[INFO] updating cached repository keatinge/rust-to-mips-compiler [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/keatinge/rust-to-mips-compiler [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/keatinge/rust-to-mips-compiler" "work/ex/pr-57321/sources/master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104/gh/keatinge/rust-to-mips-compiler"` [INFO] [stderr] Cloning into 'work/ex/pr-57321/sources/master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104/gh/keatinge/rust-to-mips-compiler'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/keatinge/rust-to-mips-compiler" "work/ex/pr-57321/sources/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0/gh/keatinge/rust-to-mips-compiler"` [INFO] [stderr] Cloning into 'work/ex/pr-57321/sources/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0/gh/keatinge/rust-to-mips-compiler'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 42e1328fb446ba0d7ed35d3b48b1355ba57d55e6 [INFO] sha for GitHub repo keatinge/rust-to-mips-compiler: 42e1328fb446ba0d7ed35d3b48b1355ba57d55e6 [INFO] validating manifest of keatinge/rust-to-mips-compiler on toolchain master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0bbc3927e28c22edefe6a1353b5ecc95ea9a104-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of keatinge/rust-to-mips-compiler on toolchain try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b9139d2caca1db46014a9c302d5c47cfae0d8ae0-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing keatinge/rust-to-mips-compiler [INFO] finished frobbing keatinge/rust-to-mips-compiler [INFO] frobbed toml for keatinge/rust-to-mips-compiler written to work/ex/pr-57321/sources/master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104/gh/keatinge/rust-to-mips-compiler/Cargo.toml [INFO] started frobbing keatinge/rust-to-mips-compiler [INFO] finished frobbing keatinge/rust-to-mips-compiler [INFO] frobbed toml for keatinge/rust-to-mips-compiler written to work/ex/pr-57321/sources/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0/gh/keatinge/rust-to-mips-compiler/Cargo.toml [INFO] crate keatinge/rust-to-mips-compiler has a lockfile. skipping [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0bbc3927e28c22edefe6a1353b5ecc95ea9a104-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b9139d2caca1db46014a9c302d5c47cfae0d8ae0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking keatinge/rust-to-mips-compiler against try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0 for pr-57321 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57321/worker-6/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57321/sources/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0/gh/keatinge/rust-to-mips-compiler:/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" "+b9139d2caca1db46014a9c302d5c47cfae0d8ae0-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 644c387783bf7a689fd017a208b3b6867000f14753fc9e9ff6b59a4277ed98e1 [INFO] running `"docker" "start" "-a" "644c387783bf7a689fd017a208b3b6867000f14753fc9e9ff6b59a4277ed98e1"` [INFO] [stderr] Checking mipscompiler v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: variant `i32` should have a camel case name such as `I32` [INFO] [stderr] --> src/parser.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | i32 [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_camel_case_types)] on by default [INFO] [stderr] [INFO] [stderr] warning: variant `I32_lit` should have a camel case name such as `I32Lit` [INFO] [stderr] --> src/parser.rs:24:5 [INFO] [stderr] | [INFO] [stderr] 24 | I32_lit(i32) [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::rc::Rc` [INFO] [stderr] --> src/mips.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::rc::Rc; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: variant `i32` should have a camel case name such as `I32` [INFO] [stderr] --> src/parser.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | i32 [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_camel_case_types)] on by default [INFO] [stderr] [INFO] [stderr] warning: variant `I32_lit` should have a camel case name such as `I32Lit` [INFO] [stderr] --> src/parser.rs:24:5 [INFO] [stderr] | [INFO] [stderr] 24 | I32_lit(i32) [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::rc::Rc` [INFO] [stderr] --> src/mips.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::rc::Rc; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `s` [INFO] [stderr] --> src/parser.rs:179:34 [INFO] [stderr] | [INFO] [stderr] 179 | &lexer::Token::Ident(s) if next == Some(&lexer::Token::OpenParen) => { self.parse_fn_call() } [INFO] [stderr] | ^ help: consider using `_s` instead [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `s` [INFO] [stderr] --> src/parser.rs:180:34 [INFO] [stderr] | [INFO] [stderr] 180 | &lexer::Token::Ident(s) => { [INFO] [stderr] | ^ help: consider using `_s` instead [INFO] [stderr] [INFO] [stderr] warning: unused variable: `s` [INFO] [stderr] --> src/parser.rs:290:38 [INFO] [stderr] | [INFO] [stderr] 290 | if let (&lexer::Token::Ident(s), Some(&lexer::Token::Equal)) = (self.current_tok(), self.peek()) { [INFO] [stderr] | ^ help: consider using `_s` instead [INFO] [stderr] [INFO] [stderr] warning: unused variable: `s` [INFO] [stderr] --> src/parser.rs:179:34 [INFO] [stderr] | [INFO] [stderr] 179 | &lexer::Token::Ident(s) if next == Some(&lexer::Token::OpenParen) => { self.parse_fn_call() } [INFO] [stderr] | ^ help: consider using `_s` instead [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `s` [INFO] [stderr] --> src/parser.rs:180:34 [INFO] [stderr] | [INFO] [stderr] 180 | &lexer::Token::Ident(s) => { [INFO] [stderr] | ^ help: consider using `_s` instead [INFO] [stderr] [INFO] [stderr] warning: unused variable: `s` [INFO] [stderr] --> src/parser.rs:290:38 [INFO] [stderr] | [INFO] [stderr] 290 | if let (&lexer::Token::Ident(s), Some(&lexer::Token::Equal)) = (self.current_tok(), self.peek()) { [INFO] [stderr] | ^ help: consider using `_s` instead [INFO] [stderr] [INFO] [stderr] warning: function is never used: `is_identifier` [INFO] [stderr] --> src/lexer.rs:180:1 [INFO] [stderr] | [INFO] [stderr] 180 | pub fn is_identifier(t: &Token) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `expect` [INFO] [stderr] --> src/parser.rs:132:5 [INFO] [stderr] | [INFO] [stderr] 132 | fn expect(&self, t: &lexer::Token) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `force_eat_return_i32_lit` [INFO] [stderr] --> src/parser.rs:157:5 [INFO] [stderr] | [INFO] [stderr] 157 | fn force_eat_return_i32_lit(&mut self) -> i32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `BeqLit` [INFO] [stderr] --> src/mips.rs:61:5 [INFO] [stderr] | [INFO] [stderr] 61 | BeqLit(Register, i32, &'a str), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `DeclData` should have a snake case name such as `decl_data` [INFO] [stderr] --> src/mips.rs:403:49 [INFO] [stderr] | [INFO] [stderr] 403 | &parser::Statement::Declaration(ref DeclData) => { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_snake_case)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:29:5 [INFO] [stderr] | [INFO] [stderr] 29 | output.write_all(mips_str.as_bytes()); [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: function is never used: `is_identifier` [INFO] [stderr] --> src/lexer.rs:180:1 [INFO] [stderr] | [INFO] [stderr] 180 | pub fn is_identifier(t: &Token) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `expect` [INFO] [stderr] --> src/parser.rs:132:5 [INFO] [stderr] | [INFO] [stderr] 132 | fn expect(&self, t: &lexer::Token) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `force_eat_return_i32_lit` [INFO] [stderr] --> src/parser.rs:157:5 [INFO] [stderr] | [INFO] [stderr] 157 | fn force_eat_return_i32_lit(&mut self) -> i32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `BeqLit` [INFO] [stderr] --> src/mips.rs:61:5 [INFO] [stderr] | [INFO] [stderr] 61 | BeqLit(Register, i32, &'a str), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `DeclData` should have a snake case name such as `decl_data` [INFO] [stderr] --> src/mips.rs:403:49 [INFO] [stderr] | [INFO] [stderr] 403 | &parser::Statement::Declaration(ref DeclData) => { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_snake_case)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:29:5 [INFO] [stderr] | [INFO] [stderr] 29 | output.write_all(mips_str.as_bytes()); [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] Finished dev [unoptimized + debuginfo] target(s) in 1.30s [INFO] running `"docker" "inspect" "644c387783bf7a689fd017a208b3b6867000f14753fc9e9ff6b59a4277ed98e1"` [INFO] running `"docker" "rm" "-f" "644c387783bf7a689fd017a208b3b6867000f14753fc9e9ff6b59a4277ed98e1"` [INFO] [stdout] 644c387783bf7a689fd017a208b3b6867000f14753fc9e9ff6b59a4277ed98e1