Dec 04 06:33:52.788 INFO checking yishn/Kalk against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 06:33:52.788 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-3/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 04 06:33:53.297 INFO [stdout] 110d110bd712079f7de9ac4b31ced8b683fc746c6bea4d546ee14479cfc3688f
Dec 04 06:33:53.299 INFO running `"docker" "start" "-a" "110d110bd712079f7de9ac4b31ced8b683fc746c6bea4d546ee14479cfc3688f"`
Dec 04 06:33:54.651 INFO [stderr] usermod: no changes
Dec 04 06:33:54.751 INFO [stderr]    Compiling pest v1.0.6
Dec 04 06:33:56.392 INFO [stderr]    Compiling pest_derive v1.0.7
Dec 04 06:34:03.418 INFO [stderr]     Checking kalk v0.1.0 (/source)
Dec 04 06:34:04.592 INFO [stderr] warning: method is never used: `new_finite`
Dec 04 06:34:04.592 INFO [stderr]    --> src/types.rs:208:5
Dec 04 06:34:04.592 INFO [stderr]     |
Dec 04 06:34:04.592 INFO [stderr] 208 |     fn new_finite(start: f64, step: f64, stop: f64) -> ArithmeticProgression {
Dec 04 06:34:04.592 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 06:34:04.592 INFO [stderr]     |
Dec 04 06:34:04.592 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 04 06:34:04.592 INFO [stderr] 
Dec 04 06:34:04.592 INFO [stderr] warning: method is never used: `new_infinite`
Dec 04 06:34:04.592 INFO [stderr]    --> src/types.rs:212:5
Dec 04 06:34:04.592 INFO [stderr]     |
Dec 04 06:34:04.592 INFO [stderr] 212 |     fn new_infinite(start: f64, step: f64) -> ArithmeticProgression {
Dec 04 06:34:04.592 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 06:34:04.592 INFO [stderr] 
Dec 04 06:34:05.223 INFO [stderr] warning: method is never used: `new_finite`
Dec 04 06:34:05.223 INFO [stderr]    --> src/types.rs:208:5
Dec 04 06:34:05.223 INFO [stderr]     |
Dec 04 06:34:05.223 INFO [stderr] 208 |     fn new_finite(start: f64, step: f64, stop: f64) -> ArithmeticProgression {
Dec 04 06:34:05.223 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 06:34:05.223 INFO [stderr]     |
Dec 04 06:34:05.223 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 04 06:34:05.223 INFO [stderr] 
Dec 04 06:34:05.223 INFO [stderr] warning: method is never used: `new_infinite`
Dec 04 06:34:05.223 INFO [stderr]    --> src/types.rs:212:5
Dec 04 06:34:05.223 INFO [stderr]     |
Dec 04 06:34:05.223 INFO [stderr] 212 |     fn new_infinite(start: f64, step: f64) -> ArithmeticProgression {
Dec 04 06:34:05.223 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 06:34:05.223 INFO [stderr] 
Dec 04 06:34:05.255 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.56s
Dec 04 06:34:05.271 INFO [stderr] su: No module specific data is present
Dec 04 06:34:06.709 INFO running `"docker" "inspect" "110d110bd712079f7de9ac4b31ced8b683fc746c6bea4d546ee14479cfc3688f"`
Dec 04 06:34:07.025 INFO running `"docker" "rm" "-f" "110d110bd712079f7de9ac4b31ced8b683fc746c6bea4d546ee14479cfc3688f"`
Dec 04 06:34:07.383 INFO [stdout] 110d110bd712079f7de9ac4b31ced8b683fc746c6bea4d546ee14479cfc3688f