[INFO] fetching crate puzzle-solver 0.4.1... [INFO] checking puzzle-solver-0.4.1 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248 [INFO] extracting crate puzzle-solver 0.4.1 into /workspace/builds/worker-14/source [INFO] validating manifest of crates.io crate puzzle-solver 0.4.1 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate puzzle-solver 0.4.1 [INFO] finished tweaking crates.io crate puzzle-solver 0.4.1 [INFO] tweaked toml for crates.io crate puzzle-solver 0.4.1 written to /workspace/builds/worker-14/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e5ff028833daac9b2e05329b205b9dd073fc782ed8a54bcd78f2aeffc9effbe0 [INFO] running `Command { std: "docker" "start" "-a" "e5ff028833daac9b2e05329b205b9dd073fc782ed8a54bcd78f2aeffc9effbe0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e5ff028833daac9b2e05329b205b9dd073fc782ed8a54bcd78f2aeffc9effbe0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e5ff028833daac9b2e05329b205b9dd073fc782ed8a54bcd78f2aeffc9effbe0", kill_on_drop: false }` [INFO] [stdout] e5ff028833daac9b2e05329b205b9dd073fc782ed8a54bcd78f2aeffc9effbe0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b6ed6b5bbb1f2e33ac489b9d1c7382cb545fd9b5cf6bed67ab06f81a3d2adfb5 [INFO] running `Command { std: "docker" "start" "-a" "b6ed6b5bbb1f2e33ac489b9d1c7382cb545fd9b5cf6bed67ab06f81a3d2adfb5", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking bit-set v0.4.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking puzzle-solver v0.4.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/constraint/mod.rs:15:34 [INFO] [stdout] | [INFO] [stdout] 15 | fn vars<'a>(&'a self) -> Box + 'a>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + 'a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/constraint/mod.rs:33:28 [INFO] [stdout] | [INFO] [stdout] 33 | -> PsResult>; [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn Constraint` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/constraint/alldifferent.rs:33:34 [INFO] [stdout] | [INFO] [stdout] 33 | fn vars<'a>(&'a self) -> Box + 'a> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + 'a` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/constraint/alldifferent.rs:40:13 [INFO] [stdout] | [INFO] [stdout] 40 | try!(search.remove_candidate(var2, val)); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/constraint/alldifferent.rs:70:21 [INFO] [stdout] | [INFO] [stdout] 70 | try!(search.set_candidate(var, val)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/constraint/alldifferent.rs:79:28 [INFO] [stdout] | [INFO] [stdout] 79 | -> PsResult> { [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn Constraint` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/constraint/equality.rs:35:34 [INFO] [stdout] | [INFO] [stdout] 35 | fn vars<'a>(&'a self) -> Box + 'a> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + 'a` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/constraint/equality.rs:63:17 [INFO] [stdout] | [INFO] [stdout] 63 | try!(search.set_candidate(var, val.to_integer())); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/constraint/equality.rs:81:38 [INFO] [stdout] | [INFO] [stdout] 81 | let (min_val, max_val) = try!(search.get_min_max(var)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/constraint/equality.rs:107:38 [INFO] [stdout] | [INFO] [stdout] 107 | let (min_val, max_val) = try!(search.get_min_max(var)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/constraint/equality.rs:120:23 [INFO] [stdout] | [INFO] [stdout] 120 | = try!(search.bound_candidate_range(var, min_bnd, max_bnd)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/constraint/equality.rs:138:28 [INFO] [stdout] | [INFO] [stdout] 138 | -> PsResult> { [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn Constraint` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/constraint/unify.rs:36:34 [INFO] [stdout] | [INFO] [stdout] 36 | fn vars<'a>(&'a self) -> Box + 'a> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + 'a` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/constraint/unify.rs:53:28 [INFO] [stdout] | [INFO] [stdout] 53 | -> PsResult> { [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn Constraint` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/puzzle.rs:43:25 [INFO] [stdout] | [INFO] [stdout] 43 | constraints: Vec>, [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn Constraint` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/puzzle.rs:50:25 [INFO] [stdout] | [INFO] [stdout] 50 | constraints: Vec>, [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn Constraint` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/puzzle.rs:81:34 [INFO] [stdout] | [INFO] [stdout] 81 | fn iter<'a>(&'a self) -> Box + 'a> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + 'a` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/puzzle.rs:470:22 [INFO] [stdout] | [INFO] [stdout] 470 | let rc = try!(self.constraints[cidx].substitute(from, to)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/puzzle.rs:482:39 [INFO] [stdout] | [INFO] [stdout] 482 | fn init_wake(constraints: &Vec>, num_vars: usize) [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn Constraint` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/puzzle.rs:542:20 [INFO] [stdout] | [INFO] [stdout] 542 | -> Box + 'a> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + 'a` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/puzzle.rs:734:17 [INFO] [stdout] | [INFO] [stdout] 734 | try!(constraint.on_assigned(self, var, val)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/puzzle.rs:764:21 [INFO] [stdout] | [INFO] [stdout] 764 | try!(self.assign(idx, val)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/puzzle.rs:778:21 [INFO] [stdout] | [INFO] [stdout] 778 | try!(constraint.on_updated(self)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/puzzle.rs:819:31 [INFO] [stdout] | [INFO] [stdout] 819 | let new_constraints = try!(self.constraints.substitute(from, to)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/puzzle.rs:826:13 [INFO] [stdout] | [INFO] [stdout] 826 | try!(self.set_candidate(to, val)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/constraint/mod.rs:15:34 [INFO] [stdout] | [INFO] [stdout] 15 | fn vars<'a>(&'a self) -> Box + 'a>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + 'a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/constraint/mod.rs:33:28 [INFO] [stdout] | [INFO] [stdout] 33 | -> PsResult>; [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn Constraint` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/constraint/alldifferent.rs:33:34 [INFO] [stdout] | [INFO] [stdout] 33 | fn vars<'a>(&'a self) -> Box + 'a> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + 'a` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/constraint/alldifferent.rs:40:13 [INFO] [stdout] | [INFO] [stdout] 40 | try!(search.remove_candidate(var2, val)); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/constraint/alldifferent.rs:70:21 [INFO] [stdout] | [INFO] [stdout] 70 | try!(search.set_candidate(var, val)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/constraint/alldifferent.rs:79:28 [INFO] [stdout] | [INFO] [stdout] 79 | -> PsResult> { [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn Constraint` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/constraint/equality.rs:35:34 [INFO] [stdout] | [INFO] [stdout] 35 | fn vars<'a>(&'a self) -> Box + 'a> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + 'a` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/constraint/equality.rs:63:17 [INFO] [stdout] | [INFO] [stdout] 63 | try!(search.set_candidate(var, val.to_integer())); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/constraint/equality.rs:81:38 [INFO] [stdout] | [INFO] [stdout] 81 | let (min_val, max_val) = try!(search.get_min_max(var)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/constraint/equality.rs:107:38 [INFO] [stdout] | [INFO] [stdout] 107 | let (min_val, max_val) = try!(search.get_min_max(var)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/constraint/equality.rs:120:23 [INFO] [stdout] | [INFO] [stdout] 120 | = try!(search.bound_candidate_range(var, min_bnd, max_bnd)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/constraint/equality.rs:138:28 [INFO] [stdout] | [INFO] [stdout] 138 | -> PsResult> { [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn Constraint` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/constraint/unify.rs:36:34 [INFO] [stdout] | [INFO] [stdout] 36 | fn vars<'a>(&'a self) -> Box + 'a> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + 'a` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/constraint/unify.rs:53:28 [INFO] [stdout] | [INFO] [stdout] 53 | -> PsResult> { [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn Constraint` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/puzzle.rs:43:25 [INFO] [stdout] | [INFO] [stdout] 43 | constraints: Vec>, [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn Constraint` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/puzzle.rs:50:25 [INFO] [stdout] | [INFO] [stdout] 50 | constraints: Vec>, [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn Constraint` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/puzzle.rs:81:34 [INFO] [stdout] | [INFO] [stdout] 81 | fn iter<'a>(&'a self) -> Box + 'a> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + 'a` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/puzzle.rs:470:22 [INFO] [stdout] | [INFO] [stdout] 470 | let rc = try!(self.constraints[cidx].substitute(from, to)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/puzzle.rs:482:39 [INFO] [stdout] | [INFO] [stdout] 482 | fn init_wake(constraints: &Vec>, num_vars: usize) [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn Constraint` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/puzzle.rs:542:20 [INFO] [stdout] | [INFO] [stdout] 542 | -> Box + 'a> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + 'a` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/puzzle.rs:734:17 [INFO] [stdout] | [INFO] [stdout] 734 | try!(constraint.on_assigned(self, var, val)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/puzzle.rs:764:21 [INFO] [stdout] | [INFO] [stdout] 764 | try!(self.assign(idx, val)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/puzzle.rs:778:21 [INFO] [stdout] | [INFO] [stdout] 778 | try!(constraint.on_updated(self)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/puzzle.rs:819:31 [INFO] [stdout] | [INFO] [stdout] 819 | let new_constraints = try!(self.constraints.substitute(from, to)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/puzzle.rs:826:13 [INFO] [stdout] | [INFO] [stdout] 826 | try!(self.set_candidate(to, val)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/puzzle.rs:589:21 [INFO] [stdout] | [INFO] [stdout] 589 | let mut set = Rc::make_mut(rc); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/puzzle.rs:622:21 [INFO] [stdout] | [INFO] [stdout] 622 | let mut set = Rc::make_mut(rc); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/puzzle.rs:666:25 [INFO] [stdout] | [INFO] [stdout] 666 | let mut set = Rc::make_mut(rc); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/puzzle.rs:898:14 [INFO] [stdout] | [INFO] [stdout] 898 | let (mut l, mut r) = slice.split_at_mut(b); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/puzzle.rs:898:21 [INFO] [stdout] | [INFO] [stdout] 898 | let (mut l, mut r) = slice.split_at_mut(b); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/puzzle.rs:589:21 [INFO] [stdout] | [INFO] [stdout] 589 | let mut set = Rc::make_mut(rc); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/puzzle.rs:622:21 [INFO] [stdout] | [INFO] [stdout] 622 | let mut set = Rc::make_mut(rc); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 30 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/puzzle.rs:666:25 [INFO] [stdout] | [INFO] [stdout] 666 | let mut set = Rc::make_mut(rc); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/puzzle.rs:898:14 [INFO] [stdout] | [INFO] [stdout] 898 | let (mut l, mut r) = slice.split_at_mut(b); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/puzzle.rs:898:21 [INFO] [stdout] | [INFO] [stdout] 898 | let (mut l, mut r) = slice.split_at_mut(b); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 30 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> tests/queens.rs:15:34 [INFO] [stdout] | [INFO] [stdout] 15 | fn vars<'a>(&'a self) -> Box + 'a> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + 'a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> tests/queens.rs:26:17 [INFO] [stdout] | [INFO] [stdout] 26 | try!(search.remove_candidate(var2, x1 - dy)); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> tests/queens.rs:27:17 [INFO] [stdout] | [INFO] [stdout] 27 | try!(search.remove_candidate(var2, x1 + dy)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> tests/queens.rs:35:28 [INFO] [stdout] | [INFO] [stdout] 35 | -> PsResult> { [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn Constraint` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> tests/takuzu.rs:22:34 [INFO] [stdout] | [INFO] [stdout] 22 | fn vars<'a>(&'a self) -> Box + 'a> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + 'a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> tests/takuzu.rs:31:17 [INFO] [stdout] | [INFO] [stdout] 31 | try!(search.set_candidate(var, val & 1)); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> tests/takuzu.rs:41:17 [INFO] [stdout] | [INFO] [stdout] 41 | try!(search.remove_candidate(self.value, c)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> tests/nonogram.rs:143:34 [INFO] [stdout] | [INFO] [stdout] 143 | fn vars<'a>(&'a self) -> Box + 'a> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + 'a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> tests/takuzu.rs:49:28 [INFO] [stdout] | [INFO] [stdout] 49 | -> PsResult> { [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn Constraint` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> tests/nonogram.rs:165:25 [INFO] [stdout] | [INFO] [stdout] 165 | try!(search.set_candidate(self.vars[idx], 0)); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> tests/nonogram.rs:167:25 [INFO] [stdout] | [INFO] [stdout] 167 | try!(search.set_candidate(self.vars[idx], 1)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> tests/nonogram.rs:176:28 [INFO] [stdout] | [INFO] [stdout] 176 | -> PsResult> { [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn Constraint` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tests/nonogram.rs:149:14 [INFO] [stdout] | [INFO] [stdout] 149 | for (mut pos, &var) in trial.iter_mut().zip(&self.vars) { [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.97s [INFO] running `Command { std: "docker" "inspect" "b6ed6b5bbb1f2e33ac489b9d1c7382cb545fd9b5cf6bed67ab06f81a3d2adfb5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b6ed6b5bbb1f2e33ac489b9d1c7382cb545fd9b5cf6bed67ab06f81a3d2adfb5", kill_on_drop: false }` [INFO] [stdout] b6ed6b5bbb1f2e33ac489b9d1c7382cb545fd9b5cf6bed67ab06f81a3d2adfb5