Nov 30 19:55:49.729 INFO checking little-0.3.0 against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 19:55:49.730 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-0/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 30 19:55:50.212 INFO [stdout] 2c75803d2082a0207a3411f4b98af10da116c27fdd4f1b910ed45625122b3e14
Nov 30 19:55:50.214 INFO running `"docker" "start" "-a" "2c75803d2082a0207a3411f4b98af10da116c27fdd4f1b910ed45625122b3e14"`
Nov 30 19:55:50.888 INFO [stderr] usermod: no changes
Nov 30 19:55:50.972 INFO [stderr]     Checking little v0.3.0 (/source)
Nov 30 19:55:51.716 INFO [stderr] warning: unused import: `BuildError`
Nov 30 19:55:51.716 INFO [stderr]  --> src/compiler.rs:9:5
Nov 30 19:55:51.716 INFO [stderr]   |
Nov 30 19:55:51.716 INFO [stderr] 9 |     BuildError,
Nov 30 19:55:51.716 INFO [stderr]   |     ^^^^^^^^^^
Nov 30 19:55:51.716 INFO [stderr]   |
Nov 30 19:55:51.716 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 19:55:51.716 INFO [stderr] 
Nov 30 19:55:51.792 INFO [stderr] warning: unused import: `BuildError`
Nov 30 19:55:51.792 INFO [stderr]  --> src/compiler.rs:9:5
Nov 30 19:55:51.792 INFO [stderr]   |
Nov 30 19:55:51.792 INFO [stderr] 9 |     BuildError,
Nov 30 19:55:51.792 INFO [stderr]   |     ^^^^^^^^^^
Nov 30 19:55:51.792 INFO [stderr]   |
Nov 30 19:55:51.792 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 19:55:51.792 INFO [stderr] 
Nov 30 19:55:51.912 INFO [stderr] warning: unused import: `Write`
Nov 30 19:55:51.912 INFO [stderr]   --> src/lib.rs:14:22
Nov 30 19:55:51.912 INFO [stderr]    |
Nov 30 19:55:51.912 INFO [stderr] 14 | use std::io::{ self, Write };
Nov 30 19:55:51.912 INFO [stderr]    |                      ^^^^^
Nov 30 19:55:51.912 INFO [stderr] 
Nov 30 19:55:51.912 INFO [stderr] warning: unused import: `Read`
Nov 30 19:55:51.912 INFO [stderr]  --> src/interpreter.rs:4:16
Nov 30 19:55:51.912 INFO [stderr]   |
Nov 30 19:55:51.912 INFO [stderr] 4 | use std::io::{ Read, Write };
Nov 30 19:55:51.912 INFO [stderr]   |                ^^^^
Nov 30 19:55:51.912 INFO [stderr] 
Nov 30 19:55:51.936 INFO [stderr] warning: unused variable: `id`
Nov 30 19:55:51.936 INFO [stderr]   --> src/interpreter.rs:64:27
Nov 30 19:55:51.936 INFO [stderr]    |
Nov 30 19:55:51.936 INFO [stderr] 64 |     fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function<V> + 'a)>)
Nov 30 19:55:51.936 INFO [stderr]    |                           ^^ help: consider using `_id` instead
Nov 30 19:55:51.936 INFO [stderr]    |
Nov 30 19:55:51.936 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 19:55:51.936 INFO [stderr] 
Nov 30 19:55:51.936 INFO [stderr] warning: unused variable: `env`
Nov 30 19:55:51.936 INFO [stderr]   --> src/interpreter.rs:64:37
Nov 30 19:55:51.936 INFO [stderr]    |
Nov 30 19:55:51.936 INFO [stderr] 64 |     fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function<V> + 'a)>)
Nov 30 19:55:51.936 INFO [stderr]    |                                     ^^^ help: consider using `_env` instead
Nov 30 19:55:51.936 INFO [stderr] 
Nov 30 19:55:51.936 INFO [stderr] warning: unused variable: `calls`
Nov 30 19:55:51.936 INFO [stderr]   --> src/interpreter.rs:64:55
Nov 30 19:55:51.936 INFO [stderr]    |
Nov 30 19:55:51.936 INFO [stderr] 64 |     fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function<V> + 'a)>)
Nov 30 19:55:51.936 INFO [stderr]    |                                                       ^^^^^ help: consider using `_calls` instead
Nov 30 19:55:51.936 INFO [stderr] 
Nov 30 19:55:51.936 INFO [stderr] warning: unused variable: `name`
Nov 30 19:55:51.936 INFO [stderr]    --> src/interpreter.rs:136:49
Nov 30 19:55:51.936 INFO [stderr]     |
Nov 30 19:55:51.936 INFO [stderr] 136 |                     Instruction::Property { mut name } => {
Nov 30 19:55:51.936 INFO [stderr]     |                                                 ^^^^ help: try ignoring the field: `name: _`
Nov 30 19:55:51.936 INFO [stderr] 
Nov 30 19:55:51.936 INFO [stderr] warning: unused variable: `name`
Nov 30 19:55:51.936 INFO [stderr]    --> src/interpreter.rs:267:30
Nov 30 19:55:51.936 INFO [stderr]     |
Nov 30 19:55:51.936 INFO [stderr] 267 |             Mem::Parameter { name } => {
Nov 30 19:55:51.936 INFO [stderr]     |                              ^^^^ help: try ignoring the field: `name: _`
Nov 30 19:55:51.936 INFO [stderr] 
Nov 30 19:55:51.936 INFO [stderr] warning: unused variable: `id`
Nov 30 19:55:51.936 INFO [stderr]   --> src/compiler.rs:36:27
Nov 30 19:55:51.936 INFO [stderr]    |
Nov 30 19:55:51.936 INFO [stderr] 36 |     fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function<V> + 'a)>)
Nov 30 19:55:51.936 INFO [stderr]    |                           ^^ help: consider using `_id` instead
Nov 30 19:55:51.936 INFO [stderr] 
Nov 30 19:55:51.936 INFO [stderr] warning: unused variable: `env`
Nov 30 19:55:51.936 INFO [stderr]   --> src/compiler.rs:36:37
Nov 30 19:55:51.936 INFO [stderr]    |
Nov 30 19:55:51.936 INFO [stderr] 36 |     fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function<V> + 'a)>)
Nov 30 19:55:51.936 INFO [stderr]    |                                     ^^^ help: consider using `_env` instead
Nov 30 19:55:51.937 INFO [stderr] 
Nov 30 19:55:51.937 INFO [stderr] warning: unused variable: `calls`
Nov 30 19:55:51.937 INFO [stderr]   --> src/compiler.rs:36:55
Nov 30 19:55:51.937 INFO [stderr]    |
Nov 30 19:55:51.937 INFO [stderr] 36 |     fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function<V> + 'a)>)
Nov 30 19:55:51.937 INFO [stderr]    |                                                       ^^^^^ help: consider using `_calls` instead
Nov 30 19:55:51.937 INFO [stderr] 
Nov 30 19:55:51.937 INFO [stderr] warning: unused variable: `buf`
Nov 30 19:55:51.937 INFO [stderr]   --> src/compiler.rs:68:24
Nov 30 19:55:51.937 INFO [stderr]    |
Nov 30 19:55:51.937 INFO [stderr] 68 |     fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
Nov 30 19:55:51.937 INFO [stderr]    |                        ^^^ help: consider using `_buf` instead
Nov 30 19:55:51.937 INFO [stderr] 
Nov 30 19:55:51.937 INFO [stderr] warning: unused variable: `input`
Nov 30 19:55:51.937 INFO [stderr]   --> src/compiler.rs:80:29
Nov 30 19:55:51.937 INFO [stderr]    |
Nov 30 19:55:51.937 INFO [stderr] 80 |         pub fn output<I, O>(input: &mut I, output: &mut O)
Nov 30 19:55:51.937 INFO [stderr]    |                             ^^^^^ help: consider using `_input` instead
Nov 30 19:55:51.937 INFO [stderr] 
Nov 30 19:55:51.937 INFO [stderr] warning: unused variable: `output`
Nov 30 19:55:51.937 INFO [stderr]   --> src/compiler.rs:80:44
Nov 30 19:55:51.937 INFO [stderr]    |
Nov 30 19:55:51.937 INFO [stderr] 80 |         pub fn output<I, O>(input: &mut I, output: &mut O)
Nov 30 19:55:51.937 INFO [stderr]    |                                            ^^^^^^ help: consider using `_output` instead
Nov 30 19:55:51.937 INFO [stderr] 
Nov 30 19:55:52.012 INFO [stderr] warning: struct is never constructed: `template_ooo`
Nov 30 19:55:52.012 INFO [stderr]   --> src/compiler.rs:77:5
Nov 30 19:55:52.012 INFO [stderr]    |
Nov 30 19:55:52.012 INFO [stderr] 77 |     pub struct template_ooo;
Nov 30 19:55:52.012 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:55:52.012 INFO [stderr]    |
Nov 30 19:55:52.012 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 30 19:55:52.012 INFO [stderr] 
Nov 30 19:55:52.012 INFO [stderr] warning: method is never used: `output`
Nov 30 19:55:52.012 INFO [stderr]   --> src/compiler.rs:80:9
Nov 30 19:55:52.012 INFO [stderr]    |
Nov 30 19:55:52.012 INFO [stderr] 80 | /         pub fn output<I, O>(input: &mut I, output: &mut O)
Nov 30 19:55:52.012 INFO [stderr] 81 | |             -> Result<usize, io::Error>
Nov 30 19:55:52.012 INFO [stderr] 82 | |         where
Nov 30 19:55:52.012 INFO [stderr] 83 | |             I: io::Read + io::Seek, O: io::Write
Nov 30 19:55:52.012 INFO [stderr] ...  |
Nov 30 19:55:52.012 INFO [stderr] 86 | |             Ok(0)
Nov 30 19:55:52.012 INFO [stderr] 87 | |         }
Nov 30 19:55:52.012 INFO [stderr]    | |_________^
Nov 30 19:55:52.012 INFO [stderr] 
Nov 30 19:55:52.188 INFO [stderr] warning: unused import: `Write`
Nov 30 19:55:52.188 INFO [stderr]   --> src/lib.rs:14:22
Nov 30 19:55:52.188 INFO [stderr]    |
Nov 30 19:55:52.188 INFO [stderr] 14 | use std::io::{ self, Write };
Nov 30 19:55:52.188 INFO [stderr]    |                      ^^^^^
Nov 30 19:55:52.192 INFO [stderr] 
Nov 30 19:55:52.192 INFO [stderr] warning: unused import: `Read`
Nov 30 19:55:52.192 INFO [stderr]  --> src/interpreter.rs:4:16
Nov 30 19:55:52.192 INFO [stderr]   |
Nov 30 19:55:52.192 INFO [stderr] 4 | use std::io::{ Read, Write };
Nov 30 19:55:52.192 INFO [stderr]   |                ^^^^
Nov 30 19:55:52.192 INFO [stderr] 
Nov 30 19:55:52.260 INFO [stderr] warning: unused variable: `id`
Nov 30 19:55:52.260 INFO [stderr]   --> src/interpreter.rs:64:27
Nov 30 19:55:52.260 INFO [stderr]    |
Nov 30 19:55:52.260 INFO [stderr] 64 |     fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function<V> + 'a)>)
Nov 30 19:55:52.260 INFO [stderr]    |                           ^^ help: consider using `_id` instead
Nov 30 19:55:52.276 INFO [stderr]    |
Nov 30 19:55:52.276 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 19:55:52.276 INFO [stderr] 
Nov 30 19:55:52.276 INFO [stderr] warning: unused variable: `env`
Nov 30 19:55:52.276 INFO [stderr]   --> src/interpreter.rs:64:37
Nov 30 19:55:52.276 INFO [stderr]    |
Nov 30 19:55:52.276 INFO [stderr] 64 |     fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function<V> + 'a)>)
Nov 30 19:55:52.276 INFO [stderr]    |                                     ^^^ help: consider using `_env` instead
Nov 30 19:55:52.277 INFO [stderr] 
Nov 30 19:55:52.277 INFO [stderr] warning: unused variable: `calls`
Nov 30 19:55:52.277 INFO [stderr]   --> src/interpreter.rs:64:55
Nov 30 19:55:52.277 INFO [stderr]    |
Nov 30 19:55:52.277 INFO [stderr] 64 |     fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function<V> + 'a)>)
Nov 30 19:55:52.277 INFO [stderr]    |                                                       ^^^^^ help: consider using `_calls` instead
Nov 30 19:55:52.277 INFO [stderr] 
Nov 30 19:55:52.277 INFO [stderr] warning: unused variable: `name`
Nov 30 19:55:52.277 INFO [stderr]    --> src/interpreter.rs:136:49
Nov 30 19:55:52.277 INFO [stderr]     |
Nov 30 19:55:52.277 INFO [stderr] 136 |                     Instruction::Property { mut name } => {
Nov 30 19:55:52.277 INFO [stderr]     |                                                 ^^^^ help: try ignoring the field: `name: _`
Nov 30 19:55:52.277 INFO [stderr] 
Nov 30 19:55:52.277 INFO [stderr] warning: unused variable: `name`
Nov 30 19:55:52.277 INFO [stderr]    --> src/interpreter.rs:267:30
Nov 30 19:55:52.277 INFO [stderr]     |
Nov 30 19:55:52.277 INFO [stderr] 267 |             Mem::Parameter { name } => {
Nov 30 19:55:52.277 INFO [stderr]     |                              ^^^^ help: try ignoring the field: `name: _`
Nov 30 19:55:52.277 INFO [stderr] 
Nov 30 19:55:52.277 INFO [stderr] warning: unused variable: `id`
Nov 30 19:55:52.277 INFO [stderr]   --> src/compiler.rs:36:27
Nov 30 19:55:52.277 INFO [stderr]    |
Nov 30 19:55:52.277 INFO [stderr] 36 |     fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function<V> + 'a)>)
Nov 30 19:55:52.277 INFO [stderr]    |                           ^^ help: consider using `_id` instead
Nov 30 19:55:52.277 INFO [stderr] 
Nov 30 19:55:52.277 INFO [stderr] warning: unused variable: `env`
Nov 30 19:55:52.277 INFO [stderr]   --> src/compiler.rs:36:37
Nov 30 19:55:52.277 INFO [stderr]    |
Nov 30 19:55:52.277 INFO [stderr] 36 |     fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function<V> + 'a)>)
Nov 30 19:55:52.277 INFO [stderr]    |                                     ^^^ help: consider using `_env` instead
Nov 30 19:55:52.277 INFO [stderr] 
Nov 30 19:55:52.277 INFO [stderr] warning: unused variable: `calls`
Nov 30 19:55:52.277 INFO [stderr]   --> src/compiler.rs:36:55
Nov 30 19:55:52.277 INFO [stderr]    |
Nov 30 19:55:52.277 INFO [stderr] 36 |     fn load(&'a mut self, id: &str, env: Fingerprint, calls: &'a Vec<&'a (Function<V> + 'a)>)
Nov 30 19:55:52.277 INFO [stderr]    |                                                       ^^^^^ help: consider using `_calls` instead
Nov 30 19:55:52.277 INFO [stderr] 
Nov 30 19:55:52.277 INFO [stderr] warning: unused variable: `buf`
Nov 30 19:55:52.277 INFO [stderr]   --> src/compiler.rs:68:24
Nov 30 19:55:52.277 INFO [stderr]    |
Nov 30 19:55:52.277 INFO [stderr] 68 |     fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
Nov 30 19:55:52.277 INFO [stderr]    |                        ^^^ help: consider using `_buf` instead
Nov 30 19:55:52.277 INFO [stderr] 
Nov 30 19:55:52.277 INFO [stderr] warning: unused variable: `input`
Nov 30 19:55:52.277 INFO [stderr]   --> src/compiler.rs:80:29
Nov 30 19:55:52.277 INFO [stderr]    |
Nov 30 19:55:52.277 INFO [stderr] 80 |         pub fn output<I, O>(input: &mut I, output: &mut O)
Nov 30 19:55:52.277 INFO [stderr]    |                             ^^^^^ help: consider using `_input` instead
Nov 30 19:55:52.277 INFO [stderr] 
Nov 30 19:55:52.277 INFO [stderr] warning: unused variable: `output`
Nov 30 19:55:52.277 INFO [stderr]   --> src/compiler.rs:80:44
Nov 30 19:55:52.277 INFO [stderr]    |
Nov 30 19:55:52.277 INFO [stderr] 80 |         pub fn output<I, O>(input: &mut I, output: &mut O)
Nov 30 19:55:52.277 INFO [stderr]    |                                            ^^^^^^ help: consider using `_output` instead
Nov 30 19:55:52.277 INFO [stderr] 
Nov 30 19:55:52.560 INFO [stderr] warning: struct is never constructed: `template_ooo`
Nov 30 19:55:52.560 INFO [stderr]   --> src/compiler.rs:77:5
Nov 30 19:55:52.560 INFO [stderr]    |
Nov 30 19:55:52.560 INFO [stderr] 77 |     pub struct template_ooo;
Nov 30 19:55:52.560 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:55:52.568 INFO [stderr]    |
Nov 30 19:55:52.568 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 30 19:55:52.568 INFO [stderr] 
Nov 30 19:55:52.569 INFO [stderr] warning: method is never used: `output`
Nov 30 19:55:52.569 INFO [stderr]   --> src/compiler.rs:80:9
Nov 30 19:55:52.569 INFO [stderr]    |
Nov 30 19:55:52.569 INFO [stderr] 80 | /         pub fn output<I, O>(input: &mut I, output: &mut O)
Nov 30 19:55:52.569 INFO [stderr] 81 | |             -> Result<usize, io::Error>
Nov 30 19:55:52.569 INFO [stderr] 82 | |         where
Nov 30 19:55:52.569 INFO [stderr] 83 | |             I: io::Read + io::Seek, O: io::Write
Nov 30 19:55:52.569 INFO [stderr] ...  |
Nov 30 19:55:52.569 INFO [stderr] 86 | |             Ok(0)
Nov 30 19:55:52.569 INFO [stderr] 87 | |         }
Nov 30 19:55:52.569 INFO [stderr]    | |_________^
Nov 30 19:55:52.569 INFO [stderr] 
Nov 30 19:55:53.616 INFO [stderr] warning: unused import: `Write`
Nov 30 19:55:53.616 INFO [stderr]  --> examples/hello_world.rs:4:22
Nov 30 19:55:53.616 INFO [stderr]   |
Nov 30 19:55:53.616 INFO [stderr] 4 | use std::io::{ Read, Write };
Nov 30 19:55:53.616 INFO [stderr]   |                      ^^^^^
Nov 30 19:55:53.616 INFO [stderr]   |
Nov 30 19:55:53.616 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 19:55:53.616 INFO [stderr] 
Nov 30 19:55:54.163 INFO [stderr] warning: unused `#[macro_use]` import
Nov 30 19:55:54.163 INFO [stderr]  --> tests/compiler.rs:2:1
Nov 30 19:55:54.163 INFO [stderr]   |
Nov 30 19:55:54.163 INFO [stderr] 2 | #[macro_use] extern crate log;
Nov 30 19:55:54.163 INFO [stderr]   | ^^^^^^^^^^^^
Nov 30 19:55:54.163 INFO [stderr]   |
Nov 30 19:55:54.163 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 19:55:54.163 INFO [stderr] 
Nov 30 19:55:54.250 INFO [stderr] warning: function is never used: `output_param`
Nov 30 19:55:54.250 INFO [stderr]   --> tests/compiler.rs:16:1
Nov 30 19:55:54.250 INFO [stderr]    |
Nov 30 19:55:54.250 INFO [stderr] 16 | fn output_param() {
Nov 30 19:55:54.250 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Nov 30 19:55:54.250 INFO [stderr]    |
Nov 30 19:55:54.250 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 30 19:55:54.250 INFO [stderr] 
Nov 30 19:55:54.271 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.36s
Nov 30 19:55:54.271 INFO [stderr] su: No module specific data is present
Nov 30 19:55:54.646 INFO running `"docker" "inspect" "2c75803d2082a0207a3411f4b98af10da116c27fdd4f1b910ed45625122b3e14"`
Nov 30 19:55:54.778 INFO running `"docker" "rm" "-f" "2c75803d2082a0207a3411f4b98af10da116c27fdd4f1b910ed45625122b3e14"`
Nov 30 19:55:54.974 INFO [stdout] 2c75803d2082a0207a3411f4b98af10da116c27fdd4f1b910ed45625122b3e14