[INFO] crate rs_sudoku 0.1.2 is already in cache
[INFO] checking rs_sudoku-0.1.2 against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] extracting crate rs_sudoku 0.1.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rs_sudoku 0.1.2 on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "/opt/rustwide/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 954df360b6c89961ed1584f0fed8bdfc4ee15149790aebe3481ff0e8e4bef1a3
[INFO] running `"docker" "start" "-a" "954df360b6c89961ed1584f0fed8bdfc4ee15149790aebe3481ff0e8e4bef1a3"`
[INFO] [stderr]     Checking rs_sudoku v0.1.2 (/opt/rustwide/workdir)
[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<GenPosition>,
[INFO] [stderr]    |                 ^^^^^^^^^^^ help: use `dyn`: `dyn GenPosition`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[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<GenPosition>,
[INFO] [stderr]    |                 ^^^^^^^^^^^ help: use `dyn`: `dyn GenPosition`
[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<GenPosition>) -> Self {
[INFO] [stderr]     |                                           ^^^^^^^^^^^ help: use `dyn`: `dyn GenPosition`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/slow_index.rs:71:17
[INFO] [stderr]    |
[INFO] [stderr] 71 |     pub gp: Box<GenPosition>,
[INFO] [stderr]    |                 ^^^^^^^^^^^ help: use `dyn`: `dyn GenPosition`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[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<GenPosition>,
[INFO] [stderr]    |                 ^^^^^^^^^^^ help: use `dyn`: `dyn GenPosition`
[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<GenPosition>) -> Self {
[INFO] [stderr]     |                                           ^^^^^^^^^^^ help: use `dyn`: `dyn GenPosition`
[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 currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stderr]   --> src/box_line.rs:13:14
[INFO] [stderr]    |
[INFO] [stderr] 13 |             .into_iter()
[INFO] [stderr]    |              ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] 
[INFO] [stderr] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stderr]   --> src/box_line.rs:24:26
[INFO] [stderr]    |
[INFO] [stderr] 24 |                         .into_iter()
[INFO] [stderr]    |                          ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] 
[INFO] [stderr] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stderr]   --> src/box_line.rs:13:14
[INFO] [stderr]    |
[INFO] [stderr] 13 |             .into_iter()
[INFO] [stderr]    |              ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] 
[INFO] [stderr] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stderr]   --> src/box_line.rs:24:26
[INFO] [stderr]    |
[INFO] [stderr] 24 |                         .into_iter()
[INFO] [stderr]    |                          ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] 
[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] 
[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] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.52s
[INFO] running `"docker" "inspect" "954df360b6c89961ed1584f0fed8bdfc4ee15149790aebe3481ff0e8e4bef1a3"`
[INFO] running `"docker" "rm" "-f" "954df360b6c89961ed1584f0fed8bdfc4ee15149790aebe3481ff0e8e4bef1a3"`
[INFO] [stdout] 954df360b6c89961ed1584f0fed8bdfc4ee15149790aebe3481ff0e8e4bef1a3
