Dec 04 14:53:23.057 INFO checking lukemckinstry/rust-ps2 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 14:53:23.057 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +1df97983eb2057dc6a8f7eb364e263b51ae23230-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 04 14:53:23.547 INFO [stdout] 823b3885f5d5b79a75f5471912541ec948a83848c6798f65bf36cdf5c7af2aaf
Dec 04 14:53:23.552 INFO running `"docker" "start" "-a" "823b3885f5d5b79a75f5471912541ec948a83848c6798f65bf36cdf5c7af2aaf"`
Dec 04 14:53:24.296 INFO [stderr] usermod: no changes
Dec 04 14:53:24.407 INFO [stderr]     Checking ps2 v0.0.1 (/source)
Dec 04 14:53:24.663 INFO [stderr] warning: unused imports: `FromRawFd`, `IntoRawFd`
Dec 04 14:53:24.663 INFO [stderr]   --> src/main.rs:25:25
Dec 04 14:53:24.663 INFO [stderr]    |
Dec 04 14:53:24.663 INFO [stderr] 25 | use std::os::unix::io::{FromRawFd, IntoRawFd};
Dec 04 14:53:24.663 INFO [stderr]    |                         ^^^^^^^^^  ^^^^^^^^^
Dec 04 14:53:24.663 INFO [stderr]    |
Dec 04 14:53:24.663 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 04 14:53:24.663 INFO [stderr] 
Dec 04 14:53:24.743 INFO [stderr] warning: unused variable: `i`
Dec 04 14:53:24.743 INFO [stderr]    --> src/main.rs:137:18
Dec 04 14:53:24.743 INFO [stderr]     |
Dec 04 14:53:24.743 INFO [stderr] 137 |             Some(i) => true,
Dec 04 14:53:24.743 INFO [stderr]     |                  ^ help: consider using `_i` instead
Dec 04 14:53:24.743 INFO [stderr]     |
Dec 04 14:53:24.743 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 04 14:53:24.743 INFO [stderr] 
Dec 04 14:53:24.743 INFO [stderr] warning: unused variable: `last_pipe`
Dec 04 14:53:24.743 INFO [stderr]    --> src/main.rs:154:13
Dec 04 14:53:24.743 INFO [stderr]     |
Dec 04 14:53:24.743 INFO [stderr] 154 |         let last_pipe: bool;
Dec 04 14:53:24.743 INFO [stderr]     |             ^^^^^^^^^ help: consider using `_last_pipe` instead
Dec 04 14:53:24.743 INFO [stderr] 
Dec 04 14:53:24.743 INFO [stderr] warning: unused variable: `file`
Dec 04 14:53:24.743 INFO [stderr]    --> src/main.rs:232:13
Dec 04 14:53:24.743 INFO [stderr]     |
Dec 04 14:53:24.743 INFO [stderr] 232 |         let file = File::create(logfile)?;
Dec 04 14:53:24.743 INFO [stderr]     |             ^^^^ help: consider using `_file` instead
Dec 04 14:53:24.743 INFO [stderr] 
Dec 04 14:53:24.743 INFO [stderr] warning: unused variable: `process`
Dec 04 14:53:24.743 INFO [stderr]    --> src/main.rs:235:17
Dec 04 14:53:24.743 INFO [stderr]     |
Dec 04 14:53:24.743 INFO [stderr] 235 |             let process = match Command::new(program)
Dec 04 14:53:24.743 INFO [stderr]     |                 ^^^^^^^ help: consider using `_process` instead
Dec 04 14:53:24.743 INFO [stderr] 
Dec 04 14:53:24.799 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 14:53:24.799 INFO [stderr]    --> src/main.rs:141:9
Dec 04 14:53:24.799 INFO [stderr]     |
Dec 04 14:53:24.799 INFO [stderr] 141 | /         match (argv.first(), index, p, argv.last()) {
Dec 04 14:53:24.803 INFO [stderr] 142 | |             (_,_,true,_) => self.chomp( &argv[..]),
Dec 04 14:53:24.803 INFO [stderr] 143 | |             (Some(&program), Some(logfile),_, Some(&"&")) => self.run_cmd_bkrg_pipe(program, &argv[1..], argv[logfile+1] ),
Dec 04 14:53:24.803 INFO [stderr] 144 | |             (Some(&program), None,_, Some(&"&")) => self.run_cmd_background(program, &argv[1..]),
Dec 04 14:53:24.803 INFO [stderr] 145 | |             (Some(&program),_,_, _) => self.run_cmd(program, &argv[1..]),
Dec 04 14:53:24.803 INFO [stderr] 146 | |             _ => Ok(()),
Dec 04 14:53:24.803 INFO [stderr] 147 | |         };
Dec 04 14:53:24.803 INFO [stderr]     | |__________^
Dec 04 14:53:24.803 INFO [stderr]     |
Dec 04 14:53:24.803 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 04 14:53:24.803 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 14:53:24.803 INFO [stderr] 
Dec 04 14:53:24.827 INFO [stderr] warning: unused imports: `FromRawFd`, `IntoRawFd`
Dec 04 14:53:24.827 INFO [stderr]   --> src/main.rs:25:25
Dec 04 14:53:24.827 INFO [stderr]    |
Dec 04 14:53:24.827 INFO [stderr] 25 | use std::os::unix::io::{FromRawFd, IntoRawFd};
Dec 04 14:53:24.827 INFO [stderr]    |                         ^^^^^^^^^  ^^^^^^^^^
Dec 04 14:53:24.827 INFO [stderr]    |
Dec 04 14:53:24.827 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 04 14:53:24.827 INFO [stderr] 
Dec 04 14:53:24.919 INFO [stderr] warning: unused variable: `i`
Dec 04 14:53:24.919 INFO [stderr]    --> src/main.rs:137:18
Dec 04 14:53:24.919 INFO [stderr]     |
Dec 04 14:53:24.919 INFO [stderr] 137 |             Some(i) => true,
Dec 04 14:53:24.919 INFO [stderr]     |                  ^ help: consider using `_i` instead
Dec 04 14:53:24.919 INFO [stderr]     |
Dec 04 14:53:24.919 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 04 14:53:24.919 INFO [stderr] 
Dec 04 14:53:24.927 INFO [stderr] warning: unused variable: `last_pipe`
Dec 04 14:53:24.927 INFO [stderr]    --> src/main.rs:154:13
Dec 04 14:53:24.927 INFO [stderr]     |
Dec 04 14:53:24.927 INFO [stderr] 154 |         let last_pipe: bool;
Dec 04 14:53:24.927 INFO [stderr]     |             ^^^^^^^^^ help: consider using `_last_pipe` instead
Dec 04 14:53:24.927 INFO [stderr] 
Dec 04 14:53:24.927 INFO [stderr] warning: unused variable: `file`
Dec 04 14:53:24.927 INFO [stderr]    --> src/main.rs:232:13
Dec 04 14:53:24.927 INFO [stderr]     |
Dec 04 14:53:24.927 INFO [stderr] 232 |         let file = File::create(logfile)?;
Dec 04 14:53:24.927 INFO [stderr]     |             ^^^^ help: consider using `_file` instead
Dec 04 14:53:24.927 INFO [stderr] 
Dec 04 14:53:24.927 INFO [stderr] warning: unused variable: `process`
Dec 04 14:53:24.927 INFO [stderr]    --> src/main.rs:235:17
Dec 04 14:53:24.927 INFO [stderr]     |
Dec 04 14:53:24.927 INFO [stderr] 235 |             let process = match Command::new(program)
Dec 04 14:53:24.927 INFO [stderr]     |                 ^^^^^^^ help: consider using `_process` instead
Dec 04 14:53:24.927 INFO [stderr] 
Dec 04 14:53:24.967 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 14:53:24.967 INFO [stderr]    --> src/main.rs:141:9
Dec 04 14:53:24.967 INFO [stderr]     |
Dec 04 14:53:24.967 INFO [stderr] 141 | /         match (argv.first(), index, p, argv.last()) {
Dec 04 14:53:24.967 INFO [stderr] 142 | |             (_,_,true,_) => self.chomp( &argv[..]),
Dec 04 14:53:24.967 INFO [stderr] 143 | |             (Some(&program), Some(logfile),_, Some(&"&")) => self.run_cmd_bkrg_pipe(program, &argv[1..], argv[logfile+1] ),
Dec 04 14:53:24.967 INFO [stderr] 144 | |             (Some(&program), None,_, Some(&"&")) => self.run_cmd_background(program, &argv[1..]),
Dec 04 14:53:24.967 INFO [stderr] 145 | |             (Some(&program),_,_, _) => self.run_cmd(program, &argv[1..]),
Dec 04 14:53:24.967 INFO [stderr] 146 | |             _ => Ok(()),
Dec 04 14:53:24.967 INFO [stderr] 147 | |         };
Dec 04 14:53:24.967 INFO [stderr]     | |__________^
Dec 04 14:53:24.967 INFO [stderr]     |
Dec 04 14:53:24.967 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 04 14:53:24.967 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 14:53:24.967 INFO [stderr] 
Dec 04 14:53:24.979 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
Dec 04 14:53:24.987 INFO [stderr] su: No module specific data is present
Dec 04 14:53:25.517 INFO running `"docker" "inspect" "823b3885f5d5b79a75f5471912541ec948a83848c6798f65bf36cdf5c7af2aaf"`
Dec 04 14:53:25.683 INFO running `"docker" "rm" "-f" "823b3885f5d5b79a75f5471912541ec948a83848c6798f65bf36cdf5c7af2aaf"`
Dec 04 14:53:25.856 INFO [stdout] 823b3885f5d5b79a75f5471912541ec948a83848c6798f65bf36cdf5c7af2aaf