[INFO] cloning repository https://github.com/DanielSchuette/nnet
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DanielSchuette/nnet" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanielSchuette%2Fnnet", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanielSchuette%2Fnnet'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0aabaf9a72550aeed2109e09b0cdbfb17e0604da
[INFO] checking DanielSchuette/nnet against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanielSchuette%2Fnnet" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DanielSchuette/nnet on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DanielSchuette/nnet
[INFO] finished tweaking git repo https://github.com/DanielSchuette/nnet
[INFO] tweaked toml for git repo https://github.com/DanielSchuette/nnet written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/DanielSchuette/nnet already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f5a5e2df06bfc38479bec4775964a66e04e13eeeb062fb466315d670a0205578
[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" "f5a5e2df06bfc38479bec4775964a66e04e13eeeb062fb466315d670a0205578", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5a5e2df06bfc38479bec4775964a66e04e13eeeb062fb466315d670a0205578", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5a5e2df06bfc38479bec4775964a66e04e13eeeb062fb466315d670a0205578", kill_on_drop: false }`
[INFO] [stdout] f5a5e2df06bfc38479bec4775964a66e04e13eeeb062fb466315d670a0205578
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73372fd7f2df73a79c133208704bf2d7cc52350cc2a88e19f35892d2cc1cda18
[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" "73372fd7f2df73a79c133208704bf2d7cc52350cc2a88e19f35892d2cc1cda18", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling libc v0.2.55
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking nnet v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `in_nodes`
[INFO] [stdout]  --> src/nnet/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     in_nodes: usize,        /* no. of input nodes */
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `out_nodes`
[INFO] [stdout]  --> src/nnet/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     out_nodes: usize,       /* no. of output nodes */
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `hid_nodes`
[INFO] [stdout]   --> src/nnet/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     hid_nodes: usize,       /* no. of hidden nodes */
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `lrate`
[INFO] [stdout]   --> src/nnet/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     lrate: f64,             /* learning rate */
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `in_nodes`
[INFO] [stdout]  --> src/nnet/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     in_nodes: usize,        /* no. of input nodes */
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `out_nodes`
[INFO] [stdout]  --> src/nnet/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     out_nodes: usize,       /* no. of output nodes */
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `hid_nodes`
[INFO] [stdout]   --> src/nnet/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     hid_nodes: usize,       /* no. of hidden nodes */
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `lrate`
[INFO] [stdout]   --> src/nnet/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     lrate: f64,             /* learning rate */
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.29s
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "73372fd7f2df73a79c133208704bf2d7cc52350cc2a88e19f35892d2cc1cda18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73372fd7f2df73a79c133208704bf2d7cc52350cc2a88e19f35892d2cc1cda18", kill_on_drop: false }`
[INFO] [stdout] 73372fd7f2df73a79c133208704bf2d7cc52350cc2a88e19f35892d2cc1cda18