[INFO] updating cached repository https://github.com/will-weiss/pentago
[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] 2c9a66ef127be6d25d2012aa06af425d5b41c40b
[INFO] testing will-weiss/pentago against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwill-weiss%2Fpentago" "/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/will-weiss/pentago 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/will-weiss/pentago
[INFO] finished tweaking git repo https://github.com/will-weiss/pentago
[INFO] tweaked toml for git repo https://github.com/will-weiss/pentago written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/will-weiss/pentago 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] [stderr] error: the lock file /workspace/builds/worker-7/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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] c794e211a894346f7f6733678e02965d56aa8c027a04f17592ae4d7ff1a132ab
[INFO] running `"docker" "start" "-a" "c794e211a894346f7f6733678e02965d56aa8c027a04f17592ae4d7ff1a132ab"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling pentago v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `One`
[INFO] [stderr]  --> src/pentago/board.rs:3:31
[INFO] [stderr]   |
[INFO] [stderr] 3 | use self::num::traits::{Zero, One};
[INFO] [stderr]   |                               ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `pentago::quadrant`
[INFO] [stderr]  --> src/pentago/board.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use pentago::quadrant;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/pentago/board.rs:51:20
[INFO] [stderr]    |
[INFO] [stderr] 51 |                 if (ix == quadrant_ix) {
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::rc::Rc`
[INFO] [stderr]  --> src/pentago/game.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::rc::Rc;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `pentago::board`
[INFO] [stderr]  --> src/pentago/game.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use pentago::board;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `One`, `ToPrimitive`
[INFO] [stderr]  --> src/pentago/quadrant.rs:3:31
[INFO] [stderr]   |
[INFO] [stderr] 3 | use self::num::traits::{Zero, One, ToPrimitive};
[INFO] [stderr]   |                               ^^^  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `pentago::square`
[INFO] [stderr]  --> src/pentago/quadrant.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use pentago::square;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `mult2`, `mult3`
[INFO] [stderr]  --> src/pentago/quadrant.rs:7:44
[INFO] [stderr]   |
[INFO] [stderr] 7 | use pentago::math_utils::{three_raised_to, mult2, mult3};
[INFO] [stderr]   |                                            ^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/pentago/quadrant.rs:59:20
[INFO] [stderr]    |
[INFO] [stderr] 59 |                 if (coordinate_val) {
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/pentago/quadrant.rs:80:12
[INFO] [stderr]    |
[INFO] [stderr] 80 |         if (squares_val.is_zero()) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `One`, `ToPrimitive`
[INFO] [stderr]  --> src/pentago/square.rs:3:31
[INFO] [stderr]   |
[INFO] [stderr] 3 | use self::num::traits::{Zero, One, ToPrimitive};
[INFO] [stderr]   |                               ^^^  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `pentago::color`
[INFO] [stderr]  --> src/pentago/square.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use pentago::color;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `mult3`
[INFO] [stderr]  --> src/pentago/square.rs:7:51
[INFO] [stderr]   |
[INFO] [stderr] 7 | use pentago::math_utils::{three_raised_to, mult2, mult3};
[INFO] [stderr]   |                                                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/pentago/square.rs:69:12
[INFO] [stderr]    |
[INFO] [stderr] 69 |         if (self.color.is_empty()) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/pentago/square.rs:81:12
[INFO] [stderr]    |
[INFO] [stderr] 81 |         if (self.color.is_black()) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ToPrimitive`, `Zero`
[INFO] [stderr]  --> src/pentago/math_utils.rs:3:25
[INFO] [stderr]   |
[INFO] [stderr] 3 | use self::num::traits::{Zero, One, ToPrimitive};
[INFO] [stderr]   |                         ^^^^       ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `orient`
[INFO] [stderr]   --> src/pentago/board.rs:46:12
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub fn orient(&self, quadrant_ix: usize, top_corner: &Vec<bool>, spin: &Vec<usize>) -> Board {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Empty`
[INFO] [stderr]  --> src/pentago/color.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     Empty,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `White`
[INFO] [stderr]  --> src/pentago/color.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     White
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `val`
[INFO] [stderr]  --> src/pentago/color.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub fn val(&self) -> u8 {
[INFO] [stderr]   |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_white`
[INFO] [stderr]   --> src/pentago/color.rs:31:12
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn is_white(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `orient`
[INFO] [stderr]   --> src/pentago/quadrant.rs:45:12
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn orient(&self, top_corner: &Vec<bool>, spin: &Vec<usize>, length: &u8)
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `rotate_coordinates`
[INFO] [stderr]  --> src/pentago/square.rs:9:4
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn rotate_coordinates(coords: &mut Vec<u8>, top_corner: &Vec<bool>, length: &u8) {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `spin_coordinates`
[INFO] [stderr]   --> src/pentago/square.rs:17:4
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn spin_coordinates(coords: &mut Vec<u8>, spin: &Vec<usize>) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `invert_coordinates`
[INFO] [stderr]   --> src/pentago/square.rs:24:4
[INFO] [stderr]    |
[INFO] [stderr] 24 | fn invert_coordinates(coords: &mut Vec<u8>, length: &u8) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `orient`
[INFO] [stderr]   --> src/pentago/square.rs:47:12
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn orient(&self, top_corner: &Vec<bool>, spin: &Vec<usize>, length: &u8)
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 26 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.89s
[INFO] running `"docker" "inspect" "c794e211a894346f7f6733678e02965d56aa8c027a04f17592ae4d7ff1a132ab"`
[INFO] running `"docker" "rm" "-f" "c794e211a894346f7f6733678e02965d56aa8c027a04f17592ae4d7ff1a132ab"`
[INFO] [stdout] c794e211a894346f7f6733678e02965d56aa8c027a04f17592ae4d7ff1a132ab
[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] ed36e87c8a086c02d9db36bfbe91a0f728bfa1765daa26aaacec0e7f57043430
[INFO] running `"docker" "start" "-a" "ed36e87c8a086c02d9db36bfbe91a0f728bfa1765daa26aaacec0e7f57043430"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling pentago v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `One`
[INFO] [stderr]  --> src/pentago/board.rs:3:31
[INFO] [stderr]   |
[INFO] [stderr] 3 | use self::num::traits::{Zero, One};
[INFO] [stderr]   |                               ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `pentago::quadrant`
[INFO] [stderr]  --> src/pentago/board.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use pentago::quadrant;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/pentago/board.rs:51:20
[INFO] [stderr]    |
[INFO] [stderr] 51 |                 if (ix == quadrant_ix) {
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::rc::Rc`
[INFO] [stderr]  --> src/pentago/game.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::rc::Rc;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `pentago::board`
[INFO] [stderr]  --> src/pentago/game.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use pentago::board;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `One`, `ToPrimitive`
[INFO] [stderr]  --> src/pentago/quadrant.rs:3:31
[INFO] [stderr]   |
[INFO] [stderr] 3 | use self::num::traits::{Zero, One, ToPrimitive};
[INFO] [stderr]   |                               ^^^  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `pentago::square`
[INFO] [stderr]  --> src/pentago/quadrant.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use pentago::square;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `mult2`, `mult3`
[INFO] [stderr]  --> src/pentago/quadrant.rs:7:44
[INFO] [stderr]   |
[INFO] [stderr] 7 | use pentago::math_utils::{three_raised_to, mult2, mult3};
[INFO] [stderr]   |                                            ^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/pentago/quadrant.rs:59:20
[INFO] [stderr]    |
[INFO] [stderr] 59 |                 if (coordinate_val) {
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/pentago/quadrant.rs:80:12
[INFO] [stderr]    |
[INFO] [stderr] 80 |         if (squares_val.is_zero()) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `One`, `ToPrimitive`
[INFO] [stderr]  --> src/pentago/square.rs:3:31
[INFO] [stderr]   |
[INFO] [stderr] 3 | use self::num::traits::{Zero, One, ToPrimitive};
[INFO] [stderr]   |                               ^^^  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `pentago::color`
[INFO] [stderr]  --> src/pentago/square.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use pentago::color;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `mult3`
[INFO] [stderr]  --> src/pentago/square.rs:7:51
[INFO] [stderr]   |
[INFO] [stderr] 7 | use pentago::math_utils::{three_raised_to, mult2, mult3};
[INFO] [stderr]   |                                                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/pentago/square.rs:69:12
[INFO] [stderr]    |
[INFO] [stderr] 69 |         if (self.color.is_empty()) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/pentago/square.rs:81:12
[INFO] [stderr]    |
[INFO] [stderr] 81 |         if (self.color.is_black()) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ToPrimitive`, `Zero`
[INFO] [stderr]  --> src/pentago/math_utils.rs:3:25
[INFO] [stderr]   |
[INFO] [stderr] 3 | use self::num::traits::{Zero, One, ToPrimitive};
[INFO] [stderr]   |                         ^^^^       ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `orient`
[INFO] [stderr]   --> src/pentago/board.rs:46:12
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub fn orient(&self, quadrant_ix: usize, top_corner: &Vec<bool>, spin: &Vec<usize>) -> Board {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Empty`
[INFO] [stderr]  --> src/pentago/color.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     Empty,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `White`
[INFO] [stderr]  --> src/pentago/color.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     White
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `val`
[INFO] [stderr]  --> src/pentago/color.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub fn val(&self) -> u8 {
[INFO] [stderr]   |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_white`
[INFO] [stderr]   --> src/pentago/color.rs:31:12
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn is_white(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `orient`
[INFO] [stderr]   --> src/pentago/quadrant.rs:45:12
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn orient(&self, top_corner: &Vec<bool>, spin: &Vec<usize>, length: &u8)
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `rotate_coordinates`
[INFO] [stderr]  --> src/pentago/square.rs:9:4
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn rotate_coordinates(coords: &mut Vec<u8>, top_corner: &Vec<bool>, length: &u8) {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `spin_coordinates`
[INFO] [stderr]   --> src/pentago/square.rs:17:4
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn spin_coordinates(coords: &mut Vec<u8>, spin: &Vec<usize>) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `invert_coordinates`
[INFO] [stderr]   --> src/pentago/square.rs:24:4
[INFO] [stderr]    |
[INFO] [stderr] 24 | fn invert_coordinates(coords: &mut Vec<u8>, length: &u8) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `orient`
[INFO] [stderr]   --> src/pentago/square.rs:47:12
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn orient(&self, top_corner: &Vec<bool>, spin: &Vec<usize>, length: &u8)
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 26 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "ed36e87c8a086c02d9db36bfbe91a0f728bfa1765daa26aaacec0e7f57043430"`
[INFO] running `"docker" "rm" "-f" "ed36e87c8a086c02d9db36bfbe91a0f728bfa1765daa26aaacec0e7f57043430"`
[INFO] [stdout] ed36e87c8a086c02d9db36bfbe91a0f728bfa1765daa26aaacec0e7f57043430
[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] 3a27d53aead41526c5c6e55890701c246ea0bf4449a44a41d629e9408354bebb
[INFO] running `"docker" "start" "-a" "3a27d53aead41526c5c6e55890701c246ea0bf4449a44a41d629e9408354bebb"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused import: `One`
[INFO] [stderr]  --> src/pentago/board.rs:3:31
[INFO] [stderr]   |
[INFO] [stderr] 3 | use self::num::traits::{Zero, One};
[INFO] [stderr]   |                               ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `pentago::quadrant`
[INFO] [stderr]  --> src/pentago/board.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use pentago::quadrant;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/pentago/board.rs:51:20
[INFO] [stderr]    |
[INFO] [stderr] 51 |                 if (ix == quadrant_ix) {
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::rc::Rc`
[INFO] [stderr]  --> src/pentago/game.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::rc::Rc;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `pentago::board`
[INFO] [stderr]  --> src/pentago/game.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use pentago::board;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `One`, `ToPrimitive`
[INFO] [stderr]  --> src/pentago/quadrant.rs:3:31
[INFO] [stderr]   |
[INFO] [stderr] 3 | use self::num::traits::{Zero, One, ToPrimitive};
[INFO] [stderr]   |                               ^^^  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `pentago::square`
[INFO] [stderr]  --> src/pentago/quadrant.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use pentago::square;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `mult2`, `mult3`
[INFO] [stderr]  --> src/pentago/quadrant.rs:7:44
[INFO] [stderr]   |
[INFO] [stderr] 7 | use pentago::math_utils::{three_raised_to, mult2, mult3};
[INFO] [stderr]   |                                            ^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/pentago/quadrant.rs:59:20
[INFO] [stderr]    |
[INFO] [stderr] 59 |                 if (coordinate_val) {
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/pentago/quadrant.rs:80:12
[INFO] [stderr]    |
[INFO] [stderr] 80 |         if (squares_val.is_zero()) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `One`, `ToPrimitive`
[INFO] [stderr]  --> src/pentago/square.rs:3:31
[INFO] [stderr]   |
[INFO] [stderr] 3 | use self::num::traits::{Zero, One, ToPrimitive};
[INFO] [stderr]   |                               ^^^  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `pentago::color`
[INFO] [stderr]  --> src/pentago/square.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use pentago::color;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `mult3`
[INFO] [stderr]  --> src/pentago/square.rs:7:51
[INFO] [stderr]   |
[INFO] [stderr] 7 | use pentago::math_utils::{three_raised_to, mult2, mult3};
[INFO] [stderr]   |                                                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/pentago/square.rs:69:12
[INFO] [stderr]    |
[INFO] [stderr] 69 |         if (self.color.is_empty()) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/pentago/square.rs:81:12
[INFO] [stderr]    |
[INFO] [stderr] 81 |         if (self.color.is_black()) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ToPrimitive`, `Zero`
[INFO] [stderr]  --> src/pentago/math_utils.rs:3:25
[INFO] [stderr]   |
[INFO] [stderr] 3 | use self::num::traits::{Zero, One, ToPrimitive};
[INFO] [stderr]   |                         ^^^^       ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `orient`
[INFO] [stderr]   --> src/pentago/board.rs:46:12
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub fn orient(&self, quadrant_ix: usize, top_corner: &Vec<bool>, spin: &Vec<usize>) -> Board {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Empty`
[INFO] [stderr]  --> src/pentago/color.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     Empty,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `White`
[INFO] [stderr]  --> src/pentago/color.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     White
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `val`
[INFO] [stderr]  --> src/pentago/color.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub fn val(&self) -> u8 {
[INFO] [stderr]   |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_white`
[INFO] [stderr]   --> src/pentago/color.rs:31:12
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn is_white(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `orient`
[INFO] [stderr]   --> src/pentago/quadrant.rs:45:12
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn orient(&self, top_corner: &Vec<bool>, spin: &Vec<usize>, length: &u8)
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `rotate_coordinates`
[INFO] [stderr]  --> src/pentago/square.rs:9:4
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn rotate_coordinates(coords: &mut Vec<u8>, top_corner: &Vec<bool>, length: &u8) {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `spin_coordinates`
[INFO] [stderr]   --> src/pentago/square.rs:17:4
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn spin_coordinates(coords: &mut Vec<u8>, spin: &Vec<usize>) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `invert_coordinates`
[INFO] [stderr]   --> src/pentago/square.rs:24:4
[INFO] [stderr]    |
[INFO] [stderr] 24 | fn invert_coordinates(coords: &mut Vec<u8>, length: &u8) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `orient`
[INFO] [stderr]   --> src/pentago/square.rs:47:12
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn orient(&self, top_corner: &Vec<bool>, spin: &Vec<usize>, length: &u8)
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 26 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/pentago-aee8275e51766e6b
[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" "3a27d53aead41526c5c6e55890701c246ea0bf4449a44a41d629e9408354bebb"`
[INFO] running `"docker" "rm" "-f" "3a27d53aead41526c5c6e55890701c246ea0bf4449a44a41d629e9408354bebb"`
[INFO] [stdout] 3a27d53aead41526c5c6e55890701c246ea0bf4449a44a41d629e9408354bebb