[INFO] cloning repository https://github.com/tomerhc/chessrust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tomerhc/chessrust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomerhc%2Fchessrust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomerhc%2Fchessrust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d7ba0653a99c33f6dbae26a8315f32eeb002126d
[INFO] testing tomerhc/chessrust against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomerhc%2Fchessrust" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tomerhc/chessrust on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tomerhc/chessrust
[INFO] finished tweaking git repo https://github.com/tomerhc/chessrust
[INFO] tweaked toml for git repo https://github.com/tomerhc/chessrust written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/tomerhc/chessrust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d6001d8e59a9342ad994ceb788a58de30a9ab8435ac878a76e0cbd6809c26688
[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" "d6001d8e59a9342ad994ceb788a58de30a9ab8435ac878a76e0cbd6809c26688", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6001d8e59a9342ad994ceb788a58de30a9ab8435ac878a76e0cbd6809c26688", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6001d8e59a9342ad994ceb788a58de30a9ab8435ac878a76e0cbd6809c26688", kill_on_drop: false }`
[INFO] [stdout] d6001d8e59a9342ad994ceb788a58de30a9ab8435ac878a76e0cbd6809c26688
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abe97ff032893a7b8b13d6183784f3449786cef84d1f4ad2fa19b087de92147e
[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" "abe97ff032893a7b8b13d6183784f3449786cef84d1f4ad2fa19b087de92147e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling termios v0.3.2
[INFO] [stderr]    Compiling clicolors-control v1.0.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling console v0.10.0
[INFO] [stderr]    Compiling dialoguer v0.5.0
[INFO] [stderr]    Compiling chess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `board_state`
[INFO] [stdout]    --> src/pieces.rs:479:32
[INFO] [stdout]     |
[INFO] [stdout] 479 |     fn calc_legal_moves(&self, board_state: HashMap<String, Vec<Pos>>) -> Option<Vec<Pos>> {
[INFO] [stdout]     |                                ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_board_state`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]    --> src/pieces.rs:570:28
[INFO] [stdout]     |
[INFO] [stdout] 570 |     fn set_init_pos(&self, num: u8) -> Pos {
[INFO] [stdout]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]    --> src/pieces.rs:748:28
[INFO] [stdout]     |
[INFO] [stdout] 748 |     fn set_init_pos(&self, num: u8) -> Pos {
[INFO] [stdout]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `board_state`
[INFO] [stdout]    --> src/pieces.rs:755:32
[INFO] [stdout]     |
[INFO] [stdout] 755 |     fn calc_legal_moves(&self, board_state: HashMap<String, Vec<Pos>>) -> Option<Vec<Pos>> {
[INFO] [stdout]     |                                ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_board_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.65s
[INFO] running `Command { std: "docker" "inspect" "abe97ff032893a7b8b13d6183784f3449786cef84d1f4ad2fa19b087de92147e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abe97ff032893a7b8b13d6183784f3449786cef84d1f4ad2fa19b087de92147e", kill_on_drop: false }`
[INFO] [stdout] abe97ff032893a7b8b13d6183784f3449786cef84d1f4ad2fa19b087de92147e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86958b277aa96e58f874b69f2222335bad0a4da7fed7dbaf529f7c14fb087366
[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" "86958b277aa96e58f874b69f2222335bad0a4da7fed7dbaf529f7c14fb087366", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling chess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `board_state`
[INFO] [stdout]    --> src/pieces.rs:479:32
[INFO] [stdout]     |
[INFO] [stdout] 479 |     fn calc_legal_moves(&self, board_state: HashMap<String, Vec<Pos>>) -> Option<Vec<Pos>> {
[INFO] [stdout]     |                                ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_board_state`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]    --> src/pieces.rs:570:28
[INFO] [stdout]     |
[INFO] [stdout] 570 |     fn set_init_pos(&self, num: u8) -> Pos {
[INFO] [stdout]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]    --> src/pieces.rs:748:28
[INFO] [stdout]     |
[INFO] [stdout] 748 |     fn set_init_pos(&self, num: u8) -> Pos {
[INFO] [stdout]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `board_state`
[INFO] [stdout]    --> src/pieces.rs:755:32
[INFO] [stdout]     |
[INFO] [stdout] 755 |     fn calc_legal_moves(&self, board_state: HashMap<String, Vec<Pos>>) -> Option<Vec<Pos>> {
[INFO] [stdout]     |                                ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_board_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.63s
[INFO] running `Command { std: "docker" "inspect" "86958b277aa96e58f874b69f2222335bad0a4da7fed7dbaf529f7c14fb087366", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86958b277aa96e58f874b69f2222335bad0a4da7fed7dbaf529f7c14fb087366", kill_on_drop: false }`
[INFO] [stdout] 86958b277aa96e58f874b69f2222335bad0a4da7fed7dbaf529f7c14fb087366
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2e53a05b67ce08213f2f42f97b6a367957355b19db385327439fbf0d5e78162b
[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" "2e53a05b67ce08213f2f42f97b6a367957355b19db385327439fbf0d5e78162b", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `board_state`
[INFO] [stderr]    --> src/pieces.rs:479:32
[INFO] [stderr]     |
[INFO] [stderr] 479 |     fn calc_legal_moves(&self, board_state: HashMap<String, Vec<Pos>>) -> Option<Vec<Pos>> {
[INFO] [stderr]     |                                ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_board_state`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `num`
[INFO] [stderr]    --> src/pieces.rs:570:28
[INFO] [stderr]     |
[INFO] [stderr] 570 |     fn set_init_pos(&self, num: u8) -> Pos {
[INFO] [stderr]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `num`
[INFO] [stderr]    --> src/pieces.rs:748:28
[INFO] [stderr]     |
[INFO] [stderr] 748 |     fn set_init_pos(&self, num: u8) -> Pos {
[INFO] [stderr]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board_state`
[INFO] [stderr]    --> src/pieces.rs:755:32
[INFO] [stderr]     |
[INFO] [stderr] 755 |     fn calc_legal_moves(&self, board_state: HashMap<String, Vec<Pos>>) -> Option<Vec<Pos>> {
[INFO] [stderr]     |                                ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_board_state`
[INFO] [stderr] 
[INFO] [stderr] warning: `chess` (bin "chess" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chess-1347fd5c97f3406d)
[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" "2e53a05b67ce08213f2f42f97b6a367957355b19db385327439fbf0d5e78162b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e53a05b67ce08213f2f42f97b6a367957355b19db385327439fbf0d5e78162b", kill_on_drop: false }`
[INFO] [stdout] 2e53a05b67ce08213f2f42f97b6a367957355b19db385327439fbf0d5e78162b