Nov 01 10:55:29.077 INFO checking NatTuck/meatball against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 01 10:55:29.077 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-0/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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 01 10:55:29.542 INFO blam! 8d6754247663ba31a7dc7b2e8102cb3d1999646dad65e5e7319f633ff55d9c21
Nov 01 10:55:29.556 INFO running `"docker" "start" "-a" "8d6754247663ba31a7dc7b2e8102cb3d1999646dad65e5e7319f633ff55d9c21"`
Nov 01 10:55:31.284 INFO kablam! usermod: no changes
Nov 01 10:55:31.416 INFO kablam!     Checking meatball v0.1.0 (/source)
Nov 01 10:55:33.769 INFO kablam! warning: unused import: `builtins::Builtin`
Nov 01 10:55:33.770 INFO kablam!  --> src/program.rs:5:5
Nov 01 10:55:33.771 INFO kablam!   |
Nov 01 10:55:33.771 INFO kablam! 5 | use builtins::Builtin;
Nov 01 10:55:33.772 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Nov 01 10:55:33.773 INFO kablam!   |
Nov 01 10:55:33.773 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 10:55:33.774 INFO kablam! 
Nov 01 10:55:33.785 INFO kablam! warning: unused import: `builtins::Builtin`
Nov 01 10:55:33.785 INFO kablam!  --> src/program.rs:5:5
Nov 01 10:55:33.786 INFO kablam!   |
Nov 01 10:55:33.787 INFO kablam! 5 | use builtins::Builtin;
Nov 01 10:55:33.787 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Nov 01 10:55:33.788 INFO kablam!   |
Nov 01 10:55:33.788 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 10:55:33.789 INFO kablam! 
Nov 01 10:55:35.012 INFO kablam! warning: function is never used: `zero_expr`
Nov 01 10:55:35.012 INFO kablam!   --> src/parse.rs:46:1
Nov 01 10:55:35.012 INFO kablam!    |
Nov 01 10:55:35.012 INFO kablam! 46 | pub fn zero_expr() -> Ast {
Nov 01 10:55:35.012 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 10:55:35.012 INFO kablam!    |
Nov 01 10:55:35.012 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 01 10:55:35.012 INFO kablam! 
Nov 01 10:55:35.014 INFO kablam! warning: variant is never constructed: `Cond`
Nov 01 10:55:35.014 INFO kablam!   --> src/program.rs:30:5
Nov 01 10:55:35.014 INFO kablam!    |
Nov 01 10:55:35.014 INFO kablam! 30 |     Cond(Vec<(Expr, Expr)>),
Nov 01 10:55:35.014 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 10:55:35.015 INFO kablam! 
Nov 01 10:55:35.015 INFO kablam! warning: variant is never constructed: `Func`
Nov 01 10:55:35.015 INFO kablam!   --> src/program.rs:31:5
Nov 01 10:55:35.015 INFO kablam!    |
Nov 01 10:55:35.015 INFO kablam! 31 |     Func(Box<Func>),
Nov 01 10:55:35.015 INFO kablam!    |     ^^^^^^^^^^^^^^^
Nov 01 10:55:35.015 INFO kablam! 
Nov 01 10:55:35.015 INFO kablam! warning: function is never used: `ast2var`
Nov 01 10:55:35.015 INFO kablam!   --> src/program.rs:80:1
Nov 01 10:55:35.015 INFO kablam!    |
Nov 01 10:55:35.015 INFO kablam! 80 | fn ast2var(ast: &[Ast]) -> Result<(String, Expr)> {
Nov 01 10:55:35.015 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 10:55:35.015 INFO kablam! 
Nov 01 10:55:35.103 INFO kablam! warning: function is never used: `zero_expr`
Nov 01 10:55:35.103 INFO kablam!   --> src/parse.rs:46:1
Nov 01 10:55:35.103 INFO kablam!    |
Nov 01 10:55:35.103 INFO kablam! 46 | pub fn zero_expr() -> Ast {
Nov 01 10:55:35.104 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 10:55:35.104 INFO kablam!    |
Nov 01 10:55:35.104 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 01 10:55:35.104 INFO kablam! 
Nov 01 10:55:35.104 INFO kablam! warning: variant is never constructed: `Cond`
Nov 01 10:55:35.104 INFO kablam!   --> src/program.rs:30:5
Nov 01 10:55:35.104 INFO kablam!    |
Nov 01 10:55:35.104 INFO kablam! 30 |     Cond(Vec<(Expr, Expr)>),
Nov 01 10:55:35.104 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 10:55:35.104 INFO kablam! 
Nov 01 10:55:35.104 INFO kablam! warning: variant is never constructed: `Func`
Nov 01 10:55:35.105 INFO kablam!   --> src/program.rs:31:5
Nov 01 10:55:35.105 INFO kablam!    |
Nov 01 10:55:35.105 INFO kablam! 31 |     Func(Box<Func>),
Nov 01 10:55:35.105 INFO kablam!    |     ^^^^^^^^^^^^^^^
Nov 01 10:55:35.105 INFO kablam! 
Nov 01 10:55:35.106 INFO kablam! warning: function is never used: `ast2var`
Nov 01 10:55:35.106 INFO kablam!   --> src/program.rs:80:1
Nov 01 10:55:35.106 INFO kablam!    |
Nov 01 10:55:35.107 INFO kablam! 80 | fn ast2var(ast: &[Ast]) -> Result<(String, Expr)> {
Nov 01 10:55:35.107 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 10:55:35.107 INFO kablam! 
Nov 01 10:55:35.185 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.88s
Nov 01 10:55:35.190 INFO kablam! su: No module specific data is present
Nov 01 10:55:36.340 INFO running `"docker" "rm" "-f" "8d6754247663ba31a7dc7b2e8102cb3d1999646dad65e5e7319f633ff55d9c21"`
Nov 01 10:55:36.565 INFO blam! 8d6754247663ba31a7dc7b2e8102cb3d1999646dad65e5e7319f633ff55d9c21