[INFO] fetching crate cassowary 0.3.0...
[INFO] checking cassowary-0.3.0 against try#22dd2dd1dc07f63ae9394352d412f020d2985684 for pr-74627
[INFO] extracting crate cassowary 0.3.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate cassowary 0.3.0 on toolchain 22dd2dd1dc07f63ae9394352d412f020d2985684
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cassowary 0.3.0
[INFO] finished tweaking crates.io crate cassowary 0.3.0
[INFO] tweaked toml for crates.io crate cassowary 0.3.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76ec5ba6d9c3ac4b913749fad9344e7b8689d0447d6c82d68b9bc4a1a27f442a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "76ec5ba6d9c3ac4b913749fad9344e7b8689d0447d6c82d68b9bc4a1a27f442a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76ec5ba6d9c3ac4b913749fad9344e7b8689d0447d6c82d68b9bc4a1a27f442a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76ec5ba6d9c3ac4b913749fad9344e7b8689d0447d6c82d68b9bc4a1a27f442a", kill_on_drop: false }`
[INFO] [stdout] 76ec5ba6d9c3ac4b913749fad9344e7b8689d0447d6c82d68b9bc4a1a27f442a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 617f56e18318a8b7b492b696feb8392d4f4dbe986f26ff73e05ea664cf75ca61
[INFO] running `Command { std: "docker" "start" "-a" "617f56e18318a8b7b492b696feb8392d4f4dbe986f26ff73e05ea664cf75ca61", kill_on_drop: false }`
[INFO] [stderr]     Checking cassowary v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/solver_impl.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |             try!(self.add_constraint(constraint.clone()));
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/solver_impl.rs:115:17
[INFO] [stdout]     |
[INFO] [stdout] 115 |             if !try!(self.add_with_artificial_variable(&row)
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/solver_impl.rs:135:9
[INFO] [stdout]     |
[INFO] [stdout] 135 |         try!(self.optimise(&objective).map_err(|e| AddConstraintError::InternalSolverError(e.0)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/solver_impl.rs:141:19
[INFO] [stdout]     |
[INFO] [stdout] 141 |         let tag = try!(self.cns.remove(constraint).ok_or(RemoveConstraintError::UnknownConstraint));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/solver_impl.rs:151:38
[INFO] [stdout]     |
[INFO] [stdout] 151 |             let (leaving, mut row) = try!(self.get_marker_leaving_row(tag.marker)
[INFO] [stdout]     |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/solver_impl.rs:163:9
[INFO] [stdout]     |
[INFO] [stdout] 163 |         try!(self.optimise(&objective).map_err(|e| RemoveConstraintError::InternalSolverError(e.0)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/solver_impl.rs:215:13
[INFO] [stdout]     |
[INFO] [stdout] 215 |             try!(self.remove_constraint(&constraint)
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/solver_impl.rs:239:24
[INFO] [stdout]     |
[INFO] [stdout] 239 |             let info = try!(self.edits.get_mut(&variable).ok_or(SuggestValueError::UnknownEditVariable));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/solver_impl.rs:286:9
[INFO] [stdout]     |
[INFO] [stdout] 286 |         try!(self.dual_optimise().map_err(|e| SuggestValueError::InternalSolverError(e.0)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/solver_impl.rs:497:9
[INFO] [stdout]     |
[INFO] [stdout] 497 |         try!(self.optimise(&artificial));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/solver_impl.rs:560:38
[INFO] [stdout]     |
[INFO] [stdout] 560 |             let (leaving, mut row) = try!(self.get_leaving_row(entering)
[INFO] [stdout]     |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::atomic::ATOMIC_USIZE_INIT': the `new` function is now preferred
[INFO] [stdout]    --> src/lib.rs:235:56
[INFO] [stdout]     |
[INFO] [stdout] 235 | static VARIABLE_ID: ::std::sync::atomic::AtomicUsize = ::std::sync::atomic::ATOMIC_USIZE_INIT;
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `AtomicUsize::new(0)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/solver_impl.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |             try!(self.add_constraint(constraint.clone()));
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/solver_impl.rs:115:17
[INFO] [stdout]     |
[INFO] [stdout] 115 |             if !try!(self.add_with_artificial_variable(&row)
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/solver_impl.rs:135:9
[INFO] [stdout]     |
[INFO] [stdout] 135 |         try!(self.optimise(&objective).map_err(|e| AddConstraintError::InternalSolverError(e.0)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/solver_impl.rs:141:19
[INFO] [stdout]     |
[INFO] [stdout] 141 |         let tag = try!(self.cns.remove(constraint).ok_or(RemoveConstraintError::UnknownConstraint));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/solver_impl.rs:151:38
[INFO] [stdout]     |
[INFO] [stdout] 151 |             let (leaving, mut row) = try!(self.get_marker_leaving_row(tag.marker)
[INFO] [stdout]     |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/solver_impl.rs:163:9
[INFO] [stdout]     |
[INFO] [stdout] 163 |         try!(self.optimise(&objective).map_err(|e| RemoveConstraintError::InternalSolverError(e.0)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/solver_impl.rs:215:13
[INFO] [stdout]     |
[INFO] [stdout] 215 |             try!(self.remove_constraint(&constraint)
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/solver_impl.rs:239:24
[INFO] [stdout]     |
[INFO] [stdout] 239 |             let info = try!(self.edits.get_mut(&variable).ok_or(SuggestValueError::UnknownEditVariable));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/solver_impl.rs:286:9
[INFO] [stdout]     |
[INFO] [stdout] 286 |         try!(self.dual_optimise().map_err(|e| SuggestValueError::InternalSolverError(e.0)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/solver_impl.rs:497:9
[INFO] [stdout]     |
[INFO] [stdout] 497 |         try!(self.optimise(&artificial));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/solver_impl.rs:560:38
[INFO] [stdout]     |
[INFO] [stdout] 560 |             let (leaving, mut row) = try!(self.get_leaving_row(entering)
[INFO] [stdout]     |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::atomic::ATOMIC_USIZE_INIT': the `new` function is now preferred
[INFO] [stdout]    --> src/lib.rs:235:56
[INFO] [stdout]     |
[INFO] [stdout] 235 | static VARIABLE_ID: ::std::sync::atomic::AtomicUsize = ::std::sync::atomic::ATOMIC_USIZE_INIT;
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `AtomicUsize::new(0)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/common/mod.rs:22:29
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn new_values() -> (Box<Fn(Variable) -> f64>, Box<Fn(&[(Variable, f64)])>) {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Variable) -> f64`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/common/mod.rs:22:55
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn new_values() -> (Box<Fn(Variable) -> f64>, Box<Fn(&[(Variable, f64)])>) {
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&[(Variable, f64)])`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/common/mod.rs:22:29
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn new_values() -> (Box<Fn(Variable) -> f64>, Box<Fn(&[(Variable, f64)])>) {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Variable) -> f64`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/common/mod.rs:22:55
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn new_values() -> (Box<Fn(Variable) -> f64>, Box<Fn(&[(Variable, f64)])>) {
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&[(Variable, f64)])`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "617f56e18318a8b7b492b696feb8392d4f4dbe986f26ff73e05ea664cf75ca61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "617f56e18318a8b7b492b696feb8392d4f4dbe986f26ff73e05ea664cf75ca61", kill_on_drop: false }`
[INFO] [stdout] 617f56e18318a8b7b492b696feb8392d4f4dbe986f26ff73e05ea664cf75ca61