Nov 28 12:03:07.224 INFO checking NatTuck/meatball against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 28 12:03:07.225 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-3/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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"`
Nov 28 12:03:07.732 INFO [stdout] a3496c9b58badaaf3dad5c71e51b1e837280031210f602d82a35427c92d223a7
Nov 28 12:03:07.735 INFO running `"docker" "start" "-a" "a3496c9b58badaaf3dad5c71e51b1e837280031210f602d82a35427c92d223a7"`
Nov 28 12:03:09.231 INFO [stderr] usermod: no changes
Nov 28 12:03:09.372 INFO [stderr]     Checking meatball v0.1.0 (/source)
Nov 28 12:03:11.704 INFO [stderr] warning: unused import: `builtins::Builtin`
Nov 28 12:03:11.704 INFO [stderr]  --> src/program.rs:5:5
Nov 28 12:03:11.704 INFO [stderr]   |
Nov 28 12:03:11.704 INFO [stderr] 5 | use builtins::Builtin;
Nov 28 12:03:11.704 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Nov 28 12:03:11.704 INFO [stderr]   |
Nov 28 12:03:11.704 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 12:03:11.704 INFO [stderr] 
Nov 28 12:03:12.025 INFO [stderr] warning: unused import: `builtins::Builtin`
Nov 28 12:03:12.025 INFO [stderr]  --> src/program.rs:5:5
Nov 28 12:03:12.025 INFO [stderr]   |
Nov 28 12:03:12.026 INFO [stderr] 5 | use builtins::Builtin;
Nov 28 12:03:12.026 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Nov 28 12:03:12.053 INFO [stderr]   |
Nov 28 12:03:12.053 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 12:03:12.053 INFO [stderr] 
Nov 28 12:03:12.776 INFO [stderr] warning: function is never used: `zero_expr`
Nov 28 12:03:12.776 INFO [stderr]   --> src/parse.rs:46:1
Nov 28 12:03:12.776 INFO [stderr]    |
Nov 28 12:03:12.776 INFO [stderr] 46 | pub fn zero_expr() -> Ast {
Nov 28 12:03:12.776 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:03:12.776 INFO [stderr]    |
Nov 28 12:03:12.776 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 12:03:12.776 INFO [stderr] 
Nov 28 12:03:12.776 INFO [stderr] warning: variant is never constructed: `Cond`
Nov 28 12:03:12.776 INFO [stderr]   --> src/program.rs:30:5
Nov 28 12:03:12.776 INFO [stderr]    |
Nov 28 12:03:12.776 INFO [stderr] 30 |     Cond(Vec<(Expr, Expr)>),
Nov 28 12:03:12.776 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:03:12.776 INFO [stderr] 
Nov 28 12:03:12.776 INFO [stderr] warning: variant is never constructed: `Func`
Nov 28 12:03:12.776 INFO [stderr]   --> src/program.rs:31:5
Nov 28 12:03:12.776 INFO [stderr]    |
Nov 28 12:03:12.776 INFO [stderr] 31 |     Func(Box<Func>),
Nov 28 12:03:12.776 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Nov 28 12:03:12.776 INFO [stderr] 
Nov 28 12:03:12.776 INFO [stderr] warning: function is never used: `ast2var`
Nov 28 12:03:12.776 INFO [stderr]   --> src/program.rs:80:1
Nov 28 12:03:12.776 INFO [stderr]    |
Nov 28 12:03:12.777 INFO [stderr] 80 | fn ast2var(ast: &[Ast]) -> Result<(String, Expr)> {
Nov 28 12:03:12.777 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:03:12.777 INFO [stderr] 
Nov 28 12:03:12.992 INFO [stderr] warning: function is never used: `zero_expr`
Nov 28 12:03:12.992 INFO [stderr]   --> src/parse.rs:46:1
Nov 28 12:03:12.992 INFO [stderr]    |
Nov 28 12:03:12.992 INFO [stderr] 46 | pub fn zero_expr() -> Ast {
Nov 28 12:03:12.992 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:03:12.992 INFO [stderr]    |
Nov 28 12:03:12.992 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 12:03:12.992 INFO [stderr] 
Nov 28 12:03:12.994 INFO [stderr] warning: variant is never constructed: `Cond`
Nov 28 12:03:12.995 INFO [stderr]   --> src/program.rs:30:5
Nov 28 12:03:12.995 INFO [stderr]    |
Nov 28 12:03:12.995 INFO [stderr] 30 |     Cond(Vec<(Expr, Expr)>),
Nov 28 12:03:12.995 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:03:12.995 INFO [stderr] 
Nov 28 12:03:12.995 INFO [stderr] warning: variant is never constructed: `Func`
Nov 28 12:03:12.995 INFO [stderr]   --> src/program.rs:31:5
Nov 28 12:03:12.995 INFO [stderr]    |
Nov 28 12:03:12.995 INFO [stderr] 31 |     Func(Box<Func>),
Nov 28 12:03:12.995 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Nov 28 12:03:12.995 INFO [stderr] 
Nov 28 12:03:12.995 INFO [stderr] warning: function is never used: `ast2var`
Nov 28 12:03:12.995 INFO [stderr]   --> src/program.rs:80:1
Nov 28 12:03:12.995 INFO [stderr]    |
Nov 28 12:03:12.995 INFO [stderr] 80 | fn ast2var(ast: &[Ast]) -> Result<(String, Expr)> {
Nov 28 12:03:12.995 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:03:12.995 INFO [stderr] 
Nov 28 12:03:13.047 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.79s
Nov 28 12:03:13.057 INFO [stderr] su: No module specific data is present
Nov 28 12:03:14.335 INFO running `"docker" "inspect" "a3496c9b58badaaf3dad5c71e51b1e837280031210f602d82a35427c92d223a7"`
Nov 28 12:03:14.694 INFO running `"docker" "rm" "-f" "a3496c9b58badaaf3dad5c71e51b1e837280031210f602d82a35427c92d223a7"`
Nov 28 12:03:15.061 INFO [stdout] a3496c9b58badaaf3dad5c71e51b1e837280031210f602d82a35427c92d223a7