[INFO] fetching crate dlx 0.1.0... [INFO] testing dlx-0.1.0 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479 [INFO] extracting crate dlx 0.1.0 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate dlx 0.1.0 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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-2/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", 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] 593b61958802c4244366179db75b4ef63a985401aa1a85a319ee5b51d994b606 [INFO] running `Command { std: "docker" "start" "-a" "593b61958802c4244366179db75b4ef63a985401aa1a85a319ee5b51d994b606", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "593b61958802c4244366179db75b4ef63a985401aa1a85a319ee5b51d994b606", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "593b61958802c4244366179db75b4ef63a985401aa1a85a319ee5b51d994b606", kill_on_drop: false }` [INFO] [stdout] 593b61958802c4244366179db75b4ef63a985401aa1a85a319ee5b51d994b606 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5cdac776645597d4731a3a1cc3f7bef9b5fae4a394c4a2a8a68b63f44da4e193 [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" "5cdac776645597d4731a3a1cc3f7bef9b5fae4a394c4a2a8a68b63f44da4e193", 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] | ^^^^^^^^^ help: use `dyn`: `dyn Solutions` [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/lib.rs:197:60 [INFO] [stdout] | [INFO] [stdout] 197 | fn solveception(&mut self, partial: &[Row], sols: &mut Solutions) { [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Solutions` [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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.69s [INFO] running `Command { std: "docker" "inspect" "5cdac776645597d4731a3a1cc3f7bef9b5fae4a394c4a2a8a68b63f44da4e193", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5cdac776645597d4731a3a1cc3f7bef9b5fae4a394c4a2a8a68b63f44da4e193", kill_on_drop: false }` [INFO] [stdout] 5cdac776645597d4731a3a1cc3f7bef9b5fae4a394c4a2a8a68b63f44da4e193 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] abd39780b3f0e0ade2a54d0da5372cf4ec2a4dacc65cc93b0c8b6e3e7780b2dd [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" "abd39780b3f0e0ade2a54d0da5372cf4ec2a4dacc65cc93b0c8b6e3e7780b2dd", 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] | ^^^^^^^^^ help: use `dyn`: `dyn Solutions` [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] [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] | ^^^^^^^^^ help: use `dyn`: `dyn Solutions` [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: 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] | ^^^^^^^^^ help: use `dyn`: `dyn Solutions` [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/lib.rs:197:60 [INFO] [stdout] | [INFO] [stdout] 197 | fn solveception(&mut self, partial: &[Row], sols: &mut Solutions) { [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Solutions` [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: 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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.40s [INFO] running `Command { std: "docker" "inspect" "abd39780b3f0e0ade2a54d0da5372cf4ec2a4dacc65cc93b0c8b6e3e7780b2dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "abd39780b3f0e0ade2a54d0da5372cf4ec2a4dacc65cc93b0c8b6e3e7780b2dd", kill_on_drop: false }` [INFO] [stdout] abd39780b3f0e0ade2a54d0da5372cf4ec2a4dacc65cc93b0c8b6e3e7780b2dd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", 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] 0156f3fd184508a14075a1a32b39cb62fcd1bab37c5da7711b20dcf4a449fdf8 [INFO] running `Command { std: "docker" "start" "-a" "0156f3fd184508a14075a1a32b39cb62fcd1bab37c5da7711b20dcf4a449fdf8", 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] | ^^^^^^^^^ help: use `dyn`: `dyn Solutions` [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 issue #80165 [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] | ^^^^^^^^^ help: use `dyn`: `dyn Solutions` [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 issue #80165 [INFO] [stderr] [INFO] [stderr] warning: `dlx` (lib) generated 2 warnings [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` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] warning: `dlx` (example "sudoku") generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/dlx-9354b91a64fa064e) [INFO] [stdout] [INFO] [stderr] Doc-tests dlx [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] [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" "0156f3fd184508a14075a1a32b39cb62fcd1bab37c5da7711b20dcf4a449fdf8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0156f3fd184508a14075a1a32b39cb62fcd1bab37c5da7711b20dcf4a449fdf8", kill_on_drop: false }` [INFO] [stdout] 0156f3fd184508a14075a1a32b39cb62fcd1bab37c5da7711b20dcf4a449fdf8