Nov 28 00:47:22.178 INFO checking memoryleak47/constraint-lang against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 00:47:22.178 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-4/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 00:47:22.716 INFO [stdout] 340e9bbebfcb5f7d37729a2888d8ea33e9fc27996e1367fd9765e666a4f0555c
Nov 28 00:47:22.729 INFO running `"docker" "start" "-a" "340e9bbebfcb5f7d37729a2888d8ea33e9fc27996e1367fd9765e666a4f0555c"`
Nov 28 00:47:23.948 INFO [stderr] usermod: no changes
Nov 28 00:47:24.021 INFO [stderr]     Checking libc v0.2.39
Nov 28 00:47:25.366 INFO [stderr]     Checking memchr v1.0.2
Nov 28 00:47:25.736 INFO [stderr]     Checking nom v3.2.1
Nov 28 00:47:28.504 INFO [stderr]     Checking productivity-lang-compiler v0.1.0 (/source)
Nov 28 00:47:31.688 INFO [stderr] warning: variant is never constructed: `String`
Nov 28 00:47:31.688 INFO [stderr]    --> src/ast/mod.rs:154:2
Nov 28 00:47:31.688 INFO [stderr]     |
Nov 28 00:47:31.688 INFO [stderr] 154 |     String(String),
Nov 28 00:47:31.688 INFO [stderr]     |     ^^^^^^^^^^^^^^
Nov 28 00:47:31.688 INFO [stderr]     |
Nov 28 00:47:31.688 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 28 00:47:31.688 INFO [stderr] 
Nov 28 00:47:31.688 INFO [stderr] warning: variant is never constructed: `Null`
Nov 28 00:47:31.688 INFO [stderr]    --> src/ast/mod.rs:156:2
Nov 28 00:47:31.688 INFO [stderr]     |
Nov 28 00:47:31.688 INFO [stderr] 156 |     Null, // the `null` expression
Nov 28 00:47:31.689 INFO [stderr]     |     ^^^^
Nov 28 00:47:31.689 INFO [stderr] 
Nov 28 00:47:31.689 INFO [stderr] warning: variant is never constructed: `Array`
Nov 28 00:47:31.689 INFO [stderr]    --> src/ast/mod.rs:159:2
Nov 28 00:47:31.689 INFO [stderr]     |
Nov 28 00:47:31.689 INFO [stderr] 159 |     Array(Vec<Expr>),
Nov 28 00:47:31.689 INFO [stderr]     |     ^^^^^^^^^^^^^^^^
Nov 28 00:47:31.689 INFO [stderr] 
Nov 28 00:47:31.689 INFO [stderr] warning: variant is never constructed: `Tuple`
Nov 28 00:47:31.689 INFO [stderr]    --> src/ast/mod.rs:160:2
Nov 28 00:47:31.689 INFO [stderr]     |
Nov 28 00:47:31.689 INFO [stderr] 160 |     Tuple(Vec<Expr>),
Nov 28 00:47:31.689 INFO [stderr]     |     ^^^^^^^^^^^^^^^^
Nov 28 00:47:31.689 INFO [stderr] 
Nov 28 00:47:31.689 INFO [stderr] warning: variant is never constructed: `Object`
Nov 28 00:47:31.689 INFO [stderr]    --> src/ast/mod.rs:161:2
Nov 28 00:47:31.689 INFO [stderr]     |
Nov 28 00:47:31.689 INFO [stderr] 161 |     Object(HashMap<String, Box<Expr>>), // { f = 2 }
Nov 28 00:47:31.689 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 00:47:31.689 INFO [stderr] 
Nov 28 00:47:31.689 INFO [stderr] warning: method is never used: `dealloc`
Nov 28 00:47:31.689 INFO [stderr]   --> src/exec/heap.rs:27:2
Nov 28 00:47:31.689 INFO [stderr]    |
Nov 28 00:47:31.689 INFO [stderr] 27 |     pub fn dealloc(&mut self, index: usize) -> Option<V> {
Nov 28 00:47:31.689 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 00:47:31.689 INFO [stderr] 
Nov 28 00:47:32.124 INFO [stderr] warning: variant is never constructed: `String`
Nov 28 00:47:32.124 INFO [stderr]    --> src/ast/mod.rs:154:2
Nov 28 00:47:32.124 INFO [stderr]     |
Nov 28 00:47:32.124 INFO [stderr] 154 |     String(String),
Nov 28 00:47:32.124 INFO [stderr]     |     ^^^^^^^^^^^^^^
Nov 28 00:47:32.124 INFO [stderr]     |
Nov 28 00:47:32.124 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 28 00:47:32.124 INFO [stderr] 
Nov 28 00:47:32.124 INFO [stderr] warning: variant is never constructed: `Null`
Nov 28 00:47:32.124 INFO [stderr]    --> src/ast/mod.rs:156:2
Nov 28 00:47:32.124 INFO [stderr]     |
Nov 28 00:47:32.124 INFO [stderr] 156 |     Null, // the `null` expression
Nov 28 00:47:32.124 INFO [stderr]     |     ^^^^
Nov 28 00:47:32.124 INFO [stderr] 
Nov 28 00:47:32.124 INFO [stderr] warning: variant is never constructed: `Array`
Nov 28 00:47:32.124 INFO [stderr]    --> src/ast/mod.rs:159:2
Nov 28 00:47:32.124 INFO [stderr]     |
Nov 28 00:47:32.125 INFO [stderr] 159 |     Array(Vec<Expr>),
Nov 28 00:47:32.125 INFO [stderr]     |     ^^^^^^^^^^^^^^^^
Nov 28 00:47:32.125 INFO [stderr] 
Nov 28 00:47:32.125 INFO [stderr] warning: variant is never constructed: `Tuple`
Nov 28 00:47:32.125 INFO [stderr]    --> src/ast/mod.rs:160:2
Nov 28 00:47:32.125 INFO [stderr]     |
Nov 28 00:47:32.125 INFO [stderr] 160 |     Tuple(Vec<Expr>),
Nov 28 00:47:32.125 INFO [stderr]     |     ^^^^^^^^^^^^^^^^
Nov 28 00:47:32.125 INFO [stderr] 
Nov 28 00:47:32.125 INFO [stderr] warning: variant is never constructed: `Object`
Nov 28 00:47:32.125 INFO [stderr]    --> src/ast/mod.rs:161:2
Nov 28 00:47:32.125 INFO [stderr]     |
Nov 28 00:47:32.125 INFO [stderr] 161 |     Object(HashMap<String, Box<Expr>>), // { f = 2 }
Nov 28 00:47:32.125 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 00:47:32.125 INFO [stderr] 
Nov 28 00:47:32.125 INFO [stderr] warning: method is never used: `dealloc`
Nov 28 00:47:32.125 INFO [stderr]   --> src/exec/heap.rs:27:2
Nov 28 00:47:32.125 INFO [stderr]    |
Nov 28 00:47:32.125 INFO [stderr] 27 |     pub fn dealloc(&mut self, index: usize) -> Option<V> {
Nov 28 00:47:32.125 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 00:47:32.125 INFO [stderr] 
Nov 28 00:47:32.232 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.24s
Nov 28 00:47:32.240 INFO [stderr] su: No module specific data is present
Nov 28 00:47:33.007 INFO running `"docker" "inspect" "340e9bbebfcb5f7d37729a2888d8ea33e9fc27996e1367fd9765e666a4f0555c"`
Nov 28 00:47:33.295 INFO running `"docker" "rm" "-f" "340e9bbebfcb5f7d37729a2888d8ea33e9fc27996e1367fd9765e666a4f0555c"`
Nov 28 00:47:33.648 INFO [stdout] 340e9bbebfcb5f7d37729a2888d8ea33e9fc27996e1367fd9765e666a4f0555c