[INFO] cloning repository https://github.com/cacharle/connect4
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cacharle/connect4" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcacharle%2Fconnect4", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcacharle%2Fconnect4'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 49a4b40d12682e6085af4a8a89a1b1973bdac7de
[INFO] checking cacharle/connect4/49a4b40d12682e6085af4a8a89a1b1973bdac7de against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcacharle%2Fconnect4" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cacharle/connect4 on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cacharle/connect4
[INFO] finished tweaking git repo https://github.com/cacharle/connect4
[INFO] tweaked toml for git repo https://github.com/cacharle/connect4 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/cacharle/connect4 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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitfield-struct v0.5.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff655785dc651e4c249ec1ec5d50433bad7502ecb65dfc0cd6e402dd579df97c
[INFO] running `Command { std: "docker" "start" "-a" "ff655785dc651e4c249ec1ec5d50433bad7502ecb65dfc0cd6e402dd579df97c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff655785dc651e4c249ec1ec5d50433bad7502ecb65dfc0cd6e402dd579df97c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff655785dc651e4c249ec1ec5d50433bad7502ecb65dfc0cd6e402dd579df97c", kill_on_drop: false }`
[INFO] [stdout] ff655785dc651e4c249ec1ec5d50433bad7502ecb65dfc0cd6e402dd579df97c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] edb0a0410f6d641d28d43e9c8f485e203e75a8b481ba26c8ab74a63d375d77cc
[INFO] running `Command { std: "docker" "start" "-a" "edb0a0410f6d641d28d43e9c8f485e203e75a8b481ba26c8ab74a63d375d77cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]     Checking separator v0.4.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling bitfield-struct v0.5.4
[INFO] [stderr]     Checking connect4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Arc`
[INFO] [stdout]   --> src/solver.rs:83:23
[INFO] [stdout]    |
[INFO] [stdout] 83 | use std::sync::{mpsc, Arc};
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Arc`
[INFO] [stdout]   --> src/solver.rs:83:23
[INFO] [stdout]    |
[INFO] [stdout] 83 | use std::sync::{mpsc, Arc};
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_winning_play` found for struct `position::Position` in the current scope
[INFO] [stdout]    --> src/position.rs:364:20
[INFO] [stdout]     |
[INFO] [stdout] 30  | pub struct Position {
[INFO] [stdout]     | ------------------- method `is_winning_play` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 364 |         assert!(!p.is_winning_play(col_pos), "\n{:?}", p);
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `is_winning` with a similar name, but with different arguments
[INFO] [stdout]    --> src/position.rs:80:5
[INFO] [stdout]     |
[INFO] [stdout] 80  |     pub fn is_winning(&self) -> bool {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_winning_play` found for struct `position::Position` in the current scope
[INFO] [stdout]    --> src/position.rs:377:19
[INFO] [stdout]     |
[INFO] [stdout] 30  | pub struct Position {
[INFO] [stdout]     | ------------------- method `is_winning_play` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 377 |         assert!(p.is_winning_play(3), "\n{:?}", p); // horizontal
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `is_winning` with a similar name, but with different arguments
[INFO] [stdout]    --> src/position.rs:80:5
[INFO] [stdout]     |
[INFO] [stdout] 80  |     pub fn is_winning(&self) -> bool {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_winning_play` found for struct `position::Position` in the current scope
[INFO] [stdout]    --> src/position.rs:379:19
[INFO] [stdout]     |
[INFO] [stdout] 30  | pub struct Position {
[INFO] [stdout]     | ------------------- method `is_winning_play` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 379 |         assert!(p.is_winning_play(WIDTH - 1), "\n{:?}", p); // vertical
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `is_winning` with a similar name, but with different arguments
[INFO] [stdout]    --> src/position.rs:80:5
[INFO] [stdout]     |
[INFO] [stdout] 80  |     pub fn is_winning(&self) -> bool {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_winning_play` found for struct `position::Position` in the current scope
[INFO] [stdout]    --> src/position.rs:392:19
[INFO] [stdout]     |
[INFO] [stdout] 30  | pub struct Position {
[INFO] [stdout]     | ------------------- method `is_winning_play` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 392 |         assert!(p.is_winning_play(0), "\n{:?}", p); // diagonal
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `is_winning` with a similar name, but with different arguments
[INFO] [stdout]    --> src/position.rs:80:5
[INFO] [stdout]     |
[INFO] [stdout] 80  |     pub fn is_winning(&self) -> bool {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_winning_play` found for struct `position::Position` in the current scope
[INFO] [stdout]    --> src/position.rs:405:19
[INFO] [stdout]     |
[INFO] [stdout] 30  | pub struct Position {
[INFO] [stdout]     | ------------------- method `is_winning_play` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 405 |         assert!(p.is_winning_play(3), "\n{:?}", p); // anti diagonal
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `is_winning` with a similar name, but with different arguments
[INFO] [stdout]    --> src/position.rs:80:5
[INFO] [stdout]     |
[INFO] [stdout] 80  |     pub fn is_winning(&self) -> bool {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `connect4` (bin "connect4" test) due to 6 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "edb0a0410f6d641d28d43e9c8f485e203e75a8b481ba26c8ab74a63d375d77cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edb0a0410f6d641d28d43e9c8f485e203e75a8b481ba26c8ab74a63d375d77cc", kill_on_drop: false }`
[INFO] [stdout] edb0a0410f6d641d28d43e9c8f485e203e75a8b481ba26c8ab74a63d375d77cc