[INFO] cloning repository https://github.com/b-alkhateeb/rustChess
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/b-alkhateeb/rustChess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fb-alkhateeb%2FrustChess", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fb-alkhateeb%2FrustChess'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 60adade868cd3e8830e9456bf9e12a1ee8433c57
[INFO] building b-alkhateeb/rustChess 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%2Fb-alkhateeb%2FrustChess" "/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/b-alkhateeb/rustChess 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/b-alkhateeb/rustChess
[INFO] finished tweaking git repo https://github.com/b-alkhateeb/rustChess
[INFO] tweaked toml for git repo https://github.com/b-alkhateeb/rustChess written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/b-alkhateeb/rustChess 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] 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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51ee28db38c08d8f32e1d2b90aa8ae42a7cc139cb7e4241936a9497b01e1695a
[INFO] running `Command { std: "docker" "start" "-a" "51ee28db38c08d8f32e1d2b90aa8ae42a7cc139cb7e4241936a9497b01e1695a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51ee28db38c08d8f32e1d2b90aa8ae42a7cc139cb7e4241936a9497b01e1695a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51ee28db38c08d8f32e1d2b90aa8ae42a7cc139cb7e4241936a9497b01e1695a", kill_on_drop: false }`
[INFO] [stdout] 51ee28db38c08d8f32e1d2b90aa8ae42a7cc139cb7e4241936a9497b01e1695a
[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 -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] b20dfa9596f872df3947aa213c8602feb787eb9f1e6dfab14ffaae2114b7edd0
[INFO] running `Command { std: "docker" "start" "-a" "b20dfa9596f872df3947aa213c8602feb787eb9f1e6dfab14ffaae2114b7edd0", kill_on_drop: false }`
[INFO] [stderr]    Compiling chess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> chess.rs:248:9
[INFO] [stdout]     |
[INFO] [stdout] 248 |     let mut start_index;
[INFO] [stdout]     |         ----^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `moveEntry` should have a snake case name
[INFO] [stdout]   --> position.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub moveEntry: Move,
[INFO] [stdout]    |         ^^^^^^^^^ help: convert the identifier to snake case: `move_entry`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `boardState` should have a snake case name
[INFO] [stdout]   --> position.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub boardState: Board,
[INFO] [stdout]    |         ^^^^^^^^^^ help: convert the identifier to snake case: `board_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `isCaptureMove` should have a snake case name
[INFO] [stdout]   --> position.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub isCaptureMove: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: convert the identifier to snake case: `is_capture_move`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "b20dfa9596f872df3947aa213c8602feb787eb9f1e6dfab14ffaae2114b7edd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b20dfa9596f872df3947aa213c8602feb787eb9f1e6dfab14ffaae2114b7edd0", kill_on_drop: false }`
[INFO] [stdout] b20dfa9596f872df3947aa213c8602feb787eb9f1e6dfab14ffaae2114b7edd0
[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 -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] 764f28aa80a7cc88f36fc738982d94355014474665211f0c95202985907c6f28
[INFO] running `Command { std: "docker" "start" "-a" "764f28aa80a7cc88f36fc738982d94355014474665211f0c95202985907c6f28", kill_on_drop: false }`
[INFO] [stderr]    Compiling chess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> chess.rs:248:9
[INFO] [stdout]     |
[INFO] [stdout] 248 |     let mut start_index;
[INFO] [stdout]     |         ----^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `moveEntry` should have a snake case name
[INFO] [stdout]   --> position.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub moveEntry: Move,
[INFO] [stdout]    |         ^^^^^^^^^ help: convert the identifier to snake case: `move_entry`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `boardState` should have a snake case name
[INFO] [stdout]   --> position.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub boardState: Board,
[INFO] [stdout]    |         ^^^^^^^^^^ help: convert the identifier to snake case: `board_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `isCaptureMove` should have a snake case name
[INFO] [stdout]   --> position.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub isCaptureMove: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: convert the identifier to snake case: `is_capture_move`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "764f28aa80a7cc88f36fc738982d94355014474665211f0c95202985907c6f28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "764f28aa80a7cc88f36fc738982d94355014474665211f0c95202985907c6f28", kill_on_drop: false }`
[INFO] [stdout] 764f28aa80a7cc88f36fc738982d94355014474665211f0c95202985907c6f28