[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] checking tomerhc/chessrust against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomerhc%2Fchessrust" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tomerhc/chessrust on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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-14/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded console v0.10.0
[INFO] [stderr]   Downloaded dialoguer v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6739ff018f0e4ecd37105a8842bd642efb2f6e4446fd729210e58c49cba85300
[INFO] running `Command { std: "docker" "start" "-a" "6739ff018f0e4ecd37105a8842bd642efb2f6e4446fd729210e58c49cba85300", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6739ff018f0e4ecd37105a8842bd642efb2f6e4446fd729210e58c49cba85300", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6739ff018f0e4ecd37105a8842bd642efb2f6e4446fd729210e58c49cba85300", kill_on_drop: false }`
[INFO] [stdout] 6739ff018f0e4ecd37105a8842bd642efb2f6e4446fd729210e58c49cba85300
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79eb06809c8f1df2fc7034c9ce32db245df192351c33a27bee97eb5603547e5a
[INFO] running `Command { std: "docker" "start" "-a" "79eb06809c8f1df2fc7034c9ce32db245df192351c33a27bee97eb5603547e5a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking console v0.10.0
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking dialoguer v0.5.0
[INFO] [stderr]     Checking 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] [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 6.98s
[INFO] running `Command { std: "docker" "inspect" "79eb06809c8f1df2fc7034c9ce32db245df192351c33a27bee97eb5603547e5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79eb06809c8f1df2fc7034c9ce32db245df192351c33a27bee97eb5603547e5a", kill_on_drop: false }`
[INFO] [stdout] 79eb06809c8f1df2fc7034c9ce32db245df192351c33a27bee97eb5603547e5a