Dec 19 16:00:54.636 INFO checking hsabouri/42_ft_linear_regression against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 16:00:54.636 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/hsabouri/42_ft_linear_regression:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 16:00:54.827 INFO [stdout] 29d8f6abef856315ee92729f9ddf087b1fbd9451a3351be078656b6ab28c7caf
Dec 19 16:00:54.828 INFO running `"docker" "start" "-a" "29d8f6abef856315ee92729f9ddf087b1fbd9451a3351be078656b6ab28c7caf"`
Dec 19 16:00:55.773 INFO [stderr]    Compiling serde v1.0.58
Dec 19 16:00:55.773 INFO [stderr]     Checking gnuplot v0.0.25
Dec 19 16:00:55.774 INFO [stderr]     Checking memchr v2.0.1
Dec 19 16:00:55.789 INFO [stderr]     Checking clap v2.31.2
Dec 19 16:00:56.293 INFO [stderr]     Checking csv-core v0.1.4
Dec 19 16:01:05.292 INFO [stderr]     Checking csv v1.0.0
Dec 19 16:01:06.446 INFO [stderr]     Checking ft_linear_regression v0.1.0 (/opt/crater/workdir)
Dec 19 16:01:06.685 INFO [stderr] warning: unused import: `std::fmt`
Dec 19 16:01:06.685 INFO [stderr]  --> src/predict.rs:2:5
Dec 19 16:01:06.685 INFO [stderr]   |
Dec 19 16:01:06.685 INFO [stderr] 2 | use std::fmt;
Dec 19 16:01:06.685 INFO [stderr]   |     ^^^^^^^^
Dec 19 16:01:06.685 INFO [stderr]   |
Dec 19 16:01:06.685 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 16:01:06.685 INFO [stderr] 
Dec 19 16:01:06.720 INFO [stderr] warning: unused import: `std::fmt`
Dec 19 16:01:06.720 INFO [stderr]  --> src/predict.rs:2:5
Dec 19 16:01:06.720 INFO [stderr]   |
Dec 19 16:01:06.720 INFO [stderr] 2 | use std::fmt;
Dec 19 16:01:06.720 INFO [stderr]   |     ^^^^^^^^
Dec 19 16:01:06.720 INFO [stderr]   |
Dec 19 16:01:06.720 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 16:01:06.720 INFO [stderr] 
Dec 19 16:01:06.984 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.25s
Dec 19 16:01:07.504 INFO running `"docker" "inspect" "29d8f6abef856315ee92729f9ddf087b1fbd9451a3351be078656b6ab28c7caf"`
Dec 19 16:01:07.658 INFO running `"docker" "rm" "-f" "29d8f6abef856315ee92729f9ddf087b1fbd9451a3351be078656b6ab28c7caf"`
Dec 19 16:01:07.872 INFO [stdout] 29d8f6abef856315ee92729f9ddf087b1fbd9451a3351be078656b6ab28c7caf