Dec 01 01:19:51.281 INFO testing stallmanifold/ring-buffer against 1.30.1 for beta-1.31-5
Dec 01 01:19:51.283 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-6/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/beta-1.31-5/1.30.1:/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 +1.30.1 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"`
Dec 01 01:19:51.757 INFO [stdout] 7d6cc00cb75b085cd7f1d8c35232ac485c746cc5bddd3a1be7b3d023bf4a1c39
Dec 01 01:19:51.764 INFO running `"docker" "start" "-a" "7d6cc00cb75b085cd7f1d8c35232ac485c746cc5bddd3a1be7b3d023bf4a1c39"`
Dec 01 01:19:54.029 INFO [stderr] usermod: no changes
Dec 01 01:19:54.091 INFO [stderr]    Compiling ring-buffer v0.1.0 (/source)
Dec 01 01:19:54.450 INFO [stderr] warning: unused variable: `i`
Dec 01 01:19:54.450 INFO [stderr]   --> src/ring_buffer.rs:24:13
Dec 01 01:19:54.450 INFO [stderr]    |
Dec 01 01:19:54.450 INFO [stderr] 24 |         for i in 0..buffer.capacity() {
Dec 01 01:19:54.450 INFO [stderr]    |             ^ help: consider using `_i` instead
Dec 01 01:19:54.450 INFO [stderr]    |
Dec 01 01:19:54.450 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 01 01:19:54.450 INFO [stderr] 
Dec 01 01:19:54.450 INFO [stderr] warning: unused variable: `but`
Dec 01 01:19:54.450 INFO [stderr]    --> src/ring_buffer.rs:132:24
Dec 01 01:19:54.450 INFO [stderr]     |
Dec 01 01:19:54.450 INFO [stderr] 132 |     fn read(&mut self, but: &mut [u8]) -> io::Result<usize> {
Dec 01 01:19:54.450 INFO [stderr]     |                        ^^^ help: consider using `_but` instead
Dec 01 01:19:54.450 INFO [stderr] 
Dec 01 01:19:54.450 INFO [stderr] warning: unused variable: `buf`
Dec 01 01:19:54.450 INFO [stderr]    --> src/ring_buffer.rs:140:25
Dec 01 01:19:54.450 INFO [stderr]     |
Dec 01 01:19:54.450 INFO [stderr] 140 |     fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
Dec 01 01:19:54.450 INFO [stderr]     |                         ^^^ help: consider using `_buf` instead
Dec 01 01:19:54.450 INFO [stderr] 
Dec 01 01:19:54.470 INFO [stderr] warning: field is never used: `buffer`
Dec 01 01:19:54.470 INFO [stderr]   --> src/ring_buffer.rs:14:5
Dec 01 01:19:54.470 INFO [stderr]    |
Dec 01 01:19:54.470 INFO [stderr] 14 |     buffer: Box<Vec<u8>>,
Dec 01 01:19:54.470 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 01 01:19:54.470 INFO [stderr]    |
Dec 01 01:19:54.470 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 01 01:19:54.470 INFO [stderr] 
Dec 01 01:19:54.470 INFO [stderr] warning: field is never used: `capacity`
Dec 01 01:19:54.470 INFO [stderr]   --> src/ring_buffer.rs:15:5
Dec 01 01:19:54.470 INFO [stderr]    |
Dec 01 01:19:54.470 INFO [stderr] 15 |     capacity: usize,
Dec 01 01:19:54.470 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 01 01:19:54.470 INFO [stderr] 
Dec 01 01:19:54.470 INFO [stderr] warning: field is never used: `start`
Dec 01 01:19:54.470 INFO [stderr]   --> src/ring_buffer.rs:16:5
Dec 01 01:19:54.470 INFO [stderr]    |
Dec 01 01:19:54.470 INFO [stderr] 16 |     start:  usize,
Dec 01 01:19:54.470 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 01 01:19:54.470 INFO [stderr] 
Dec 01 01:19:54.470 INFO [stderr] warning: field is never used: `end`
Dec 01 01:19:54.470 INFO [stderr]   --> src/ring_buffer.rs:17:5
Dec 01 01:19:54.470 INFO [stderr]    |
Dec 01 01:19:54.470 INFO [stderr] 17 |     end:    usize,    
Dec 01 01:19:54.470 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 01 01:19:54.470 INFO [stderr] 
Dec 01 01:19:54.470 INFO [stderr] warning: method is never used: `new`
Dec 01 01:19:54.470 INFO [stderr]   --> src/ring_buffer.rs:21:5
Dec 01 01:19:54.470 INFO [stderr]    |
Dec 01 01:19:54.470 INFO [stderr] 21 |     fn new(capacity: usize) -> RingBuffer {
Dec 01 01:19:54.470 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 01:19:54.470 INFO [stderr] 
Dec 01 01:19:54.470 INFO [stderr] warning: method is never used: `read_buf_amount`
Dec 01 01:19:54.470 INFO [stderr]   --> src/ring_buffer.rs:36:5
Dec 01 01:19:54.470 INFO [stderr]    |
Dec 01 01:19:54.470 INFO [stderr] 36 |     fn read_buf_amount(&mut self, target: &mut [u8], amount: usize) -> Result<usize, RingBufferError> {
Dec 01 01:19:54.470 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 01:19:54.470 INFO [stderr] 
Dec 01 01:19:54.470 INFO [stderr] warning: method is never used: `write_buf_amount`
Dec 01 01:19:54.470 INFO [stderr]   --> src/ring_buffer.rs:57:5
Dec 01 01:19:54.470 INFO [stderr]    |
Dec 01 01:19:54.470 INFO [stderr] 57 |     fn write_buf_amount(&mut self, data: &[u8], amount: usize) -> Result<usize, RingBufferError> {
Dec 01 01:19:54.470 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 01:19:54.470 INFO [stderr] 
Dec 01 01:19:54.470 INFO [stderr] warning: method is never used: `is_empty`
Dec 01 01:19:54.470 INFO [stderr]   --> src/ring_buffer.rs:80:5
Dec 01 01:19:54.470 INFO [stderr]    |
Dec 01 01:19:54.470 INFO [stderr] 80 |     fn is_empty(&self) -> bool {
Dec 01 01:19:54.470 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 01:19:54.470 INFO [stderr] 
Dec 01 01:19:54.470 INFO [stderr] warning: method is never used: `is_full`
Dec 01 01:19:54.470 INFO [stderr]   --> src/ring_buffer.rs:85:5
Dec 01 01:19:54.470 INFO [stderr]    |
Dec 01 01:19:54.470 INFO [stderr] 85 |     fn is_full(&self) -> bool {
Dec 01 01:19:54.470 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 01:19:54.471 INFO [stderr] 
Dec 01 01:19:54.471 INFO [stderr] warning: method is never used: `available_data`
Dec 01 01:19:54.471 INFO [stderr]   --> src/ring_buffer.rs:90:5
Dec 01 01:19:54.471 INFO [stderr]    |
Dec 01 01:19:54.471 INFO [stderr] 90 |     fn available_data(&self) -> usize {
Dec 01 01:19:54.471 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 01:19:54.471 INFO [stderr] 
Dec 01 01:19:54.471 INFO [stderr] warning: method is never used: `available_space`
Dec 01 01:19:54.471 INFO [stderr]   --> src/ring_buffer.rs:95:5
Dec 01 01:19:54.471 INFO [stderr]    |
Dec 01 01:19:54.471 INFO [stderr] 95 |     fn available_space(&self) -> usize {
Dec 01 01:19:54.471 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 01:19:54.471 INFO [stderr] 
Dec 01 01:19:54.471 INFO [stderr] warning: method is never used: `gets`
Dec 01 01:19:54.471 INFO [stderr]   --> src/ring_buffer.rs:99:5
Dec 01 01:19:54.471 INFO [stderr]    |
Dec 01 01:19:54.471 INFO [stderr] 99 |     fn gets(&mut self, amount: usize) -> Result<Box<[u8]>, RingBufferError> {
Dec 01 01:19:54.471 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 01:19:54.471 INFO [stderr] 
Dec 01 01:19:54.471 INFO [stderr] warning: method is never used: `puts`
Dec 01 01:19:54.471 INFO [stderr]    --> src/ring_buffer.rs:116:5
Dec 01 01:19:54.471 INFO [stderr]     |
Dec 01 01:19:54.471 INFO [stderr] 116 |     fn puts(&mut self, data: &[u8]) -> Result<usize, RingBufferError> {
Dec 01 01:19:54.483 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 01:19:54.483 INFO [stderr] 
Dec 01 01:19:54.483 INFO [stderr] warning: method is never used: `commit_read`
Dec 01 01:19:54.483 INFO [stderr]    --> src/ring_buffer.rs:121:5
Dec 01 01:19:54.483 INFO [stderr]     |
Dec 01 01:19:54.483 INFO [stderr] 121 |     fn commit_read(&mut self, amount: usize) {
Dec 01 01:19:54.483 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 01:19:54.483 INFO [stderr] 
Dec 01 01:19:54.483 INFO [stderr] warning: method is never used: `commit_write`
Dec 01 01:19:54.483 INFO [stderr]    --> src/ring_buffer.rs:126:5
Dec 01 01:19:54.483 INFO [stderr]     |
Dec 01 01:19:54.483 INFO [stderr] 126 |     fn commit_write(&mut self, amount: usize) {
Dec 01 01:19:54.483 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 01:19:54.483 INFO [stderr] 
Dec 01 01:19:54.499 INFO [stderr] warning: comparison is useless due to type limits
Dec 01 01:19:54.499 INFO [stderr]    --> src/ring_buffer.rs:111:17
Dec 01 01:19:54.499 INFO [stderr]     |
Dec 01 01:19:54.499 INFO [stderr] 111 |         assert!(self.available_data() >= 0, "Error in read commit.");
Dec 01 01:19:54.499 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 01:19:54.499 INFO [stderr]     |
Dec 01 01:19:54.499 INFO [stderr]     = note: #[warn(unused_comparisons)] on by default
Dec 01 01:19:54.499 INFO [stderr] 
Dec 01 01:19:54.648 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
Dec 01 01:19:54.653 INFO [stderr] su: No module specific data is present
Dec 01 01:19:55.302 INFO running `"docker" "inspect" "7d6cc00cb75b085cd7f1d8c35232ac485c746cc5bddd3a1be7b3d023bf4a1c39"`
Dec 01 01:19:55.673 INFO running `"docker" "rm" "-f" "7d6cc00cb75b085cd7f1d8c35232ac485c746cc5bddd3a1be7b3d023bf4a1c39"`
Dec 01 01:19:56.003 INFO [stdout] 7d6cc00cb75b085cd7f1d8c35232ac485c746cc5bddd3a1be7b3d023bf4a1c39
Dec 01 01:19:56.010 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-6/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/beta-1.31-5/1.30.1:/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 +1.30.1 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"`
Dec 01 01:19:56.395 INFO [stdout] ec18e15e2b989eab92faea38af578783cc1d563399ba8cf4dd114b379c99b883
Dec 01 01:19:56.398 INFO running `"docker" "start" "-a" "ec18e15e2b989eab92faea38af578783cc1d563399ba8cf4dd114b379c99b883"`
Dec 01 01:19:58.111 INFO [stderr] usermod: no changes
Dec 01 01:19:58.179 INFO [stderr]    Compiling ring-buffer v0.1.0 (/source)
Dec 01 01:19:58.472 INFO [stderr] warning: unused import: `ring_buffer::RingBuffer`
Dec 01 01:19:58.473 INFO [stderr]  --> src/tests.rs:1:5
Dec 01 01:19:58.473 INFO [stderr]   |
Dec 01 01:19:58.473 INFO [stderr] 1 | use ring_buffer::RingBuffer;
Dec 01 01:19:58.474 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 01:19:58.474 INFO [stderr]   |
Dec 01 01:19:58.474 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 01 01:19:58.479 INFO [stderr] 
Dec 01 01:19:58.479 INFO [stderr] warning: unused imports: `Read`, `Write`
Dec 01 01:19:58.479 INFO [stderr]  --> src/tests.rs:2:15
Dec 01 01:19:58.480 INFO [stderr]   |
Dec 01 01:19:58.480 INFO [stderr] 2 | use std::io::{Read, Write};
Dec 01 01:19:58.480 INFO [stderr]   |               ^^^^  ^^^^^
Dec 01 01:19:58.481 INFO [stderr] 
Dec 01 01:19:58.537 INFO [stderr] warning: unused variable: `i`
Dec 01 01:19:58.539 INFO [stderr]   --> src/ring_buffer.rs:24:13
Dec 01 01:19:58.539 INFO [stderr]    |
Dec 01 01:19:58.539 INFO [stderr] 24 |         for i in 0..buffer.capacity() {
Dec 01 01:19:58.539 INFO [stderr]    |             ^ help: consider using `_i` instead
Dec 01 01:19:58.539 INFO [stderr]    |
Dec 01 01:19:58.539 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 01 01:19:58.539 INFO [stderr] 
Dec 01 01:19:58.539 INFO [stderr] warning: unused variable: `but`
Dec 01 01:19:58.539 INFO [stderr]    --> src/ring_buffer.rs:132:24
Dec 01 01:19:58.539 INFO [stderr]     |
Dec 01 01:19:58.539 INFO [stderr] 132 |     fn read(&mut self, but: &mut [u8]) -> io::Result<usize> {
Dec 01 01:19:58.539 INFO [stderr]     |                        ^^^ help: consider using `_but` instead
Dec 01 01:19:58.539 INFO [stderr] 
Dec 01 01:19:58.539 INFO [stderr] warning: unused variable: `buf`
Dec 01 01:19:58.539 INFO [stderr]    --> src/ring_buffer.rs:140:25
Dec 01 01:19:58.539 INFO [stderr]     |
Dec 01 01:19:58.539 INFO [stderr] 140 |     fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
Dec 01 01:19:58.539 INFO [stderr]     |                         ^^^ help: consider using `_buf` instead
Dec 01 01:19:58.539 INFO [stderr] 
Dec 01 01:19:58.557 INFO [stderr] warning: field is never used: `buffer`
Dec 01 01:19:58.559 INFO [stderr]   --> src/ring_buffer.rs:14:5
Dec 01 01:19:58.559 INFO [stderr]    |
Dec 01 01:19:58.559 INFO [stderr] 14 |     buffer: Box<Vec<u8>>,
Dec 01 01:19:58.559 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 01 01:19:58.559 INFO [stderr]    |
Dec 01 01:19:58.559 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 01 01:19:58.559 INFO [stderr] 
Dec 01 01:19:58.559 INFO [stderr] warning: field is never used: `capacity`
Dec 01 01:19:58.559 INFO [stderr]   --> src/ring_buffer.rs:15:5
Dec 01 01:19:58.559 INFO [stderr]    |
Dec 01 01:19:58.559 INFO [stderr] 15 |     capacity: usize,
Dec 01 01:19:58.559 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 01 01:19:58.559 INFO [stderr] 
Dec 01 01:19:58.559 INFO [stderr] warning: field is never used: `start`
Dec 01 01:19:58.559 INFO [stderr]   --> src/ring_buffer.rs:16:5
Dec 01 01:19:58.559 INFO [stderr]    |
Dec 01 01:19:58.559 INFO [stderr] 16 |     start:  usize,
Dec 01 01:19:58.559 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 01 01:19:58.559 INFO [stderr] 
Dec 01 01:19:58.559 INFO [stderr] warning: field is never used: `end`
Dec 01 01:19:58.559 INFO [stderr]   --> src/ring_buffer.rs:17:5
Dec 01 01:19:58.559 INFO [stderr]    |
Dec 01 01:19:58.559 INFO [stderr] 17 |     end:    usize,    
Dec 01 01:19:58.559 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 01 01:19:58.559 INFO [stderr] 
Dec 01 01:19:58.559 INFO [stderr] warning: method is never used: `new`
Dec 01 01:19:58.559 INFO [stderr]   --> src/ring_buffer.rs:21:5
Dec 01 01:19:58.559 INFO [stderr]    |
Dec 01 01:19:58.559 INFO [stderr] 21 |     fn new(capacity: usize) -> RingBuffer {
Dec 01 01:19:58.559 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 01:19:58.559 INFO [stderr] 
Dec 01 01:19:58.559 INFO [stderr] warning: method is never used: `read_buf_amount`
Dec 01 01:19:58.559 INFO [stderr]   --> src/ring_buffer.rs:36:5
Dec 01 01:19:58.559 INFO [stderr]    |
Dec 01 01:19:58.559 INFO [stderr] 36 |     fn read_buf_amount(&mut self, target: &mut [u8], amount: usize) -> Result<usize, RingBufferError> {
Dec 01 01:19:58.559 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 01:19:58.559 INFO [stderr] 
Dec 01 01:19:58.559 INFO [stderr] warning: method is never used: `write_buf_amount`
Dec 01 01:19:58.559 INFO [stderr]   --> src/ring_buffer.rs:57:5
Dec 01 01:19:58.559 INFO [stderr]    |
Dec 01 01:19:58.559 INFO [stderr] 57 |     fn write_buf_amount(&mut self, data: &[u8], amount: usize) -> Result<usize, RingBufferError> {
Dec 01 01:19:58.559 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 01:19:58.559 INFO [stderr] 
Dec 01 01:19:58.559 INFO [stderr] warning: method is never used: `is_empty`
Dec 01 01:19:58.559 INFO [stderr]   --> src/ring_buffer.rs:80:5
Dec 01 01:19:58.559 INFO [stderr]    |
Dec 01 01:19:58.559 INFO [stderr] 80 |     fn is_empty(&self) -> bool {
Dec 01 01:19:58.559 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 01:19:58.559 INFO [stderr] 
Dec 01 01:19:58.559 INFO [stderr] warning: method is never used: `is_full`
Dec 01 01:19:58.559 INFO [stderr]   --> src/ring_buffer.rs:85:5
Dec 01 01:19:58.559 INFO [stderr]    |
Dec 01 01:19:58.559 INFO [stderr] 85 |     fn is_full(&self) -> bool {
Dec 01 01:19:58.559 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 01:19:58.559 INFO [stderr] 
Dec 01 01:19:58.559 INFO [stderr] warning: method is never used: `available_data`
Dec 01 01:19:58.559 INFO [stderr]   --> src/ring_buffer.rs:90:5
Dec 01 01:19:58.559 INFO [stderr]    |
Dec 01 01:19:58.559 INFO [stderr] 90 |     fn available_data(&self) -> usize {
Dec 01 01:19:58.559 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 01:19:58.559 INFO [stderr] 
Dec 01 01:19:58.559 INFO [stderr] warning: method is never used: `available_space`
Dec 01 01:19:58.559 INFO [stderr]   --> src/ring_buffer.rs:95:5
Dec 01 01:19:58.559 INFO [stderr]    |
Dec 01 01:19:58.559 INFO [stderr] 95 |     fn available_space(&self) -> usize {
Dec 01 01:19:58.559 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 01:19:58.559 INFO [stderr] 
Dec 01 01:19:58.559 INFO [stderr] warning: method is never used: `gets`
Dec 01 01:19:58.560 INFO [stderr]   --> src/ring_buffer.rs:99:5
Dec 01 01:19:58.560 INFO [stderr]    |
Dec 01 01:19:58.560 INFO [stderr] 99 |     fn gets(&mut self, amount: usize) -> Result<Box<[u8]>, RingBufferError> {
Dec 01 01:19:58.560 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 01:19:58.560 INFO [stderr] 
Dec 01 01:19:58.560 INFO [stderr] warning: method is never used: `puts`
Dec 01 01:19:58.560 INFO [stderr]    --> src/ring_buffer.rs:116:5
Dec 01 01:19:58.560 INFO [stderr]     |
Dec 01 01:19:58.560 INFO [stderr] 116 |     fn puts(&mut self, data: &[u8]) -> Result<usize, RingBufferError> {
Dec 01 01:19:58.560 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 01:19:58.560 INFO [stderr] 
Dec 01 01:19:58.560 INFO [stderr] warning: method is never used: `commit_read`
Dec 01 01:19:58.560 INFO [stderr]    --> src/ring_buffer.rs:121:5
Dec 01 01:19:58.560 INFO [stderr]     |
Dec 01 01:19:58.560 INFO [stderr] 121 |     fn commit_read(&mut self, amount: usize) {
Dec 01 01:19:58.560 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 01:19:58.560 INFO [stderr] 
Dec 01 01:19:58.560 INFO [stderr] warning: method is never used: `commit_write`
Dec 01 01:19:58.560 INFO [stderr]    --> src/ring_buffer.rs:126:5
Dec 01 01:19:58.560 INFO [stderr]     |
Dec 01 01:19:58.560 INFO [stderr] 126 |     fn commit_write(&mut self, amount: usize) {
Dec 01 01:19:58.560 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 01:19:58.560 INFO [stderr] 
Dec 01 01:19:58.583 INFO [stderr] warning: comparison is useless due to type limits
Dec 01 01:19:58.583 INFO [stderr]    --> src/ring_buffer.rs:111:17
Dec 01 01:19:58.583 INFO [stderr]     |
Dec 01 01:19:58.583 INFO [stderr] 111 |         assert!(self.available_data() >= 0, "Error in read commit.");
Dec 01 01:19:58.583 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 01:19:58.583 INFO [stderr]     |
Dec 01 01:19:58.591 INFO [stderr]     = note: #[warn(unused_comparisons)] on by default
Dec 01 01:19:58.591 INFO [stderr] 
Dec 01 01:19:59.155 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
Dec 01 01:19:59.156 INFO [stderr] su: No module specific data is present
Dec 01 01:19:59.899 INFO running `"docker" "inspect" "ec18e15e2b989eab92faea38af578783cc1d563399ba8cf4dd114b379c99b883"`
Dec 01 01:20:00.157 INFO running `"docker" "rm" "-f" "ec18e15e2b989eab92faea38af578783cc1d563399ba8cf4dd114b379c99b883"`
Dec 01 01:20:00.407 INFO [stdout] ec18e15e2b989eab92faea38af578783cc1d563399ba8cf4dd114b379c99b883
Dec 01 01:20:00.410 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-6/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/beta-1.31-5/1.30.1:/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 +1.30.1 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"`
Dec 01 01:20:00.885 INFO [stdout] 7f3b7a21182f9485fac0b9bc9df19e6d16c15d52e1a882991b0893f086224f95
Dec 01 01:20:00.895 INFO running `"docker" "start" "-a" "7f3b7a21182f9485fac0b9bc9df19e6d16c15d52e1a882991b0893f086224f95"`
Dec 01 01:20:02.155 INFO [stderr] usermod: no changes
Dec 01 01:20:02.207 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Dec 01 01:20:02.208 INFO [stderr]      Running /target/debug/deps/ring_buffer-9afe8ab3f867b0e1
Dec 01 01:20:02.210 INFO [stdout] 
Dec 01 01:20:02.210 INFO [stdout] running 0 tests
Dec 01 01:20:02.210 INFO [stdout] 
Dec 01 01:20:02.210 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 01 01:20:02.210 INFO [stdout] 
Dec 01 01:20:02.215 INFO [stderr]    Doc-tests ring-buffer
Dec 01 01:20:02.590 INFO [stdout] 
Dec 01 01:20:02.590 INFO [stdout] running 0 tests
Dec 01 01:20:02.590 INFO [stdout] 
Dec 01 01:20:02.591 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 01 01:20:02.591 INFO [stdout] 
Dec 01 01:20:02.600 INFO [stderr] su: No module specific data is present
Dec 01 01:20:03.241 INFO running `"docker" "inspect" "7f3b7a21182f9485fac0b9bc9df19e6d16c15d52e1a882991b0893f086224f95"`
Dec 01 01:20:03.525 INFO running `"docker" "rm" "-f" "7f3b7a21182f9485fac0b9bc9df19e6d16c15d52e1a882991b0893f086224f95"`
Dec 01 01:20:03.712 INFO [stdout] 7f3b7a21182f9485fac0b9bc9df19e6d16c15d52e1a882991b0893f086224f95
