[INFO] cloning repository https://github.com/maurocordioli/rs-sudoku [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maurocordioli/rs-sudoku" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaurocordioli%2Frs-sudoku", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaurocordioli%2Frs-sudoku'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f51339a2bb6dd294e4d98a8e5d15697af28ec9b7 [INFO] testing maurocordioli/rs-sudoku against master#414482f6a0d4e7290f614300581a0b55442552a3 for pr-140985 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaurocordioli%2Frs-sudoku" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/maurocordioli/rs-sudoku on toolchain 414482f6a0d4e7290f614300581a0b55442552a3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/maurocordioli/rs-sudoku [INFO] finished tweaking git repo https://github.com/maurocordioli/rs-sudoku [INFO] tweaked toml for git repo https://github.com/maurocordioli/rs-sudoku written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/maurocordioli/rs-sudoku already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded bitflags v1.0.5 [INFO] [stderr] Downloaded tinytemplate v1.0.1 [INFO] [stderr] Downloaded proc-macro2 v0.4.29 [INFO] [stderr] Downloaded syn v0.15.33 [INFO] [stderr] Downloaded csv v1.0.7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f7443d68479c3b9a9ca33c54aa998cefc5bca393cce5ff8779474704bbf5b75a [INFO] running `Command { std: "docker" "start" "-a" "f7443d68479c3b9a9ca33c54aa998cefc5bca393cce5ff8779474704bbf5b75a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f7443d68479c3b9a9ca33c54aa998cefc5bca393cce5ff8779474704bbf5b75a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f7443d68479c3b9a9ca33c54aa998cefc5bca393cce5ff8779474704bbf5b75a", kill_on_drop: false }` [INFO] [stdout] f7443d68479c3b9a9ca33c54aa998cefc5bca393cce5ff8779474704bbf5b75a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 880b499e41d6c27d5275dfa1bcbd104f2edcb8a8942b60c03658480703b8ae5b [INFO] running `Command { std: "docker" "start" "-a" "880b499e41d6c27d5275dfa1bcbd104f2edcb8a8942b60c03658480703b8ae5b", kill_on_drop: false }` [INFO] [stderr] Compiling rssudoku v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/lib.rs:305:2 [INFO] [stdout] | [INFO] [stdout] 269 | / loop { [INFO] [stdout] 270 | | [INFO] [stdout] 271 | | for (t,v) in touched.into_iter().enumerate() { [INFO] [stdout] 272 | | if !v { continue;} [INFO] [stdout] ... | [INFO] [stdout] 301 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 305 | ass [INFO] [stdout] | ^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `size` is never read [INFO] [stdout] --> src/lib.rs:8:22 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct Config { size: usize } [INFO] [stdout] | ------ ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `Config` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.99s [INFO] running `Command { std: "docker" "inspect" "880b499e41d6c27d5275dfa1bcbd104f2edcb8a8942b60c03658480703b8ae5b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "880b499e41d6c27d5275dfa1bcbd104f2edcb8a8942b60c03658480703b8ae5b", kill_on_drop: false }` [INFO] [stdout] 880b499e41d6c27d5275dfa1bcbd104f2edcb8a8942b60c03658480703b8ae5b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4527d8cdcbe74796c8dc229c95c0d82f7dc3047b3a6a2b80ecf29d633b3b3847 [INFO] running `Command { std: "docker" "start" "-a" "4527d8cdcbe74796c8dc229c95c0d82f7dc3047b3a6a2b80ecf29d633b3b3847", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.54 [INFO] [stderr] Compiling arrayvec v0.4.10 [INFO] [stderr] Compiling ryu v0.2.8 [INFO] [stderr] Compiling cfg-if v0.1.7 [INFO] [stderr] Compiling proc-macro2 v0.4.29 [INFO] [stderr] Compiling serde v1.0.90 [INFO] [stderr] Compiling nodrop v0.1.13 [INFO] [stderr] Compiling rayon-core v1.4.1 [INFO] [stderr] Compiling crossbeam-utils v0.2.2 [INFO] [stderr] Compiling byteorder v1.3.1 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling memoffset v0.2.1 [INFO] [stderr] Compiling lazy_static v1.3.0 [INFO] [stderr] Compiling scopeguard v0.3.3 [INFO] [stderr] Compiling rand_core v0.4.0 [INFO] [stderr] Compiling either v1.5.2 [INFO] [stderr] Compiling itoa v0.4.4 [INFO] [stderr] Compiling bitflags v1.0.5 [INFO] [stderr] Compiling syn v0.15.33 [INFO] [stderr] Compiling rayon v1.0.3 [INFO] [stderr] Compiling crossbeam-epoch v0.3.1 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling num_cpus v1.10.0 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Compiling unicode-width v0.1.5 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling itertools v0.8.0 [INFO] [stderr] Compiling cast v0.2.2 [INFO] [stderr] Compiling same-file v1.0.4 [INFO] [stderr] Compiling crossbeam-deque v0.2.0 [INFO] [stderr] Compiling csv-core v0.1.5 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling walkdir v2.2.7 [INFO] [stderr] Compiling rand_xoshiro v0.1.0 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/lib.rs:305:2 [INFO] [stdout] | [INFO] [stdout] 269 | / loop { [INFO] [stdout] 270 | | [INFO] [stdout] 271 | | for (t,v) in touched.into_iter().enumerate() { [INFO] [stdout] 272 | | if !v { continue;} [INFO] [stdout] ... | [INFO] [stdout] 301 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 305 | ass [INFO] [stdout] | ^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `size` is never read [INFO] [stdout] --> src/lib.rs:8:22 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct Config { size: usize } [INFO] [stdout] | ------ ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `Config` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling criterion-plot v0.3.1 [INFO] [stderr] Compiling serde_json v1.0.39 [INFO] [stderr] Compiling csv v1.0.7 [INFO] [stderr] Compiling serde_derive v1.0.90 [INFO] [stderr] Compiling tinytemplate v1.0.1 [INFO] [stderr] Compiling criterion v0.2.11 [INFO] [stderr] Compiling rssudoku v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/lib.rs:305:2 [INFO] [stdout] | [INFO] [stdout] 269 | / loop { [INFO] [stdout] 270 | | [INFO] [stdout] 271 | | for (t,v) in touched.into_iter().enumerate() { [INFO] [stdout] 272 | | if !v { continue;} [INFO] [stdout] ... | [INFO] [stdout] 301 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 305 | ass [INFO] [stdout] | ^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `size` is never read [INFO] [stdout] --> src/lib.rs:8:22 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct Config { size: usize } [INFO] [stdout] | ------ ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `Config` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 31.78s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.2.11 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "4527d8cdcbe74796c8dc229c95c0d82f7dc3047b3a6a2b80ecf29d633b3b3847", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4527d8cdcbe74796c8dc229c95c0d82f7dc3047b3a6a2b80ecf29d633b3b3847", kill_on_drop: false }` [INFO] [stdout] 4527d8cdcbe74796c8dc229c95c0d82f7dc3047b3a6a2b80ecf29d633b3b3847 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 3fa8584846a22e7f87aa6a66ef0bc3e85d1929596ff2907905a708fe1e6c6ed2 [INFO] running `Command { std: "docker" "start" "-a" "3fa8584846a22e7f87aa6a66ef0bc3e85d1929596ff2907905a708fe1e6c6ed2", kill_on_drop: false }` [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/lib.rs:305:2 [INFO] [stderr] | [INFO] [stderr] 269 | / loop { [INFO] [stderr] 270 | | [INFO] [stderr] 271 | | for (t,v) in touched.into_iter().enumerate() { [INFO] [stderr] 272 | | if !v { continue;} [INFO] [stderr] ... | [INFO] [stderr] 301 | | } [INFO] [stderr] | |_____- any code following this expression is unreachable [INFO] [stderr] ... [INFO] [stderr] 305 | ass [INFO] [stderr] | ^^^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field `size` is never read [INFO] [stderr] --> src/lib.rs:8:22 [INFO] [stderr] | [INFO] [stderr] 8 | pub struct Config { size: usize } [INFO] [stderr] | ------ ^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this struct [INFO] [stderr] | [INFO] [stderr] = note: `Config` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `rssudoku` (lib) generated 2 warnings [INFO] [stderr] warning: `rssudoku` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.2.11 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rssudoku-623530feddfe7808) [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test test_isvalid ... ok [INFO] [stdout] test test_isvalid_block ... ok [INFO] [stdout] test test_alternatives ... ok [INFO] [stdout] test test_make_assumptions ... ok [INFO] [stdout] test test_solve ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rssudoku-edce3133fafd6f78) [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] Doc-tests rssudoku [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - Board::solve (line 343) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.28s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "3fa8584846a22e7f87aa6a66ef0bc3e85d1929596ff2907905a708fe1e6c6ed2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3fa8584846a22e7f87aa6a66ef0bc3e85d1929596ff2907905a708fe1e6c6ed2", kill_on_drop: false }` [INFO] [stdout] 3fa8584846a22e7f87aa6a66ef0bc3e85d1929596ff2907905a708fe1e6c6ed2