Nov 28 22:31:26.531 INFO checking little-0.3.0 against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 28 22:31:26.534 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-5/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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"`
Nov 28 22:31:26.809 INFO [stdout] 8249ed3f440d7237ddc9b71f09e97171fb74789b0796fa5e8609420303a2b455
Nov 28 22:31:26.814 INFO running `"docker" "start" "-a" "8249ed3f440d7237ddc9b71f09e97171fb74789b0796fa5e8609420303a2b455"`
Nov 28 22:31:27.684 INFO [stderr] usermod: no changes
Nov 28 22:31:27.776 INFO [stderr]     Checking little v0.3.0 (/source)
Nov 28 22:31:28.477 INFO [stderr] warning: unused import: `BuildError`
Nov 28 22:31:28.478 INFO [stderr]  --> src/compiler.rs:9:5
Nov 28 22:31:28.478 INFO [stderr]   |
Nov 28 22:31:28.478 INFO [stderr] 9 |     BuildError,
Nov 28 22:31:28.478 INFO [stderr]   |     ^^^^^^^^^^
Nov 28 22:31:28.480 INFO [stderr]   |
Nov 28 22:31:28.480 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 22:31:28.480 INFO [stderr] 
Nov 28 22:31:28.512 INFO [stderr] warning: unused import: `BuildError`
Nov 28 22:31:28.512 INFO [stderr]  --> src/compiler.rs:9:5
Nov 28 22:31:28.512 INFO [stderr]   |
Nov 28 22:31:28.512 INFO [stderr] 9 |     BuildError,
Nov 28 22:31:28.512 INFO [stderr]   |     ^^^^^^^^^^
Nov 28 22:31:28.512 INFO [stderr]   |
Nov 28 22:31:28.512 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 22:31:28.512 INFO [stderr] 
Nov 28 22:31:28.682 INFO [stderr] warning: unused import: `Write`
Nov 28 22:31:28.683 INFO [stderr]   --> src/lib.rs:14:22
Nov 28 22:31:28.684 INFO [stderr]    |
Nov 28 22:31:28.684 INFO [stderr] 14 | use std::io::{ self, Write };
Nov 28 22:31:28.685 INFO [stderr]    |                      ^^^^^
Nov 28 22:31:28.685 INFO [stderr] 
Nov 28 22:31:28.686 INFO [stderr] warning: unused import: `Read`
Nov 28 22:31:28.686 INFO [stderr]  --> src/interpreter.rs:4:16
Nov 28 22:31:28.687 INFO [stderr]   |
Nov 28 22:31:28.687 INFO [stderr] 4 | use std::io::{ Read, Write };
Nov 28 22:31:28.687 INFO [stderr]   |                ^^^^
Nov 28 22:31:28.688 INFO [stderr] 
Nov 28 22:31:28.712 INFO [stderr] warning: unused variable: `id`
Nov 28 22:31:28.713 INFO [stderr]   --> src/interpreter.rs:64:27
Nov 28 22:31:28.714 INFO [stderr]    |
Nov 28 22:31:28.715 INFO [stderr] 64 |     fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function<V> + 'a)>)
Nov 28 22:31:28.715 INFO [stderr]    |                           ^^ help: consider using `_id` instead
Nov 28 22:31:28.716 INFO [stderr]    |
Nov 28 22:31:28.716 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 22:31:28.717 INFO [stderr] 
Nov 28 22:31:28.717 INFO [stderr] warning: unused variable: `env`
Nov 28 22:31:28.718 INFO [stderr]   --> src/interpreter.rs:64:37
Nov 28 22:31:28.718 INFO [stderr]    |
Nov 28 22:31:28.718 INFO [stderr] 64 |     fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function<V> + 'a)>)
Nov 28 22:31:28.718 INFO [stderr]    |                                     ^^^ help: consider using `_env` instead
Nov 28 22:31:28.719 INFO [stderr] 
Nov 28 22:31:28.719 INFO [stderr] warning: unused variable: `calls`
Nov 28 22:31:28.719 INFO [stderr]   --> src/interpreter.rs:64:55
Nov 28 22:31:28.720 INFO [stderr]    |
Nov 28 22:31:28.720 INFO [stderr] 64 |     fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function<V> + 'a)>)
Nov 28 22:31:28.720 INFO [stderr]    |                                                       ^^^^^ help: consider using `_calls` instead
Nov 28 22:31:28.721 INFO [stderr] 
Nov 28 22:31:28.722 INFO [stderr] warning: unused variable: `name`
Nov 28 22:31:28.722 INFO [stderr]    --> src/interpreter.rs:136:49
Nov 28 22:31:28.722 INFO [stderr]     |
Nov 28 22:31:28.723 INFO [stderr] 136 |                     Instruction::Property { mut name } => {
Nov 28 22:31:28.723 INFO [stderr]     |                                                 ^^^^ help: try ignoring the field: `name: _`
Nov 28 22:31:28.723 INFO [stderr] 
Nov 28 22:31:28.724 INFO [stderr] warning: unused variable: `name`
Nov 28 22:31:28.724 INFO [stderr]    --> src/interpreter.rs:267:30
Nov 28 22:31:28.724 INFO [stderr]     |
Nov 28 22:31:28.724 INFO [stderr] 267 |             Mem::Parameter { name } => {
Nov 28 22:31:28.725 INFO [stderr]     |                              ^^^^ help: try ignoring the field: `name: _`
Nov 28 22:31:28.725 INFO [stderr] 
Nov 28 22:31:28.729 INFO [stderr] warning: unused variable: `id`
Nov 28 22:31:28.729 INFO [stderr]   --> src/compiler.rs:36:27
Nov 28 22:31:28.729 INFO [stderr]    |
Nov 28 22:31:28.729 INFO [stderr] 36 |     fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function<V> + 'a)>)
Nov 28 22:31:28.730 INFO [stderr]    |                           ^^ help: consider using `_id` instead
Nov 28 22:31:28.730 INFO [stderr] 
Nov 28 22:31:28.730 INFO [stderr] warning: unused variable: `env`
Nov 28 22:31:28.731 INFO [stderr]   --> src/compiler.rs:36:37
Nov 28 22:31:28.731 INFO [stderr]    |
Nov 28 22:31:28.731 INFO [stderr] 36 |     fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function<V> + 'a)>)
Nov 28 22:31:28.732 INFO [stderr]    |                                     ^^^ help: consider using `_env` instead
Nov 28 22:31:28.732 INFO [stderr] 
Nov 28 22:31:28.732 INFO [stderr] warning: unused variable: `calls`
Nov 28 22:31:28.732 INFO [stderr]   --> src/compiler.rs:36:55
Nov 28 22:31:28.733 INFO [stderr]    |
Nov 28 22:31:28.733 INFO [stderr] 36 |     fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function<V> + 'a)>)
Nov 28 22:31:28.733 INFO [stderr]    |                                                       ^^^^^ help: consider using `_calls` instead
Nov 28 22:31:28.734 INFO [stderr] 
Nov 28 22:31:28.734 INFO [stderr] warning: unused variable: `buf`
Nov 28 22:31:28.734 INFO [stderr]   --> src/compiler.rs:68:24
Nov 28 22:31:28.734 INFO [stderr]    |
Nov 28 22:31:28.735 INFO [stderr] 68 |     fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
Nov 28 22:31:28.735 INFO [stderr]    |                        ^^^ help: consider using `_buf` instead
Nov 28 22:31:28.735 INFO [stderr] 
Nov 28 22:31:28.736 INFO [stderr] warning: unused variable: `input`
Nov 28 22:31:28.736 INFO [stderr]   --> src/compiler.rs:80:29
Nov 28 22:31:28.736 INFO [stderr]    |
Nov 28 22:31:28.737 INFO [stderr] 80 |         pub fn output<I, O>(input: &mut I, output: &mut O)
Nov 28 22:31:28.737 INFO [stderr]    |                             ^^^^^ help: consider using `_input` instead
Nov 28 22:31:28.737 INFO [stderr] 
Nov 28 22:31:28.737 INFO [stderr] warning: unused variable: `output`
Nov 28 22:31:28.738 INFO [stderr]   --> src/compiler.rs:80:44
Nov 28 22:31:28.738 INFO [stderr]    |
Nov 28 22:31:28.738 INFO [stderr] 80 |         pub fn output<I, O>(input: &mut I, output: &mut O)
Nov 28 22:31:28.739 INFO [stderr]    |                                            ^^^^^^ help: consider using `_output` instead
Nov 28 22:31:28.739 INFO [stderr] 
Nov 28 22:31:28.739 INFO [stderr] warning: unused import: `Write`
Nov 28 22:31:28.739 INFO [stderr]   --> src/lib.rs:14:22
Nov 28 22:31:28.740 INFO [stderr]    |
Nov 28 22:31:28.740 INFO [stderr] 14 | use std::io::{ self, Write };
Nov 28 22:31:28.740 INFO [stderr]    |                      ^^^^^
Nov 28 22:31:28.741 INFO [stderr] 
Nov 28 22:31:28.741 INFO [stderr] warning: unused import: `Read`
Nov 28 22:31:28.741 INFO [stderr]  --> src/interpreter.rs:4:16
Nov 28 22:31:28.742 INFO [stderr]   |
Nov 28 22:31:28.742 INFO [stderr] 4 | use std::io::{ Read, Write };
Nov 28 22:31:28.742 INFO [stderr]   |                ^^^^
Nov 28 22:31:28.742 INFO [stderr] 
Nov 28 22:31:28.763 INFO [stderr] warning: unused variable: `id`
Nov 28 22:31:28.763 INFO [stderr]   --> src/interpreter.rs:64:27
Nov 28 22:31:28.763 INFO [stderr]    |
Nov 28 22:31:28.764 INFO [stderr] 64 |     fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function<V> + 'a)>)
Nov 28 22:31:28.764 INFO [stderr]    |                           ^^ help: consider using `_id` instead
Nov 28 22:31:28.764 INFO [stderr]    |
Nov 28 22:31:28.765 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 22:31:28.765 INFO [stderr] 
Nov 28 22:31:28.765 INFO [stderr] warning: unused variable: `env`
Nov 28 22:31:28.765 INFO [stderr]   --> src/interpreter.rs:64:37
Nov 28 22:31:28.766 INFO [stderr]    |
Nov 28 22:31:28.766 INFO [stderr] 64 |     fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function<V> + 'a)>)
Nov 28 22:31:28.766 INFO [stderr]    |                                     ^^^ help: consider using `_env` instead
Nov 28 22:31:28.767 INFO [stderr] 
Nov 28 22:31:28.767 INFO [stderr] warning: unused variable: `calls`
Nov 28 22:31:28.767 INFO [stderr]   --> src/interpreter.rs:64:55
Nov 28 22:31:28.768 INFO [stderr]    |
Nov 28 22:31:28.772 INFO [stderr] 64 |     fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function<V> + 'a)>)
Nov 28 22:31:28.772 INFO [stderr]    |                                                       ^^^^^ help: consider using `_calls` instead
Nov 28 22:31:28.773 INFO [stderr] 
Nov 28 22:31:28.773 INFO [stderr] warning: unused variable: `name`
Nov 28 22:31:28.773 INFO [stderr]    --> src/interpreter.rs:136:49
Nov 28 22:31:28.774 INFO [stderr]     |
Nov 28 22:31:28.774 INFO [stderr] 136 |                     Instruction::Property { mut name } => {
Nov 28 22:31:28.774 INFO [stderr]     |                                                 ^^^^ help: try ignoring the field: `name: _`
Nov 28 22:31:28.774 INFO [stderr] 
Nov 28 22:31:28.775 INFO [stderr] warning: unused variable: `name`
Nov 28 22:31:28.775 INFO [stderr]    --> src/interpreter.rs:267:30
Nov 28 22:31:28.775 INFO [stderr]     |
Nov 28 22:31:28.776 INFO [stderr] 267 |             Mem::Parameter { name } => {
Nov 28 22:31:28.776 INFO [stderr]     |                              ^^^^ help: try ignoring the field: `name: _`
Nov 28 22:31:28.776 INFO [stderr] 
Nov 28 22:31:28.776 INFO [stderr] warning: unused variable: `id`
Nov 28 22:31:28.777 INFO [stderr]   --> src/compiler.rs:36:27
Nov 28 22:31:28.777 INFO [stderr]    |
Nov 28 22:31:28.777 INFO [stderr] 36 |     fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function<V> + 'a)>)
Nov 28 22:31:28.778 INFO [stderr]    |                           ^^ help: consider using `_id` instead
Nov 28 22:31:28.778 INFO [stderr] 
Nov 28 22:31:28.778 INFO [stderr] warning: unused variable: `env`
Nov 28 22:31:28.779 INFO [stderr]   --> src/compiler.rs:36:37
Nov 28 22:31:28.779 INFO [stderr]    |
Nov 28 22:31:28.779 INFO [stderr] 36 |     fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function<V> + 'a)>)
Nov 28 22:31:28.779 INFO [stderr]    |                                     ^^^ help: consider using `_env` instead
Nov 28 22:31:28.780 INFO [stderr] 
Nov 28 22:31:28.780 INFO [stderr] warning: unused variable: `calls`
Nov 28 22:31:28.780 INFO [stderr]   --> src/compiler.rs:36:55
Nov 28 22:31:28.781 INFO [stderr]    |
Nov 28 22:31:28.781 INFO [stderr] 36 |     fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function<V> + 'a)>)
Nov 28 22:31:28.781 INFO [stderr]    |                                                       ^^^^^ help: consider using `_calls` instead
Nov 28 22:31:28.781 INFO [stderr] 
Nov 28 22:31:28.782 INFO [stderr] warning: unused variable: `buf`
Nov 28 22:31:28.782 INFO [stderr]   --> src/compiler.rs:68:24
Nov 28 22:31:28.782 INFO [stderr]    |
Nov 28 22:31:28.783 INFO [stderr] 68 |     fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
Nov 28 22:31:28.783 INFO [stderr]    |                        ^^^ help: consider using `_buf` instead
Nov 28 22:31:28.783 INFO [stderr] 
Nov 28 22:31:28.784 INFO [stderr] warning: unused variable: `input`
Nov 28 22:31:28.784 INFO [stderr]   --> src/compiler.rs:80:29
Nov 28 22:31:28.784 INFO [stderr]    |
Nov 28 22:31:28.784 INFO [stderr] 80 |         pub fn output<I, O>(input: &mut I, output: &mut O)
Nov 28 22:31:28.785 INFO [stderr]    |                             ^^^^^ help: consider using `_input` instead
Nov 28 22:31:28.785 INFO [stderr] 
Nov 28 22:31:28.785 INFO [stderr] warning: unused variable: `output`
Nov 28 22:31:28.786 INFO [stderr]   --> src/compiler.rs:80:44
Nov 28 22:31:28.786 INFO [stderr]    |
Nov 28 22:31:28.786 INFO [stderr] 80 |         pub fn output<I, O>(input: &mut I, output: &mut O)
Nov 28 22:31:28.786 INFO [stderr]    |                                            ^^^^^^ help: consider using `_output` instead
Nov 28 22:31:28.787 INFO [stderr] 
Nov 28 22:31:28.850 INFO [stderr] warning: struct is never constructed: `template_ooo`
Nov 28 22:31:28.850 INFO [stderr]   --> src/compiler.rs:77:5
Nov 28 22:31:28.851 INFO [stderr]    |
Nov 28 22:31:28.851 INFO [stderr] 77 |     pub struct template_ooo;
Nov 28 22:31:28.851 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 22:31:28.851 INFO [stderr]    |
Nov 28 22:31:28.851 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 22:31:28.851 INFO [stderr] 
Nov 28 22:31:28.851 INFO [stderr] warning: method is never used: `output`
Nov 28 22:31:28.852 INFO [stderr]   --> src/compiler.rs:80:9
Nov 28 22:31:28.852 INFO [stderr]    |
Nov 28 22:31:28.852 INFO [stderr] 80 | /         pub fn output<I, O>(input: &mut I, output: &mut O)
Nov 28 22:31:28.852 INFO [stderr] 81 | |             -> Result<usize, io::Error>
Nov 28 22:31:28.852 INFO [stderr] 82 | |         where
Nov 28 22:31:28.852 INFO [stderr] 83 | |             I: io::Read + io::Seek, O: io::Write
Nov 28 22:31:28.852 INFO [stderr] ...  |
Nov 28 22:31:28.852 INFO [stderr] 86 | |             Ok(0)
Nov 28 22:31:28.852 INFO [stderr] 87 | |         }
Nov 28 22:31:28.852 INFO [stderr]    | |_________^
Nov 28 22:31:28.852 INFO [stderr] 
Nov 28 22:31:28.873 INFO [stderr] warning: struct is never constructed: `template_ooo`
Nov 28 22:31:28.873 INFO [stderr]   --> src/compiler.rs:77:5
Nov 28 22:31:28.873 INFO [stderr]    |
Nov 28 22:31:28.873 INFO [stderr] 77 |     pub struct template_ooo;
Nov 28 22:31:28.873 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 22:31:28.873 INFO [stderr]    |
Nov 28 22:31:28.873 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 22:31:28.873 INFO [stderr] 
Nov 28 22:31:28.873 INFO [stderr] warning: method is never used: `output`
Nov 28 22:31:28.874 INFO [stderr]   --> src/compiler.rs:80:9
Nov 28 22:31:28.874 INFO [stderr]    |
Nov 28 22:31:28.874 INFO [stderr] 80 | /         pub fn output<I, O>(input: &mut I, output: &mut O)
Nov 28 22:31:28.874 INFO [stderr] 81 | |             -> Result<usize, io::Error>
Nov 28 22:31:28.874 INFO [stderr] 82 | |         where
Nov 28 22:31:28.874 INFO [stderr] 83 | |             I: io::Read + io::Seek, O: io::Write
Nov 28 22:31:28.874 INFO [stderr] ...  |
Nov 28 22:31:28.874 INFO [stderr] 86 | |             Ok(0)
Nov 28 22:31:28.874 INFO [stderr] 87 | |         }
Nov 28 22:31:28.874 INFO [stderr]    | |_________^
Nov 28 22:31:28.875 INFO [stderr] 
Nov 28 22:31:30.688 INFO [stderr] warning: unused import: `Write`
Nov 28 22:31:30.688 INFO [stderr]  --> examples/hello_world.rs:4:22
Nov 28 22:31:30.688 INFO [stderr]   |
Nov 28 22:31:30.688 INFO [stderr] 4 | use std::io::{ Read, Write };
Nov 28 22:31:30.688 INFO [stderr]   |                      ^^^^^
Nov 28 22:31:30.688 INFO [stderr]   |
Nov 28 22:31:30.688 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 22:31:30.688 INFO [stderr] 
Nov 28 22:31:31.608 INFO [stderr] warning: unused `#[macro_use]` import
Nov 28 22:31:31.608 INFO [stderr]  --> tests/compiler.rs:2:1
Nov 28 22:31:31.608 INFO [stderr]   |
Nov 28 22:31:31.608 INFO [stderr] 2 | #[macro_use] extern crate log;
Nov 28 22:31:31.608 INFO [stderr]   | ^^^^^^^^^^^^
Nov 28 22:31:31.608 INFO [stderr]   |
Nov 28 22:31:31.608 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 22:31:31.608 INFO [stderr] 
Nov 28 22:31:31.708 INFO [stderr] warning: function is never used: `output_param`
Nov 28 22:31:31.708 INFO [stderr]   --> tests/compiler.rs:16:1
Nov 28 22:31:31.708 INFO [stderr]    |
Nov 28 22:31:31.708 INFO [stderr] 16 | fn output_param() {
Nov 28 22:31:31.708 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Nov 28 22:31:31.708 INFO [stderr]    |
Nov 28 22:31:31.708 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 22:31:31.708 INFO [stderr] 
Nov 28 22:31:31.725 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.01s
Nov 28 22:31:31.727 INFO [stderr] su: No module specific data is present
Nov 28 22:31:32.265 INFO running `"docker" "inspect" "8249ed3f440d7237ddc9b71f09e97171fb74789b0796fa5e8609420303a2b455"`
Nov 28 22:31:32.718 INFO running `"docker" "rm" "-f" "8249ed3f440d7237ddc9b71f09e97171fb74789b0796fa5e8609420303a2b455"`
Nov 28 22:31:33.020 INFO [stdout] 8249ed3f440d7237ddc9b71f09e97171fb74789b0796fa5e8609420303a2b455