Dec 19 05:01:42.286 INFO checking yishn/Kalk against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 05:01:42.286 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/yishn/Kalk:/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 05:01:42.889 INFO [stdout] 37e80c3fb2f1978c7e658fa100da713cdc425085c12b3bcb882c04ef1310944a
Dec 19 05:01:42.891 INFO running `"docker" "start" "-a" "37e80c3fb2f1978c7e658fa100da713cdc425085c12b3bcb882c04ef1310944a"`
Dec 19 05:01:44.805 INFO [stderr]    Compiling pest v1.0.6
Dec 19 05:01:46.024 INFO [stderr]    Compiling pest_derive v1.0.7
Dec 19 05:01:52.987 INFO [stderr]     Checking kalk v0.1.0 (/opt/crater/workdir)
Dec 19 05:01:54.575 INFO [stderr] warning: method is never used: `new_finite`
Dec 19 05:01:54.575 INFO [stderr]    --> src/types.rs:208:5
Dec 19 05:01:54.575 INFO [stderr]     |
Dec 19 05:01:54.575 INFO [stderr] 208 |     fn new_finite(start: f64, step: f64, stop: f64) -> ArithmeticProgression {
Dec 19 05:01:54.575 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:01:54.576 INFO [stderr]     |
Dec 19 05:01:54.576 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 19 05:01:54.576 INFO [stderr] 
Dec 19 05:01:54.576 INFO [stderr] warning: method is never used: `new_infinite`
Dec 19 05:01:54.576 INFO [stderr]    --> src/types.rs:212:5
Dec 19 05:01:54.576 INFO [stderr]     |
Dec 19 05:01:54.577 INFO [stderr] 212 |     fn new_infinite(start: f64, step: f64) -> ArithmeticProgression {
Dec 19 05:01:54.577 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:01:54.577 INFO [stderr] 
Dec 19 05:01:54.615 INFO [stderr] warning: method is never used: `new_finite`
Dec 19 05:01:54.616 INFO [stderr]    --> src/types.rs:208:5
Dec 19 05:01:54.616 INFO [stderr]     |
Dec 19 05:01:54.616 INFO [stderr] 208 |     fn new_finite(start: f64, step: f64, stop: f64) -> ArithmeticProgression {
Dec 19 05:01:54.616 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:01:54.617 INFO [stderr]     |
Dec 19 05:01:54.617 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 19 05:01:54.617 INFO [stderr] 
Dec 19 05:01:54.618 INFO [stderr] warning: method is never used: `new_infinite`
Dec 19 05:01:54.618 INFO [stderr]    --> src/types.rs:212:5
Dec 19 05:01:54.618 INFO [stderr]     |
Dec 19 05:01:54.618 INFO [stderr] 212 |     fn new_infinite(start: f64, step: f64) -> ArithmeticProgression {
Dec 19 05:01:54.618 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:01:54.618 INFO [stderr] 
Dec 19 05:01:54.705 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.95s
Dec 19 05:01:55.813 INFO running `"docker" "inspect" "37e80c3fb2f1978c7e658fa100da713cdc425085c12b3bcb882c04ef1310944a"`
Dec 19 05:01:56.116 INFO running `"docker" "rm" "-f" "37e80c3fb2f1978c7e658fa100da713cdc425085c12b3bcb882c04ef1310944a"`
Dec 19 05:01:56.432 INFO [stdout] 37e80c3fb2f1978c7e658fa100da713cdc425085c12b3bcb882c04ef1310944a