Dec 17 20:25:02.357 INFO checking lukemckinstry/rust-ps2 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 20:25:02.357 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/lukemckinstry/rust-ps2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 20:25:02.832 INFO [stdout] 435c53e7ebca26a9636e9be2ca031a7ae3b5cf799f4e3891d1972b9dc6f3539e
Dec 17 20:25:02.836 INFO running `"docker" "start" "-a" "435c53e7ebca26a9636e9be2ca031a7ae3b5cf799f4e3891d1972b9dc6f3539e"`
Dec 17 20:25:04.676 INFO [stderr]     Checking ps2 v0.0.1 (/opt/crater/workdir)
Dec 17 20:25:04.948 INFO [stderr] warning: unused imports: `FromRawFd`, `IntoRawFd`
Dec 17 20:25:04.948 INFO [stderr]   --> src/main.rs:25:25
Dec 17 20:25:04.948 INFO [stderr]    |
Dec 17 20:25:04.948 INFO [stderr] 25 | use std::os::unix::io::{FromRawFd, IntoRawFd};
Dec 17 20:25:04.948 INFO [stderr]    |                         ^^^^^^^^^  ^^^^^^^^^
Dec 17 20:25:04.948 INFO [stderr]    |
Dec 17 20:25:04.948 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 17 20:25:04.948 INFO [stderr] 
Dec 17 20:25:04.976 INFO [stderr] warning: unused imports: `FromRawFd`, `IntoRawFd`
Dec 17 20:25:04.976 INFO [stderr]   --> src/main.rs:25:25
Dec 17 20:25:04.976 INFO [stderr]    |
Dec 17 20:25:04.976 INFO [stderr] 25 | use std::os::unix::io::{FromRawFd, IntoRawFd};
Dec 17 20:25:04.976 INFO [stderr]    |                         ^^^^^^^^^  ^^^^^^^^^
Dec 17 20:25:04.976 INFO [stderr]    |
Dec 17 20:25:04.976 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 17 20:25:04.976 INFO [stderr] 
Dec 17 20:25:05.036 INFO [stderr] warning: unused variable: `i`
Dec 17 20:25:05.036 INFO [stderr]    --> src/main.rs:137:18
Dec 17 20:25:05.036 INFO [stderr]     |
Dec 17 20:25:05.036 INFO [stderr] 137 |             Some(i) => true,
Dec 17 20:25:05.036 INFO [stderr]     |                  ^ help: consider using `_i` instead
Dec 17 20:25:05.036 INFO [stderr]     |
Dec 17 20:25:05.036 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 17 20:25:05.036 INFO [stderr] 
Dec 17 20:25:05.036 INFO [stderr] warning: unused variable: `last_pipe`
Dec 17 20:25:05.036 INFO [stderr]    --> src/main.rs:154:13
Dec 17 20:25:05.036 INFO [stderr]     |
Dec 17 20:25:05.036 INFO [stderr] 154 |         let last_pipe: bool;
Dec 17 20:25:05.036 INFO [stderr]     |             ^^^^^^^^^ help: consider using `_last_pipe` instead
Dec 17 20:25:05.036 INFO [stderr] 
Dec 17 20:25:05.044 INFO [stderr] warning: unused variable: `file`
Dec 17 20:25:05.044 INFO [stderr]    --> src/main.rs:232:13
Dec 17 20:25:05.044 INFO [stderr]     |
Dec 17 20:25:05.044 INFO [stderr] 232 |         let file = File::create(logfile)?;
Dec 17 20:25:05.044 INFO [stderr]     |             ^^^^ help: consider using `_file` instead
Dec 17 20:25:05.044 INFO [stderr] 
Dec 17 20:25:05.044 INFO [stderr] warning: unused variable: `process`
Dec 17 20:25:05.044 INFO [stderr]    --> src/main.rs:235:17
Dec 17 20:25:05.044 INFO [stderr]     |
Dec 17 20:25:05.044 INFO [stderr] 235 |             let process = match Command::new(program)
Dec 17 20:25:05.044 INFO [stderr]     |                 ^^^^^^^ help: consider using `_process` instead
Dec 17 20:25:05.044 INFO [stderr] 
Dec 17 20:25:05.078 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 20:25:05.078 INFO [stderr]    --> src/main.rs:141:9
Dec 17 20:25:05.078 INFO [stderr]     |
Dec 17 20:25:05.078 INFO [stderr] 141 | /         match (argv.first(), index, p, argv.last()) {
Dec 17 20:25:05.078 INFO [stderr] 142 | |             (_,_,true,_) => self.chomp( &argv[..]),
Dec 17 20:25:05.078 INFO [stderr] 143 | |             (Some(&program), Some(logfile),_, Some(&"&")) => self.run_cmd_bkrg_pipe(program, &argv[1..], argv[logfile+1] ),
Dec 17 20:25:05.078 INFO [stderr] 144 | |             (Some(&program), None,_, Some(&"&")) => self.run_cmd_background(program, &argv[1..]),
Dec 17 20:25:05.078 INFO [stderr] 145 | |             (Some(&program),_,_, _) => self.run_cmd(program, &argv[1..]),
Dec 17 20:25:05.078 INFO [stderr] 146 | |             _ => Ok(()),
Dec 17 20:25:05.078 INFO [stderr] 147 | |         };
Dec 17 20:25:05.078 INFO [stderr]     | |__________^
Dec 17 20:25:05.078 INFO [stderr]     |
Dec 17 20:25:05.078 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 17 20:25:05.078 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 20:25:05.078 INFO [stderr] 
Dec 17 20:25:05.192 INFO [stderr] warning: unused variable: `i`
Dec 17 20:25:05.192 INFO [stderr]    --> src/main.rs:137:18
Dec 17 20:25:05.192 INFO [stderr]     |
Dec 17 20:25:05.192 INFO [stderr] 137 |             Some(i) => true,
Dec 17 20:25:05.192 INFO [stderr]     |                  ^ help: consider using `_i` instead
Dec 17 20:25:05.192 INFO [stderr]     |
Dec 17 20:25:05.192 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 17 20:25:05.192 INFO [stderr] 
Dec 17 20:25:05.192 INFO [stderr] warning: unused variable: `last_pipe`
Dec 17 20:25:05.192 INFO [stderr]    --> src/main.rs:154:13
Dec 17 20:25:05.192 INFO [stderr]     |
Dec 17 20:25:05.192 INFO [stderr] 154 |         let last_pipe: bool;
Dec 17 20:25:05.192 INFO [stderr]     |             ^^^^^^^^^ help: consider using `_last_pipe` instead
Dec 17 20:25:05.192 INFO [stderr] 
Dec 17 20:25:05.192 INFO [stderr] warning: unused variable: `file`
Dec 17 20:25:05.192 INFO [stderr]    --> src/main.rs:232:13
Dec 17 20:25:05.192 INFO [stderr]     |
Dec 17 20:25:05.192 INFO [stderr] 232 |         let file = File::create(logfile)?;
Dec 17 20:25:05.192 INFO [stderr]     |             ^^^^ help: consider using `_file` instead
Dec 17 20:25:05.192 INFO [stderr] 
Dec 17 20:25:05.192 INFO [stderr] warning: unused variable: `process`
Dec 17 20:25:05.192 INFO [stderr]    --> src/main.rs:235:17
Dec 17 20:25:05.192 INFO [stderr]     |
Dec 17 20:25:05.192 INFO [stderr] 235 |             let process = match Command::new(program)
Dec 17 20:25:05.208 INFO [stderr]     |                 ^^^^^^^ help: consider using `_process` instead
Dec 17 20:25:05.208 INFO [stderr] 
Dec 17 20:25:05.253 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 20:25:05.253 INFO [stderr]    --> src/main.rs:141:9
Dec 17 20:25:05.253 INFO [stderr]     |
Dec 17 20:25:05.253 INFO [stderr] 141 | /         match (argv.first(), index, p, argv.last()) {
Dec 17 20:25:05.253 INFO [stderr] 142 | |             (_,_,true,_) => self.chomp( &argv[..]),
Dec 17 20:25:05.253 INFO [stderr] 143 | |             (Some(&program), Some(logfile),_, Some(&"&")) => self.run_cmd_bkrg_pipe(program, &argv[1..], argv[logfile+1] ),
Dec 17 20:25:05.253 INFO [stderr] 144 | |             (Some(&program), None,_, Some(&"&")) => self.run_cmd_background(program, &argv[1..]),
Dec 17 20:25:05.254 INFO [stderr] 145 | |             (Some(&program),_,_, _) => self.run_cmd(program, &argv[1..]),
Dec 17 20:25:05.254 INFO [stderr] 146 | |             _ => Ok(()),
Dec 17 20:25:05.254 INFO [stderr] 147 | |         };
Dec 17 20:25:05.254 INFO [stderr]     | |__________^
Dec 17 20:25:05.254 INFO [stderr]     |
Dec 17 20:25:05.254 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 17 20:25:05.254 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 20:25:05.254 INFO [stderr] 
Dec 17 20:25:05.283 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
Dec 17 20:25:06.208 INFO running `"docker" "inspect" "435c53e7ebca26a9636e9be2ca031a7ae3b5cf799f4e3891d1972b9dc6f3539e"`
Dec 17 20:25:06.502 INFO running `"docker" "rm" "-f" "435c53e7ebca26a9636e9be2ca031a7ae3b5cf799f4e3891d1972b9dc6f3539e"`
Dec 17 20:25:06.731 INFO [stdout] 435c53e7ebca26a9636e9be2ca031a7ae3b5cf799f4e3891d1972b9dc6f3539e