Oct 31 20:18:16.708 INFO testing stallmanifold/ring-buffer against beta-2018-10-30 for beta-1.31-1
Oct 31 20:18:16.708 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-1/worker-4/beta-2018-10-30:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/beta-1.31-1/beta-2018-10-30:/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 +beta-2018-10-30 build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 31 20:18:17.301 INFO blam! 757c32ca0e92354714023da3b174fa1fbc68c8357495d70f21ef836ca76fde5f
Oct 31 20:18:17.303 INFO running `"docker" "start" "-a" "757c32ca0e92354714023da3b174fa1fbc68c8357495d70f21ef836ca76fde5f"`
Oct 31 20:18:18.611 INFO kablam! usermod: no changes
Oct 31 20:18:18.643 INFO kablam!    Compiling ring-buffer v0.1.0 (/source)
Oct 31 20:18:18.995 INFO kablam! warning: unused variable: `i`
Oct 31 20:18:18.995 INFO kablam!   --> src/ring_buffer.rs:24:13
Oct 31 20:18:18.995 INFO kablam!    |
Oct 31 20:18:18.995 INFO kablam! 24 |         for i in 0..buffer.capacity() {
Oct 31 20:18:18.996 INFO kablam!    |             ^ help: consider using `_i` instead
Oct 31 20:18:18.996 INFO kablam!    |
Oct 31 20:18:18.996 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 31 20:18:18.996 INFO kablam! 
Oct 31 20:18:18.996 INFO kablam! warning: unused variable: `but`
Oct 31 20:18:18.996 INFO kablam!    --> src/ring_buffer.rs:132:24
Oct 31 20:18:18.996 INFO kablam!     |
Oct 31 20:18:18.996 INFO kablam! 132 |     fn read(&mut self, but: &mut [u8]) -> io::Result<usize> {
Oct 31 20:18:18.996 INFO kablam!     |                        ^^^ help: consider using `_but` instead
Oct 31 20:18:18.996 INFO kablam! 
Oct 31 20:18:18.996 INFO kablam! warning: unused variable: `buf`
Oct 31 20:18:18.996 INFO kablam!    --> src/ring_buffer.rs:140:25
Oct 31 20:18:18.996 INFO kablam!     |
Oct 31 20:18:18.996 INFO kablam! 140 |     fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
Oct 31 20:18:18.996 INFO kablam!     |                         ^^^ help: consider using `_buf` instead
Oct 31 20:18:18.996 INFO kablam! 
Oct 31 20:18:18.996 INFO kablam! warning: field is never used: `buffer`
Oct 31 20:18:18.996 INFO kablam!   --> src/ring_buffer.rs:14:5
Oct 31 20:18:18.996 INFO kablam!    |
Oct 31 20:18:18.996 INFO kablam! 14 |     buffer: Box<Vec<u8>>,
Oct 31 20:18:18.996 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^
Oct 31 20:18:18.996 INFO kablam!    |
Oct 31 20:18:18.996 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 31 20:18:18.996 INFO kablam! 
Oct 31 20:18:18.996 INFO kablam! warning: field is never used: `capacity`
Oct 31 20:18:18.996 INFO kablam!   --> src/ring_buffer.rs:15:5
Oct 31 20:18:18.996 INFO kablam!    |
Oct 31 20:18:18.996 INFO kablam! 15 |     capacity: usize,
Oct 31 20:18:18.996 INFO kablam!    |     ^^^^^^^^^^^^^^^
Oct 31 20:18:18.996 INFO kablam! 
Oct 31 20:18:18.996 INFO kablam! warning: field is never used: `start`
Oct 31 20:18:18.996 INFO kablam!   --> src/ring_buffer.rs:16:5
Oct 31 20:18:18.996 INFO kablam!    |
Oct 31 20:18:18.996 INFO kablam! 16 |     start:  usize,
Oct 31 20:18:18.996 INFO kablam!    |     ^^^^^^^^^^^^^
Oct 31 20:18:18.996 INFO kablam! 
Oct 31 20:18:18.996 INFO kablam! warning: field is never used: `end`
Oct 31 20:18:18.996 INFO kablam!   --> src/ring_buffer.rs:17:5
Oct 31 20:18:18.996 INFO kablam!    |
Oct 31 20:18:18.996 INFO kablam! 17 |     end:    usize,    
Oct 31 20:18:18.996 INFO kablam!    |     ^^^^^^^^^^^^^
Oct 31 20:18:18.996 INFO kablam! 
Oct 31 20:18:18.996 INFO kablam! warning: method is never used: `new`
Oct 31 20:18:18.996 INFO kablam!   --> src/ring_buffer.rs:21:5
Oct 31 20:18:18.996 INFO kablam!    |
Oct 31 20:18:18.996 INFO kablam! 21 |     fn new(capacity: usize) -> RingBuffer {
Oct 31 20:18:18.996 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:18:18.996 INFO kablam! 
Oct 31 20:18:18.996 INFO kablam! warning: method is never used: `read_buf_amount`
Oct 31 20:18:18.996 INFO kablam!   --> src/ring_buffer.rs:36:5
Oct 31 20:18:18.996 INFO kablam!    |
Oct 31 20:18:18.996 INFO kablam! 36 |     fn read_buf_amount(&mut self, target: &mut [u8], amount: usize) -> Result<usize, RingBufferError> {
Oct 31 20:18:18.996 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:18:18.997 INFO kablam! 
Oct 31 20:18:18.997 INFO kablam! warning: method is never used: `write_buf_amount`
Oct 31 20:18:18.997 INFO kablam!   --> src/ring_buffer.rs:57:5
Oct 31 20:18:18.997 INFO kablam!    |
Oct 31 20:18:18.997 INFO kablam! 57 |     fn write_buf_amount(&mut self, data: &[u8], amount: usize) -> Result<usize, RingBufferError> {
Oct 31 20:18:18.997 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:18:18.997 INFO kablam! 
Oct 31 20:18:18.997 INFO kablam! warning: method is never used: `is_empty`
Oct 31 20:18:18.997 INFO kablam!   --> src/ring_buffer.rs:80:5
Oct 31 20:18:18.997 INFO kablam!    |
Oct 31 20:18:18.997 INFO kablam! 80 |     fn is_empty(&self) -> bool {
Oct 31 20:18:18.997 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:18:18.997 INFO kablam! 
Oct 31 20:18:18.997 INFO kablam! warning: method is never used: `is_full`
Oct 31 20:18:18.997 INFO kablam!   --> src/ring_buffer.rs:85:5
Oct 31 20:18:18.997 INFO kablam!    |
Oct 31 20:18:18.997 INFO kablam! 85 |     fn is_full(&self) -> bool {
Oct 31 20:18:18.997 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:18:18.997 INFO kablam! 
Oct 31 20:18:18.997 INFO kablam! warning: method is never used: `available_data`
Oct 31 20:18:18.997 INFO kablam!   --> src/ring_buffer.rs:90:5
Oct 31 20:18:18.997 INFO kablam!    |
Oct 31 20:18:18.997 INFO kablam! 90 |     fn available_data(&self) -> usize {
Oct 31 20:18:18.997 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:18:18.997 INFO kablam! 
Oct 31 20:18:18.997 INFO kablam! warning: method is never used: `available_space`
Oct 31 20:18:18.997 INFO kablam!   --> src/ring_buffer.rs:95:5
Oct 31 20:18:18.997 INFO kablam!    |
Oct 31 20:18:18.997 INFO kablam! 95 |     fn available_space(&self) -> usize {
Oct 31 20:18:18.997 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:18:18.997 INFO kablam! 
Oct 31 20:18:18.997 INFO kablam! warning: method is never used: `gets`
Oct 31 20:18:18.997 INFO kablam!   --> src/ring_buffer.rs:99:5
Oct 31 20:18:18.997 INFO kablam!    |
Oct 31 20:18:18.997 INFO kablam! 99 |     fn gets(&mut self, amount: usize) -> Result<Box<[u8]>, RingBufferError> {
Oct 31 20:18:18.997 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:18:18.997 INFO kablam! 
Oct 31 20:18:18.997 INFO kablam! warning: method is never used: `puts`
Oct 31 20:18:18.997 INFO kablam!    --> src/ring_buffer.rs:116:5
Oct 31 20:18:18.997 INFO kablam!     |
Oct 31 20:18:18.997 INFO kablam! 116 |     fn puts(&mut self, data: &[u8]) -> Result<usize, RingBufferError> {
Oct 31 20:18:18.997 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:18:18.997 INFO kablam! 
Oct 31 20:18:18.997 INFO kablam! warning: method is never used: `commit_read`
Oct 31 20:18:18.997 INFO kablam!    --> src/ring_buffer.rs:121:5
Oct 31 20:18:18.997 INFO kablam!     |
Oct 31 20:18:18.997 INFO kablam! 121 |     fn commit_read(&mut self, amount: usize) {
Oct 31 20:18:18.997 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:18:18.997 INFO kablam! 
Oct 31 20:18:18.997 INFO kablam! warning: method is never used: `commit_write`
Oct 31 20:18:18.997 INFO kablam!    --> src/ring_buffer.rs:126:5
Oct 31 20:18:18.997 INFO kablam!     |
Oct 31 20:18:18.997 INFO kablam! 126 |     fn commit_write(&mut self, amount: usize) {
Oct 31 20:18:18.997 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:18:18.997 INFO kablam! 
Oct 31 20:18:19.039 INFO kablam! warning: comparison is useless due to type limits
Oct 31 20:18:19.039 INFO kablam!    --> src/ring_buffer.rs:111:17
Oct 31 20:18:19.039 INFO kablam!     |
Oct 31 20:18:19.039 INFO kablam! 111 |         assert!(self.available_data() >= 0, "Error in read commit.");
Oct 31 20:18:19.039 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:18:19.039 INFO kablam!     |
Oct 31 20:18:19.039 INFO kablam!     = note: #[warn(unused_comparisons)] on by default
Oct 31 20:18:19.039 INFO kablam! 
Oct 31 20:18:19.143 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
Oct 31 20:18:19.147 INFO kablam! su: No module specific data is present
Oct 31 20:18:20.188 INFO running `"docker" "rm" "-f" "757c32ca0e92354714023da3b174fa1fbc68c8357495d70f21ef836ca76fde5f"`
Oct 31 20:18:20.472 INFO blam! 757c32ca0e92354714023da3b174fa1fbc68c8357495d70f21ef836ca76fde5f
Oct 31 20:18:20.483 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-1/worker-4/beta-2018-10-30:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/beta-1.31-1/beta-2018-10-30:/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 +beta-2018-10-30 test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 31 20:18:20.860 INFO blam! e1a1c0837438d7bb433556d3e549fbbd8cf3aca41de7aca3175a42e6181b4f40
Oct 31 20:18:20.871 INFO running `"docker" "start" "-a" "e1a1c0837438d7bb433556d3e549fbbd8cf3aca41de7aca3175a42e6181b4f40"`
Oct 31 20:18:21.784 INFO kablam! usermod: no changes
Oct 31 20:18:21.859 INFO kablam!    Compiling ring-buffer v0.1.0 (/source)
Oct 31 20:18:22.091 INFO kablam! warning: unused import: `ring_buffer::RingBuffer`
Oct 31 20:18:22.091 INFO kablam!  --> src/tests.rs:1:5
Oct 31 20:18:22.091 INFO kablam!   |
Oct 31 20:18:22.091 INFO kablam! 1 | use ring_buffer::RingBuffer;
Oct 31 20:18:22.091 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:18:22.091 INFO kablam!   |
Oct 31 20:18:22.091 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 31 20:18:22.091 INFO kablam! 
Oct 31 20:18:22.091 INFO kablam! warning: unused imports: `Read`, `Write`
Oct 31 20:18:22.091 INFO kablam!  --> src/tests.rs:2:15
Oct 31 20:18:22.091 INFO kablam!   |
Oct 31 20:18:22.091 INFO kablam! 2 | use std::io::{Read, Write};
Oct 31 20:18:22.091 INFO kablam!   |               ^^^^  ^^^^^
Oct 31 20:18:22.091 INFO kablam! 
Oct 31 20:18:22.147 INFO kablam! warning: unused variable: `i`
Oct 31 20:18:22.147 INFO kablam!   --> src/ring_buffer.rs:24:13
Oct 31 20:18:22.147 INFO kablam!    |
Oct 31 20:18:22.147 INFO kablam! 24 |         for i in 0..buffer.capacity() {
Oct 31 20:18:22.147 INFO kablam!    |             ^ help: consider using `_i` instead
Oct 31 20:18:22.147 INFO kablam!    |
Oct 31 20:18:22.147 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 31 20:18:22.147 INFO kablam! 
Oct 31 20:18:22.147 INFO kablam! warning: unused variable: `but`
Oct 31 20:18:22.147 INFO kablam!    --> src/ring_buffer.rs:132:24
Oct 31 20:18:22.147 INFO kablam!     |
Oct 31 20:18:22.147 INFO kablam! 132 |     fn read(&mut self, but: &mut [u8]) -> io::Result<usize> {
Oct 31 20:18:22.147 INFO kablam!     |                        ^^^ help: consider using `_but` instead
Oct 31 20:18:22.147 INFO kablam! 
Oct 31 20:18:22.147 INFO kablam! warning: unused variable: `buf`
Oct 31 20:18:22.147 INFO kablam!    --> src/ring_buffer.rs:140:25
Oct 31 20:18:22.147 INFO kablam!     |
Oct 31 20:18:22.147 INFO kablam! 140 |     fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
Oct 31 20:18:22.147 INFO kablam!     |                         ^^^ help: consider using `_buf` instead
Oct 31 20:18:22.147 INFO kablam! 
Oct 31 20:18:22.159 INFO kablam! warning: field is never used: `buffer`
Oct 31 20:18:22.159 INFO kablam!   --> src/ring_buffer.rs:14:5
Oct 31 20:18:22.159 INFO kablam!    |
Oct 31 20:18:22.159 INFO kablam! 14 |     buffer: Box<Vec<u8>>,
Oct 31 20:18:22.159 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^
Oct 31 20:18:22.159 INFO kablam!    |
Oct 31 20:18:22.159 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 31 20:18:22.159 INFO kablam! 
Oct 31 20:18:22.159 INFO kablam! warning: field is never used: `capacity`
Oct 31 20:18:22.159 INFO kablam!   --> src/ring_buffer.rs:15:5
Oct 31 20:18:22.159 INFO kablam!    |
Oct 31 20:18:22.159 INFO kablam! 15 |     capacity: usize,
Oct 31 20:18:22.159 INFO kablam!    |     ^^^^^^^^^^^^^^^
Oct 31 20:18:22.159 INFO kablam! 
Oct 31 20:18:22.159 INFO kablam! warning: field is never used: `start`
Oct 31 20:18:22.159 INFO kablam!   --> src/ring_buffer.rs:16:5
Oct 31 20:18:22.159 INFO kablam!    |
Oct 31 20:18:22.159 INFO kablam! 16 |     start:  usize,
Oct 31 20:18:22.159 INFO kablam!    |     ^^^^^^^^^^^^^
Oct 31 20:18:22.159 INFO kablam! 
Oct 31 20:18:22.159 INFO kablam! warning: field is never used: `end`
Oct 31 20:18:22.159 INFO kablam!   --> src/ring_buffer.rs:17:5
Oct 31 20:18:22.159 INFO kablam!    |
Oct 31 20:18:22.159 INFO kablam! 17 |     end:    usize,    
Oct 31 20:18:22.159 INFO kablam!    |     ^^^^^^^^^^^^^
Oct 31 20:18:22.159 INFO kablam! 
Oct 31 20:18:22.159 INFO kablam! warning: method is never used: `new`
Oct 31 20:18:22.159 INFO kablam!   --> src/ring_buffer.rs:21:5
Oct 31 20:18:22.159 INFO kablam!    |
Oct 31 20:18:22.159 INFO kablam! 21 |     fn new(capacity: usize) -> RingBuffer {
Oct 31 20:18:22.159 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:18:22.159 INFO kablam! 
Oct 31 20:18:22.159 INFO kablam! warning: method is never used: `read_buf_amount`
Oct 31 20:18:22.160 INFO kablam!   --> src/ring_buffer.rs:36:5
Oct 31 20:18:22.160 INFO kablam!    |
Oct 31 20:18:22.160 INFO kablam! 36 |     fn read_buf_amount(&mut self, target: &mut [u8], amount: usize) -> Result<usize, RingBufferError> {
Oct 31 20:18:22.160 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:18:22.160 INFO kablam! 
Oct 31 20:18:22.160 INFO kablam! warning: method is never used: `write_buf_amount`
Oct 31 20:18:22.160 INFO kablam!   --> src/ring_buffer.rs:57:5
Oct 31 20:18:22.160 INFO kablam!    |
Oct 31 20:18:22.160 INFO kablam! 57 |     fn write_buf_amount(&mut self, data: &[u8], amount: usize) -> Result<usize, RingBufferError> {
Oct 31 20:18:22.160 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:18:22.160 INFO kablam! 
Oct 31 20:18:22.160 INFO kablam! warning: method is never used: `is_empty`
Oct 31 20:18:22.160 INFO kablam!   --> src/ring_buffer.rs:80:5
Oct 31 20:18:22.160 INFO kablam!    |
Oct 31 20:18:22.160 INFO kablam! 80 |     fn is_empty(&self) -> bool {
Oct 31 20:18:22.160 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:18:22.160 INFO kablam! 
Oct 31 20:18:22.160 INFO kablam! warning: method is never used: `is_full`
Oct 31 20:18:22.160 INFO kablam!   --> src/ring_buffer.rs:85:5
Oct 31 20:18:22.160 INFO kablam!    |
Oct 31 20:18:22.160 INFO kablam! 85 |     fn is_full(&self) -> bool {
Oct 31 20:18:22.160 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:18:22.160 INFO kablam! 
Oct 31 20:18:22.160 INFO kablam! warning: method is never used: `available_data`
Oct 31 20:18:22.160 INFO kablam!   --> src/ring_buffer.rs:90:5
Oct 31 20:18:22.160 INFO kablam!    |
Oct 31 20:18:22.160 INFO kablam! 90 |     fn available_data(&self) -> usize {
Oct 31 20:18:22.160 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:18:22.160 INFO kablam! 
Oct 31 20:18:22.160 INFO kablam! warning: method is never used: `available_space`
Oct 31 20:18:22.160 INFO kablam!   --> src/ring_buffer.rs:95:5
Oct 31 20:18:22.160 INFO kablam!    |
Oct 31 20:18:22.160 INFO kablam! 95 |     fn available_space(&self) -> usize {
Oct 31 20:18:22.160 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:18:22.160 INFO kablam! 
Oct 31 20:18:22.160 INFO kablam! warning: method is never used: `gets`
Oct 31 20:18:22.160 INFO kablam!   --> src/ring_buffer.rs:99:5
Oct 31 20:18:22.160 INFO kablam!    |
Oct 31 20:18:22.160 INFO kablam! 99 |     fn gets(&mut self, amount: usize) -> Result<Box<[u8]>, RingBufferError> {
Oct 31 20:18:22.160 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:18:22.160 INFO kablam! 
Oct 31 20:18:22.160 INFO kablam! warning: method is never used: `puts`
Oct 31 20:18:22.160 INFO kablam!    --> src/ring_buffer.rs:116:5
Oct 31 20:18:22.160 INFO kablam!     |
Oct 31 20:18:22.160 INFO kablam! 116 |     fn puts(&mut self, data: &[u8]) -> Result<usize, RingBufferError> {
Oct 31 20:18:22.160 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:18:22.160 INFO kablam! 
Oct 31 20:18:22.160 INFO kablam! warning: method is never used: `commit_read`
Oct 31 20:18:22.160 INFO kablam!    --> src/ring_buffer.rs:121:5
Oct 31 20:18:22.160 INFO kablam!     |
Oct 31 20:18:22.160 INFO kablam! 121 |     fn commit_read(&mut self, amount: usize) {
Oct 31 20:18:22.160 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:18:22.160 INFO kablam! 
Oct 31 20:18:22.160 INFO kablam! warning: method is never used: `commit_write`
Oct 31 20:18:22.160 INFO kablam!    --> src/ring_buffer.rs:126:5
Oct 31 20:18:22.160 INFO kablam!     |
Oct 31 20:18:22.160 INFO kablam! 126 |     fn commit_write(&mut self, amount: usize) {
Oct 31 20:18:22.160 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:18:22.160 INFO kablam! 
Oct 31 20:18:22.179 INFO kablam! warning: comparison is useless due to type limits
Oct 31 20:18:22.179 INFO kablam!    --> src/ring_buffer.rs:111:17
Oct 31 20:18:22.179 INFO kablam!     |
Oct 31 20:18:22.179 INFO kablam! 111 |         assert!(self.available_data() >= 0, "Error in read commit.");
Oct 31 20:18:22.179 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:18:22.179 INFO kablam!     |
Oct 31 20:18:22.179 INFO kablam!     = note: #[warn(unused_comparisons)] on by default
Oct 31 20:18:22.179 INFO kablam! 
Oct 31 20:18:22.615 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
Oct 31 20:18:22.617 INFO kablam! su: No module specific data is present
Oct 31 20:18:23.364 INFO running `"docker" "rm" "-f" "e1a1c0837438d7bb433556d3e549fbbd8cf3aca41de7aca3175a42e6181b4f40"`
Oct 31 20:18:23.627 INFO blam! e1a1c0837438d7bb433556d3e549fbbd8cf3aca41de7aca3175a42e6181b4f40
Oct 31 20:18:23.631 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-1/worker-4/beta-2018-10-30:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/beta-1.31-1/beta-2018-10-30:/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 +beta-2018-10-30 test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 31 20:18:24.032 INFO blam! 35e3050109f839769710a745295183e5adf3a37b696aa94dcb3255a4048fab82
Oct 31 20:18:24.039 INFO running `"docker" "start" "-a" "35e3050109f839769710a745295183e5adf3a37b696aa94dcb3255a4048fab82"`
Oct 31 20:18:25.255 INFO kablam! usermod: no changes
Oct 31 20:18:25.299 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Oct 31 20:18:25.299 INFO kablam!      Running /target/debug/deps/ring_buffer-b0fec0e043223792
Oct 31 20:18:25.315 INFO kablam!    Doc-tests ring-buffer
Oct 31 20:18:25.315 INFO blam! 
Oct 31 20:18:25.315 INFO blam! running 0 tests
Oct 31 20:18:25.315 INFO blam! 
Oct 31 20:18:25.315 INFO blam! test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Oct 31 20:18:25.315 INFO blam! 
Oct 31 20:18:25.675 INFO blam! 
Oct 31 20:18:25.675 INFO kablam! su: No module specific data is present
Oct 31 20:18:25.675 INFO blam! running 0 tests
Oct 31 20:18:25.675 INFO blam! 
Oct 31 20:18:25.675 INFO blam! test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Oct 31 20:18:25.675 INFO blam! 
Oct 31 20:18:26.531 INFO running `"docker" "rm" "-f" "35e3050109f839769710a745295183e5adf3a37b696aa94dcb3255a4048fab82"`
Oct 31 20:18:26.821 INFO blam! 35e3050109f839769710a745295183e5adf3a37b696aa94dcb3255a4048fab82
