Oct 13 12:30:19.437 INFO checking little-0.3.0 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 12:30:19.438 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-0/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/source:ro,Z" "-v" "/mnt/big/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +4021bd0b3c5815b087d6db10ce461e7e4854ade7-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 13 12:30:19.826 INFO blam! fc9d7927c9391b3cb49c07caea71845fb04f4a7166c1be86491dca3c6ce26cb6
Oct 13 12:30:19.827 INFO running `"docker" "start" "-a" "fc9d7927c9391b3cb49c07caea71845fb04f4a7166c1be86491dca3c6ce26cb6"`
Oct 13 12:30:21.288 INFO kablam! usermod: no changes
Oct 13 12:30:21.353 INFO kablam!     Checking little v0.3.0 (/source)
Oct 13 12:30:22.152 INFO kablam! warning: unused import: `BuildError`
Oct 13 12:30:22.152 INFO kablam!  --> src/compiler.rs:9:5
Oct 13 12:30:22.152 INFO kablam!   |
Oct 13 12:30:22.152 INFO kablam! 9 |     BuildError,
Oct 13 12:30:22.152 INFO kablam!   |     ^^^^^^^^^^
Oct 13 12:30:22.152 INFO kablam!   |
Oct 13 12:30:22.152 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 13 12:30:22.152 INFO kablam! 
Oct 13 12:30:22.263 INFO kablam! warning: unused import: `BuildError`
Oct 13 12:30:22.263 INFO kablam!  --> src/compiler.rs:9:5
Oct 13 12:30:22.263 INFO kablam!   |
Oct 13 12:30:22.263 INFO kablam! 9 |     BuildError,
Oct 13 12:30:22.263 INFO kablam!   |     ^^^^^^^^^^
Oct 13 12:30:22.263 INFO kablam!   |
Oct 13 12:30:22.263 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 13 12:30:22.263 INFO kablam! 
Oct 13 12:30:22.392 INFO kablam! warning: unused import: `Write`
Oct 13 12:30:22.392 INFO kablam!   --> src/lib.rs:14:22
Oct 13 12:30:22.392 INFO kablam!    |
Oct 13 12:30:22.392 INFO kablam! 14 | use std::io::{ self, Write };
Oct 13 12:30:22.392 INFO kablam!    |                      ^^^^^
Oct 13 12:30:22.392 INFO kablam! 
Oct 13 12:30:22.392 INFO kablam! warning: unused import: `Read`
Oct 13 12:30:22.392 INFO kablam!  --> src/interpreter.rs:4:16
Oct 13 12:30:22.392 INFO kablam!   |
Oct 13 12:30:22.392 INFO kablam! 4 | use std::io::{ Read, Write };
Oct 13 12:30:22.392 INFO kablam!   |                ^^^^
Oct 13 12:30:22.392 INFO kablam! 
Oct 13 12:30:22.412 INFO kablam! warning: unused variable: `id`
Oct 13 12:30:22.412 INFO kablam!   --> src/interpreter.rs:64:27
Oct 13 12:30:22.412 INFO kablam!    |
Oct 13 12:30:22.412 INFO kablam! 64 |     fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function<V> + 'a)>)
Oct 13 12:30:22.412 INFO kablam!    |                           ^^ help: consider using `_id` instead
Oct 13 12:30:22.412 INFO kablam!    |
Oct 13 12:30:22.412 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 13 12:30:22.412 INFO kablam! 
Oct 13 12:30:22.412 INFO kablam! warning: unused variable: `env`
Oct 13 12:30:22.412 INFO kablam!   --> src/interpreter.rs:64:37
Oct 13 12:30:22.412 INFO kablam!    |
Oct 13 12:30:22.412 INFO kablam! 64 |     fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function<V> + 'a)>)
Oct 13 12:30:22.412 INFO kablam!    |                                     ^^^ help: consider using `_env` instead
Oct 13 12:30:22.412 INFO kablam! 
Oct 13 12:30:22.412 INFO kablam! warning: unused variable: `calls`
Oct 13 12:30:22.412 INFO kablam!   --> src/interpreter.rs:64:55
Oct 13 12:30:22.412 INFO kablam!    |
Oct 13 12:30:22.412 INFO kablam! 64 |     fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function<V> + 'a)>)
Oct 13 12:30:22.412 INFO kablam!    |                                                       ^^^^^ help: consider using `_calls` instead
Oct 13 12:30:22.412 INFO kablam! 
Oct 13 12:30:22.416 INFO kablam! warning: unused variable: `name`
Oct 13 12:30:22.416 INFO kablam!    --> src/interpreter.rs:136:49
Oct 13 12:30:22.416 INFO kablam!     |
Oct 13 12:30:22.416 INFO kablam! 136 |                     Instruction::Property { mut name } => {
Oct 13 12:30:22.416 INFO kablam!     |                                                 ^^^^ help: try ignoring the field: `name: _`
Oct 13 12:30:22.416 INFO kablam! 
Oct 13 12:30:22.416 INFO kablam! warning: unused variable: `name`
Oct 13 12:30:22.416 INFO kablam!    --> src/interpreter.rs:267:30
Oct 13 12:30:22.416 INFO kablam!     |
Oct 13 12:30:22.416 INFO kablam! 267 |             Mem::Parameter { name } => {
Oct 13 12:30:22.416 INFO kablam!     |                              ^^^^ help: try ignoring the field: `name: _`
Oct 13 12:30:22.416 INFO kablam! 
Oct 13 12:30:22.424 INFO kablam! warning: unused variable: `id`
Oct 13 12:30:22.424 INFO kablam!   --> src/compiler.rs:36:27
Oct 13 12:30:22.424 INFO kablam!    |
Oct 13 12:30:22.424 INFO kablam! 36 |     fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function<V> + 'a)>)
Oct 13 12:30:22.424 INFO kablam!    |                           ^^ help: consider using `_id` instead
Oct 13 12:30:22.424 INFO kablam! 
Oct 13 12:30:22.424 INFO kablam! warning: unused variable: `env`
Oct 13 12:30:22.424 INFO kablam!   --> src/compiler.rs:36:37
Oct 13 12:30:22.424 INFO kablam!    |
Oct 13 12:30:22.424 INFO kablam! 36 |     fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function<V> + 'a)>)
Oct 13 12:30:22.424 INFO kablam!    |                                     ^^^ help: consider using `_env` instead
Oct 13 12:30:22.424 INFO kablam! 
Oct 13 12:30:22.424 INFO kablam! warning: unused variable: `calls`
Oct 13 12:30:22.424 INFO kablam!   --> src/compiler.rs:36:55
Oct 13 12:30:22.424 INFO kablam!    |
Oct 13 12:30:22.424 INFO kablam! 36 |     fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function<V> + 'a)>)
Oct 13 12:30:22.424 INFO kablam!    |                                                       ^^^^^ help: consider using `_calls` instead
Oct 13 12:30:22.425 INFO kablam! 
Oct 13 12:30:22.425 INFO kablam! warning: unused variable: `buf`
Oct 13 12:30:22.425 INFO kablam!   --> src/compiler.rs:68:24
Oct 13 12:30:22.425 INFO kablam!    |
Oct 13 12:30:22.425 INFO kablam! 68 |     fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
Oct 13 12:30:22.425 INFO kablam!    |                        ^^^ help: consider using `_buf` instead
Oct 13 12:30:22.425 INFO kablam! 
Oct 13 12:30:22.425 INFO kablam! warning: unused variable: `input`
Oct 13 12:30:22.425 INFO kablam!   --> src/compiler.rs:80:29
Oct 13 12:30:22.425 INFO kablam!    |
Oct 13 12:30:22.425 INFO kablam! 80 |         pub fn output<I, O>(input: &mut I, output: &mut O)
Oct 13 12:30:22.425 INFO kablam!    |                             ^^^^^ help: consider using `_input` instead
Oct 13 12:30:22.425 INFO kablam! 
Oct 13 12:30:22.425 INFO kablam! warning: unused variable: `output`
Oct 13 12:30:22.425 INFO kablam!   --> src/compiler.rs:80:44
Oct 13 12:30:22.425 INFO kablam!    |
Oct 13 12:30:22.425 INFO kablam! 80 |         pub fn output<I, O>(input: &mut I, output: &mut O)
Oct 13 12:30:22.425 INFO kablam!    |                                            ^^^^^^ help: consider using `_output` instead
Oct 13 12:30:22.425 INFO kablam! 
Oct 13 12:30:22.500 INFO kablam! warning: struct is never constructed: `template_ooo`
Oct 13 12:30:22.500 INFO kablam!   --> src/compiler.rs:77:5
Oct 13 12:30:22.500 INFO kablam!    |
Oct 13 12:30:22.500 INFO kablam! 77 |     pub struct template_ooo;
Oct 13 12:30:22.500 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 12:30:22.500 INFO kablam!    |
Oct 13 12:30:22.500 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 13 12:30:22.500 INFO kablam! 
Oct 13 12:30:22.500 INFO kablam! warning: method is never used: `output`
Oct 13 12:30:22.500 INFO kablam!   --> src/compiler.rs:80:9
Oct 13 12:30:22.500 INFO kablam!    |
Oct 13 12:30:22.500 INFO kablam! 80 | /         pub fn output<I, O>(input: &mut I, output: &mut O)
Oct 13 12:30:22.500 INFO kablam! 81 | |             -> Result<usize, io::Error>
Oct 13 12:30:22.500 INFO kablam! 82 | |         where
Oct 13 12:30:22.500 INFO kablam! 83 | |             I: io::Read + io::Seek, O: io::Write
Oct 13 12:30:22.500 INFO kablam! ...  |
Oct 13 12:30:22.500 INFO kablam! 86 | |             Ok(0)
Oct 13 12:30:22.500 INFO kablam! 87 | |         }
Oct 13 12:30:22.501 INFO kablam!    | |_________^
Oct 13 12:30:22.501 INFO kablam! 
Oct 13 12:30:22.536 INFO kablam! warning: unused import: `Write`
Oct 13 12:30:22.536 INFO kablam!   --> src/lib.rs:14:22
Oct 13 12:30:22.536 INFO kablam!    |
Oct 13 12:30:22.536 INFO kablam! 14 | use std::io::{ self, Write };
Oct 13 12:30:22.536 INFO kablam!    |                      ^^^^^
Oct 13 12:30:22.536 INFO kablam! 
Oct 13 12:30:22.536 INFO kablam! warning: unused import: `Read`
Oct 13 12:30:22.536 INFO kablam!  --> src/interpreter.rs:4:16
Oct 13 12:30:22.536 INFO kablam!   |
Oct 13 12:30:22.536 INFO kablam! 4 | use std::io::{ Read, Write };
Oct 13 12:30:22.536 INFO kablam!   |                ^^^^
Oct 13 12:30:22.536 INFO kablam! 
Oct 13 12:30:22.568 INFO kablam! warning: unused variable: `id`
Oct 13 12:30:22.568 INFO kablam!   --> src/interpreter.rs:64:27
Oct 13 12:30:22.568 INFO kablam!    |
Oct 13 12:30:22.568 INFO kablam! 64 |     fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function<V> + 'a)>)
Oct 13 12:30:22.568 INFO kablam!    |                           ^^ help: consider using `_id` instead
Oct 13 12:30:22.568 INFO kablam!    |
Oct 13 12:30:22.568 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 13 12:30:22.568 INFO kablam! 
Oct 13 12:30:22.568 INFO kablam! warning: unused variable: `env`
Oct 13 12:30:22.568 INFO kablam!   --> src/interpreter.rs:64:37
Oct 13 12:30:22.568 INFO kablam!    |
Oct 13 12:30:22.568 INFO kablam! 64 |     fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function<V> + 'a)>)
Oct 13 12:30:22.568 INFO kablam!    |                                     ^^^ help: consider using `_env` instead
Oct 13 12:30:22.568 INFO kablam! 
Oct 13 12:30:22.568 INFO kablam! warning: unused variable: `calls`
Oct 13 12:30:22.568 INFO kablam!   --> src/interpreter.rs:64:55
Oct 13 12:30:22.568 INFO kablam!    |
Oct 13 12:30:22.568 INFO kablam! 64 |     fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function<V> + 'a)>)
Oct 13 12:30:22.568 INFO kablam!    |                                                       ^^^^^ help: consider using `_calls` instead
Oct 13 12:30:22.568 INFO kablam! 
Oct 13 12:30:22.568 INFO kablam! warning: unused variable: `name`
Oct 13 12:30:22.568 INFO kablam!    --> src/interpreter.rs:136:49
Oct 13 12:30:22.568 INFO kablam!     |
Oct 13 12:30:22.568 INFO kablam! 136 |                     Instruction::Property { mut name } => {
Oct 13 12:30:22.568 INFO kablam!     |                                                 ^^^^ help: try ignoring the field: `name: _`
Oct 13 12:30:22.568 INFO kablam! 
Oct 13 12:30:22.568 INFO kablam! warning: unused variable: `name`
Oct 13 12:30:22.568 INFO kablam!    --> src/interpreter.rs:267:30
Oct 13 12:30:22.568 INFO kablam!     |
Oct 13 12:30:22.568 INFO kablam! 267 |             Mem::Parameter { name } => {
Oct 13 12:30:22.568 INFO kablam!     |                              ^^^^ help: try ignoring the field: `name: _`
Oct 13 12:30:22.568 INFO kablam! 
Oct 13 12:30:22.568 INFO kablam! warning: unused variable: `id`
Oct 13 12:30:22.568 INFO kablam!   --> src/compiler.rs:36:27
Oct 13 12:30:22.568 INFO kablam!    |
Oct 13 12:30:22.569 INFO kablam! 36 |     fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function<V> + 'a)>)
Oct 13 12:30:22.569 INFO kablam!    |                           ^^ help: consider using `_id` instead
Oct 13 12:30:22.569 INFO kablam! 
Oct 13 12:30:22.569 INFO kablam! warning: unused variable: `env`
Oct 13 12:30:22.569 INFO kablam!   --> src/compiler.rs:36:37
Oct 13 12:30:22.569 INFO kablam!    |
Oct 13 12:30:22.569 INFO kablam! 36 |     fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function<V> + 'a)>)
Oct 13 12:30:22.569 INFO kablam!    |                                     ^^^ help: consider using `_env` instead
Oct 13 12:30:22.569 INFO kablam! 
Oct 13 12:30:22.569 INFO kablam! warning: unused variable: `calls`
Oct 13 12:30:22.569 INFO kablam!   --> src/compiler.rs:36:55
Oct 13 12:30:22.569 INFO kablam!    |
Oct 13 12:30:22.569 INFO kablam! 36 |     fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function<V> + 'a)>)
Oct 13 12:30:22.569 INFO kablam!    |                                                       ^^^^^ help: consider using `_calls` instead
Oct 13 12:30:22.569 INFO kablam! 
Oct 13 12:30:22.569 INFO kablam! warning: unused variable: `buf`
Oct 13 12:30:22.569 INFO kablam!   --> src/compiler.rs:68:24
Oct 13 12:30:22.569 INFO kablam!    |
Oct 13 12:30:22.569 INFO kablam! 68 |     fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
Oct 13 12:30:22.569 INFO kablam!    |                        ^^^ help: consider using `_buf` instead
Oct 13 12:30:22.569 INFO kablam! 
Oct 13 12:30:22.569 INFO kablam! warning: unused variable: `input`
Oct 13 12:30:22.569 INFO kablam!   --> src/compiler.rs:80:29
Oct 13 12:30:22.569 INFO kablam!    |
Oct 13 12:30:22.569 INFO kablam! 80 |         pub fn output<I, O>(input: &mut I, output: &mut O)
Oct 13 12:30:22.569 INFO kablam!    |                             ^^^^^ help: consider using `_input` instead
Oct 13 12:30:22.569 INFO kablam! 
Oct 13 12:30:22.569 INFO kablam! warning: unused variable: `output`
Oct 13 12:30:22.569 INFO kablam!   --> src/compiler.rs:80:44
Oct 13 12:30:22.569 INFO kablam!    |
Oct 13 12:30:22.569 INFO kablam! 80 |         pub fn output<I, O>(input: &mut I, output: &mut O)
Oct 13 12:30:22.569 INFO kablam!    |                                            ^^^^^^ help: consider using `_output` instead
Oct 13 12:30:22.569 INFO kablam! 
Oct 13 12:30:22.676 INFO kablam! warning: struct is never constructed: `template_ooo`
Oct 13 12:30:22.676 INFO kablam!   --> src/compiler.rs:77:5
Oct 13 12:30:22.676 INFO kablam!    |
Oct 13 12:30:22.676 INFO kablam! 77 |     pub struct template_ooo;
Oct 13 12:30:22.676 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 12:30:22.676 INFO kablam!    |
Oct 13 12:30:22.676 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 13 12:30:22.676 INFO kablam! 
Oct 13 12:30:22.676 INFO kablam! warning: method is never used: `output`
Oct 13 12:30:22.676 INFO kablam!   --> src/compiler.rs:80:9
Oct 13 12:30:22.676 INFO kablam!    |
Oct 13 12:30:22.676 INFO kablam! 80 | /         pub fn output<I, O>(input: &mut I, output: &mut O)
Oct 13 12:30:22.676 INFO kablam! 81 | |             -> Result<usize, io::Error>
Oct 13 12:30:22.676 INFO kablam! 82 | |         where
Oct 13 12:30:22.676 INFO kablam! 83 | |             I: io::Read + io::Seek, O: io::Write
Oct 13 12:30:22.676 INFO kablam! ...  |
Oct 13 12:30:22.676 INFO kablam! 86 | |             Ok(0)
Oct 13 12:30:22.677 INFO kablam! 87 | |         }
Oct 13 12:30:22.677 INFO kablam!    | |_________^
Oct 13 12:30:22.677 INFO kablam! 
Oct 13 12:30:23.796 INFO kablam! warning: unused import: `Write`
Oct 13 12:30:23.796 INFO kablam!  --> examples/hello_world.rs:4:22
Oct 13 12:30:23.796 INFO kablam!   |
Oct 13 12:30:23.796 INFO kablam! 4 | use std::io::{ Read, Write };
Oct 13 12:30:23.796 INFO kablam!   |                      ^^^^^
Oct 13 12:30:23.796 INFO kablam!   |
Oct 13 12:30:23.796 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 13 12:30:23.796 INFO kablam! 
Oct 13 12:30:24.588 INFO kablam! warning: unused `#[macro_use]` import
Oct 13 12:30:24.588 INFO kablam!  --> tests/compiler.rs:2:1
Oct 13 12:30:24.588 INFO kablam!   |
Oct 13 12:30:24.588 INFO kablam! 2 | #[macro_use] extern crate log;
Oct 13 12:30:24.588 INFO kablam!   | ^^^^^^^^^^^^
Oct 13 12:30:24.588 INFO kablam!   |
Oct 13 12:30:24.588 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 13 12:30:24.588 INFO kablam! 
Oct 13 12:30:24.688 INFO kablam! warning: function is never used: `output_param`
Oct 13 12:30:24.688 INFO kablam!   --> tests/compiler.rs:16:1
Oct 13 12:30:24.688 INFO kablam!    |
Oct 13 12:30:24.688 INFO kablam! 16 | fn output_param() {
Oct 13 12:30:24.688 INFO kablam!    | ^^^^^^^^^^^^^^^^^
Oct 13 12:30:24.688 INFO kablam!    |
Oct 13 12:30:24.688 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 13 12:30:24.688 INFO kablam! 
Oct 13 12:30:24.792 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.48s
Oct 13 12:30:24.805 INFO kablam! su: No module specific data is present
Oct 13 12:30:25.108 INFO running `"docker" "rm" "-f" "fc9d7927c9391b3cb49c07caea71845fb04f4a7166c1be86491dca3c6ce26cb6"`
Oct 13 12:30:25.218 INFO blam! fc9d7927c9391b3cb49c07caea71845fb04f4a7166c1be86491dca3c6ce26cb6