[INFO] fetching crate nnet 0.0.2...
[INFO] checking nnet-0.0.2 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate nnet 0.0.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate nnet 0.0.2 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nnet 0.0.2
[INFO] finished tweaking crates.io crate nnet 0.0.2
[INFO] tweaked toml for crates.io crate nnet 0.0.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9d4cd3feb57e4b6ec00f6a5751ae093af65b96c1a5883390376fdf0fa1ae28e
[INFO] running `Command { std: "docker" "start" "-a" "f9d4cd3feb57e4b6ec00f6a5751ae093af65b96c1a5883390376fdf0fa1ae28e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9d4cd3feb57e4b6ec00f6a5751ae093af65b96c1a5883390376fdf0fa1ae28e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9d4cd3feb57e4b6ec00f6a5751ae093af65b96c1a5883390376fdf0fa1ae28e", kill_on_drop: false }`
[INFO] [stdout] f9d4cd3feb57e4b6ec00f6a5751ae093af65b96c1a5883390376fdf0fa1ae28e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb0108ce2f82736f3357649fa2f3a0d5c65e3ad2c2226f068e57363762422265
[INFO] running `Command { std: "docker" "start" "-a" "bb0108ce2f82736f3357649fa2f3a0d5c65e3ad2c2226f068e57363762422265", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking 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] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.80s
[INFO] running `Command { std: "docker" "inspect" "bb0108ce2f82736f3357649fa2f3a0d5c65e3ad2c2226f068e57363762422265", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb0108ce2f82736f3357649fa2f3a0d5c65e3ad2c2226f068e57363762422265", kill_on_drop: false }`
[INFO] [stdout] bb0108ce2f82736f3357649fa2f3a0d5c65e3ad2c2226f068e57363762422265