[INFO] cloning repository https://github.com/mscotch1/othello-cl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mscotch1/othello-cl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmscotch1%2Fothello-cl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmscotch1%2Fothello-cl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 285fd3d6d0425991fa2b14db20fd9666ad6ffc38
[INFO] checking mscotch1/othello-cl against master#43ca9d18e333797f0aa3b525501a7cec8d61a96b for pr-136764
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmscotch1%2Fothello-cl" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mscotch1/othello-cl on toolchain 43ca9d18e333797f0aa3b525501a7cec8d61a96b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+43ca9d18e333797f0aa3b525501a7cec8d61a96b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mscotch1/othello-cl
[INFO] finished tweaking git repo https://github.com/mscotch1/othello-cl
[INFO] tweaked toml for git repo https://github.com/mscotch1/othello-cl written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mscotch1/othello-cl 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" "+43ca9d18e333797f0aa3b525501a7cec8d61a96b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+43ca9d18e333797f0aa3b525501a7cec8d61a96b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bed2626234d889cb3109d2a7cfbf6bedc1f1bc869a065d226816f7bda4ec9ce6
[INFO] running `Command { std: "docker" "start" "-a" "bed2626234d889cb3109d2a7cfbf6bedc1f1bc869a065d226816f7bda4ec9ce6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bed2626234d889cb3109d2a7cfbf6bedc1f1bc869a065d226816f7bda4ec9ce6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bed2626234d889cb3109d2a7cfbf6bedc1f1bc869a065d226816f7bda4ec9ce6", kill_on_drop: false }`
[INFO] [stdout] bed2626234d889cb3109d2a7cfbf6bedc1f1bc869a065d226816f7bda4ec9ce6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+43ca9d18e333797f0aa3b525501a7cec8d61a96b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca59c2eb1114971e15fa895ad9d90d243322cece3d7b970b9c52cc4ffdb4f84c
[INFO] running `Command { std: "docker" "start" "-a" "ca59c2eb1114971e15fa895ad9d90d243322cece3d7b970b9c52cc4ffdb4f84c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking othello-cl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/game.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn new(args: &env::Args) -> Game {
[INFO] [stdout]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/cli.rs:40:17
[INFO] [stdout]    |
[INFO] [stdout] 40 |             Err(e) => Command::Invalid,
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]  --> src/game.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Game {
[INFO] [stdout]   |            ---- field in this struct
[INFO] [stdout] 8 |     board_state: [u8; 64],
[INFO] [stdout] 9 |     config: config::Config,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/cli.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 |     Move(String),
[INFO] [stdout]   |     ---- ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 3 |     Move(()),
[INFO] [stdout]   |          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `history` is never read
[INFO] [stdout]   --> src/cli.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct CLI {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] 16 |     history: Vec<String>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x` and `y` are never read
[INFO] [stdout]  --> src/display.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Display {
[INFO] [stdout]   |            ------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 8 |     x: u16,
[INFO] [stdout]   |     ^
[INFO] [stdout] 9 |     y: u16,
[INFO] [stdout]   |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/game.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn new(args: &env::Args) -> Game {
[INFO] [stdout]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/cli.rs:40:17
[INFO] [stdout]    |
[INFO] [stdout] 40 |             Err(e) => Command::Invalid,
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]  --> src/game.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Game {
[INFO] [stdout]   |            ---- field in this struct
[INFO] [stdout] 8 |     board_state: [u8; 64],
[INFO] [stdout] 9 |     config: config::Config,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/cli.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 |     Move(String),
[INFO] [stdout]   |     ---- ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 3 |     Move(()),
[INFO] [stdout]   |          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `history` is never read
[INFO] [stdout]   --> src/cli.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct CLI {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] 16 |     history: Vec<String>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x` and `y` are never read
[INFO] [stdout]  --> src/display.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Display {
[INFO] [stdout]   |            ------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 8 |     x: u16,
[INFO] [stdout]   |     ^
[INFO] [stdout] 9 |     y: u16,
[INFO] [stdout]   |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "ca59c2eb1114971e15fa895ad9d90d243322cece3d7b970b9c52cc4ffdb4f84c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca59c2eb1114971e15fa895ad9d90d243322cece3d7b970b9c52cc4ffdb4f84c", kill_on_drop: false }`
[INFO] [stdout] ca59c2eb1114971e15fa895ad9d90d243322cece3d7b970b9c52cc4ffdb4f84c