[INFO] cloning repository https://github.com/dcts/connect4-cli
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dcts/connect4-cli" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdcts%2Fconnect4-cli", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdcts%2Fconnect4-cli'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 58ea2964abb1ed70b419055def2d6f54cd1abec6
[INFO] checking dcts/connect4-cli against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdcts%2Fconnect4-cli" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dcts/connect4-cli
[INFO] finished tweaking git repo https://github.com/dcts/connect4-cli
[INFO] tweaked toml for git repo https://github.com/dcts/connect4-cli written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dcts/connect4-cli on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dcts/connect4-cli 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df73c379bdfad0fbb530d4bc1f45bfafdc9032176e7fa93148a45cc944c03119
[INFO] running `Command { std: "docker" "start" "-a" "df73c379bdfad0fbb530d4bc1f45bfafdc9032176e7fa93148a45cc944c03119", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df73c379bdfad0fbb530d4bc1f45bfafdc9032176e7fa93148a45cc944c03119", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df73c379bdfad0fbb530d4bc1f45bfafdc9032176e7fa93148a45cc944c03119", kill_on_drop: false }`
[INFO] [stdout] df73c379bdfad0fbb530d4bc1f45bfafdc9032176e7fa93148a45cc944c03119
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a1417a2c427abfea1322c509a4d366c92b5a6f91f0060ac845f25c4b848cf75
[INFO] running `Command { std: "docker" "start" "-a" "7a1417a2c427abfea1322c509a4d366c92b5a6f91f0060ac845f25c4b848cf75", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling rustversion v1.0.8
[INFO] [stderr]     Checking unicode-normalization v0.1.21
[INFO] [stderr]    Compiling crossbeam-utils v0.8.10
[INFO] [stderr]    Compiling serde_derive v1.0.139
[INFO] [stderr]     Checking once_cell v1.13.0
[INFO] [stderr]    Compiling serde v1.0.139
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking crossbeam-channel v0.5.5
[INFO] [stderr]     Checking integer-encoding v3.0.4
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking console v0.15.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling strum_macros v0.24.2
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking tungstenite v0.16.0
[INFO] [stderr]     Checking strum v0.24.1
[INFO] [stderr]     Checking message-io v0.14.6
[INFO] [stderr]     Checking connect-4-cli v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `network::server::GameSocket`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use network::server::GameSocket;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `endpoint`
[INFO] [stdout]   --> src/network/server.rs:31:31
[INFO] [stdout]    |
[INFO] [stdout] 31 |             NetEvent::Message(endpoint, data) => callback(data),
[INFO] [stdout]    |                               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_endpoint`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/network/server.rs:42:26
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn send_event(&self, data: &[u8]) -> () {
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `pieces_dropped` and `last_move` are never read
[INFO] [stdout]   --> src/board.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct Board {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 32 |     pub slots: [SlotState; (COLS * ROWS) as usize], // 7 cols * 6 rows
[INFO] [stdout] 33 |     pub pieces_dropped: usize,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 34 |     pub last_move: Option<(Position, Player)>,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `winner` and `win_path` are never read
[INFO] [stdout]    --> src/board.rs:217:9
[INFO] [stdout]     |
[INFO] [stdout] 216 | pub struct WinInfo {
[INFO] [stdout]     |            ------- fields in this struct
[INFO] [stdout] 217 |     pub winner: Player,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 218 |     pub win_path: Vec<Position>,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `WinInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GameSocket` is never constructed
[INFO] [stdout]  --> src/network/server.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct GameSocket {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `create_socket`, `receive_event`, and `send_event` are never used
[INFO] [stdout]   --> src/network/server.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl GameSocket {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 10 |     pub fn new(
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn create_socket(listener: NodeListener<()>, callback: fn(&[u8]) -> ()) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     fn receive_event(data: &[u8]) -> () {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     fn send_event(&self, data: &[u8]) -> () {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `network::server::GameSocket`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use network::server::GameSocket;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 | /         board.drop_piece(
[INFO] [stdout] 42 | |             player_move as i8, 
[INFO] [stdout] 43 | |             current_player
[INFO] [stdout] 44 | |         );
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let _ = board.drop_piece(
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `endpoint`
[INFO] [stdout]   --> src/network/server.rs:31:31
[INFO] [stdout]    |
[INFO] [stdout] 31 |             NetEvent::Message(endpoint, data) => callback(data),
[INFO] [stdout]    |                               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_endpoint`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/network/server.rs:42:26
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn send_event(&self, data: &[u8]) -> () {
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `pieces_dropped` and `last_move` are never read
[INFO] [stdout]   --> src/board.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct Board {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 32 |     pub slots: [SlotState; (COLS * ROWS) as usize], // 7 cols * 6 rows
[INFO] [stdout] 33 |     pub pieces_dropped: usize,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 34 |     pub last_move: Option<(Position, Player)>,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `winner` and `win_path` are never read
[INFO] [stdout]    --> src/board.rs:217:9
[INFO] [stdout]     |
[INFO] [stdout] 216 | pub struct WinInfo {
[INFO] [stdout]     |            ------- fields in this struct
[INFO] [stdout] 217 |     pub winner: Player,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 218 |     pub win_path: Vec<Position>,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `WinInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GameSocket` is never constructed
[INFO] [stdout]  --> src/network/server.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct GameSocket {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `create_socket`, `receive_event`, and `send_event` are never used
[INFO] [stdout]   --> src/network/server.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl GameSocket {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 10 |     pub fn new(
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn create_socket(listener: NodeListener<()>, callback: fn(&[u8]) -> ()) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     fn receive_event(data: &[u8]) -> () {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     fn send_event(&self, data: &[u8]) -> () {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 | /         board.drop_piece(
[INFO] [stdout] 42 | |             player_move as i8, 
[INFO] [stdout] 43 | |             current_player
[INFO] [stdout] 44 | |         );
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let _ = board.drop_piece(
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.67s
[INFO] running `Command { std: "docker" "inspect" "7a1417a2c427abfea1322c509a4d366c92b5a6f91f0060ac845f25c4b848cf75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a1417a2c427abfea1322c509a4d366c92b5a6f91f0060ac845f25c4b848cf75", kill_on_drop: false }`
[INFO] [stdout] 7a1417a2c427abfea1322c509a4d366c92b5a6f91f0060ac845f25c4b848cf75
