Sep 10 15:19:03.184 INFO checking little-0.3.0 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 15:19:03.184 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 15:19:03.184 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-3/try#3a2610c2a16575649896925631bf8cec4f4b1961:/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 +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 15:19:03.383 INFO blam! 9390f851fbec08c52ce72882a49ccf3aeccdcff3ab9182e6e89461d38ec94027
Sep 10 15:19:03.385 INFO running `"docker" "start" "-a" "9390f851fbec08c52ce72882a49ccf3aeccdcff3ab9182e6e89461d38ec94027"`
Sep 10 15:19:04.394 INFO kablam! usermod: no changes
Sep 10 15:19:04.557 INFO kablam!     Checking little v0.3.0 (file:///source)
Sep 10 15:19:05.218 INFO kablam! warning: unused import: `BuildError`
Sep 10 15:19:05.218 INFO kablam!  --> src/compiler.rs:9:5
Sep 10 15:19:05.218 INFO kablam!   |
Sep 10 15:19:05.218 INFO kablam! 9 |     BuildError,
Sep 10 15:19:05.218 INFO kablam!   |     ^^^^^^^^^^
Sep 10 15:19:05.218 INFO kablam!   |
Sep 10 15:19:05.218 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 10 15:19:05.218 INFO kablam! 
Sep 10 15:19:05.260 INFO kablam! warning: unused import: `BuildError`
Sep 10 15:19:05.260 INFO kablam!  --> src/compiler.rs:9:5
Sep 10 15:19:05.260 INFO kablam!   |
Sep 10 15:19:05.260 INFO kablam! 9 |     BuildError,
Sep 10 15:19:05.260 INFO kablam!   |     ^^^^^^^^^^
Sep 10 15:19:05.260 INFO kablam!   |
Sep 10 15:19:05.260 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 10 15:19:05.260 INFO kablam! 
Sep 10 15:19:05.538 INFO kablam! warning: unused import: `Write`
Sep 10 15:19:05.538 INFO kablam!   --> src/lib.rs:14:22
Sep 10 15:19:05.538 INFO kablam!    |
Sep 10 15:19:05.538 INFO kablam! 14 | use std::io::{ self, Write };
Sep 10 15:19:05.538 INFO kablam!    |                      ^^^^^
Sep 10 15:19:05.538 INFO kablam! 
Sep 10 15:19:05.538 INFO kablam! warning: unused import: `Read`
Sep 10 15:19:05.538 INFO kablam!  --> src/interpreter.rs:4:16
Sep 10 15:19:05.538 INFO kablam!   |
Sep 10 15:19:05.538 INFO kablam! 4 | use std::io::{ Read, Write };
Sep 10 15:19:05.538 INFO kablam!   |                ^^^^
Sep 10 15:19:05.538 INFO kablam! 
Sep 10 15:19:05.550 INFO kablam! warning: unused import: `Write`
Sep 10 15:19:05.550 INFO kablam!   --> src/lib.rs:14:22
Sep 10 15:19:05.550 INFO kablam!    |
Sep 10 15:19:05.550 INFO kablam! 14 | use std::io::{ self, Write };
Sep 10 15:19:05.550 INFO kablam!    |                      ^^^^^
Sep 10 15:19:05.550 INFO kablam! 
Sep 10 15:19:05.550 INFO kablam! warning: unused import: `Read`
Sep 10 15:19:05.550 INFO kablam!  --> src/interpreter.rs:4:16
Sep 10 15:19:05.550 INFO kablam!   |
Sep 10 15:19:05.550 INFO kablam! 4 | use std::io::{ Read, Write };
Sep 10 15:19:05.550 INFO kablam!   |                ^^^^
Sep 10 15:19:05.550 INFO kablam! 
Sep 10 15:19:05.574 INFO kablam! warning: unused variable: `id`
Sep 10 15:19:05.574 INFO kablam!   --> src/interpreter.rs:64:27
Sep 10 15:19:05.574 INFO kablam!    |
Sep 10 15:19:05.574 INFO kablam! 64 |     fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function<V> + 'a)>)
Sep 10 15:19:05.574 INFO kablam!    |                           ^^ help: consider using `_id` instead
Sep 10 15:19:05.574 INFO kablam!    |
Sep 10 15:19:05.574 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 10 15:19:05.574 INFO kablam! 
Sep 10 15:19:05.574 INFO kablam! warning: unused variable: `env`
Sep 10 15:19:05.574 INFO kablam!   --> src/interpreter.rs:64:37
Sep 10 15:19:05.574 INFO kablam!    |
Sep 10 15:19:05.574 INFO kablam! 64 |     fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function<V> + 'a)>)
Sep 10 15:19:05.574 INFO kablam!    |                                     ^^^ help: consider using `_env` instead
Sep 10 15:19:05.574 INFO kablam! 
Sep 10 15:19:05.574 INFO kablam! warning: unused variable: `calls`
Sep 10 15:19:05.574 INFO kablam!   --> src/interpreter.rs:64:55
Sep 10 15:19:05.574 INFO kablam!    |
Sep 10 15:19:05.574 INFO kablam! 64 |     fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function<V> + 'a)>)
Sep 10 15:19:05.574 INFO kablam!    |                                                       ^^^^^ help: consider using `_calls` instead
Sep 10 15:19:05.574 INFO kablam! 
Sep 10 15:19:05.574 INFO kablam! warning: unused variable: `name`
Sep 10 15:19:05.574 INFO kablam!    --> src/interpreter.rs:136:49
Sep 10 15:19:05.574 INFO kablam!     |
Sep 10 15:19:05.574 INFO kablam! 136 |                     Instruction::Property { mut name } => {
Sep 10 15:19:05.575 INFO kablam!     |                                                 ^^^^ help: try ignoring the field: `name: _`
Sep 10 15:19:05.575 INFO kablam! 
Sep 10 15:19:05.575 INFO kablam! warning: unused variable: `name`
Sep 10 15:19:05.575 INFO kablam!    --> src/interpreter.rs:267:30
Sep 10 15:19:05.575 INFO kablam!     |
Sep 10 15:19:05.575 INFO kablam! 267 |             Mem::Parameter { name } => {
Sep 10 15:19:05.575 INFO kablam!     |                              ^^^^ help: try ignoring the field: `name: _`
Sep 10 15:19:05.575 INFO kablam! 
Sep 10 15:19:05.575 INFO kablam! warning: unused variable: `id`
Sep 10 15:19:05.575 INFO kablam!   --> src/compiler.rs:36:27
Sep 10 15:19:05.575 INFO kablam!    |
Sep 10 15:19:05.575 INFO kablam! 36 |     fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function<V> + 'a)>)
Sep 10 15:19:05.575 INFO kablam!    |                           ^^ help: consider using `_id` instead
Sep 10 15:19:05.575 INFO kablam! 
Sep 10 15:19:05.575 INFO kablam! warning: unused variable: `env`
Sep 10 15:19:05.575 INFO kablam!   --> src/compiler.rs:36:37
Sep 10 15:19:05.575 INFO kablam!    |
Sep 10 15:19:05.575 INFO kablam! 36 |     fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function<V> + 'a)>)
Sep 10 15:19:05.575 INFO kablam!    |                                     ^^^ help: consider using `_env` instead
Sep 10 15:19:05.575 INFO kablam! 
Sep 10 15:19:05.575 INFO kablam! warning: unused variable: `calls`
Sep 10 15:19:05.575 INFO kablam!   --> src/compiler.rs:36:55
Sep 10 15:19:05.575 INFO kablam!    |
Sep 10 15:19:05.575 INFO kablam! 36 |     fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function<V> + 'a)>)
Sep 10 15:19:05.575 INFO kablam!    |                                                       ^^^^^ help: consider using `_calls` instead
Sep 10 15:19:05.575 INFO kablam! 
Sep 10 15:19:05.575 INFO kablam! warning: unused variable: `buf`
Sep 10 15:19:05.575 INFO kablam!   --> src/compiler.rs:68:24
Sep 10 15:19:05.575 INFO kablam!    |
Sep 10 15:19:05.575 INFO kablam! 68 |     fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
Sep 10 15:19:05.575 INFO kablam!    |                        ^^^ help: consider using `_buf` instead
Sep 10 15:19:05.575 INFO kablam! 
Sep 10 15:19:05.575 INFO kablam! warning: unused variable: `input`
Sep 10 15:19:05.575 INFO kablam!   --> src/compiler.rs:80:29
Sep 10 15:19:05.575 INFO kablam!    |
Sep 10 15:19:05.575 INFO kablam! 80 |         pub fn output<I, O>(input: &mut I, output: &mut O)
Sep 10 15:19:05.575 INFO kablam!    |                             ^^^^^ help: consider using `_input` instead
Sep 10 15:19:05.575 INFO kablam! 
Sep 10 15:19:05.575 INFO kablam! warning: unused variable: `output`
Sep 10 15:19:05.575 INFO kablam!   --> src/compiler.rs:80:44
Sep 10 15:19:05.575 INFO kablam!    |
Sep 10 15:19:05.575 INFO kablam! 80 |         pub fn output<I, O>(input: &mut I, output: &mut O)
Sep 10 15:19:05.575 INFO kablam!    |                                            ^^^^^^ help: consider using `_output` instead
Sep 10 15:19:05.575 INFO kablam! 
Sep 10 15:19:05.593 INFO kablam! warning: unused variable: `id`
Sep 10 15:19:05.593 INFO kablam!   --> src/interpreter.rs:64:27
Sep 10 15:19:05.593 INFO kablam!    |
Sep 10 15:19:05.593 INFO kablam! 64 |     fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function<V> + 'a)>)
Sep 10 15:19:05.593 INFO kablam!    |                           ^^ help: consider using `_id` instead
Sep 10 15:19:05.593 INFO kablam!    |
Sep 10 15:19:05.593 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 10 15:19:05.593 INFO kablam! 
Sep 10 15:19:05.593 INFO kablam! warning: unused variable: `env`
Sep 10 15:19:05.593 INFO kablam!   --> src/interpreter.rs:64:37
Sep 10 15:19:05.593 INFO kablam!    |
Sep 10 15:19:05.593 INFO kablam! 64 |     fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function<V> + 'a)>)
Sep 10 15:19:05.593 INFO kablam!    |                                     ^^^ help: consider using `_env` instead
Sep 10 15:19:05.593 INFO kablam! 
Sep 10 15:19:05.593 INFO kablam! warning: unused variable: `calls`
Sep 10 15:19:05.593 INFO kablam!   --> src/interpreter.rs:64:55
Sep 10 15:19:05.593 INFO kablam!    |
Sep 10 15:19:05.593 INFO kablam! 64 |     fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function<V> + 'a)>)
Sep 10 15:19:05.593 INFO kablam!    |                                                       ^^^^^ help: consider using `_calls` instead
Sep 10 15:19:05.593 INFO kablam! 
Sep 10 15:19:05.593 INFO kablam! warning: unused variable: `name`
Sep 10 15:19:05.593 INFO kablam!    --> src/interpreter.rs:136:49
Sep 10 15:19:05.593 INFO kablam!     |
Sep 10 15:19:05.594 INFO kablam! 136 |                     Instruction::Property { mut name } => {
Sep 10 15:19:05.594 INFO kablam!     |                                                 ^^^^ help: try ignoring the field: `name: _`
Sep 10 15:19:05.594 INFO kablam! 
Sep 10 15:19:05.595 INFO kablam! warning: unused variable: `name`
Sep 10 15:19:05.595 INFO kablam!    --> src/interpreter.rs:267:30
Sep 10 15:19:05.595 INFO kablam!     |
Sep 10 15:19:05.595 INFO kablam! 267 |             Mem::Parameter { name } => {
Sep 10 15:19:05.595 INFO kablam!     |                              ^^^^ help: try ignoring the field: `name: _`
Sep 10 15:19:05.595 INFO kablam! 
Sep 10 15:19:05.595 INFO kablam! warning: unused variable: `id`
Sep 10 15:19:05.595 INFO kablam!   --> src/compiler.rs:36:27
Sep 10 15:19:05.595 INFO kablam!    |
Sep 10 15:19:05.595 INFO kablam! 36 |     fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function<V> + 'a)>)
Sep 10 15:19:05.595 INFO kablam!    |                           ^^ help: consider using `_id` instead
Sep 10 15:19:05.595 INFO kablam! 
Sep 10 15:19:05.595 INFO kablam! warning: unused variable: `env`
Sep 10 15:19:05.595 INFO kablam!   --> src/compiler.rs:36:37
Sep 10 15:19:05.595 INFO kablam!    |
Sep 10 15:19:05.595 INFO kablam! 36 |     fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function<V> + 'a)>)
Sep 10 15:19:05.595 INFO kablam!    |                                     ^^^ help: consider using `_env` instead
Sep 10 15:19:05.595 INFO kablam! 
Sep 10 15:19:05.595 INFO kablam! warning: unused variable: `calls`
Sep 10 15:19:05.595 INFO kablam!   --> src/compiler.rs:36:55
Sep 10 15:19:05.595 INFO kablam!    |
Sep 10 15:19:05.595 INFO kablam! 36 |     fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function<V> + 'a)>)
Sep 10 15:19:05.595 INFO kablam!    |                                                       ^^^^^ help: consider using `_calls` instead
Sep 10 15:19:05.595 INFO kablam! 
Sep 10 15:19:05.595 INFO kablam! warning: unused variable: `buf`
Sep 10 15:19:05.595 INFO kablam!   --> src/compiler.rs:68:24
Sep 10 15:19:05.595 INFO kablam!    |
Sep 10 15:19:05.595 INFO kablam! 68 |     fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
Sep 10 15:19:05.595 INFO kablam!    |                        ^^^ help: consider using `_buf` instead
Sep 10 15:19:05.595 INFO kablam! 
Sep 10 15:19:05.595 INFO kablam! warning: unused variable: `input`
Sep 10 15:19:05.595 INFO kablam!   --> src/compiler.rs:80:29
Sep 10 15:19:05.595 INFO kablam!    |
Sep 10 15:19:05.595 INFO kablam! 80 |         pub fn output<I, O>(input: &mut I, output: &mut O)
Sep 10 15:19:05.595 INFO kablam!    |                             ^^^^^ help: consider using `_input` instead
Sep 10 15:19:05.595 INFO kablam! 
Sep 10 15:19:05.595 INFO kablam! warning: unused variable: `output`
Sep 10 15:19:05.595 INFO kablam!   --> src/compiler.rs:80:44
Sep 10 15:19:05.595 INFO kablam!    |
Sep 10 15:19:05.595 INFO kablam! 80 |         pub fn output<I, O>(input: &mut I, output: &mut O)
Sep 10 15:19:05.595 INFO kablam!    |                                            ^^^^^^ help: consider using `_output` instead
Sep 10 15:19:05.595 INFO kablam! 
Sep 10 15:19:05.763 INFO kablam! warning: struct is never constructed: `template_ooo`
Sep 10 15:19:05.763 INFO kablam!   --> src/compiler.rs:77:5
Sep 10 15:19:05.763 INFO kablam!    |
Sep 10 15:19:05.763 INFO kablam! 77 |     pub struct template_ooo;
Sep 10 15:19:05.763 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 15:19:05.764 INFO kablam!    |
Sep 10 15:19:05.764 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 10 15:19:05.764 INFO kablam! 
Sep 10 15:19:05.764 INFO kablam! warning: method is never used: `output`
Sep 10 15:19:05.764 INFO kablam!   --> src/compiler.rs:80:9
Sep 10 15:19:05.764 INFO kablam!    |
Sep 10 15:19:05.764 INFO kablam! 80 | /         pub fn output<I, O>(input: &mut I, output: &mut O)
Sep 10 15:19:05.764 INFO kablam! 81 | |             -> Result<usize, io::Error>
Sep 10 15:19:05.764 INFO kablam! 82 | |         where
Sep 10 15:19:05.764 INFO kablam! 83 | |             I: io::Read + io::Seek, O: io::Write
Sep 10 15:19:05.764 INFO kablam! ...  |
Sep 10 15:19:05.764 INFO kablam! 86 | |             Ok(0)
Sep 10 15:19:05.764 INFO kablam! 87 | |         }
Sep 10 15:19:05.764 INFO kablam!    | |_________^
Sep 10 15:19:05.764 INFO kablam! 
Sep 10 15:19:05.774 INFO kablam! warning: struct is never constructed: `template_ooo`
Sep 10 15:19:05.774 INFO kablam!   --> src/compiler.rs:77:5
Sep 10 15:19:05.774 INFO kablam!    |
Sep 10 15:19:05.774 INFO kablam! 77 |     pub struct template_ooo;
Sep 10 15:19:05.774 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 15:19:05.774 INFO kablam!    |
Sep 10 15:19:05.774 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 10 15:19:05.774 INFO kablam! 
Sep 10 15:19:05.774 INFO kablam! warning: method is never used: `output`
Sep 10 15:19:05.774 INFO kablam!   --> src/compiler.rs:80:9
Sep 10 15:19:05.774 INFO kablam!    |
Sep 10 15:19:05.774 INFO kablam! 80 | /         pub fn output<I, O>(input: &mut I, output: &mut O)
Sep 10 15:19:05.774 INFO kablam! 81 | |             -> Result<usize, io::Error>
Sep 10 15:19:05.774 INFO kablam! 82 | |         where
Sep 10 15:19:05.774 INFO kablam! 83 | |             I: io::Read + io::Seek, O: io::Write
Sep 10 15:19:05.774 INFO kablam! ...  |
Sep 10 15:19:05.774 INFO kablam! 86 | |             Ok(0)
Sep 10 15:19:05.774 INFO kablam! 87 | |         }
Sep 10 15:19:05.774 INFO kablam!    | |_________^
Sep 10 15:19:05.774 INFO kablam! 
Sep 10 15:19:07.110 INFO kablam! warning: unused import: `Write`
Sep 10 15:19:07.110 INFO kablam!  --> examples/hello_world.rs:4:22
Sep 10 15:19:07.110 INFO kablam!   |
Sep 10 15:19:07.110 INFO kablam! 4 | use std::io::{ Read, Write };
Sep 10 15:19:07.110 INFO kablam!   |                      ^^^^^
Sep 10 15:19:07.110 INFO kablam!   |
Sep 10 15:19:07.110 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 10 15:19:07.110 INFO kablam! 
Sep 10 15:19:07.335 INFO kablam! warning: unused `#[macro_use]` import
Sep 10 15:19:07.335 INFO kablam!  --> tests/compiler.rs:2:1
Sep 10 15:19:07.335 INFO kablam!   |
Sep 10 15:19:07.335 INFO kablam! 2 | #[macro_use] extern crate log;
Sep 10 15:19:07.335 INFO kablam!   | ^^^^^^^^^^^^
Sep 10 15:19:07.335 INFO kablam!   |
Sep 10 15:19:07.335 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 10 15:19:07.335 INFO kablam! 
Sep 10 15:19:07.600 INFO kablam! warning: function is never used: `output_param`
Sep 10 15:19:07.600 INFO kablam!   --> tests/compiler.rs:16:1
Sep 10 15:19:07.600 INFO kablam!    |
Sep 10 15:19:07.600 INFO kablam! 16 | fn output_param() {
Sep 10 15:19:07.600 INFO kablam!    | ^^^^^^^^^^^^^^^^^
Sep 10 15:19:07.600 INFO kablam!    |
Sep 10 15:19:07.600 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 10 15:19:07.600 INFO kablam! 
Sep 10 15:19:07.814 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.39s
Sep 10 15:19:07.827 INFO kablam! su: No module specific data is present
Sep 10 15:19:08.963 INFO running `"docker" "rm" "-f" "9390f851fbec08c52ce72882a49ccf3aeccdcff3ab9182e6e89461d38ec94027"`
Sep 10 15:19:09.080 INFO blam! 9390f851fbec08c52ce72882a49ccf3aeccdcff3ab9182e6e89461d38ec94027