Dec 18 07:55:59.048 INFO checking Direnol/Simplex-Method against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 07:55:59.049 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/Direnol/Simplex-Method:/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 18 07:55:59.324 INFO [stdout] 8519ac375bce77842d020a81f66f13033658e7278e06936c34382c3dfced9bd4
Dec 18 07:55:59.328 INFO running `"docker" "start" "-a" "8519ac375bce77842d020a81f66f13033658e7278e06936c34382c3dfced9bd4"`
Dec 18 07:56:00.064 INFO [stderr]     Checking rsimpl v0.1.0 (/opt/crater/workdir)
Dec 18 07:56:00.736 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 07:56:00.736 INFO [stderr]    --> src/simplex/structs.rs:165:13
Dec 18 07:56:00.736 INFO [stderr]     |
Dec 18 07:56:00.736 INFO [stderr] 165 |             ::std::io::stdin().read(&mut buf);
Dec 18 07:56:00.736 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:56:00.736 INFO [stderr]     |
Dec 18 07:56:00.736 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 07:56:00.736 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 07:56:00.736 INFO [stderr] 
Dec 18 07:56:00.736 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 07:56:00.736 INFO [stderr]    --> src/simplex/structs.rs:193:9
Dec 18 07:56:00.736 INFO [stderr]     |
Dec 18 07:56:00.736 INFO [stderr] 193 |         writeln!(f, "Action: {:?}, N: {}, K: {}", self.action, self.n, self.k);
Dec 18 07:56:00.736 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:56:00.736 INFO [stderr]     |
Dec 18 07:56:00.736 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 07:56:00.736 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 18 07:56:00.736 INFO [stderr] 
Dec 18 07:56:00.736 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 07:56:00.736 INFO [stderr]    --> src/simplex/structs.rs:194:9
Dec 18 07:56:00.736 INFO [stderr]     |
Dec 18 07:56:00.736 INFO [stderr] 194 |         write!(f, "X:   {: ^6}", 'z');
Dec 18 07:56:00.736 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:56:00.736 INFO [stderr]     |
Dec 18 07:56:00.736 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 07:56:00.736 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 18 07:56:00.736 INFO [stderr] 
Dec 18 07:56:00.736 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 07:56:00.736 INFO [stderr]    --> src/simplex/structs.rs:196:13
Dec 18 07:56:00.736 INFO [stderr]     |
Dec 18 07:56:00.737 INFO [stderr] 196 |             write!(f, "{:^8}", format!("x{}", i));
Dec 18 07:56:00.737 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:56:00.737 INFO [stderr]     |
Dec 18 07:56:00.737 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 07:56:00.737 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 18 07:56:00.737 INFO [stderr] 
Dec 18 07:56:00.737 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 07:56:00.737 INFO [stderr]    --> src/simplex/structs.rs:199:9
Dec 18 07:56:00.737 INFO [stderr]     |
Dec 18 07:56:00.737 INFO [stderr] 199 |         writeln!(f, " | {: ^5}", "res");
Dec 18 07:56:00.737 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:56:00.737 INFO [stderr]     |
Dec 18 07:56:00.737 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 07:56:00.737 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 18 07:56:00.737 INFO [stderr] 
Dec 18 07:56:00.737 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 07:56:00.737 INFO [stderr]    --> src/simplex/structs.rs:201:13
Dec 18 07:56:00.737 INFO [stderr]     |
Dec 18 07:56:00.737 INFO [stderr] 201 | /             writeln!(
Dec 18 07:56:00.737 INFO [stderr] 202 | |                 f,
Dec 18 07:56:00.737 INFO [stderr] 203 | |                 "{}: {:>6.3?} | {:.3}",
Dec 18 07:56:00.737 INFO [stderr] 204 | |                 self.names.get(row).or(Some(&zero)).unwrap(),
Dec 18 07:56:00.737 INFO [stderr] 205 | |                 v.0,
Dec 18 07:56:00.737 INFO [stderr] 206 | |                 v.1
Dec 18 07:56:00.737 INFO [stderr] 207 | |             );
Dec 18 07:56:00.737 INFO [stderr]     | |______________^
Dec 18 07:56:00.737 INFO [stderr]     |
Dec 18 07:56:00.737 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 07:56:00.737 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 18 07:56:00.737 INFO [stderr] 
Dec 18 07:56:00.746 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 07:56:00.746 INFO [stderr]    --> src/simplex/structs.rs:165:13
Dec 18 07:56:00.746 INFO [stderr]     |
Dec 18 07:56:00.746 INFO [stderr] 165 |             ::std::io::stdin().read(&mut buf);
Dec 18 07:56:00.746 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:56:00.746 INFO [stderr]     |
Dec 18 07:56:00.747 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 07:56:00.747 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 07:56:00.747 INFO [stderr] 
Dec 18 07:56:00.748 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 07:56:00.748 INFO [stderr]    --> src/simplex/structs.rs:193:9
Dec 18 07:56:00.748 INFO [stderr]     |
Dec 18 07:56:00.748 INFO [stderr] 193 |         writeln!(f, "Action: {:?}, N: {}, K: {}", self.action, self.n, self.k);
Dec 18 07:56:00.748 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:56:00.748 INFO [stderr]     |
Dec 18 07:56:00.748 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 07:56:00.748 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 18 07:56:00.748 INFO [stderr] 
Dec 18 07:56:00.748 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 07:56:00.748 INFO [stderr]    --> src/simplex/structs.rs:194:9
Dec 18 07:56:00.748 INFO [stderr]     |
Dec 18 07:56:00.748 INFO [stderr] 194 |         write!(f, "X:   {: ^6}", 'z');
Dec 18 07:56:00.748 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:56:00.748 INFO [stderr]     |
Dec 18 07:56:00.748 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 07:56:00.748 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 18 07:56:00.748 INFO [stderr] 
Dec 18 07:56:00.748 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 07:56:00.748 INFO [stderr]    --> src/simplex/structs.rs:196:13
Dec 18 07:56:00.748 INFO [stderr]     |
Dec 18 07:56:00.748 INFO [stderr] 196 |             write!(f, "{:^8}", format!("x{}", i));
Dec 18 07:56:00.748 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:56:00.748 INFO [stderr]     |
Dec 18 07:56:00.748 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 07:56:00.748 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 18 07:56:00.748 INFO [stderr] 
Dec 18 07:56:00.748 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 07:56:00.748 INFO [stderr]    --> src/simplex/structs.rs:199:9
Dec 18 07:56:00.748 INFO [stderr]     |
Dec 18 07:56:00.748 INFO [stderr] 199 |         writeln!(f, " | {: ^5}", "res");
Dec 18 07:56:00.748 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:56:00.748 INFO [stderr]     |
Dec 18 07:56:00.748 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 07:56:00.748 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 18 07:56:00.748 INFO [stderr] 
Dec 18 07:56:00.748 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 07:56:00.748 INFO [stderr]    --> src/simplex/structs.rs:201:13
Dec 18 07:56:00.748 INFO [stderr]     |
Dec 18 07:56:00.748 INFO [stderr] 201 | /             writeln!(
Dec 18 07:56:00.748 INFO [stderr] 202 | |                 f,
Dec 18 07:56:00.748 INFO [stderr] 203 | |                 "{}: {:>6.3?} | {:.3}",
Dec 18 07:56:00.748 INFO [stderr] 204 | |                 self.names.get(row).or(Some(&zero)).unwrap(),
Dec 18 07:56:00.748 INFO [stderr] 205 | |                 v.0,
Dec 18 07:56:00.748 INFO [stderr] 206 | |                 v.1
Dec 18 07:56:00.748 INFO [stderr] 207 | |             );
Dec 18 07:56:00.748 INFO [stderr]     | |______________^
Dec 18 07:56:00.748 INFO [stderr]     |
Dec 18 07:56:00.748 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 07:56:00.748 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 18 07:56:00.748 INFO [stderr] 
Dec 18 07:56:02.728 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.71s
Dec 18 07:56:03.476 INFO running `"docker" "inspect" "8519ac375bce77842d020a81f66f13033658e7278e06936c34382c3dfced9bd4"`
Dec 18 07:56:03.736 INFO running `"docker" "rm" "-f" "8519ac375bce77842d020a81f66f13033658e7278e06936c34382c3dfced9bd4"`
Dec 18 07:56:04.000 INFO [stdout] 8519ac375bce77842d020a81f66f13033658e7278e06936c34382c3dfced9bd4