Dec 07 06:18:16.350 INFO testing neuroflow-0.1.3 against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 07 06:18:16.350 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +906deae0790bd18681b937fe9a141a3c26cf1855-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 07 06:18:16.856 INFO [stdout] 89d792ba8daf3714ba44f6edcffed5a2d26e5dcd0cb6f0f2c9e40ecf64980c5d
Dec 07 06:18:16.857 INFO running `"docker" "start" "-a" "89d792ba8daf3714ba44f6edcffed5a2d26e5dcd0cb6f0f2c9e40ecf64980c5d"`
Dec 07 06:18:17.380 INFO [stderr] usermod: no changes
Dec 07 06:18:17.458 INFO [stderr]    Compiling neuroflow v0.1.3 (/source)
Dec 07 06:18:18.463 INFO [stderr] warning: unused variable: `nn`
Dec 07 06:18:18.463 INFO [stderr]   --> src/estimators/mod.rs:26:12
Dec 07 06:18:18.463 INFO [stderr]    |
Dec 07 06:18:18.463 INFO [stderr] 26 | pub fn OBS(nn: &super::FeedForward) {
Dec 07 06:18:18.463 INFO [stderr]    |            ^^ help: consider using `_nn` instead
Dec 07 06:18:18.463 INFO [stderr]    |
Dec 07 06:18:18.463 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 07 06:18:18.463 INFO [stderr] 
Dec 07 06:18:18.463 INFO [stderr] warning: unused variable: `obj`
Dec 07 06:18:18.463 INFO [stderr]   --> src/io/mod.rs:85:37
Dec 07 06:18:18.463 INFO [stderr]    |
Dec 07 06:18:18.463 INFO [stderr] 85 | pub fn to_json<T: serde::Serialize>(obj: T) {
Dec 07 06:18:18.463 INFO [stderr]    |                                     ^^^ help: consider using `_obj` instead
Dec 07 06:18:18.463 INFO [stderr] 
Dec 07 06:18:18.463 INFO [stderr] warning: unused variable: `s`
Dec 07 06:18:18.463 INFO [stderr]   --> src/io/mod.rs:90:18
Dec 07 06:18:18.463 INFO [stderr]    |
Dec 07 06:18:18.463 INFO [stderr] 90 | pub fn from_json(s: &str){
Dec 07 06:18:18.463 INFO [stderr]    |                  ^ help: consider using `_s` instead
Dec 07 06:18:18.463 INFO [stderr] 
Dec 07 06:18:18.886 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.49s
Dec 07 06:18:18.888 INFO [stderr] su: No module specific data is present
Dec 07 06:18:19.153 INFO running `"docker" "inspect" "89d792ba8daf3714ba44f6edcffed5a2d26e5dcd0cb6f0f2c9e40ecf64980c5d"`
Dec 07 06:18:19.275 INFO running `"docker" "rm" "-f" "89d792ba8daf3714ba44f6edcffed5a2d26e5dcd0cb6f0f2c9e40ecf64980c5d"`
Dec 07 06:18:19.336 INFO [stdout] 89d792ba8daf3714ba44f6edcffed5a2d26e5dcd0cb6f0f2c9e40ecf64980c5d
Dec 07 06:18:19.338 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +906deae0790bd18681b937fe9a141a3c26cf1855-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 07 06:18:19.618 INFO [stdout] d29c8a0282c4ef3bbbf748dcffb80fc7a7be8e830d67fc8bbe061dead9cc5edc
Dec 07 06:18:19.622 INFO running `"docker" "start" "-a" "d29c8a0282c4ef3bbbf748dcffb80fc7a7be8e830d67fc8bbe061dead9cc5edc"`
Dec 07 06:18:20.126 INFO [stderr] usermod: no changes
Dec 07 06:18:20.196 INFO [stderr]    Compiling neuroflow v0.1.3 (/source)
Dec 07 06:18:21.228 INFO [stderr] warning: unused variable: `nn`
Dec 07 06:18:21.228 INFO [stderr]   --> src/estimators/mod.rs:26:12
Dec 07 06:18:21.228 INFO [stderr]    |
Dec 07 06:18:21.228 INFO [stderr] 26 | pub fn OBS(nn: &super::FeedForward) {
Dec 07 06:18:21.228 INFO [stderr]    |            ^^ help: consider using `_nn` instead
Dec 07 06:18:21.228 INFO [stderr]    |
Dec 07 06:18:21.228 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 07 06:18:21.228 INFO [stderr] 
Dec 07 06:18:21.228 INFO [stderr] warning: unused variable: `obj`
Dec 07 06:18:21.228 INFO [stderr]   --> src/io/mod.rs:85:37
Dec 07 06:18:21.228 INFO [stderr]    |
Dec 07 06:18:21.228 INFO [stderr] 85 | pub fn to_json<T: serde::Serialize>(obj: T) {
Dec 07 06:18:21.228 INFO [stderr]    |                                     ^^^ help: consider using `_obj` instead
Dec 07 06:18:21.228 INFO [stderr] 
Dec 07 06:18:21.228 INFO [stderr] warning: unused variable: `s`
Dec 07 06:18:21.228 INFO [stderr]   --> src/io/mod.rs:90:18
Dec 07 06:18:21.228 INFO [stderr]    |
Dec 07 06:18:21.228 INFO [stderr] 90 | pub fn from_json(s: &str){
Dec 07 06:18:21.228 INFO [stderr]    |                  ^ help: consider using `_s` instead
Dec 07 06:18:21.228 INFO [stderr] 
Dec 07 06:18:21.524 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.38s
Dec 07 06:18:21.529 INFO [stderr] su: No module specific data is present
Dec 07 06:18:21.873 INFO running `"docker" "inspect" "d29c8a0282c4ef3bbbf748dcffb80fc7a7be8e830d67fc8bbe061dead9cc5edc"`
Dec 07 06:18:21.949 INFO running `"docker" "rm" "-f" "d29c8a0282c4ef3bbbf748dcffb80fc7a7be8e830d67fc8bbe061dead9cc5edc"`
Dec 07 06:18:22.068 INFO [stdout] d29c8a0282c4ef3bbbf748dcffb80fc7a7be8e830d67fc8bbe061dead9cc5edc