Nov 16 12:29:51.095 INFO testing stallmanifold/ring-buffer against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 16 12:29:51.096 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt build --frozen" "-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 16 12:29:51.703 INFO [stdout] 6a826c6ff5509a39e92d19e1011a2cc9745c261bb3bf232795c372e2baaa8d53
Nov 16 12:29:51.711 INFO running `"docker" "start" "-a" "6a826c6ff5509a39e92d19e1011a2cc9745c261bb3bf232795c372e2baaa8d53"`
Nov 16 12:29:53.063 INFO [stderr] usermod: no changes
Nov 16 12:29:53.156 INFO [stderr]    Compiling ring-buffer v0.1.0 (/source)
Nov 16 12:29:53.433 INFO [stderr] warning: unused variable: `i`
Nov 16 12:29:53.433 INFO [stderr]   --> src/ring_buffer.rs:24:13
Nov 16 12:29:53.433 INFO [stderr]    |
Nov 16 12:29:53.433 INFO [stderr] 24 |         for i in 0..buffer.capacity() {
Nov 16 12:29:53.433 INFO [stderr]    |             ^ help: consider using `_i` instead
Nov 16 12:29:53.433 INFO [stderr]    |
Nov 16 12:29:53.433 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 16 12:29:53.433 INFO [stderr] 
Nov 16 12:29:53.433 INFO [stderr] warning: unused variable: `but`
Nov 16 12:29:53.433 INFO [stderr]    --> src/ring_buffer.rs:132:24
Nov 16 12:29:53.433 INFO [stderr]     |
Nov 16 12:29:53.433 INFO [stderr] 132 |     fn read(&mut self, but: &mut [u8]) -> io::Result<usize> {
Nov 16 12:29:53.433 INFO [stderr]     |                        ^^^ help: consider using `_but` instead
Nov 16 12:29:53.433 INFO [stderr] 
Nov 16 12:29:53.433 INFO [stderr] warning: unused variable: `buf`
Nov 16 12:29:53.433 INFO [stderr]    --> src/ring_buffer.rs:140:25
Nov 16 12:29:53.433 INFO [stderr]     |
Nov 16 12:29:53.433 INFO [stderr] 140 |     fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
Nov 16 12:29:53.433 INFO [stderr]     |                         ^^^ help: consider using `_buf` instead
Nov 16 12:29:53.433 INFO [stderr] 
Nov 16 12:29:53.450 INFO [stderr] warning: field is never used: `buffer`
Nov 16 12:29:53.450 INFO [stderr]   --> src/ring_buffer.rs:14:5
Nov 16 12:29:53.450 INFO [stderr]    |
Nov 16 12:29:53.450 INFO [stderr] 14 |     buffer: Box<Vec<u8>>,
Nov 16 12:29:53.450 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Nov 16 12:29:53.450 INFO [stderr]    |
Nov 16 12:29:53.450 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 16 12:29:53.450 INFO [stderr] 
Nov 16 12:29:53.450 INFO [stderr] warning: field is never used: `capacity`
Nov 16 12:29:53.450 INFO [stderr]   --> src/ring_buffer.rs:15:5
Nov 16 12:29:53.450 INFO [stderr]    |
Nov 16 12:29:53.450 INFO [stderr] 15 |     capacity: usize,
Nov 16 12:29:53.450 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Nov 16 12:29:53.450 INFO [stderr] 
Nov 16 12:29:53.450 INFO [stderr] warning: field is never used: `start`
Nov 16 12:29:53.451 INFO [stderr]   --> src/ring_buffer.rs:16:5
Nov 16 12:29:53.451 INFO [stderr]    |
Nov 16 12:29:53.451 INFO [stderr] 16 |     start:  usize,
Nov 16 12:29:53.451 INFO [stderr]    |     ^^^^^^^^^^^^^
Nov 16 12:29:53.451 INFO [stderr] 
Nov 16 12:29:53.451 INFO [stderr] warning: field is never used: `end`
Nov 16 12:29:53.451 INFO [stderr]   --> src/ring_buffer.rs:17:5
Nov 16 12:29:53.451 INFO [stderr]    |
Nov 16 12:29:53.451 INFO [stderr] 17 |     end:    usize,    
Nov 16 12:29:53.451 INFO [stderr]    |     ^^^^^^^^^^^^^
Nov 16 12:29:53.451 INFO [stderr] 
Nov 16 12:29:53.451 INFO [stderr] warning: method is never used: `new`
Nov 16 12:29:53.451 INFO [stderr]   --> src/ring_buffer.rs:21:5
Nov 16 12:29:53.451 INFO [stderr]    |
Nov 16 12:29:53.451 INFO [stderr] 21 |     fn new(capacity: usize) -> RingBuffer {
Nov 16 12:29:53.451 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 12:29:53.451 INFO [stderr] 
Nov 16 12:29:53.451 INFO [stderr] warning: method is never used: `read_buf_amount`
Nov 16 12:29:53.451 INFO [stderr]   --> src/ring_buffer.rs:36:5
Nov 16 12:29:53.451 INFO [stderr]    |
Nov 16 12:29:53.451 INFO [stderr] 36 |     fn read_buf_amount(&mut self, target: &mut [u8], amount: usize) -> Result<usize, RingBufferError> {
Nov 16 12:29:53.451 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 12:29:53.451 INFO [stderr] 
Nov 16 12:29:53.451 INFO [stderr] warning: method is never used: `write_buf_amount`
Nov 16 12:29:53.451 INFO [stderr]   --> src/ring_buffer.rs:57:5
Nov 16 12:29:53.451 INFO [stderr]    |
Nov 16 12:29:53.451 INFO [stderr] 57 |     fn write_buf_amount(&mut self, data: &[u8], amount: usize) -> Result<usize, RingBufferError> {
Nov 16 12:29:53.451 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 12:29:53.451 INFO [stderr] 
Nov 16 12:29:53.451 INFO [stderr] warning: method is never used: `is_empty`
Nov 16 12:29:53.451 INFO [stderr]   --> src/ring_buffer.rs:80:5
Nov 16 12:29:53.451 INFO [stderr]    |
Nov 16 12:29:53.451 INFO [stderr] 80 |     fn is_empty(&self) -> bool {
Nov 16 12:29:53.451 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 12:29:53.451 INFO [stderr] 
Nov 16 12:29:53.451 INFO [stderr] warning: method is never used: `is_full`
Nov 16 12:29:53.451 INFO [stderr]   --> src/ring_buffer.rs:85:5
Nov 16 12:29:53.451 INFO [stderr]    |
Nov 16 12:29:53.451 INFO [stderr] 85 |     fn is_full(&self) -> bool {
Nov 16 12:29:53.451 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 12:29:53.451 INFO [stderr] 
Nov 16 12:29:53.451 INFO [stderr] warning: method is never used: `available_data`
Nov 16 12:29:53.451 INFO [stderr]   --> src/ring_buffer.rs:90:5
Nov 16 12:29:53.451 INFO [stderr]    |
Nov 16 12:29:53.451 INFO [stderr] 90 |     fn available_data(&self) -> usize {
Nov 16 12:29:53.451 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 12:29:53.451 INFO [stderr] 
Nov 16 12:29:53.451 INFO [stderr] warning: method is never used: `available_space`
Nov 16 12:29:53.451 INFO [stderr]   --> src/ring_buffer.rs:95:5
Nov 16 12:29:53.451 INFO [stderr]    |
Nov 16 12:29:53.451 INFO [stderr] 95 |     fn available_space(&self) -> usize {
Nov 16 12:29:53.451 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 12:29:53.451 INFO [stderr] 
Nov 16 12:29:53.451 INFO [stderr] warning: method is never used: `gets`
Nov 16 12:29:53.451 INFO [stderr]   --> src/ring_buffer.rs:99:5
Nov 16 12:29:53.451 INFO [stderr]    |
Nov 16 12:29:53.451 INFO [stderr] 99 |     fn gets(&mut self, amount: usize) -> Result<Box<[u8]>, RingBufferError> {
Nov 16 12:29:53.451 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 12:29:53.451 INFO [stderr] 
Nov 16 12:29:53.451 INFO [stderr] warning: method is never used: `puts`
Nov 16 12:29:53.451 INFO [stderr]    --> src/ring_buffer.rs:116:5
Nov 16 12:29:53.451 INFO [stderr]     |
Nov 16 12:29:53.451 INFO [stderr] 116 |     fn puts(&mut self, data: &[u8]) -> Result<usize, RingBufferError> {
Nov 16 12:29:53.451 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 12:29:53.451 INFO [stderr] 
Nov 16 12:29:53.451 INFO [stderr] warning: method is never used: `commit_read`
Nov 16 12:29:53.451 INFO [stderr]    --> src/ring_buffer.rs:121:5
Nov 16 12:29:53.451 INFO [stderr]     |
Nov 16 12:29:53.451 INFO [stderr] 121 |     fn commit_read(&mut self, amount: usize) {
Nov 16 12:29:53.451 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 12:29:53.451 INFO [stderr] 
Nov 16 12:29:53.451 INFO [stderr] warning: method is never used: `commit_write`
Nov 16 12:29:53.451 INFO [stderr]    --> src/ring_buffer.rs:126:5
Nov 16 12:29:53.451 INFO [stderr]     |
Nov 16 12:29:53.451 INFO [stderr] 126 |     fn commit_write(&mut self, amount: usize) {
Nov 16 12:29:53.451 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 12:29:53.451 INFO [stderr] 
Nov 16 12:29:53.459 INFO [stderr] warning: comparison is useless due to type limits
Nov 16 12:29:53.460 INFO [stderr]    --> src/ring_buffer.rs:111:17
Nov 16 12:29:53.460 INFO [stderr]     |
Nov 16 12:29:53.460 INFO [stderr] 111 |         assert!(self.available_data() >= 0, "Error in read commit.");
Nov 16 12:29:53.460 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 12:29:53.460 INFO [stderr]     |
Nov 16 12:29:53.470 INFO [stderr]     = note: #[warn(unused_comparisons)] on by default
Nov 16 12:29:53.470 INFO [stderr] 
Nov 16 12:29:53.579 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
Nov 16 12:29:53.581 INFO [stderr] su: No module specific data is present
Nov 16 12:29:54.316 INFO running `"docker" "inspect" "6a826c6ff5509a39e92d19e1011a2cc9745c261bb3bf232795c372e2baaa8d53"`
Nov 16 12:29:54.639 INFO running `"docker" "rm" "-f" "6a826c6ff5509a39e92d19e1011a2cc9745c261bb3bf232795c372e2baaa8d53"`
Nov 16 12:29:54.991 INFO [stdout] 6a826c6ff5509a39e92d19e1011a2cc9745c261bb3bf232795c372e2baaa8d53
Nov 16 12:29:54.995 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt test --frozen --no-run" "-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 16 12:29:55.483 INFO [stdout] d5a0947d457c1b6f404e79a754b8b50b0b338a9e3465cf01c179e4e3ccbc9b37
Nov 16 12:29:55.491 INFO running `"docker" "start" "-a" "d5a0947d457c1b6f404e79a754b8b50b0b338a9e3465cf01c179e4e3ccbc9b37"`
Nov 16 12:29:56.810 INFO [stderr] usermod: no changes
Nov 16 12:29:56.865 INFO [stderr]    Compiling ring-buffer v0.1.0 (/source)
Nov 16 12:29:57.133 INFO [stderr] warning: unused import: `ring_buffer::RingBuffer`
Nov 16 12:29:57.133 INFO [stderr]  --> src/tests.rs:1:5
Nov 16 12:29:57.133 INFO [stderr]   |
Nov 16 12:29:57.133 INFO [stderr] 1 | use ring_buffer::RingBuffer;
Nov 16 12:29:57.133 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 12:29:57.133 INFO [stderr]   |
Nov 16 12:29:57.133 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 16 12:29:57.133 INFO [stderr] 
Nov 16 12:29:57.134 INFO [stderr] warning: unused imports: `Read`, `Write`
Nov 16 12:29:57.134 INFO [stderr]  --> src/tests.rs:2:15
Nov 16 12:29:57.134 INFO [stderr]   |
Nov 16 12:29:57.134 INFO [stderr] 2 | use std::io::{Read, Write};
Nov 16 12:29:57.134 INFO [stderr]   |               ^^^^  ^^^^^
Nov 16 12:29:57.134 INFO [stderr] 
Nov 16 12:29:57.183 INFO [stderr] warning: unused variable: `i`
Nov 16 12:29:57.183 INFO [stderr]   --> src/ring_buffer.rs:24:13
Nov 16 12:29:57.183 INFO [stderr]    |
Nov 16 12:29:57.183 INFO [stderr] 24 |         for i in 0..buffer.capacity() {
Nov 16 12:29:57.183 INFO [stderr]    |             ^ help: consider using `_i` instead
Nov 16 12:29:57.183 INFO [stderr]    |
Nov 16 12:29:57.183 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 16 12:29:57.183 INFO [stderr] 
Nov 16 12:29:57.183 INFO [stderr] warning: unused variable: `but`
Nov 16 12:29:57.183 INFO [stderr]    --> src/ring_buffer.rs:132:24
Nov 16 12:29:57.183 INFO [stderr]     |
Nov 16 12:29:57.183 INFO [stderr] 132 |     fn read(&mut self, but: &mut [u8]) -> io::Result<usize> {
Nov 16 12:29:57.183 INFO [stderr]     |                        ^^^ help: consider using `_but` instead
Nov 16 12:29:57.183 INFO [stderr] 
Nov 16 12:29:57.183 INFO [stderr] warning: unused variable: `buf`
Nov 16 12:29:57.183 INFO [stderr]    --> src/ring_buffer.rs:140:25
Nov 16 12:29:57.183 INFO [stderr]     |
Nov 16 12:29:57.183 INFO [stderr] 140 |     fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
Nov 16 12:29:57.183 INFO [stderr]     |                         ^^^ help: consider using `_buf` instead
Nov 16 12:29:57.183 INFO [stderr] 
Nov 16 12:29:57.188 INFO [stderr] warning: field is never used: `buffer`
Nov 16 12:29:57.188 INFO [stderr]   --> src/ring_buffer.rs:14:5
Nov 16 12:29:57.188 INFO [stderr]    |
Nov 16 12:29:57.188 INFO [stderr] 14 |     buffer: Box<Vec<u8>>,
Nov 16 12:29:57.188 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Nov 16 12:29:57.188 INFO [stderr]    |
Nov 16 12:29:57.188 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 16 12:29:57.189 INFO [stderr] 
Nov 16 12:29:57.189 INFO [stderr] warning: field is never used: `capacity`
Nov 16 12:29:57.189 INFO [stderr]   --> src/ring_buffer.rs:15:5
Nov 16 12:29:57.189 INFO [stderr]    |
Nov 16 12:29:57.189 INFO [stderr] 15 |     capacity: usize,
Nov 16 12:29:57.189 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Nov 16 12:29:57.189 INFO [stderr] 
Nov 16 12:29:57.189 INFO [stderr] warning: field is never used: `start`
Nov 16 12:29:57.190 INFO [stderr]   --> src/ring_buffer.rs:16:5
Nov 16 12:29:57.190 INFO [stderr]    |
Nov 16 12:29:57.191 INFO [stderr] 16 |     start:  usize,
Nov 16 12:29:57.191 INFO [stderr]    |     ^^^^^^^^^^^^^
Nov 16 12:29:57.191 INFO [stderr] 
Nov 16 12:29:57.191 INFO [stderr] warning: field is never used: `end`
Nov 16 12:29:57.191 INFO [stderr]   --> src/ring_buffer.rs:17:5
Nov 16 12:29:57.191 INFO [stderr]    |
Nov 16 12:29:57.191 INFO [stderr] 17 |     end:    usize,    
Nov 16 12:29:57.191 INFO [stderr]    |     ^^^^^^^^^^^^^
Nov 16 12:29:57.191 INFO [stderr] 
Nov 16 12:29:57.191 INFO [stderr] warning: method is never used: `new`
Nov 16 12:29:57.191 INFO [stderr]   --> src/ring_buffer.rs:21:5
Nov 16 12:29:57.191 INFO [stderr]    |
Nov 16 12:29:57.191 INFO [stderr] 21 |     fn new(capacity: usize) -> RingBuffer {
Nov 16 12:29:57.191 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 12:29:57.191 INFO [stderr] 
Nov 16 12:29:57.191 INFO [stderr] warning: method is never used: `read_buf_amount`
Nov 16 12:29:57.191 INFO [stderr]   --> src/ring_buffer.rs:36:5
Nov 16 12:29:57.191 INFO [stderr]    |
Nov 16 12:29:57.191 INFO [stderr] 36 |     fn read_buf_amount(&mut self, target: &mut [u8], amount: usize) -> Result<usize, RingBufferError> {
Nov 16 12:29:57.191 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 12:29:57.191 INFO [stderr] 
Nov 16 12:29:57.191 INFO [stderr] warning: method is never used: `write_buf_amount`
Nov 16 12:29:57.191 INFO [stderr]   --> src/ring_buffer.rs:57:5
Nov 16 12:29:57.191 INFO [stderr]    |
Nov 16 12:29:57.191 INFO [stderr] 57 |     fn write_buf_amount(&mut self, data: &[u8], amount: usize) -> Result<usize, RingBufferError> {
Nov 16 12:29:57.191 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 12:29:57.191 INFO [stderr] 
Nov 16 12:29:57.191 INFO [stderr] warning: method is never used: `is_empty`
Nov 16 12:29:57.191 INFO [stderr]   --> src/ring_buffer.rs:80:5
Nov 16 12:29:57.191 INFO [stderr]    |
Nov 16 12:29:57.191 INFO [stderr] 80 |     fn is_empty(&self) -> bool {
Nov 16 12:29:57.191 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 12:29:57.191 INFO [stderr] 
Nov 16 12:29:57.191 INFO [stderr] warning: method is never used: `is_full`
Nov 16 12:29:57.191 INFO [stderr]   --> src/ring_buffer.rs:85:5
Nov 16 12:29:57.191 INFO [stderr]    |
Nov 16 12:29:57.191 INFO [stderr] 85 |     fn is_full(&self) -> bool {
Nov 16 12:29:57.191 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 12:29:57.191 INFO [stderr] 
Nov 16 12:29:57.191 INFO [stderr] warning: method is never used: `available_data`
Nov 16 12:29:57.191 INFO [stderr]   --> src/ring_buffer.rs:90:5
Nov 16 12:29:57.191 INFO [stderr]    |
Nov 16 12:29:57.191 INFO [stderr] 90 |     fn available_data(&self) -> usize {
Nov 16 12:29:57.191 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 12:29:57.191 INFO [stderr] 
Nov 16 12:29:57.191 INFO [stderr] warning: method is never used: `available_space`
Nov 16 12:29:57.191 INFO [stderr]   --> src/ring_buffer.rs:95:5
Nov 16 12:29:57.191 INFO [stderr]    |
Nov 16 12:29:57.191 INFO [stderr] 95 |     fn available_space(&self) -> usize {
Nov 16 12:29:57.191 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 12:29:57.191 INFO [stderr] 
Nov 16 12:29:57.191 INFO [stderr] warning: method is never used: `gets`
Nov 16 12:29:57.191 INFO [stderr]   --> src/ring_buffer.rs:99:5
Nov 16 12:29:57.191 INFO [stderr]    |
Nov 16 12:29:57.191 INFO [stderr] 99 |     fn gets(&mut self, amount: usize) -> Result<Box<[u8]>, RingBufferError> {
Nov 16 12:29:57.191 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 12:29:57.191 INFO [stderr] 
Nov 16 12:29:57.191 INFO [stderr] warning: method is never used: `puts`
Nov 16 12:29:57.191 INFO [stderr]    --> src/ring_buffer.rs:116:5
Nov 16 12:29:57.191 INFO [stderr]     |
Nov 16 12:29:57.191 INFO [stderr] 116 |     fn puts(&mut self, data: &[u8]) -> Result<usize, RingBufferError> {
Nov 16 12:29:57.191 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 12:29:57.191 INFO [stderr] 
Nov 16 12:29:57.191 INFO [stderr] warning: method is never used: `commit_read`
Nov 16 12:29:57.191 INFO [stderr]    --> src/ring_buffer.rs:121:5
Nov 16 12:29:57.191 INFO [stderr]     |
Nov 16 12:29:57.191 INFO [stderr] 121 |     fn commit_read(&mut self, amount: usize) {
Nov 16 12:29:57.191 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 12:29:57.191 INFO [stderr] 
Nov 16 12:29:57.191 INFO [stderr] warning: method is never used: `commit_write`
Nov 16 12:29:57.191 INFO [stderr]    --> src/ring_buffer.rs:126:5
Nov 16 12:29:57.191 INFO [stderr]     |
Nov 16 12:29:57.191 INFO [stderr] 126 |     fn commit_write(&mut self, amount: usize) {
Nov 16 12:29:57.191 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 12:29:57.191 INFO [stderr] 
Nov 16 12:29:57.211 INFO [stderr] warning: comparison is useless due to type limits
Nov 16 12:29:57.211 INFO [stderr]    --> src/ring_buffer.rs:111:17
Nov 16 12:29:57.211 INFO [stderr]     |
Nov 16 12:29:57.211 INFO [stderr] 111 |         assert!(self.available_data() >= 0, "Error in read commit.");
Nov 16 12:29:57.211 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 12:29:57.211 INFO [stderr]     |
Nov 16 12:29:57.211 INFO [stderr]     = note: #[warn(unused_comparisons)] on by default
Nov 16 12:29:57.211 INFO [stderr] 
Nov 16 12:29:57.614 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
Nov 16 12:29:57.615 INFO [stderr] su: No module specific data is present
Nov 16 12:29:58.160 INFO running `"docker" "inspect" "d5a0947d457c1b6f404e79a754b8b50b0b338a9e3465cf01c179e4e3ccbc9b37"`
Nov 16 12:29:58.493 INFO running `"docker" "rm" "-f" "d5a0947d457c1b6f404e79a754b8b50b0b338a9e3465cf01c179e4e3ccbc9b37"`
Nov 16 12:29:58.779 INFO [stdout] d5a0947d457c1b6f404e79a754b8b50b0b338a9e3465cf01c179e4e3ccbc9b37
Nov 16 12:29:58.786 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt test --frozen" "-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 16 12:29:59.129 INFO [stdout] 26a84c3d2e8f84108a05a2245f05936b423e03bba7fd73a97b6b7b50729d3043
Nov 16 12:29:59.132 INFO running `"docker" "start" "-a" "26a84c3d2e8f84108a05a2245f05936b423e03bba7fd73a97b6b7b50729d3043"`
Nov 16 12:30:00.147 INFO [stderr] usermod: no changes
Nov 16 12:30:00.191 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Nov 16 12:30:00.191 INFO [stderr]      Running /target/debug/deps/ring_buffer-2d89bf87b45f50c1
Nov 16 12:30:00.199 INFO [stdout] 
Nov 16 12:30:00.199 INFO [stdout] running 0 tests
Nov 16 12:30:00.199 INFO [stdout] 
Nov 16 12:30:00.199 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 12:30:00.199 INFO [stdout] 
Nov 16 12:30:00.203 INFO [stderr]    Doc-tests ring-buffer
Nov 16 12:30:00.522 INFO [stdout] 
Nov 16 12:30:00.522 INFO [stdout] running 0 tests
Nov 16 12:30:00.522 INFO [stdout] 
Nov 16 12:30:00.522 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 12:30:00.522 INFO [stdout] 
Nov 16 12:30:00.529 INFO [stderr] su: No module specific data is present
Nov 16 12:30:01.033 INFO running `"docker" "inspect" "26a84c3d2e8f84108a05a2245f05936b423e03bba7fd73a97b6b7b50729d3043"`
Nov 16 12:30:01.257 INFO running `"docker" "rm" "-f" "26a84c3d2e8f84108a05a2245f05936b423e03bba7fd73a97b6b7b50729d3043"`
Nov 16 12:30:01.559 INFO [stdout] 26a84c3d2e8f84108a05a2245f05936b423e03bba7fd73a97b6b7b50729d3043