Nov 04 02:52:17.624 INFO checking memoryleak47/constraint-lang against try#e740b9aa0b624fa39feb39613e76d15bdf57e594 for pr-55655
Nov 04 02:52:17.626 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-6/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55655/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/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 +e740b9aa0b624fa39feb39613e76d15bdf57e594-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 04 02:52:18.228 INFO blam! 892faedbef219dfe57145e0b59508b5fee4f7be01206d34cb91d10fbf03ff6b6
Nov 04 02:52:18.229 INFO running `"docker" "start" "-a" "892faedbef219dfe57145e0b59508b5fee4f7be01206d34cb91d10fbf03ff6b6"`
Nov 04 02:52:19.407 INFO kablam! usermod: no changes
Nov 04 02:52:19.483 INFO kablam!     Checking memchr v1.0.2
Nov 04 02:52:20.023 INFO kablam!     Checking nom v3.2.1
Nov 04 02:52:22.848 INFO kablam!     Checking productivity-lang-compiler v0.1.0 (/source)
Nov 04 02:52:26.507 INFO kablam! warning: variant is never constructed: `String`
Nov 04 02:52:26.507 INFO kablam!    --> src/ast/mod.rs:154:2
Nov 04 02:52:26.507 INFO kablam!     |
Nov 04 02:52:26.507 INFO kablam! 154 |     String(String),
Nov 04 02:52:26.507 INFO kablam!     |     ^^^^^^^^^^^^^^
Nov 04 02:52:26.507 INFO kablam!     |
Nov 04 02:52:26.507 INFO kablam!     = note: #[warn(dead_code)] on by default
Nov 04 02:52:26.507 INFO kablam! 
Nov 04 02:52:26.507 INFO kablam! warning: variant is never constructed: `Null`
Nov 04 02:52:26.507 INFO kablam!    --> src/ast/mod.rs:156:2
Nov 04 02:52:26.507 INFO kablam!     |
Nov 04 02:52:26.507 INFO kablam! 156 |     Null, // the `null` expression
Nov 04 02:52:26.507 INFO kablam!     |     ^^^^
Nov 04 02:52:26.507 INFO kablam! 
Nov 04 02:52:26.507 INFO kablam! warning: variant is never constructed: `Array`
Nov 04 02:52:26.507 INFO kablam!    --> src/ast/mod.rs:159:2
Nov 04 02:52:26.507 INFO kablam!     |
Nov 04 02:52:26.507 INFO kablam! 159 |     Array(Vec<Expr>),
Nov 04 02:52:26.507 INFO kablam!     |     ^^^^^^^^^^^^^^^^
Nov 04 02:52:26.507 INFO kablam! 
Nov 04 02:52:26.507 INFO kablam! warning: variant is never constructed: `Tuple`
Nov 04 02:52:26.507 INFO kablam!    --> src/ast/mod.rs:160:2
Nov 04 02:52:26.507 INFO kablam!     |
Nov 04 02:52:26.507 INFO kablam! 160 |     Tuple(Vec<Expr>),
Nov 04 02:52:26.507 INFO kablam!     |     ^^^^^^^^^^^^^^^^
Nov 04 02:52:26.507 INFO kablam! 
Nov 04 02:52:26.507 INFO kablam! warning: variant is never constructed: `Object`
Nov 04 02:52:26.507 INFO kablam!    --> src/ast/mod.rs:161:2
Nov 04 02:52:26.507 INFO kablam!     |
Nov 04 02:52:26.507 INFO kablam! 161 |     Object(HashMap<String, Box<Expr>>), // { f = 2 }
Nov 04 02:52:26.507 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 02:52:26.507 INFO kablam! 
Nov 04 02:52:26.507 INFO kablam! warning: method is never used: `dealloc`
Nov 04 02:52:26.507 INFO kablam!   --> src/exec/heap.rs:27:2
Nov 04 02:52:26.507 INFO kablam!    |
Nov 04 02:52:26.507 INFO kablam! 27 |     pub fn dealloc(&mut self, index: usize) -> Option<V> {
Nov 04 02:52:26.507 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 02:52:26.507 INFO kablam! 
Nov 04 02:52:26.695 INFO kablam! warning: variant is never constructed: `String`
Nov 04 02:52:26.695 INFO kablam!    --> src/ast/mod.rs:154:2
Nov 04 02:52:26.695 INFO kablam!     |
Nov 04 02:52:26.695 INFO kablam! 154 |     String(String),
Nov 04 02:52:26.695 INFO kablam!     |     ^^^^^^^^^^^^^^
Nov 04 02:52:26.695 INFO kablam!     |
Nov 04 02:52:26.695 INFO kablam!     = note: #[warn(dead_code)] on by default
Nov 04 02:52:26.695 INFO kablam! 
Nov 04 02:52:26.695 INFO kablam! warning: variant is never constructed: `Null`
Nov 04 02:52:26.695 INFO kablam!    --> src/ast/mod.rs:156:2
Nov 04 02:52:26.695 INFO kablam!     |
Nov 04 02:52:26.695 INFO kablam! 156 |     Null, // the `null` expression
Nov 04 02:52:26.695 INFO kablam!     |     ^^^^
Nov 04 02:52:26.695 INFO kablam! 
Nov 04 02:52:26.695 INFO kablam! warning: variant is never constructed: `Array`
Nov 04 02:52:26.695 INFO kablam!    --> src/ast/mod.rs:159:2
Nov 04 02:52:26.695 INFO kablam!     |
Nov 04 02:52:26.695 INFO kablam! 159 |     Array(Vec<Expr>),
Nov 04 02:52:26.695 INFO kablam!     |     ^^^^^^^^^^^^^^^^
Nov 04 02:52:26.695 INFO kablam! 
Nov 04 02:52:26.695 INFO kablam! warning: variant is never constructed: `Tuple`
Nov 04 02:52:26.695 INFO kablam!    --> src/ast/mod.rs:160:2
Nov 04 02:52:26.695 INFO kablam!     |
Nov 04 02:52:26.695 INFO kablam! 160 |     Tuple(Vec<Expr>),
Nov 04 02:52:26.695 INFO kablam!     |     ^^^^^^^^^^^^^^^^
Nov 04 02:52:26.695 INFO kablam! 
Nov 04 02:52:26.695 INFO kablam! warning: variant is never constructed: `Object`
Nov 04 02:52:26.695 INFO kablam!    --> src/ast/mod.rs:161:2
Nov 04 02:52:26.695 INFO kablam!     |
Nov 04 02:52:26.695 INFO kablam! 161 |     Object(HashMap<String, Box<Expr>>), // { f = 2 }
Nov 04 02:52:26.695 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 02:52:26.695 INFO kablam! 
Nov 04 02:52:26.695 INFO kablam! warning: method is never used: `dealloc`
Nov 04 02:52:26.695 INFO kablam!   --> src/exec/heap.rs:27:2
Nov 04 02:52:26.695 INFO kablam!    |
Nov 04 02:52:26.695 INFO kablam! 27 |     pub fn dealloc(&mut self, index: usize) -> Option<V> {
Nov 04 02:52:26.695 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 02:52:26.695 INFO kablam! 
Nov 04 02:52:26.771 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 7.32s
Nov 04 02:52:26.774 INFO kablam! su: No module specific data is present
Nov 04 02:52:27.566 INFO running `"docker" "rm" "-f" "892faedbef219dfe57145e0b59508b5fee4f7be01206d34cb91d10fbf03ff6b6"`
Nov 04 02:52:27.892 INFO blam! 892faedbef219dfe57145e0b59508b5fee4f7be01206d34cb91d10fbf03ff6b6