[INFO] updating cached repository https://github.com/Spongie/soduku_solver [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 8cd3c3245426b1911092c204cc7818031d3a3f52 [INFO] testing Spongie/soduku_solver against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpongie%2Fsoduku_solver" "/workspace/builds/worker-7/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Spongie/soduku_solver on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/Spongie/soduku_solver [INFO] finished tweaking git repo https://github.com/Spongie/soduku_solver [INFO] tweaked toml for git repo https://github.com/Spongie/soduku_solver written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/Spongie/soduku_solver already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 3569f475d731f339d9673f687ee0259a5306ee442760351de104184de6d12c45 [INFO] running `"docker" "start" "-a" "3569f475d731f339d9673f687ee0259a5306ee442760351de104184de6d12c45"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling libc v0.2.50 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling rand v0.3.23 [INFO] [stderr] Compiling libmath v0.2.1 [INFO] [stderr] Compiling soduku_solver v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused variable: `y` [INFO] [stderr] --> src/main.rs:42:9 [INFO] [stderr] | [INFO] [stderr] 42 | for y in 0..9 { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `board` [INFO] [stderr] --> src/main.rs:39:25 [INFO] [stderr] | [INFO] [stderr] 39 | fn get_values_on_column(board: SodukuBoard, column: usize) -> Vec { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_board` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `column` [INFO] [stderr] --> src/main.rs:39:45 [INFO] [stderr] | [INFO] [stderr] 39 | fn get_values_on_column(board: SodukuBoard, column: usize) -> Vec { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_column` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:12:9 [INFO] [stderr] | [INFO] [stderr] 12 | let mut board = [ [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: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:40:9 [INFO] [stderr] | [INFO] [stderr] 40 | let mut moves = Vec::new(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 5 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.13s [INFO] running `"docker" "inspect" "3569f475d731f339d9673f687ee0259a5306ee442760351de104184de6d12c45"` [INFO] running `"docker" "rm" "-f" "3569f475d731f339d9673f687ee0259a5306ee442760351de104184de6d12c45"` [INFO] [stdout] 3569f475d731f339d9673f687ee0259a5306ee442760351de104184de6d12c45 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 05e4c5fd2d0e7b5a71d3c63632436ef37de1701125ce7be7c509f8fe494df964 [INFO] running `"docker" "start" "-a" "05e4c5fd2d0e7b5a71d3c63632436ef37de1701125ce7be7c509f8fe494df964"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling soduku_solver v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused variable: `y` [INFO] [stderr] --> src/main.rs:42:9 [INFO] [stderr] | [INFO] [stderr] 42 | for y in 0..9 { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `board` [INFO] [stderr] --> src/main.rs:39:25 [INFO] [stderr] | [INFO] [stderr] 39 | fn get_values_on_column(board: SodukuBoard, column: usize) -> Vec { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_board` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `column` [INFO] [stderr] --> src/main.rs:39:45 [INFO] [stderr] | [INFO] [stderr] 39 | fn get_values_on_column(board: SodukuBoard, column: usize) -> Vec { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_column` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:12:9 [INFO] [stderr] | [INFO] [stderr] 12 | let mut board = [ [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: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:40:9 [INFO] [stderr] | [INFO] [stderr] 40 | let mut moves = Vec::new(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 5 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.77s [INFO] running `"docker" "inspect" "05e4c5fd2d0e7b5a71d3c63632436ef37de1701125ce7be7c509f8fe494df964"` [INFO] running `"docker" "rm" "-f" "05e4c5fd2d0e7b5a71d3c63632436ef37de1701125ce7be7c509f8fe494df964"` [INFO] [stdout] 05e4c5fd2d0e7b5a71d3c63632436ef37de1701125ce7be7c509f8fe494df964 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] dca643d2f0bd393626e8570837fef120cd91c611b49052b4e0af688cba0e73af [INFO] running `"docker" "start" "-a" "dca643d2f0bd393626e8570837fef120cd91c611b49052b4e0af688cba0e73af"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: unused variable: `y` [INFO] [stderr] --> src/main.rs:42:9 [INFO] [stderr] | [INFO] [stderr] 42 | for y in 0..9 { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `board` [INFO] [stderr] --> src/main.rs:39:25 [INFO] [stderr] | [INFO] [stderr] 39 | fn get_values_on_column(board: SodukuBoard, column: usize) -> Vec { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_board` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `column` [INFO] [stderr] --> src/main.rs:39:45 [INFO] [stderr] | [INFO] [stderr] 39 | fn get_values_on_column(board: SodukuBoard, column: usize) -> Vec { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_column` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:12:9 [INFO] [stderr] | [INFO] [stderr] 12 | let mut board = [ [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: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:40:9 [INFO] [stderr] | [INFO] [stderr] 40 | let mut moves = Vec::new(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 5 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/soduku_solver-3aa449dd422bb1bd [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 [INFO] [stdout] [INFO] running `"docker" "inspect" "dca643d2f0bd393626e8570837fef120cd91c611b49052b4e0af688cba0e73af"` [INFO] running `"docker" "rm" "-f" "dca643d2f0bd393626e8570837fef120cd91c611b49052b4e0af688cba0e73af"` [INFO] [stdout] dca643d2f0bd393626e8570837fef120cd91c611b49052b4e0af688cba0e73af