[INFO] fetching crate dlx 0.1.0... [INFO] testing dlx-0.1.0 against beta-2022-04-10 for beta-1.61-1 [INFO] extracting crate dlx 0.1.0 into /workspace/builds/worker-20/source [INFO] validating manifest of crates.io crate dlx 0.1.0 on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate dlx 0.1.0 [INFO] finished tweaking crates.io crate dlx 0.1.0 [INFO] tweaked toml for crates.io crate dlx 0.1.0 written to /workspace/builds/worker-20/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a8129ae699f613daaf8b27ca5ef7fc8f22686142a28ae0d72a2520ab93891369 [INFO] running `Command { std: "docker" "start" "-a" "a8129ae699f613daaf8b27ca5ef7fc8f22686142a28ae0d72a2520ab93891369", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a8129ae699f613daaf8b27ca5ef7fc8f22686142a28ae0d72a2520ab93891369", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a8129ae699f613daaf8b27ca5ef7fc8f22686142a28ae0d72a2520ab93891369", kill_on_drop: false }` [INFO] [stdout] a8129ae699f613daaf8b27ca5ef7fc8f22686142a28ae0d72a2520ab93891369 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e74dea212b8dca59e8c48e89e8587d27f6bca45a8700f25d377ea2268f63fbc2 [INFO] running `Command { std: "docker" "start" "-a" "e74dea212b8dca59e8c48e89e8587d27f6bca45a8700f25d377ea2268f63fbc2", kill_on_drop: false }` [INFO] [stderr] Compiling dlx v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:178:59 [INFO] [stdout] | [INFO] [stdout] 178 | pub fn solve(&mut self, partial: Vec, sols: &mut Solutions) { [INFO] [stdout] | ^^^^^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 178 - pub fn solve(&mut self, partial: Vec, sols: &mut Solutions) { [INFO] [stdout] 178 + pub fn solve(&mut self, partial: Vec, sols: &mut dyn Solutions) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:197:60 [INFO] [stdout] | [INFO] [stdout] 197 | fn solveception(&mut self, partial: &[Row], sols: &mut Solutions) { [INFO] [stdout] | ^^^^^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 197 - fn solveception(&mut self, partial: &[Row], sols: &mut Solutions) { [INFO] [stdout] 197 + fn solveception(&mut self, partial: &[Row], sols: &mut dyn Solutions) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.83s [INFO] running `Command { std: "docker" "inspect" "e74dea212b8dca59e8c48e89e8587d27f6bca45a8700f25d377ea2268f63fbc2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e74dea212b8dca59e8c48e89e8587d27f6bca45a8700f25d377ea2268f63fbc2", kill_on_drop: false }` [INFO] [stdout] e74dea212b8dca59e8c48e89e8587d27f6bca45a8700f25d377ea2268f63fbc2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2c5b3d128501cb09eeb9ed2ddba1cbd7245d52bf58a7aaaddf4d8f2b2d4fcac3 [INFO] running `Command { std: "docker" "start" "-a" "2c5b3d128501cb09eeb9ed2ddba1cbd7245d52bf58a7aaaddf4d8f2b2d4fcac3", kill_on_drop: false }` [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:178:59 [INFO] [stdout] | [INFO] [stdout] 178 | pub fn solve(&mut self, partial: Vec, sols: &mut Solutions) { [INFO] [stdout] | ^^^^^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 178 - pub fn solve(&mut self, partial: Vec, sols: &mut Solutions) { [INFO] [stdout] 178 + pub fn solve(&mut self, partial: Vec, sols: &mut dyn Solutions) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling dlx v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:197:60 [INFO] [stdout] | [INFO] [stdout] 197 | fn solveception(&mut self, partial: &[Row], sols: &mut Solutions) { [INFO] [stdout] | ^^^^^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 197 - fn solveception(&mut self, partial: &[Row], sols: &mut Solutions) { [INFO] [stdout] 197 + fn solveception(&mut self, partial: &[Row], sols: &mut dyn Solutions) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:178:59 [INFO] [stdout] | [INFO] [stdout] 178 | pub fn solve(&mut self, partial: Vec, sols: &mut Solutions) { [INFO] [stdout] | ^^^^^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 178 - pub fn solve(&mut self, partial: Vec, sols: &mut Solutions) { [INFO] [stdout] 178 + pub fn solve(&mut self, partial: Vec, sols: &mut dyn Solutions) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:197:60 [INFO] [stdout] | [INFO] [stdout] 197 | fn solveception(&mut self, partial: &[Row], sols: &mut Solutions) { [INFO] [stdout] | ^^^^^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 197 - fn solveception(&mut self, partial: &[Row], sols: &mut Solutions) { [INFO] [stdout] 197 + fn solveception(&mut self, partial: &[Row], sols: &mut dyn Solutions) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> examples/sudoku.rs:91:9 [INFO] [stdout] | [INFO] [stdout] 91 | / /// Convert the rows from the exact cover matrix into a [INFO] [stdout] 92 | | /// standard sudoku grid. [INFO] [stdout] | |_________________________________^ [INFO] [stdout] 93 | let mut grid = vec![b'0'; SIZE_SQ]; [INFO] [stdout] | ----------------------------------- rustdoc does not generate documentation for statements [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.74s [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/dlx-e74f97f6f8b6aaee) [INFO] running `Command { std: "docker" "inspect" "2c5b3d128501cb09eeb9ed2ddba1cbd7245d52bf58a7aaaddf4d8f2b2d4fcac3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2c5b3d128501cb09eeb9ed2ddba1cbd7245d52bf58a7aaaddf4d8f2b2d4fcac3", kill_on_drop: false }` [INFO] [stdout] 2c5b3d128501cb09eeb9ed2ddba1cbd7245d52bf58a7aaaddf4d8f2b2d4fcac3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] c1ec1e68c4ca75019698c19eb722db736caf2b8be8ff7d32eab0de8afe6011ec [INFO] running `Command { std: "docker" "start" "-a" "c1ec1e68c4ca75019698c19eb722db736caf2b8be8ff7d32eab0de8afe6011ec", kill_on_drop: false }` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:178:59 [INFO] [stderr] | [INFO] [stderr] 178 | pub fn solve(&mut self, partial: Vec, sols: &mut Solutions) { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 178 - pub fn solve(&mut self, partial: Vec, sols: &mut Solutions) { [INFO] [stderr] 178 + pub fn solve(&mut self, partial: Vec, sols: &mut dyn Solutions) { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:197:60 [INFO] [stderr] | [INFO] [stderr] 197 | fn solveception(&mut self, partial: &[Row], sols: &mut Solutions) { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 197 - fn solveception(&mut self, partial: &[Row], sols: &mut Solutions) { [INFO] [stderr] 197 + fn solveception(&mut self, partial: &[Row], sols: &mut dyn Solutions) { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `dlx` (lib) generated 2 warnings [INFO] [stderr] warning: `dlx` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> examples/sudoku.rs:91:9 [INFO] [stderr] | [INFO] [stderr] 91 | / /// Convert the rows from the exact cover matrix into a [INFO] [stderr] 92 | | /// standard sudoku grid. [INFO] [stderr] | |_________________________________^ [INFO] [stderr] 93 | let mut grid = vec![b'0'; SIZE_SQ]; [INFO] [stderr] | ----------------------------------- rustdoc does not generate documentation for statements [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stderr] = help: use `//` for a plain comment [INFO] [stderr] [INFO] [stderr] warning: `dlx` (example "sudoku") generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/dlx-e74f97f6f8b6aaee) [INFO] [stdout] running 0 tests [INFO] [stderr] Doc-tests dlx [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] [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" "c1ec1e68c4ca75019698c19eb722db736caf2b8be8ff7d32eab0de8afe6011ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c1ec1e68c4ca75019698c19eb722db736caf2b8be8ff7d32eab0de8afe6011ec", kill_on_drop: false }` [INFO] [stdout] c1ec1e68c4ca75019698c19eb722db736caf2b8be8ff7d32eab0de8afe6011ec