[INFO] fetching crate rs_sudoku 0.1.2... [INFO] testing rs_sudoku-0.1.2 against 1.55.0 for beta-1.56-1 [INFO] extracting crate rs_sudoku 0.1.2 into /workspace/builds/worker-21/source [INFO] validating manifest of crates.io crate rs_sudoku 0.1.2 on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate rs_sudoku 0.1.2 [INFO] finished tweaking crates.io crate rs_sudoku 0.1.2 [INFO] tweaked toml for crates.io crate rs_sudoku 0.1.2 written to /workspace/builds/worker-21/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 535679309e5a9d2c3aea7a56f107f2396910516e752f41a70817eca0fe3a48f9 [INFO] running `Command { std: "docker" "start" "-a" "535679309e5a9d2c3aea7a56f107f2396910516e752f41a70817eca0fe3a48f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "535679309e5a9d2c3aea7a56f107f2396910516e752f41a70817eca0fe3a48f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "535679309e5a9d2c3aea7a56f107f2396910516e752f41a70817eca0fe3a48f9", kill_on_drop: false }` [INFO] [stdout] 535679309e5a9d2c3aea7a56f107f2396910516e752f41a70817eca0fe3a48f9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c04cb6e1fa9414846d7fc7e8445e66770928378e68a76931fefe5e9281119d34 [INFO] running `Command { std: "docker" "start" "-a" "c04cb6e1fa9414846d7fc7e8445e66770928378e68a76931fefe5e9281119d34", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling rs_sudoku v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/slow_index.rs:71:17 [INFO] [stdout] | [INFO] [stdout] 71 | pub gp: Box, [INFO] [stdout] | ^^^^^^^^^^^ help: use `dyn`: `dyn GenPosition` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) 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/slow_index.rs:89:17 [INFO] [stdout] | [INFO] [stdout] 89 | pub gp: Box, [INFO] [stdout] | ^^^^^^^^^^^ help: use `dyn`: `dyn GenPosition` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) 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/slow_index.rs:106:43 [INFO] [stdout] | [INFO] [stdout] 106 | pub fn set_gen_position(self, gp: Box) -> Self { [INFO] [stdout] | ^^^^^^^^^^^ help: use `dyn`: `dyn GenPosition` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/candidate_set.rs:60:9 [INFO] [stdout] | [INFO] [stdout] 60 | (self.0 & !SOLVED) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021. [INFO] [stdout] --> src/box_line.rs:13:14 [INFO] [stdout] | [INFO] [stdout] 13 | .into_iter() [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see issue #66145 [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 13 | .iter() [INFO] [stdout] | ^^^^ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 12 | IntoIterator::into_iter([Grouping::RowType, Grouping::ColumnType]) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021. [INFO] [stdout] --> src/box_line.rs:24:26 [INFO] [stdout] | [INFO] [stdout] 24 | .into_iter() [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see issue #66145 [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 24 | .iter() [INFO] [stdout] | ^^^^ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 23 | let removed: usize = IntoIterator::into_iter(val_pos) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/bin/pre_compute_index.rs:3:15 [INFO] [stdout] | [INFO] [stdout] 3 | type IterFn = Fn(usize) -> RelatedIndexIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize) -> RelatedIndexIterator` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.70s [INFO] running `Command { std: "docker" "inspect" "c04cb6e1fa9414846d7fc7e8445e66770928378e68a76931fefe5e9281119d34", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c04cb6e1fa9414846d7fc7e8445e66770928378e68a76931fefe5e9281119d34", kill_on_drop: false }` [INFO] [stdout] c04cb6e1fa9414846d7fc7e8445e66770928378e68a76931fefe5e9281119d34 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 849ff970eaaeabb2224480c2b582bf9cc58dfebe2c9edfab1a936755b77603c2 [INFO] running `Command { std: "docker" "start" "-a" "849ff970eaaeabb2224480c2b582bf9cc58dfebe2c9edfab1a936755b77603c2", kill_on_drop: false }` [INFO] [stderr] Compiling semver v1.0.4 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling regex-automata v0.1.10 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/slow_index.rs:71:17 [INFO] [stdout] | [INFO] [stdout] 71 | pub gp: Box, [INFO] [stdout] | ^^^^^^^^^^^ help: use `dyn`: `dyn GenPosition` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) 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/slow_index.rs:89:17 [INFO] [stdout] | [INFO] [stdout] 89 | pub gp: Box, [INFO] [stdout] | ^^^^^^^^^^^ help: use `dyn`: `dyn GenPosition` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) 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/slow_index.rs:106:43 [INFO] [stdout] | [INFO] [stdout] 106 | pub fn set_gen_position(self, gp: Box) -> Self { [INFO] [stdout] | ^^^^^^^^^^^ help: use `dyn`: `dyn GenPosition` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/candidate_set.rs:60:9 [INFO] [stdout] | [INFO] [stdout] 60 | (self.0 & !SOLVED) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021. [INFO] [stdout] --> src/box_line.rs:13:14 [INFO] [stdout] | [INFO] [stdout] 13 | .into_iter() [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see issue #66145 [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 13 | .iter() [INFO] [stdout] | ^^^^ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 12 | IntoIterator::into_iter([Grouping::RowType, Grouping::ColumnType]) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021. [INFO] [stdout] --> src/box_line.rs:24:26 [INFO] [stdout] | [INFO] [stdout] 24 | .into_iter() [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see issue #66145 [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 24 | .iter() [INFO] [stdout] | ^^^^ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 23 | let removed: usize = IntoIterator::into_iter(val_pos) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling rand_xoshiro v0.1.0 [INFO] [stderr] Compiling serde_json v1.0.67 [INFO] [stderr] Compiling walkdir v2.3.2 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling bstr v0.2.16 [INFO] [stderr] Compiling tinytemplate v1.2.1 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Compiling csv v1.1.6 [INFO] [stderr] Compiling criterion-plot v0.3.1 [INFO] [stderr] Compiling criterion v0.2.11 [INFO] [stderr] Compiling rs_sudoku v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/bin/pre_compute_index.rs:3:15 [INFO] [stdout] | [INFO] [stdout] 3 | type IterFn = Fn(usize) -> RelatedIndexIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize) -> RelatedIndexIterator` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) 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/slow_index.rs:71:17 [INFO] [stdout] | [INFO] [stdout] 71 | pub gp: Box, [INFO] [stdout] | ^^^^^^^^^^^ help: use `dyn`: `dyn GenPosition` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) 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/slow_index.rs:89:17 [INFO] [stdout] | [INFO] [stdout] 89 | pub gp: Box, [INFO] [stdout] | ^^^^^^^^^^^ help: use `dyn`: `dyn GenPosition` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) 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/slow_index.rs:106:43 [INFO] [stdout] | [INFO] [stdout] 106 | pub fn set_gen_position(self, gp: Box) -> Self { [INFO] [stdout] | ^^^^^^^^^^^ help: use `dyn`: `dyn GenPosition` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/candidate_set.rs:60:9 [INFO] [stdout] | [INFO] [stdout] 60 | (self.0 & !SOLVED) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021. [INFO] [stdout] --> src/box_line.rs:13:14 [INFO] [stdout] | [INFO] [stdout] 13 | .into_iter() [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see issue #66145 [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 13 | .iter() [INFO] [stdout] | ^^^^ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 12 | IntoIterator::into_iter([Grouping::RowType, Grouping::ColumnType]) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021. [INFO] [stdout] --> src/box_line.rs:24:26 [INFO] [stdout] | [INFO] [stdout] 24 | .into_iter() [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see issue #66145 [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 24 | .iter() [INFO] [stdout] | ^^^^ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 23 | let removed: usize = IntoIterator::into_iter(val_pos) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 11.40s [INFO] running `Command { std: "docker" "inspect" "849ff970eaaeabb2224480c2b582bf9cc58dfebe2c9edfab1a936755b77603c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "849ff970eaaeabb2224480c2b582bf9cc58dfebe2c9edfab1a936755b77603c2", kill_on_drop: false }` [INFO] [stdout] 849ff970eaaeabb2224480c2b582bf9cc58dfebe2c9edfab1a936755b77603c2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] e2ca2520812a85b392d48e6b345c95fa9d9c3f665985271098626681768a2fd0 [INFO] running `Command { std: "docker" "start" "-a" "e2ca2520812a85b392d48e6b345c95fa9d9c3f665985271098626681768a2fd0", kill_on_drop: false }` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/slow_index.rs:71:17 [INFO] [stderr] | [INFO] [stderr] 71 | pub gp: Box, [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn GenPosition` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/slow_index.rs:89:17 [INFO] [stderr] | [INFO] [stderr] 89 | pub gp: Box, [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn GenPosition` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/slow_index.rs:106:43 [INFO] [stderr] | [INFO] [stderr] 106 | pub fn set_gen_position(self, gp: Box) -> Self { [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn GenPosition` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> src/candidate_set.rs:60:9 [INFO] [stderr] | [INFO] [stderr] 60 | (self.0 & !SOLVED) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021. [INFO] [stderr] --> src/box_line.rs:13:14 [INFO] [stderr] | [INFO] [stderr] 13 | .into_iter() [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(array_into_iter)]` on by default [INFO] [stderr] = warning: this changes meaning in Rust 2021 [INFO] [stderr] = note: for more information, see issue #66145 [INFO] [stderr] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stderr] | [INFO] [stderr] 13 | .iter() [INFO] [stderr] | ^^^^ [INFO] [stderr] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stderr] | [INFO] [stderr] 12 | IntoIterator::into_iter([Grouping::RowType, Grouping::ColumnType]) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ ^ [INFO] [stderr] [INFO] [stderr] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021. [INFO] [stderr] --> src/box_line.rs:24:26 [INFO] [stderr] | [INFO] [stderr] 24 | .into_iter() [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this changes meaning in Rust 2021 [INFO] [stderr] = note: for more information, see issue #66145 [INFO] [stderr] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stderr] | [INFO] [stderr] 24 | .iter() [INFO] [stderr] | ^^^^ [INFO] [stderr] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stderr] | [INFO] [stderr] 23 | let removed: usize = IntoIterator::into_iter(val_pos) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ ^ [INFO] [stderr] [INFO] [stderr] warning: `rs_sudoku` (lib) generated 6 warnings [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/bin/pre_compute_index.rs:3:15 [INFO] [stderr] | [INFO] [stderr] 3 | type IterFn = Fn(usize) -> RelatedIndexIterator; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize) -> RelatedIndexIterator` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: `rs_sudoku` (bin "pre_compute_index" test) generated 1 warning [INFO] [stderr] warning: `rs_sudoku` (lib test) generated 6 warnings (6 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.23s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rs_sudoku-f06565672bab846b) [INFO] [stdout] running 29 tests [INFO] [stdout] test candidate_set::tests::test_iterator_one ... ok [INFO] [stdout] test candidate_set::tests::test_new_numbers ... ok [INFO] [stdout] test parse::tests::test_good_multiline ... ok [INFO] [stdout] test parse::tests::test_weird ... ok [INFO] [stdout] test parse::tests::test_parse_good_oneline ... ok [INFO] [stdout] test slow_index::tests::test_all_box ... ok [INFO] [stdout] test candidate_set::tests::test_new_zero ... ok [INFO] [stdout] test parse::tests::test_not_solved ... ok [INFO] [stdout] test remove_candidates::tests::test_remove_candidates ... ok [INFO] [stdout] test slow_index::tests::test_all_col ... ok [INFO] [stdout] test fast_index::tests::test_iter ... ok [INFO] [stdout] test parse::tests::error ... ok [INFO] [stdout] test candidate_set::tests::test_new_none ... ok [INFO] [stdout] test slow_index::tests::test_all_row ... ok [INFO] [stdout] test candidate_set::tests::test_multiple ... ok [INFO] [stdout] test fast_index::tests::test_comb_iter ... ok [INFO] [stdout] test slow_index::tests::test_first_col ... ok [INFO] [stdout] test slow_index::tests::test_first_row ... ok [INFO] [stdout] test slow_index::tests::test_first_box ... ok [INFO] [stdout] test slow_index::tests::test_box_quad_iter ... ok [INFO] [stdout] test slow_index::tests::test_col_quad_iter ... ok [INFO] [stdout] test slow_index::tests::test_row_quad_iter ... ok [INFO] [stdout] test solve::tests::test_another_line_box ... ok [INFO] [stdout] test solve::tests::test_bad_fuzz_a ... ok [INFO] [stdout] test solve::tests::test_try_solve_easy ... ok [INFO] [stdout] test solve::tests::test_find_naked ... ok [INFO] [stdout] test solve::tests::test_box_line ... ok [INFO] [stdout] test solve::tests::test_pointing ... ok [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/pre_compute_index-1bfb5084d7ef20af) [INFO] [stdout] test solve::tests::test_try_solve_lots ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 29 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.43s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/try_solve-370b0f91d438207a) [INFO] [stdout] [INFO] [stderr] Doc-tests rs_sudoku [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/workdir/src/candidate_set.rs:60:9 [INFO] [stderr] | [INFO] [stderr] 60 | (self.0 & !SOLVED) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "e2ca2520812a85b392d48e6b345c95fa9d9c3f665985271098626681768a2fd0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e2ca2520812a85b392d48e6b345c95fa9d9c3f665985271098626681768a2fd0", kill_on_drop: false }` [INFO] [stdout] e2ca2520812a85b392d48e6b345c95fa9d9c3f665985271098626681768a2fd0