Dec 11 17:21:10.060 INFO checking hsabouri/42_ft_linear_regression against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 17:21:10.060 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-alt check --frozen --all --all-targets" "-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 11 17:21:10.213 INFO [stdout] b560b7fb1bdc25b85dbf4db6b2333b2c5f2932ce94cdc170ff563c18ccaa1bc1
Dec 11 17:21:10.215 INFO running `"docker" "start" "-a" "b560b7fb1bdc25b85dbf4db6b2333b2c5f2932ce94cdc170ff563c18ccaa1bc1"`
Dec 11 17:21:10.771 INFO [stderr] usermod: no changes
Dec 11 17:21:10.832 INFO [stderr]    Compiling serde v1.0.58
Dec 11 17:21:10.832 INFO [stderr]     Checking gnuplot v0.0.25
Dec 11 17:21:10.832 INFO [stderr]     Checking memchr v2.0.1
Dec 11 17:21:10.832 INFO [stderr]     Checking clap v2.31.2
Dec 11 17:21:11.656 INFO [stderr]     Checking csv-core v0.1.4
Dec 11 17:21:21.440 INFO [stderr]     Checking csv v1.0.0
Dec 11 17:21:22.876 INFO [stderr]     Checking ft_linear_regression v0.1.0 (/source)
Dec 11 17:21:23.796 INFO [stderr] warning: unused import: `std::fmt`
Dec 11 17:21:23.796 INFO [stderr]  --> src/predict.rs:2:5
Dec 11 17:21:23.796 INFO [stderr]   |
Dec 11 17:21:23.796 INFO [stderr] 2 | use std::fmt;
Dec 11 17:21:23.796 INFO [stderr]   |     ^^^^^^^^
Dec 11 17:21:23.796 INFO [stderr]   |
Dec 11 17:21:23.796 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 17:21:23.796 INFO [stderr] 
Dec 11 17:21:23.960 INFO [stderr] warning: unused import: `std::fmt`
Dec 11 17:21:23.960 INFO [stderr]  --> src/predict.rs:2:5
Dec 11 17:21:23.960 INFO [stderr]   |
Dec 11 17:21:23.960 INFO [stderr] 2 | use std::fmt;
Dec 11 17:21:23.960 INFO [stderr]   |     ^^^^^^^^
Dec 11 17:21:23.960 INFO [stderr]   |
Dec 11 17:21:23.960 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 17:21:23.960 INFO [stderr] 
Dec 11 17:21:24.182 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.39s
Dec 11 17:21:24.192 INFO [stderr] su: No module specific data is present
Dec 11 17:21:25.083 INFO running `"docker" "inspect" "b560b7fb1bdc25b85dbf4db6b2333b2c5f2932ce94cdc170ff563c18ccaa1bc1"`
Dec 11 17:21:25.230 INFO running `"docker" "rm" "-f" "b560b7fb1bdc25b85dbf4db6b2333b2c5f2932ce94cdc170ff563c18ccaa1bc1"`
Dec 11 17:21:25.338 INFO [stdout] b560b7fb1bdc25b85dbf4db6b2333b2c5f2932ce94cdc170ff563c18ccaa1bc1