[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] e0fb3d2da909c4742592ed4bd8f8b80f28f26114
[INFO] checking abdavis/negamax against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabdavis%2Fnegamax" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/abdavis/negamax on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-7/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dfb2c09de2e7cb45ee9852a5441f7434b97d5e316ad9c66aa3211f7317b7af33
[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" "dfb2c09de2e7cb45ee9852a5441f7434b97d5e316ad9c66aa3211f7317b7af33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfb2c09de2e7cb45ee9852a5441f7434b97d5e316ad9c66aa3211f7317b7af33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfb2c09de2e7cb45ee9852a5441f7434b97d5e316ad9c66aa3211f7317b7af33", kill_on_drop: false }`
[INFO] [stdout] dfb2c09de2e7cb45ee9852a5441f7434b97d5e316ad9c66aa3211f7317b7af33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5dfa3ab3c50d80e555456c1f24a837ab3d43770dff664b87e90efdab61c58633
[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" "5dfa3ab3c50d80e555456c1f24a837ab3d43770dff664b87e90efdab61c58633", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking rand_core v0.6.0
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.0
[INFO] [stderr]     Checking negamax v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new3d`
[INFO] [stdout]    --> src/main.rs:120:8
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn new3d(size: usize) -> Node<Board3d> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Board3d`
[INFO] [stdout]    --> src/main.rs:333:8
[INFO] [stdout]     |
[INFO] [stdout] 333 | struct Board3d {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/main.rs:340:8
[INFO] [stdout]     |
[INFO] [stdout] 340 |     fn new(size: usize) -> Board3d {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new3d`
[INFO] [stdout]    --> src/main.rs:120:8
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn new3d(size: usize) -> Node<Board3d> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Board3d`
[INFO] [stdout]    --> src/main.rs:333:8
[INFO] [stdout]     |
[INFO] [stdout] 333 | struct Board3d {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/main.rs:340:8
[INFO] [stdout]     |
[INFO] [stdout] 340 |     fn new(size: usize) -> Board3d {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.60s
[INFO] running `Command { std: "docker" "inspect" "5dfa3ab3c50d80e555456c1f24a837ab3d43770dff664b87e90efdab61c58633", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dfa3ab3c50d80e555456c1f24a837ab3d43770dff664b87e90efdab61c58633", kill_on_drop: false }`
[INFO] [stdout] 5dfa3ab3c50d80e555456c1f24a837ab3d43770dff664b87e90efdab61c58633