Dec 15 03:42:50.876 INFO testing neuroflow-0.1.3 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 15 03:42:50.876 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 15 03:42:51.065 INFO [stdout] 67f44e4eaa11d88e4bbfe10e9c851c8ee2fd62712bf1ade2dda10d70b29baf3c
Dec 15 03:42:51.067 INFO running `"docker" "start" "-a" "67f44e4eaa11d88e4bbfe10e9c851c8ee2fd62712bf1ade2dda10d70b29baf3c"`
Dec 15 03:42:51.484 INFO [stderr] usermod: no changes
Dec 15 03:42:51.578 INFO [stderr]    Compiling neuroflow v0.1.3 (/source)
Dec 15 03:42:52.920 INFO [stderr] warning: unused variable: `nn`
Dec 15 03:42:52.920 INFO [stderr]   --> src/estimators/mod.rs:26:12
Dec 15 03:42:52.920 INFO [stderr]    |
Dec 15 03:42:52.920 INFO [stderr] 26 | pub fn OBS(nn: &super::FeedForward) {
Dec 15 03:42:52.920 INFO [stderr]    |            ^^ help: consider using `_nn` instead
Dec 15 03:42:52.920 INFO [stderr]    |
Dec 15 03:42:52.920 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 15 03:42:52.920 INFO [stderr] 
Dec 15 03:42:52.920 INFO [stderr] warning: unused variable: `obj`
Dec 15 03:42:52.920 INFO [stderr]   --> src/io/mod.rs:85:37
Dec 15 03:42:52.920 INFO [stderr]    |
Dec 15 03:42:52.920 INFO [stderr] 85 | pub fn to_json<T: serde::Serialize>(obj: T) {
Dec 15 03:42:52.920 INFO [stderr]    |                                     ^^^ help: consider using `_obj` instead
Dec 15 03:42:52.920 INFO [stderr] 
Dec 15 03:42:52.920 INFO [stderr] warning: unused variable: `s`
Dec 15 03:42:52.920 INFO [stderr]   --> src/io/mod.rs:90:18
Dec 15 03:42:52.920 INFO [stderr]    |
Dec 15 03:42:52.920 INFO [stderr] 90 | pub fn from_json(s: &str){
Dec 15 03:42:52.920 INFO [stderr]    |                  ^ help: consider using `_s` instead
Dec 15 03:42:52.920 INFO [stderr] 
Dec 15 03:42:53.693 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.19s
Dec 15 03:42:53.698 INFO [stderr] su: No module specific data is present
Dec 15 03:42:53.951 INFO running `"docker" "inspect" "67f44e4eaa11d88e4bbfe10e9c851c8ee2fd62712bf1ade2dda10d70b29baf3c"`
Dec 15 03:42:54.062 INFO running `"docker" "rm" "-f" "67f44e4eaa11d88e4bbfe10e9c851c8ee2fd62712bf1ade2dda10d70b29baf3c"`
Dec 15 03:42:54.166 INFO [stdout] 67f44e4eaa11d88e4bbfe10e9c851c8ee2fd62712bf1ade2dda10d70b29baf3c
Dec 15 03:42:54.172 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 15 03:42:54.462 INFO [stdout] bf880d6a59d8d9240c2afa2ce271acb8b4d469459eb88f898353167645f97463
Dec 15 03:42:54.464 INFO running `"docker" "start" "-a" "bf880d6a59d8d9240c2afa2ce271acb8b4d469459eb88f898353167645f97463"`
Dec 15 03:42:54.875 INFO [stderr] usermod: no changes
Dec 15 03:42:54.943 INFO [stderr]    Compiling neuroflow v0.1.3 (/source)
Dec 15 03:42:56.086 INFO [stderr] warning: unused variable: `nn`
Dec 15 03:42:56.086 INFO [stderr]   --> src/estimators/mod.rs:26:12
Dec 15 03:42:56.086 INFO [stderr]    |
Dec 15 03:42:56.086 INFO [stderr] 26 | pub fn OBS(nn: &super::FeedForward) {
Dec 15 03:42:56.086 INFO [stderr]    |            ^^ help: consider using `_nn` instead
Dec 15 03:42:56.086 INFO [stderr]    |
Dec 15 03:42:56.086 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 15 03:42:56.086 INFO [stderr] 
Dec 15 03:42:56.086 INFO [stderr] warning: unused variable: `obj`
Dec 15 03:42:56.086 INFO [stderr]   --> src/io/mod.rs:85:37
Dec 15 03:42:56.086 INFO [stderr]    |
Dec 15 03:42:56.086 INFO [stderr] 85 | pub fn to_json<T: serde::Serialize>(obj: T) {
Dec 15 03:42:56.086 INFO [stderr]    |                                     ^^^ help: consider using `_obj` instead
Dec 15 03:42:56.086 INFO [stderr] 
Dec 15 03:42:56.086 INFO [stderr] warning: unused variable: `s`
Dec 15 03:42:56.086 INFO [stderr]   --> src/io/mod.rs:90:18
Dec 15 03:42:56.086 INFO [stderr]    |
Dec 15 03:42:56.086 INFO [stderr] 90 | pub fn from_json(s: &str){
Dec 15 03:42:56.086 INFO [stderr]    |                  ^ help: consider using `_s` instead
Dec 15 03:42:56.086 INFO [stderr] 
Dec 15 03:42:56.392 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.47s
Dec 15 03:42:56.393 INFO [stderr] su: No module specific data is present
Dec 15 03:42:56.832 INFO running `"docker" "inspect" "bf880d6a59d8d9240c2afa2ce271acb8b4d469459eb88f898353167645f97463"`
Dec 15 03:42:56.921 INFO running `"docker" "rm" "-f" "bf880d6a59d8d9240c2afa2ce271acb8b4d469459eb88f898353167645f97463"`
Dec 15 03:42:57.051 INFO [stdout] bf880d6a59d8d9240c2afa2ce271acb8b4d469459eb88f898353167645f97463