[INFO] fetching crate newron 0.1.1...
[INFO] checking newron-0.1.1 against try#8a5e87609850cdd8679aada01eb0f3062f254ca8 for pr-71140
[INFO] extracting crate newron 0.1.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate newron 0.1.1 on toolchain 8a5e87609850cdd8679aada01eb0f3062f254ca8
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate newron 0.1.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate newron 0.1.1
[INFO] tweaked toml for crates.io crate newron 0.1.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate newron 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6f6c5876259d9fc9c74331dcb218256d2cc7afcfb75910e16d29ab5210860ee4
[INFO] running `"docker" "start" "-a" "6f6c5876259d9fc9c74331dcb218256d2cc7afcfb75910e16d29ab5210860ee4"`
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking alga v0.9.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking nalgebra v0.20.0
[INFO] [stderr]     Checking newron v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: field is never read: `activation`
[INFO] [stderr]  --> src/layer.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     activation: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `unit`
[INFO] [stderr]  --> src/layer.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     unit: usize,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `dropout`
[INFO] [stderr]  --> src/layer.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     dropout: f32,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `activation`
[INFO] [stderr]  --> src/layer.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     activation: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `unit`
[INFO] [stderr]  --> src/layer.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     unit: usize,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `dropout`
[INFO] [stderr]  --> src/layer.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     dropout: f32,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.25s
[INFO] running `"docker" "inspect" "6f6c5876259d9fc9c74331dcb218256d2cc7afcfb75910e16d29ab5210860ee4"`
[INFO] running `"docker" "rm" "-f" "6f6c5876259d9fc9c74331dcb218256d2cc7afcfb75910e16d29ab5210860ee4"`
[INFO] [stdout] 6f6c5876259d9fc9c74331dcb218256d2cc7afcfb75910e16d29ab5210860ee4