Sub, [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Mul` [INFO] [stderr] --> src/vm/mod.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | Mul, [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Div` [INFO] [stderr] --> src/vm/mod.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | Div, [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Not` [INFO] [stderr] --> src/vm/mod.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | Not, [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Equal` [INFO] [stderr] --> src/vm/mod.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | Equal, // read 2 value from stack, compare them and push 1/0 if values are the same/different [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Load` [INFO] [stderr] --> src/vm/mod.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | Load(usize), // read the n-th item in the stack and push it on top [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Store` [INFO] [stderr] --> src/vm/mod.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | Store(usize), // write value on top of the stack to the n-th item in the stack [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Print` [INFO] [stderr] --> src/vm/mod.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | Print, // print the value on top of the stack [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `JumpIf` [INFO] [stderr] --> src/vm/mod.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | JumpIf(isize), // proceed the PC if top of the stack is not 0 [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `JumpUnless` [INFO] [stderr] --> src/vm/mod.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | JumpUnless(isize), // proced the PC if top of the stack is 0 [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Jump` [INFO] [stderr] --> src/vm/mod.rs:22:5 [INFO] [stderr] | [INFO] [stderr] 22 | Jump(isize), // proceed the PC for the size [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Dump` [INFO] [stderr] --> src/vm/mod.rs:24:5 [INFO] [stderr] | [INFO] [stderr] 24 | Dump, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Num` [INFO] [stderr] --> src/vm/mod.rs:29:5 [INFO] [stderr] | [INFO] [stderr] 29 | Num(i32), [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `process` [INFO] [stderr] --> src/vm/mod.rs:32:1 [INFO] [stderr] | [INFO] [stderr] 32 | pub fn process(program : &Vec) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `compile` [INFO] [stderr] --> src/compiler/mod.rs:6:1 [INFO] [stderr] | [INFO] [stderr] 6 | pub fn compile(ast : &ExpAst, code : &mut Vec) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `compile_statement` [INFO] [stderr] --> src/compiler/mod.rs:60:1 [INFO] [stderr] | [INFO] [stderr] 60 | pub fn compile_statement(ast : &StatementAst, code : &mut Vec) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Sub` [INFO] [stderr] --> src/vm/mod.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | Sub, [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Mul` [INFO] [stderr] --> src/vm/mod.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | Mul, [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Div` [INFO] [stderr] --> src/vm/mod.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | Div, [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `JumpUnless` [INFO] [stderr] --> src/vm/mod.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | JumpUnless(isize), // proced the PC if top of the stack is 0 [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Jump` [INFO] [stderr] --> src/vm/mod.rs:22:5 [INFO] [stderr] | [INFO] [stderr] 22 | Jump(isize), // proceed the PC for the size [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `compile` [INFO] [stderr] --> src/compiler/mod.rs:6:1 [INFO] [stderr] | [INFO] [stderr] 6 | pub fn compile(ast : &ExpAst, code : &mut Vec) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `compile_statement` [INFO] [stderr] --> src/compiler/mod.rs:60:1 [INFO] [stderr] | [INFO] [stderr] 60 | pub fn compile_statement(ast : &StatementAst, code : &mut Vec) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/parser/combinator.rs:404:5 [INFO] [stderr] | [INFO] [stderr] 404 | whitespaces.parse(&mut input); [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/parser/combinator.rs:411:5 [INFO] [stderr] | [INFO] [stderr] 411 | whitespaces.parse(&mut input); [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 0.94s [INFO] running `"docker" "inspect" "dc96ca8f45c2e88a9d0ef57036d3d2c1f795c7b854c355578223dc7c093616b5"` [INFO] running `"docker" "rm" "-f" "dc96ca8f45c2e88a9d0ef57036d3d2c1f795c7b854c355578223dc7c093616b5"` [INFO] [stdout] dc96ca8f45c2e88a9d0ef57036d3d2c1f795c7b854c355578223dc7c093616b5