Sep 06 04:17:16.122 INFO checking little-0.3.0 against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 06 04:17:16.122 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 06 04:17:16.122 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-1/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/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=1000" "-e" "CMD=cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 04:17:16.355 INFO blam! 96030c4af0d6e86807c691e3b86465db9aa23990b3b0b48e5947e2bae7e21f33
Sep 06 04:17:16.357 INFO running `"docker" "start" "-a" "96030c4af0d6e86807c691e3b86465db9aa23990b3b0b48e5947e2bae7e21f33"`
Sep 06 04:17:17.742 INFO kablam! usermod: no changes
Sep 06 04:17:17.833 INFO kablam!     Checking little v0.3.0 (file:///source)
Sep 06 04:17:18.154 INFO kablam! warning: unused import: `BuildError`
Sep 06 04:17:18.154 INFO kablam!  --> src/compiler.rs:9:5
Sep 06 04:17:18.154 INFO kablam!   |
Sep 06 04:17:18.154 INFO kablam! 9 |     BuildError,
Sep 06 04:17:18.154 INFO kablam!   |     ^^^^^^^^^^
Sep 06 04:17:18.154 INFO kablam!   |
Sep 06 04:17:18.154 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 06 04:17:18.154 INFO kablam! 
Sep 06 04:17:18.290 INFO kablam! warning: unused import: `BuildError`
Sep 06 04:17:18.290 INFO kablam!  --> src/compiler.rs:9:5
Sep 06 04:17:18.290 INFO kablam!   |
Sep 06 04:17:18.290 INFO kablam! 9 |     BuildError,
Sep 06 04:17:18.290 INFO kablam!   |     ^^^^^^^^^^
Sep 06 04:17:18.290 INFO kablam!   |
Sep 06 04:17:18.290 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 06 04:17:18.290 INFO kablam! 
Sep 06 04:17:18.406 INFO kablam! warning: unused import: `Write`
Sep 06 04:17:18.406 INFO kablam!   --> src/lib.rs:14:22
Sep 06 04:17:18.406 INFO kablam!    |
Sep 06 04:17:18.406 INFO kablam! 14 | use std::io::{ self, Write };
Sep 06 04:17:18.406 INFO kablam!    |                      ^^^^^
Sep 06 04:17:18.406 INFO kablam! 
Sep 06 04:17:18.406 INFO kablam! warning: unused import: `Read`
Sep 06 04:17:18.406 INFO kablam!  --> src/interpreter.rs:4:16
Sep 06 04:17:18.406 INFO kablam!   |
Sep 06 04:17:18.406 INFO kablam! 4 | use std::io::{ Read, Write };
Sep 06 04:17:18.406 INFO kablam!   |                ^^^^
Sep 06 04:17:18.406 INFO kablam! 
Sep 06 04:17:18.438 INFO kablam! warning: unused variable: `id`
Sep 06 04:17:18.438 INFO kablam!   --> src/interpreter.rs:64:27
Sep 06 04:17:18.438 INFO kablam!    |
Sep 06 04:17:18.438 INFO kablam! 64 |     fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function<V> + 'a)>)
Sep 06 04:17:18.438 INFO kablam!    |                           ^^ help: consider using `_id` instead
Sep 06 04:17:18.438 INFO kablam!    |
Sep 06 04:17:18.438 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 06 04:17:18.438 INFO kablam! 
Sep 06 04:17:18.438 INFO kablam! warning: unused variable: `env`
Sep 06 04:17:18.438 INFO kablam!   --> src/interpreter.rs:64:37
Sep 06 04:17:18.438 INFO kablam!    |
Sep 06 04:17:18.438 INFO kablam! 64 |     fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function<V> + 'a)>)
Sep 06 04:17:18.438 INFO kablam!    |                                     ^^^ help: consider using `_env` instead
Sep 06 04:17:18.438 INFO kablam! 
Sep 06 04:17:18.438 INFO kablam! warning: unused variable: `calls`
Sep 06 04:17:18.438 INFO kablam!   --> src/interpreter.rs:64:55
Sep 06 04:17:18.438 INFO kablam!    |
Sep 06 04:17:18.438 INFO kablam! 64 |     fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function<V> + 'a)>)
Sep 06 04:17:18.438 INFO kablam!    |                                                       ^^^^^ help: consider using `_calls` instead
Sep 06 04:17:18.438 INFO kablam! 
Sep 06 04:17:18.438 INFO kablam! warning: unused variable: `name`
Sep 06 04:17:18.438 INFO kablam!    --> src/interpreter.rs:136:49
Sep 06 04:17:18.438 INFO kablam!     |
Sep 06 04:17:18.438 INFO kablam! 136 |                     Instruction::Property { mut name } => {
Sep 06 04:17:18.438 INFO kablam!     |                                                 ^^^^ help: try ignoring the field: `name: _`
Sep 06 04:17:18.438 INFO kablam! 
Sep 06 04:17:18.438 INFO kablam! warning: unused variable: `name`
Sep 06 04:17:18.438 INFO kablam!    --> src/interpreter.rs:267:30
Sep 06 04:17:18.438 INFO kablam!     |
Sep 06 04:17:18.438 INFO kablam! 267 |             Mem::Parameter { name } => {
Sep 06 04:17:18.438 INFO kablam!     |                              ^^^^ help: try ignoring the field: `name: _`
Sep 06 04:17:18.438 INFO kablam! 
Sep 06 04:17:18.438 INFO kablam! warning: unused variable: `id`
Sep 06 04:17:18.438 INFO kablam!   --> src/compiler.rs:36:27
Sep 06 04:17:18.438 INFO kablam!    |
Sep 06 04:17:18.438 INFO kablam! 36 |     fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function<V> + 'a)>)
Sep 06 04:17:18.438 INFO kablam!    |                           ^^ help: consider using `_id` instead
Sep 06 04:17:18.438 INFO kablam! 
Sep 06 04:17:18.438 INFO kablam! warning: unused variable: `env`
Sep 06 04:17:18.438 INFO kablam!   --> src/compiler.rs:36:37
Sep 06 04:17:18.438 INFO kablam!    |
Sep 06 04:17:18.438 INFO kablam! 36 |     fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function<V> + 'a)>)
Sep 06 04:17:18.438 INFO kablam!    |                                     ^^^ help: consider using `_env` instead
Sep 06 04:17:18.438 INFO kablam! 
Sep 06 04:17:18.438 INFO kablam! warning: unused variable: `calls`
Sep 06 04:17:18.438 INFO kablam!   --> src/compiler.rs:36:55
Sep 06 04:17:18.438 INFO kablam!    |
Sep 06 04:17:18.438 INFO kablam! 36 |     fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function<V> + 'a)>)
Sep 06 04:17:18.438 INFO kablam!    |                                                       ^^^^^ help: consider using `_calls` instead
Sep 06 04:17:18.438 INFO kablam! 
Sep 06 04:17:18.438 INFO kablam! warning: unused variable: `buf`
Sep 06 04:17:18.438 INFO kablam!   --> src/compiler.rs:68:24
Sep 06 04:17:18.439 INFO kablam!    |
Sep 06 04:17:18.439 INFO kablam! 68 |     fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
Sep 06 04:17:18.439 INFO kablam!    |                        ^^^ help: consider using `_buf` instead
Sep 06 04:17:18.439 INFO kablam! 
Sep 06 04:17:18.439 INFO kablam! warning: unused variable: `input`
Sep 06 04:17:18.439 INFO kablam!   --> src/compiler.rs:80:29
Sep 06 04:17:18.439 INFO kablam!    |
Sep 06 04:17:18.439 INFO kablam! 80 |         pub fn output<I, O>(input: &mut I, output: &mut O)
Sep 06 04:17:18.439 INFO kablam!    |                             ^^^^^ help: consider using `_input` instead
Sep 06 04:17:18.439 INFO kablam! 
Sep 06 04:17:18.439 INFO kablam! warning: unused variable: `output`
Sep 06 04:17:18.439 INFO kablam!   --> src/compiler.rs:80:44
Sep 06 04:17:18.439 INFO kablam!    |
Sep 06 04:17:18.439 INFO kablam! 80 |         pub fn output<I, O>(input: &mut I, output: &mut O)
Sep 06 04:17:18.439 INFO kablam!    |                                            ^^^^^^ help: consider using `_output` instead
Sep 06 04:17:18.439 INFO kablam! 
Sep 06 04:17:18.542 INFO kablam! warning: struct is never constructed: `template_ooo`
Sep 06 04:17:18.542 INFO kablam!   --> src/compiler.rs:77:5
Sep 06 04:17:18.542 INFO kablam!    |
Sep 06 04:17:18.542 INFO kablam! 77 |     pub struct template_ooo;
Sep 06 04:17:18.542 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 04:17:18.542 INFO kablam!    |
Sep 06 04:17:18.542 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 06 04:17:18.542 INFO kablam! 
Sep 06 04:17:18.542 INFO kablam! warning: method is never used: `output`
Sep 06 04:17:18.542 INFO kablam!   --> src/compiler.rs:80:9
Sep 06 04:17:18.542 INFO kablam!    |
Sep 06 04:17:18.542 INFO kablam! 80 | /         pub fn output<I, O>(input: &mut I, output: &mut O)
Sep 06 04:17:18.542 INFO kablam! 81 | |             -> Result<usize, io::Error>
Sep 06 04:17:18.542 INFO kablam! 82 | |         where
Sep 06 04:17:18.542 INFO kablam! 83 | |             I: io::Read + io::Seek, O: io::Write
Sep 06 04:17:18.542 INFO kablam! ...  |
Sep 06 04:17:18.542 INFO kablam! 86 | |             Ok(0)
Sep 06 04:17:18.542 INFO kablam! 87 | |         }
Sep 06 04:17:18.542 INFO kablam!    | |_________^
Sep 06 04:17:18.542 INFO kablam! 
Sep 06 04:17:18.582 INFO kablam! warning: unused import: `Write`
Sep 06 04:17:18.582 INFO kablam!   --> src/lib.rs:14:22
Sep 06 04:17:18.582 INFO kablam!    |
Sep 06 04:17:18.582 INFO kablam! 14 | use std::io::{ self, Write };
Sep 06 04:17:18.582 INFO kablam!    |                      ^^^^^
Sep 06 04:17:18.582 INFO kablam! 
Sep 06 04:17:18.582 INFO kablam! warning: unused import: `Read`
Sep 06 04:17:18.582 INFO kablam!  --> src/interpreter.rs:4:16
Sep 06 04:17:18.582 INFO kablam!   |
Sep 06 04:17:18.582 INFO kablam! 4 | use std::io::{ Read, Write };
Sep 06 04:17:18.582 INFO kablam!   |                ^^^^
Sep 06 04:17:18.582 INFO kablam! 
Sep 06 04:17:18.614 INFO kablam! warning: unused variable: `id`
Sep 06 04:17:18.614 INFO kablam!   --> src/interpreter.rs:64:27
Sep 06 04:17:18.614 INFO kablam!    |
Sep 06 04:17:18.614 INFO kablam! 64 |     fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function<V> + 'a)>)
Sep 06 04:17:18.614 INFO kablam!    |                           ^^ help: consider using `_id` instead
Sep 06 04:17:18.614 INFO kablam!    |
Sep 06 04:17:18.614 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 06 04:17:18.614 INFO kablam! 
Sep 06 04:17:18.614 INFO kablam! warning: unused variable: `env`
Sep 06 04:17:18.614 INFO kablam!   --> src/interpreter.rs:64:37
Sep 06 04:17:18.614 INFO kablam!    |
Sep 06 04:17:18.614 INFO kablam! 64 |     fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function<V> + 'a)>)
Sep 06 04:17:18.614 INFO kablam!    |                                     ^^^ help: consider using `_env` instead
Sep 06 04:17:18.614 INFO kablam! 
Sep 06 04:17:18.614 INFO kablam! warning: unused variable: `calls`
Sep 06 04:17:18.614 INFO kablam!   --> src/interpreter.rs:64:55
Sep 06 04:17:18.614 INFO kablam!    |
Sep 06 04:17:18.614 INFO kablam! 64 |     fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function<V> + 'a)>)
Sep 06 04:17:18.614 INFO kablam!    |                                                       ^^^^^ help: consider using `_calls` instead
Sep 06 04:17:18.614 INFO kablam! 
Sep 06 04:17:18.614 INFO kablam! warning: unused variable: `name`
Sep 06 04:17:18.614 INFO kablam!    --> src/interpreter.rs:136:49
Sep 06 04:17:18.614 INFO kablam!     |
Sep 06 04:17:18.614 INFO kablam! 136 |                     Instruction::Property { mut name } => {
Sep 06 04:17:18.614 INFO kablam!     |                                                 ^^^^ help: try ignoring the field: `name: _`
Sep 06 04:17:18.614 INFO kablam! 
Sep 06 04:17:18.614 INFO kablam! warning: unused variable: `name`
Sep 06 04:17:18.614 INFO kablam!    --> src/interpreter.rs:267:30
Sep 06 04:17:18.614 INFO kablam!     |
Sep 06 04:17:18.614 INFO kablam! 267 |             Mem::Parameter { name } => {
Sep 06 04:17:18.614 INFO kablam!     |                              ^^^^ help: try ignoring the field: `name: _`
Sep 06 04:17:18.614 INFO kablam! 
Sep 06 04:17:18.614 INFO kablam! warning: unused variable: `id`
Sep 06 04:17:18.614 INFO kablam!   --> src/compiler.rs:36:27
Sep 06 04:17:18.615 INFO kablam!    |
Sep 06 04:17:18.615 INFO kablam! 36 |     fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function<V> + 'a)>)
Sep 06 04:17:18.615 INFO kablam!    |                           ^^ help: consider using `_id` instead
Sep 06 04:17:18.615 INFO kablam! 
Sep 06 04:17:18.615 INFO kablam! warning: unused variable: `env`
Sep 06 04:17:18.615 INFO kablam!   --> src/compiler.rs:36:37
Sep 06 04:17:18.615 INFO kablam!    |
Sep 06 04:17:18.615 INFO kablam! 36 |     fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function<V> + 'a)>)
Sep 06 04:17:18.615 INFO kablam!    |                                     ^^^ help: consider using `_env` instead
Sep 06 04:17:18.615 INFO kablam! 
Sep 06 04:17:18.615 INFO kablam! warning: unused variable: `calls`
Sep 06 04:17:18.615 INFO kablam!   --> src/compiler.rs:36:55
Sep 06 04:17:18.615 INFO kablam!    |
Sep 06 04:17:18.615 INFO kablam! 36 |     fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function<V> + 'a)>)
Sep 06 04:17:18.615 INFO kablam!    |                                                       ^^^^^ help: consider using `_calls` instead
Sep 06 04:17:18.615 INFO kablam! 
Sep 06 04:17:18.615 INFO kablam! warning: unused variable: `buf`
Sep 06 04:17:18.615 INFO kablam!   --> src/compiler.rs:68:24
Sep 06 04:17:18.615 INFO kablam!    |
Sep 06 04:17:18.615 INFO kablam! 68 |     fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
Sep 06 04:17:18.615 INFO kablam!    |                        ^^^ help: consider using `_buf` instead
Sep 06 04:17:18.615 INFO kablam! 
Sep 06 04:17:18.615 INFO kablam! warning: unused variable: `input`
Sep 06 04:17:18.615 INFO kablam!   --> src/compiler.rs:80:29
Sep 06 04:17:18.615 INFO kablam!    |
Sep 06 04:17:18.615 INFO kablam! 80 |         pub fn output<I, O>(input: &mut I, output: &mut O)
Sep 06 04:17:18.615 INFO kablam!    |                             ^^^^^ help: consider using `_input` instead
Sep 06 04:17:18.615 INFO kablam! 
Sep 06 04:17:18.615 INFO kablam! warning: unused variable: `output`
Sep 06 04:17:18.615 INFO kablam!   --> src/compiler.rs:80:44
Sep 06 04:17:18.615 INFO kablam!    |
Sep 06 04:17:18.615 INFO kablam! 80 |         pub fn output<I, O>(input: &mut I, output: &mut O)
Sep 06 04:17:18.615 INFO kablam!    |                                            ^^^^^^ help: consider using `_output` instead
Sep 06 04:17:18.615 INFO kablam! 
Sep 06 04:17:18.726 INFO kablam! warning: struct is never constructed: `template_ooo`
Sep 06 04:17:18.726 INFO kablam!   --> src/compiler.rs:77:5
Sep 06 04:17:18.726 INFO kablam!    |
Sep 06 04:17:18.726 INFO kablam! 77 |     pub struct template_ooo;
Sep 06 04:17:18.726 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 04:17:18.726 INFO kablam!    |
Sep 06 04:17:18.726 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 06 04:17:18.726 INFO kablam! 
Sep 06 04:17:18.726 INFO kablam! warning: method is never used: `output`
Sep 06 04:17:18.726 INFO kablam!   --> src/compiler.rs:80:9
Sep 06 04:17:18.726 INFO kablam!    |
Sep 06 04:17:18.726 INFO kablam! 80 | /         pub fn output<I, O>(input: &mut I, output: &mut O)
Sep 06 04:17:18.726 INFO kablam! 81 | |             -> Result<usize, io::Error>
Sep 06 04:17:18.726 INFO kablam! 82 | |         where
Sep 06 04:17:18.726 INFO kablam! 83 | |             I: io::Read + io::Seek, O: io::Write
Sep 06 04:17:18.726 INFO kablam! ...  |
Sep 06 04:17:18.726 INFO kablam! 86 | |             Ok(0)
Sep 06 04:17:18.726 INFO kablam! 87 | |         }
Sep 06 04:17:18.726 INFO kablam!    | |_________^
Sep 06 04:17:18.726 INFO kablam! 
Sep 06 04:17:19.586 INFO kablam! warning: unused import: `Write`
Sep 06 04:17:19.586 INFO kablam!  --> examples/hello_world.rs:4:22
Sep 06 04:17:19.586 INFO kablam!   |
Sep 06 04:17:19.586 INFO kablam! 4 | use std::io::{ Read, Write };
Sep 06 04:17:19.586 INFO kablam!   |                      ^^^^^
Sep 06 04:17:19.586 INFO kablam!   |
Sep 06 04:17:19.586 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 06 04:17:19.586 INFO kablam! 
Sep 06 04:17:19.907 INFO kablam! warning: unused `#[macro_use]` import
Sep 06 04:17:19.907 INFO kablam!  --> tests/compiler.rs:2:1
Sep 06 04:17:19.907 INFO kablam!   |
Sep 06 04:17:19.908 INFO kablam! 2 | #[macro_use] extern crate log;
Sep 06 04:17:19.908 INFO kablam!   | ^^^^^^^^^^^^
Sep 06 04:17:19.909 INFO kablam!   |
Sep 06 04:17:19.909 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 06 04:17:19.909 INFO kablam! 
Sep 06 04:17:20.078 INFO kablam! warning: function is never used: `output_param`
Sep 06 04:17:20.078 INFO kablam!   --> tests/compiler.rs:16:1
Sep 06 04:17:20.078 INFO kablam!    |
Sep 06 04:17:20.078 INFO kablam! 16 | fn output_param() {
Sep 06 04:17:20.078 INFO kablam!    | ^^^^^^^^^^^^^^^^^
Sep 06 04:17:20.078 INFO kablam!    |
Sep 06 04:17:20.078 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 06 04:17:20.078 INFO kablam! 
Sep 06 04:17:20.114 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.35s
Sep 06 04:17:20.118 INFO kablam! su: No module specific data is present
Sep 06 04:17:21.132 INFO running `"docker" "rm" "-f" "96030c4af0d6e86807c691e3b86465db9aa23990b3b0b48e5947e2bae7e21f33"`
Sep 06 04:17:21.264 INFO blam! 96030c4af0d6e86807c691e3b86465db9aa23990b3b0b48e5947e2bae7e21f33