[INFO] cloning repository https://github.com/kyrod/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/kyrod/rust_chess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkyrod%2Frust_chess", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkyrod%2Frust_chess'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7c9ae8c97b8cdd6d758f099881da0ff5aa9cc333
[INFO] checking kyrod/rust_chess against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkyrod%2Frust_chess" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kyrod/rust_chess on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kyrod/rust_chess
[INFO] finished tweaking git repo https://github.com/kyrod/rust_chess
[INFO] tweaked toml for git repo https://github.com/kyrod/rust_chess written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/kyrod/rust_chess already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] edefe40a332d57a3e4e426ca414f44592134ba207ca5d898ca23e398c63184e7
[INFO] running `Command { std: "docker" "start" "-a" "edefe40a332d57a3e4e426ca414f44592134ba207ca5d898ca23e398c63184e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "edefe40a332d57a3e4e426ca414f44592134ba207ca5d898ca23e398c63184e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edefe40a332d57a3e4e426ca414f44592134ba207ca5d898ca23e398c63184e7", kill_on_drop: false }`
[INFO] [stdout] edefe40a332d57a3e4e426ca414f44592134ba207ca5d898ca23e398c63184e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0469dccadaa94d187d7a34857ba35b19896a972685e579ce49e7022b163acfad
[INFO] running `Command { std: "docker" "start" "-a" "0469dccadaa94d187d7a34857ba35b19896a972685e579ce49e7022b163acfad", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking rust_chess v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/engine/board.rs (6 fixes)
[INFO] [stderr]        Fixed src/main.rs (1 fix)
[INFO] [stdout] warning: associated function is never used: `get_castling`
[INFO] [stdout]   --> src/engine/board.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 |     fn get_castling(s: String) -> [char; 4] {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_en_passant`
[INFO] [stdout]    --> src/engine/board.rs:112:8
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fn get_en_passant(string: String) -> (char, char) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_fen`
[INFO] [stdout]    --> src/engine/board.rs:121:12
[INFO] [stdout]     |
[INFO] [stdout] 121 |     pub fn from_fen(string: String) -> Board {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pieces_from_fen`
[INFO] [stdout]    --> src/engine/board.rs:162:12
[INFO] [stdout]     |
[INFO] [stdout] 162 |     pub fn pieces_from_fen(pieces: String) -> [[Piece; 8]; 8] {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_FEN`
[INFO] [stdout]    --> src/engine/board.rs:183:12
[INFO] [stdout]     |
[INFO] [stdout] 183 |     pub fn to_FEN(self) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_char`
[INFO] [stdout]    --> src/engine/piece.rs:148:12
[INFO] [stdout]     |
[INFO] [stdout] 148 |     pub fn from_char(c: char) -> Piece {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_FEN` should have a snake case name
[INFO] [stdout]    --> src/engine/board.rs:183:12
[INFO] [stdout]     |
[INFO] [stdout] 183 |     pub fn to_FEN(self) {
[INFO] [stdout]     |            ^^^^^^ help: convert the identifier to snake case: `to_fen`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_FEN`
[INFO] [stdout]    --> src/engine/board.rs:183:12
[INFO] [stdout]     |
[INFO] [stdout] 183 |     pub fn to_FEN(self) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_FEN` should have a snake case name
[INFO] [stdout]    --> src/engine/board.rs:183:12
[INFO] [stdout]     |
[INFO] [stdout] 183 |     pub fn to_FEN(self) {
[INFO] [stdout]     |            ^^^^^^ help: convert the identifier to snake case: `to_fen`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking rust_chess v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: associated function is never used: `get_castling`
[INFO] [stdout]   --> src/engine/board.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 |     fn get_castling(s: String) -> [char; 4] {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_en_passant`
[INFO] [stdout]    --> src/engine/board.rs:112:8
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fn get_en_passant(string: String) -> (char, char) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_fen`
[INFO] [stdout]    --> src/engine/board.rs:121:12
[INFO] [stdout]     |
[INFO] [stdout] 121 |     pub fn from_fen(string: String) -> Board {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pieces_from_fen`
[INFO] [stdout]    --> src/engine/board.rs:162:12
[INFO] [stdout]     |
[INFO] [stdout] 162 |     pub fn pieces_from_fen(pieces: String) -> [[Piece; 8]; 8] {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_FEN`
[INFO] [stdout]    --> src/engine/board.rs:183:12
[INFO] [stdout]     |
[INFO] [stdout] 183 |     pub fn to_FEN(self) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_char`
[INFO] [stdout]    --> src/engine/piece.rs:148:12
[INFO] [stdout]     |
[INFO] [stdout] 148 |     pub fn from_char(c: char) -> Piece {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_FEN` should have a snake case name
[INFO] [stdout]    --> src/engine/board.rs:183:12
[INFO] [stdout]     |
[INFO] [stdout] 183 |     pub fn to_FEN(self) {
[INFO] [stdout]     |            ^^^^^^ help: convert the identifier to snake case: `to_fen`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_FEN`
[INFO] [stdout]    --> src/engine/board.rs:183:12
[INFO] [stdout]     |
[INFO] [stdout] 183 |     pub fn to_FEN(self) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_FEN` should have a snake case name
[INFO] [stdout]    --> src/engine/board.rs:183:12
[INFO] [stdout]     |
[INFO] [stdout] 183 |     pub fn to_FEN(self) {
[INFO] [stdout]     |            ^^^^^^ help: convert the identifier to snake case: `to_fen`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "0469dccadaa94d187d7a34857ba35b19896a972685e579ce49e7022b163acfad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0469dccadaa94d187d7a34857ba35b19896a972685e579ce49e7022b163acfad", kill_on_drop: false }`
[INFO] [stdout] 0469dccadaa94d187d7a34857ba35b19896a972685e579ce49e7022b163acfad