Dec 19 13:23:27.660 INFO checking lukemckinstry/rust-ps2 against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 13:23:27.661 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 13:23:28.224 INFO [stdout] 846cb76aa0f563669f495e41e8f949d3e5d3a2b62df4ef302d2fc00a5a5e322d
Dec 19 13:23:28.232 INFO running `"docker" "start" "-a" "846cb76aa0f563669f495e41e8f949d3e5d3a2b62df4ef302d2fc00a5a5e322d"`
Dec 19 13:23:29.504 INFO [stderr]     Checking ps2 v0.0.1 (/opt/crater/workdir)
Dec 19 13:23:29.684 INFO [stderr] warning: unused imports: `FromRawFd`, `IntoRawFd`
Dec 19 13:23:29.684 INFO [stderr]   --> src/main.rs:25:25
Dec 19 13:23:29.684 INFO [stderr]    |
Dec 19 13:23:29.684 INFO [stderr] 25 | use std::os::unix::io::{FromRawFd, IntoRawFd};
Dec 19 13:23:29.684 INFO [stderr]    |                         ^^^^^^^^^  ^^^^^^^^^
Dec 19 13:23:29.684 INFO [stderr]    |
Dec 19 13:23:29.684 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 13:23:29.684 INFO [stderr] 
Dec 19 13:23:29.684 INFO [stderr] warning: unused imports: `FromRawFd`, `IntoRawFd`
Dec 19 13:23:29.684 INFO [stderr]   --> src/main.rs:25:25
Dec 19 13:23:29.684 INFO [stderr]    |
Dec 19 13:23:29.684 INFO [stderr] 25 | use std::os::unix::io::{FromRawFd, IntoRawFd};
Dec 19 13:23:29.684 INFO [stderr]    |                         ^^^^^^^^^  ^^^^^^^^^
Dec 19 13:23:29.684 INFO [stderr]    |
Dec 19 13:23:29.684 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 13:23:29.684 INFO [stderr] 
Dec 19 13:23:29.783 INFO [stderr] warning: unused variable: `i`
Dec 19 13:23:29.783 INFO [stderr]    --> src/main.rs:137:18
Dec 19 13:23:29.783 INFO [stderr]     |
Dec 19 13:23:29.783 INFO [stderr] 137 |             Some(i) => true,
Dec 19 13:23:29.783 INFO [stderr]     |                  ^ help: consider using `_i` instead
Dec 19 13:23:29.783 INFO [stderr]     |
Dec 19 13:23:29.783 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 13:23:29.783 INFO [stderr] 
Dec 19 13:23:29.783 INFO [stderr] warning: unused variable: `last_pipe`
Dec 19 13:23:29.783 INFO [stderr]    --> src/main.rs:154:13
Dec 19 13:23:29.783 INFO [stderr]     |
Dec 19 13:23:29.783 INFO [stderr] 154 |         let last_pipe: bool;
Dec 19 13:23:29.783 INFO [stderr]     |             ^^^^^^^^^ help: consider using `_last_pipe` instead
Dec 19 13:23:29.783 INFO [stderr] 
Dec 19 13:23:29.785 INFO [stderr] warning: unused variable: `file`
Dec 19 13:23:29.785 INFO [stderr]    --> src/main.rs:232:13
Dec 19 13:23:29.785 INFO [stderr]     |
Dec 19 13:23:29.785 INFO [stderr] 232 |         let file = File::create(logfile)?;
Dec 19 13:23:29.785 INFO [stderr]     |             ^^^^ help: consider using `_file` instead
Dec 19 13:23:29.785 INFO [stderr] 
Dec 19 13:23:29.785 INFO [stderr] warning: unused variable: `process`
Dec 19 13:23:29.785 INFO [stderr]    --> src/main.rs:235:17
Dec 19 13:23:29.785 INFO [stderr]     |
Dec 19 13:23:29.785 INFO [stderr] 235 |             let process = match Command::new(program)
Dec 19 13:23:29.785 INFO [stderr]     |                 ^^^^^^^ help: consider using `_process` instead
Dec 19 13:23:29.785 INFO [stderr] 
Dec 19 13:23:29.804 INFO [stderr] warning: unused variable: `i`
Dec 19 13:23:29.804 INFO [stderr]    --> src/main.rs:137:18
Dec 19 13:23:29.804 INFO [stderr]     |
Dec 19 13:23:29.804 INFO [stderr] 137 |             Some(i) => true,
Dec 19 13:23:29.804 INFO [stderr]     |                  ^ help: consider using `_i` instead
Dec 19 13:23:29.804 INFO [stderr]     |
Dec 19 13:23:29.804 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 13:23:29.804 INFO [stderr] 
Dec 19 13:23:29.804 INFO [stderr] warning: unused variable: `last_pipe`
Dec 19 13:23:29.804 INFO [stderr]    --> src/main.rs:154:13
Dec 19 13:23:29.804 INFO [stderr]     |
Dec 19 13:23:29.804 INFO [stderr] 154 |         let last_pipe: bool;
Dec 19 13:23:29.804 INFO [stderr]     |             ^^^^^^^^^ help: consider using `_last_pipe` instead
Dec 19 13:23:29.804 INFO [stderr] 
Dec 19 13:23:29.804 INFO [stderr] warning: unused variable: `file`
Dec 19 13:23:29.804 INFO [stderr]    --> src/main.rs:232:13
Dec 19 13:23:29.804 INFO [stderr]     |
Dec 19 13:23:29.804 INFO [stderr] 232 |         let file = File::create(logfile)?;
Dec 19 13:23:29.804 INFO [stderr]     |             ^^^^ help: consider using `_file` instead
Dec 19 13:23:29.804 INFO [stderr] 
Dec 19 13:23:29.804 INFO [stderr] warning: unused variable: `process`
Dec 19 13:23:29.804 INFO [stderr]    --> src/main.rs:235:17
Dec 19 13:23:29.804 INFO [stderr]     |
Dec 19 13:23:29.804 INFO [stderr] 235 |             let process = match Command::new(program)
Dec 19 13:23:29.804 INFO [stderr]     |                 ^^^^^^^ help: consider using `_process` instead
Dec 19 13:23:29.804 INFO [stderr] 
Dec 19 13:23:29.832 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 13:23:29.832 INFO [stderr]    --> src/main.rs:141:9
Dec 19 13:23:29.832 INFO [stderr]     |
Dec 19 13:23:29.832 INFO [stderr] 141 | /         match (argv.first(), index, p, argv.last()) {
Dec 19 13:23:29.832 INFO [stderr] 142 | |             (_,_,true,_) => self.chomp( &argv[..]),
Dec 19 13:23:29.832 INFO [stderr] 143 | |             (Some(&program), Some(logfile),_, Some(&"&")) => self.run_cmd_bkrg_pipe(program, &argv[1..], argv[logfile+1] ),
Dec 19 13:23:29.832 INFO [stderr] 144 | |             (Some(&program), None,_, Some(&"&")) => self.run_cmd_background(program, &argv[1..]),
Dec 19 13:23:29.832 INFO [stderr] 145 | |             (Some(&program),_,_, _) => self.run_cmd(program, &argv[1..]),
Dec 19 13:23:29.832 INFO [stderr] 146 | |             _ => Ok(()),
Dec 19 13:23:29.832 INFO [stderr] 147 | |         };
Dec 19 13:23:29.832 INFO [stderr]     | |__________^
Dec 19 13:23:29.832 INFO [stderr]     |
Dec 19 13:23:29.832 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 19 13:23:29.832 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 13:23:29.832 INFO [stderr] 
Dec 19 13:23:29.872 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 13:23:29.872 INFO [stderr]    --> src/main.rs:141:9
Dec 19 13:23:29.872 INFO [stderr]     |
Dec 19 13:23:29.872 INFO [stderr] 141 | /         match (argv.first(), index, p, argv.last()) {
Dec 19 13:23:29.872 INFO [stderr] 142 | |             (_,_,true,_) => self.chomp( &argv[..]),
Dec 19 13:23:29.872 INFO [stderr] 143 | |             (Some(&program), Some(logfile),_, Some(&"&")) => self.run_cmd_bkrg_pipe(program, &argv[1..], argv[logfile+1] ),
Dec 19 13:23:29.872 INFO [stderr] 144 | |             (Some(&program), None,_, Some(&"&")) => self.run_cmd_background(program, &argv[1..]),
Dec 19 13:23:29.872 INFO [stderr] 145 | |             (Some(&program),_,_, _) => self.run_cmd(program, &argv[1..]),
Dec 19 13:23:29.872 INFO [stderr] 146 | |             _ => Ok(()),
Dec 19 13:23:29.872 INFO [stderr] 147 | |         };
Dec 19 13:23:29.872 INFO [stderr]     | |__________^
Dec 19 13:23:29.872 INFO [stderr]     |
Dec 19 13:23:29.872 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 19 13:23:29.872 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 13:23:29.872 INFO [stderr] 
Dec 19 13:23:29.921 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
Dec 19 13:23:30.648 INFO running `"docker" "inspect" "846cb76aa0f563669f495e41e8f949d3e5d3a2b62df4ef302d2fc00a5a5e322d"`
Dec 19 13:23:30.738 INFO running `"docker" "rm" "-f" "846cb76aa0f563669f495e41e8f949d3e5d3a2b62df4ef302d2fc00a5a5e322d"`
Dec 19 13:23:30.835 INFO [stdout] 846cb76aa0f563669f495e41e8f949d3e5d3a2b62df4ef302d2fc00a5a5e322d