[INFO] cloning repository https://github.com/abdavis/negamax
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/abdavis/negamax" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabdavis%2Fnegamax", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabdavis%2Fnegamax'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5c099dc8e54e135ecdd30bc004cf4f980ed8da77
[INFO] checking abdavis/negamax against try#82acd1d76add2232e19c1f0feb250d2a19ec6efe for pr-81213
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabdavis%2Fnegamax" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/abdavis/negamax on toolchain 82acd1d76add2232e19c1f0feb250d2a19ec6efe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/abdavis/negamax
[INFO] finished tweaking git repo https://github.com/abdavis/negamax
[INFO] tweaked toml for git repo https://github.com/abdavis/negamax written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/abdavis/negamax already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1da864e8e23e82a039af5e276c1bdeedf3a1bf4072ad12292d4635e66d263602
[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" "1da864e8e23e82a039af5e276c1bdeedf3a1bf4072ad12292d4635e66d263602", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1da864e8e23e82a039af5e276c1bdeedf3a1bf4072ad12292d4635e66d263602", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1da864e8e23e82a039af5e276c1bdeedf3a1bf4072ad12292d4635e66d263602", kill_on_drop: false }`
[INFO] [stdout] 1da864e8e23e82a039af5e276c1bdeedf3a1bf4072ad12292d4635e66d263602
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "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] fd4beecc1ac7126dac92a6c7f91a74c011283b18d4c25220d6055e0c20c13658
[INFO] running `Command { std: "docker" "start" "-a" "fd4beecc1ac7126dac92a6c7f91a74c011283b18d4c25220d6055e0c20c13658", kill_on_drop: false }`
[INFO] [stderr]     Checking negamax v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant is never used: `MAP_CUTOFF`
[INFO] [stdout]  --> src/main.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | const MAP_CUTOFF:usize = 4;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new3d`
[INFO] [stdout]    --> src/main.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 102 |     fn new3d(size: usize) -> Node<Board3d, [[[Space; 4]; 4]; 4]> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Board3d`
[INFO] [stdout]    --> src/main.rs:277:8
[INFO] [stdout]     |
[INFO] [stdout] 277 | struct Board3d {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/main.rs:284:8
[INFO] [stdout]     |
[INFO] [stdout] 284 |     fn new(size: usize) -> Board3d {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MAP_CUTOFF`
[INFO] [stdout]  --> src/main.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | const MAP_CUTOFF:usize = 4;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new3d`
[INFO] [stdout]    --> src/main.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 102 |     fn new3d(size: usize) -> Node<Board3d, [[[Space; 4]; 4]; 4]> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Board3d`
[INFO] [stdout]    --> src/main.rs:277:8
[INFO] [stdout]     |
[INFO] [stdout] 277 | struct Board3d {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/main.rs:284:8
[INFO] [stdout]     |
[INFO] [stdout] 284 |     fn new(size: usize) -> Board3d {
[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 0.40s
[INFO] running `Command { std: "docker" "inspect" "fd4beecc1ac7126dac92a6c7f91a74c011283b18d4c25220d6055e0c20c13658", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd4beecc1ac7126dac92a6c7f91a74c011283b18d4c25220d6055e0c20c13658", kill_on_drop: false }`
[INFO] [stdout] fd4beecc1ac7126dac92a6c7f91a74c011283b18d4c25220d6055e0c20c13658