[INFO] fetching crate nnet 0.0.2...
[INFO] checking nnet-0.0.2 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate nnet 0.0.2 into /workspace/builds/worker-3-tc1/source
[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-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate nnet 0.0.2 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 20 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.6.5 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 03931ca62227562c2853a4fc750ad81eb3ba34876bebe0855795b482e268dcd5
[INFO] running `Command { std: "docker" "start" "-a" "03931ca62227562c2853a4fc750ad81eb3ba34876bebe0855795b482e268dcd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03931ca62227562c2853a4fc750ad81eb3ba34876bebe0855795b482e268dcd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03931ca62227562c2853a4fc750ad81eb3ba34876bebe0855795b482e268dcd5", kill_on_drop: false }`
[INFO] [stdout] 03931ca62227562c2853a4fc750ad81eb3ba34876bebe0855795b482e268dcd5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5080eab521a2e2a8e54b2574a354fcaee0e5973361e106f1f99e154133977d2e
[INFO] running `Command { std: "docker" "start" "-a" "5080eab521a2e2a8e54b2574a354fcaee0e5973361e106f1f99e154133977d2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[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: fields `in_nodes`, `out_nodes`, `hid_nodes`, and `lrate` are never read
[INFO] [stdout]   --> src/nnet/mod.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub struct NeuralNet {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout]  8 |     in_nodes: usize,        /* no. of input nodes */
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]  9 |     out_nodes: usize,       /* no. of output nodes */
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 10 |     hid_nodes: usize,       /* no. of hidden nodes */
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 11 |     lrate: f64,             /* learning rate */
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NeuralNet` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `in_nodes`, `out_nodes`, `hid_nodes`, and `lrate` are never read
[INFO] [stdout]   --> src/nnet/mod.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub struct NeuralNet {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout]  8 |     in_nodes: usize,        /* no. of input nodes */
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]  9 |     out_nodes: usize,       /* no. of output nodes */
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 10 |     hid_nodes: usize,       /* no. of hidden nodes */
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 11 |     lrate: f64,             /* learning rate */
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NeuralNet` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.58s
[INFO] running `Command { std: "docker" "inspect" "5080eab521a2e2a8e54b2574a354fcaee0e5973361e106f1f99e154133977d2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5080eab521a2e2a8e54b2574a354fcaee0e5973361e106f1f99e154133977d2e", kill_on_drop: false }`
[INFO] [stdout] 5080eab521a2e2a8e54b2574a354fcaee0e5973361e106f1f99e154133977d2e