[INFO] cloning repository https://github.com/l3kn/rust_chess
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/l3kn/rust_chess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fl3kn%2Frust_chess", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fl3kn%2Frust_chess'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ae51af4460a1760b4bee1123df071b6711bc666c
[INFO] checking l3kn/rust_chess against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fl3kn%2Frust_chess" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/l3kn/rust_chess on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/l3kn/rust_chess
[INFO] finished tweaking git repo https://github.com/l3kn/rust_chess
[INFO] tweaked toml for git repo https://github.com/l3kn/rust_chess written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/l3kn/rust_chess already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f00e98fec6bc4f39a377fad4395ddbc79746537e7727c4331965ec43ca8de20b
[INFO] running `Command { std: "docker" "start" "-a" "f00e98fec6bc4f39a377fad4395ddbc79746537e7727c4331965ec43ca8de20b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f00e98fec6bc4f39a377fad4395ddbc79746537e7727c4331965ec43ca8de20b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f00e98fec6bc4f39a377fad4395ddbc79746537e7727c4331965ec43ca8de20b", kill_on_drop: false }`
[INFO] [stdout] f00e98fec6bc4f39a377fad4395ddbc79746537e7727c4331965ec43ca8de20b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82e45312d02e12de2dfaad0ca8e2e22eb0cff6620b2635e843d63aee9ad4e4c5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "82e45312d02e12de2dfaad0ca8e2e22eb0cff6620b2635e843d63aee9ad4e4c5", kill_on_drop: false }`
[INFO] [stderr]     Checking chess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::cmp;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bitscan::*`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use bitscan::*;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/occupancy_masks.rs:18:16
[INFO] [stdout]    |
[INFO] [stdout] 18 |         res |= (1 << (row * 8 + c));
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/occupancy_masks.rs:25:16
[INFO] [stdout]    |
[INFO] [stdout] 25 |         res |= (1 << (r * 8 + col));
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/occupancy_masks.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |         if (x != col && y != row) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/occupancy_masks.rs:43:20
[INFO] [stdout]    |
[INFO] [stdout] 43 |             res |= (1 << (y * 8 + x));
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/occupancy_masks.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |         if (x != col_ && y != row) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/occupancy_masks.rs:60:20
[INFO] [stdout]    |
[INFO] [stdout] 60 |             res |= (1 << (y * 8 + (7 - x)));
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/board.rs:186:20
[INFO] [stdout]     |
[INFO] [stdout] 186 |                 '0'...'8' => {
[INFO] [stdout]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Color`, `Position`
[INFO] [stdout]   --> src/main.rs:15:20
[INFO] [stdout]    |
[INFO] [stdout] 15 | use board::{Board, Color, Position, Move};
[INFO] [stdout]    |                    ^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::cmp;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bitscan::*`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use bitscan::*;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/occupancy_masks.rs:18:16
[INFO] [stdout]    |
[INFO] [stdout] 18 |         res |= (1 << (row * 8 + c));
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/occupancy_masks.rs:25:16
[INFO] [stdout]    |
[INFO] [stdout] 25 |         res |= (1 << (r * 8 + col));
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/occupancy_masks.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |         if (x != col && y != row) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/occupancy_masks.rs:43:20
[INFO] [stdout]    |
[INFO] [stdout] 43 |             res |= (1 << (y * 8 + x));
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/occupancy_masks.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |         if (x != col_ && y != row) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/occupancy_masks.rs:60:20
[INFO] [stdout]    |
[INFO] [stdout] 60 |             res |= (1 << (y * 8 + (7 - x)));
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/board.rs:186:20
[INFO] [stdout]     |
[INFO] [stdout] 186 |                 '0'...'8' => {
[INFO] [stdout]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Color`, `Position`
[INFO] [stdout]   --> src/main.rs:15:20
[INFO] [stdout]    |
[INFO] [stdout] 15 | use board::{Board, Color, Position, Move};
[INFO] [stdout]    |                    ^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `bitscan_magic` should have an upper case name
[INFO] [stdout]  --> src/bitscan.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | const bitscan_magic: u64 = 0x7edd5e59a4e28c2;
[INFO] [stdout]   |       ^^^^^^^^^^^^^ help: convert the identifier to upper case: `BITSCAN_MAGIC`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `bitscan_db` should have an upper case name
[INFO] [stdout]  --> src/bitscan.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const bitscan_db: [u64; 64] = [
[INFO] [stdout]   |       ^^^^^^^^^^ help: convert the identifier to upper case: `BITSCAN_DB`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `rook` should have an upper case name
[INFO] [stdout]   --> src/occupancy_masks.rs:67:7
[INFO] [stdout]    |
[INFO] [stdout] 67 | const rook: [u64; 64] = [
[INFO] [stdout]    |       ^^^^ help: convert the identifier to upper case: `ROOK`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `bishop` should have an upper case name
[INFO] [stdout]    --> src/occupancy_masks.rs:134:7
[INFO] [stdout]     |
[INFO] [stdout] 134 | const bishop: [u64; 64] = [
[INFO] [stdout]     |       ^^^^^^ help: convert the identifier to upper case: `BISHOP`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `bitscan_magic` should have an upper case name
[INFO] [stdout]  --> src/bitscan.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | const bitscan_magic: u64 = 0x7edd5e59a4e28c2;
[INFO] [stdout]   |       ^^^^^^^^^^^^^ help: convert the identifier to upper case: `BITSCAN_MAGIC`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `bitscan_db` should have an upper case name
[INFO] [stdout]  --> src/bitscan.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const bitscan_db: [u64; 64] = [
[INFO] [stdout]   |       ^^^^^^^^^^ help: convert the identifier to upper case: `BITSCAN_DB`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `rook` should have an upper case name
[INFO] [stdout]   --> src/occupancy_masks.rs:67:7
[INFO] [stdout]    |
[INFO] [stdout] 67 | const rook: [u64; 64] = [
[INFO] [stdout]    |       ^^^^ help: convert the identifier to upper case: `ROOK`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `bishop` should have an upper case name
[INFO] [stdout]    --> src/occupancy_masks.rs:134:7
[INFO] [stdout]     |
[INFO] [stdout] 134 | const bishop: [u64; 64] = [
[INFO] [stdout]     |       ^^^^^^ help: convert the identifier to upper case: `BISHOP`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "82e45312d02e12de2dfaad0ca8e2e22eb0cff6620b2635e843d63aee9ad4e4c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82e45312d02e12de2dfaad0ca8e2e22eb0cff6620b2635e843d63aee9ad4e4c5", kill_on_drop: false }`
[INFO] [stdout] 82e45312d02e12de2dfaad0ca8e2e22eb0cff6620b2635e843d63aee9ad4e4c5