Dec 12 01:16:26.886 INFO checking NatTuck/meatball against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 01:16:26.886 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 12 01:16:27.420 INFO [stdout] c3065f4dc3c429c266e6c1bacd0f7b8fde985d6f730c4f2bb7bbcbf7b709a68f
Dec 12 01:16:27.422 INFO running `"docker" "start" "-a" "c3065f4dc3c429c266e6c1bacd0f7b8fde985d6f730c4f2bb7bbcbf7b709a68f"`
Dec 12 01:16:29.180 INFO [stderr] usermod: no changes
Dec 12 01:16:29.388 INFO [stderr]     Checking meatball v0.1.0 (/source)
Dec 12 01:16:31.772 INFO [stderr] warning: unused import: `builtins::Builtin`
Dec 12 01:16:31.772 INFO [stderr]  --> src/program.rs:5:5
Dec 12 01:16:31.772 INFO [stderr]   |
Dec 12 01:16:31.772 INFO [stderr] 5 | use builtins::Builtin;
Dec 12 01:16:31.772 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 12 01:16:31.772 INFO [stderr]   |
Dec 12 01:16:31.772 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 01:16:31.772 INFO [stderr] 
Dec 12 01:16:31.812 INFO [stderr] warning: unused import: `builtins::Builtin`
Dec 12 01:16:31.812 INFO [stderr]  --> src/program.rs:5:5
Dec 12 01:16:31.812 INFO [stderr]   |
Dec 12 01:16:31.812 INFO [stderr] 5 | use builtins::Builtin;
Dec 12 01:16:31.812 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 12 01:16:31.812 INFO [stderr]   |
Dec 12 01:16:31.812 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 01:16:31.812 INFO [stderr] 
Dec 12 01:16:32.286 INFO [stderr] warning: function is never used: `zero_expr`
Dec 12 01:16:32.286 INFO [stderr]   --> src/parse.rs:46:1
Dec 12 01:16:32.286 INFO [stderr]    |
Dec 12 01:16:32.287 INFO [stderr] 46 | pub fn zero_expr() -> Ast {
Dec 12 01:16:32.287 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 01:16:32.287 INFO [stderr]    |
Dec 12 01:16:32.287 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 01:16:32.288 INFO [stderr] 
Dec 12 01:16:32.288 INFO [stderr] warning: variant is never constructed: `Cond`
Dec 12 01:16:32.289 INFO [stderr]   --> src/program.rs:30:5
Dec 12 01:16:32.289 INFO [stderr]    |
Dec 12 01:16:32.289 INFO [stderr] 30 |     Cond(Vec<(Expr, Expr)>),
Dec 12 01:16:32.289 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 01:16:32.290 INFO [stderr] 
Dec 12 01:16:32.290 INFO [stderr] warning: variant is never constructed: `Func`
Dec 12 01:16:32.290 INFO [stderr]   --> src/program.rs:31:5
Dec 12 01:16:32.291 INFO [stderr]    |
Dec 12 01:16:32.291 INFO [stderr] 31 |     Func(Box<Func>),
Dec 12 01:16:32.291 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 12 01:16:32.291 INFO [stderr] 
Dec 12 01:16:32.292 INFO [stderr] warning: function is never used: `ast2var`
Dec 12 01:16:32.292 INFO [stderr]   --> src/program.rs:80:1
Dec 12 01:16:32.292 INFO [stderr]    |
Dec 12 01:16:32.293 INFO [stderr] 80 | fn ast2var(ast: &[Ast]) -> Result<(String, Expr)> {
Dec 12 01:16:32.293 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 01:16:32.293 INFO [stderr] 
Dec 12 01:16:32.528 INFO [stderr] warning: function is never used: `zero_expr`
Dec 12 01:16:32.528 INFO [stderr]   --> src/parse.rs:46:1
Dec 12 01:16:32.528 INFO [stderr]    |
Dec 12 01:16:32.528 INFO [stderr] 46 | pub fn zero_expr() -> Ast {
Dec 12 01:16:32.528 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 01:16:32.528 INFO [stderr]    |
Dec 12 01:16:32.528 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 01:16:32.528 INFO [stderr] 
Dec 12 01:16:32.528 INFO [stderr] warning: variant is never constructed: `Cond`
Dec 12 01:16:32.528 INFO [stderr]   --> src/program.rs:30:5
Dec 12 01:16:32.528 INFO [stderr]    |
Dec 12 01:16:32.528 INFO [stderr] 30 |     Cond(Vec<(Expr, Expr)>),
Dec 12 01:16:32.528 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 01:16:32.528 INFO [stderr] 
Dec 12 01:16:32.528 INFO [stderr] warning: variant is never constructed: `Func`
Dec 12 01:16:32.528 INFO [stderr]   --> src/program.rs:31:5
Dec 12 01:16:32.528 INFO [stderr]    |
Dec 12 01:16:32.528 INFO [stderr] 31 |     Func(Box<Func>),
Dec 12 01:16:32.528 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 12 01:16:32.528 INFO [stderr] 
Dec 12 01:16:32.528 INFO [stderr] warning: function is never used: `ast2var`
Dec 12 01:16:32.528 INFO [stderr]   --> src/program.rs:80:1
Dec 12 01:16:32.528 INFO [stderr]    |
Dec 12 01:16:32.528 INFO [stderr] 80 | fn ast2var(ast: &[Ast]) -> Result<(String, Expr)> {
Dec 12 01:16:32.529 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 01:16:32.529 INFO [stderr] 
Dec 12 01:16:32.584 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.36s
Dec 12 01:16:32.601 INFO [stderr] su: No module specific data is present
Dec 12 01:16:33.627 INFO running `"docker" "inspect" "c3065f4dc3c429c266e6c1bacd0f7b8fde985d6f730c4f2bb7bbcbf7b709a68f"`
Dec 12 01:16:34.001 INFO running `"docker" "rm" "-f" "c3065f4dc3c429c266e6c1bacd0f7b8fde985d6f730c4f2bb7bbcbf7b709a68f"`
Dec 12 01:16:34.328 INFO [stdout] c3065f4dc3c429c266e6c1bacd0f7b8fde985d6f730c4f2bb7bbcbf7b709a68f