[INFO] cloning repository https://github.com/FredeHG/chess_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FredeHG/chess_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFredeHG%2Fchess_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFredeHG%2Fchess_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 483b937e4707d107bd62f96741454694735e5a91
[INFO] building FredeHG/chess_rust 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%2FFredeHG%2Fchess_rust" "/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/FredeHG/chess_rust 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/FredeHG/chess_rust
[INFO] finished tweaking git repo https://github.com/FredeHG/chess_rust
[INFO] tweaked toml for git repo https://github.com/FredeHG/chess_rust written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/FredeHG/chess_rust 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tui v0.19.0
[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] 60ca642a4f4732763d0bb5c66d57f8578be88684c9027d34be0089bce017eb94
[INFO] running `Command { std: "docker" "start" "-a" "60ca642a4f4732763d0bb5c66d57f8578be88684c9027d34be0089bce017eb94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60ca642a4f4732763d0bb5c66d57f8578be88684c9027d34be0089bce017eb94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60ca642a4f4732763d0bb5c66d57f8578be88684c9027d34be0089bce017eb94", kill_on_drop: false }`
[INFO] [stdout] 60ca642a4f4732763d0bb5c66d57f8578be88684c9027d34be0089bce017eb94
[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] 79fa5c41d9addee968b209febcc74a72bcb167cfea8b476027ef4e801e74daff
[INFO] running `Command { std: "docker" "start" "-a" "79fa5c41d9addee968b209febcc74a72bcb167cfea8b476027ef4e801e74daff", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]    Compiling cassowary v0.3.0
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling signal-hook-mio v0.2.3
[INFO] [stderr]    Compiling crossterm v0.25.0
[INFO] [stderr]    Compiling tui v0.19.0
[INFO] [stderr]    Compiling chess-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]   --> src/app.rs:39:14
[INFO] [stdout]    |
[INFO] [stdout] 39 |         for (u, cell_row) in (&self.board).into_iter().enumerate() {
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> src/app.rs:40:18
[INFO] [stdout]    |
[INFO] [stdout] 40 |             for (r, cell) in cell_row.clone().into_iter().enumerate() {
[INFO] [stdout]    |                  ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cell`
[INFO] [stdout]   --> src/app.rs:40:21
[INFO] [stdout]    |
[INFO] [stdout] 40 |             for (r, cell) in cell_row.clone().into_iter().enumerate() {
[INFO] [stdout]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_cell`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Movement` is never used
[INFO] [stdout]  --> src/app.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub type Movement = (String, String);
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `execute_command` and `find_cell` are never used
[INFO] [stdout]   --> src/app.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |   impl App {
[INFO] [stdout]    |   -------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn execute_command(self: &mut Self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     fn find_cell(self :&Self) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_selected` is never used
[INFO] [stdout]   --> src/app.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 53 | impl Cell {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 76 |     pub fn set_selected(& mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/app.rs:40:38
[INFO] [stdout]    |
[INFO] [stdout] 40 |             for (r, cell) in cell_row.clone().into_iter().enumerate() {
[INFO] [stdout]    |                                      ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `[app::Cell; 9]` does not implement `Clone`, so calling `clone` on `&[app::Cell; 9]` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.54s
[INFO] running `Command { std: "docker" "inspect" "79fa5c41d9addee968b209febcc74a72bcb167cfea8b476027ef4e801e74daff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79fa5c41d9addee968b209febcc74a72bcb167cfea8b476027ef4e801e74daff", kill_on_drop: false }`
[INFO] [stdout] 79fa5c41d9addee968b209febcc74a72bcb167cfea8b476027ef4e801e74daff
[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] cfa5d5663a52f18689628d6b2a63d23b6adc03ebc21ad29a7061f69c31bfc516
[INFO] running `Command { std: "docker" "start" "-a" "cfa5d5663a52f18689628d6b2a63d23b6adc03ebc21ad29a7061f69c31bfc516", kill_on_drop: false }`
[INFO] [stderr]    Compiling chess-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]   --> src/app.rs:39:14
[INFO] [stdout]    |
[INFO] [stdout] 39 |         for (u, cell_row) in (&self.board).into_iter().enumerate() {
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> src/app.rs:40:18
[INFO] [stdout]    |
[INFO] [stdout] 40 |             for (r, cell) in cell_row.clone().into_iter().enumerate() {
[INFO] [stdout]    |                  ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cell`
[INFO] [stdout]   --> src/app.rs:40:21
[INFO] [stdout]    |
[INFO] [stdout] 40 |             for (r, cell) in cell_row.clone().into_iter().enumerate() {
[INFO] [stdout]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_cell`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Movement` is never used
[INFO] [stdout]  --> src/app.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub type Movement = (String, String);
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `execute_command` and `find_cell` are never used
[INFO] [stdout]   --> src/app.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |   impl App {
[INFO] [stdout]    |   -------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn execute_command(self: &mut Self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     fn find_cell(self :&Self) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_selected` is never used
[INFO] [stdout]   --> src/app.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 53 | impl Cell {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 76 |     pub fn set_selected(& mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/app.rs:40:38
[INFO] [stdout]    |
[INFO] [stdout] 40 |             for (r, cell) in cell_row.clone().into_iter().enumerate() {
[INFO] [stdout]    |                                      ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `[app::Cell; 9]` does not implement `Clone`, so calling `clone` on `&[app::Cell; 9]` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "cfa5d5663a52f18689628d6b2a63d23b6adc03ebc21ad29a7061f69c31bfc516", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfa5d5663a52f18689628d6b2a63d23b6adc03ebc21ad29a7061f69c31bfc516", kill_on_drop: false }`
[INFO] [stdout] cfa5d5663a52f18689628d6b2a63d23b6adc03ebc21ad29a7061f69c31bfc516