Dec 19 12:09:12.330 INFO checking mzgoddard/bench-tessel-protocol against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 12:09:12.330 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 12:09:12.918 INFO [stdout] 5fd6ebd4b596a6e6ade877acd0ee0a726587783bef32eafcafe9c68751ecf89e
Dec 19 12:09:12.920 INFO running `"docker" "start" "-a" "5fd6ebd4b596a6e6ade877acd0ee0a726587783bef32eafcafe9c68751ecf89e"`
Dec 19 12:09:14.516 INFO [stderr]     Checking unix_socket v0.5.0
Dec 19 12:09:15.008 INFO [stderr]     Checking tessel v0.2.0
Dec 19 12:09:15.402 INFO [stderr]     Checking blinky v0.0.1 (/opt/crater/workdir)
Dec 19 12:09:15.574 INFO [stderr] warning: unused import: `Duration`
Dec 19 12:09:15.574 INFO [stderr]  --> src/bin/process_stdio_pipes.rs:7:26
Dec 19 12:09:15.574 INFO [stderr]   |
Dec 19 12:09:15.574 INFO [stderr] 7 | use std::time::{Instant, Duration};
Dec 19 12:09:15.574 INFO [stderr]   |                          ^^^^^^^^
Dec 19 12:09:15.574 INFO [stderr]   |
Dec 19 12:09:15.574 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 12:09:15.574 INFO [stderr] 
Dec 19 12:09:15.574 INFO [stderr] warning: unused imports: `sleep`, `yield_now`
Dec 19 12:09:15.574 INFO [stderr]  --> src/bin/process_stdio_pipes.rs:8:19
Dec 19 12:09:15.574 INFO [stderr]   |
Dec 19 12:09:15.574 INFO [stderr] 8 | use std::thread::{yield_now, sleep};
Dec 19 12:09:15.574 INFO [stderr]   |                   ^^^^^^^^^  ^^^^^
Dec 19 12:09:15.574 INFO [stderr] 
Dec 19 12:09:15.574 INFO [stderr] warning: unused imports: `UnixListener`, `UnixStream`
Dec 19 12:09:15.574 INFO [stderr]  --> src/bin/process_stdio_pipes.rs:9:26
Dec 19 12:09:15.574 INFO [stderr]   |
Dec 19 12:09:15.574 INFO [stderr] 9 | use std::os::unix::net::{UnixStream, UnixListener};
Dec 19 12:09:15.574 INFO [stderr]   |                          ^^^^^^^^^^  ^^^^^^^^^^^^
Dec 19 12:09:15.574 INFO [stderr] 
Dec 19 12:09:15.574 INFO [stderr] warning: unused import: `std::fs::remove_file`
Dec 19 12:09:15.574 INFO [stderr]   --> src/bin/process_stdio_pipes.rs:10:5
Dec 19 12:09:15.574 INFO [stderr]    |
Dec 19 12:09:15.574 INFO [stderr] 10 | use std::fs::remove_file;
Dec 19 12:09:15.574 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 19 12:09:15.574 INFO [stderr] 
Dec 19 12:09:15.584 INFO [stderr] warning: unused import: `std::iter::*`
Dec 19 12:09:15.584 INFO [stderr]  --> src/bin/baseline_unixstream.rs:6:5
Dec 19 12:09:15.584 INFO [stderr]   |
Dec 19 12:09:15.584 INFO [stderr] 6 | use std::iter::*;
Dec 19 12:09:15.584 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 19 12:09:15.584 INFO [stderr]   |
Dec 19 12:09:15.584 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 12:09:15.584 INFO [stderr] 
Dec 19 12:09:15.584 INFO [stderr] warning: unused import: `yield_now`
Dec 19 12:09:15.584 INFO [stderr]  --> src/bin/baseline_unixstream.rs:9:19
Dec 19 12:09:15.584 INFO [stderr]   |
Dec 19 12:09:15.584 INFO [stderr] 9 | use std::thread::{yield_now, sleep};
Dec 19 12:09:15.584 INFO [stderr]   |                   ^^^^^^^^^
Dec 19 12:09:15.585 INFO [stderr] 
Dec 19 12:09:15.585 INFO [stderr] warning: unused import: `UnixListener`
Dec 19 12:09:15.585 INFO [stderr]   --> src/bin/baseline_unixstream.rs:10:38
Dec 19 12:09:15.585 INFO [stderr]    |
Dec 19 12:09:15.585 INFO [stderr] 10 | use std::os::unix::net::{UnixStream, UnixListener};
Dec 19 12:09:15.585 INFO [stderr]    |                                      ^^^^^^^^^^^^
Dec 19 12:09:15.585 INFO [stderr] 
Dec 19 12:09:15.585 INFO [stderr] warning: unused import: `std::fs::remove_file`
Dec 19 12:09:15.585 INFO [stderr]   --> src/bin/baseline_unixstream.rs:11:5
Dec 19 12:09:15.585 INFO [stderr]    |
Dec 19 12:09:15.585 INFO [stderr] 11 | use std::fs::remove_file;
Dec 19 12:09:15.585 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 19 12:09:15.585 INFO [stderr] 
Dec 19 12:09:15.585 INFO [stderr] warning: unused import: `std::env::args`
Dec 19 12:09:15.585 INFO [stderr]   --> src/bin/baseline_unixstream.rs:12:5
Dec 19 12:09:15.585 INFO [stderr]    |
Dec 19 12:09:15.585 INFO [stderr] 12 | use std::env::args;
Dec 19 12:09:15.585 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 19 12:09:15.585 INFO [stderr] 
Dec 19 12:09:15.585 INFO [stderr] warning: unused import: `std::process::Command`
Dec 19 12:09:15.585 INFO [stderr]   --> src/bin/baseline_unixstream.rs:13:5
Dec 19 12:09:15.585 INFO [stderr]    |
Dec 19 12:09:15.585 INFO [stderr] 13 | use std::process::Command;
Dec 19 12:09:15.585 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:09:15.585 INFO [stderr] 
Dec 19 12:09:15.747 INFO [stderr] warning: unused import: `yield_now`
Dec 19 12:09:15.747 INFO [stderr]  --> src/bin/process_tcp_streamed.rs:9:19
Dec 19 12:09:15.747 INFO [stderr]   |
Dec 19 12:09:15.747 INFO [stderr] 9 | use std::thread::{yield_now, sleep};
Dec 19 12:09:15.747 INFO [stderr]   |                   ^^^^^^^^^
Dec 19 12:09:15.747 INFO [stderr]   |
Dec 19 12:09:15.747 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 12:09:15.747 INFO [stderr] 
Dec 19 12:09:15.747 INFO [stderr] warning: unused imports: `UnixListener`, `UnixStream`
Dec 19 12:09:15.747 INFO [stderr]   --> src/bin/process_tcp_streamed.rs:10:26
Dec 19 12:09:15.747 INFO [stderr]    |
Dec 19 12:09:15.747 INFO [stderr] 10 | use std::os::unix::net::{UnixStream, UnixListener};
Dec 19 12:09:15.747 INFO [stderr]    |                          ^^^^^^^^^^  ^^^^^^^^^^^^
Dec 19 12:09:15.747 INFO [stderr] 
Dec 19 12:09:15.747 INFO [stderr] warning: unused import: `std::fs::remove_file`
Dec 19 12:09:15.747 INFO [stderr]   --> src/bin/process_tcp_streamed.rs:12:5
Dec 19 12:09:15.747 INFO [stderr]    |
Dec 19 12:09:15.747 INFO [stderr] 12 | use std::fs::remove_file;
Dec 19 12:09:15.747 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 19 12:09:15.747 INFO [stderr] 
Dec 19 12:09:15.747 INFO [stderr] warning: unused import: `yield_now`
Dec 19 12:09:15.747 INFO [stderr]  --> src/bin/process_tcp_streamed.rs:9:19
Dec 19 12:09:15.747 INFO [stderr]   |
Dec 19 12:09:15.747 INFO [stderr] 9 | use std::thread::{yield_now, sleep};
Dec 19 12:09:15.747 INFO [stderr]   |                   ^^^^^^^^^
Dec 19 12:09:15.747 INFO [stderr]   |
Dec 19 12:09:15.747 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 12:09:15.748 INFO [stderr] 
Dec 19 12:09:15.748 INFO [stderr] warning: unused imports: `UnixListener`, `UnixStream`
Dec 19 12:09:15.748 INFO [stderr]   --> src/bin/process_tcp_streamed.rs:10:26
Dec 19 12:09:15.748 INFO [stderr]    |
Dec 19 12:09:15.748 INFO [stderr] 10 | use std::os::unix::net::{UnixStream, UnixListener};
Dec 19 12:09:15.748 INFO [stderr]    |                          ^^^^^^^^^^  ^^^^^^^^^^^^
Dec 19 12:09:15.748 INFO [stderr] 
Dec 19 12:09:15.748 INFO [stderr] warning: unused import: `std::fs::remove_file`
Dec 19 12:09:15.748 INFO [stderr]   --> src/bin/process_tcp_streamed.rs:12:5
Dec 19 12:09:15.748 INFO [stderr]    |
Dec 19 12:09:15.748 INFO [stderr] 12 | use std::fs::remove_file;
Dec 19 12:09:15.748 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 19 12:09:15.748 INFO [stderr] 
Dec 19 12:09:15.774 INFO [stderr] warning: unused imports: `SeekFrom`, `Seek`
Dec 19 12:09:15.777 INFO [stderr]  --> src/bin/process_unix_streamed.rs:7:28
Dec 19 12:09:15.777 INFO [stderr]   |
Dec 19 12:09:15.777 INFO [stderr] 7 | use std::io::{Write, Read, Seek, SeekFrom};
Dec 19 12:09:15.777 INFO [stderr]   |                            ^^^^  ^^^^^^^^
Dec 19 12:09:15.777 INFO [stderr]   |
Dec 19 12:09:15.777 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 12:09:15.777 INFO [stderr] 
Dec 19 12:09:15.777 INFO [stderr] warning: unused import: `yield_now`
Dec 19 12:09:15.777 INFO [stderr]  --> src/bin/process_unix_streamed.rs:9:19
Dec 19 12:09:15.777 INFO [stderr]   |
Dec 19 12:09:15.777 INFO [stderr] 9 | use std::thread::{yield_now, sleep};
Dec 19 12:09:15.777 INFO [stderr]   |                   ^^^^^^^^^
Dec 19 12:09:15.777 INFO [stderr] 
Dec 19 12:09:15.777 INFO [stderr] warning: unused imports: `File`, `OpenOptions`
Dec 19 12:09:15.777 INFO [stderr]   --> src/bin/process_unix_streamed.rs:12:15
Dec 19 12:09:15.777 INFO [stderr]    |
Dec 19 12:09:15.777 INFO [stderr] 12 | use std::fs::{File, OpenOptions};
Dec 19 12:09:15.777 INFO [stderr]    |               ^^^^  ^^^^^^^^^^^
Dec 19 12:09:15.777 INFO [stderr] 
Dec 19 12:09:15.797 INFO [stderr] warning: unused import: `yield_now`
Dec 19 12:09:15.797 INFO [stderr]   --> src/bin/process_unix_streamed_led.rs:14:19
Dec 19 12:09:15.797 INFO [stderr]    |
Dec 19 12:09:15.797 INFO [stderr] 14 | use std::thread::{yield_now, sleep};
Dec 19 12:09:15.797 INFO [stderr]    |                   ^^^^^^^^^
Dec 19 12:09:15.797 INFO [stderr]    |
Dec 19 12:09:15.797 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 12:09:15.797 INFO [stderr] 
Dec 19 12:09:15.797 INFO [stderr] warning: unused import: `File`
Dec 19 12:09:15.797 INFO [stderr]   --> src/bin/process_unix_streamed_led.rs:17:15
Dec 19 12:09:15.797 INFO [stderr]    |
Dec 19 12:09:15.797 INFO [stderr] 17 | use std::fs::{File, OpenOptions};
Dec 19 12:09:15.797 INFO [stderr]    |               ^^^^
Dec 19 12:09:15.797 INFO [stderr] 
Dec 19 12:09:15.832 INFO [stderr] warning: unused variable: `cid`
Dec 19 12:09:15.832 INFO [stderr]   --> src/bin/process_tcp_streamed.rs:48:13
Dec 19 12:09:15.832 INFO [stderr]    |
Dec 19 12:09:15.832 INFO [stderr] 48 |         let cid = match &child { &Some(ref c) => c.id(), &None => 0 };
Dec 19 12:09:15.832 INFO [stderr]    |             ^^^ help: consider using `_cid` instead
Dec 19 12:09:15.832 INFO [stderr]    |
Dec 19 12:09:15.832 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 12:09:15.832 INFO [stderr] 
Dec 19 12:09:15.838 INFO [stderr] warning: variable does not need to be mutable
Dec 19 12:09:15.838 INFO [stderr]   --> src/bin/process_tcp_streamed.rs:45:13
Dec 19 12:09:15.838 INFO [stderr]    |
Dec 19 12:09:15.838 INFO [stderr] 45 |         let mut l = TcpListener::bind("127.0.0.1:6767").unwrap();
Dec 19 12:09:15.838 INFO [stderr]    |             ----^
Dec 19 12:09:15.838 INFO [stderr]    |             |
Dec 19 12:09:15.838 INFO [stderr]    |             help: remove this `mut`
Dec 19 12:09:15.838 INFO [stderr]    |
Dec 19 12:09:15.838 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 12:09:15.838 INFO [stderr] 
Dec 19 12:09:15.838 INFO [stderr] warning: unused variable: `cid`
Dec 19 12:09:15.838 INFO [stderr]   --> src/bin/process_tcp_streamed.rs:48:13
Dec 19 12:09:15.838 INFO [stderr]    |
Dec 19 12:09:15.838 INFO [stderr] 48 |         let cid = match &child { &Some(ref c) => c.id(), &None => 0 };
Dec 19 12:09:15.838 INFO [stderr]    |             ^^^ help: consider using `_cid` instead
Dec 19 12:09:15.838 INFO [stderr]    |
Dec 19 12:09:15.838 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 12:09:15.838 INFO [stderr] 
Dec 19 12:09:15.848 INFO [stderr] warning: variable does not need to be mutable
Dec 19 12:09:15.848 INFO [stderr]   --> src/bin/process_tcp_streamed.rs:45:13
Dec 19 12:09:15.848 INFO [stderr]    |
Dec 19 12:09:15.848 INFO [stderr] 45 |         let mut l = TcpListener::bind("127.0.0.1:6767").unwrap();
Dec 19 12:09:15.848 INFO [stderr]    |             ----^
Dec 19 12:09:15.848 INFO [stderr]    |             |
Dec 19 12:09:15.848 INFO [stderr]    |             help: remove this `mut`
Dec 19 12:09:15.848 INFO [stderr]    |
Dec 19 12:09:15.848 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 12:09:15.848 INFO [stderr] 
Dec 19 12:09:15.871 INFO [stderr] warning: unused variable: `cid`
Dec 19 12:09:15.871 INFO [stderr]   --> src/bin/process_unix_streamed.rs:45:13
Dec 19 12:09:15.871 INFO [stderr]    |
Dec 19 12:09:15.871 INFO [stderr] 45 |         let cid = match &child { &Some(ref c) => c.id(), &None => 0 };
Dec 19 12:09:15.871 INFO [stderr]    |             ^^^ help: consider using `_cid` instead
Dec 19 12:09:15.871 INFO [stderr]    |
Dec 19 12:09:15.871 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 12:09:15.871 INFO [stderr] 
Dec 19 12:09:15.871 INFO [stderr] warning: unused import: `std::iter::*`
Dec 19 12:09:15.871 INFO [stderr]  --> src/bin/baseline_unixstream.rs:6:5
Dec 19 12:09:15.871 INFO [stderr]   |
Dec 19 12:09:15.871 INFO [stderr] 6 | use std::iter::*;
Dec 19 12:09:15.871 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 19 12:09:15.872 INFO [stderr]   |
Dec 19 12:09:15.872 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 12:09:15.872 INFO [stderr] 
Dec 19 12:09:15.872 INFO [stderr] warning: unused import: `yield_now`
Dec 19 12:09:15.872 INFO [stderr]  --> src/bin/baseline_unixstream.rs:9:19
Dec 19 12:09:15.872 INFO [stderr]   |
Dec 19 12:09:15.872 INFO [stderr] 9 | use std::thread::{yield_now, sleep};
Dec 19 12:09:15.872 INFO [stderr]   |                   ^^^^^^^^^
Dec 19 12:09:15.872 INFO [stderr] 
Dec 19 12:09:15.872 INFO [stderr] warning: unused import: `UnixListener`
Dec 19 12:09:15.872 INFO [stderr]   --> src/bin/baseline_unixstream.rs:10:38
Dec 19 12:09:15.872 INFO [stderr]    |
Dec 19 12:09:15.872 INFO [stderr] 10 | use std::os::unix::net::{UnixStream, UnixListener};
Dec 19 12:09:15.872 INFO [stderr]    |                                      ^^^^^^^^^^^^
Dec 19 12:09:15.872 INFO [stderr] 
Dec 19 12:09:15.872 INFO [stderr] warning: unused import: `std::fs::remove_file`
Dec 19 12:09:15.873 INFO [stderr]   --> src/bin/baseline_unixstream.rs:11:5
Dec 19 12:09:15.873 INFO [stderr]    |
Dec 19 12:09:15.873 INFO [stderr] 11 | use std::fs::remove_file;
Dec 19 12:09:15.873 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 19 12:09:15.873 INFO [stderr] 
Dec 19 12:09:15.873 INFO [stderr] warning: unused import: `std::env::args`
Dec 19 12:09:15.873 INFO [stderr]   --> src/bin/baseline_unixstream.rs:12:5
Dec 19 12:09:15.873 INFO [stderr]    |
Dec 19 12:09:15.873 INFO [stderr] 12 | use std::env::args;
Dec 19 12:09:15.873 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 19 12:09:15.873 INFO [stderr] 
Dec 19 12:09:15.873 INFO [stderr] warning: unused import: `std::process::Command`
Dec 19 12:09:15.873 INFO [stderr]   --> src/bin/baseline_unixstream.rs:13:5
Dec 19 12:09:15.873 INFO [stderr]    |
Dec 19 12:09:15.873 INFO [stderr] 13 | use std::process::Command;
Dec 19 12:09:15.873 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:09:15.873 INFO [stderr] 
Dec 19 12:09:15.880 INFO [stderr] warning: unused import: `yield_now`
Dec 19 12:09:15.880 INFO [stderr]   --> src/bin/process_unix_streamed_led.rs:14:19
Dec 19 12:09:15.880 INFO [stderr]    |
Dec 19 12:09:15.880 INFO [stderr] 14 | use std::thread::{yield_now, sleep};
Dec 19 12:09:15.880 INFO [stderr]    |                   ^^^^^^^^^
Dec 19 12:09:15.880 INFO [stderr]    |
Dec 19 12:09:15.880 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 12:09:15.880 INFO [stderr] 
Dec 19 12:09:15.880 INFO [stderr] warning: unused import: `File`
Dec 19 12:09:15.880 INFO [stderr]   --> src/bin/process_unix_streamed_led.rs:17:15
Dec 19 12:09:15.880 INFO [stderr]    |
Dec 19 12:09:15.880 INFO [stderr] 17 | use std::fs::{File, OpenOptions};
Dec 19 12:09:15.880 INFO [stderr]    |               ^^^^
Dec 19 12:09:15.880 INFO [stderr] 
Dec 19 12:09:15.883 INFO [stderr] warning: variable does not need to be mutable
Dec 19 12:09:15.883 INFO [stderr]   --> src/bin/process_unix_streamed.rs:42:13
Dec 19 12:09:15.883 INFO [stderr]    |
Dec 19 12:09:15.883 INFO [stderr] 42 |         let mut l = UnixListener::bind("/tmp/bench_unixstream").unwrap();
Dec 19 12:09:15.884 INFO [stderr]    |             ----^
Dec 19 12:09:15.884 INFO [stderr]    |             |
Dec 19 12:09:15.884 INFO [stderr]    |             help: remove this `mut`
Dec 19 12:09:15.884 INFO [stderr]    |
Dec 19 12:09:15.884 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 12:09:15.884 INFO [stderr] 
Dec 19 12:09:15.884 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 12:09:15.884 INFO [stderr]   --> src/bin/process_unix_streamed.rs:41:9
Dec 19 12:09:15.884 INFO [stderr]    |
Dec 19 12:09:15.884 INFO [stderr] 41 |         remove_file("/tmp/bench_unixstream");
Dec 19 12:09:15.884 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:09:15.884 INFO [stderr]    |
Dec 19 12:09:15.884 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 12:09:15.884 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 12:09:15.884 INFO [stderr] 
Dec 19 12:09:15.936 INFO [stderr] warning: unused variable: `cid`
Dec 19 12:09:15.936 INFO [stderr]   --> src/bin/process_unix_streamed_led.rs:58:13
Dec 19 12:09:15.936 INFO [stderr]    |
Dec 19 12:09:15.936 INFO [stderr] 58 |         let cid = match &child { &Some(ref c) => c.id(), &None => 0 };
Dec 19 12:09:15.936 INFO [stderr]    |             ^^^ help: consider using `_cid` instead
Dec 19 12:09:15.936 INFO [stderr]    |
Dec 19 12:09:15.936 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 12:09:15.936 INFO [stderr] 
Dec 19 12:09:15.964 INFO [stderr] warning: variable does not need to be mutable
Dec 19 12:09:15.964 INFO [stderr]   --> src/bin/process_unix_streamed_led.rs:55:13
Dec 19 12:09:15.964 INFO [stderr]    |
Dec 19 12:09:15.964 INFO [stderr] 55 |         let mut l = UnixListener::bind("/tmp/bench_unixstream").unwrap();
Dec 19 12:09:15.964 INFO [stderr]    |             ----^
Dec 19 12:09:15.964 INFO [stderr]    |             |
Dec 19 12:09:15.964 INFO [stderr]    |             help: remove this `mut`
Dec 19 12:09:15.964 INFO [stderr]    |
Dec 19 12:09:15.964 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 12:09:15.964 INFO [stderr] 
Dec 19 12:09:15.964 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 12:09:15.964 INFO [stderr]   --> src/bin/process_unix_streamed_led.rs:54:9
Dec 19 12:09:15.964 INFO [stderr]    |
Dec 19 12:09:15.964 INFO [stderr] 54 |         remove_file("/tmp/bench_unixstream");
Dec 19 12:09:15.964 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:09:15.964 INFO [stderr]    |
Dec 19 12:09:15.964 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 12:09:15.964 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 12:09:15.964 INFO [stderr] 
Dec 19 12:09:16.030 INFO [stderr] warning: unused imports: `SeekFrom`, `Seek`
Dec 19 12:09:16.030 INFO [stderr]  --> src/bin/process_unix_streamed.rs:7:28
Dec 19 12:09:16.072 INFO [stderr]   |
Dec 19 12:09:16.072 INFO [stderr] 7 | use std::io::{Write, Read, Seek, SeekFrom};
Dec 19 12:09:16.072 INFO [stderr]   |                            ^^^^  ^^^^^^^^
Dec 19 12:09:16.072 INFO [stderr]   |
Dec 19 12:09:16.072 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 12:09:16.072 INFO [stderr] 
Dec 19 12:09:16.072 INFO [stderr] warning: unused import: `yield_now`
Dec 19 12:09:16.072 INFO [stderr]  --> src/bin/process_unix_streamed.rs:9:19
Dec 19 12:09:16.072 INFO [stderr]   |
Dec 19 12:09:16.072 INFO [stderr] 9 | use std::thread::{yield_now, sleep};
Dec 19 12:09:16.072 INFO [stderr]   |                   ^^^^^^^^^
Dec 19 12:09:16.072 INFO [stderr] 
Dec 19 12:09:16.072 INFO [stderr] warning: unused imports: `File`, `OpenOptions`
Dec 19 12:09:16.072 INFO [stderr]   --> src/bin/process_unix_streamed.rs:12:15
Dec 19 12:09:16.072 INFO [stderr]    |
Dec 19 12:09:16.073 INFO [stderr] 12 | use std::fs::{File, OpenOptions};
Dec 19 12:09:16.073 INFO [stderr]    |               ^^^^  ^^^^^^^^^^^
Dec 19 12:09:16.073 INFO [stderr] 
Dec 19 12:09:16.073 INFO [stderr] warning: unused import: `std::iter::*`
Dec 19 12:09:16.073 INFO [stderr]  --> src/bin/process_kmod.rs:6:5
Dec 19 12:09:16.073 INFO [stderr]   |
Dec 19 12:09:16.073 INFO [stderr] 6 | use std::iter::*;
Dec 19 12:09:16.073 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 19 12:09:16.073 INFO [stderr]   |
Dec 19 12:09:16.073 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 12:09:16.073 INFO [stderr] 
Dec 19 12:09:16.073 INFO [stderr] warning: unused imports: `SeekFrom`, `Seek`
Dec 19 12:09:16.073 INFO [stderr]  --> src/bin/process_kmod.rs:7:28
Dec 19 12:09:16.073 INFO [stderr]   |
Dec 19 12:09:16.073 INFO [stderr] 7 | use std::io::{Write, Read, Seek, SeekFrom};
Dec 19 12:09:16.073 INFO [stderr]   |                            ^^^^  ^^^^^^^^
Dec 19 12:09:16.073 INFO [stderr] 
Dec 19 12:09:16.073 INFO [stderr] warning: unused import: `yield_now`
Dec 19 12:09:16.073 INFO [stderr]  --> src/bin/process_kmod.rs:9:19
Dec 19 12:09:16.073 INFO [stderr]   |
Dec 19 12:09:16.073 INFO [stderr] 9 | use std::thread::{yield_now, sleep};
Dec 19 12:09:16.073 INFO [stderr]   |                   ^^^^^^^^^
Dec 19 12:09:16.073 INFO [stderr] 
Dec 19 12:09:16.073 INFO [stderr] warning: unused imports: `UnixListener`, `UnixStream`
Dec 19 12:09:16.073 INFO [stderr]   --> src/bin/process_kmod.rs:10:26
Dec 19 12:09:16.073 INFO [stderr]    |
Dec 19 12:09:16.073 INFO [stderr] 10 | use std::os::unix::net::{UnixStream, UnixListener};
Dec 19 12:09:16.073 INFO [stderr]    |                          ^^^^^^^^^^  ^^^^^^^^^^^^
Dec 19 12:09:16.073 INFO [stderr] 
Dec 19 12:09:16.073 INFO [stderr] warning: unused import: `std::fs::remove_file`
Dec 19 12:09:16.073 INFO [stderr]   --> src/bin/process_kmod.rs:11:5
Dec 19 12:09:16.073 INFO [stderr]    |
Dec 19 12:09:16.073 INFO [stderr] 11 | use std::fs::remove_file;
Dec 19 12:09:16.073 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 19 12:09:16.073 INFO [stderr] 
Dec 19 12:09:16.073 INFO [stderr] warning: unused import: `File`
Dec 19 12:09:16.073 INFO [stderr]   --> src/bin/process_kmod.rs:12:15
Dec 19 12:09:16.073 INFO [stderr]    |
Dec 19 12:09:16.073 INFO [stderr] 12 | use std::fs::{File, OpenOptions};
Dec 19 12:09:16.073 INFO [stderr]    |               ^^^^
Dec 19 12:09:16.073 INFO [stderr] 
Dec 19 12:09:16.073 INFO [stderr] warning: unused import: `std::env::args`
Dec 19 12:09:16.073 INFO [stderr]   --> src/bin/process_kmod.rs:13:5
Dec 19 12:09:16.073 INFO [stderr]    |
Dec 19 12:09:16.073 INFO [stderr] 13 | use std::env::args;
Dec 19 12:09:16.073 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 19 12:09:16.073 INFO [stderr] 
Dec 19 12:09:16.073 INFO [stderr] warning: unused import: `std::process::Command`
Dec 19 12:09:16.073 INFO [stderr]   --> src/bin/process_kmod.rs:14:5
Dec 19 12:09:16.073 INFO [stderr]    |
Dec 19 12:09:16.073 INFO [stderr] 14 | use std::process::Command;
Dec 19 12:09:16.073 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:09:16.073 INFO [stderr] 
Dec 19 12:09:16.073 INFO [stderr] warning: unused import: `Duration`
Dec 19 12:09:16.073 INFO [stderr]  --> src/bin/process_stdio_pipes.rs:7:26
Dec 19 12:09:16.073 INFO [stderr]   |
Dec 19 12:09:16.073 INFO [stderr] 7 | use std::time::{Instant, Duration};
Dec 19 12:09:16.073 INFO [stderr]   |                          ^^^^^^^^
Dec 19 12:09:16.073 INFO [stderr]   |
Dec 19 12:09:16.073 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 12:09:16.073 INFO [stderr] 
Dec 19 12:09:16.073 INFO [stderr] warning: unused imports: `sleep`, `yield_now`
Dec 19 12:09:16.073 INFO [stderr]  --> src/bin/process_stdio_pipes.rs:8:19
Dec 19 12:09:16.073 INFO [stderr]   |
Dec 19 12:09:16.073 INFO [stderr] 8 | use std::thread::{yield_now, sleep};
Dec 19 12:09:16.073 INFO [stderr]   |                   ^^^^^^^^^  ^^^^^
Dec 19 12:09:16.073 INFO [stderr] 
Dec 19 12:09:16.073 INFO [stderr] warning: unused imports: `UnixListener`, `UnixStream`
Dec 19 12:09:16.073 INFO [stderr]  --> src/bin/process_stdio_pipes.rs:9:26
Dec 19 12:09:16.073 INFO [stderr]   |
Dec 19 12:09:16.074 INFO [stderr] 9 | use std::os::unix::net::{UnixStream, UnixListener};
Dec 19 12:09:16.074 INFO [stderr]   |                          ^^^^^^^^^^  ^^^^^^^^^^^^
Dec 19 12:09:16.074 INFO [stderr] 
Dec 19 12:09:16.074 INFO [stderr] warning: unused import: `std::fs::remove_file`
Dec 19 12:09:16.074 INFO [stderr]   --> src/bin/process_stdio_pipes.rs:10:5
Dec 19 12:09:16.074 INFO [stderr]    |
Dec 19 12:09:16.074 INFO [stderr] 10 | use std::fs::remove_file;
Dec 19 12:09:16.074 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 19 12:09:16.074 INFO [stderr] 
Dec 19 12:09:16.080 INFO [stderr] warning: unused variable: `cid`
Dec 19 12:09:16.080 INFO [stderr]   --> src/bin/process_unix_streamed.rs:45:13
Dec 19 12:09:16.080 INFO [stderr]    |
Dec 19 12:09:16.080 INFO [stderr] 45 |         let cid = match &child { &Some(ref c) => c.id(), &None => 0 };
Dec 19 12:09:16.080 INFO [stderr]    |             ^^^ help: consider using `_cid` instead
Dec 19 12:09:16.080 INFO [stderr]    |
Dec 19 12:09:16.080 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 12:09:16.080 INFO [stderr] 
Dec 19 12:09:16.080 INFO [stderr] warning: unused variable: `cid`
Dec 19 12:09:16.080 INFO [stderr]   --> src/bin/process_unix_streamed_led.rs:58:13
Dec 19 12:09:16.080 INFO [stderr]    |
Dec 19 12:09:16.080 INFO [stderr] 58 |         let cid = match &child { &Some(ref c) => c.id(), &None => 0 };
Dec 19 12:09:16.080 INFO [stderr]    |             ^^^ help: consider using `_cid` instead
Dec 19 12:09:16.080 INFO [stderr]    |
Dec 19 12:09:16.080 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 12:09:16.080 INFO [stderr] 
Dec 19 12:09:16.091 INFO [stderr] warning: variable does not need to be mutable
Dec 19 12:09:16.091 INFO [stderr]   --> src/bin/process_unix_streamed.rs:42:13
Dec 19 12:09:16.091 INFO [stderr]    |
Dec 19 12:09:16.091 INFO [stderr] 42 |         let mut l = UnixListener::bind("/tmp/bench_unixstream").unwrap();
Dec 19 12:09:16.091 INFO [stderr]    |             ----^
Dec 19 12:09:16.091 INFO [stderr]    |             |
Dec 19 12:09:16.091 INFO [stderr]    |             help: remove this `mut`
Dec 19 12:09:16.091 INFO [stderr]    |
Dec 19 12:09:16.091 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 12:09:16.091 INFO [stderr] 
Dec 19 12:09:16.091 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 12:09:16.091 INFO [stderr]   --> src/bin/process_unix_streamed.rs:41:9
Dec 19 12:09:16.091 INFO [stderr]    |
Dec 19 12:09:16.091 INFO [stderr] 41 |         remove_file("/tmp/bench_unixstream");
Dec 19 12:09:16.091 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:09:16.091 INFO [stderr]    |
Dec 19 12:09:16.091 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 12:09:16.091 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 12:09:16.091 INFO [stderr] 
Dec 19 12:09:16.091 INFO [stderr] warning: variable does not need to be mutable
Dec 19 12:09:16.091 INFO [stderr]   --> src/bin/process_unix_streamed_led.rs:55:13
Dec 19 12:09:16.091 INFO [stderr]    |
Dec 19 12:09:16.091 INFO [stderr] 55 |         let mut l = UnixListener::bind("/tmp/bench_unixstream").unwrap();
Dec 19 12:09:16.091 INFO [stderr]    |             ----^
Dec 19 12:09:16.091 INFO [stderr]    |             |
Dec 19 12:09:16.091 INFO [stderr]    |             help: remove this `mut`
Dec 19 12:09:16.091 INFO [stderr]    |
Dec 19 12:09:16.091 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 12:09:16.091 INFO [stderr] 
Dec 19 12:09:16.091 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 12:09:16.091 INFO [stderr]   --> src/bin/process_unix_streamed_led.rs:54:9
Dec 19 12:09:16.091 INFO [stderr]    |
Dec 19 12:09:16.092 INFO [stderr] 54 |         remove_file("/tmp/bench_unixstream");
Dec 19 12:09:16.092 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:09:16.092 INFO [stderr]    |
Dec 19 12:09:16.092 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 12:09:16.092 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 12:09:16.092 INFO [stderr] 
Dec 19 12:09:16.148 INFO [stderr] warning: unused import: `std::iter::*`
Dec 19 12:09:16.148 INFO [stderr]  --> src/bin/process_kmod.rs:6:5
Dec 19 12:09:16.148 INFO [stderr]   |
Dec 19 12:09:16.148 INFO [stderr] 6 | use std::iter::*;
Dec 19 12:09:16.148 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 19 12:09:16.148 INFO [stderr]   |
Dec 19 12:09:16.148 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 12:09:16.148 INFO [stderr] 
Dec 19 12:09:16.148 INFO [stderr] warning: unused imports: `SeekFrom`, `Seek`
Dec 19 12:09:16.148 INFO [stderr]  --> src/bin/process_kmod.rs:7:28
Dec 19 12:09:16.148 INFO [stderr]   |
Dec 19 12:09:16.148 INFO [stderr] 7 | use std::io::{Write, Read, Seek, SeekFrom};
Dec 19 12:09:16.148 INFO [stderr]   |                            ^^^^  ^^^^^^^^
Dec 19 12:09:16.148 INFO [stderr] 
Dec 19 12:09:16.148 INFO [stderr] warning: unused import: `yield_now`
Dec 19 12:09:16.148 INFO [stderr]  --> src/bin/process_kmod.rs:9:19
Dec 19 12:09:16.148 INFO [stderr]   |
Dec 19 12:09:16.148 INFO [stderr] 9 | use std::thread::{yield_now, sleep};
Dec 19 12:09:16.148 INFO [stderr]   |                   ^^^^^^^^^
Dec 19 12:09:16.148 INFO [stderr] 
Dec 19 12:09:16.148 INFO [stderr] warning: unused imports: `UnixListener`, `UnixStream`
Dec 19 12:09:16.148 INFO [stderr]   --> src/bin/process_kmod.rs:10:26
Dec 19 12:09:16.148 INFO [stderr]    |
Dec 19 12:09:16.148 INFO [stderr] 10 | use std::os::unix::net::{UnixStream, UnixListener};
Dec 19 12:09:16.148 INFO [stderr]    |                          ^^^^^^^^^^  ^^^^^^^^^^^^
Dec 19 12:09:16.148 INFO [stderr] 
Dec 19 12:09:16.148 INFO [stderr] warning: unused import: `std::fs::remove_file`
Dec 19 12:09:16.148 INFO [stderr]   --> src/bin/process_kmod.rs:11:5
Dec 19 12:09:16.148 INFO [stderr]    |
Dec 19 12:09:16.148 INFO [stderr] 11 | use std::fs::remove_file;
Dec 19 12:09:16.148 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 19 12:09:16.148 INFO [stderr] 
Dec 19 12:09:16.148 INFO [stderr] warning: unused import: `File`
Dec 19 12:09:16.148 INFO [stderr]   --> src/bin/process_kmod.rs:12:15
Dec 19 12:09:16.148 INFO [stderr]    |
Dec 19 12:09:16.148 INFO [stderr] 12 | use std::fs::{File, OpenOptions};
Dec 19 12:09:16.148 INFO [stderr]    |               ^^^^
Dec 19 12:09:16.148 INFO [stderr] 
Dec 19 12:09:16.148 INFO [stderr] warning: unused import: `std::env::args`
Dec 19 12:09:16.148 INFO [stderr]   --> src/bin/process_kmod.rs:13:5
Dec 19 12:09:16.148 INFO [stderr]    |
Dec 19 12:09:16.148 INFO [stderr] 13 | use std::env::args;
Dec 19 12:09:16.148 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 19 12:09:16.148 INFO [stderr] 
Dec 19 12:09:16.148 INFO [stderr] warning: unused import: `std::process::Command`
Dec 19 12:09:16.148 INFO [stderr]   --> src/bin/process_kmod.rs:14:5
Dec 19 12:09:16.148 INFO [stderr]    |
Dec 19 12:09:16.148 INFO [stderr] 14 | use std::process::Command;
Dec 19 12:09:16.148 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:09:16.148 INFO [stderr] 
Dec 19 12:09:16.234 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.76s
Dec 19 12:09:16.562 INFO running `"docker" "inspect" "5fd6ebd4b596a6e6ade877acd0ee0a726587783bef32eafcafe9c68751ecf89e"`
Dec 19 12:09:16.725 INFO running `"docker" "rm" "-f" "5fd6ebd4b596a6e6ade877acd0ee0a726587783bef32eafcafe9c68751ecf89e"`
Dec 19 12:09:16.836 INFO [stdout] 5fd6ebd4b596a6e6ade877acd0ee0a726587783bef32eafcafe9c68751ecf89e