[INFO] cloning repository https://github.com/LilianSchall/chess.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LilianSchall/chess.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLilianSchall%2Fchess.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLilianSchall%2Fchess.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fe136fec5ba1382ab978a98f5212f55e02280a79
[INFO] checking LilianSchall/chess.rs against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLilianSchall%2Fchess.rs" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LilianSchall/chess.rs on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LilianSchall/chess.rs
[INFO] finished tweaking git repo https://github.com/LilianSchall/chess.rs
[INFO] tweaked toml for git repo https://github.com/LilianSchall/chess.rs written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/LilianSchall/chess.rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded c_vec v2.0.0
[INFO] [stderr]   Downloaded version-compare v0.1.0
[INFO] [stderr]   Downloaded sdl2 v0.35.1
[INFO] [stderr]   Downloaded libc v0.2.112
[INFO] [stderr]   Downloaded sdl2-sys v0.35.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61da5d3b6c92c325e9a3f4ee6ab060489a12735322dec9a70a0c952e71021ac2
[INFO] running `Command { std: "docker" "start" "-a" "61da5d3b6c92c325e9a3f4ee6ab060489a12735322dec9a70a0c952e71021ac2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61da5d3b6c92c325e9a3f4ee6ab060489a12735322dec9a70a0c952e71021ac2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61da5d3b6c92c325e9a3f4ee6ab060489a12735322dec9a70a0c952e71021ac2", kill_on_drop: false }`
[INFO] [stdout] 61da5d3b6c92c325e9a3f4ee6ab060489a12735322dec9a70a0c952e71021ac2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be3012764ee862b029ced41d3cb5767aca099247ed268e8def6e0065d90828f5
[INFO] running `Command { std: "docker" "start" "-a" "be3012764ee862b029ced41d3cb5767aca099247ed268e8def6e0065d90828f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling version-compare v0.1.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling sdl2 v0.35.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking c_vec v2.0.0
[INFO] [stderr]    Compiling sdl2-sys v0.35.1
[INFO] [stderr]     Checking chess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::r#move::Move`
[INFO] [stdout]  --> src/models/piece.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::r#move::Move;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::render::WindowCanvas`
[INFO] [stdout]  --> src/models/piece.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use sdl2::render::WindowCanvas;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `NORTH_EAST`, `NORTH_WEST`, `SOUTH_EAST`, `SOUTH_WEST`
[INFO] [stdout]  --> src/models/move.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     NORTH_WEST,NORTH_EAST,
[INFO] [stdout]   |     ^^^^^^^^^^ ^^^^^^^^^^
[INFO] [stdout] 5 |     SOUTH_WEST,SOUTH_EAST
[INFO] [stdout]   |     ^^^^^^^^^^ ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::r#move::Move`
[INFO] [stdout]  --> src/models/piece.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::r#move::Move;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::render::WindowCanvas`
[INFO] [stdout]  --> src/models/piece.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use sdl2::render::WindowCanvas;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `NORTH_EAST`, `NORTH_WEST`, `SOUTH_EAST`, `SOUTH_WEST`
[INFO] [stdout]  --> src/models/move.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     NORTH_WEST,NORTH_EAST,
[INFO] [stdout]   |     ^^^^^^^^^^ ^^^^^^^^^^
[INFO] [stdout] 5 |     SOUTH_WEST,SOUTH_EAST
[INFO] [stdout]   |     ^^^^^^^^^^ ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/models/move.rs:74:17
[INFO] [stdout]    |
[INFO] [stdout] 74 |         else if (piece.can_castle) {
[INFO] [stdout]    |                 ^                ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 74 -         else if (piece.can_castle) {
[INFO] [stdout] 74 +         else if piece.can_castle {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/models/move.rs:74:17
[INFO] [stdout]    |
[INFO] [stdout] 74 |         else if (piece.can_castle) {
[INFO] [stdout]    |                 ^                ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 74 -         else if (piece.can_castle) {
[INFO] [stdout] 74 +         else if piece.can_castle {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `board`
[INFO] [stdout]    --> src/models/move.rs:258:43
[INFO] [stdout]     |
[INFO] [stdout] 258 | ...                   square: usize, board: &Board) -> bool {
[INFO] [stdout]     |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `board`
[INFO] [stdout]    --> src/models/move.rs:258:43
[INFO] [stdout]     |
[INFO] [stdout] 258 | ...                   square: usize, board: &Board) -> bool {
[INFO] [stdout]     |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `renderer` is never read
[INFO] [stdout]   --> src/models/piece.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub struct PieceTextures<'a> {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 39 |     renderer: &'a TextureCreator<WindowContext>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NORTH_WEST` is never used
[INFO] [stdout]   --> src/common.rs:35:15
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub const NORTH_WEST: usize  = 4;
[INFO] [stdout]    |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SOUTH_EAST` is never used
[INFO] [stdout]   --> src/common.rs:36:15
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub const SOUTH_EAST: usize  = 5;
[INFO] [stdout]    |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NORTH_EAST` is never used
[INFO] [stdout]   --> src/common.rs:37:15
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub const NORTH_EAST: usize  = 6;
[INFO] [stdout]    |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SOUTH_WEST` is never used
[INFO] [stdout]   --> src/common.rs:38:15
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub const SOUTH_WEST: usize  = 7;
[INFO] [stdout]    |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `GenerateMoves` should have a snake case name
[INFO] [stdout]    --> src/models/move.rs:146:12
[INFO] [stdout]     |
[INFO] [stdout] 146 |     pub fn GenerateMoves(&self, board: &mut Board, player_color: PColor) 
[INFO] [stdout]     |            ^^^^^^^^^^^^^ help: convert the identifier to snake case: `generate_moves`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `GenerateSlidingMove` should have a snake case name
[INFO] [stdout]    --> src/models/move.rs:183:8
[INFO] [stdout]     |
[INFO] [stdout] 183 |     fn GenerateSlidingMove(&self, moves: &mut Vec<Move>, 
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `generate_sliding_move`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `GeneratePawnMove` should have a snake case name
[INFO] [stdout]    --> src/models/move.rs:209:8
[INFO] [stdout]     |
[INFO] [stdout] 209 |     fn GeneratePawnMove(&self, moves: &mut Vec<Move>, 
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `generate_pawn_move`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `GenerateKingMove` should have a snake case name
[INFO] [stdout]    --> src/models/move.rs:281:8
[INFO] [stdout]     |
[INFO] [stdout] 281 |     fn GenerateKingMove(&self, moves: &mut Vec<Move>, 
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `generate_king_move`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `GenerateKnightMove` should have a snake case name
[INFO] [stdout]    --> src/models/move.rs:330:8
[INFO] [stdout]     |
[INFO] [stdout] 330 |     fn GenerateKnightMove(&self, moves: &mut Vec<Move>, 
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `generate_knight_move`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Misc` should have a snake case name
[INFO] [stdout]  --> src/common.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub mod Misc {
[INFO] [stdout]   |         ^^^^ help: convert the identifier to snake case: `misc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `MoveData` should have a snake case name
[INFO] [stdout]   --> src/common.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub mod MoveData {
[INFO] [stdout]    |         ^^^^^^^^ help: convert the identifier to snake case: `move_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `CanvasDisplay` should have a snake case name
[INFO] [stdout]   --> src/common.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub mod CanvasDisplay {
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: convert the identifier to snake case: `canvas_display`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `renderer` is never read
[INFO] [stdout]   --> src/models/piece.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub struct PieceTextures<'a> {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 39 |     renderer: &'a TextureCreator<WindowContext>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NORTH_WEST` is never used
[INFO] [stdout]   --> src/common.rs:35:15
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub const NORTH_WEST: usize  = 4;
[INFO] [stdout]    |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SOUTH_EAST` is never used
[INFO] [stdout]   --> src/common.rs:36:15
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub const SOUTH_EAST: usize  = 5;
[INFO] [stdout]    |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NORTH_EAST` is never used
[INFO] [stdout]   --> src/common.rs:37:15
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub const NORTH_EAST: usize  = 6;
[INFO] [stdout]    |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SOUTH_WEST` is never used
[INFO] [stdout]   --> src/common.rs:38:15
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub const SOUTH_WEST: usize  = 7;
[INFO] [stdout]    |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `GenerateMoves` should have a snake case name
[INFO] [stdout]    --> src/models/move.rs:146:12
[INFO] [stdout]     |
[INFO] [stdout] 146 |     pub fn GenerateMoves(&self, board: &mut Board, player_color: PColor) 
[INFO] [stdout]     |            ^^^^^^^^^^^^^ help: convert the identifier to snake case: `generate_moves`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `GenerateSlidingMove` should have a snake case name
[INFO] [stdout]    --> src/models/move.rs:183:8
[INFO] [stdout]     |
[INFO] [stdout] 183 |     fn GenerateSlidingMove(&self, moves: &mut Vec<Move>, 
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `generate_sliding_move`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `GeneratePawnMove` should have a snake case name
[INFO] [stdout]    --> src/models/move.rs:209:8
[INFO] [stdout]     |
[INFO] [stdout] 209 |     fn GeneratePawnMove(&self, moves: &mut Vec<Move>, 
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `generate_pawn_move`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `GenerateKingMove` should have a snake case name
[INFO] [stdout]    --> src/models/move.rs:281:8
[INFO] [stdout]     |
[INFO] [stdout] 281 |     fn GenerateKingMove(&self, moves: &mut Vec<Move>, 
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `generate_king_move`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `GenerateKnightMove` should have a snake case name
[INFO] [stdout]    --> src/models/move.rs:330:8
[INFO] [stdout]     |
[INFO] [stdout] 330 |     fn GenerateKnightMove(&self, moves: &mut Vec<Move>, 
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `generate_knight_move`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Misc` should have a snake case name
[INFO] [stdout]  --> src/common.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub mod Misc {
[INFO] [stdout]   |         ^^^^ help: convert the identifier to snake case: `misc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `MoveData` should have a snake case name
[INFO] [stdout]   --> src/common.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub mod MoveData {
[INFO] [stdout]    |         ^^^^^^^^ help: convert the identifier to snake case: `move_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `CanvasDisplay` should have a snake case name
[INFO] [stdout]   --> src/common.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub mod CanvasDisplay {
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: convert the identifier to snake case: `canvas_display`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.03s
[INFO] running `Command { std: "docker" "inspect" "be3012764ee862b029ced41d3cb5767aca099247ed268e8def6e0065d90828f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be3012764ee862b029ced41d3cb5767aca099247ed268e8def6e0065d90828f5", kill_on_drop: false }`
[INFO] [stdout] be3012764ee862b029ced41d3cb5767aca099247ed268e8def6e0065d90828f5
[INFO] checking LilianSchall/chess.rs against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLilianSchall%2Fchess.rs" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LilianSchall/chess.rs on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LilianSchall/chess.rs
[INFO] finished tweaking git repo https://github.com/LilianSchall/chess.rs
[INFO] tweaked toml for git repo https://github.com/LilianSchall/chess.rs written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/LilianSchall/chess.rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f69f6ec3bde376bf81c6809e0b402462fda510698fd89c23efc4ed376d2aba5e
[INFO] running `Command { std: "docker" "start" "-a" "f69f6ec3bde376bf81c6809e0b402462fda510698fd89c23efc4ed376d2aba5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f69f6ec3bde376bf81c6809e0b402462fda510698fd89c23efc4ed376d2aba5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f69f6ec3bde376bf81c6809e0b402462fda510698fd89c23efc4ed376d2aba5e", kill_on_drop: false }`
[INFO] [stdout] f69f6ec3bde376bf81c6809e0b402462fda510698fd89c23efc4ed376d2aba5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 997e6ade57784d4035fba65b27d266bde5f745b1b74e5d9c04cfe337d5eb8861
[INFO] running `Command { std: "docker" "start" "-a" "997e6ade57784d4035fba65b27d266bde5f745b1b74e5d9c04cfe337d5eb8861", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling version-compare v0.1.0
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling sdl2 v0.35.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking c_vec v2.0.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling sdl2-sys v0.35.1
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/sdl2-0.35.1/src/sdl2/render.rs:233:13
[INFO] [stdout]     |
[INFO] [stdout] 233 |             panic!();
[INFO] [stdout]     |             ^^^^^^^^ cannot infer type
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sdl2` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "997e6ade57784d4035fba65b27d266bde5f745b1b74e5d9c04cfe337d5eb8861", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "997e6ade57784d4035fba65b27d266bde5f745b1b74e5d9c04cfe337d5eb8861", kill_on_drop: false }`
[INFO] [stdout] 997e6ade57784d4035fba65b27d266bde5f745b1b74e5d9c04cfe337d5eb8861