[INFO] updating cached repository https://github.com/Catman155/four-in-a-row
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 057c1a1df18fea122ba7b7e0fc3731c2dc1b24c9
[INFO] testing Catman155/four-in-a-row against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCatman155%2Ffour-in-a-row" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Catman155/four-in-a-row on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Catman155/four-in-a-row
[INFO] finished tweaking git repo https://github.com/Catman155/four-in-a-row
[INFO] tweaked toml for git repo https://github.com/Catman155/four-in-a-row written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/Catman155/four-in-a-row already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", 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] 4f8481ffdbad21b8c916bb0e8dc64dee00e480d0bb213de566427d7d16d1a14a
[INFO] running `Command { std: "docker" "start" "-a" "4f8481ffdbad21b8c916bb0e8dc64dee00e480d0bb213de566427d7d16d1a14a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f8481ffdbad21b8c916bb0e8dc64dee00e480d0bb213de566427d7d16d1a14a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f8481ffdbad21b8c916bb0e8dc64dee00e480d0bb213de566427d7d16d1a14a", kill_on_drop: false }`
[INFO] [stdout] 4f8481ffdbad21b8c916bb0e8dc64dee00e480d0bb213de566427d7d16d1a14a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", 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] 667cd0cb68a2c3dc32901420df8a3fa4da1d4494c68bfd76e7a829470bfc1bfe
[INFO] running `Command { std: "docker" "start" "-a" "667cd0cb68a2c3dc32901420df8a3fa4da1d4494c68bfd76e7a829470bfc1bfe", kill_on_drop: false }`
[INFO] [stderr]    Compiling rprompt v1.0.3
[INFO] [stderr]    Compiling four_in_a_row v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `BOARD_SIZE`
[INFO] [stdout]  --> src/objects/ai.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use BOARD_SIZE;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `direction`
[INFO] [stdout]   --> src/objects/ai.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 |             let direction = self.get_possible_directions(positions);
[INFO] [stdout]    |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_direction`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/objects/ai.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let mut possible = Vec::<[(i64, i64); 4]>::new();
[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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "667cd0cb68a2c3dc32901420df8a3fa4da1d4494c68bfd76e7a829470bfc1bfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "667cd0cb68a2c3dc32901420df8a3fa4da1d4494c68bfd76e7a829470bfc1bfe", kill_on_drop: false }`
[INFO] [stdout] 667cd0cb68a2c3dc32901420df8a3fa4da1d4494c68bfd76e7a829470bfc1bfe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9cc0ae809b68019cd82b9bdfe554768ce9b9a9eb4633153c1e9658a117dd658
[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" "f9cc0ae809b68019cd82b9bdfe554768ce9b9a9eb4633153c1e9658a117dd658", kill_on_drop: false }`
[INFO] [stderr]    Compiling four_in_a_row v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `BOARD_SIZE`
[INFO] [stdout]  --> src/objects/ai.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use BOARD_SIZE;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `direction`
[INFO] [stdout]   --> src/objects/ai.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 |             let direction = self.get_possible_directions(positions);
[INFO] [stdout]    |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_direction`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/objects/ai.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let mut possible = Vec::<[(i64, i64); 4]>::new();
[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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "f9cc0ae809b68019cd82b9bdfe554768ce9b9a9eb4633153c1e9658a117dd658", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9cc0ae809b68019cd82b9bdfe554768ce9b9a9eb4633153c1e9658a117dd658", kill_on_drop: false }`
[INFO] [stdout] f9cc0ae809b68019cd82b9bdfe554768ce9b9a9eb4633153c1e9658a117dd658
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3f208ac7c6b364c71cd9a8bc5608d7fb3e42399f4dd442233952e9e720a50ac9
[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" "3f208ac7c6b364c71cd9a8bc5608d7fb3e42399f4dd442233952e9e720a50ac9", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `BOARD_SIZE`
[INFO] [stderr]  --> src/objects/ai.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use BOARD_SIZE;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `direction`
[INFO] [stderr]   --> src/objects/ai.rs:19:17
[INFO] [stderr]    |
[INFO] [stderr] 19 |             let direction = self.get_possible_directions(positions);
[INFO] [stderr]    |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_direction`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/objects/ai.rs:31:13
[INFO] [stderr]    |
[INFO] [stderr] 31 |         let mut possible = Vec::<[(i64, i64); 4]>::new();
[INFO] [stderr]    |             ----^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/four_in_a_row-39d5d35759acbc92
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3f208ac7c6b364c71cd9a8bc5608d7fb3e42399f4dd442233952e9e720a50ac9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f208ac7c6b364c71cd9a8bc5608d7fb3e42399f4dd442233952e9e720a50ac9", kill_on_drop: false }`
[INFO] [stdout] 3f208ac7c6b364c71cd9a8bc5608d7fb3e42399f4dd442233952e9e720a50ac9