Dec 18 07:55:59.624 INFO checking Direnol/Simplex-Method against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 07:55:59.624 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 07:56:00.049 INFO [stdout] 7b0d9f02b6553b978dfc3372b95cea2356844a367b211294f618a70d76a571c0
Dec 18 07:56:00.053 INFO running `"docker" "start" "-a" "7b0d9f02b6553b978dfc3372b95cea2356844a367b211294f618a70d76a571c0"`
Dec 18 07:56:00.820 INFO [stderr]     Checking rsimpl v0.1.0 (/opt/crater/workdir)
Dec 18 07:56:01.645 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 07:56:01.645 INFO [stderr]    --> src/simplex/structs.rs:165:13
Dec 18 07:56:01.645 INFO [stderr]     |
Dec 18 07:56:01.645 INFO [stderr] 165 |             ::std::io::stdin().read(&mut buf);
Dec 18 07:56:01.645 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:56:01.645 INFO [stderr]     |
Dec 18 07:56:01.645 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 07:56:01.645 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 07:56:01.645 INFO [stderr] 
Dec 18 07:56:01.645 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 07:56:01.645 INFO [stderr]    --> src/simplex/structs.rs:193:9
Dec 18 07:56:01.645 INFO [stderr]     |
Dec 18 07:56:01.645 INFO [stderr] 193 |         writeln!(f, "Action: {:?}, N: {}, K: {}", self.action, self.n, self.k);
Dec 18 07:56:01.645 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:56:01.645 INFO [stderr]     |
Dec 18 07:56:01.645 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 07:56:01.645 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 07:56:01.646 INFO [stderr] 
Dec 18 07:56:01.646 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 07:56:01.646 INFO [stderr]    --> src/simplex/structs.rs:194:9
Dec 18 07:56:01.646 INFO [stderr]     |
Dec 18 07:56:01.646 INFO [stderr] 194 |         write!(f, "X:   {: ^6}", 'z');
Dec 18 07:56:01.646 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:56:01.646 INFO [stderr]     |
Dec 18 07:56:01.646 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 07:56:01.646 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 07:56:01.646 INFO [stderr] 
Dec 18 07:56:01.646 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 07:56:01.646 INFO [stderr]    --> src/simplex/structs.rs:196:13
Dec 18 07:56:01.646 INFO [stderr]     |
Dec 18 07:56:01.646 INFO [stderr] 196 |             write!(f, "{:^8}", format!("x{}", i));
Dec 18 07:56:01.646 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:56:01.646 INFO [stderr]     |
Dec 18 07:56:01.646 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 07:56:01.646 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 07:56:01.646 INFO [stderr] 
Dec 18 07:56:01.646 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 07:56:01.646 INFO [stderr]    --> src/simplex/structs.rs:199:9
Dec 18 07:56:01.646 INFO [stderr]     |
Dec 18 07:56:01.646 INFO [stderr] 199 |         writeln!(f, " | {: ^5}", "res");
Dec 18 07:56:01.646 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:56:01.646 INFO [stderr]     |
Dec 18 07:56:01.646 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 07:56:01.646 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 07:56:01.646 INFO [stderr] 
Dec 18 07:56:01.646 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 07:56:01.646 INFO [stderr]    --> src/simplex/structs.rs:201:13
Dec 18 07:56:01.646 INFO [stderr]     |
Dec 18 07:56:01.646 INFO [stderr] 201 | /             writeln!(
Dec 18 07:56:01.646 INFO [stderr] 202 | |                 f,
Dec 18 07:56:01.646 INFO [stderr] 203 | |                 "{}: {:>6.3?} | {:.3}",
Dec 18 07:56:01.646 INFO [stderr] 204 | |                 self.names.get(row).or(Some(&zero)).unwrap(),
Dec 18 07:56:01.646 INFO [stderr] 205 | |                 v.0,
Dec 18 07:56:01.646 INFO [stderr] 206 | |                 v.1
Dec 18 07:56:01.646 INFO [stderr] 207 | |             );
Dec 18 07:56:01.646 INFO [stderr]     | |______________^
Dec 18 07:56:01.646 INFO [stderr]     |
Dec 18 07:56:01.646 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 07:56:01.646 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 07:56:01.646 INFO [stderr] 
Dec 18 07:56:01.737 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 07:56:01.737 INFO [stderr]    --> src/simplex/structs.rs:165:13
Dec 18 07:56:01.737 INFO [stderr]     |
Dec 18 07:56:01.738 INFO [stderr] 165 |             ::std::io::stdin().read(&mut buf);
Dec 18 07:56:01.738 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:56:01.738 INFO [stderr]     |
Dec 18 07:56:01.738 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 07:56:01.738 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 07:56:01.738 INFO [stderr] 
Dec 18 07:56:01.738 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 07:56:01.738 INFO [stderr]    --> src/simplex/structs.rs:193:9
Dec 18 07:56:01.738 INFO [stderr]     |
Dec 18 07:56:01.738 INFO [stderr] 193 |         writeln!(f, "Action: {:?}, N: {}, K: {}", self.action, self.n, self.k);
Dec 18 07:56:01.738 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:56:01.738 INFO [stderr]     |
Dec 18 07:56:01.738 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 07:56:01.738 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 07:56:01.738 INFO [stderr] 
Dec 18 07:56:01.740 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 07:56:01.740 INFO [stderr]    --> src/simplex/structs.rs:194:9
Dec 18 07:56:01.740 INFO [stderr]     |
Dec 18 07:56:01.740 INFO [stderr] 194 |         write!(f, "X:   {: ^6}", 'z');
Dec 18 07:56:01.740 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:56:01.740 INFO [stderr]     |
Dec 18 07:56:01.740 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 07:56:01.740 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 07:56:01.740 INFO [stderr] 
Dec 18 07:56:01.740 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 07:56:01.740 INFO [stderr]    --> src/simplex/structs.rs:196:13
Dec 18 07:56:01.740 INFO [stderr]     |
Dec 18 07:56:01.740 INFO [stderr] 196 |             write!(f, "{:^8}", format!("x{}", i));
Dec 18 07:56:01.740 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:56:01.740 INFO [stderr]     |
Dec 18 07:56:01.740 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 07:56:01.740 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 07:56:01.740 INFO [stderr] 
Dec 18 07:56:01.740 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 07:56:01.740 INFO [stderr]    --> src/simplex/structs.rs:199:9
Dec 18 07:56:01.740 INFO [stderr]     |
Dec 18 07:56:01.740 INFO [stderr] 199 |         writeln!(f, " | {: ^5}", "res");
Dec 18 07:56:01.740 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:56:01.740 INFO [stderr]     |
Dec 18 07:56:01.741 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 07:56:01.741 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 07:56:01.741 INFO [stderr] 
Dec 18 07:56:01.748 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 07:56:01.748 INFO [stderr]    --> src/simplex/structs.rs:201:13
Dec 18 07:56:01.748 INFO [stderr]     |
Dec 18 07:56:01.748 INFO [stderr] 201 | /             writeln!(
Dec 18 07:56:01.748 INFO [stderr] 202 | |                 f,
Dec 18 07:56:01.748 INFO [stderr] 203 | |                 "{}: {:>6.3?} | {:.3}",
Dec 18 07:56:01.748 INFO [stderr] 204 | |                 self.names.get(row).or(Some(&zero)).unwrap(),
Dec 18 07:56:01.748 INFO [stderr] 205 | |                 v.0,
Dec 18 07:56:01.748 INFO [stderr] 206 | |                 v.1
Dec 18 07:56:01.748 INFO [stderr] 207 | |             );
Dec 18 07:56:01.748 INFO [stderr]     | |______________^
Dec 18 07:56:01.748 INFO [stderr]     |
Dec 18 07:56:01.748 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 07:56:01.748 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 07:56:01.748 INFO [stderr] 
Dec 18 07:56:02.752 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.98s
Dec 18 07:56:03.698 INFO running `"docker" "inspect" "7b0d9f02b6553b978dfc3372b95cea2356844a367b211294f618a70d76a571c0"`
Dec 18 07:56:04.040 INFO running `"docker" "rm" "-f" "7b0d9f02b6553b978dfc3372b95cea2356844a367b211294f618a70d76a571c0"`
Dec 18 07:56:04.352 INFO [stdout] 7b0d9f02b6553b978dfc3372b95cea2356844a367b211294f618a70d76a571c0