[INFO] cloning repository https://github.com/Lakret/backtrack_rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Lakret/backtrack_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLakret%2Fbacktrack_rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLakret%2Fbacktrack_rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 21a7dfdaf0c1a79561b1e3182f90e30563868603 [INFO] testing Lakret/backtrack_rs against beta-2021-09-08 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLakret%2Fbacktrack_rs" "/workspace/builds/worker-51/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-51/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Lakret/backtrack_rs on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Lakret/backtrack_rs [INFO] finished tweaking git repo https://github.com/Lakret/backtrack_rs [INFO] tweaked toml for git repo https://github.com/Lakret/backtrack_rs written to /workspace/builds/worker-51/source/Cargo.toml [INFO] crate git repo https://github.com/Lakret/backtrack_rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded wasm-bindgen-macro-support v0.2.62 [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.62 [INFO] [stderr] Downloaded js-sys v0.3.39 [INFO] [stderr] Downloaded oorandom v11.1.1 [INFO] [stderr] Downloaded wasm-bindgen-macro v0.2.62 [INFO] [stderr] Downloaded wasm-bindgen-backend v0.2.62 [INFO] [stderr] Downloaded bstr v0.2.13 [INFO] [stderr] Downloaded quote v1.0.5 [INFO] [stderr] Downloaded syn v1.0.21 [INFO] [stderr] Downloaded wasm-bindgen v0.2.62 [INFO] [stderr] Downloaded plotters v0.2.14 [INFO] [stderr] Downloaded web-sys v0.3.39 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 59be9dca3d1e83ce0b59feefb9e6409ed28518e6a7491364f2d1c32dd67ce16a [INFO] running `Command { std: "docker" "start" "-a" "59be9dca3d1e83ce0b59feefb9e6409ed28518e6a7491364f2d1c32dd67ce16a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "59be9dca3d1e83ce0b59feefb9e6409ed28518e6a7491364f2d1c32dd67ce16a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "59be9dca3d1e83ce0b59feefb9e6409ed28518e6a7491364f2d1c32dd67ce16a", kill_on_drop: false }` [INFO] [stdout] 59be9dca3d1e83ce0b59feefb9e6409ed28518e6a7491364f2d1c32dd67ce16a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c436a127d9809dd7dcbccdd5dc4fe86fa35226e330c00808eecffe3d5149bf97 [INFO] running `Command { std: "docker" "start" "-a" "c436a127d9809dd7dcbccdd5dc4fe86fa35226e330c00808eecffe3d5149bf97", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.4 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling crossbeam-queue v0.2.1 [INFO] [stderr] Compiling crossbeam-channel v0.4.2 [INFO] [stderr] Compiling crossbeam-deque v0.7.3 [INFO] [stderr] Compiling crossbeam v0.7.3 [INFO] [stderr] Compiling backtrack_rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::thread::JoinHandle` [INFO] [stdout] --> src/lib.rs:210:5 [INFO] [stdout] | [INFO] [stdout] 210 | use std::thread::JoinHandle; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `iteration` [INFO] [stdout] --> src/lib.rs:284:3 [INFO] [stdout] | [INFO] [stdout] 284 | iteration: u32, [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_iteration` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `reduced_domain` [INFO] [stdout] --> src/ac3.rs:19:13 [INFO] [stdout] | [INFO] [stdout] 19 | let reduced_domain = csp [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_reduced_domain` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/ac3.rs:33:8 [INFO] [stdout] | [INFO] [stdout] 33 | [x, y] => {} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/ac3.rs:33:11 [INFO] [stdout] | [INFO] [stdout] 33 | [x, y] => {} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/ac3.rs:15:7 [INFO] [stdout] | [INFO] [stdout] 15 | let mut constraint_refs = csp.constraints.iter().collect::>(); [INFO] [stdout] | ----^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `lazy_static::lazy_static` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use lazy_static::lazy_static; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.58s [INFO] running `Command { std: "docker" "inspect" "c436a127d9809dd7dcbccdd5dc4fe86fa35226e330c00808eecffe3d5149bf97", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c436a127d9809dd7dcbccdd5dc4fe86fa35226e330c00808eecffe3d5149bf97", kill_on_drop: false }` [INFO] [stdout] c436a127d9809dd7dcbccdd5dc4fe86fa35226e330c00808eecffe3d5149bf97 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b7a9b983b39efdb0c56fd2031ed48f5e5717ea123b94cbf16f53286ed2c148f6 [INFO] running `Command { std: "docker" "start" "-a" "b7a9b983b39efdb0c56fd2031ed48f5e5717ea123b94cbf16f53286ed2c148f6", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.70 [INFO] [stderr] Compiling serde v1.0.110 [INFO] [stderr] Compiling ryu v1.0.4 [INFO] [stderr] Compiling proc-macro2 v1.0.12 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Compiling itoa v0.4.5 [INFO] [stderr] Compiling syn v1.0.21 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling unicode-width v0.1.7 [INFO] [stderr] Compiling regex-syntax v0.6.17 [INFO] [stderr] Compiling oorandom v11.1.1 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stdout] warning: unused import: `std::thread::JoinHandle` [INFO] [stdout] --> src/lib.rs:210:5 [INFO] [stdout] | [INFO] [stdout] 210 | use std::thread::JoinHandle; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `iteration` [INFO] [stdout] --> src/lib.rs:284:3 [INFO] [stdout] | [INFO] [stdout] 284 | iteration: u32, [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_iteration` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `reduced_domain` [INFO] [stdout] --> src/ac3.rs:19:13 [INFO] [stdout] | [INFO] [stdout] 19 | let reduced_domain = csp [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_reduced_domain` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/ac3.rs:33:8 [INFO] [stdout] | [INFO] [stdout] 33 | [x, y] => {} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/ac3.rs:33:11 [INFO] [stdout] | [INFO] [stdout] 33 | [x, y] => {} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/ac3.rs:15:7 [INFO] [stdout] | [INFO] [stdout] 15 | let mut constraint_refs = csp.constraints.iter().collect::>(); [INFO] [stdout] | ----^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling itertools v0.9.0 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling clap v2.33.1 [INFO] [stderr] Compiling criterion-plot v0.4.2 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling regex v1.3.7 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling quote v1.0.5 [INFO] [stderr] Compiling plotters v0.2.14 [INFO] [stderr] Compiling rayon v1.3.0 [INFO] [stderr] Compiling serde_json v1.0.53 [INFO] [stderr] Compiling bstr v0.2.13 [INFO] [stderr] Compiling csv v1.1.3 [INFO] [stderr] Compiling tinytemplate v1.0.4 [INFO] [stderr] Compiling serde_derive v1.0.110 [INFO] [stderr] Compiling criterion v0.3.2 [INFO] [stderr] Compiling backtrack_rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `lazy_static::lazy_static` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use lazy_static::lazy_static; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread::JoinHandle` [INFO] [stdout] --> src/lib.rs:210:5 [INFO] [stdout] | [INFO] [stdout] 210 | use std::thread::JoinHandle; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `iteration` [INFO] [stdout] --> src/lib.rs:284:3 [INFO] [stdout] | [INFO] [stdout] 284 | iteration: u32, [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_iteration` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `reduced_domain` [INFO] [stdout] --> src/ac3.rs:19:13 [INFO] [stdout] | [INFO] [stdout] 19 | let reduced_domain = csp [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_reduced_domain` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/ac3.rs:33:8 [INFO] [stdout] | [INFO] [stdout] 33 | [x, y] => {} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/ac3.rs:33:11 [INFO] [stdout] | [INFO] [stdout] 33 | [x, y] => {} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/ac3.rs:15:7 [INFO] [stdout] | [INFO] [stdout] 15 | let mut constraint_refs = csp.constraints.iter().collect::>(); [INFO] [stdout] | ----^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 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 24.00s [INFO] running `Command { std: "docker" "inspect" "b7a9b983b39efdb0c56fd2031ed48f5e5717ea123b94cbf16f53286ed2c148f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b7a9b983b39efdb0c56fd2031ed48f5e5717ea123b94cbf16f53286ed2c148f6", kill_on_drop: false }` [INFO] [stdout] b7a9b983b39efdb0c56fd2031ed48f5e5717ea123b94cbf16f53286ed2c148f6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] be3dc281642d3651d71ea2db07b8fdd1dd960b8cef0bb27bcff11514ed4d46a4 [INFO] running `Command { std: "docker" "start" "-a" "be3dc281642d3651d71ea2db07b8fdd1dd960b8cef0bb27bcff11514ed4d46a4", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused import: `std::thread::JoinHandle` [INFO] [stderr] --> src/lib.rs:210:5 [INFO] [stderr] | [INFO] [stderr] 210 | use std::thread::JoinHandle; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `iteration` [INFO] [stderr] --> src/lib.rs:284:3 [INFO] [stderr] | [INFO] [stderr] 284 | iteration: u32, [INFO] [stderr] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_iteration` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `reduced_domain` [INFO] [stderr] --> src/ac3.rs:19:13 [INFO] [stderr] | [INFO] [stderr] 19 | let reduced_domain = csp [INFO] [stderr] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_reduced_domain` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/ac3.rs:33:8 [INFO] [stderr] | [INFO] [stderr] 33 | [x, y] => {} [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `y` [INFO] [stderr] --> src/ac3.rs:33:11 [INFO] [stderr] | [INFO] [stderr] 33 | [x, y] => {} [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/ac3.rs:15:7 [INFO] [stderr] | [INFO] [stderr] 15 | let mut constraint_refs = csp.constraints.iter().collect::>(); [INFO] [stderr] | ----^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `backtrack_rs` (lib) generated 6 warnings [INFO] [stderr] warning: unused import: `lazy_static::lazy_static` [INFO] [stderr] --> src/main.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use lazy_static::lazy_static; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `backtrack_rs` (bin "backtrack_rs" test) generated 1 warning [INFO] [stderr] warning: `backtrack_rs` (lib test) generated 6 warnings (6 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.44s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/backtrack_rs-18647e4efae05ef6) [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] Running unittests (/opt/rustwide/target/debug/deps/backtrack_rs-421cf76c5c7fff59) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test tests::is_consistent_and_is_solved_work ... ok [INFO] [stdout] test tests::non_present_in_both_cells_works ... ok [INFO] [stdout] test tests::present_in_one_cell_works ... ok [INFO] [stderr] Doc-tests backtrack_rs [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [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" "be3dc281642d3651d71ea2db07b8fdd1dd960b8cef0bb27bcff11514ed4d46a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "be3dc281642d3651d71ea2db07b8fdd1dd960b8cef0bb27bcff11514ed4d46a4", kill_on_drop: false }` [INFO] [stdout] be3dc281642d3651d71ea2db07b8fdd1dd960b8cef0bb27bcff11514ed4d46a4