[INFO] cloning repository https://github.com/mmgeorge/ConnectFour
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mmgeorge/ConnectFour" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmgeorge%2FConnectFour", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmgeorge%2FConnectFour'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] edee1618a34dedf6d3c43435125d2b02d8309e09
[INFO] testing mmgeorge/ConnectFour against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmgeorge%2FConnectFour" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mmgeorge/ConnectFour on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mmgeorge/ConnectFour
[INFO] finished tweaking git repo https://github.com/mmgeorge/ConnectFour
[INFO] tweaked toml for git repo https://github.com/mmgeorge/ConnectFour written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/mmgeorge/ConnectFour already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 45aa1e122d4427f52779201d72d4720937e06dadb7af2e7d825dbe36979a9d85
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "45aa1e122d4427f52779201d72d4720937e06dadb7af2e7d825dbe36979a9d85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45aa1e122d4427f52779201d72d4720937e06dadb7af2e7d825dbe36979a9d85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45aa1e122d4427f52779201d72d4720937e06dadb7af2e7d825dbe36979a9d85", kill_on_drop: false }`
[INFO] [stdout] 45aa1e122d4427f52779201d72d4720937e06dadb7af2e7d825dbe36979a9d85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd53b0abaf75419ecf2c63c841527610120b6c8892d9ca104247e70dc61f1d60
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "dd53b0abaf75419ecf2c63c841527610120b6c8892d9ca104247e70dc61f1d60", kill_on_drop: false }`
[INFO] [stderr]    Compiling connect_four v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `ConnectK`, `Player`
[INFO] [stdout]    --> src/game.rs:361:14
[INFO] [stdout]     |
[INFO] [stdout] 361 |     use super::{ConnectK,Player};
[INFO] [stdout]     |                 ^^^^^^^^ ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "dd53b0abaf75419ecf2c63c841527610120b6c8892d9ca104247e70dc61f1d60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd53b0abaf75419ecf2c63c841527610120b6c8892d9ca104247e70dc61f1d60", kill_on_drop: false }`
[INFO] [stdout] dd53b0abaf75419ecf2c63c841527610120b6c8892d9ca104247e70dc61f1d60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84a0aefd399dbb2eef231cfd63ccb2eb7f654d6d01819bdb40ac27b6166ba05d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "84a0aefd399dbb2eef231cfd63ccb2eb7f654d6d01819bdb40ac27b6166ba05d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: unused imports: `ConnectK`, `Player`
[INFO] [stdout]    --> src/game.rs:361:14
[INFO] [stdout]     |
[INFO] [stdout] 361 |     use super::{ConnectK,Player};
[INFO] [stdout]     |                 ^^^^^^^^ ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling connect_four v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "84a0aefd399dbb2eef231cfd63ccb2eb7f654d6d01819bdb40ac27b6166ba05d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84a0aefd399dbb2eef231cfd63ccb2eb7f654d6d01819bdb40ac27b6166ba05d", kill_on_drop: false }`
[INFO] [stdout] 84a0aefd399dbb2eef231cfd63ccb2eb7f654d6d01819bdb40ac27b6166ba05d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 02aeb380365857ebd428c6718c2c54f3c4d988845d61a873a6aedfe21097b61c
[INFO] running `Command { std: "docker" "start" "-a" "02aeb380365857ebd428c6718c2c54f3c4d988845d61a873a6aedfe21097b61c", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `ConnectK`, `Player`
[INFO] [stderr]    --> src/game.rs:361:14
[INFO] [stderr]     |
[INFO] [stderr] 361 |     use super::{ConnectK,Player};
[INFO] [stderr]     |                 ^^^^^^^^ ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `connect_four` (lib) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/connect_four-d5ed22280195aea0)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test game::format_tests::display_empty_board ... ok
[INFO] [stdout] test game::is_winner_test::no_winner ... ok
[INFO] [stdout] test game::is_winner_test::player_1_diag_win ... ok
[INFO] [stdout] test game::is_winner_test::player_1_winner ... ok
[INFO] [stderr]    Doc-tests connect_four
[INFO] [stdout] test game::is_winner_test::player_2_winner ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "02aeb380365857ebd428c6718c2c54f3c4d988845d61a873a6aedfe21097b61c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02aeb380365857ebd428c6718c2c54f3c4d988845d61a873a6aedfe21097b61c", kill_on_drop: false }`
[INFO] [stdout] 02aeb380365857ebd428c6718c2c54f3c4d988845d61a873a6aedfe21097b61c