Dec 19 14:55:17.785 INFO checking jparoz/huck against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 14:55:17.785 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 14:55:18.218 INFO [stdout] 55cbf733ba1f681ec0b3c26671392ff78df2a2766a061bed796b17be9c0fad31
Dec 19 14:55:18.218 INFO running `"docker" "start" "-a" "55cbf733ba1f681ec0b3c26671392ff78df2a2766a061bed796b17be9c0fad31"`
Dec 19 14:55:19.692 INFO [stderr]     Checking huck v0.1.0 (/opt/crater/workdir)
Dec 19 14:55:20.416 INFO [stderr] warning: variant is never constructed: `TypeSignature`
Dec 19 14:55:20.416 INFO [stderr]   --> src/ast.rs:18:5
Dec 19 14:55:20.416 INFO [stderr]    |
Dec 19 14:55:20.416 INFO [stderr] 18 |     TypeSignature { names: Vec<&'a str>, typ: Type<'a> },
Dec 19 14:55:20.416 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:55:20.416 INFO [stderr]    |
Dec 19 14:55:20.416 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 14:55:20.416 INFO [stderr] 
Dec 19 14:55:20.416 INFO [stderr] warning: variant is never constructed: `Lit`
Dec 19 14:55:20.416 INFO [stderr]   --> src/ast.rs:24:5
Dec 19 14:55:20.416 INFO [stderr]    |
Dec 19 14:55:20.416 INFO [stderr] 24 |     Lit(Literal),
Dec 19 14:55:20.416 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 19 14:55:20.416 INFO [stderr] 
Dec 19 14:55:20.416 INFO [stderr] warning: variant is never constructed: `Var`
Dec 19 14:55:20.416 INFO [stderr]   --> src/ast.rs:25:5
Dec 19 14:55:20.416 INFO [stderr]    |
Dec 19 14:55:20.416 INFO [stderr] 25 |     Var(&'a str),
Dec 19 14:55:20.416 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 19 14:55:20.416 INFO [stderr] 
Dec 19 14:55:20.416 INFO [stderr] warning: variant is never constructed: `Lam`
Dec 19 14:55:20.416 INFO [stderr]   --> src/ast.rs:26:5
Dec 19 14:55:20.416 INFO [stderr]    |
Dec 19 14:55:20.416 INFO [stderr] 26 |     Lam(Lambda<'a>),
Dec 19 14:55:20.416 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 19 14:55:20.416 INFO [stderr] 
Dec 19 14:55:20.416 INFO [stderr] warning: variant is never constructed: `App`
Dec 19 14:55:20.416 INFO [stderr]   --> src/ast.rs:27:5
Dec 19 14:55:20.416 INFO [stderr]    |
Dec 19 14:55:20.416 INFO [stderr] 27 |     App(Box<Expr<'a>>, Box<Expr<'a>>),
Dec 19 14:55:20.416 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:55:20.416 INFO [stderr] 
Dec 19 14:55:20.416 INFO [stderr] warning: variant is never constructed: `Var`
Dec 19 14:55:20.416 INFO [stderr]   --> src/ast.rs:38:5
Dec 19 14:55:20.416 INFO [stderr]    |
Dec 19 14:55:20.416 INFO [stderr] 38 |     Var(&'a str),
Dec 19 14:55:20.416 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 19 14:55:20.416 INFO [stderr] 
Dec 19 14:55:20.416 INFO [stderr] warning: variant is never constructed: `Concrete`
Dec 19 14:55:20.416 INFO [stderr]   --> src/ast.rs:39:5
Dec 19 14:55:20.416 INFO [stderr]    |
Dec 19 14:55:20.416 INFO [stderr] 39 |     Concrete(&'a str),
Dec 19 14:55:20.416 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 19 14:55:20.416 INFO [stderr] 
Dec 19 14:55:20.416 INFO [stderr] warning: variant is never constructed: `App`
Dec 19 14:55:20.416 INFO [stderr]   --> src/ast.rs:40:5
Dec 19 14:55:20.416 INFO [stderr]    |
Dec 19 14:55:20.417 INFO [stderr] 40 |     App(Box<Type<'a>>, Box<Type<'a>>),
Dec 19 14:55:20.417 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:55:20.417 INFO [stderr] 
Dec 19 14:55:20.524 INFO [stderr] warning: variant is never constructed: `TypeSignature`
Dec 19 14:55:20.524 INFO [stderr]   --> src/ast.rs:18:5
Dec 19 14:55:20.524 INFO [stderr]    |
Dec 19 14:55:20.524 INFO [stderr] 18 |     TypeSignature { names: Vec<&'a str>, typ: Type<'a> },
Dec 19 14:55:20.524 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:55:20.524 INFO [stderr]    |
Dec 19 14:55:20.524 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 14:55:20.524 INFO [stderr] 
Dec 19 14:55:20.524 INFO [stderr] warning: variant is never constructed: `Lit`
Dec 19 14:55:20.524 INFO [stderr]   --> src/ast.rs:24:5
Dec 19 14:55:20.524 INFO [stderr]    |
Dec 19 14:55:20.524 INFO [stderr] 24 |     Lit(Literal),
Dec 19 14:55:20.524 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 19 14:55:20.524 INFO [stderr] 
Dec 19 14:55:20.524 INFO [stderr] warning: variant is never constructed: `Var`
Dec 19 14:55:20.524 INFO [stderr]   --> src/ast.rs:25:5
Dec 19 14:55:20.524 INFO [stderr]    |
Dec 19 14:55:20.524 INFO [stderr] 25 |     Var(&'a str),
Dec 19 14:55:20.524 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 19 14:55:20.524 INFO [stderr] 
Dec 19 14:55:20.524 INFO [stderr] warning: variant is never constructed: `Lam`
Dec 19 14:55:20.524 INFO [stderr]   --> src/ast.rs:26:5
Dec 19 14:55:20.524 INFO [stderr]    |
Dec 19 14:55:20.524 INFO [stderr] 26 |     Lam(Lambda<'a>),
Dec 19 14:55:20.524 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 19 14:55:20.524 INFO [stderr] 
Dec 19 14:55:20.524 INFO [stderr] warning: variant is never constructed: `App`
Dec 19 14:55:20.524 INFO [stderr]   --> src/ast.rs:27:5
Dec 19 14:55:20.524 INFO [stderr]    |
Dec 19 14:55:20.524 INFO [stderr] 27 |     App(Box<Expr<'a>>, Box<Expr<'a>>),
Dec 19 14:55:20.524 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:55:20.524 INFO [stderr] 
Dec 19 14:55:20.524 INFO [stderr] warning: variant is never constructed: `Var`
Dec 19 14:55:20.524 INFO [stderr]   --> src/ast.rs:38:5
Dec 19 14:55:20.524 INFO [stderr]    |
Dec 19 14:55:20.524 INFO [stderr] 38 |     Var(&'a str),
Dec 19 14:55:20.524 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 19 14:55:20.524 INFO [stderr] 
Dec 19 14:55:20.524 INFO [stderr] warning: variant is never constructed: `Concrete`
Dec 19 14:55:20.524 INFO [stderr]   --> src/ast.rs:39:5
Dec 19 14:55:20.524 INFO [stderr]    |
Dec 19 14:55:20.524 INFO [stderr] 39 |     Concrete(&'a str),
Dec 19 14:55:20.524 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 19 14:55:20.524 INFO [stderr] 
Dec 19 14:55:20.524 INFO [stderr] warning: variant is never constructed: `App`
Dec 19 14:55:20.524 INFO [stderr]   --> src/ast.rs:40:5
Dec 19 14:55:20.524 INFO [stderr]    |
Dec 19 14:55:20.524 INFO [stderr] 40 |     App(Box<Type<'a>>, Box<Type<'a>>),
Dec 19 14:55:20.524 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:55:20.524 INFO [stderr] 
Dec 19 14:55:20.572 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
Dec 19 14:55:21.171 INFO running `"docker" "inspect" "55cbf733ba1f681ec0b3c26671392ff78df2a2766a061bed796b17be9c0fad31"`
Dec 19 14:55:21.574 INFO running `"docker" "rm" "-f" "55cbf733ba1f681ec0b3c26671392ff78df2a2766a061bed796b17be9c0fad31"`
Dec 19 14:55:21.913 INFO [stdout] 55cbf733ba1f681ec0b3c26671392ff78df2a2766a061bed796b17be9c0fad31