[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#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaurocordioli%2Frs-sudoku" "/workspace/builds/worker-66/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-66/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/maurocordioli/rs-sudoku on toolchain 62efba8a050c64249dab942951bb28f710208bc8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-66/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: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ad72ab0726941317d38eea262ca3666ace46a394ae77dc46d49d395c81cc2648 [INFO] running `Command { std: "docker" "start" "-a" "ad72ab0726941317d38eea262ca3666ace46a394ae77dc46d49d395c81cc2648", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ad72ab0726941317d38eea262ca3666ace46a394ae77dc46d49d395c81cc2648", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ad72ab0726941317d38eea262ca3666ace46a394ae77dc46d49d395c81cc2648", kill_on_drop: false }` [INFO] [stdout] ad72ab0726941317d38eea262ca3666ace46a394ae77dc46d49d395c81cc2648 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1edbe9c51a72dd3e5f8b859c405ec305ec15404f97e6e50c63511c978f48d7f9 [INFO] running `Command { std: "docker" "start" "-a" "1edbe9c51a72dd3e5f8b859c405ec305ec15404f97e6e50c63511c978f48d7f9", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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] 300 | | [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 is never read: `size` [INFO] [stdout] --> src/lib.rs:8:22 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct Config { size: usize } [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.40s [INFO] running `Command { std: "docker" "inspect" "1edbe9c51a72dd3e5f8b859c405ec305ec15404f97e6e50c63511c978f48d7f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1edbe9c51a72dd3e5f8b859c405ec305ec15404f97e6e50c63511c978f48d7f9", kill_on_drop: false }` [INFO] [stdout] 1edbe9c51a72dd3e5f8b859c405ec305ec15404f97e6e50c63511c978f48d7f9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3e9a5d5bf545d908d9d45ad39e390685abc815e635feead36782d18d35a31ab9 [INFO] running `Command { std: "docker" "start" "-a" "3e9a5d5bf545d908d9d45ad39e390685abc815e635feead36782d18d35a31ab9", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.54 [INFO] [stderr] Compiling arrayvec v0.4.10 [INFO] [stderr] Compiling proc-macro2 v0.4.29 [INFO] [stderr] Compiling nodrop v0.1.13 [INFO] [stderr] Compiling serde v1.0.90 [INFO] [stderr] Compiling ryu v0.2.8 [INFO] [stderr] Compiling cfg-if v0.1.7 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling rayon-core v1.4.1 [INFO] [stderr] Compiling memoffset v0.2.1 [INFO] [stderr] Compiling either v1.5.2 [INFO] [stderr] Compiling itoa v0.4.4 [INFO] [stderr] Compiling syn v0.15.33 [INFO] [stderr] Compiling bitflags v1.0.5 [INFO] [stderr] Compiling rayon v1.0.3 [INFO] [stderr] Compiling cast v0.2.2 [INFO] [stderr] Compiling same-file v1.0.4 [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] 300 | | [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 is never read: `size` [INFO] [stdout] --> src/lib.rs:8:22 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct Config { size: usize } [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling rand_xoshiro v0.1.0 [INFO] [stderr] Compiling crossbeam-utils v0.2.2 [INFO] [stderr] Compiling walkdir v2.2.7 [INFO] [stderr] Compiling itertools v0.8.0 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling criterion-plot v0.3.1 [INFO] [stderr] Compiling serde_json v1.0.39 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Compiling num_cpus v1.10.0 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling tinytemplate v1.0.1 [INFO] [stderr] Compiling crossbeam-epoch v0.3.1 [INFO] [stderr] Compiling csv-core v0.1.5 [INFO] [stderr] Compiling crossbeam-deque v0.2.0 [INFO] [stderr] Compiling csv v1.0.7 [INFO] [stderr] Compiling serde_derive v1.0.90 [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] 300 | | [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 is never read: `size` [INFO] [stdout] --> src/lib.rs:8:22 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct Config { size: usize } [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1m 13s [INFO] running `Command { std: "docker" "inspect" "3e9a5d5bf545d908d9d45ad39e390685abc815e635feead36782d18d35a31ab9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3e9a5d5bf545d908d9d45ad39e390685abc815e635feead36782d18d35a31ab9", kill_on_drop: false }` [INFO] [stdout] 3e9a5d5bf545d908d9d45ad39e390685abc815e635feead36782d18d35a31ab9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] a3faa5c9271a8849e6514761eab27d90eab4c39a1556f7253658b64db1851395 [INFO] running `Command { std: "docker" "start" "-a" "a3faa5c9271a8849e6514761eab27d90eab4c39a1556f7253658b64db1851395", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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] 300 | | [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 is never read: `size` [INFO] [stderr] --> src/lib.rs:8:22 [INFO] [stderr] | [INFO] [stderr] 8 | pub struct Config { size: usize } [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [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 [unoptimized + debuginfo] target(s) in 0.30s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rssudoku-e0ac91b677bb2166) [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test test_alternatives ... ok [INFO] [stdout] test test_isvalid ... ok [INFO] [stdout] test test_isvalid_block ... 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 0.04s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rssudoku-27cd2c234769ef15) [INFO] [stdout] [INFO] [stderr] Doc-tests rssudoku [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 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 0.45s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "a3faa5c9271a8849e6514761eab27d90eab4c39a1556f7253658b64db1851395", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a3faa5c9271a8849e6514761eab27d90eab4c39a1556f7253658b64db1851395", kill_on_drop: false }` [INFO] [stdout] a3faa5c9271a8849e6514761eab27d90eab4c39a1556f7253658b64db1851395