Dec 19 08:12:43.043 INFO checking statechart/thot against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 08:12:43.043 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-6/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/statechart/thot:/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 08:12:43.615 INFO [stdout] 53ff449398b652858fed0a782f0daeeafd2db98c1705a4a908127320e9f792a5
Dec 19 08:12:43.624 INFO running `"docker" "start" "-a" "53ff449398b652858fed0a782f0daeeafd2db98c1705a4a908127320e9f792a5"`
Dec 19 08:12:45.227 INFO [stderr]    Compiling serde_derive_internals v0.23.0
Dec 19 08:12:48.939 INFO [stderr]    Compiling serde_derive v1.0.37
Dec 19 08:12:56.061 INFO [stderr]     Checking thot_core v0.1.0 (/opt/crater/workdir/packages/thot_core)
Dec 19 08:13:00.348 INFO [stderr] warning: unused variable: `guard`
Dec 19 08:13:00.348 INFO [stderr]    --> packages/thot_core/src/ast/core/to_microstep.rs:199:44
Dec 19 08:13:00.348 INFO [stderr]     |
Dec 19 08:13:00.348 INFO [stderr] 199 | fn gen_invocations(states: &[core::State], guard: &Option<Expression>) -> Vec<Statement> {
Dec 19 08:13:00.348 INFO [stderr]     |                                            ^^^^^ help: consider using `_guard` instead
Dec 19 08:13:00.348 INFO [stderr]     |
Dec 19 08:13:00.348 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 08:13:00.348 INFO [stderr] 
Dec 19 08:13:00.748 INFO [stderr] warning: variable does not need to be mutable
Dec 19 08:13:00.748 INFO [stderr]    --> packages/thot_core/src/ast/core/to_microstep.rs:200:9
Dec 19 08:13:00.748 INFO [stderr]     |
Dec 19 08:13:00.748 INFO [stderr] 200 |     let mut statements = vec![];
Dec 19 08:13:00.748 INFO [stderr]     |         ----^^^^^^^^^^
Dec 19 08:13:00.748 INFO [stderr]     |         |
Dec 19 08:13:00.748 INFO [stderr]     |         help: remove this `mut`
Dec 19 08:13:00.748 INFO [stderr]     |
Dec 19 08:13:00.748 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 19 08:13:00.748 INFO [stderr] 
Dec 19 08:13:01.319 INFO [stderr]     Checking thot v0.1.0 (/opt/crater/workdir)
Dec 19 08:13:01.554 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.41s
Dec 19 08:13:03.134 INFO running `"docker" "inspect" "53ff449398b652858fed0a782f0daeeafd2db98c1705a4a908127320e9f792a5"`
Dec 19 08:13:03.418 INFO running `"docker" "rm" "-f" "53ff449398b652858fed0a782f0daeeafd2db98c1705a4a908127320e9f792a5"`
Dec 19 08:13:03.703 INFO [stdout] 53ff449398b652858fed0a782f0daeeafd2db98c1705a4a908127320e9f792a5