Dec 17 19:04:59.118 INFO checking mzgoddard/bench-tessel-protocol against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 19:04:59.118 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/mzgoddard/bench-tessel-protocol:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 19:04:59.520 INFO [stdout] bcd01160263a56ab57b1e10e755c72cde89fbc4270080e0e99f93b456622bc39
Dec 17 19:04:59.522 INFO running `"docker" "start" "-a" "bcd01160263a56ab57b1e10e755c72cde89fbc4270080e0e99f93b456622bc39"`
Dec 17 19:05:00.812 INFO [stderr]     Checking unix_socket v0.5.0
Dec 17 19:05:01.244 INFO [stderr]     Checking tessel v0.2.0
Dec 17 19:05:01.627 INFO [stderr]     Checking blinky v0.0.1 (/opt/crater/workdir)
Dec 17 19:05:01.953 INFO [stderr] warning: unused import: `std::iter::*`
Dec 17 19:05:01.953 INFO [stderr]  --> src/bin/baseline_unixstream.rs:6:5
Dec 17 19:05:01.953 INFO [stderr]   |
Dec 17 19:05:01.953 INFO [stderr] 6 | use std::iter::*;
Dec 17 19:05:01.953 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 17 19:05:01.953 INFO [stderr]   |
Dec 17 19:05:01.953 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 19:05:01.953 INFO [stderr] 
Dec 17 19:05:01.953 INFO [stderr] warning: unused import: `yield_now`
Dec 17 19:05:01.953 INFO [stderr]  --> src/bin/baseline_unixstream.rs:9:19
Dec 17 19:05:01.953 INFO [stderr]   |
Dec 17 19:05:01.953 INFO [stderr] 9 | use std::thread::{yield_now, sleep};
Dec 17 19:05:01.953 INFO [stderr]   |                   ^^^^^^^^^
Dec 17 19:05:01.953 INFO [stderr] 
Dec 17 19:05:01.953 INFO [stderr] warning: unused import: `UnixListener`
Dec 17 19:05:01.953 INFO [stderr]   --> src/bin/baseline_unixstream.rs:10:38
Dec 17 19:05:01.953 INFO [stderr]    |
Dec 17 19:05:01.953 INFO [stderr] 10 | use std::os::unix::net::{UnixStream, UnixListener};
Dec 17 19:05:01.953 INFO [stderr]    |                                      ^^^^^^^^^^^^
Dec 17 19:05:01.953 INFO [stderr] 
Dec 17 19:05:01.953 INFO [stderr] warning: unused import: `std::fs::remove_file`
Dec 17 19:05:01.953 INFO [stderr]   --> src/bin/baseline_unixstream.rs:11:5
Dec 17 19:05:01.953 INFO [stderr]    |
Dec 17 19:05:01.953 INFO [stderr] 11 | use std::fs::remove_file;
Dec 17 19:05:01.953 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 17 19:05:01.953 INFO [stderr] 
Dec 17 19:05:01.953 INFO [stderr] warning: unused import: `std::env::args`
Dec 17 19:05:01.953 INFO [stderr]   --> src/bin/baseline_unixstream.rs:12:5
Dec 17 19:05:01.953 INFO [stderr]    |
Dec 17 19:05:01.953 INFO [stderr] 12 | use std::env::args;
Dec 17 19:05:01.953 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 17 19:05:01.953 INFO [stderr] 
Dec 17 19:05:01.953 INFO [stderr] warning: unused import: `std::process::Command`
Dec 17 19:05:01.953 INFO [stderr]   --> src/bin/baseline_unixstream.rs:13:5
Dec 17 19:05:01.953 INFO [stderr]    |
Dec 17 19:05:01.953 INFO [stderr] 13 | use std::process::Command;
Dec 17 19:05:01.953 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 17 19:05:01.953 INFO [stderr] 
Dec 17 19:05:02.032 INFO [stderr] warning: unused import: `yield_now`
Dec 17 19:05:02.032 INFO [stderr]   --> src/bin/process_unix_streamed_led.rs:14:19
Dec 17 19:05:02.032 INFO [stderr]    |
Dec 17 19:05:02.032 INFO [stderr] 14 | use std::thread::{yield_now, sleep};
Dec 17 19:05:02.032 INFO [stderr]    |                   ^^^^^^^^^
Dec 17 19:05:02.032 INFO [stderr]    |
Dec 17 19:05:02.032 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 17 19:05:02.032 INFO [stderr] 
Dec 17 19:05:02.032 INFO [stderr] warning: unused import: `File`
Dec 17 19:05:02.032 INFO [stderr]   --> src/bin/process_unix_streamed_led.rs:17:15
Dec 17 19:05:02.032 INFO [stderr]    |
Dec 17 19:05:02.032 INFO [stderr] 17 | use std::fs::{File, OpenOptions};
Dec 17 19:05:02.032 INFO [stderr]    |               ^^^^
Dec 17 19:05:02.032 INFO [stderr] 
Dec 17 19:05:02.048 INFO [stderr] warning: unused import: `std::iter::*`
Dec 17 19:05:02.048 INFO [stderr]  --> src/bin/process_kmod.rs:6:5
Dec 17 19:05:02.048 INFO [stderr]   |
Dec 17 19:05:02.048 INFO [stderr] 6 | use std::iter::*;
Dec 17 19:05:02.048 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 17 19:05:02.048 INFO [stderr]   |
Dec 17 19:05:02.048 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 19:05:02.048 INFO [stderr] 
Dec 17 19:05:02.048 INFO [stderr] warning: unused imports: `SeekFrom`, `Seek`
Dec 17 19:05:02.048 INFO [stderr]  --> src/bin/process_kmod.rs:7:28
Dec 17 19:05:02.048 INFO [stderr]   |
Dec 17 19:05:02.048 INFO [stderr] 7 | use std::io::{Write, Read, Seek, SeekFrom};
Dec 17 19:05:02.048 INFO [stderr]   |                            ^^^^  ^^^^^^^^
Dec 17 19:05:02.049 INFO [stderr] 
Dec 17 19:05:02.049 INFO [stderr] warning: unused import: `yield_now`
Dec 17 19:05:02.049 INFO [stderr]  --> src/bin/process_kmod.rs:9:19
Dec 17 19:05:02.049 INFO [stderr]   |
Dec 17 19:05:02.049 INFO [stderr] 9 | use std::thread::{yield_now, sleep};
Dec 17 19:05:02.049 INFO [stderr]   |                   ^^^^^^^^^
Dec 17 19:05:02.049 INFO [stderr] 
Dec 17 19:05:02.049 INFO [stderr] warning: unused imports: `UnixListener`, `UnixStream`
Dec 17 19:05:02.049 INFO [stderr]   --> src/bin/process_kmod.rs:10:26
Dec 17 19:05:02.049 INFO [stderr]    |
Dec 17 19:05:02.049 INFO [stderr] 10 | use std::os::unix::net::{UnixStream, UnixListener};
Dec 17 19:05:02.049 INFO [stderr]    |                          ^^^^^^^^^^  ^^^^^^^^^^^^
Dec 17 19:05:02.049 INFO [stderr] 
Dec 17 19:05:02.049 INFO [stderr] warning: unused import: `std::fs::remove_file`
Dec 17 19:05:02.049 INFO [stderr]   --> src/bin/process_kmod.rs:11:5
Dec 17 19:05:02.049 INFO [stderr]    |
Dec 17 19:05:02.049 INFO [stderr] 11 | use std::fs::remove_file;
Dec 17 19:05:02.049 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 17 19:05:02.049 INFO [stderr] 
Dec 17 19:05:02.049 INFO [stderr] warning: unused import: `File`
Dec 17 19:05:02.049 INFO [stderr]   --> src/bin/process_kmod.rs:12:15
Dec 17 19:05:02.049 INFO [stderr]    |
Dec 17 19:05:02.049 INFO [stderr] 12 | use std::fs::{File, OpenOptions};
Dec 17 19:05:02.049 INFO [stderr]    |               ^^^^
Dec 17 19:05:02.049 INFO [stderr] 
Dec 17 19:05:02.049 INFO [stderr] warning: unused import: `std::env::args`
Dec 17 19:05:02.049 INFO [stderr]   --> src/bin/process_kmod.rs:13:5
Dec 17 19:05:02.049 INFO [stderr]    |
Dec 17 19:05:02.049 INFO [stderr] 13 | use std::env::args;
Dec 17 19:05:02.049 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 17 19:05:02.049 INFO [stderr] 
Dec 17 19:05:02.049 INFO [stderr] warning: unused import: `std::process::Command`
Dec 17 19:05:02.049 INFO [stderr]   --> src/bin/process_kmod.rs:14:5
Dec 17 19:05:02.049 INFO [stderr]    |
Dec 17 19:05:02.049 INFO [stderr] 14 | use std::process::Command;
Dec 17 19:05:02.049 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 17 19:05:02.049 INFO [stderr] 
Dec 17 19:05:02.140 INFO [stderr] warning: unused import: `std::iter::*`
Dec 17 19:05:02.140 INFO [stderr]  --> src/bin/baseline_unixstream.rs:6:5
Dec 17 19:05:02.140 INFO [stderr]   |
Dec 17 19:05:02.140 INFO [stderr] 6 | use std::iter::*;
Dec 17 19:05:02.140 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 17 19:05:02.153 INFO [stderr]   |
Dec 17 19:05:02.153 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 19:05:02.153 INFO [stderr] 
Dec 17 19:05:02.153 INFO [stderr] warning: unused import: `yield_now`
Dec 17 19:05:02.153 INFO [stderr]  --> src/bin/baseline_unixstream.rs:9:19
Dec 17 19:05:02.153 INFO [stderr]   |
Dec 17 19:05:02.153 INFO [stderr] 9 | use std::thread::{yield_now, sleep};
Dec 17 19:05:02.153 INFO [stderr]   |                   ^^^^^^^^^
Dec 17 19:05:02.153 INFO [stderr] 
Dec 17 19:05:02.153 INFO [stderr] warning: unused import: `UnixListener`
Dec 17 19:05:02.153 INFO [stderr]   --> src/bin/baseline_unixstream.rs:10:38
Dec 17 19:05:02.153 INFO [stderr]    |
Dec 17 19:05:02.153 INFO [stderr] 10 | use std::os::unix::net::{UnixStream, UnixListener};
Dec 17 19:05:02.153 INFO [stderr]    |                                      ^^^^^^^^^^^^
Dec 17 19:05:02.153 INFO [stderr] 
Dec 17 19:05:02.153 INFO [stderr] warning: unused import: `std::fs::remove_file`
Dec 17 19:05:02.153 INFO [stderr]   --> src/bin/baseline_unixstream.rs:11:5
Dec 17 19:05:02.153 INFO [stderr]    |
Dec 17 19:05:02.153 INFO [stderr] 11 | use std::fs::remove_file;
Dec 17 19:05:02.153 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 17 19:05:02.153 INFO [stderr] 
Dec 17 19:05:02.153 INFO [stderr] warning: unused import: `std::env::args`
Dec 17 19:05:02.153 INFO [stderr]   --> src/bin/baseline_unixstream.rs:12:5
Dec 17 19:05:02.153 INFO [stderr]    |
Dec 17 19:05:02.153 INFO [stderr] 12 | use std::env::args;
Dec 17 19:05:02.153 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 17 19:05:02.153 INFO [stderr] 
Dec 17 19:05:02.153 INFO [stderr] warning: unused import: `std::process::Command`
Dec 17 19:05:02.153 INFO [stderr]   --> src/bin/baseline_unixstream.rs:13:5
Dec 17 19:05:02.153 INFO [stderr]    |
Dec 17 19:05:02.153 INFO [stderr] 13 | use std::process::Command;
Dec 17 19:05:02.153 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 17 19:05:02.160 INFO [stderr] 
Dec 17 19:05:02.180 INFO [stderr] warning: unused variable: `cid`
Dec 17 19:05:02.180 INFO [stderr]   --> src/bin/process_unix_streamed_led.rs:58:13
Dec 17 19:05:02.180 INFO [stderr]    |
Dec 17 19:05:02.180 INFO [stderr] 58 |         let cid = match &child { &Some(ref c) => c.id(), &None => 0 };
Dec 17 19:05:02.180 INFO [stderr]    |             ^^^ help: consider using `_cid` instead
Dec 17 19:05:02.180 INFO [stderr]    |
Dec 17 19:05:02.180 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 19:05:02.180 INFO [stderr] 
Dec 17 19:05:02.193 INFO [stderr] warning: variable does not need to be mutable
Dec 17 19:05:02.193 INFO [stderr]   --> src/bin/process_unix_streamed_led.rs:55:13
Dec 17 19:05:02.193 INFO [stderr]    |
Dec 17 19:05:02.193 INFO [stderr] 55 |         let mut l = UnixListener::bind("/tmp/bench_unixstream").unwrap();
Dec 17 19:05:02.193 INFO [stderr]    |             ----^
Dec 17 19:05:02.193 INFO [stderr]    |             |
Dec 17 19:05:02.193 INFO [stderr]    |             help: remove this `mut`
Dec 17 19:05:02.193 INFO [stderr]    |
Dec 17 19:05:02.193 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 19:05:02.193 INFO [stderr] 
Dec 17 19:05:02.193 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 19:05:02.193 INFO [stderr]   --> src/bin/process_unix_streamed_led.rs:54:9
Dec 17 19:05:02.193 INFO [stderr]    |
Dec 17 19:05:02.193 INFO [stderr] 54 |         remove_file("/tmp/bench_unixstream");
Dec 17 19:05:02.193 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 19:05:02.193 INFO [stderr]    |
Dec 17 19:05:02.193 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 19:05:02.194 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 19:05:02.194 INFO [stderr] 
Dec 17 19:05:02.208 INFO [stderr] warning: unused import: `Duration`
Dec 17 19:05:02.208 INFO [stderr]  --> src/bin/process_stdio_pipes.rs:7:26
Dec 17 19:05:02.208 INFO [stderr]   |
Dec 17 19:05:02.208 INFO [stderr] 7 | use std::time::{Instant, Duration};
Dec 17 19:05:02.208 INFO [stderr]   |                          ^^^^^^^^
Dec 17 19:05:02.221 INFO [stderr]   |
Dec 17 19:05:02.221 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 19:05:02.221 INFO [stderr] 
Dec 17 19:05:02.221 INFO [stderr] warning: unused imports: `sleep`, `yield_now`
Dec 17 19:05:02.221 INFO [stderr]  --> src/bin/process_stdio_pipes.rs:8:19
Dec 17 19:05:02.221 INFO [stderr]   |
Dec 17 19:05:02.221 INFO [stderr] 8 | use std::thread::{yield_now, sleep};
Dec 17 19:05:02.221 INFO [stderr]   |                   ^^^^^^^^^  ^^^^^
Dec 17 19:05:02.236 INFO [stderr] 
Dec 17 19:05:02.236 INFO [stderr] warning: unused imports: `UnixListener`, `UnixStream`
Dec 17 19:05:02.236 INFO [stderr]  --> src/bin/process_stdio_pipes.rs:9:26
Dec 17 19:05:02.236 INFO [stderr]   |
Dec 17 19:05:02.236 INFO [stderr] 9 | use std::os::unix::net::{UnixStream, UnixListener};
Dec 17 19:05:02.236 INFO [stderr]   |                          ^^^^^^^^^^  ^^^^^^^^^^^^
Dec 17 19:05:02.236 INFO [stderr] 
Dec 17 19:05:02.236 INFO [stderr] warning: unused import: `std::fs::remove_file`
Dec 17 19:05:02.236 INFO [stderr]   --> src/bin/process_stdio_pipes.rs:10:5
Dec 17 19:05:02.236 INFO [stderr]    |
Dec 17 19:05:02.236 INFO [stderr] 10 | use std::fs::remove_file;
Dec 17 19:05:02.236 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 17 19:05:02.236 INFO [stderr] 
Dec 17 19:05:02.252 INFO [stderr] warning: unused import: `Duration`
Dec 17 19:05:02.252 INFO [stderr]  --> src/bin/process_stdio_pipes.rs:7:26
Dec 17 19:05:02.252 INFO [stderr]   |
Dec 17 19:05:02.252 INFO [stderr] 7 | use std::time::{Instant, Duration};
Dec 17 19:05:02.252 INFO [stderr]   |                          ^^^^^^^^
Dec 17 19:05:02.256 INFO [stderr] warning: unused import: `std::iter::*`
Dec 17 19:05:02.256 INFO [stderr]  --> src/bin/process_kmod.rs:6:5
Dec 17 19:05:02.256 INFO [stderr]   |
Dec 17 19:05:02.256 INFO [stderr] 6 | use std::iter::*;
Dec 17 19:05:02.256 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 17 19:05:02.260 INFO [stderr]   |
Dec 17 19:05:02.260 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 19:05:02.260 INFO [stderr] 
Dec 17 19:05:02.260 INFO [stderr] warning: unused imports: `sleep`, `yield_now`
Dec 17 19:05:02.260 INFO [stderr]  --> src/bin/process_stdio_pipes.rs:8:19
Dec 17 19:05:02.260 INFO [stderr]   |
Dec 17 19:05:02.260 INFO [stderr] 8 | use std::thread::{yield_now, sleep};
Dec 17 19:05:02.260 INFO [stderr]   |                   ^^^^^^^^^  ^^^^^
Dec 17 19:05:02.260 INFO [stderr] 
Dec 17 19:05:02.260 INFO [stderr] warning: unused imports: `UnixListener`, `UnixStream`
Dec 17 19:05:02.260 INFO [stderr]  --> src/bin/process_stdio_pipes.rs:9:26
Dec 17 19:05:02.260 INFO [stderr]   |
Dec 17 19:05:02.260 INFO [stderr] 9 | use std::os::unix::net::{UnixStream, UnixListener};
Dec 17 19:05:02.260 INFO [stderr]   |                          ^^^^^^^^^^  ^^^^^^^^^^^^
Dec 17 19:05:02.260 INFO [stderr] 
Dec 17 19:05:02.260 INFO [stderr] warning: unused import: `std::fs::remove_file`
Dec 17 19:05:02.260 INFO [stderr]   --> src/bin/process_stdio_pipes.rs:10:5
Dec 17 19:05:02.260 INFO [stderr]    |
Dec 17 19:05:02.260 INFO [stderr] 10 | use std::fs::remove_file;
Dec 17 19:05:02.260 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 17 19:05:02.260 INFO [stderr] 
Dec 17 19:05:02.264 INFO [stderr]   |
Dec 17 19:05:02.264 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 19:05:02.264 INFO [stderr] 
Dec 17 19:05:02.264 INFO [stderr] warning: unused imports: `SeekFrom`, `Seek`
Dec 17 19:05:02.264 INFO [stderr]  --> src/bin/process_kmod.rs:7:28
Dec 17 19:05:02.264 INFO [stderr]   |
Dec 17 19:05:02.264 INFO [stderr] 7 | use std::io::{Write, Read, Seek, SeekFrom};
Dec 17 19:05:02.264 INFO [stderr]   |                            ^^^^  ^^^^^^^^
Dec 17 19:05:02.264 INFO [stderr] 
Dec 17 19:05:02.264 INFO [stderr] warning: unused import: `yield_now`
Dec 17 19:05:02.264 INFO [stderr]  --> src/bin/process_kmod.rs:9:19
Dec 17 19:05:02.264 INFO [stderr]   |
Dec 17 19:05:02.264 INFO [stderr] 9 | use std::thread::{yield_now, sleep};
Dec 17 19:05:02.264 INFO [stderr]   |                   ^^^^^^^^^
Dec 17 19:05:02.264 INFO [stderr] 
Dec 17 19:05:02.264 INFO [stderr] warning: unused imports: `UnixListener`, `UnixStream`
Dec 17 19:05:02.264 INFO [stderr]   --> src/bin/process_kmod.rs:10:26
Dec 17 19:05:02.265 INFO [stderr]    |
Dec 17 19:05:02.265 INFO [stderr] 10 | use std::os::unix::net::{UnixStream, UnixListener};
Dec 17 19:05:02.265 INFO [stderr]    |                          ^^^^^^^^^^  ^^^^^^^^^^^^
Dec 17 19:05:02.265 INFO [stderr] 
Dec 17 19:05:02.265 INFO [stderr] warning: unused import: `std::fs::remove_file`
Dec 17 19:05:02.265 INFO [stderr]   --> src/bin/process_kmod.rs:11:5
Dec 17 19:05:02.265 INFO [stderr]    |
Dec 17 19:05:02.265 INFO [stderr] 11 | use std::fs::remove_file;
Dec 17 19:05:02.265 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 17 19:05:02.265 INFO [stderr] 
Dec 17 19:05:02.265 INFO [stderr] warning: unused import: `File`
Dec 17 19:05:02.265 INFO [stderr]   --> src/bin/process_kmod.rs:12:15
Dec 17 19:05:02.265 INFO [stderr]    |
Dec 17 19:05:02.265 INFO [stderr] 12 | use std::fs::{File, OpenOptions};
Dec 17 19:05:02.265 INFO [stderr]    |               ^^^^
Dec 17 19:05:02.265 INFO [stderr] 
Dec 17 19:05:02.265 INFO [stderr] warning: unused import: `std::env::args`
Dec 17 19:05:02.265 INFO [stderr]   --> src/bin/process_kmod.rs:13:5
Dec 17 19:05:02.265 INFO [stderr]    |
Dec 17 19:05:02.265 INFO [stderr] 13 | use std::env::args;
Dec 17 19:05:02.265 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 17 19:05:02.265 INFO [stderr] 
Dec 17 19:05:02.265 INFO [stderr] warning: unused import: `std::process::Command`
Dec 17 19:05:02.265 INFO [stderr]   --> src/bin/process_kmod.rs:14:5
Dec 17 19:05:02.265 INFO [stderr]    |
Dec 17 19:05:02.265 INFO [stderr] 14 | use std::process::Command;
Dec 17 19:05:02.265 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 17 19:05:02.265 INFO [stderr] 
Dec 17 19:05:02.304 INFO [stderr] warning: unused imports: `SeekFrom`, `Seek`
Dec 17 19:05:02.304 INFO [stderr]  --> src/bin/process_unix_streamed.rs:7:28
Dec 17 19:05:02.304 INFO [stderr]   |
Dec 17 19:05:02.304 INFO [stderr] 7 | use std::io::{Write, Read, Seek, SeekFrom};
Dec 17 19:05:02.304 INFO [stderr]   |                            ^^^^  ^^^^^^^^
Dec 17 19:05:02.304 INFO [stderr]   |
Dec 17 19:05:02.304 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 19:05:02.304 INFO [stderr] 
Dec 17 19:05:02.304 INFO [stderr] warning: unused import: `yield_now`
Dec 17 19:05:02.304 INFO [stderr]  --> src/bin/process_unix_streamed.rs:9:19
Dec 17 19:05:02.304 INFO [stderr]   |
Dec 17 19:05:02.304 INFO [stderr] 9 | use std::thread::{yield_now, sleep};
Dec 17 19:05:02.304 INFO [stderr]   |                   ^^^^^^^^^
Dec 17 19:05:02.304 INFO [stderr] 
Dec 17 19:05:02.304 INFO [stderr] warning: unused imports: `File`, `OpenOptions`
Dec 17 19:05:02.305 INFO [stderr]   --> src/bin/process_unix_streamed.rs:12:15
Dec 17 19:05:02.305 INFO [stderr]    |
Dec 17 19:05:02.305 INFO [stderr] 12 | use std::fs::{File, OpenOptions};
Dec 17 19:05:02.305 INFO [stderr]    |               ^^^^  ^^^^^^^^^^^
Dec 17 19:05:02.305 INFO [stderr] 
Dec 17 19:05:02.369 INFO [stderr] warning: unused variable: `cid`
Dec 17 19:05:02.369 INFO [stderr]   --> src/bin/process_unix_streamed.rs:45:13
Dec 17 19:05:02.370 INFO [stderr]    |
Dec 17 19:05:02.370 INFO [stderr] 45 |         let cid = match &child { &Some(ref c) => c.id(), &None => 0 };
Dec 17 19:05:02.370 INFO [stderr]    |             ^^^ help: consider using `_cid` instead
Dec 17 19:05:02.370 INFO [stderr]    |
Dec 17 19:05:02.371 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 19:05:02.371 INFO [stderr] 
Dec 17 19:05:02.380 INFO [stderr] warning: variable does not need to be mutable
Dec 17 19:05:02.380 INFO [stderr]   --> src/bin/process_unix_streamed.rs:42:13
Dec 17 19:05:02.381 INFO [stderr]    |
Dec 17 19:05:02.381 INFO [stderr] 42 |         let mut l = UnixListener::bind("/tmp/bench_unixstream").unwrap();
Dec 17 19:05:02.381 INFO [stderr]    |             ----^
Dec 17 19:05:02.381 INFO [stderr]    |             |
Dec 17 19:05:02.382 INFO [stderr]    |             help: remove this `mut`
Dec 17 19:05:02.382 INFO [stderr]    |
Dec 17 19:05:02.382 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 19:05:02.382 INFO [stderr] 
Dec 17 19:05:02.383 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 19:05:02.384 INFO [stderr]   --> src/bin/process_unix_streamed.rs:41:9
Dec 17 19:05:02.384 INFO [stderr]    |
Dec 17 19:05:02.384 INFO [stderr] 41 |         remove_file("/tmp/bench_unixstream");
Dec 17 19:05:02.384 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 19:05:02.385 INFO [stderr]    |
Dec 17 19:05:02.385 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 19:05:02.385 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 19:05:02.385 INFO [stderr] 
Dec 17 19:05:02.692 INFO [stderr] warning: unused import: `yield_now`
Dec 17 19:05:02.692 INFO [stderr]   --> src/bin/process_unix_streamed_led.rs:14:19
Dec 17 19:05:02.692 INFO [stderr]    |
Dec 17 19:05:02.692 INFO [stderr] 14 | use std::thread::{yield_now, sleep};
Dec 17 19:05:02.692 INFO [stderr]    |                   ^^^^^^^^^
Dec 17 19:05:02.692 INFO [stderr]    |
Dec 17 19:05:02.692 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 17 19:05:02.692 INFO [stderr] 
Dec 17 19:05:02.692 INFO [stderr] warning: unused import: `File`
Dec 17 19:05:02.692 INFO [stderr]   --> src/bin/process_unix_streamed_led.rs:17:15
Dec 17 19:05:02.692 INFO [stderr]    |
Dec 17 19:05:02.692 INFO [stderr] 17 | use std::fs::{File, OpenOptions};
Dec 17 19:05:02.692 INFO [stderr]    |               ^^^^
Dec 17 19:05:02.692 INFO [stderr] 
Dec 17 19:05:02.704 INFO [stderr] warning: unused import: `yield_now`
Dec 17 19:05:02.704 INFO [stderr]  --> src/bin/process_tcp_streamed.rs:9:19
Dec 17 19:05:02.704 INFO [stderr]   |
Dec 17 19:05:02.704 INFO [stderr] 9 | use std::thread::{yield_now, sleep};
Dec 17 19:05:02.704 INFO [stderr]   |                   ^^^^^^^^^
Dec 17 19:05:02.704 INFO [stderr]   |
Dec 17 19:05:02.704 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 19:05:02.704 INFO [stderr] 
Dec 17 19:05:02.704 INFO [stderr] warning: unused imports: `UnixListener`, `UnixStream`
Dec 17 19:05:02.704 INFO [stderr]   --> src/bin/process_tcp_streamed.rs:10:26
Dec 17 19:05:02.704 INFO [stderr]    |
Dec 17 19:05:02.704 INFO [stderr] 10 | use std::os::unix::net::{UnixStream, UnixListener};
Dec 17 19:05:02.704 INFO [stderr]    |                          ^^^^^^^^^^  ^^^^^^^^^^^^
Dec 17 19:05:02.704 INFO [stderr] 
Dec 17 19:05:02.704 INFO [stderr] warning: unused import: `std::fs::remove_file`
Dec 17 19:05:02.704 INFO [stderr]   --> src/bin/process_tcp_streamed.rs:12:5
Dec 17 19:05:02.704 INFO [stderr]    |
Dec 17 19:05:02.704 INFO [stderr] 12 | use std::fs::remove_file;
Dec 17 19:05:02.704 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 17 19:05:02.704 INFO [stderr] 
Dec 17 19:05:02.728 INFO [stderr] warning: unused import: `yield_now`
Dec 17 19:05:02.728 INFO [stderr]  --> src/bin/process_tcp_streamed.rs:9:19
Dec 17 19:05:02.728 INFO [stderr]   |
Dec 17 19:05:02.728 INFO [stderr] 9 | use std::thread::{yield_now, sleep};
Dec 17 19:05:02.728 INFO [stderr]   |                   ^^^^^^^^^
Dec 17 19:05:02.728 INFO [stderr]   |
Dec 17 19:05:02.728 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 19:05:02.728 INFO [stderr] 
Dec 17 19:05:02.728 INFO [stderr] warning: unused imports: `UnixListener`, `UnixStream`
Dec 17 19:05:02.728 INFO [stderr]   --> src/bin/process_tcp_streamed.rs:10:26
Dec 17 19:05:02.728 INFO [stderr]    |
Dec 17 19:05:02.728 INFO [stderr] 10 | use std::os::unix::net::{UnixStream, UnixListener};
Dec 17 19:05:02.728 INFO [stderr]    |                          ^^^^^^^^^^  ^^^^^^^^^^^^
Dec 17 19:05:02.728 INFO [stderr] 
Dec 17 19:05:02.728 INFO [stderr] warning: unused import: `std::fs::remove_file`
Dec 17 19:05:02.728 INFO [stderr]   --> src/bin/process_tcp_streamed.rs:12:5
Dec 17 19:05:02.728 INFO [stderr]    |
Dec 17 19:05:02.728 INFO [stderr] 12 | use std::fs::remove_file;
Dec 17 19:05:02.728 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 17 19:05:02.728 INFO [stderr] 
Dec 17 19:05:02.776 INFO [stderr] warning: unused variable: `cid`
Dec 17 19:05:02.776 INFO [stderr]   --> src/bin/process_unix_streamed_led.rs:58:13
Dec 17 19:05:02.776 INFO [stderr]    |
Dec 17 19:05:02.776 INFO [stderr] 58 |         let cid = match &child { &Some(ref c) => c.id(), &None => 0 };
Dec 17 19:05:02.776 INFO [stderr]    |             ^^^ help: consider using `_cid` instead
Dec 17 19:05:02.776 INFO [stderr]    |
Dec 17 19:05:02.776 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 19:05:02.776 INFO [stderr] 
Dec 17 19:05:02.786 INFO [stderr] warning: variable does not need to be mutable
Dec 17 19:05:02.786 INFO [stderr]   --> src/bin/process_unix_streamed_led.rs:55:13
Dec 17 19:05:02.786 INFO [stderr]    |
Dec 17 19:05:02.786 INFO [stderr] 55 |         let mut l = UnixListener::bind("/tmp/bench_unixstream").unwrap();
Dec 17 19:05:02.786 INFO [stderr]    |             ----^
Dec 17 19:05:02.786 INFO [stderr]    |             |
Dec 17 19:05:02.786 INFO [stderr]    |             help: remove this `mut`
Dec 17 19:05:02.786 INFO [stderr]    |
Dec 17 19:05:02.786 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 19:05:02.786 INFO [stderr] 
Dec 17 19:05:02.788 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 19:05:02.789 INFO [stderr]   --> src/bin/process_unix_streamed_led.rs:54:9
Dec 17 19:05:02.789 INFO [stderr]    |
Dec 17 19:05:02.789 INFO [stderr] 54 |         remove_file("/tmp/bench_unixstream");
Dec 17 19:05:02.789 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 19:05:02.789 INFO [stderr]    |
Dec 17 19:05:02.789 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 19:05:02.789 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 19:05:02.789 INFO [stderr] 
Dec 17 19:05:02.794 INFO [stderr] warning: unused imports: `SeekFrom`, `Seek`
Dec 17 19:05:02.794 INFO [stderr]  --> src/bin/process_unix_streamed.rs:7:28
Dec 17 19:05:02.794 INFO [stderr]   |
Dec 17 19:05:02.794 INFO [stderr] 7 | use std::io::{Write, Read, Seek, SeekFrom};
Dec 17 19:05:02.794 INFO [stderr]   |                            ^^^^  ^^^^^^^^
Dec 17 19:05:02.794 INFO [stderr]   |
Dec 17 19:05:02.794 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 19:05:02.794 INFO [stderr] 
Dec 17 19:05:02.796 INFO [stderr] warning: unused import: `yield_now`
Dec 17 19:05:02.798 INFO [stderr]  --> src/bin/process_unix_streamed.rs:9:19
Dec 17 19:05:02.798 INFO [stderr]   |
Dec 17 19:05:02.798 INFO [stderr] 9 | use std::thread::{yield_now, sleep};
Dec 17 19:05:02.798 INFO [stderr]   |                   ^^^^^^^^^
Dec 17 19:05:02.798 INFO [stderr] 
Dec 17 19:05:02.798 INFO [stderr] warning: unused imports: `File`, `OpenOptions`
Dec 17 19:05:02.798 INFO [stderr]   --> src/bin/process_unix_streamed.rs:12:15
Dec 17 19:05:02.798 INFO [stderr]    |
Dec 17 19:05:02.798 INFO [stderr] 12 | use std::fs::{File, OpenOptions};
Dec 17 19:05:02.798 INFO [stderr]    |               ^^^^  ^^^^^^^^^^^
Dec 17 19:05:02.798 INFO [stderr] 
Dec 17 19:05:02.803 INFO [stderr] warning: unused variable: `cid`
Dec 17 19:05:02.803 INFO [stderr]   --> src/bin/process_tcp_streamed.rs:48:13
Dec 17 19:05:02.803 INFO [stderr]    |
Dec 17 19:05:02.803 INFO [stderr] 48 |         let cid = match &child { &Some(ref c) => c.id(), &None => 0 };
Dec 17 19:05:02.803 INFO [stderr]    |             ^^^ help: consider using `_cid` instead
Dec 17 19:05:02.803 INFO [stderr]    |
Dec 17 19:05:02.803 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 19:05:02.803 INFO [stderr] 
Dec 17 19:05:02.812 INFO [stderr] warning: variable does not need to be mutable
Dec 17 19:05:02.812 INFO [stderr]   --> src/bin/process_tcp_streamed.rs:45:13
Dec 17 19:05:02.812 INFO [stderr]    |
Dec 17 19:05:02.812 INFO [stderr] 45 |         let mut l = TcpListener::bind("127.0.0.1:6767").unwrap();
Dec 17 19:05:02.812 INFO [stderr]    |             ----^
Dec 17 19:05:02.812 INFO [stderr]    |             |
Dec 17 19:05:02.812 INFO [stderr]    |             help: remove this `mut`
Dec 17 19:05:02.828 INFO [stderr]    |
Dec 17 19:05:02.828 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 19:05:02.828 INFO [stderr] 
Dec 17 19:05:02.853 INFO [stderr] warning: unused variable: `cid`
Dec 17 19:05:02.853 INFO [stderr]   --> src/bin/process_tcp_streamed.rs:48:13
Dec 17 19:05:02.853 INFO [stderr]    |
Dec 17 19:05:02.853 INFO [stderr] 48 |         let cid = match &child { &Some(ref c) => c.id(), &None => 0 };
Dec 17 19:05:02.853 INFO [stderr]    |             ^^^ help: consider using `_cid` instead
Dec 17 19:05:02.853 INFO [stderr]    |
Dec 17 19:05:02.853 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 19:05:02.853 INFO [stderr] 
Dec 17 19:05:02.864 INFO [stderr] warning: variable does not need to be mutable
Dec 17 19:05:02.864 INFO [stderr]   --> src/bin/process_tcp_streamed.rs:45:13
Dec 17 19:05:02.864 INFO [stderr]    |
Dec 17 19:05:02.864 INFO [stderr] 45 |         let mut l = TcpListener::bind("127.0.0.1:6767").unwrap();
Dec 17 19:05:02.864 INFO [stderr]    |             ----^
Dec 17 19:05:02.864 INFO [stderr]    |             |
Dec 17 19:05:02.864 INFO [stderr]    |             help: remove this `mut`
Dec 17 19:05:02.864 INFO [stderr]    |
Dec 17 19:05:02.864 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 19:05:02.864 INFO [stderr] 
Dec 17 19:05:02.880 INFO [stderr] warning: unused variable: `cid`
Dec 17 19:05:02.880 INFO [stderr]   --> src/bin/process_unix_streamed.rs:45:13
Dec 17 19:05:02.880 INFO [stderr]    |
Dec 17 19:05:02.880 INFO [stderr] 45 |         let cid = match &child { &Some(ref c) => c.id(), &None => 0 };
Dec 17 19:05:02.880 INFO [stderr]    |             ^^^ help: consider using `_cid` instead
Dec 17 19:05:02.880 INFO [stderr]    |
Dec 17 19:05:02.880 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 19:05:02.880 INFO [stderr] 
Dec 17 19:05:02.888 INFO [stderr] warning: variable does not need to be mutable
Dec 17 19:05:02.888 INFO [stderr]   --> src/bin/process_unix_streamed.rs:42:13
Dec 17 19:05:02.888 INFO [stderr]    |
Dec 17 19:05:02.888 INFO [stderr] 42 |         let mut l = UnixListener::bind("/tmp/bench_unixstream").unwrap();
Dec 17 19:05:02.888 INFO [stderr]    |             ----^
Dec 17 19:05:02.888 INFO [stderr]    |             |
Dec 17 19:05:02.888 INFO [stderr]    |             help: remove this `mut`
Dec 17 19:05:02.888 INFO [stderr]    |
Dec 17 19:05:02.888 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 19:05:02.888 INFO [stderr] 
Dec 17 19:05:02.892 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 19:05:02.892 INFO [stderr]   --> src/bin/process_unix_streamed.rs:41:9
Dec 17 19:05:02.892 INFO [stderr]    |
Dec 17 19:05:02.892 INFO [stderr] 41 |         remove_file("/tmp/bench_unixstream");
Dec 17 19:05:02.892 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 19:05:02.892 INFO [stderr]    |
Dec 17 19:05:02.892 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 19:05:02.892 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 19:05:02.893 INFO [stderr] 
Dec 17 19:05:02.916 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.15s
Dec 17 19:05:03.699 INFO running `"docker" "inspect" "bcd01160263a56ab57b1e10e755c72cde89fbc4270080e0e99f93b456622bc39"`
Dec 17 19:05:03.946 INFO running `"docker" "rm" "-f" "bcd01160263a56ab57b1e10e755c72cde89fbc4270080e0e99f93b456622bc39"`
Dec 17 19:05:04.169 INFO [stdout] bcd01160263a56ab57b1e10e755c72cde89fbc4270080e0e99f93b456622bc39