Dec 05 02:48:58.857 INFO checking Direnol/Simplex-Method against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 02:48:58.857 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 05 02:48:59.155 INFO [stdout] 19b718213aaef253ead2d17646510d0217a4875548b97de50d1e752c0c2ed496
Dec 05 02:48:59.161 INFO running `"docker" "start" "-a" "19b718213aaef253ead2d17646510d0217a4875548b97de50d1e752c0c2ed496"`
Dec 05 02:49:00.024 INFO [stderr] usermod: no changes
Dec 05 02:49:00.094 INFO [stderr]     Checking rsimpl v0.1.0 (/source)
Dec 05 02:49:01.083 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 02:49:01.083 INFO [stderr]    --> src/simplex/structs.rs:165:13
Dec 05 02:49:01.083 INFO [stderr]     |
Dec 05 02:49:01.083 INFO [stderr] 165 |             ::std::io::stdin().read(&mut buf);
Dec 05 02:49:01.083 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 02:49:01.083 INFO [stderr]     |
Dec 05 02:49:01.083 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 05 02:49:01.083 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 02:49:01.083 INFO [stderr] 
Dec 05 02:49:01.083 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 02:49:01.083 INFO [stderr]    --> src/simplex/structs.rs:193:9
Dec 05 02:49:01.083 INFO [stderr]     |
Dec 05 02:49:01.083 INFO [stderr] 193 |         writeln!(f, "Action: {:?}, N: {}, K: {}", self.action, self.n, self.k);
Dec 05 02:49:01.083 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 02:49:01.083 INFO [stderr]     |
Dec 05 02:49:01.083 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 02:49:01.083 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 05 02:49:01.083 INFO [stderr] 
Dec 05 02:49:01.083 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 02:49:01.083 INFO [stderr]    --> src/simplex/structs.rs:194:9
Dec 05 02:49:01.083 INFO [stderr]     |
Dec 05 02:49:01.083 INFO [stderr] 194 |         write!(f, "X:   {: ^6}", 'z');
Dec 05 02:49:01.083 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 02:49:01.083 INFO [stderr]     |
Dec 05 02:49:01.083 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 02:49:01.083 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 05 02:49:01.083 INFO [stderr] 
Dec 05 02:49:01.083 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 02:49:01.083 INFO [stderr]    --> src/simplex/structs.rs:196:13
Dec 05 02:49:01.083 INFO [stderr]     |
Dec 05 02:49:01.083 INFO [stderr] 196 |             write!(f, "{:^8}", format!("x{}", i));
Dec 05 02:49:01.083 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 02:49:01.083 INFO [stderr]     |
Dec 05 02:49:01.083 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 02:49:01.083 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 05 02:49:01.083 INFO [stderr] 
Dec 05 02:49:01.083 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 02:49:01.083 INFO [stderr]    --> src/simplex/structs.rs:199:9
Dec 05 02:49:01.083 INFO [stderr]     |
Dec 05 02:49:01.083 INFO [stderr] 199 |         writeln!(f, " | {: ^5}", "res");
Dec 05 02:49:01.083 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 02:49:01.084 INFO [stderr]     |
Dec 05 02:49:01.084 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 02:49:01.084 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 05 02:49:01.084 INFO [stderr] 
Dec 05 02:49:01.084 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 02:49:01.084 INFO [stderr]    --> src/simplex/structs.rs:201:13
Dec 05 02:49:01.084 INFO [stderr]     |
Dec 05 02:49:01.084 INFO [stderr] 201 | /             writeln!(
Dec 05 02:49:01.084 INFO [stderr] 202 | |                 f,
Dec 05 02:49:01.084 INFO [stderr] 203 | |                 "{}: {:>6.3?} | {:.3}",
Dec 05 02:49:01.084 INFO [stderr] 204 | |                 self.names.get(row).or(Some(&zero)).unwrap(),
Dec 05 02:49:01.084 INFO [stderr] 205 | |                 v.0,
Dec 05 02:49:01.084 INFO [stderr] 206 | |                 v.1
Dec 05 02:49:01.084 INFO [stderr] 207 | |             );
Dec 05 02:49:01.084 INFO [stderr]     | |______________^
Dec 05 02:49:01.084 INFO [stderr]     |
Dec 05 02:49:01.084 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 02:49:01.084 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 05 02:49:01.084 INFO [stderr] 
Dec 05 02:49:01.116 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 02:49:01.116 INFO [stderr]    --> src/simplex/structs.rs:165:13
Dec 05 02:49:01.116 INFO [stderr]     |
Dec 05 02:49:01.116 INFO [stderr] 165 |             ::std::io::stdin().read(&mut buf);
Dec 05 02:49:01.116 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 02:49:01.116 INFO [stderr]     |
Dec 05 02:49:01.116 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 05 02:49:01.116 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 02:49:01.116 INFO [stderr] 
Dec 05 02:49:01.116 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 02:49:01.116 INFO [stderr]    --> src/simplex/structs.rs:193:9
Dec 05 02:49:01.116 INFO [stderr]     |
Dec 05 02:49:01.116 INFO [stderr] 193 |         writeln!(f, "Action: {:?}, N: {}, K: {}", self.action, self.n, self.k);
Dec 05 02:49:01.116 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 02:49:01.116 INFO [stderr]     |
Dec 05 02:49:01.116 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 02:49:01.116 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 05 02:49:01.116 INFO [stderr] 
Dec 05 02:49:01.116 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 02:49:01.116 INFO [stderr]    --> src/simplex/structs.rs:194:9
Dec 05 02:49:01.116 INFO [stderr]     |
Dec 05 02:49:01.116 INFO [stderr] 194 |         write!(f, "X:   {: ^6}", 'z');
Dec 05 02:49:01.116 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 02:49:01.116 INFO [stderr]     |
Dec 05 02:49:01.116 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 02:49:01.116 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 05 02:49:01.116 INFO [stderr] 
Dec 05 02:49:01.116 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 02:49:01.116 INFO [stderr]    --> src/simplex/structs.rs:196:13
Dec 05 02:49:01.116 INFO [stderr]     |
Dec 05 02:49:01.116 INFO [stderr] 196 |             write!(f, "{:^8}", format!("x{}", i));
Dec 05 02:49:01.116 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 02:49:01.116 INFO [stderr]     |
Dec 05 02:49:01.116 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 02:49:01.116 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 05 02:49:01.116 INFO [stderr] 
Dec 05 02:49:01.116 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 02:49:01.116 INFO [stderr]    --> src/simplex/structs.rs:199:9
Dec 05 02:49:01.116 INFO [stderr]     |
Dec 05 02:49:01.116 INFO [stderr] 199 |         writeln!(f, " | {: ^5}", "res");
Dec 05 02:49:01.116 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 02:49:01.116 INFO [stderr]     |
Dec 05 02:49:01.116 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 02:49:01.116 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 05 02:49:01.116 INFO [stderr] 
Dec 05 02:49:01.116 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 02:49:01.116 INFO [stderr]    --> src/simplex/structs.rs:201:13
Dec 05 02:49:01.116 INFO [stderr]     |
Dec 05 02:49:01.116 INFO [stderr] 201 | /             writeln!(
Dec 05 02:49:01.116 INFO [stderr] 202 | |                 f,
Dec 05 02:49:01.116 INFO [stderr] 203 | |                 "{}: {:>6.3?} | {:.3}",
Dec 05 02:49:01.116 INFO [stderr] 204 | |                 self.names.get(row).or(Some(&zero)).unwrap(),
Dec 05 02:49:01.116 INFO [stderr] 205 | |                 v.0,
Dec 05 02:49:01.116 INFO [stderr] 206 | |                 v.1
Dec 05 02:49:01.116 INFO [stderr] 207 | |             );
Dec 05 02:49:01.116 INFO [stderr]     | |______________^
Dec 05 02:49:01.116 INFO [stderr]     |
Dec 05 02:49:01.116 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 02:49:01.116 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 05 02:49:01.116 INFO [stderr] 
Dec 05 02:49:02.499 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.44s
Dec 05 02:49:02.507 INFO [stderr] su: No module specific data is present
Dec 05 02:49:03.335 INFO running `"docker" "inspect" "19b718213aaef253ead2d17646510d0217a4875548b97de50d1e752c0c2ed496"`
Dec 05 02:49:03.525 INFO running `"docker" "rm" "-f" "19b718213aaef253ead2d17646510d0217a4875548b97de50d1e752c0c2ed496"`
Dec 05 02:49:03.787 INFO [stdout] 19b718213aaef253ead2d17646510d0217a4875548b97de50d1e752c0c2ed496