[INFO] updating cached repository memoryleak47/constraint-lang
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/memoryleak47/constraint-lang
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/memoryleak47/constraint-lang" "work/ex/beta-1.37-6/sources/1.36.0/gh/memoryleak47/constraint-lang"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/memoryleak47/constraint-lang'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/memoryleak47/constraint-lang" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/memoryleak47/constraint-lang"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/memoryleak47/constraint-lang'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a17e347d8fe9b30c8533ab65fc57a1288bbf5dc6
[INFO] sha for GitHub repo memoryleak47/constraint-lang: a17e347d8fe9b30c8533ab65fc57a1288bbf5dc6
[INFO] validating manifest of memoryleak47/constraint-lang on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of memoryleak47/constraint-lang on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing memoryleak47/constraint-lang
[INFO] finished frobbing memoryleak47/constraint-lang
[INFO] frobbed toml for memoryleak47/constraint-lang written to work/ex/beta-1.37-6/sources/1.36.0/gh/memoryleak47/constraint-lang/Cargo.toml
[INFO] started frobbing memoryleak47/constraint-lang
[INFO] finished frobbing memoryleak47/constraint-lang
[INFO] frobbed toml for memoryleak47/constraint-lang written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/memoryleak47/constraint-lang/Cargo.toml
[INFO] crate memoryleak47/constraint-lang already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing memoryleak47/constraint-lang against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/memoryleak47/constraint-lang:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] aa6f0fd6343795f159956b21311d8cde2abfc15ad8be8540dd336a0ae5e9f8f5
[INFO] running `"docker" "start" "-a" "aa6f0fd6343795f159956b21311d8cde2abfc15ad8be8540dd336a0ae5e9f8f5"`
[INFO] [stderr]    Compiling libc v0.2.39
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling productivity-lang-compiler v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variant is never constructed: `String`
[INFO] [stderr]    --> src/ast/mod.rs:154:2
[INFO] [stderr]     |
[INFO] [stderr] 154 |     String(String),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Null`
[INFO] [stderr]    --> src/ast/mod.rs:156:2
[INFO] [stderr]     |
[INFO] [stderr] 156 |     Null, // the `null` expression
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Array`
[INFO] [stderr]    --> src/ast/mod.rs:159:2
[INFO] [stderr]     |
[INFO] [stderr] 159 |     Array(Vec<Expr>),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Tuple`
[INFO] [stderr]    --> src/ast/mod.rs:160:2
[INFO] [stderr]     |
[INFO] [stderr] 160 |     Tuple(Vec<Expr>),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Object`
[INFO] [stderr]    --> src/ast/mod.rs:161:2
[INFO] [stderr]     |
[INFO] [stderr] 161 |     Object(HashMap<String, Box<Expr>>), // { f = 2 }
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `dealloc`
[INFO] [stderr]   --> src/exec/heap.rs:27:2
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn dealloc(&mut self, index: usize) -> Option<V> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.70s
[INFO] running `"docker" "inspect" "aa6f0fd6343795f159956b21311d8cde2abfc15ad8be8540dd336a0ae5e9f8f5"`
[INFO] running `"docker" "rm" "-f" "aa6f0fd6343795f159956b21311d8cde2abfc15ad8be8540dd336a0ae5e9f8f5"`
[INFO] [stdout] aa6f0fd6343795f159956b21311d8cde2abfc15ad8be8540dd336a0ae5e9f8f5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/memoryleak47/constraint-lang:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9859977c7e942076810c49c8d5dfea5238be40502a7af51ec0b2ab56e1be83b1
[INFO] running `"docker" "start" "-a" "9859977c7e942076810c49c8d5dfea5238be40502a7af51ec0b2ab56e1be83b1"`
[INFO] [stderr]    Compiling productivity-lang-compiler v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variant is never constructed: `String`
[INFO] [stderr]    --> src/ast/mod.rs:154:2
[INFO] [stderr]     |
[INFO] [stderr] 154 |     String(String),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Null`
[INFO] [stderr]    --> src/ast/mod.rs:156:2
[INFO] [stderr]     |
[INFO] [stderr] 156 |     Null, // the `null` expression
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Array`
[INFO] [stderr]    --> src/ast/mod.rs:159:2
[INFO] [stderr]     |
[INFO] [stderr] 159 |     Array(Vec<Expr>),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Tuple`
[INFO] [stderr]    --> src/ast/mod.rs:160:2
[INFO] [stderr]     |
[INFO] [stderr] 160 |     Tuple(Vec<Expr>),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Object`
[INFO] [stderr]    --> src/ast/mod.rs:161:2
[INFO] [stderr]     |
[INFO] [stderr] 161 |     Object(HashMap<String, Box<Expr>>), // { f = 2 }
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `dealloc`
[INFO] [stderr]   --> src/exec/heap.rs:27:2
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn dealloc(&mut self, index: usize) -> Option<V> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.88s
[INFO] running `"docker" "inspect" "9859977c7e942076810c49c8d5dfea5238be40502a7af51ec0b2ab56e1be83b1"`
[INFO] running `"docker" "rm" "-f" "9859977c7e942076810c49c8d5dfea5238be40502a7af51ec0b2ab56e1be83b1"`
[INFO] [stdout] 9859977c7e942076810c49c8d5dfea5238be40502a7af51ec0b2ab56e1be83b1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/memoryleak47/constraint-lang:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] e7b3bf51733485550cadbc69687c6e4307cde0a90a8a77f4f7b4b6228f86e910
[INFO] running `"docker" "start" "-a" "e7b3bf51733485550cadbc69687c6e4307cde0a90a8a77f4f7b4b6228f86e910"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/productivity_lang_compiler-d899b1bee1fa9528
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test ast::parse::expr::fun::test_fun ... ok
[INFO] [stdout] test ast::parse::expr::fun::test_empty_fun ... ok
[INFO] [stdout] test ast::parse::expr::test_fun_call_expr_statement ... ok
[INFO] [stdout] test ast::parse::expr::test_fun_call_expr ... ok
[INFO] [stdout] test ast::parse::keyword::test_parse_keyword_good ... ok
[INFO] [stdout] test ast::parse::test_fun_call ... ok
[INFO] [stdout] test ast::parse::expr::fun_call::test1 ... ok
[INFO] [stdout] test ast::parse::keyword::test_parse_keyword_bad ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "e7b3bf51733485550cadbc69687c6e4307cde0a90a8a77f4f7b4b6228f86e910"`
[INFO] running `"docker" "rm" "-f" "e7b3bf51733485550cadbc69687c6e4307cde0a90a8a77f4f7b4b6228f86e910"`
[INFO] [stdout] e7b3bf51733485550cadbc69687c6e4307cde0a90a8a77f4f7b4b6228f86e910