Dec 05 01:02:57.304 INFO checking NatTuck/meatball against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 01:02:57.304 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-7/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 05 01:02:57.680 INFO [stdout] c73447d7df643f6fc283c2f5f9f029c5f3a701ab0f7cdc958da8de1468d7a837
Dec 05 01:02:57.682 INFO running `"docker" "start" "-a" "c73447d7df643f6fc283c2f5f9f029c5f3a701ab0f7cdc958da8de1468d7a837"`
Dec 05 01:02:59.719 INFO [stderr] usermod: no changes
Dec 05 01:02:59.851 INFO [stderr]     Checking meatball v0.1.0 (/source)
Dec 05 01:03:02.099 INFO [stderr] warning: unused import: `builtins::Builtin`
Dec 05 01:03:02.099 INFO [stderr]  --> src/program.rs:5:5
Dec 05 01:03:02.099 INFO [stderr]   |
Dec 05 01:03:02.099 INFO [stderr] 5 | use builtins::Builtin;
Dec 05 01:03:02.099 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 05 01:03:02.099 INFO [stderr]   |
Dec 05 01:03:02.099 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 01:03:02.099 INFO [stderr] 
Dec 05 01:03:02.347 INFO [stderr] warning: unused import: `builtins::Builtin`
Dec 05 01:03:02.347 INFO [stderr]  --> src/program.rs:5:5
Dec 05 01:03:02.347 INFO [stderr]   |
Dec 05 01:03:02.347 INFO [stderr] 5 | use builtins::Builtin;
Dec 05 01:03:02.347 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 05 01:03:02.347 INFO [stderr]   |
Dec 05 01:03:02.347 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 01:03:02.347 INFO [stderr] 
Dec 05 01:03:02.747 INFO [stderr] warning: function is never used: `zero_expr`
Dec 05 01:03:02.747 INFO [stderr]   --> src/parse.rs:46:1
Dec 05 01:03:02.747 INFO [stderr]    |
Dec 05 01:03:02.747 INFO [stderr] 46 | pub fn zero_expr() -> Ast {
Dec 05 01:03:02.747 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 01:03:02.747 INFO [stderr]    |
Dec 05 01:03:02.747 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 01:03:02.747 INFO [stderr] 
Dec 05 01:03:02.747 INFO [stderr] warning: variant is never constructed: `Cond`
Dec 05 01:03:02.747 INFO [stderr]   --> src/program.rs:30:5
Dec 05 01:03:02.747 INFO [stderr]    |
Dec 05 01:03:02.747 INFO [stderr] 30 |     Cond(Vec<(Expr, Expr)>),
Dec 05 01:03:02.747 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 01:03:02.747 INFO [stderr] 
Dec 05 01:03:02.747 INFO [stderr] warning: variant is never constructed: `Func`
Dec 05 01:03:02.747 INFO [stderr]   --> src/program.rs:31:5
Dec 05 01:03:02.747 INFO [stderr]    |
Dec 05 01:03:02.747 INFO [stderr] 31 |     Func(Box<Func>),
Dec 05 01:03:02.747 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 05 01:03:02.747 INFO [stderr] 
Dec 05 01:03:02.747 INFO [stderr] warning: function is never used: `ast2var`
Dec 05 01:03:02.747 INFO [stderr]   --> src/program.rs:80:1
Dec 05 01:03:02.747 INFO [stderr]    |
Dec 05 01:03:02.747 INFO [stderr] 80 | fn ast2var(ast: &[Ast]) -> Result<(String, Expr)> {
Dec 05 01:03:02.747 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 01:03:02.747 INFO [stderr] 
Dec 05 01:03:02.923 INFO [stderr] warning: function is never used: `zero_expr`
Dec 05 01:03:02.923 INFO [stderr]   --> src/parse.rs:46:1
Dec 05 01:03:02.923 INFO [stderr]    |
Dec 05 01:03:02.923 INFO [stderr] 46 | pub fn zero_expr() -> Ast {
Dec 05 01:03:02.923 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 01:03:02.923 INFO [stderr]    |
Dec 05 01:03:02.923 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 01:03:02.923 INFO [stderr] 
Dec 05 01:03:02.923 INFO [stderr] warning: variant is never constructed: `Cond`
Dec 05 01:03:02.923 INFO [stderr]   --> src/program.rs:30:5
Dec 05 01:03:02.923 INFO [stderr]    |
Dec 05 01:03:02.923 INFO [stderr] 30 |     Cond(Vec<(Expr, Expr)>),
Dec 05 01:03:02.923 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 01:03:02.923 INFO [stderr] 
Dec 05 01:03:02.923 INFO [stderr] warning: variant is never constructed: `Func`
Dec 05 01:03:02.923 INFO [stderr]   --> src/program.rs:31:5
Dec 05 01:03:02.923 INFO [stderr]    |
Dec 05 01:03:02.923 INFO [stderr] 31 |     Func(Box<Func>),
Dec 05 01:03:02.923 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 05 01:03:02.923 INFO [stderr] 
Dec 05 01:03:02.923 INFO [stderr] warning: function is never used: `ast2var`
Dec 05 01:03:02.923 INFO [stderr]   --> src/program.rs:80:1
Dec 05 01:03:02.923 INFO [stderr]    |
Dec 05 01:03:02.923 INFO [stderr] 80 | fn ast2var(ast: &[Ast]) -> Result<(String, Expr)> {
Dec 05 01:03:02.923 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 01:03:02.923 INFO [stderr] 
Dec 05 01:03:02.959 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.20s
Dec 05 01:03:02.967 INFO [stderr] su: No module specific data is present
Dec 05 01:03:03.707 INFO running `"docker" "inspect" "c73447d7df643f6fc283c2f5f9f029c5f3a701ab0f7cdc958da8de1468d7a837"`
Dec 05 01:03:04.011 INFO running `"docker" "rm" "-f" "c73447d7df643f6fc283c2f5f9f029c5f3a701ab0f7cdc958da8de1468d7a837"`
Dec 05 01:03:04.274 INFO [stdout] c73447d7df643f6fc283c2f5f9f029c5f3a701ab0f7cdc958da8de1468d7a837