[INFO] fetching crate vexus 4.0.0...
[INFO] checking vexus-4.0.0 against master#c0bb140a37c81cf59a0b40c21c9413059644e294 for pr-129249-1
[INFO] extracting crate vexus 4.0.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate vexus 4.0.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate vexus 4.0.0
[INFO] tweaked toml for crates.io crate vexus 4.0.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate vexus 4.0.0 on toolchain c0bb140a37c81cf59a0b40c21c9413059644e294
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c0bb140a37c81cf59a0b40c21c9413059644e294" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate vexus 4.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c0bb140a37c81cf59a0b40c21c9413059644e294" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] bfba13bef4e5c2a4224fe2130519d552047bcabd96322bef35fc50e15f50d59e
[INFO] running `Command { std: "docker" "start" "bfba13bef4e5c2a4224fe2130519d552047bcabd96322bef35fc50e15f50d59e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "bfba13bef4e5c2a4224fe2130519d552047bcabd96322bef35fc50e15f50d59e" "/opt/rustwide/cargo-home/bin/cargo" "+c0bb140a37c81cf59a0b40c21c9413059644e294" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfba13bef4e5c2a4224fe2130519d552047bcabd96322bef35fc50e15f50d59e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "bfba13bef4e5c2a4224fe2130519d552047bcabd96322bef35fc50e15f50d59e" "/opt/rustwide/cargo-home/bin/cargo" "+c0bb140a37c81cf59a0b40c21c9413059644e294" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking simba v0.9.0
[INFO] [stderr]     Checking rand_distr v0.5.1
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking nalgebra v0.33.2
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]     Checking statrs v0.18.0
[INFO] [stderr]     Checking vexus v4.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Activation`
[INFO] [stdout]  --> examples/rps.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 | use vexus::{Activation, NeuralNetwork, Sigmoid};
[INFO] [stdout]   |             ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `outputs`
[INFO] [stdout]    --> examples/rps.rs:132:21
[INFO] [stdout]     |
[INFO] [stdout] 132 |                 let outputs = self.nn.forward(&inputs);
[INFO] [stdout]     |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_outputs`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `model_file` is never read
[INFO] [stdout]   --> examples/rps.rs:85:5
[INFO] [stdout]    |
[INFO] [stdout] 81 | struct MovePredictor {
[INFO] [stdout]    |        ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 85 |     model_file: String,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MODEL_X_FILE` is never used
[INFO] [stdout]   --> examples/tic_tac_toe.rs:18:7
[INFO] [stdout]    |
[INFO] [stdout] 18 | const MODEL_X_FILE: &str = "tictactoe_x_model.json";
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MODEL_O_FILE` is never used
[INFO] [stdout]   --> examples/tic_tac_toe.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 | const MODEL_O_FILE: &str = "tictactoe_o_model.json";
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.13s
[INFO] running `Command { std: "docker" "inspect" "bfba13bef4e5c2a4224fe2130519d552047bcabd96322bef35fc50e15f50d59e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfba13bef4e5c2a4224fe2130519d552047bcabd96322bef35fc50e15f50d59e", kill_on_drop: false }`
[INFO] [stdout] bfba13bef4e5c2a4224fe2130519d552047bcabd96322bef35fc50e15f50d59e
