Dec 05 19:21:52.373 INFO testing jparoz/huck against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 05 19:21:52.373 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-2/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt build --frozen" "-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 19:21:53.024 INFO [stdout] c1d446ab80757db49e1a3190e478783258845815dd55c75ad24ceca2bf4cd8c9
Dec 05 19:21:53.028 INFO running `"docker" "start" "-a" "c1d446ab80757db49e1a3190e478783258845815dd55c75ad24ceca2bf4cd8c9"`
Dec 05 19:21:54.369 INFO [stderr] usermod: no changes
Dec 05 19:21:54.404 INFO [stderr]    Compiling huck v0.1.0 (/source)
Dec 05 19:21:55.109 INFO [stderr] warning: variant is never constructed: `TypeSignature`
Dec 05 19:21:55.109 INFO [stderr]   --> src/ast.rs:18:5
Dec 05 19:21:55.109 INFO [stderr]    |
Dec 05 19:21:55.109 INFO [stderr] 18 |     TypeSignature { names: Vec<&'a str>, typ: Type<'a> },
Dec 05 19:21:55.109 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 19:21:55.109 INFO [stderr]    |
Dec 05 19:21:55.109 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 19:21:55.109 INFO [stderr] 
Dec 05 19:21:55.109 INFO [stderr] warning: variant is never constructed: `Lit`
Dec 05 19:21:55.109 INFO [stderr]   --> src/ast.rs:24:5
Dec 05 19:21:55.109 INFO [stderr]    |
Dec 05 19:21:55.109 INFO [stderr] 24 |     Lit(Literal),
Dec 05 19:21:55.109 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 05 19:21:55.109 INFO [stderr] 
Dec 05 19:21:55.109 INFO [stderr] warning: variant is never constructed: `Var`
Dec 05 19:21:55.109 INFO [stderr]   --> src/ast.rs:25:5
Dec 05 19:21:55.109 INFO [stderr]    |
Dec 05 19:21:55.109 INFO [stderr] 25 |     Var(&'a str),
Dec 05 19:21:55.109 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 05 19:21:55.109 INFO [stderr] 
Dec 05 19:21:55.109 INFO [stderr] warning: variant is never constructed: `Lam`
Dec 05 19:21:55.109 INFO [stderr]   --> src/ast.rs:26:5
Dec 05 19:21:55.109 INFO [stderr]    |
Dec 05 19:21:55.109 INFO [stderr] 26 |     Lam(Lambda<'a>),
Dec 05 19:21:55.109 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 05 19:21:55.109 INFO [stderr] 
Dec 05 19:21:55.109 INFO [stderr] warning: variant is never constructed: `App`
Dec 05 19:21:55.109 INFO [stderr]   --> src/ast.rs:27:5
Dec 05 19:21:55.109 INFO [stderr]    |
Dec 05 19:21:55.109 INFO [stderr] 27 |     App(Box<Expr<'a>>, Box<Expr<'a>>),
Dec 05 19:21:55.109 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 19:21:55.109 INFO [stderr] 
Dec 05 19:21:55.109 INFO [stderr] warning: variant is never constructed: `Var`
Dec 05 19:21:55.109 INFO [stderr]   --> src/ast.rs:38:5
Dec 05 19:21:55.109 INFO [stderr]    |
Dec 05 19:21:55.109 INFO [stderr] 38 |     Var(&'a str),
Dec 05 19:21:55.109 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 05 19:21:55.109 INFO [stderr] 
Dec 05 19:21:55.109 INFO [stderr] warning: variant is never constructed: `Concrete`
Dec 05 19:21:55.109 INFO [stderr]   --> src/ast.rs:39:5
Dec 05 19:21:55.109 INFO [stderr]    |
Dec 05 19:21:55.109 INFO [stderr] 39 |     Concrete(&'a str),
Dec 05 19:21:55.109 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 05 19:21:55.109 INFO [stderr] 
Dec 05 19:21:55.109 INFO [stderr] warning: variant is never constructed: `App`
Dec 05 19:21:55.109 INFO [stderr]   --> src/ast.rs:40:5
Dec 05 19:21:55.109 INFO [stderr]    |
Dec 05 19:21:55.109 INFO [stderr] 40 |     App(Box<Type<'a>>, Box<Type<'a>>),
Dec 05 19:21:55.109 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 19:21:55.109 INFO [stderr] 
Dec 05 19:21:56.380 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.98s
Dec 05 19:21:56.380 INFO [stderr] su: No module specific data is present
Dec 05 19:21:57.318 INFO running `"docker" "inspect" "c1d446ab80757db49e1a3190e478783258845815dd55c75ad24ceca2bf4cd8c9"`
Dec 05 19:21:57.608 INFO running `"docker" "rm" "-f" "c1d446ab80757db49e1a3190e478783258845815dd55c75ad24ceca2bf4cd8c9"`
Dec 05 19:21:57.952 INFO [stdout] c1d446ab80757db49e1a3190e478783258845815dd55c75ad24ceca2bf4cd8c9
Dec 05 19:21:57.958 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-2/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen --no-run" "-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 19:21:58.621 INFO [stdout] a22cfbf713f35ba45a8ab23c1385833e27593cefbef935ed2901b34a1f9e89d9
Dec 05 19:21:58.623 INFO running `"docker" "start" "-a" "a22cfbf713f35ba45a8ab23c1385833e27593cefbef935ed2901b34a1f9e89d9"`
Dec 05 19:21:59.641 INFO [stderr] usermod: no changes
Dec 05 19:21:59.677 INFO [stderr]    Compiling huck v0.1.0 (/source)
Dec 05 19:22:00.240 INFO [stderr] warning: variant is never constructed: `TypeSignature`
Dec 05 19:22:00.240 INFO [stderr]   --> src/ast.rs:18:5
Dec 05 19:22:00.240 INFO [stderr]    |
Dec 05 19:22:00.240 INFO [stderr] 18 |     TypeSignature { names: Vec<&'a str>, typ: Type<'a> },
Dec 05 19:22:00.240 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 19:22:00.240 INFO [stderr]    |
Dec 05 19:22:00.240 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 19:22:00.240 INFO [stderr] 
Dec 05 19:22:00.240 INFO [stderr] warning: variant is never constructed: `Lit`
Dec 05 19:22:00.240 INFO [stderr]   --> src/ast.rs:24:5
Dec 05 19:22:00.240 INFO [stderr]    |
Dec 05 19:22:00.240 INFO [stderr] 24 |     Lit(Literal),
Dec 05 19:22:00.240 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 05 19:22:00.241 INFO [stderr] 
Dec 05 19:22:00.241 INFO [stderr] warning: variant is never constructed: `Var`
Dec 05 19:22:00.241 INFO [stderr]   --> src/ast.rs:25:5
Dec 05 19:22:00.241 INFO [stderr]    |
Dec 05 19:22:00.241 INFO [stderr] 25 |     Var(&'a str),
Dec 05 19:22:00.241 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 05 19:22:00.241 INFO [stderr] 
Dec 05 19:22:00.241 INFO [stderr] warning: variant is never constructed: `Lam`
Dec 05 19:22:00.241 INFO [stderr]   --> src/ast.rs:26:5
Dec 05 19:22:00.241 INFO [stderr]    |
Dec 05 19:22:00.241 INFO [stderr] 26 |     Lam(Lambda<'a>),
Dec 05 19:22:00.241 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 05 19:22:00.242 INFO [stderr] 
Dec 05 19:22:00.242 INFO [stderr] warning: variant is never constructed: `App`
Dec 05 19:22:00.242 INFO [stderr]   --> src/ast.rs:27:5
Dec 05 19:22:00.242 INFO [stderr]    |
Dec 05 19:22:00.242 INFO [stderr] 27 |     App(Box<Expr<'a>>, Box<Expr<'a>>),
Dec 05 19:22:00.242 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 19:22:00.242 INFO [stderr] 
Dec 05 19:22:00.242 INFO [stderr] warning: variant is never constructed: `Var`
Dec 05 19:22:00.242 INFO [stderr]   --> src/ast.rs:38:5
Dec 05 19:22:00.242 INFO [stderr]    |
Dec 05 19:22:00.242 INFO [stderr] 38 |     Var(&'a str),
Dec 05 19:22:00.242 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 05 19:22:00.242 INFO [stderr] 
Dec 05 19:22:00.242 INFO [stderr] warning: variant is never constructed: `Concrete`
Dec 05 19:22:00.242 INFO [stderr]   --> src/ast.rs:39:5
Dec 05 19:22:00.242 INFO [stderr]    |
Dec 05 19:22:00.242 INFO [stderr] 39 |     Concrete(&'a str),
Dec 05 19:22:00.242 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 05 19:22:00.242 INFO [stderr] 
Dec 05 19:22:00.242 INFO [stderr] warning: variant is never constructed: `App`
Dec 05 19:22:00.242 INFO [stderr]   --> src/ast.rs:40:5
Dec 05 19:22:00.242 INFO [stderr]    |
Dec 05 19:22:00.242 INFO [stderr] 40 |     App(Box<Type<'a>>, Box<Type<'a>>),
Dec 05 19:22:00.242 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 19:22:00.242 INFO [stderr] 
Dec 05 19:22:00.560 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
Dec 05 19:22:00.563 INFO [stderr] su: No module specific data is present
Dec 05 19:22:00.853 INFO running `"docker" "inspect" "a22cfbf713f35ba45a8ab23c1385833e27593cefbef935ed2901b34a1f9e89d9"`
Dec 05 19:22:00.958 INFO running `"docker" "rm" "-f" "a22cfbf713f35ba45a8ab23c1385833e27593cefbef935ed2901b34a1f9e89d9"`
Dec 05 19:22:01.039 INFO [stdout] a22cfbf713f35ba45a8ab23c1385833e27593cefbef935ed2901b34a1f9e89d9
Dec 05 19:22:01.041 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-2/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen" "-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 19:22:01.208 INFO [stdout] 613d78a246468e0f290960476ad7f582569ebe0a2280b318c4e933ca3fb8a75e
Dec 05 19:22:01.210 INFO running `"docker" "start" "-a" "613d78a246468e0f290960476ad7f582569ebe0a2280b318c4e933ca3fb8a75e"`
Dec 05 19:22:01.640 INFO [stderr] usermod: no changes
Dec 05 19:22:01.670 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 05 19:22:01.670 INFO [stderr]      Running /target/debug/deps/huck-153d92da281ea228
Dec 05 19:22:01.674 INFO [stdout] 
Dec 05 19:22:01.674 INFO [stdout] running 0 tests
Dec 05 19:22:01.674 INFO [stdout] 
Dec 05 19:22:01.674 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 19:22:01.674 INFO [stdout] 
Dec 05 19:22:01.676 INFO [stderr] su: No module specific data is present
Dec 05 19:22:01.924 INFO running `"docker" "inspect" "613d78a246468e0f290960476ad7f582569ebe0a2280b318c4e933ca3fb8a75e"`
Dec 05 19:22:02.022 INFO running `"docker" "rm" "-f" "613d78a246468e0f290960476ad7f582569ebe0a2280b318c4e933ca3fb8a75e"`
Dec 05 19:22:02.124 INFO [stdout] 613d78a246468e0f290960476ad7f582569ebe0a2280b318c4e933ca3fb8a75e