[INFO] cloning repository https://github.com/Fonan15/vier_gewinnt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Fonan15/vier_gewinnt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFonan15%2Fvier_gewinnt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFonan15%2Fvier_gewinnt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5b8a7901028c1cb6b9e5e5b15a36c8587e2cfec2
[INFO] checking Fonan15/vier_gewinnt against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFonan15%2Fvier_gewinnt" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Fonan15/vier_gewinnt on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Fonan15/vier_gewinnt
[INFO] finished tweaking git repo https://github.com/Fonan15/vier_gewinnt
[INFO] tweaked toml for git repo https://github.com/Fonan15/vier_gewinnt written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/Fonan15/vier_gewinnt already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "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] 8cc0351f1ac6fd2ead88f1ca5f9ff450c4fa26669d8ca2895493899e5405ac0c
[INFO] running `Command { std: "docker" "start" "-a" "8cc0351f1ac6fd2ead88f1ca5f9ff450c4fa26669d8ca2895493899e5405ac0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8cc0351f1ac6fd2ead88f1ca5f9ff450c4fa26669d8ca2895493899e5405ac0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cc0351f1ac6fd2ead88f1ca5f9ff450c4fa26669d8ca2895493899e5405ac0c", kill_on_drop: false }`
[INFO] [stdout] 8cc0351f1ac6fd2ead88f1ca5f9ff450c4fa26669d8ca2895493899e5405ac0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--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] 8fdb5f1877e907e243f978e2aff46084a26300083caf5203610ff535bd412c7c
[INFO] running `Command { std: "docker" "start" "-a" "8fdb5f1877e907e243f978e2aff46084a26300083caf5203610ff535bd412c7c", kill_on_drop: false }`
[INFO] [stderr]     Checking vier_gewinnt v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:108:11
[INFO] [stdout]     |
[INFO] [stdout] 108 |           if(ground[x][y] != 0 &&
[INFO] [stdout]     |  ___________^
[INFO] [stdout] 109 | |         ground[x][y]==ground[x][y+1] &&
[INFO] [stdout] 110 | |         ground[x][y]==ground[x][y+2] && 
[INFO] [stdout] 111 | |         ground[x][y]==ground[x][y+3]){
[INFO] [stdout]     | |_____________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 108 |         if ground[x][y] != 0 &&
[INFO] [stdout] 109 |         ground[x][y]==ground[x][y+1] &&
[INFO] [stdout] 110 |         ground[x][y]==ground[x][y+2] && 
[INFO] [stdout] 111 |         ground[x][y]==ground[x][y+3] {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:120:11
[INFO] [stdout]     |
[INFO] [stdout] 120 |           if(ground[x][y] != 0 &&
[INFO] [stdout]     |  ___________^
[INFO] [stdout] 121 | |         ground[x][y]==ground[x+1][y] &&
[INFO] [stdout] 122 | |         ground[x][y]==ground[x+2][y] &&
[INFO] [stdout] 123 | |         ground[x][y]==ground[x+3][y]){
[INFO] [stdout]     | |_____________________________________^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 120 |         if ground[x][y] != 0 &&
[INFO] [stdout] 121 |         ground[x][y]==ground[x+1][y] &&
[INFO] [stdout] 122 |         ground[x][y]==ground[x+2][y] &&
[INFO] [stdout] 123 |         ground[x][y]==ground[x+3][y] {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:132:11
[INFO] [stdout]     |
[INFO] [stdout] 132 |           if(ground[x][y] != 0 &&
[INFO] [stdout]     |  ___________^
[INFO] [stdout] 133 | |         ground[x][y]==ground[x+1][y+1] &&
[INFO] [stdout] 134 | |         ground[x][y]==ground[x+2][y+2] &&
[INFO] [stdout] 135 | |         ground[x][y]==ground[x+3][y+3]){
[INFO] [stdout]     | |_______________________________________^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 132 |         if ground[x][y] != 0 &&
[INFO] [stdout] 133 |         ground[x][y]==ground[x+1][y+1] &&
[INFO] [stdout] 134 |         ground[x][y]==ground[x+2][y+2] &&
[INFO] [stdout] 135 |         ground[x][y]==ground[x+3][y+3] {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:144:11
[INFO] [stdout]     |
[INFO] [stdout] 144 |           if(ground[x][y] != 0 &&
[INFO] [stdout]     |  ___________^
[INFO] [stdout] 145 | |         ground[x][y]==ground[x+1][y-1] &&
[INFO] [stdout] 146 | |         ground[x][y]==ground[x+2][y-2] &&
[INFO] [stdout] 147 | |         ground[x][y]==ground[x+3][y-3]){
[INFO] [stdout]     | |_______________________________________^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 144 |         if ground[x][y] != 0 &&
[INFO] [stdout] 145 |         ground[x][y]==ground[x+1][y-1] &&
[INFO] [stdout] 146 |         ground[x][y]==ground[x+2][y-2] &&
[INFO] [stdout] 147 |         ground[x][y]==ground[x+3][y-3] {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:108:11
[INFO] [stdout]     |
[INFO] [stdout] 108 |           if(ground[x][y] != 0 &&
[INFO] [stdout]     |  ___________^
[INFO] [stdout] 109 | |         ground[x][y]==ground[x][y+1] &&
[INFO] [stdout] 110 | |         ground[x][y]==ground[x][y+2] && 
[INFO] [stdout] 111 | |         ground[x][y]==ground[x][y+3]){
[INFO] [stdout]     | |_____________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 108 |         if ground[x][y] != 0 &&
[INFO] [stdout] 109 |         ground[x][y]==ground[x][y+1] &&
[INFO] [stdout] 110 |         ground[x][y]==ground[x][y+2] && 
[INFO] [stdout] 111 |         ground[x][y]==ground[x][y+3] {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:120:11
[INFO] [stdout]     |
[INFO] [stdout] 120 |           if(ground[x][y] != 0 &&
[INFO] [stdout]     |  ___________^
[INFO] [stdout] 121 | |         ground[x][y]==ground[x+1][y] &&
[INFO] [stdout] 122 | |         ground[x][y]==ground[x+2][y] &&
[INFO] [stdout] 123 | |         ground[x][y]==ground[x+3][y]){
[INFO] [stdout]     | |_____________________________________^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 120 |         if ground[x][y] != 0 &&
[INFO] [stdout] 121 |         ground[x][y]==ground[x+1][y] &&
[INFO] [stdout] 122 |         ground[x][y]==ground[x+2][y] &&
[INFO] [stdout] 123 |         ground[x][y]==ground[x+3][y] {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:132:11
[INFO] [stdout]     |
[INFO] [stdout] 132 |           if(ground[x][y] != 0 &&
[INFO] [stdout]     |  ___________^
[INFO] [stdout] 133 | |         ground[x][y]==ground[x+1][y+1] &&
[INFO] [stdout] 134 | |         ground[x][y]==ground[x+2][y+2] &&
[INFO] [stdout] 135 | |         ground[x][y]==ground[x+3][y+3]){
[INFO] [stdout]     | |_______________________________________^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 132 |         if ground[x][y] != 0 &&
[INFO] [stdout] 133 |         ground[x][y]==ground[x+1][y+1] &&
[INFO] [stdout] 134 |         ground[x][y]==ground[x+2][y+2] &&
[INFO] [stdout] 135 |         ground[x][y]==ground[x+3][y+3] {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:144:11
[INFO] [stdout]     |
[INFO] [stdout] 144 |           if(ground[x][y] != 0 &&
[INFO] [stdout]     |  ___________^
[INFO] [stdout] 145 | |         ground[x][y]==ground[x+1][y-1] &&
[INFO] [stdout] 146 | |         ground[x][y]==ground[x+2][y-2] &&
[INFO] [stdout] 147 | |         ground[x][y]==ground[x+3][y-3]){
[INFO] [stdout]     | |_______________________________________^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 144 |         if ground[x][y] != 0 &&
[INFO] [stdout] 145 |         ground[x][y]==ground[x+1][y-1] &&
[INFO] [stdout] 146 |         ground[x][y]==ground[x+2][y-2] &&
[INFO] [stdout] 147 |         ground[x][y]==ground[x+3][y-3] {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:89:20
[INFO] [stdout]    |
[INFO] [stdout] 89 |                         continue; 0}; //If lane is out of bounds go to beginning of input
[INFO] [stdout]    |                         --------  ^ unreachable expression
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         any code following this expression is unreachable
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:89:20
[INFO] [stdout]    |
[INFO] [stdout] 89 |                         continue; 0}; //If lane is out of bounds go to beginning of input
[INFO] [stdout]    |                         --------  ^ unreachable expression
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         any code following this expression is unreachable
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "8fdb5f1877e907e243f978e2aff46084a26300083caf5203610ff535bd412c7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fdb5f1877e907e243f978e2aff46084a26300083caf5203610ff535bd412c7c", kill_on_drop: false }`
[INFO] [stdout] 8fdb5f1877e907e243f978e2aff46084a26300083caf5203610ff535bd412c7c