Dec 19 14:55:17.585 INFO checking jparoz/huck against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 14:55:17.585 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/jparoz/huck:/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=forbid" "-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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 14:55:18.166 INFO [stdout] e9d2beed837ef7222c83cb77edb406ee06f4ea71234e91f479d808cd269f13dc
Dec 19 14:55:18.168 INFO running `"docker" "start" "-a" "e9d2beed837ef7222c83cb77edb406ee06f4ea71234e91f479d808cd269f13dc"`
Dec 19 14:55:19.608 INFO [stderr]     Checking huck v0.1.0 (/opt/crater/workdir)
Dec 19 14:55:20.136 INFO [stderr] warning: variant is never constructed: `TypeSignature`
Dec 19 14:55:20.136 INFO [stderr]   --> src/ast.rs:18:5
Dec 19 14:55:20.136 INFO [stderr]    |
Dec 19 14:55:20.136 INFO [stderr] 18 |     TypeSignature { names: Vec<&'a str>, typ: Type<'a> },
Dec 19 14:55:20.136 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:55:20.136 INFO [stderr]    |
Dec 19 14:55:20.136 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 14:55:20.136 INFO [stderr] 
Dec 19 14:55:20.136 INFO [stderr] warning: variant is never constructed: `Lit`
Dec 19 14:55:20.136 INFO [stderr]   --> src/ast.rs:24:5
Dec 19 14:55:20.136 INFO [stderr]    |
Dec 19 14:55:20.136 INFO [stderr] 24 |     Lit(Literal),
Dec 19 14:55:20.136 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 19 14:55:20.136 INFO [stderr] 
Dec 19 14:55:20.136 INFO [stderr] warning: variant is never constructed: `Var`
Dec 19 14:55:20.136 INFO [stderr]   --> src/ast.rs:25:5
Dec 19 14:55:20.136 INFO [stderr]    |
Dec 19 14:55:20.136 INFO [stderr] 25 |     Var(&'a str),
Dec 19 14:55:20.136 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 19 14:55:20.136 INFO [stderr] 
Dec 19 14:55:20.136 INFO [stderr] warning: variant is never constructed: `Lam`
Dec 19 14:55:20.136 INFO [stderr]   --> src/ast.rs:26:5
Dec 19 14:55:20.136 INFO [stderr]    |
Dec 19 14:55:20.136 INFO [stderr] 26 |     Lam(Lambda<'a>),
Dec 19 14:55:20.136 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 19 14:55:20.136 INFO [stderr] 
Dec 19 14:55:20.136 INFO [stderr] warning: variant is never constructed: `App`
Dec 19 14:55:20.136 INFO [stderr]   --> src/ast.rs:27:5
Dec 19 14:55:20.136 INFO [stderr]    |
Dec 19 14:55:20.136 INFO [stderr] 27 |     App(Box<Expr<'a>>, Box<Expr<'a>>),
Dec 19 14:55:20.136 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:55:20.136 INFO [stderr] 
Dec 19 14:55:20.136 INFO [stderr] warning: variant is never constructed: `Var`
Dec 19 14:55:20.136 INFO [stderr]   --> src/ast.rs:38:5
Dec 19 14:55:20.136 INFO [stderr]    |
Dec 19 14:55:20.136 INFO [stderr] 38 |     Var(&'a str),
Dec 19 14:55:20.136 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 19 14:55:20.136 INFO [stderr] 
Dec 19 14:55:20.136 INFO [stderr] warning: variant is never constructed: `Concrete`
Dec 19 14:55:20.136 INFO [stderr]   --> src/ast.rs:39:5
Dec 19 14:55:20.136 INFO [stderr]    |
Dec 19 14:55:20.136 INFO [stderr] 39 |     Concrete(&'a str),
Dec 19 14:55:20.136 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 19 14:55:20.136 INFO [stderr] 
Dec 19 14:55:20.136 INFO [stderr] warning: variant is never constructed: `App`
Dec 19 14:55:20.136 INFO [stderr]   --> src/ast.rs:40:5
Dec 19 14:55:20.136 INFO [stderr]    |
Dec 19 14:55:20.137 INFO [stderr] 40 |     App(Box<Type<'a>>, Box<Type<'a>>),
Dec 19 14:55:20.137 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:55:20.137 INFO [stderr] 
Dec 19 14:55:20.267 INFO [stderr] warning: variant is never constructed: `TypeSignature`
Dec 19 14:55:20.267 INFO [stderr]   --> src/ast.rs:18:5
Dec 19 14:55:20.267 INFO [stderr]    |
Dec 19 14:55:20.267 INFO [stderr] 18 |     TypeSignature { names: Vec<&'a str>, typ: Type<'a> },
Dec 19 14:55:20.267 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:55:20.267 INFO [stderr]    |
Dec 19 14:55:20.267 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 14:55:20.267 INFO [stderr] 
Dec 19 14:55:20.267 INFO [stderr] warning: variant is never constructed: `Lit`
Dec 19 14:55:20.268 INFO [stderr]   --> src/ast.rs:24:5
Dec 19 14:55:20.268 INFO [stderr]    |
Dec 19 14:55:20.268 INFO [stderr] 24 |     Lit(Literal),
Dec 19 14:55:20.268 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 19 14:55:20.268 INFO [stderr] 
Dec 19 14:55:20.268 INFO [stderr] warning: variant is never constructed: `Var`
Dec 19 14:55:20.268 INFO [stderr]   --> src/ast.rs:25:5
Dec 19 14:55:20.268 INFO [stderr]    |
Dec 19 14:55:20.268 INFO [stderr] 25 |     Var(&'a str),
Dec 19 14:55:20.268 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 19 14:55:20.268 INFO [stderr] 
Dec 19 14:55:20.272 INFO [stderr] warning: variant is never constructed: `Lam`
Dec 19 14:55:20.272 INFO [stderr]   --> src/ast.rs:26:5
Dec 19 14:55:20.272 INFO [stderr]    |
Dec 19 14:55:20.272 INFO [stderr] 26 |     Lam(Lambda<'a>),
Dec 19 14:55:20.272 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 19 14:55:20.272 INFO [stderr] 
Dec 19 14:55:20.272 INFO [stderr] warning: variant is never constructed: `App`
Dec 19 14:55:20.272 INFO [stderr]   --> src/ast.rs:27:5
Dec 19 14:55:20.272 INFO [stderr]    |
Dec 19 14:55:20.272 INFO [stderr] 27 |     App(Box<Expr<'a>>, Box<Expr<'a>>),
Dec 19 14:55:20.272 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:55:20.272 INFO [stderr] 
Dec 19 14:55:20.272 INFO [stderr] warning: variant is never constructed: `Var`
Dec 19 14:55:20.272 INFO [stderr]   --> src/ast.rs:38:5
Dec 19 14:55:20.272 INFO [stderr]    |
Dec 19 14:55:20.272 INFO [stderr] 38 |     Var(&'a str),
Dec 19 14:55:20.272 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 19 14:55:20.272 INFO [stderr] 
Dec 19 14:55:20.272 INFO [stderr] warning: variant is never constructed: `Concrete`
Dec 19 14:55:20.272 INFO [stderr]   --> src/ast.rs:39:5
Dec 19 14:55:20.272 INFO [stderr]    |
Dec 19 14:55:20.272 INFO [stderr] 39 |     Concrete(&'a str),
Dec 19 14:55:20.272 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 19 14:55:20.272 INFO [stderr] 
Dec 19 14:55:20.272 INFO [stderr] warning: variant is never constructed: `App`
Dec 19 14:55:20.272 INFO [stderr]   --> src/ast.rs:40:5
Dec 19 14:55:20.272 INFO [stderr]    |
Dec 19 14:55:20.272 INFO [stderr] 40 |     App(Box<Type<'a>>, Box<Type<'a>>),
Dec 19 14:55:20.272 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:55:20.272 INFO [stderr] 
Dec 19 14:55:20.306 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
Dec 19 14:55:21.262 INFO running `"docker" "inspect" "e9d2beed837ef7222c83cb77edb406ee06f4ea71234e91f479d808cd269f13dc"`
Dec 19 14:55:21.435 INFO running `"docker" "rm" "-f" "e9d2beed837ef7222c83cb77edb406ee06f4ea71234e91f479d808cd269f13dc"`
Dec 19 14:55:21.676 INFO [stdout] e9d2beed837ef7222c83cb77edb406ee06f4ea71234e91f479d808cd269f13dc