Sep 01 14:59:35.293 INFO checking little-0.3.0 against try#aa245a5862056b681d2ccdb178f58891108cd3a6 for pr-53831 Sep 01 14:59:35.293 INFO running: cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets Sep 01 14:59:35.293 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53831/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-2/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"` Sep 01 14:59:35.418 INFO blam! 3f8c4e9ea45835de7f0163a27b35841508bd9295237ecc32fb9c2712d323ff4f Sep 01 14:59:35.420 INFO running `"docker" "start" "-a" "3f8c4e9ea45835de7f0163a27b35841508bd9295237ecc32fb9c2712d323ff4f"` Sep 01 14:59:36.098 INFO kablam! Checking little v0.3.0 (file:///source) Sep 01 14:59:36.584 INFO kablam! warning: unused import: `BuildError` Sep 01 14:59:36.584 INFO kablam! --> src/compiler.rs:9:5 Sep 01 14:59:36.584 INFO kablam! | Sep 01 14:59:36.584 INFO kablam! 9 | BuildError, Sep 01 14:59:36.584 INFO kablam! | ^^^^^^^^^^ Sep 01 14:59:36.584 INFO kablam! | Sep 01 14:59:36.584 INFO kablam! = note: #[warn(unused_imports)] on by default Sep 01 14:59:36.584 INFO kablam! Sep 01 14:59:36.675 INFO kablam! warning: unused import: `BuildError` Sep 01 14:59:36.675 INFO kablam! --> src/compiler.rs:9:5 Sep 01 14:59:36.675 INFO kablam! | Sep 01 14:59:36.675 INFO kablam! 9 | BuildError, Sep 01 14:59:36.675 INFO kablam! | ^^^^^^^^^^ Sep 01 14:59:36.675 INFO kablam! | Sep 01 14:59:36.676 INFO kablam! = note: #[warn(unused_imports)] on by default Sep 01 14:59:36.676 INFO kablam! Sep 01 14:59:36.987 INFO kablam! warning: unused import: `Write` Sep 01 14:59:36.987 INFO kablam! --> src/lib.rs:14:22 Sep 01 14:59:36.987 INFO kablam! | Sep 01 14:59:36.987 INFO kablam! 14 | use std::io::{ self, Write }; Sep 01 14:59:36.987 INFO kablam! | ^^^^^ Sep 01 14:59:36.987 INFO kablam! Sep 01 14:59:36.988 INFO kablam! warning: unused import: `Read` Sep 01 14:59:36.988 INFO kablam! --> src/interpreter.rs:4:16 Sep 01 14:59:36.988 INFO kablam! | Sep 01 14:59:36.988 INFO kablam! 4 | use std::io::{ Read, Write }; Sep 01 14:59:36.988 INFO kablam! | ^^^^ Sep 01 14:59:36.988 INFO kablam! Sep 01 14:59:37.047 INFO kablam! warning: unused variable: `id` Sep 01 14:59:37.048 INFO kablam! --> src/interpreter.rs:64:27 Sep 01 14:59:37.048 INFO kablam! | Sep 01 14:59:37.048 INFO kablam! 64 | fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function + 'a)>) Sep 01 14:59:37.049 INFO kablam! | ^^ help: consider using `_id` instead Sep 01 14:59:37.049 INFO kablam! | Sep 01 14:59:37.049 INFO kablam! = note: #[warn(unused_variables)] on by default Sep 01 14:59:37.049 INFO kablam! Sep 01 14:59:37.050 INFO kablam! warning: unused variable: `env` Sep 01 14:59:37.050 INFO kablam! --> src/interpreter.rs:64:37 Sep 01 14:59:37.050 INFO kablam! | Sep 01 14:59:37.050 INFO kablam! 64 | fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function + 'a)>) Sep 01 14:59:37.050 INFO kablam! | ^^^ help: consider using `_env` instead Sep 01 14:59:37.050 INFO kablam! Sep 01 14:59:37.050 INFO kablam! warning: unused variable: `calls` Sep 01 14:59:37.050 INFO kablam! --> src/interpreter.rs:64:55 Sep 01 14:59:37.050 INFO kablam! | Sep 01 14:59:37.050 INFO kablam! 64 | fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function + 'a)>) Sep 01 14:59:37.050 INFO kablam! | ^^^^^ help: consider using `_calls` instead Sep 01 14:59:37.050 INFO kablam! Sep 01 14:59:37.050 INFO kablam! warning: unused variable: `name` Sep 01 14:59:37.050 INFO kablam! --> src/interpreter.rs:136:49 Sep 01 14:59:37.050 INFO kablam! | Sep 01 14:59:37.050 INFO kablam! 136 | Instruction::Property { mut name } => { Sep 01 14:59:37.050 INFO kablam! | ^^^^ help: try ignoring the field: `name: _` Sep 01 14:59:37.050 INFO kablam! Sep 01 14:59:37.050 INFO kablam! warning: unused variable: `name` Sep 01 14:59:37.050 INFO kablam! --> src/interpreter.rs:267:30 Sep 01 14:59:37.050 INFO kablam! | Sep 01 14:59:37.050 INFO kablam! 267 | Mem::Parameter { name } => { Sep 01 14:59:37.050 INFO kablam! | ^^^^ help: try ignoring the field: `name: _` Sep 01 14:59:37.050 INFO kablam! Sep 01 14:59:37.050 INFO kablam! warning: unused variable: `id` Sep 01 14:59:37.050 INFO kablam! --> src/compiler.rs:36:27 Sep 01 14:59:37.050 INFO kablam! | Sep 01 14:59:37.050 INFO kablam! 36 | fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function + 'a)>) Sep 01 14:59:37.050 INFO kablam! | ^^ help: consider using `_id` instead Sep 01 14:59:37.050 INFO kablam! Sep 01 14:59:37.050 INFO kablam! warning: unused variable: `env` Sep 01 14:59:37.051 INFO kablam! --> src/compiler.rs:36:37 Sep 01 14:59:37.051 INFO kablam! | Sep 01 14:59:37.051 INFO kablam! 36 | fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function + 'a)>) Sep 01 14:59:37.052 INFO kablam! | ^^^ help: consider using `_env` instead Sep 01 14:59:37.052 INFO kablam! Sep 01 14:59:37.052 INFO kablam! warning: unused variable: `calls` Sep 01 14:59:37.052 INFO kablam! --> src/compiler.rs:36:55 Sep 01 14:59:37.052 INFO kablam! | Sep 01 14:59:37.052 INFO kablam! 36 | fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function + 'a)>) Sep 01 14:59:37.052 INFO kablam! | ^^^^^ help: consider using `_calls` instead Sep 01 14:59:37.052 INFO kablam! Sep 01 14:59:37.052 INFO kablam! warning: unused variable: `buf` Sep 01 14:59:37.052 INFO kablam! --> src/compiler.rs:68:24 Sep 01 14:59:37.052 INFO kablam! | Sep 01 14:59:37.052 INFO kablam! 68 | fn read(&mut self, buf: &mut [u8]) -> io::Result { Sep 01 14:59:37.052 INFO kablam! | ^^^ help: consider using `_buf` instead Sep 01 14:59:37.052 INFO kablam! Sep 01 14:59:37.052 INFO kablam! warning: unused variable: `input` Sep 01 14:59:37.052 INFO kablam! --> src/compiler.rs:80:29 Sep 01 14:59:37.052 INFO kablam! | Sep 01 14:59:37.052 INFO kablam! 80 | pub fn output(input: &mut I, output: &mut O) Sep 01 14:59:37.052 INFO kablam! | ^^^^^ help: consider using `_input` instead Sep 01 14:59:37.052 INFO kablam! Sep 01 14:59:37.052 INFO kablam! warning: unused variable: `output` Sep 01 14:59:37.052 INFO kablam! --> src/compiler.rs:80:44 Sep 01 14:59:37.052 INFO kablam! | Sep 01 14:59:37.052 INFO kablam! 80 | pub fn output(input: &mut I, output: &mut O) Sep 01 14:59:37.053 INFO kablam! | ^^^^^^ help: consider using `_output` instead Sep 01 14:59:37.053 INFO kablam! Sep 01 14:59:37.221 INFO kablam! warning: struct is never constructed: `template_ooo` Sep 01 14:59:37.221 INFO kablam! --> src/compiler.rs:77:5 Sep 01 14:59:37.221 INFO kablam! | Sep 01 14:59:37.221 INFO kablam! 77 | pub struct template_ooo; Sep 01 14:59:37.221 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^ Sep 01 14:59:37.221 INFO kablam! | Sep 01 14:59:37.221 INFO kablam! = note: #[warn(dead_code)] on by default Sep 01 14:59:37.221 INFO kablam! Sep 01 14:59:37.221 INFO kablam! warning: method is never used: `output` Sep 01 14:59:37.221 INFO kablam! --> src/compiler.rs:80:9 Sep 01 14:59:37.222 INFO kablam! | Sep 01 14:59:37.222 INFO kablam! 80 | / pub fn output(input: &mut I, output: &mut O) Sep 01 14:59:37.222 INFO kablam! 81 | | -> Result Sep 01 14:59:37.222 INFO kablam! 82 | | where Sep 01 14:59:37.222 INFO kablam! 83 | | I: io::Read + io::Seek, O: io::Write Sep 01 14:59:37.222 INFO kablam! ... | Sep 01 14:59:37.222 INFO kablam! 86 | | Ok(0) Sep 01 14:59:37.222 INFO kablam! 87 | | } Sep 01 14:59:37.222 INFO kablam! | |_________^ Sep 01 14:59:37.222 INFO kablam! Sep 01 14:59:37.229 INFO kablam! warning: unused import: `Write` Sep 01 14:59:37.230 INFO kablam! --> src/lib.rs:14:22 Sep 01 14:59:37.230 INFO kablam! | Sep 01 14:59:37.230 INFO kablam! 14 | use std::io::{ self, Write }; Sep 01 14:59:37.230 INFO kablam! | ^^^^^ Sep 01 14:59:37.230 INFO kablam! Sep 01 14:59:37.230 INFO kablam! warning: unused import: `Read` Sep 01 14:59:37.230 INFO kablam! --> src/interpreter.rs:4:16 Sep 01 14:59:37.230 INFO kablam! | Sep 01 14:59:37.230 INFO kablam! 4 | use std::io::{ Read, Write }; Sep 01 14:59:37.230 INFO kablam! | ^^^^ Sep 01 14:59:37.230 INFO kablam! Sep 01 14:59:37.324 INFO kablam! warning: unused variable: `id` Sep 01 14:59:37.324 INFO kablam! --> src/interpreter.rs:64:27 Sep 01 14:59:37.324 INFO kablam! | Sep 01 14:59:37.324 INFO kablam! 64 | fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function + 'a)>) Sep 01 14:59:37.324 INFO kablam! | ^^ help: consider using `_id` instead Sep 01 14:59:37.328 INFO kablam! | Sep 01 14:59:37.329 INFO kablam! = note: #[warn(unused_variables)] on by default Sep 01 14:59:37.329 INFO kablam! Sep 01 14:59:37.329 INFO kablam! warning: unused variable: `env` Sep 01 14:59:37.329 INFO kablam! --> src/interpreter.rs:64:37 Sep 01 14:59:37.329 INFO kablam! | Sep 01 14:59:37.329 INFO kablam! 64 | fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function + 'a)>) Sep 01 14:59:37.329 INFO kablam! | ^^^ help: consider using `_env` instead Sep 01 14:59:37.330 INFO kablam! Sep 01 14:59:37.330 INFO kablam! warning: unused variable: `calls` Sep 01 14:59:37.330 INFO kablam! --> src/interpreter.rs:64:55 Sep 01 14:59:37.330 INFO kablam! | Sep 01 14:59:37.330 INFO kablam! 64 | fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function + 'a)>) Sep 01 14:59:37.330 INFO kablam! | ^^^^^ help: consider using `_calls` instead Sep 01 14:59:37.331 INFO kablam! Sep 01 14:59:37.331 INFO kablam! warning: unused variable: `name` Sep 01 14:59:37.331 INFO kablam! --> src/interpreter.rs:136:49 Sep 01 14:59:37.331 INFO kablam! | Sep 01 14:59:37.331 INFO kablam! 136 | Instruction::Property { mut name } => { Sep 01 14:59:37.331 INFO kablam! | ^^^^ help: try ignoring the field: `name: _` Sep 01 14:59:37.332 INFO kablam! Sep 01 14:59:37.332 INFO kablam! warning: unused variable: `name` Sep 01 14:59:37.332 INFO kablam! --> src/interpreter.rs:267:30 Sep 01 14:59:37.332 INFO kablam! | Sep 01 14:59:37.332 INFO kablam! 267 | Mem::Parameter { name } => { Sep 01 14:59:37.333 INFO kablam! | ^^^^ help: try ignoring the field: `name: _` Sep 01 14:59:37.333 INFO kablam! Sep 01 14:59:37.333 INFO kablam! warning: unused variable: `id` Sep 01 14:59:37.333 INFO kablam! --> src/compiler.rs:36:27 Sep 01 14:59:37.333 INFO kablam! | Sep 01 14:59:37.333 INFO kablam! 36 | fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function + 'a)>) Sep 01 14:59:37.333 INFO kablam! | ^^ help: consider using `_id` instead Sep 01 14:59:37.334 INFO kablam! Sep 01 14:59:37.334 INFO kablam! warning: unused variable: `env` Sep 01 14:59:37.334 INFO kablam! --> src/compiler.rs:36:37 Sep 01 14:59:37.334 INFO kablam! | Sep 01 14:59:37.334 INFO kablam! 36 | fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function + 'a)>) Sep 01 14:59:37.334 INFO kablam! | ^^^ help: consider using `_env` instead Sep 01 14:59:37.335 INFO kablam! Sep 01 14:59:37.335 INFO kablam! warning: unused variable: `calls` Sep 01 14:59:37.335 INFO kablam! --> src/compiler.rs:36:55 Sep 01 14:59:37.335 INFO kablam! | Sep 01 14:59:37.335 INFO kablam! 36 | fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function + 'a)>) Sep 01 14:59:37.335 INFO kablam! | ^^^^^ help: consider using `_calls` instead Sep 01 14:59:37.336 INFO kablam! Sep 01 14:59:37.336 INFO kablam! warning: unused variable: `buf` Sep 01 14:59:37.336 INFO kablam! --> src/compiler.rs:68:24 Sep 01 14:59:37.336 INFO kablam! | Sep 01 14:59:37.336 INFO kablam! 68 | fn read(&mut self, buf: &mut [u8]) -> io::Result { Sep 01 14:59:37.336 INFO kablam! | ^^^ help: consider using `_buf` instead Sep 01 14:59:37.337 INFO kablam! Sep 01 14:59:37.337 INFO kablam! warning: unused variable: `input` Sep 01 14:59:37.337 INFO kablam! --> src/compiler.rs:80:29 Sep 01 14:59:37.337 INFO kablam! | Sep 01 14:59:37.337 INFO kablam! 80 | pub fn output(input: &mut I, output: &mut O) Sep 01 14:59:37.337 INFO kablam! | ^^^^^ help: consider using `_input` instead Sep 01 14:59:37.338 INFO kablam! Sep 01 14:59:37.338 INFO kablam! warning: unused variable: `output` Sep 01 14:59:37.338 INFO kablam! --> src/compiler.rs:80:44 Sep 01 14:59:37.338 INFO kablam! | Sep 01 14:59:37.338 INFO kablam! 80 | pub fn output(input: &mut I, output: &mut O) Sep 01 14:59:37.338 INFO kablam! | ^^^^^^ help: consider using `_output` instead Sep 01 14:59:37.339 INFO kablam! Sep 01 14:59:37.753 INFO kablam! warning: struct is never constructed: `template_ooo` Sep 01 14:59:37.753 INFO kablam! --> src/compiler.rs:77:5 Sep 01 14:59:37.753 INFO kablam! | Sep 01 14:59:37.753 INFO kablam! 77 | pub struct template_ooo; Sep 01 14:59:37.753 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^ Sep 01 14:59:37.768 INFO kablam! | Sep 01 14:59:37.768 INFO kablam! = note: #[warn(dead_code)] on by default Sep 01 14:59:37.768 INFO kablam! Sep 01 14:59:37.769 INFO kablam! warning: method is never used: `output` Sep 01 14:59:37.769 INFO kablam! --> src/compiler.rs:80:9 Sep 01 14:59:37.769 INFO kablam! | Sep 01 14:59:37.769 INFO kablam! 80 | / pub fn output(input: &mut I, output: &mut O) Sep 01 14:59:37.769 INFO kablam! 81 | | -> Result Sep 01 14:59:37.769 INFO kablam! 82 | | where Sep 01 14:59:37.769 INFO kablam! 83 | | I: io::Read + io::Seek, O: io::Write Sep 01 14:59:37.769 INFO kablam! ... | Sep 01 14:59:37.769 INFO kablam! 86 | | Ok(0) Sep 01 14:59:37.769 INFO kablam! 87 | | } Sep 01 14:59:37.769 INFO kablam! | |_________^ Sep 01 14:59:37.769 INFO kablam! Sep 01 14:59:38.735 INFO kablam! warning: unused import: `Write` Sep 01 14:59:38.735 INFO kablam! --> examples/hello_world.rs:4:22 Sep 01 14:59:38.735 INFO kablam! | Sep 01 14:59:38.735 INFO kablam! 4 | use std::io::{ Read, Write }; Sep 01 14:59:38.735 INFO kablam! | ^^^^^ Sep 01 14:59:38.735 INFO kablam! | Sep 01 14:59:38.736 INFO kablam! = note: #[warn(unused_imports)] on by default Sep 01 14:59:38.736 INFO kablam! Sep 01 14:59:39.174 INFO kablam! warning: unused `#[macro_use]` import Sep 01 14:59:39.174 INFO kablam! --> tests/compiler.rs:2:1 Sep 01 14:59:39.174 INFO kablam! | Sep 01 14:59:39.175 INFO kablam! 2 | #[macro_use] extern crate log; Sep 01 14:59:39.175 INFO kablam! | ^^^^^^^^^^^^ Sep 01 14:59:39.175 INFO kablam! | Sep 01 14:59:39.175 INFO kablam! = note: #[warn(unused_imports)] on by default Sep 01 14:59:39.175 INFO kablam! Sep 01 14:59:39.396 INFO kablam! warning: function is never used: `output_param` Sep 01 14:59:39.396 INFO kablam! --> tests/compiler.rs:16:1 Sep 01 14:59:39.396 INFO kablam! | Sep 01 14:59:39.396 INFO kablam! 16 | fn output_param() { Sep 01 14:59:39.396 INFO kablam! | ^^^^^^^^^^^^^^^^^ Sep 01 14:59:39.396 INFO kablam! | Sep 01 14:59:39.396 INFO kablam! = note: #[warn(dead_code)] on by default Sep 01 14:59:39.397 INFO kablam! Sep 01 14:59:39.423 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 3.37s Sep 01 14:59:39.438 INFO kablam! su: No module specific data is present Sep 01 14:59:39.980 INFO running `"docker" "rm" "-f" "3f8c4e9ea45835de7f0163a27b35841508bd9295237ecc32fb9c2712d323ff4f"` Sep 01 14:59:40.134 INFO blam! 3f8c4e9ea45835de7f0163a27b35841508bd9295237ecc32fb9c2712d323ff4f