Nov 01 02:42:41.803 INFO testing mohas556/cassowaryr against 1.30.0 for beta-1.31-1
Nov 01 02:42:41.803 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-1/worker-6/1.30.0:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/beta-1.31-1/1.30.0:/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 +1.30.0 build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 01 02:42:42.094 INFO blam! 4af76a562482256e3784ae1f142b36a8c74e14b55f62cef53513718fe10a37eb
Nov 01 02:42:42.096 INFO running `"docker" "start" "-a" "4af76a562482256e3784ae1f142b36a8c74e14b55f62cef53513718fe10a37eb"`
Nov 01 02:42:42.853 INFO kablam! usermod: no changes
Nov 01 02:42:42.878 INFO kablam!    Compiling cassowaryr v0.1.0 (/source)
Nov 01 02:42:43.146 INFO kablam! warning: unnecessary parentheses around `if` condition
Nov 01 02:42:43.146 INFO kablam!     --> src/lib.rs:2055:36
Nov 01 02:42:43.146 INFO kablam!      |
Nov 01 02:42:43.146 INFO kablam! 2055 |                                 if (val > 0f64 && var.pivotable()) {
Nov 01 02:42:43.146 INFO kablam!      |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 01 02:42:43.146 INFO kablam!      |
Nov 01 02:42:43.146 INFO kablam!      = note: #[warn(unused_parens)] on by default
Nov 01 02:42:43.146 INFO kablam! 
Nov 01 02:42:43.379 INFO kablam! warning: value assigned to `prev_edit_constant` is never read
Nov 01 02:42:43.379 INFO kablam!     --> src/lib.rs:1838:25
Nov 01 02:42:43.379 INFO kablam!      |
Nov 01 02:42:43.379 INFO kablam! 1838 |                         prev_edit_constant =  some_val;
Nov 01 02:42:43.379 INFO kablam!      |                         ^^^^^^^^^^^^^^^^^^
Nov 01 02:42:43.379 INFO kablam!      |
Nov 01 02:42:43.379 INFO kablam!      = note: #[warn(unused_assignments)] on by default
Nov 01 02:42:43.379 INFO kablam! 
Nov 01 02:42:43.379 INFO kablam! warning: value assigned to `r` is never read
Nov 01 02:42:43.379 INFO kablam!     --> src/lib.rs:2006:25
Nov 01 02:42:43.379 INFO kablam!      |
Nov 01 02:42:43.379 INFO kablam! 2006 |                 let mut r: f64 = 0f64;
Nov 01 02:42:43.379 INFO kablam!      |                         ^
Nov 01 02:42:43.379 INFO kablam! 
Nov 01 02:42:44.203 INFO kablam! warning: value assigned to `prev_edit_constant` is never read
Nov 01 02:42:44.203 INFO kablam!     --> src/main.rs:1830:7
Nov 01 02:42:44.203 INFO kablam!      |
Nov 01 02:42:44.203 INFO kablam! 1830 |                         prev_edit_constant =  some_val;
Nov 01 02:42:44.203 INFO kablam!      |                         ^^^^^^^^^^^^^^^^^^
Nov 01 02:42:44.203 INFO kablam!      |
Nov 01 02:42:44.203 INFO kablam!      = note: #[warn(unused_assignments)] on by default
Nov 01 02:42:44.203 INFO kablam! 
Nov 01 02:42:44.203 INFO kablam! warning: value assigned to `r` is never read
Nov 01 02:42:44.203 INFO kablam!     --> src/main.rs:1997:25
Nov 01 02:42:44.203 INFO kablam!      |
Nov 01 02:42:44.203 INFO kablam! 1997 |                 let mut r: f64 = 0f64;
Nov 01 02:42:44.203 INFO kablam!      |                         ^
Nov 01 02:42:44.203 INFO kablam! 
Nov 01 02:42:44.235 INFO kablam! warning: variable does not need to be mutable
Nov 01 02:42:44.235 INFO kablam!    --> src/main.rs:863:14
Nov 01 02:42:44.235 INFO kablam!     |
Nov 01 02:42:44.235 INFO kablam! 863 |             let mut expr = Rc::new(Expression::new_blank());
Nov 01 02:42:44.235 INFO kablam!     |                 ----^^^^
Nov 01 02:42:44.235 INFO kablam!     |                 |
Nov 01 02:42:44.235 INFO kablam!     |                 help: remove this `mut`
Nov 01 02:42:44.235 INFO kablam!     |
Nov 01 02:42:44.235 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 01 02:42:44.235 INFO kablam! 
Nov 01 02:42:44.236 INFO kablam! warning: variable does not need to be mutable
Nov 01 02:42:44.236 INFO kablam!    --> src/main.rs:915:21
Nov 01 02:42:44.236 INFO kablam!     |
Nov 01 02:42:44.236 INFO kablam! 915 |                 let mut expr = Rc::new(Expression::new_single_variable(var_two));
Nov 01 02:42:44.236 INFO kablam!     |                     ----^^^^
Nov 01 02:42:44.236 INFO kablam!     |                     |
Nov 01 02:42:44.236 INFO kablam!     |                     help: remove this `mut`
Nov 01 02:42:44.236 INFO kablam! 
Nov 01 02:42:44.237 INFO kablam! warning: variable does not need to be mutable
Nov 01 02:42:44.237 INFO kablam!    --> src/main.rs:937:17
Nov 01 02:42:44.237 INFO kablam!     |
Nov 01 02:42:44.237 INFO kablam! 937 |             let mut cexpr: Rc<Expression> = expr.clone();
Nov 01 02:42:44.237 INFO kablam!     |                 ----^^^^^
Nov 01 02:42:44.237 INFO kablam!     |                 |
Nov 01 02:42:44.237 INFO kablam!     |                 help: remove this `mut`
Nov 01 02:42:44.237 INFO kablam! 
Nov 01 02:42:44.238 INFO kablam! warning: variable does not need to be mutable
Nov 01 02:42:44.238 INFO kablam!    --> src/main.rs:966:17
Nov 01 02:42:44.238 INFO kablam!     |
Nov 01 02:42:44.238 INFO kablam! 966 |             let mut expr = expr_two.clone();
Nov 01 02:42:44.238 INFO kablam!     |                 ----^^^^
Nov 01 02:42:44.238 INFO kablam!     |                 |
Nov 01 02:42:44.238 INFO kablam!     |                 help: remove this `mut`
Nov 01 02:42:44.238 INFO kablam! 
Nov 01 02:42:44.240 INFO kablam! warning: variable does not need to be mutable
Nov 01 02:42:44.240 INFO kablam!     --> src/main.rs:1146:17
Nov 01 02:42:44.241 INFO kablam!      |
Nov 01 02:42:44.241 INFO kablam! 1146 |             let mut expr = Rc::new(Expression::new_blank());
Nov 01 02:42:44.241 INFO kablam!      |                 ----^^^^
Nov 01 02:42:44.241 INFO kablam!      |                 |
Nov 01 02:42:44.241 INFO kablam!      |                 help: remove this `mut`
Nov 01 02:42:44.241 INFO kablam! 
Nov 01 02:42:44.260 INFO kablam! warning: variable does not need to be mutable
Nov 01 02:42:44.260 INFO kablam!     --> src/main.rs:1268:17
Nov 01 02:42:44.260 INFO kablam!      |
Nov 01 02:42:44.260 INFO kablam! 1268 |             let mut prev_edit_constant = 0f64;
Nov 01 02:42:44.260 INFO kablam!      |                 ----^^^^^^^^^^^^^^^^^^
Nov 01 02:42:44.260 INFO kablam!      |                 |
Nov 01 02:42:44.260 INFO kablam!      |                 help: remove this `mut`
Nov 01 02:42:44.260 INFO kablam! 
Nov 01 02:42:44.260 INFO kablam! warning: variable does not need to be mutable
Nov 01 02:42:44.260 INFO kablam!     --> src/main.rs:1270:17
Nov 01 02:42:44.260 INFO kablam!      |
Nov 01 02:42:44.260 INFO kablam! 1270 |             let mut expr = self.new_expression(constraint,
Nov 01 02:42:44.260 INFO kablam!      |                 ----^^^^
Nov 01 02:42:44.261 INFO kablam!      |                 |
Nov 01 02:42:44.261 INFO kablam!      |                 help: remove this `mut`
Nov 01 02:42:44.261 INFO kablam! 
Nov 01 02:42:44.261 INFO kablam! warning: variable does not need to be mutable
Nov 01 02:42:44.261 INFO kablam!     --> src/main.rs:1389:22
Nov 01 02:42:44.261 INFO kablam!      |
Nov 01 02:42:44.261 INFO kablam! 1389 |                 Some(mut expr) => {
Nov 01 02:42:44.261 INFO kablam!      |                      ----^^^^
Nov 01 02:42:44.261 INFO kablam!      |                      |
Nov 01 02:42:44.261 INFO kablam!      |                      help: remove this `mut`
Nov 01 02:42:44.261 INFO kablam! 
Nov 01 02:42:44.270 INFO kablam! warning: variable does not need to be mutable
Nov 01 02:42:44.270 INFO kablam!     --> src/main.rs:1429:17
Nov 01 02:42:44.270 INFO kablam!      |
Nov 01 02:42:44.270 INFO kablam! 1429 |             let mut obj_row: Rc<Expression> = self.get_row_expression(&obj).unwrap();
Nov 01 02:42:44.270 INFO kablam!      |                 ----^^^^^^^
Nov 01 02:42:44.270 INFO kablam!      |                 |
Nov 01 02:42:44.270 INFO kablam!      |                 help: remove this `mut`
Nov 01 02:42:44.270 INFO kablam! 
Nov 01 02:42:44.272 INFO kablam! warning: variable does not need to be mutable
Nov 01 02:42:44.272 INFO kablam!     --> src/main.rs:1432:17
Nov 01 02:42:44.272 INFO kablam!      |
Nov 01 02:42:44.272 INFO kablam! 1432 |             let mut error_option = self.error_vars.borrow_mut().get(constraint).map(|x| x.clone());
Nov 01 02:42:44.272 INFO kablam!      |                 ----^^^^^^^^^^^^
Nov 01 02:42:44.272 INFO kablam!      |                 |
Nov 01 02:42:44.272 INFO kablam!      |                 help: remove this `mut`
Nov 01 02:42:44.272 INFO kablam! 
Nov 01 02:42:44.286 INFO kablam! warning: variable does not need to be mutable
Nov 01 02:42:44.286 INFO kablam!     --> src/main.rs:1760:25
Nov 01 02:42:44.286 INFO kablam!      |
Nov 01 02:42:44.286 INFO kablam! 1760 |                     let mut row_expr = self.get_row_expression(&obj).unwrap();
Nov 01 02:42:44.286 INFO kablam!      |                         ----^^^^^^^^
Nov 01 02:42:44.286 INFO kablam!      |                         |
Nov 01 02:42:44.286 INFO kablam!      |                         help: remove this `mut`
Nov 01 02:42:44.286 INFO kablam! 
Nov 01 02:42:44.286 INFO kablam! warning: variable does not need to be mutable
Nov 01 02:42:44.286 INFO kablam!     --> src/main.rs:1800:25
Nov 01 02:42:44.286 INFO kablam!      |
Nov 01 02:42:44.286 INFO kablam! 1800 |                     let mut row_expr = self.get_row_expression(&obj).unwrap();
Nov 01 02:42:44.286 INFO kablam!      |                         ----^^^^^^^^
Nov 01 02:42:44.286 INFO kablam!      |                         |
Nov 01 02:42:44.286 INFO kablam!      |                         help: remove this `mut`
Nov 01 02:42:44.286 INFO kablam! 
Nov 01 02:42:44.286 INFO kablam! warning: variable does not need to be mutable
Nov 01 02:42:44.286 INFO kablam!     --> src/main.rs:1816:25
Nov 01 02:42:44.286 INFO kablam!      |
Nov 01 02:42:44.286 INFO kablam! 1816 |                     let mut some_val = constraint_expr.mref.borrow().clone().constant.clone();
Nov 01 02:42:44.286 INFO kablam!      |                         ----^^^^^^^^
Nov 01 02:42:44.286 INFO kablam!      |                         |
Nov 01 02:42:44.286 INFO kablam!      |                         help: remove this `mut`
Nov 01 02:42:44.286 INFO kablam! 
Nov 01 02:42:44.303 INFO kablam! warning: variable does not need to be mutable
Nov 01 02:42:44.303 INFO kablam!     --> src/main.rs:2038:17
Nov 01 02:42:44.303 INFO kablam!      |
Nov 01 02:42:44.303 INFO kablam! 2038 |             let mut len = self.infeasible_rows.borrow().len();
Nov 01 02:42:44.303 INFO kablam!      |                 ----^^^
Nov 01 02:42:44.303 INFO kablam!      |                 |
Nov 01 02:42:44.303 INFO kablam!      |                 help: remove this `mut`
Nov 01 02:42:44.303 INFO kablam! 
Nov 01 02:42:44.311 INFO kablam! warning: variable does not need to be mutable
Nov 01 02:42:44.311 INFO kablam!     --> src/main.rs:2184:14
Nov 01 02:42:44.311 INFO kablam!      |
Nov 01 02:42:44.311 INFO kablam! 2184 |             let mut m = self.columns.borrow().clone();
Nov 01 02:42:44.311 INFO kablam!      |                 ----^
Nov 01 02:42:44.311 INFO kablam!      |                 |
Nov 01 02:42:44.311 INFO kablam!      |                 help: remove this `mut`
Nov 01 02:42:44.311 INFO kablam! 
Nov 01 02:42:44.340 INFO kablam! warning: unused `std::result::Result` which must be used
Nov 01 02:42:44.340 INFO kablam!     --> src/main.rs:1216:10
Nov 01 02:42:44.340 INFO kablam!      |
Nov 01 02:42:44.340 INFO kablam! 1216 |             self.add_constraint(&c);
Nov 01 02:42:44.340 INFO kablam!      |             ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 02:42:44.340 INFO kablam!      |
Nov 01 02:42:44.340 INFO kablam!      = note: #[warn(unused_must_use)] on by default
Nov 01 02:42:44.340 INFO kablam!      = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 02:42:44.340 INFO kablam! 
Nov 01 02:42:44.341 INFO kablam! warning: unused `std::result::Result` which must be used
Nov 01 02:42:44.341 INFO kablam!     --> src/main.rs:1280:21
Nov 01 02:42:44.341 INFO kablam!      |
Nov 01 02:42:44.341 INFO kablam! 1280 |                     self.add_with_artificial(&expr);
Nov 01 02:42:44.341 INFO kablam!      |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 02:42:44.341 INFO kablam!      |
Nov 01 02:42:44.341 INFO kablam!      = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 02:42:44.341 INFO kablam! 
Nov 01 02:42:44.341 INFO kablam! warning: unused `std::result::Result` which must be used
Nov 01 02:42:44.341 INFO kablam!     --> src/main.rs:1307:17
Nov 01 02:42:44.341 INFO kablam!      |
Nov 01 02:42:44.341 INFO kablam! 1307 |                 self.optimise(&obj);
Nov 01 02:42:44.341 INFO kablam!      |                 ^^^^^^^^^^^^^^^^^^^^
Nov 01 02:42:44.341 INFO kablam!      |
Nov 01 02:42:44.341 INFO kablam!      = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 02:42:44.341 INFO kablam! 
Nov 01 02:42:44.342 INFO kablam! warning: unused `std::result::Result` which must be used
Nov 01 02:42:44.342 INFO kablam!     --> src/main.rs:1373:13
Nov 01 02:42:44.342 INFO kablam!      |
Nov 01 02:42:44.342 INFO kablam! 1373 |             self.optimise(&obj_var);
Nov 01 02:42:44.342 INFO kablam!      |             ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 02:42:44.342 INFO kablam!      |
Nov 01 02:42:44.342 INFO kablam!      = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 02:42:44.342 INFO kablam! 
Nov 01 02:42:44.342 INFO kablam! warning: unused `std::result::Result` which must be used
Nov 01 02:42:44.342 INFO kablam!     --> src/main.rs:1401:29
Nov 01 02:42:44.342 INFO kablam!      |
Nov 01 02:42:44.342 INFO kablam! 1401 |                             self.pivot(&entry_var, &slack_var);
Nov 01 02:42:44.342 INFO kablam!      |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 02:42:44.342 INFO kablam!      |
Nov 01 02:42:44.342 INFO kablam!      = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 02:42:44.342 INFO kablam! 
Nov 01 02:42:44.342 INFO kablam! warning: unused `std::result::Result` which must be used
Nov 01 02:42:44.342 INFO kablam!     --> src/main.rs:1514:25
Nov 01 02:42:44.342 INFO kablam!      |
Nov 01 02:42:44.342 INFO kablam! 1514 |                         self.pivot(&marker, &exit_var.unwrap());
Nov 01 02:42:44.342 INFO kablam!      |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 02:42:44.342 INFO kablam!      |
Nov 01 02:42:44.342 INFO kablam!      = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 02:42:44.342 INFO kablam! 
Nov 01 02:42:44.342 INFO kablam! warning: unused `std::result::Result` which must be used
Nov 01 02:42:44.342 INFO kablam!     --> src/main.rs:1574:17
Nov 01 02:42:44.342 INFO kablam!      |
Nov 01 02:42:44.342 INFO kablam! 1574 |                 self.optimise(&obj);
Nov 01 02:42:44.342 INFO kablam!      |                 ^^^^^^^^^^^^^^^^^^^^
Nov 01 02:42:44.342 INFO kablam!      |
Nov 01 02:42:44.342 INFO kablam!      = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 02:42:44.342 INFO kablam! 
Nov 01 02:42:44.342 INFO kablam! warning: unused `std::result::Result` which must be used
Nov 01 02:42:44.342 INFO kablam!     --> src/main.rs:1691:13
Nov 01 02:42:44.342 INFO kablam!      |
Nov 01 02:42:44.342 INFO kablam! 1691 |             self.remove_constraint(constraint);
Nov 01 02:42:44.342 INFO kablam!      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 02:42:44.342 INFO kablam!      |
Nov 01 02:42:44.342 INFO kablam!      = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 02:42:44.342 INFO kablam! 
Nov 01 02:42:44.342 INFO kablam! warning: unused `std::result::Result` which must be used
Nov 01 02:42:44.342 INFO kablam!     --> src/main.rs:1702:17
Nov 01 02:42:44.342 INFO kablam!      |
Nov 01 02:42:44.342 INFO kablam! 1702 |                 self.add_edit_var(var, Strength::REQUIRED);
Nov 01 02:42:44.342 INFO kablam!      |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 02:42:44.342 INFO kablam!      |
Nov 01 02:42:44.342 INFO kablam!      = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 02:42:44.342 INFO kablam! 
Nov 01 02:42:44.342 INFO kablam! warning: unused `std::result::Result` which must be used
Nov 01 02:42:44.342 INFO kablam!     --> src/main.rs:1703:17
Nov 01 02:42:44.342 INFO kablam!      |
Nov 01 02:42:44.342 INFO kablam! 1703 |                 self.begin_edit();
Nov 01 02:42:44.342 INFO kablam!      |                 ^^^^^^^^^^^^^^^^^^
Nov 01 02:42:44.342 INFO kablam!      |
Nov 01 02:42:44.342 INFO kablam!      = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 02:42:44.345 INFO kablam! 
Nov 01 02:42:44.345 INFO kablam! warning: unused `std::result::Result` which must be used
Nov 01 02:42:44.345 INFO kablam!     --> src/main.rs:1706:25
Nov 01 02:42:44.345 INFO kablam!      |
Nov 01 02:42:44.345 INFO kablam! 1706 |                         self.end_edit();
Nov 01 02:42:44.345 INFO kablam!      |                         ^^^^^^^^^^^^^^^^
Nov 01 02:42:44.345 INFO kablam!      |
Nov 01 02:42:44.345 INFO kablam!      = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 02:42:44.345 INFO kablam! 
Nov 01 02:42:44.345 INFO kablam! warning: unused `std::result::Result` which must be used
Nov 01 02:42:44.345 INFO kablam!     --> src/main.rs:1854:13
Nov 01 02:42:44.345 INFO kablam!      |
Nov 01 02:42:44.345 INFO kablam! 1854 |             self.dual_optimise();
Nov 01 02:42:44.345 INFO kablam!      |             ^^^^^^^^^^^^^^^^^^^^^
Nov 01 02:42:44.345 INFO kablam!      |
Nov 01 02:42:44.345 INFO kablam!      = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 02:42:44.345 INFO kablam! 
Nov 01 02:42:44.345 INFO kablam! warning: unused `std::result::Result` which must be used
Nov 01 02:42:44.345 INFO kablam!     --> src/main.rs:2026:17
Nov 01 02:42:44.345 INFO kablam!      |
Nov 01 02:42:44.345 INFO kablam! 2026 |                 self.pivot(&entry_var.clone().unwrap(), &exit_var.clone().unwrap());
Nov 01 02:42:44.345 INFO kablam!      |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 02:42:44.345 INFO kablam!      |
Nov 01 02:42:44.345 INFO kablam!      = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 02:42:44.345 INFO kablam! 
Nov 01 02:42:44.345 INFO kablam! warning: unused `std::result::Result` which must be used
Nov 01 02:42:44.345 INFO kablam!     --> src/main.rs:2069:29
Nov 01 02:42:44.345 INFO kablam!      |
Nov 01 02:42:44.345 INFO kablam! 2069 |                             self.pivot(&entry_var.clone().unwrap(), &exit_var);
Nov 01 02:42:44.345 INFO kablam!      |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 02:42:44.345 INFO kablam!      |
Nov 01 02:42:44.345 INFO kablam!      = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 02:42:44.345 INFO kablam! 
Nov 01 02:42:44.635 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.76s
Nov 01 02:42:44.639 INFO kablam! su: No module specific data is present
Nov 01 02:42:45.035 INFO running `"docker" "rm" "-f" "4af76a562482256e3784ae1f142b36a8c74e14b55f62cef53513718fe10a37eb"`
Nov 01 02:42:45.327 INFO blam! 4af76a562482256e3784ae1f142b36a8c74e14b55f62cef53513718fe10a37eb
Nov 01 02:42:45.329 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-1/worker-6/1.30.0:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/beta-1.31-1/1.30.0:/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 +1.30.0 test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 01 02:42:45.729 INFO blam! df3b78325eb392abffb47bec3dad971b5c6fef200e751c67a4f19c090f002ad2
Nov 01 02:42:45.731 INFO running `"docker" "start" "-a" "df3b78325eb392abffb47bec3dad971b5c6fef200e751c67a4f19c090f002ad2"`
Nov 01 02:42:46.634 INFO kablam! usermod: no changes
Nov 01 02:42:46.671 INFO kablam!    Compiling cassowaryr v0.1.0 (/source)
Nov 01 02:42:47.056 INFO kablam! warning: unnecessary parentheses around `if` condition
Nov 01 02:42:47.056 INFO kablam!     --> src/lib.rs:2055:36
Nov 01 02:42:47.056 INFO kablam!      |
Nov 01 02:42:47.056 INFO kablam! 2055 |                                 if (val > 0f64 && var.pivotable()) {
Nov 01 02:42:47.056 INFO kablam!      |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 01 02:42:47.056 INFO kablam!      |
Nov 01 02:42:47.056 INFO kablam!      = note: #[warn(unused_parens)] on by default
Nov 01 02:42:47.056 INFO kablam! 
Nov 01 02:42:47.430 INFO kablam! warning: value assigned to `prev_edit_constant` is never read
Nov 01 02:42:47.430 INFO kablam!     --> src/lib.rs:1838:25
Nov 01 02:42:47.430 INFO kablam!      |
Nov 01 02:42:47.430 INFO kablam! 1838 |                         prev_edit_constant =  some_val;
Nov 01 02:42:47.430 INFO kablam!      |                         ^^^^^^^^^^^^^^^^^^
Nov 01 02:42:47.430 INFO kablam!      |
Nov 01 02:42:47.439 INFO kablam!      = note: #[warn(unused_assignments)] on by default
Nov 01 02:42:47.439 INFO kablam! 
Nov 01 02:42:47.439 INFO kablam! warning: value assigned to `r` is never read
Nov 01 02:42:47.439 INFO kablam!     --> src/lib.rs:2006:25
Nov 01 02:42:47.439 INFO kablam!      |
Nov 01 02:42:47.439 INFO kablam! 2006 |                 let mut r: f64 = 0f64;
Nov 01 02:42:47.439 INFO kablam!      |                         ^
Nov 01 02:42:47.439 INFO kablam! 
Nov 01 02:42:47.574 INFO kablam! warning: value assigned to `prev_edit_constant` is never read
Nov 01 02:42:47.574 INFO kablam!     --> src/main.rs:1830:7
Nov 01 02:42:47.575 INFO kablam!      |
Nov 01 02:42:47.575 INFO kablam! 1830 |                         prev_edit_constant =  some_val;
Nov 01 02:42:47.575 INFO kablam!      |                         ^^^^^^^^^^^^^^^^^^
Nov 01 02:42:47.576 INFO kablam!      |
Nov 01 02:42:47.576 INFO kablam!      = note: #[warn(unused_assignments)] on by default
Nov 01 02:42:47.576 INFO kablam! 
Nov 01 02:42:47.577 INFO kablam! warning: value assigned to `r` is never read
Nov 01 02:42:47.577 INFO kablam!     --> src/main.rs:1997:25
Nov 01 02:42:47.578 INFO kablam!      |
Nov 01 02:42:47.578 INFO kablam! 1997 |                 let mut r: f64 = 0f64;
Nov 01 02:42:47.578 INFO kablam!      |                         ^
Nov 01 02:42:47.579 INFO kablam! 
Nov 01 02:42:47.631 INFO kablam! warning: variable does not need to be mutable
Nov 01 02:42:47.632 INFO kablam!    --> src/main.rs:863:14
Nov 01 02:42:47.632 INFO kablam!     |
Nov 01 02:42:47.632 INFO kablam! 863 |             let mut expr = Rc::new(Expression::new_blank());
Nov 01 02:42:47.633 INFO kablam!     |                 ----^^^^
Nov 01 02:42:47.633 INFO kablam!     |                 |
Nov 01 02:42:47.633 INFO kablam!     |                 help: remove this `mut`
Nov 01 02:42:47.634 INFO kablam!     |
Nov 01 02:42:47.634 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 01 02:42:47.634 INFO kablam! 
Nov 01 02:42:47.639 INFO kablam! warning: variable does not need to be mutable
Nov 01 02:42:47.639 INFO kablam!    --> src/main.rs:915:21
Nov 01 02:42:47.640 INFO kablam!     |
Nov 01 02:42:47.640 INFO kablam! 915 |                 let mut expr = Rc::new(Expression::new_single_variable(var_two));
Nov 01 02:42:47.640 INFO kablam!     |                     ----^^^^
Nov 01 02:42:47.640 INFO kablam!     |                     |
Nov 01 02:42:47.641 INFO kablam!     |                     help: remove this `mut`
Nov 01 02:42:47.641 INFO kablam! 
Nov 01 02:42:47.641 INFO kablam! warning: variable does not need to be mutable
Nov 01 02:42:47.642 INFO kablam!    --> src/main.rs:937:17
Nov 01 02:42:47.642 INFO kablam!     |
Nov 01 02:42:47.642 INFO kablam! 937 |             let mut cexpr: Rc<Expression> = expr.clone();
Nov 01 02:42:47.642 INFO kablam!     |                 ----^^^^^
Nov 01 02:42:47.643 INFO kablam!     |                 |
Nov 01 02:42:47.643 INFO kablam!     |                 help: remove this `mut`
Nov 01 02:42:47.643 INFO kablam! 
Nov 01 02:42:47.643 INFO kablam! warning: variable does not need to be mutable
Nov 01 02:42:47.644 INFO kablam!    --> src/main.rs:966:17
Nov 01 02:42:47.644 INFO kablam!     |
Nov 01 02:42:47.644 INFO kablam! 966 |             let mut expr = expr_two.clone();
Nov 01 02:42:47.645 INFO kablam!     |                 ----^^^^
Nov 01 02:42:47.645 INFO kablam!     |                 |
Nov 01 02:42:47.645 INFO kablam!     |                 help: remove this `mut`
Nov 01 02:42:47.645 INFO kablam! 
Nov 01 02:42:47.646 INFO kablam! warning: variable does not need to be mutable
Nov 01 02:42:47.646 INFO kablam!     --> src/main.rs:1146:17
Nov 01 02:42:47.647 INFO kablam!      |
Nov 01 02:42:47.647 INFO kablam! 1146 |             let mut expr = Rc::new(Expression::new_blank());
Nov 01 02:42:47.647 INFO kablam!      |                 ----^^^^
Nov 01 02:42:47.648 INFO kablam!      |                 |
Nov 01 02:42:47.648 INFO kablam!      |                 help: remove this `mut`
Nov 01 02:42:47.648 INFO kablam! 
Nov 01 02:42:47.659 INFO kablam! warning: variable does not need to be mutable
Nov 01 02:42:47.659 INFO kablam!     --> src/main.rs:1268:17
Nov 01 02:42:47.659 INFO kablam!      |
Nov 01 02:42:47.659 INFO kablam! 1268 |             let mut prev_edit_constant = 0f64;
Nov 01 02:42:47.659 INFO kablam!      |                 ----^^^^^^^^^^^^^^^^^^
Nov 01 02:42:47.659 INFO kablam!      |                 |
Nov 01 02:42:47.659 INFO kablam!      |                 help: remove this `mut`
Nov 01 02:42:47.659 INFO kablam! 
Nov 01 02:42:47.659 INFO kablam! warning: variable does not need to be mutable
Nov 01 02:42:47.659 INFO kablam!     --> src/main.rs:1270:17
Nov 01 02:42:47.659 INFO kablam!      |
Nov 01 02:42:47.659 INFO kablam! 1270 |             let mut expr = self.new_expression(constraint,
Nov 01 02:42:47.659 INFO kablam!      |                 ----^^^^
Nov 01 02:42:47.659 INFO kablam!      |                 |
Nov 01 02:42:47.659 INFO kablam!      |                 help: remove this `mut`
Nov 01 02:42:47.659 INFO kablam! 
Nov 01 02:42:47.667 INFO kablam! warning: variable does not need to be mutable
Nov 01 02:42:47.667 INFO kablam!     --> src/main.rs:1389:22
Nov 01 02:42:47.667 INFO kablam!      |
Nov 01 02:42:47.667 INFO kablam! 1389 |                 Some(mut expr) => {
Nov 01 02:42:47.667 INFO kablam!      |                      ----^^^^
Nov 01 02:42:47.667 INFO kablam!      |                      |
Nov 01 02:42:47.667 INFO kablam!      |                      help: remove this `mut`
Nov 01 02:42:47.667 INFO kablam! 
Nov 01 02:42:47.691 INFO kablam! warning: variable does not need to be mutable
Nov 01 02:42:47.691 INFO kablam!     --> src/main.rs:1429:17
Nov 01 02:42:47.691 INFO kablam!      |
Nov 01 02:42:47.691 INFO kablam! 1429 |             let mut obj_row: Rc<Expression> = self.get_row_expression(&obj).unwrap();
Nov 01 02:42:47.691 INFO kablam!      |                 ----^^^^^^^
Nov 01 02:42:47.691 INFO kablam!      |                 |
Nov 01 02:42:47.691 INFO kablam!      |                 help: remove this `mut`
Nov 01 02:42:47.691 INFO kablam! 
Nov 01 02:42:47.691 INFO kablam! warning: variable does not need to be mutable
Nov 01 02:42:47.691 INFO kablam!     --> src/main.rs:1432:17
Nov 01 02:42:47.691 INFO kablam!      |
Nov 01 02:42:47.691 INFO kablam! 1432 |             let mut error_option = self.error_vars.borrow_mut().get(constraint).map(|x| x.clone());
Nov 01 02:42:47.691 INFO kablam!      |                 ----^^^^^^^^^^^^
Nov 01 02:42:47.691 INFO kablam!      |                 |
Nov 01 02:42:47.691 INFO kablam!      |                 help: remove this `mut`
Nov 01 02:42:47.691 INFO kablam! 
Nov 01 02:42:47.707 INFO kablam! warning: variable does not need to be mutable
Nov 01 02:42:47.707 INFO kablam!     --> src/main.rs:1760:25
Nov 01 02:42:47.707 INFO kablam!      |
Nov 01 02:42:47.707 INFO kablam! 1760 |                     let mut row_expr = self.get_row_expression(&obj).unwrap();
Nov 01 02:42:47.707 INFO kablam!      |                         ----^^^^^^^^
Nov 01 02:42:47.707 INFO kablam!      |                         |
Nov 01 02:42:47.707 INFO kablam!      |                         help: remove this `mut`
Nov 01 02:42:47.707 INFO kablam! 
Nov 01 02:42:47.707 INFO kablam! warning: variable does not need to be mutable
Nov 01 02:42:47.707 INFO kablam!     --> src/main.rs:1800:25
Nov 01 02:42:47.707 INFO kablam!      |
Nov 01 02:42:47.707 INFO kablam! 1800 |                     let mut row_expr = self.get_row_expression(&obj).unwrap();
Nov 01 02:42:47.707 INFO kablam!      |                         ----^^^^^^^^
Nov 01 02:42:47.707 INFO kablam!      |                         |
Nov 01 02:42:47.707 INFO kablam!      |                         help: remove this `mut`
Nov 01 02:42:47.707 INFO kablam! 
Nov 01 02:42:47.707 INFO kablam! warning: variable does not need to be mutable
Nov 01 02:42:47.707 INFO kablam!     --> src/main.rs:1816:25
Nov 01 02:42:47.707 INFO kablam!      |
Nov 01 02:42:47.707 INFO kablam! 1816 |                     let mut some_val = constraint_expr.mref.borrow().clone().constant.clone();
Nov 01 02:42:47.707 INFO kablam!      |                         ----^^^^^^^^
Nov 01 02:42:47.707 INFO kablam!      |                         |
Nov 01 02:42:47.707 INFO kablam!      |                         help: remove this `mut`
Nov 01 02:42:47.707 INFO kablam! 
Nov 01 02:42:47.727 INFO kablam! warning: variable does not need to be mutable
Nov 01 02:42:47.727 INFO kablam!     --> src/main.rs:2038:17
Nov 01 02:42:47.727 INFO kablam!      |
Nov 01 02:42:47.727 INFO kablam! 2038 |             let mut len = self.infeasible_rows.borrow().len();
Nov 01 02:42:47.727 INFO kablam!      |                 ----^^^
Nov 01 02:42:47.727 INFO kablam!      |                 |
Nov 01 02:42:47.727 INFO kablam!      |                 help: remove this `mut`
Nov 01 02:42:47.727 INFO kablam! 
Nov 01 02:42:47.735 INFO kablam! warning: variable does not need to be mutable
Nov 01 02:42:47.735 INFO kablam!     --> src/main.rs:2184:14
Nov 01 02:42:47.735 INFO kablam!      |
Nov 01 02:42:47.735 INFO kablam! 2184 |             let mut m = self.columns.borrow().clone();
Nov 01 02:42:47.735 INFO kablam!      |                 ----^
Nov 01 02:42:47.735 INFO kablam!      |                 |
Nov 01 02:42:47.735 INFO kablam!      |                 help: remove this `mut`
Nov 01 02:42:47.735 INFO kablam! 
Nov 01 02:42:47.755 INFO kablam! warning: variable does not need to be mutable
Nov 01 02:42:47.767 INFO kablam!     --> src/main.rs:2406:17
Nov 01 02:42:47.767 INFO kablam!      |
Nov 01 02:42:47.767 INFO kablam! 2406 |             let mut x: Rc<Variable> = Rc::new(Variable::new(String::from("var1"),
Nov 01 02:42:47.767 INFO kablam!      |                 ----^
Nov 01 02:42:47.767 INFO kablam!      |                 |
Nov 01 02:42:47.767 INFO kablam!      |                 help: remove this `mut`
Nov 01 02:42:47.767 INFO kablam! 
Nov 01 02:42:47.767 INFO kablam! warning: variable does not need to be mutable
Nov 01 02:42:47.767 INFO kablam!     --> src/main.rs:2410:17
Nov 01 02:42:47.767 INFO kablam!      |
Nov 01 02:42:47.767 INFO kablam! 2410 |             let mut y: Rc<Variable> = Rc::new(Variable::new(String::from("var2"),
Nov 01 02:42:47.767 INFO kablam!      |                 ----^
Nov 01 02:42:47.767 INFO kablam!      |                 |
Nov 01 02:42:47.767 INFO kablam!      |                 help: remove this `mut`
Nov 01 02:42:47.767 INFO kablam! 
Nov 01 02:42:47.795 INFO kablam! warning: unused `std::result::Result` which must be used
Nov 01 02:42:47.795 INFO kablam!     --> src/main.rs:1216:10
Nov 01 02:42:47.795 INFO kablam!      |
Nov 01 02:42:47.795 INFO kablam! 1216 |             self.add_constraint(&c);
Nov 01 02:42:47.795 INFO kablam!      |             ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 02:42:47.795 INFO kablam!      |
Nov 01 02:42:47.795 INFO kablam!      = note: #[warn(unused_must_use)] on by default
Nov 01 02:42:47.795 INFO kablam!      = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 02:42:47.795 INFO kablam! 
Nov 01 02:42:47.795 INFO kablam! warning: unused `std::result::Result` which must be used
Nov 01 02:42:47.795 INFO kablam!     --> src/main.rs:1280:21
Nov 01 02:42:47.795 INFO kablam!      |
Nov 01 02:42:47.795 INFO kablam! 1280 |                     self.add_with_artificial(&expr);
Nov 01 02:42:47.795 INFO kablam!      |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 02:42:47.795 INFO kablam!      |
Nov 01 02:42:47.795 INFO kablam!      = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 02:42:47.795 INFO kablam! 
Nov 01 02:42:47.795 INFO kablam! warning: unused `std::result::Result` which must be used
Nov 01 02:42:47.795 INFO kablam!     --> src/main.rs:1307:17
Nov 01 02:42:47.795 INFO kablam!      |
Nov 01 02:42:47.795 INFO kablam! 1307 |                 self.optimise(&obj);
Nov 01 02:42:47.795 INFO kablam!      |                 ^^^^^^^^^^^^^^^^^^^^
Nov 01 02:42:47.795 INFO kablam!      |
Nov 01 02:42:47.795 INFO kablam!      = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 02:42:47.795 INFO kablam! 
Nov 01 02:42:47.795 INFO kablam! warning: unused `std::result::Result` which must be used
Nov 01 02:42:47.795 INFO kablam!     --> src/main.rs:1373:13
Nov 01 02:42:47.795 INFO kablam!      |
Nov 01 02:42:47.795 INFO kablam! 1373 |             self.optimise(&obj_var);
Nov 01 02:42:47.795 INFO kablam!      |             ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 02:42:47.795 INFO kablam!      |
Nov 01 02:42:47.795 INFO kablam!      = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 02:42:47.795 INFO kablam! 
Nov 01 02:42:47.796 INFO kablam! warning: unused `std::result::Result` which must be used
Nov 01 02:42:47.796 INFO kablam!     --> src/main.rs:1401:29
Nov 01 02:42:47.796 INFO kablam!      |
Nov 01 02:42:47.796 INFO kablam! 1401 |                             self.pivot(&entry_var, &slack_var);
Nov 01 02:42:47.796 INFO kablam!      |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 02:42:47.796 INFO kablam!      |
Nov 01 02:42:47.796 INFO kablam!      = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 02:42:47.796 INFO kablam! 
Nov 01 02:42:47.796 INFO kablam! warning: unused `std::result::Result` which must be used
Nov 01 02:42:47.796 INFO kablam!     --> src/main.rs:1514:25
Nov 01 02:42:47.796 INFO kablam!      |
Nov 01 02:42:47.796 INFO kablam! 1514 |                         self.pivot(&marker, &exit_var.unwrap());
Nov 01 02:42:47.796 INFO kablam!      |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 02:42:47.796 INFO kablam!      |
Nov 01 02:42:47.796 INFO kablam!      = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 02:42:47.796 INFO kablam! 
Nov 01 02:42:47.796 INFO kablam! warning: unused `std::result::Result` which must be used
Nov 01 02:42:47.796 INFO kablam!     --> src/main.rs:1574:17
Nov 01 02:42:47.796 INFO kablam!      |
Nov 01 02:42:47.796 INFO kablam! 1574 |                 self.optimise(&obj);
Nov 01 02:42:47.796 INFO kablam!      |                 ^^^^^^^^^^^^^^^^^^^^
Nov 01 02:42:47.796 INFO kablam!      |
Nov 01 02:42:47.796 INFO kablam!      = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 02:42:47.796 INFO kablam! 
Nov 01 02:42:47.796 INFO kablam! warning: unused `std::result::Result` which must be used
Nov 01 02:42:47.796 INFO kablam!     --> src/main.rs:1691:13
Nov 01 02:42:47.796 INFO kablam!      |
Nov 01 02:42:47.796 INFO kablam! 1691 |             self.remove_constraint(constraint);
Nov 01 02:42:47.796 INFO kablam!      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 02:42:47.796 INFO kablam!      |
Nov 01 02:42:47.796 INFO kablam!      = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 02:42:47.796 INFO kablam! 
Nov 01 02:42:47.796 INFO kablam! warning: unused `std::result::Result` which must be used
Nov 01 02:42:47.796 INFO kablam!     --> src/main.rs:1702:17
Nov 01 02:42:47.796 INFO kablam!      |
Nov 01 02:42:47.796 INFO kablam! 1702 |                 self.add_edit_var(var, Strength::REQUIRED);
Nov 01 02:42:47.796 INFO kablam!      |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 02:42:47.796 INFO kablam!      |
Nov 01 02:42:47.796 INFO kablam!      = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 02:42:47.796 INFO kablam! 
Nov 01 02:42:47.796 INFO kablam! warning: unused `std::result::Result` which must be used
Nov 01 02:42:47.796 INFO kablam!     --> src/main.rs:1703:17
Nov 01 02:42:47.796 INFO kablam!      |
Nov 01 02:42:47.796 INFO kablam! 1703 |                 self.begin_edit();
Nov 01 02:42:47.796 INFO kablam!      |                 ^^^^^^^^^^^^^^^^^^
Nov 01 02:42:47.796 INFO kablam!      |
Nov 01 02:42:47.796 INFO kablam!      = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 02:42:47.796 INFO kablam! 
Nov 01 02:42:47.803 INFO kablam! warning: unused `std::result::Result` which must be used
Nov 01 02:42:47.803 INFO kablam!     --> src/main.rs:1706:25
Nov 01 02:42:47.803 INFO kablam!      |
Nov 01 02:42:47.803 INFO kablam! 1706 |                         self.end_edit();
Nov 01 02:42:47.803 INFO kablam!      |                         ^^^^^^^^^^^^^^^^
Nov 01 02:42:47.803 INFO kablam!      |
Nov 01 02:42:47.803 INFO kablam!      = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 02:42:47.803 INFO kablam! 
Nov 01 02:42:47.803 INFO kablam! warning: unused `std::result::Result` which must be used
Nov 01 02:42:47.803 INFO kablam!     --> src/main.rs:1854:13
Nov 01 02:42:47.803 INFO kablam!      |
Nov 01 02:42:47.803 INFO kablam! 1854 |             self.dual_optimise();
Nov 01 02:42:47.803 INFO kablam!      |             ^^^^^^^^^^^^^^^^^^^^^
Nov 01 02:42:47.803 INFO kablam!      |
Nov 01 02:42:47.803 INFO kablam!      = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 02:42:47.803 INFO kablam! 
Nov 01 02:42:47.803 INFO kablam! warning: unused `std::result::Result` which must be used
Nov 01 02:42:47.803 INFO kablam!     --> src/main.rs:2026:17
Nov 01 02:42:47.803 INFO kablam!      |
Nov 01 02:42:47.803 INFO kablam! 2026 |                 self.pivot(&entry_var.clone().unwrap(), &exit_var.clone().unwrap());
Nov 01 02:42:47.803 INFO kablam!      |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 02:42:47.803 INFO kablam!      |
Nov 01 02:42:47.803 INFO kablam!      = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 02:42:47.803 INFO kablam! 
Nov 01 02:42:47.803 INFO kablam! warning: unused `std::result::Result` which must be used
Nov 01 02:42:47.803 INFO kablam!     --> src/main.rs:2069:29
Nov 01 02:42:47.803 INFO kablam!      |
Nov 01 02:42:47.803 INFO kablam! 2069 |                             self.pivot(&entry_var.clone().unwrap(), &exit_var);
Nov 01 02:42:47.803 INFO kablam!      |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 02:42:47.803 INFO kablam!      |
Nov 01 02:42:47.803 INFO kablam!      = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 02:42:47.803 INFO kablam! 
Nov 01 02:42:47.803 INFO kablam! warning: unused `std::result::Result` which must be used
Nov 01 02:42:47.803 INFO kablam!     --> src/main.rs:2424:13
Nov 01 02:42:47.803 INFO kablam!      |
Nov 01 02:42:47.803 INFO kablam! 2424 |             s.add_constraint(&c);
Nov 01 02:42:47.803 INFO kablam!      |             ^^^^^^^^^^^^^^^^^^^^^
Nov 01 02:42:47.803 INFO kablam!      |
Nov 01 02:42:47.803 INFO kablam!      = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 02:42:47.803 INFO kablam! 
Nov 01 02:42:50.830 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.17s
Nov 01 02:42:50.832 INFO kablam! su: No module specific data is present
Nov 01 02:42:51.241 INFO running `"docker" "rm" "-f" "df3b78325eb392abffb47bec3dad971b5c6fef200e751c67a4f19c090f002ad2"`
Nov 01 02:42:51.402 INFO blam! df3b78325eb392abffb47bec3dad971b5c6fef200e751c67a4f19c090f002ad2
Nov 01 02:42:51.405 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-1/worker-6/1.30.0:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/beta-1.31-1/1.30.0:/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 +1.30.0 test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 01 02:42:51.751 INFO blam! 7087e368e7ceee317ec13f1f9decd7157d79ebc8b5080f9f7f1e5e9515e5791f
Nov 01 02:42:51.753 INFO running `"docker" "start" "-a" "7087e368e7ceee317ec13f1f9decd7157d79ebc8b5080f9f7f1e5e9515e5791f"`
Nov 01 02:42:52.164 INFO kablam! usermod: no changes
Nov 01 02:42:52.195 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Nov 01 02:42:52.199 INFO kablam!      Running /target/debug/deps/cassowaryr-33dd297471ef9da9
Nov 01 02:42:52.199 INFO blam! 
Nov 01 02:42:52.199 INFO blam! running 4 tests
Nov 01 02:42:52.199 INFO blam! test cass_tests::t1 ... ok
Nov 01 02:42:52.199 INFO blam! test cass_tests::t2 ... ok
Nov 01 02:42:52.202 INFO blam! test cass_tests::t4 ... ok
Nov 01 02:42:52.207 INFO blam! test cass_tests::t3 ... ok
Nov 01 02:42:52.208 INFO kablam!      Running /target/debug/deps/cassowaryr-bd20371b47f7ae46
Nov 01 02:42:52.208 INFO blam! 
Nov 01 02:42:52.209 INFO kablam!    Doc-tests cassowaryr
Nov 01 02:42:52.209 INFO blam! test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 01 02:42:52.209 INFO blam! 
Nov 01 02:42:52.209 INFO blam! 
Nov 01 02:42:52.209 INFO blam! running 1 test
Nov 01 02:42:52.209 INFO blam! test cass_tests::t1 ... ok
Nov 01 02:42:52.209 INFO blam! 
Nov 01 02:42:52.211 INFO blam! test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 01 02:42:52.211 INFO blam! 
Nov 01 02:42:52.536 INFO blam! 
Nov 01 02:42:52.536 INFO blam! running 0 tests
Nov 01 02:42:52.536 INFO blam! 
Nov 01 02:42:52.536 INFO blam! test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 01 02:42:52.537 INFO blam! 
Nov 01 02:42:52.550 INFO kablam! su: No module specific data is present
Nov 01 02:42:52.897 INFO running `"docker" "rm" "-f" "7087e368e7ceee317ec13f1f9decd7157d79ebc8b5080f9f7f1e5e9515e5791f"`
Nov 01 02:42:53.033 INFO blam! 7087e368e7ceee317ec13f1f9decd7157d79ebc8b5080f9f7f1e5e9515e5791f
