[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] checking maurocordioli/rs-sudoku against master#040e2f8b9ff2d76fbe2146d6003e297ed4532088 for pr-143619 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaurocordioli%2Frs-sudoku" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [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-3-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/maurocordioli/rs-sudoku on toolchain 040e2f8b9ff2d76fbe2146d6003e297ed4532088 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "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] [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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e8955075918b6d00525c617f7c34ee2595c70db70b3cf844dc875e4d3604499b" "/opt/rustwide/cargo-home/bin/cargo" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1cebba6c7f0c71b40fa115825fcf794a997cbfc0fe4bfd4b1942185e2a0a1bce [INFO] running `Command { std: "docker" "start" "-a" "1cebba6c7f0c71b40fa115825fcf794a997cbfc0fe4bfd4b1942185e2a0a1bce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1cebba6c7f0c71b40fa115825fcf794a997cbfc0fe4bfd4b1942185e2a0a1bce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1cebba6c7f0c71b40fa115825fcf794a997cbfc0fe4bfd4b1942185e2a0a1bce", kill_on_drop: false }` [INFO] [stdout] 1cebba6c7f0c71b40fa115825fcf794a997cbfc0fe4bfd4b1942185e2a0a1bce [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e8955075918b6d00525c617f7c34ee2595c70db70b3cf844dc875e4d3604499b" "/opt/rustwide/cargo-home/bin/cargo" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 425ff5138711f4f6aaf7f2634b9dd196c92c8b4a3b6efff4141f621ecc283777 [INFO] running `Command { std: "docker" "start" "-a" "425ff5138711f4f6aaf7f2634b9dd196c92c8b4a3b6efff4141f621ecc283777", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.54 [INFO] [stderr] Compiling arrayvec v0.4.10 [INFO] [stderr] Compiling serde v1.0.90 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Compiling proc-macro2 v0.4.29 [INFO] [stderr] Compiling ryu v0.2.8 [INFO] [stderr] Checking cfg-if v0.1.7 [INFO] [stderr] Compiling byteorder v1.3.1 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Compiling rayon-core v1.4.1 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.33 [INFO] [stderr] Checking either v1.5.2 [INFO] [stderr] Checking rand_core v0.4.0 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Compiling bitflags v1.0.5 [INFO] [stderr] Checking num_cpus v1.10.0 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling rayon v1.0.3 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking csv-core v0.1.5 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking itertools v0.8.0 [INFO] [stderr] Checking same-file v1.0.4 [INFO] [stderr] Checking cast v0.2.2 [INFO] [stderr] Checking walkdir v2.2.7 [INFO] [stderr] Checking rand_xoshiro v0.1.0 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking 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] Checking criterion-plot v0.3.1 [INFO] [stderr] Checking serde_json v1.0.39 [INFO] [stderr] Checking csv v1.0.7 [INFO] [stderr] Compiling serde_derive v1.0.90 [INFO] [stderr] Checking tinytemplate v1.0.1 [INFO] [stderr] Checking criterion v0.2.11 [INFO] [stdout] warning: unused import: `criterion::black_box` [INFO] [stdout] --> src/my_benchmarks.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use criterion::black_box; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/my_benchmarks.rs:26:8 [INFO] [stdout] | [INFO] [stdout] 26 | b.read_from("800000000003600000070090200050007000000045700000100030001000068008500010090000400".as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 26 | let _ = b.read_from("800000000003600000070090200050007000000045700000100030001000068008500010090000400".as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [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 19.61s [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" "425ff5138711f4f6aaf7f2634b9dd196c92c8b4a3b6efff4141f621ecc283777", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "425ff5138711f4f6aaf7f2634b9dd196c92c8b4a3b6efff4141f621ecc283777", kill_on_drop: false }` [INFO] [stdout] 425ff5138711f4f6aaf7f2634b9dd196c92c8b4a3b6efff4141f621ecc283777