[INFO] cloning repository https://github.com/CrimsonDart/chess
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CrimsonDart/chess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCrimsonDart%2Fchess", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCrimsonDart%2Fchess'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cbcb6622f2086bc30ab9da1c8ddb45aa80d7aaed
[INFO] building CrimsonDart/chess against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCrimsonDart%2Fchess" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CrimsonDart/chess on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/CrimsonDart/chess
[INFO] finished tweaking git repo https://github.com/CrimsonDart/chess
[INFO] tweaked toml for git repo https://github.com/CrimsonDart/chess written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/CrimsonDart/chess 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: toolchain
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ratatui v0.20.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f22a01218c09542ab88574ed44d2003774c8c39361492dcd8e4d827b9d9ad81
[INFO] running `Command { std: "docker" "start" "-a" "4f22a01218c09542ab88574ed44d2003774c8c39361492dcd8e4d827b9d9ad81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f22a01218c09542ab88574ed44d2003774c8c39361492dcd8e4d827b9d9ad81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f22a01218c09542ab88574ed44d2003774c8c39361492dcd8e4d827b9d9ad81", kill_on_drop: false }`
[INFO] [stdout] 4f22a01218c09542ab88574ed44d2003774c8c39361492dcd8e4d827b9d9ad81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b2061a131e8fee7171e75fd4b1cddd6c71ddc8ddeebed0fa64c45eae766bf32
[INFO] running `Command { std: "docker" "start" "-a" "3b2061a131e8fee7171e75fd4b1cddd6c71ddc8ddeebed0fa64c45eae766bf32", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: toolchain
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling signal-hook v0.3.15
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling cassowary v0.3.0
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling mio v0.8.6
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling signal-hook-mio v0.2.3
[INFO] [stderr]    Compiling crossterm v0.26.1
[INFO] [stderr]    Compiling ratatui v0.20.1
[INFO] [stderr]    Compiling chess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `EnableMouseCapture`
[INFO] [stdout]  --> src/display/dynamic.rs:8:34
[INFO] [stdout]   |
[INFO] [stdout] 8 |     event::{DisableMouseCapture, EnableMouseCapture},
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `board_widget as widget`
[INFO] [stdout]  --> src/display/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use board_widget as widget;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `check::is_checkmated`
[INFO] [stdout]  --> src/display/events/mod.rs:7:34
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::{board::{Board, Loc}, check::is_checkmated};
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Space`
[INFO] [stdout]  --> src/check.rs:4:43
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::types::{MoveData, Movement::*, Space, Space::*, Direction};
[INFO] [stdout]   |                                           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused label
[INFO] [stdout]   --> src/check.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     'pawn: {
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_labels)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused label
[INFO] [stdout]   --> src/check.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     'rook: {
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused label
[INFO] [stdout]   --> src/check.rs:99:5
[INFO] [stdout]    |
[INFO] [stdout] 99 |     'knight: {
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused label
[INFO] [stdout]    --> src/check.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout] 113 |     'bishop: {
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `write_board`
[INFO] [stdout]  --> src/piece.rs:1:41
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::board::{read_board, do_move, write_board};
[INFO] [stdout]   |                                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `to`
[INFO] [stdout]   --> src/board.rs:54:73
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub fn move_piece(board: &mut Board, fromc: Loc, from: Space, toc: Loc, to: Space) -> bool {
[INFO] [stdout]    |                                                                         ^^ help: if this is intentional, prefix it with an underscore: `_to`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]    --> src/piece.rs:107:41
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn rook_list(board: &Board, fromc: Loc, from: Space, vector: &mut Vec<MoveData>) {
[INFO] [stdout]     |                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]    --> src/piece.rs:114:43
[INFO] [stdout]     |
[INFO] [stdout] 114 | fn knight_list(board: &Board, fromc: Loc, from: Space, vector: &mut Vec<MoveData>) {
[INFO] [stdout]     |                                           ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]    --> src/piece.rs:127:43
[INFO] [stdout]     |
[INFO] [stdout] 127 | fn bishop_list(board: &Board, fromc: Loc, from: Space, vector: &mut Vec<MoveData>) {
[INFO] [stdout]     |                                           ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]    --> src/piece.rs:133:42
[INFO] [stdout]     |
[INFO] [stdout] 133 | fn queen_list(board: &Board, fromc: Loc, from: Space, vector: &mut Vec<MoveData>) {
[INFO] [stdout]     |                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NO_PAWNS` is never used
[INFO] [stdout]   --> src/board.rs:26:11
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub const NO_PAWNS: Board =
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `PawnSkip` is never constructed
[INFO] [stdout]   --> src/types.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub enum Movement {
[INFO] [stdout]    |          -------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 57 |     PawnSkip,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Movement` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.54s
[INFO] running `Command { std: "docker" "inspect" "3b2061a131e8fee7171e75fd4b1cddd6c71ddc8ddeebed0fa64c45eae766bf32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b2061a131e8fee7171e75fd4b1cddd6c71ddc8ddeebed0fa64c45eae766bf32", kill_on_drop: false }`
[INFO] [stdout] 3b2061a131e8fee7171e75fd4b1cddd6c71ddc8ddeebed0fa64c45eae766bf32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe656dade5b2a64a34d6fdd80670c07edcabc6afa8f64c8b1645708542aa59b1
[INFO] running `Command { std: "docker" "start" "-a" "fe656dade5b2a64a34d6fdd80670c07edcabc6afa8f64c8b1645708542aa59b1", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: toolchain
[INFO] [stderr]    Compiling chess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `EnableMouseCapture`
[INFO] [stdout]  --> src/display/dynamic.rs:8:34
[INFO] [stdout]   |
[INFO] [stdout] 8 |     event::{DisableMouseCapture, EnableMouseCapture},
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `board_widget as widget`
[INFO] [stdout]  --> src/display/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use board_widget as widget;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `check::is_checkmated`
[INFO] [stdout]  --> src/display/events/mod.rs:7:34
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::{board::{Board, Loc}, check::is_checkmated};
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Space`
[INFO] [stdout]  --> src/check.rs:4:43
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::types::{MoveData, Movement::*, Space, Space::*, Direction};
[INFO] [stdout]   |                                           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused label
[INFO] [stdout]   --> src/check.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     'pawn: {
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_labels)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused label
[INFO] [stdout]   --> src/check.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     'rook: {
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused label
[INFO] [stdout]   --> src/check.rs:99:5
[INFO] [stdout]    |
[INFO] [stdout] 99 |     'knight: {
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused label
[INFO] [stdout]    --> src/check.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout] 113 |     'bishop: {
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `write_board`
[INFO] [stdout]  --> src/piece.rs:1:41
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::board::{read_board, do_move, write_board};
[INFO] [stdout]   |                                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `to`
[INFO] [stdout]   --> src/board.rs:54:73
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub fn move_piece(board: &mut Board, fromc: Loc, from: Space, toc: Loc, to: Space) -> bool {
[INFO] [stdout]    |                                                                         ^^ help: if this is intentional, prefix it with an underscore: `_to`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]    --> src/piece.rs:107:41
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn rook_list(board: &Board, fromc: Loc, from: Space, vector: &mut Vec<MoveData>) {
[INFO] [stdout]     |                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]    --> src/piece.rs:114:43
[INFO] [stdout]     |
[INFO] [stdout] 114 | fn knight_list(board: &Board, fromc: Loc, from: Space, vector: &mut Vec<MoveData>) {
[INFO] [stdout]     |                                           ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]    --> src/piece.rs:127:43
[INFO] [stdout]     |
[INFO] [stdout] 127 | fn bishop_list(board: &Board, fromc: Loc, from: Space, vector: &mut Vec<MoveData>) {
[INFO] [stdout]     |                                           ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]    --> src/piece.rs:133:42
[INFO] [stdout]     |
[INFO] [stdout] 133 | fn queen_list(board: &Board, fromc: Loc, from: Space, vector: &mut Vec<MoveData>) {
[INFO] [stdout]     |                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NO_PAWNS` is never used
[INFO] [stdout]   --> src/board.rs:26:11
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub const NO_PAWNS: Board =
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `PawnSkip` is never constructed
[INFO] [stdout]   --> src/types.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub enum Movement {
[INFO] [stdout]    |          -------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 57 |     PawnSkip,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Movement` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "fe656dade5b2a64a34d6fdd80670c07edcabc6afa8f64c8b1645708542aa59b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe656dade5b2a64a34d6fdd80670c07edcabc6afa8f64c8b1645708542aa59b1", kill_on_drop: false }`
[INFO] [stdout] fe656dade5b2a64a34d6fdd80670c07edcabc6afa8f64c8b1645708542aa59b1