[INFO] cloning repository mzgoddard/bench-tessel-protocol [INFO] running `"git" "clone" "--bare" "git://github.com/mzgoddard/bench-tessel-protocol.git" "work/cache/sources/gh/mzgoddard/bench-tessel-protocol"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/mzgoddard/bench-tessel-protocol'... [INFO] running `"git" "clone" "work/cache/sources/gh/mzgoddard/bench-tessel-protocol" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/mzgoddard/bench-tessel-protocol"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/mzgoddard/bench-tessel-protocol'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/mzgoddard/bench-tessel-protocol" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/mzgoddard/bench-tessel-protocol"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/mzgoddard/bench-tessel-protocol'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 8c1f5d9c87fd3cbf8f23a0cb6c3448eb29109025 [INFO] sha for GitHub repo mzgoddard/bench-tessel-protocol: 8c1f5d9c87fd3cbf8f23a0cb6c3448eb29109025 [INFO] validating manifest of mzgoddard/bench-tessel-protocol on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of mzgoddard/bench-tessel-protocol on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing mzgoddard/bench-tessel-protocol [INFO] finished frobbing mzgoddard/bench-tessel-protocol [INFO] frobbed toml for mzgoddard/bench-tessel-protocol written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/mzgoddard/bench-tessel-protocol/Cargo.toml [INFO] started frobbing mzgoddard/bench-tessel-protocol [INFO] finished frobbing mzgoddard/bench-tessel-protocol [INFO] frobbed toml for mzgoddard/bench-tessel-protocol written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/mzgoddard/bench-tessel-protocol/Cargo.toml [INFO] crate mzgoddard/bench-tessel-protocol already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tessel v0.2.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing mzgoddard/bench-tessel-protocol against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"` [INFO] [stdout] bdf73dfeb764ccd970d048cc05cee8b0b1d9915445cd850582a8938bfba7a031 [INFO] running `"docker" "start" "-a" "bdf73dfeb764ccd970d048cc05cee8b0b1d9915445cd850582a8938bfba7a031"` [INFO] [stderr] Compiling unix_socket v0.5.0 [INFO] [stderr] Compiling tessel v0.2.0 [INFO] [stderr] Compiling blinky v0.0.1 (/opt/crater/workdir) [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: `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_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: `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 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] 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_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] [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 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: `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 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: 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] Finished dev [unoptimized + debuginfo] target(s) in 4.07s [INFO] running `"docker" "inspect" "bdf73dfeb764ccd970d048cc05cee8b0b1d9915445cd850582a8938bfba7a031"` [INFO] running `"docker" "rm" "-f" "bdf73dfeb764ccd970d048cc05cee8b0b1d9915445cd850582a8938bfba7a031"` [INFO] [stdout] bdf73dfeb764ccd970d048cc05cee8b0b1d9915445cd850582a8938bfba7a031 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"` [INFO] [stdout] 2cef0d39ee9041bbec15708096d305d99e94695c49f6376f47603a21f94f7aa3 [INFO] running `"docker" "start" "-a" "2cef0d39ee9041bbec15708096d305d99e94695c49f6376f47603a21f94f7aa3"` [INFO] [stderr] Compiling blinky v0.0.1 (/opt/crater/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: `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 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] 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] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [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: 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] [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 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 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: 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: 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 2.53s [INFO] running `"docker" "inspect" "2cef0d39ee9041bbec15708096d305d99e94695c49f6376f47603a21f94f7aa3"` [INFO] running `"docker" "rm" "-f" "2cef0d39ee9041bbec15708096d305d99e94695c49f6376f47603a21f94f7aa3"` [INFO] [stdout] 2cef0d39ee9041bbec15708096d305d99e94695c49f6376f47603a21f94f7aa3 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"` [INFO] [stdout] 4adf915ed343ddf3ad1235bf725407f08e181a44e480ae63fbe5acaf9f97a93f [INFO] running `"docker" "start" "-a" "4adf915ed343ddf3ad1235bf725407f08e181a44e480ae63fbe5acaf9f97a93f"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/crater/target/debug/deps/baseline_unixstream-7d15834b3de6f62b [INFO] [stderr] Running /opt/crater/target/debug/deps/process_kmod-87dcc4283bfce8f0 [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] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/process_stdio_pipes-8ce20e3a35dde10f [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] [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/crater/target/debug/deps/process_tcp_streamed-8e3586ce26935add [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/crater/target/debug/deps/process_unix_streamed-ece1cf607497c1ec [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] [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/crater/target/debug/deps/process_unix_streamed_led-ee31bab5173263da [INFO] running `"docker" "inspect" "4adf915ed343ddf3ad1235bf725407f08e181a44e480ae63fbe5acaf9f97a93f"` [INFO] running `"docker" "rm" "-f" "4adf915ed343ddf3ad1235bf725407f08e181a44e480ae63fbe5acaf9f97a93f"` [INFO] [stdout] 4adf915ed343ddf3ad1235bf725407f08e181a44e480ae63fbe5acaf9f97a93f