[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] documenting Fonan15/vier_gewinnt against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFonan15%2Fvier_gewinnt" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Fonan15/vier_gewinnt on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "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-13/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" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1abc2d62b301b35e2c94021f26b7e846db4a4c0e1009f43120c7a6a7ecf255b6
[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" "1abc2d62b301b35e2c94021f26b7e846db4a4c0e1009f43120c7a6a7ecf255b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1abc2d62b301b35e2c94021f26b7e846db4a4c0e1009f43120c7a6a7ecf255b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1abc2d62b301b35e2c94021f26b7e846db4a4c0e1009f43120c7a6a7ecf255b6", kill_on_drop: false }`
[INFO] [stdout] 1abc2d62b301b35e2c94021f26b7e846db4a4c0e1009f43120c7a6a7ecf255b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--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] f0381e0d0497622df71128697dbfae3e44a5620c6f0a0283c30a8fc5476fbd47
[INFO] running `Command { std: "docker" "start" "-a" "f0381e0d0497622df71128697dbfae3e44a5620c6f0a0283c30a8fc5476fbd47", kill_on_drop: false }`
[INFO] [stderr]  Documenting 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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `Command { std: "docker" "inspect" "f0381e0d0497622df71128697dbfae3e44a5620c6f0a0283c30a8fc5476fbd47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0381e0d0497622df71128697dbfae3e44a5620c6f0a0283c30a8fc5476fbd47", kill_on_drop: false }`
[INFO] [stdout] f0381e0d0497622df71128697dbfae3e44a5620c6f0a0283c30a8fc5476fbd47