[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 try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanielSchuette%2Fnnet" "/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/DanielSchuette/nnet on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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-7/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" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b6588862b63acb216b3bd3a9b628461c431921d0706e5c5720c76b1cd331a0bf
[INFO] running `Command { std: "docker" "start" "-a" "b6588862b63acb216b3bd3a9b628461c431921d0706e5c5720c76b1cd331a0bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6588862b63acb216b3bd3a9b628461c431921d0706e5c5720c76b1cd331a0bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6588862b63acb216b3bd3a9b628461c431921d0706e5c5720c76b1cd331a0bf", kill_on_drop: false }`
[INFO] [stdout] b6588862b63acb216b3bd3a9b628461c431921d0706e5c5720c76b1cd331a0bf
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1f3392c9a4ff70f3a4cecf8c15f5e9ccc6bf119d53ccc4e39fbee0e2bc6b4af
[INFO] running `Command { std: "docker" "start" "-a" "d1f3392c9a4ff70f3a4cecf8c15f5e9ccc6bf119d53ccc4e39fbee0e2bc6b4af", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[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 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 3.60s
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d1f3392c9a4ff70f3a4cecf8c15f5e9ccc6bf119d53ccc4e39fbee0e2bc6b4af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1f3392c9a4ff70f3a4cecf8c15f5e9ccc6bf119d53ccc4e39fbee0e2bc6b4af", kill_on_drop: false }`
[INFO] [stdout] d1f3392c9a4ff70f3a4cecf8c15f5e9ccc6bf119d53ccc4e39fbee0e2bc6b4af