[INFO] cloning repository https://github.com/TheHiddenLayer/Perceptron
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TheHiddenLayer/Perceptron" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheHiddenLayer%2FPerceptron", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheHiddenLayer%2FPerceptron'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 755ec8f391f7f35a419ae06c8be6fd9703205ccb
[INFO] checking TheHiddenLayer/Perceptron against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheHiddenLayer%2FPerceptron" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TheHiddenLayer/Perceptron on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TheHiddenLayer/Perceptron
[INFO] finished tweaking git repo https://github.com/TheHiddenLayer/Perceptron
[INFO] tweaked toml for git repo https://github.com/TheHiddenLayer/Perceptron written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/TheHiddenLayer/Perceptron already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dbe0ee239f9bc0483a1dbf2da157eaffdeca387942470c13e1a800d9f54aa5bb
[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" "dbe0ee239f9bc0483a1dbf2da157eaffdeca387942470c13e1a800d9f54aa5bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbe0ee239f9bc0483a1dbf2da157eaffdeca387942470c13e1a800d9f54aa5bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbe0ee239f9bc0483a1dbf2da157eaffdeca387942470c13e1a800d9f54aa5bb", kill_on_drop: false }`
[INFO] [stdout] dbe0ee239f9bc0483a1dbf2da157eaffdeca387942470c13e1a800d9f54aa5bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4271e5fd0bf1342a979f7cfac6e29ba2bf3388690f5075da6ef92a833235707b
[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" "4271e5fd0bf1342a979f7cfac6e29ba2bf3388690f5075da6ef92a833235707b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.63
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking serde v1.0.124
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking perceptron v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `points`
[INFO] [stdout]   --> src/perceptron.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let mut points: Vec<[i32; 3]>;
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_points`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `points`
[INFO] [stdout]   --> src/perceptron.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let mut points: Vec<[i32; 3]>;
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_points`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Input`
[INFO] [stdout]   --> src/perceptron.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Input {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Input`
[INFO] [stdout]   --> src/perceptron.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Input {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.35s
[INFO] running `Command { std: "docker" "inspect" "4271e5fd0bf1342a979f7cfac6e29ba2bf3388690f5075da6ef92a833235707b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4271e5fd0bf1342a979f7cfac6e29ba2bf3388690f5075da6ef92a833235707b", kill_on_drop: false }`
[INFO] [stdout] 4271e5fd0bf1342a979f7cfac6e29ba2bf3388690f5075da6ef92a833235707b