Dec 12 01:16:27.461 INFO checking NatTuck/meatball against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 01:16:27.461 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-5/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 01:16:27.842 INFO [stdout] 6c9ded240001e6f78f6495b928adaa27baa33c9ea7ab6ad025daf04dd96ad0f9
Dec 12 01:16:27.846 INFO running `"docker" "start" "-a" "6c9ded240001e6f78f6495b928adaa27baa33c9ea7ab6ad025daf04dd96ad0f9"`
Dec 12 01:16:29.611 INFO [stderr] usermod: no changes
Dec 12 01:16:29.780 INFO [stderr]     Checking meatball v0.1.0 (/source)
Dec 12 01:16:31.921 INFO [stderr] warning: unused import: `builtins::Builtin`
Dec 12 01:16:31.921 INFO [stderr]  --> src/program.rs:5:5
Dec 12 01:16:31.921 INFO [stderr]   |
Dec 12 01:16:31.922 INFO [stderr] 5 | use builtins::Builtin;
Dec 12 01:16:31.922 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 12 01:16:31.922 INFO [stderr]   |
Dec 12 01:16:31.922 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 01:16:31.922 INFO [stderr] 
Dec 12 01:16:32.397 INFO [stderr] warning: unused import: `builtins::Builtin`
Dec 12 01:16:32.397 INFO [stderr]  --> src/program.rs:5:5
Dec 12 01:16:32.397 INFO [stderr]   |
Dec 12 01:16:32.397 INFO [stderr] 5 | use builtins::Builtin;
Dec 12 01:16:32.397 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 12 01:16:32.397 INFO [stderr]   |
Dec 12 01:16:32.397 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 01:16:32.397 INFO [stderr] 
Dec 12 01:16:32.524 INFO [stderr] warning: function is never used: `zero_expr`
Dec 12 01:16:32.524 INFO [stderr]   --> src/parse.rs:46:1
Dec 12 01:16:32.524 INFO [stderr]    |
Dec 12 01:16:32.524 INFO [stderr] 46 | pub fn zero_expr() -> Ast {
Dec 12 01:16:32.524 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 01:16:32.524 INFO [stderr]    |
Dec 12 01:16:32.524 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 01:16:32.524 INFO [stderr] 
Dec 12 01:16:32.524 INFO [stderr] warning: variant is never constructed: `Cond`
Dec 12 01:16:32.524 INFO [stderr]   --> src/program.rs:30:5
Dec 12 01:16:32.524 INFO [stderr]    |
Dec 12 01:16:32.524 INFO [stderr] 30 |     Cond(Vec<(Expr, Expr)>),
Dec 12 01:16:32.524 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 01:16:32.524 INFO [stderr] 
Dec 12 01:16:32.524 INFO [stderr] warning: variant is never constructed: `Func`
Dec 12 01:16:32.525 INFO [stderr]   --> src/program.rs:31:5
Dec 12 01:16:32.525 INFO [stderr]    |
Dec 12 01:16:32.525 INFO [stderr] 31 |     Func(Box<Func>),
Dec 12 01:16:32.525 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 12 01:16:32.525 INFO [stderr] 
Dec 12 01:16:32.525 INFO [stderr] warning: function is never used: `ast2var`
Dec 12 01:16:32.525 INFO [stderr]   --> src/program.rs:80:1
Dec 12 01:16:32.525 INFO [stderr]    |
Dec 12 01:16:32.525 INFO [stderr] 80 | fn ast2var(ast: &[Ast]) -> Result<(String, Expr)> {
Dec 12 01:16:32.525 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 01:16:32.525 INFO [stderr] 
Dec 12 01:16:32.984 INFO [stderr] warning: function is never used: `zero_expr`
Dec 12 01:16:32.984 INFO [stderr]   --> src/parse.rs:46:1
Dec 12 01:16:32.984 INFO [stderr]    |
Dec 12 01:16:32.984 INFO [stderr] 46 | pub fn zero_expr() -> Ast {
Dec 12 01:16:32.984 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 01:16:32.984 INFO [stderr]    |
Dec 12 01:16:32.984 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 01:16:32.984 INFO [stderr] 
Dec 12 01:16:32.984 INFO [stderr] warning: variant is never constructed: `Cond`
Dec 12 01:16:32.984 INFO [stderr]   --> src/program.rs:30:5
Dec 12 01:16:32.984 INFO [stderr]    |
Dec 12 01:16:32.984 INFO [stderr] 30 |     Cond(Vec<(Expr, Expr)>),
Dec 12 01:16:32.984 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 01:16:32.984 INFO [stderr] 
Dec 12 01:16:32.984 INFO [stderr] warning: variant is never constructed: `Func`
Dec 12 01:16:32.984 INFO [stderr]   --> src/program.rs:31:5
Dec 12 01:16:32.984 INFO [stderr]    |
Dec 12 01:16:32.984 INFO [stderr] 31 |     Func(Box<Func>),
Dec 12 01:16:32.984 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 12 01:16:32.984 INFO [stderr] 
Dec 12 01:16:32.985 INFO [stderr] warning: function is never used: `ast2var`
Dec 12 01:16:32.985 INFO [stderr]   --> src/program.rs:80:1
Dec 12 01:16:32.985 INFO [stderr]    |
Dec 12 01:16:32.985 INFO [stderr] 80 | fn ast2var(ast: &[Ast]) -> Result<(String, Expr)> {
Dec 12 01:16:32.985 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 01:16:32.985 INFO [stderr] 
Dec 12 01:16:33.025 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.39s
Dec 12 01:16:33.030 INFO [stderr] su: No module specific data is present
Dec 12 01:16:33.784 INFO running `"docker" "inspect" "6c9ded240001e6f78f6495b928adaa27baa33c9ea7ab6ad025daf04dd96ad0f9"`
Dec 12 01:16:34.038 INFO running `"docker" "rm" "-f" "6c9ded240001e6f78f6495b928adaa27baa33c9ea7ab6ad025daf04dd96ad0f9"`
Dec 12 01:16:34.416 INFO [stdout] 6c9ded240001e6f78f6495b928adaa27baa33c9ea7ab6ad025daf04dd96ad0f9