[INFO] updating cached repository https://github.com/mzgoddard/bench-tessel-protocol [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 8c1f5d9c87fd3cbf8f23a0cb6c3448eb29109025 [INFO] testing mzgoddard/bench-tessel-protocol against 1.38.0 for beta-1.39-1 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmzgoddard%2Fbench-tessel-protocol" "work/builds/worker-0/source"` [INFO] [stderr] Cloning into 'work/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mzgoddard/bench-tessel-protocol on toolchain 1.38.0 [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/mzgoddard/bench-tessel-protocol [INFO] finished tweaking git repo https://github.com/mzgoddard/bench-tessel-protocol [INFO] tweaked toml for git repo https://github.com/mzgoddard/bench-tessel-protocol written to work/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/mzgoddard/bench-tessel-protocol already has a lockfile, it will not be regenerated [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"` [INFO] [stdout] e3941bf3c529e905adf77df8e403d5b615c71b9779f652e0934b7a19dcbda16d [INFO] running `"docker" "start" "-a" "e3941bf3c529e905adf77df8e403d5b615c71b9779f652e0934b7a19dcbda16d"` [INFO] [stderr] Compiling unix_socket v0.5.0 [INFO] [stderr] Compiling tessel v0.2.0 [INFO] [stderr] Compiling blinky v0.0.1 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `std::iter::*` [INFO] [stderr] --> src/bin/baseline_unixstream.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use std::iter::*; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `yield_now` [INFO] [stderr] --> src/bin/baseline_unixstream.rs:9:19 [INFO] [stderr] | [INFO] [stderr] 9 | use std::thread::{yield_now, sleep}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `UnixListener` [INFO] [stderr] --> src/bin/baseline_unixstream.rs:10:38 [INFO] [stderr] | [INFO] [stderr] 10 | use std::os::unix::net::{UnixStream, UnixListener}; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fs::remove_file` [INFO] [stderr] --> src/bin/baseline_unixstream.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use std::fs::remove_file; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::env::args` [INFO] [stderr] --> src/bin/baseline_unixstream.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | use std::env::args; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::process::Command` [INFO] [stderr] --> src/bin/baseline_unixstream.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | use std::process::Command; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `yield_now` [INFO] [stderr] --> src/bin/process_unix_streamed_led.rs:14:19 [INFO] [stderr] | [INFO] [stderr] 14 | use std::thread::{yield_now, sleep}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `File` [INFO] [stderr] --> src/bin/process_unix_streamed_led.rs:17:15 [INFO] [stderr] | [INFO] [stderr] 17 | use std::fs::{File, OpenOptions}; [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::iter::*` [INFO] [stderr] --> src/bin/process_kmod.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use std::iter::*; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `SeekFrom`, `Seek` [INFO] [stderr] --> src/bin/process_kmod.rs:7:28 [INFO] [stderr] | [INFO] [stderr] 7 | use std::io::{Write, Read, Seek, SeekFrom}; [INFO] [stderr] | ^^^^ ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `yield_now` [INFO] [stderr] --> src/bin/process_kmod.rs:9:19 [INFO] [stderr] | [INFO] [stderr] 9 | use std::thread::{yield_now, sleep}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `UnixListener`, `UnixStream` [INFO] [stderr] --> src/bin/process_kmod.rs:10:26 [INFO] [stderr] | [INFO] [stderr] 10 | use std::os::unix::net::{UnixStream, UnixListener}; [INFO] [stderr] | ^^^^^^^^^^ ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fs::remove_file` [INFO] [stderr] --> src/bin/process_kmod.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use std::fs::remove_file; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `File` [INFO] [stderr] --> src/bin/process_kmod.rs:12:15 [INFO] [stderr] | [INFO] [stderr] 12 | use std::fs::{File, OpenOptions}; [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::env::args` [INFO] [stderr] --> src/bin/process_kmod.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | use std::env::args; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::process::Command` [INFO] [stderr] --> src/bin/process_kmod.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | use std::process::Command; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `SeekFrom`, `Seek` [INFO] [stderr] --> src/bin/process_unix_streamed.rs:7:28 [INFO] [stderr] | [INFO] [stderr] 7 | use std::io::{Write, Read, Seek, SeekFrom}; [INFO] [stderr] | ^^^^ ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `yield_now` [INFO] [stderr] --> src/bin/process_unix_streamed.rs:9:19 [INFO] [stderr] | [INFO] [stderr] 9 | use std::thread::{yield_now, sleep}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `File`, `OpenOptions` [INFO] [stderr] --> src/bin/process_unix_streamed.rs:12:15 [INFO] [stderr] | [INFO] [stderr] 12 | use std::fs::{File, OpenOptions}; [INFO] [stderr] | ^^^^ ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Duration` [INFO] [stderr] --> src/bin/process_stdio_pipes.rs:7:26 [INFO] [stderr] | [INFO] [stderr] 7 | use std::time::{Instant, Duration}; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `sleep`, `yield_now` [INFO] [stderr] --> src/bin/process_stdio_pipes.rs:8:19 [INFO] [stderr] | [INFO] [stderr] 8 | use std::thread::{yield_now, sleep}; [INFO] [stderr] | ^^^^^^^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `UnixListener`, `UnixStream` [INFO] [stderr] --> src/bin/process_stdio_pipes.rs:9:26 [INFO] [stderr] | [INFO] [stderr] 9 | use std::os::unix::net::{UnixStream, UnixListener}; [INFO] [stderr] | ^^^^^^^^^^ ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fs::remove_file` [INFO] [stderr] --> src/bin/process_stdio_pipes.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use std::fs::remove_file; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `cid` [INFO] [stderr] --> src/bin/process_unix_streamed_led.rs:58:13 [INFO] [stderr] | [INFO] [stderr] 58 | let cid = match &child { &Some(ref c) => c.id(), &None => 0 }; [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_cid` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `yield_now` [INFO] [stderr] --> src/bin/process_tcp_streamed.rs:9:19 [INFO] [stderr] | [INFO] [stderr] 9 | use std::thread::{yield_now, sleep}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `UnixListener`, `UnixStream` [INFO] [stderr] --> src/bin/process_tcp_streamed.rs:10:26 [INFO] [stderr] | [INFO] [stderr] 10 | use std::os::unix::net::{UnixStream, UnixListener}; [INFO] [stderr] | ^^^^^^^^^^ ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fs::remove_file` [INFO] [stderr] --> src/bin/process_tcp_streamed.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | use std::fs::remove_file; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/process_unix_streamed_led.rs:55:13 [INFO] [stderr] | [INFO] [stderr] 55 | let mut l = UnixListener::bind("/tmp/bench_unixstream").unwrap(); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::is_ok` that must be used [INFO] [stderr] --> src/bin/process_unix_streamed_led.rs:46:17 [INFO] [stderr] | [INFO] [stderr] 46 | f.read_exact(&mut fb).is_ok(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you intended to assert that this is ok, consider `.unwrap()` instead [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bin/process_unix_streamed_led.rs:54:9 [INFO] [stderr] | [INFO] [stderr] 54 | remove_file("/tmp/bench_unixstream"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused variable: `cid` [INFO] [stderr] --> src/bin/process_unix_streamed.rs:45:13 [INFO] [stderr] | [INFO] [stderr] 45 | let cid = match &child { &Some(ref c) => c.id(), &None => 0 }; [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_cid` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `cid` [INFO] [stderr] --> src/bin/process_tcp_streamed.rs:48:13 [INFO] [stderr] | [INFO] [stderr] 48 | let cid = match &child { &Some(ref c) => c.id(), &None => 0 }; [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_cid` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/process_unix_streamed.rs:42:13 [INFO] [stderr] | [INFO] [stderr] 42 | let mut l = UnixListener::bind("/tmp/bench_unixstream").unwrap(); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bin/process_unix_streamed.rs:41:9 [INFO] [stderr] | [INFO] [stderr] 41 | remove_file("/tmp/bench_unixstream"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/process_tcp_streamed.rs:45:13 [INFO] [stderr] | [INFO] [stderr] 45 | let mut l = TcpListener::bind("127.0.0.1:6767").unwrap(); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.58s [INFO] running `"docker" "inspect" "e3941bf3c529e905adf77df8e403d5b615c71b9779f652e0934b7a19dcbda16d"` [INFO] running `"docker" "rm" "-f" "e3941bf3c529e905adf77df8e403d5b615c71b9779f652e0934b7a19dcbda16d"` [INFO] [stdout] e3941bf3c529e905adf77df8e403d5b615c71b9779f652e0934b7a19dcbda16d [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"` [INFO] [stdout] e52da6e8ed46ec9f1501cbb98141088ee8fbe4b368508c01e88119d32f0d1ed4 [INFO] running `"docker" "start" "-a" "e52da6e8ed46ec9f1501cbb98141088ee8fbe4b368508c01e88119d32f0d1ed4"` [INFO] [stderr] Compiling blinky v0.0.1 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `std::iter::*` [INFO] [stderr] --> src/bin/process_kmod.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use std::iter::*; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `SeekFrom`, `Seek` [INFO] [stderr] --> src/bin/process_kmod.rs:7:28 [INFO] [stderr] | [INFO] [stderr] 7 | use std::io::{Write, Read, Seek, SeekFrom}; [INFO] [stderr] | ^^^^ ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `yield_now` [INFO] [stderr] --> src/bin/process_kmod.rs:9:19 [INFO] [stderr] | [INFO] [stderr] 9 | use std::thread::{yield_now, sleep}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `UnixListener`, `UnixStream` [INFO] [stderr] --> src/bin/process_kmod.rs:10:26 [INFO] [stderr] | [INFO] [stderr] 10 | use std::os::unix::net::{UnixStream, UnixListener}; [INFO] [stderr] | ^^^^^^^^^^ ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fs::remove_file` [INFO] [stderr] --> src/bin/process_kmod.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use std::fs::remove_file; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `File` [INFO] [stderr] --> src/bin/process_kmod.rs:12:15 [INFO] [stderr] | [INFO] [stderr] 12 | use std::fs::{File, OpenOptions}; [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::env::args` [INFO] [stderr] --> src/bin/process_kmod.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | use std::env::args; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::process::Command` [INFO] [stderr] --> src/bin/process_kmod.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | use std::process::Command; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `SeekFrom`, `Seek` [INFO] [stderr] --> src/bin/process_unix_streamed.rs:7:28 [INFO] [stderr] | [INFO] [stderr] 7 | use std::io::{Write, Read, Seek, SeekFrom}; [INFO] [stderr] | ^^^^ ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `yield_now` [INFO] [stderr] --> src/bin/process_unix_streamed.rs:9:19 [INFO] [stderr] | [INFO] [stderr] 9 | use std::thread::{yield_now, sleep}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `File`, `OpenOptions` [INFO] [stderr] --> src/bin/process_unix_streamed.rs:12:15 [INFO] [stderr] | [INFO] [stderr] 12 | use std::fs::{File, OpenOptions}; [INFO] [stderr] | ^^^^ ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Duration` [INFO] [stderr] --> src/bin/process_stdio_pipes.rs:7:26 [INFO] [stderr] | [INFO] [stderr] 7 | use std::time::{Instant, Duration}; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `sleep`, `yield_now` [INFO] [stderr] --> src/bin/process_stdio_pipes.rs:8:19 [INFO] [stderr] | [INFO] [stderr] 8 | use std::thread::{yield_now, sleep}; [INFO] [stderr] | ^^^^^^^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `UnixListener`, `UnixStream` [INFO] [stderr] --> src/bin/process_stdio_pipes.rs:9:26 [INFO] [stderr] | [INFO] [stderr] 9 | use std::os::unix::net::{UnixStream, UnixListener}; [INFO] [stderr] | ^^^^^^^^^^ ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fs::remove_file` [INFO] [stderr] --> src/bin/process_stdio_pipes.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use std::fs::remove_file; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `yield_now` [INFO] [stderr] --> src/bin/process_unix_streamed_led.rs:14:19 [INFO] [stderr] | [INFO] [stderr] 14 | use std::thread::{yield_now, sleep}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `File` [INFO] [stderr] --> src/bin/process_unix_streamed_led.rs:17:15 [INFO] [stderr] | [INFO] [stderr] 17 | use std::fs::{File, OpenOptions}; [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `yield_now` [INFO] [stderr] --> src/bin/process_tcp_streamed.rs:9:19 [INFO] [stderr] | [INFO] [stderr] 9 | use std::thread::{yield_now, sleep}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `UnixListener`, `UnixStream` [INFO] [stderr] --> src/bin/process_tcp_streamed.rs:10:26 [INFO] [stderr] | [INFO] [stderr] 10 | use std::os::unix::net::{UnixStream, UnixListener}; [INFO] [stderr] | ^^^^^^^^^^ ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fs::remove_file` [INFO] [stderr] --> src/bin/process_tcp_streamed.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | use std::fs::remove_file; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::iter::*` [INFO] [stderr] --> src/bin/baseline_unixstream.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use std::iter::*; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `yield_now` [INFO] [stderr] --> src/bin/baseline_unixstream.rs:9:19 [INFO] [stderr] | [INFO] [stderr] 9 | use std::thread::{yield_now, sleep}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `UnixListener` [INFO] [stderr] --> src/bin/baseline_unixstream.rs:10:38 [INFO] [stderr] | [INFO] [stderr] 10 | use std::os::unix::net::{UnixStream, UnixListener}; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fs::remove_file` [INFO] [stderr] --> src/bin/baseline_unixstream.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use std::fs::remove_file; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::env::args` [INFO] [stderr] --> src/bin/baseline_unixstream.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | use std::env::args; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::process::Command` [INFO] [stderr] --> src/bin/baseline_unixstream.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | use std::process::Command; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `cid` [INFO] [stderr] --> src/bin/process_unix_streamed.rs:45:13 [INFO] [stderr] | [INFO] [stderr] 45 | let cid = match &child { &Some(ref c) => c.id(), &None => 0 }; [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_cid` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `cid` [INFO] [stderr] --> src/bin/process_unix_streamed_led.rs:58:13 [INFO] [stderr] | [INFO] [stderr] 58 | let cid = match &child { &Some(ref c) => c.id(), &None => 0 }; [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_cid` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/process_unix_streamed.rs:42:13 [INFO] [stderr] | [INFO] [stderr] 42 | let mut l = UnixListener::bind("/tmp/bench_unixstream").unwrap(); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bin/process_unix_streamed.rs:41:9 [INFO] [stderr] | [INFO] [stderr] 41 | remove_file("/tmp/bench_unixstream"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/process_unix_streamed_led.rs:55:13 [INFO] [stderr] | [INFO] [stderr] 55 | let mut l = UnixListener::bind("/tmp/bench_unixstream").unwrap(); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::is_ok` that must be used [INFO] [stderr] --> src/bin/process_unix_streamed_led.rs:46:17 [INFO] [stderr] | [INFO] [stderr] 46 | f.read_exact(&mut fb).is_ok(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you intended to assert that this is ok, consider `.unwrap()` instead [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bin/process_unix_streamed_led.rs:54:9 [INFO] [stderr] | [INFO] [stderr] 54 | remove_file("/tmp/bench_unixstream"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused variable: `cid` [INFO] [stderr] --> src/bin/process_tcp_streamed.rs:48:13 [INFO] [stderr] | [INFO] [stderr] 48 | let cid = match &child { &Some(ref c) => c.id(), &None => 0 }; [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_cid` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/process_tcp_streamed.rs:45:13 [INFO] [stderr] | [INFO] [stderr] 45 | let mut l = TcpListener::bind("127.0.0.1:6767").unwrap(); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.34s [INFO] running `"docker" "inspect" "e52da6e8ed46ec9f1501cbb98141088ee8fbe4b368508c01e88119d32f0d1ed4"` [INFO] running `"docker" "rm" "-f" "e52da6e8ed46ec9f1501cbb98141088ee8fbe4b368508c01e88119d32f0d1ed4"` [INFO] [stdout] e52da6e8ed46ec9f1501cbb98141088ee8fbe4b368508c01e88119d32f0d1ed4 [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"` [INFO] [stdout] dd068e8c3b96562d6cf2cb08fbef19e5a246052cfafbc7246bb99eb8f0a081bb [INFO] running `"docker" "start" "-a" "dd068e8c3b96562d6cf2cb08fbef19e5a246052cfafbc7246bb99eb8f0a081bb"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/baseline_unixstream-24e254d186afb24c [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/process_kmod-ce7e899725b2f00c [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/process_stdio_pipes-3558eef0971159b0 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/process_tcp_streamed-74e0e3feb10a43a1 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/process_unix_streamed-67f3fad56502fdb1 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/process_unix_streamed_led-6d9030a80d0fed45 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "dd068e8c3b96562d6cf2cb08fbef19e5a246052cfafbc7246bb99eb8f0a081bb"` [INFO] running `"docker" "rm" "-f" "dd068e8c3b96562d6cf2cb08fbef19e5a246052cfafbc7246bb99eb8f0a081bb"` [INFO] [stdout] dd068e8c3b96562d6cf2cb08fbef19e5a246052cfafbc7246bb99eb8f0a081bb