Dec 18 06:57:19.064 INFO checking KeenS/rustlisp against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 06:57:19.064 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/KeenS/rustlisp:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 06:57:19.544 INFO [stdout] 9bcf6244dc146c5caf1a8e1235c6ad7726b9d6a83a282ca59a70330793ce1e4e
Dec 18 06:57:19.550 INFO running `"docker" "start" "-a" "9bcf6244dc146c5caf1a8e1235c6ad7726b9d6a83a282ca59a70330793ce1e4e"`
Dec 18 06:57:21.060 INFO [stderr]     Checking rustlisp v0.1.0 (/opt/crater/workdir)
Dec 18 06:57:21.332 INFO [stderr] warning: unused import: `std::marker::PhantomData`
Dec 18 06:57:21.332 INFO [stderr]  --> src/lib.rs:1:5
Dec 18 06:57:21.332 INFO [stderr]   |
Dec 18 06:57:21.332 INFO [stderr] 1 | use std::marker::PhantomData;
Dec 18 06:57:21.332 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:57:21.332 INFO [stderr]   |
Dec 18 06:57:21.332 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 06:57:21.332 INFO [stderr] 
Dec 18 06:57:21.332 INFO [stderr] warning: unused import: `std::marker::PhantomData`
Dec 18 06:57:21.332 INFO [stderr]  --> src/expr.rs:2:5
Dec 18 06:57:21.332 INFO [stderr]   |
Dec 18 06:57:21.332 INFO [stderr] 2 | use std::marker::PhantomData;
Dec 18 06:57:21.333 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:57:21.333 INFO [stderr] 
Dec 18 06:57:21.333 INFO [stderr] warning: unused import: `std::marker::PhantomData`
Dec 18 06:57:21.333 INFO [stderr]  --> src/eval.rs:2:5
Dec 18 06:57:21.333 INFO [stderr]   |
Dec 18 06:57:21.333 INFO [stderr] 2 | use std::marker::PhantomData;
Dec 18 06:57:21.333 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:57:21.333 INFO [stderr] 
Dec 18 06:57:21.333 INFO [stderr] warning: unused import: `env::*`
Dec 18 06:57:21.333 INFO [stderr]  --> src/eval.rs:4:5
Dec 18 06:57:21.333 INFO [stderr]   |
Dec 18 06:57:21.333 INFO [stderr] 4 | use env::*;
Dec 18 06:57:21.333 INFO [stderr]   |     ^^^^^^
Dec 18 06:57:21.333 INFO [stderr] 
Dec 18 06:57:21.333 INFO [stderr] warning: unused import: `cons::*`
Dec 18 06:57:21.333 INFO [stderr]  --> src/eval.rs:8:5
Dec 18 06:57:21.333 INFO [stderr]   |
Dec 18 06:57:21.333 INFO [stderr] 8 | use cons::*;
Dec 18 06:57:21.333 INFO [stderr]   |     ^^^^^^^
Dec 18 06:57:21.333 INFO [stderr] 
Dec 18 06:57:21.333 INFO [stderr] warning: unused import: `expr::*`
Dec 18 06:57:21.333 INFO [stderr]  --> src/user.rs:1:5
Dec 18 06:57:21.333 INFO [stderr]   |
Dec 18 06:57:21.333 INFO [stderr] 1 | use expr::*;
Dec 18 06:57:21.333 INFO [stderr]   |     ^^^^^^^
Dec 18 06:57:21.333 INFO [stderr] 
Dec 18 06:57:21.333 INFO [stderr] warning: unused import: `eval::*`
Dec 18 06:57:21.333 INFO [stderr]  --> src/user.rs:5:5
Dec 18 06:57:21.333 INFO [stderr]   |
Dec 18 06:57:21.333 INFO [stderr] 5 | use eval::*;
Dec 18 06:57:21.333 INFO [stderr]   |     ^^^^^^^
Dec 18 06:57:21.333 INFO [stderr] 
Dec 18 06:57:21.372 INFO [stderr] warning: unused import: `std::marker::PhantomData`
Dec 18 06:57:21.372 INFO [stderr]  --> src/lib.rs:1:5
Dec 18 06:57:21.372 INFO [stderr]   |
Dec 18 06:57:21.372 INFO [stderr] 1 | use std::marker::PhantomData;
Dec 18 06:57:21.372 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:57:21.372 INFO [stderr]   |
Dec 18 06:57:21.372 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 06:57:21.372 INFO [stderr] 
Dec 18 06:57:21.372 INFO [stderr] warning: unused import: `std::marker::PhantomData`
Dec 18 06:57:21.372 INFO [stderr]  --> src/expr.rs:2:5
Dec 18 06:57:21.372 INFO [stderr]   |
Dec 18 06:57:21.372 INFO [stderr] 2 | use std::marker::PhantomData;
Dec 18 06:57:21.372 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:57:21.373 INFO [stderr] 
Dec 18 06:57:21.373 INFO [stderr] warning: unused import: `std::marker::PhantomData`
Dec 18 06:57:21.373 INFO [stderr]  --> src/eval.rs:2:5
Dec 18 06:57:21.373 INFO [stderr]   |
Dec 18 06:57:21.373 INFO [stderr] 2 | use std::marker::PhantomData;
Dec 18 06:57:21.373 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:57:21.373 INFO [stderr] 
Dec 18 06:57:21.373 INFO [stderr] warning: unused import: `env::*`
Dec 18 06:57:21.373 INFO [stderr]  --> src/eval.rs:4:5
Dec 18 06:57:21.373 INFO [stderr]   |
Dec 18 06:57:21.373 INFO [stderr] 4 | use env::*;
Dec 18 06:57:21.373 INFO [stderr]   |     ^^^^^^
Dec 18 06:57:21.373 INFO [stderr] 
Dec 18 06:57:21.373 INFO [stderr] warning: unused import: `cons::*`
Dec 18 06:57:21.373 INFO [stderr]  --> src/eval.rs:8:5
Dec 18 06:57:21.373 INFO [stderr]   |
Dec 18 06:57:21.373 INFO [stderr] 8 | use cons::*;
Dec 18 06:57:21.373 INFO [stderr]   |     ^^^^^^^
Dec 18 06:57:21.373 INFO [stderr] 
Dec 18 06:57:21.373 INFO [stderr] warning: unused import: `expr::*`
Dec 18 06:57:21.373 INFO [stderr]  --> src/user.rs:1:5
Dec 18 06:57:21.373 INFO [stderr]   |
Dec 18 06:57:21.373 INFO [stderr] 1 | use expr::*;
Dec 18 06:57:21.373 INFO [stderr]   |     ^^^^^^^
Dec 18 06:57:21.373 INFO [stderr] 
Dec 18 06:57:21.373 INFO [stderr] warning: unused import: `eval::*`
Dec 18 06:57:21.373 INFO [stderr]  --> src/user.rs:5:5
Dec 18 06:57:21.373 INFO [stderr]   |
Dec 18 06:57:21.373 INFO [stderr] 5 | use eval::*;
Dec 18 06:57:21.373 INFO [stderr]   |     ^^^^^^^
Dec 18 06:57:21.373 INFO [stderr] 
Dec 18 06:57:21.393 INFO [stderr] warning: bounds on generic parameters are not enforced in type aliases
Dec 18 06:57:21.393 INFO [stderr]   --> src/env.rs:11:21
Dec 18 06:57:21.393 INFO [stderr]    |
Dec 18 06:57:21.393 INFO [stderr] 11 | pub type Stack1<T1: Expr> = Stack<T1, Bottom>;
Dec 18 06:57:21.393 INFO [stderr]    |                     ^^^^
Dec 18 06:57:21.393 INFO [stderr]    |
Dec 18 06:57:21.393 INFO [stderr]    = note: #[warn(type_alias_bounds)] on by default
Dec 18 06:57:21.393 INFO [stderr]    = help: the bound will not be checked when the type alias is used, and should be removed
Dec 18 06:57:21.393 INFO [stderr] 
Dec 18 06:57:21.393 INFO [stderr] warning: bounds on generic parameters are not enforced in type aliases
Dec 18 06:57:21.393 INFO [stderr]   --> src/env.rs:12:21
Dec 18 06:57:21.393 INFO [stderr]    |
Dec 18 06:57:21.393 INFO [stderr] 12 | pub type Stack2<T1: Expr, T2: Expr> = Stack<T1, Stack1<T2>>;
Dec 18 06:57:21.393 INFO [stderr]    |                     ^^^^
Dec 18 06:57:21.393 INFO [stderr]    |
Dec 18 06:57:21.393 INFO [stderr]    = help: the bound will not be checked when the type alias is used, and should be removed
Dec 18 06:57:21.393 INFO [stderr] 
Dec 18 06:57:21.393 INFO [stderr] warning: bounds on generic parameters are not enforced in type aliases
Dec 18 06:57:21.393 INFO [stderr]   --> src/env.rs:12:31
Dec 18 06:57:21.393 INFO [stderr]    |
Dec 18 06:57:21.393 INFO [stderr] 12 | pub type Stack2<T1: Expr, T2: Expr> = Stack<T1, Stack1<T2>>;
Dec 18 06:57:21.393 INFO [stderr]    |                               ^^^^
Dec 18 06:57:21.393 INFO [stderr]    |
Dec 18 06:57:21.393 INFO [stderr]    = help: the bound will not be checked when the type alias is used, and should be removed
Dec 18 06:57:21.393 INFO [stderr] 
Dec 18 06:57:21.393 INFO [stderr] warning: bounds on generic parameters are not enforced in type aliases
Dec 18 06:57:21.393 INFO [stderr]   --> src/env.rs:13:21
Dec 18 06:57:21.393 INFO [stderr]    |
Dec 18 06:57:21.393 INFO [stderr] 13 | pub type Stack3<T1: Expr, T2: Expr, T3: Expr> = Stack<T1, Stack2<T2, T3>>;
Dec 18 06:57:21.393 INFO [stderr]    |                     ^^^^
Dec 18 06:57:21.393 INFO [stderr]    |
Dec 18 06:57:21.393 INFO [stderr]    = help: the bound will not be checked when the type alias is used, and should be removed
Dec 18 06:57:21.393 INFO [stderr] 
Dec 18 06:57:21.393 INFO [stderr] warning: bounds on generic parameters are not enforced in type aliases
Dec 18 06:57:21.393 INFO [stderr]   --> src/env.rs:13:31
Dec 18 06:57:21.393 INFO [stderr]    |
Dec 18 06:57:21.393 INFO [stderr] 13 | pub type Stack3<T1: Expr, T2: Expr, T3: Expr> = Stack<T1, Stack2<T2, T3>>;
Dec 18 06:57:21.393 INFO [stderr]    |                               ^^^^
Dec 18 06:57:21.393 INFO [stderr]    |
Dec 18 06:57:21.393 INFO [stderr]    = help: the bound will not be checked when the type alias is used, and should be removed
Dec 18 06:57:21.393 INFO [stderr] 
Dec 18 06:57:21.393 INFO [stderr] warning: bounds on generic parameters are not enforced in type aliases
Dec 18 06:57:21.393 INFO [stderr]   --> src/env.rs:13:41
Dec 18 06:57:21.394 INFO [stderr]    |
Dec 18 06:57:21.394 INFO [stderr] 13 | pub type Stack3<T1: Expr, T2: Expr, T3: Expr> = Stack<T1, Stack2<T2, T3>>;
Dec 18 06:57:21.394 INFO [stderr]    |                                         ^^^^
Dec 18 06:57:21.394 INFO [stderr]    |
Dec 18 06:57:21.394 INFO [stderr]    = help: the bound will not be checked when the type alias is used, and should be removed
Dec 18 06:57:21.394 INFO [stderr] 
Dec 18 06:57:21.394 INFO [stderr] warning: bounds on generic parameters are not enforced in type aliases
Dec 18 06:57:21.394 INFO [stderr]   --> src/env.rs:14:21
Dec 18 06:57:21.394 INFO [stderr]    |
Dec 18 06:57:21.394 INFO [stderr] 14 | pub type Stack4<T1: Expr, T2: Expr, T3: Expr, T4: Expr> = Stack<T1, Stack3<T2, T3, T4>>;
Dec 18 06:57:21.394 INFO [stderr]    |                     ^^^^
Dec 18 06:57:21.394 INFO [stderr]    |
Dec 18 06:57:21.394 INFO [stderr]    = help: the bound will not be checked when the type alias is used, and should be removed
Dec 18 06:57:21.394 INFO [stderr] 
Dec 18 06:57:21.394 INFO [stderr] warning: bounds on generic parameters are not enforced in type aliases
Dec 18 06:57:21.394 INFO [stderr]   --> src/env.rs:14:31
Dec 18 06:57:21.394 INFO [stderr]    |
Dec 18 06:57:21.394 INFO [stderr] 14 | pub type Stack4<T1: Expr, T2: Expr, T3: Expr, T4: Expr> = Stack<T1, Stack3<T2, T3, T4>>;
Dec 18 06:57:21.394 INFO [stderr]    |                               ^^^^
Dec 18 06:57:21.394 INFO [stderr]    |
Dec 18 06:57:21.394 INFO [stderr]    = help: the bound will not be checked when the type alias is used, and should be removed
Dec 18 06:57:21.394 INFO [stderr] 
Dec 18 06:57:21.394 INFO [stderr] warning: bounds on generic parameters are not enforced in type aliases
Dec 18 06:57:21.394 INFO [stderr]   --> src/env.rs:14:41
Dec 18 06:57:21.394 INFO [stderr]    |
Dec 18 06:57:21.394 INFO [stderr] 14 | pub type Stack4<T1: Expr, T2: Expr, T3: Expr, T4: Expr> = Stack<T1, Stack3<T2, T3, T4>>;
Dec 18 06:57:21.394 INFO [stderr]    |                                         ^^^^
Dec 18 06:57:21.394 INFO [stderr]    |
Dec 18 06:57:21.394 INFO [stderr]    = help: the bound will not be checked when the type alias is used, and should be removed
Dec 18 06:57:21.394 INFO [stderr] 
Dec 18 06:57:21.394 INFO [stderr] warning: bounds on generic parameters are not enforced in type aliases
Dec 18 06:57:21.394 INFO [stderr]   --> src/env.rs:14:51
Dec 18 06:57:21.394 INFO [stderr]    |
Dec 18 06:57:21.394 INFO [stderr] 14 | pub type Stack4<T1: Expr, T2: Expr, T3: Expr, T4: Expr> = Stack<T1, Stack3<T2, T3, T4>>;
Dec 18 06:57:21.394 INFO [stderr]    |                                                   ^^^^
Dec 18 06:57:21.394 INFO [stderr]    |
Dec 18 06:57:21.394 INFO [stderr]    = help: the bound will not be checked when the type alias is used, and should be removed
Dec 18 06:57:21.394 INFO [stderr] 
Dec 18 06:57:21.394 INFO [stderr] warning: type parameter `N1_O` should have a camel case name such as `N1O`
Dec 18 06:57:21.394 INFO [stderr]   --> src/user.rs:17:17
Dec 18 06:57:21.394 INFO [stderr]    |
Dec 18 06:57:21.394 INFO [stderr] 17 | impl <T1N: Num, N1_O: Num, N2_O: Num, NO: Num>Fun1<Number<Succ<Succ<T1N>>>> for Fib
Dec 18 06:57:21.394 INFO [stderr]    |                 ^^^^
Dec 18 06:57:21.394 INFO [stderr]    |
Dec 18 06:57:21.394 INFO [stderr]    = note: #[warn(non_camel_case_types)] on by default
Dec 18 06:57:21.394 INFO [stderr] 
Dec 18 06:57:21.394 INFO [stderr] warning: type parameter `N2_O` should have a camel case name such as `N2O`
Dec 18 06:57:21.394 INFO [stderr]   --> src/user.rs:17:28
Dec 18 06:57:21.394 INFO [stderr]    |
Dec 18 06:57:21.394 INFO [stderr] 17 | impl <T1N: Num, N1_O: Num, N2_O: Num, NO: Num>Fun1<Number<Succ<Succ<T1N>>>> for Fib
Dec 18 06:57:21.394 INFO [stderr]    |                            ^^^^
Dec 18 06:57:21.394 INFO [stderr] 
Dec 18 06:57:21.441 INFO [stderr] warning: bounds on generic parameters are not enforced in type aliases
Dec 18 06:57:21.441 INFO [stderr]   --> src/env.rs:11:21
Dec 18 06:57:21.441 INFO [stderr]    |
Dec 18 06:57:21.441 INFO [stderr] 11 | pub type Stack1<T1: Expr> = Stack<T1, Bottom>;
Dec 18 06:57:21.441 INFO [stderr]    |                     ^^^^
Dec 18 06:57:21.441 INFO [stderr]    |
Dec 18 06:57:21.441 INFO [stderr]    = note: #[warn(type_alias_bounds)] on by default
Dec 18 06:57:21.441 INFO [stderr]    = help: the bound will not be checked when the type alias is used, and should be removed
Dec 18 06:57:21.441 INFO [stderr] 
Dec 18 06:57:21.441 INFO [stderr] warning: bounds on generic parameters are not enforced in type aliases
Dec 18 06:57:21.441 INFO [stderr]   --> src/env.rs:12:21
Dec 18 06:57:21.441 INFO [stderr]    |
Dec 18 06:57:21.441 INFO [stderr] 12 | pub type Stack2<T1: Expr, T2: Expr> = Stack<T1, Stack1<T2>>;
Dec 18 06:57:21.441 INFO [stderr]    |                     ^^^^
Dec 18 06:57:21.441 INFO [stderr]    |
Dec 18 06:57:21.441 INFO [stderr]    = help: the bound will not be checked when the type alias is used, and should be removed
Dec 18 06:57:21.441 INFO [stderr] 
Dec 18 06:57:21.441 INFO [stderr] warning: bounds on generic parameters are not enforced in type aliases
Dec 18 06:57:21.441 INFO [stderr]   --> src/env.rs:12:31
Dec 18 06:57:21.441 INFO [stderr]    |
Dec 18 06:57:21.441 INFO [stderr] 12 | pub type Stack2<T1: Expr, T2: Expr> = Stack<T1, Stack1<T2>>;
Dec 18 06:57:21.441 INFO [stderr]    |                               ^^^^
Dec 18 06:57:21.441 INFO [stderr]    |
Dec 18 06:57:21.441 INFO [stderr]    = help: the bound will not be checked when the type alias is used, and should be removed
Dec 18 06:57:21.441 INFO [stderr] 
Dec 18 06:57:21.441 INFO [stderr] warning: bounds on generic parameters are not enforced in type aliases
Dec 18 06:57:21.441 INFO [stderr]   --> src/env.rs:13:21
Dec 18 06:57:21.441 INFO [stderr]    |
Dec 18 06:57:21.441 INFO [stderr] 13 | pub type Stack3<T1: Expr, T2: Expr, T3: Expr> = Stack<T1, Stack2<T2, T3>>;
Dec 18 06:57:21.441 INFO [stderr]    |                     ^^^^
Dec 18 06:57:21.441 INFO [stderr]    |
Dec 18 06:57:21.441 INFO [stderr]    = help: the bound will not be checked when the type alias is used, and should be removed
Dec 18 06:57:21.441 INFO [stderr] 
Dec 18 06:57:21.441 INFO [stderr] warning: bounds on generic parameters are not enforced in type aliases
Dec 18 06:57:21.441 INFO [stderr]   --> src/env.rs:13:31
Dec 18 06:57:21.441 INFO [stderr]    |
Dec 18 06:57:21.441 INFO [stderr] 13 | pub type Stack3<T1: Expr, T2: Expr, T3: Expr> = Stack<T1, Stack2<T2, T3>>;
Dec 18 06:57:21.441 INFO [stderr]    |                               ^^^^
Dec 18 06:57:21.441 INFO [stderr]    |
Dec 18 06:57:21.441 INFO [stderr]    = help: the bound will not be checked when the type alias is used, and should be removed
Dec 18 06:57:21.441 INFO [stderr] 
Dec 18 06:57:21.441 INFO [stderr] warning: bounds on generic parameters are not enforced in type aliases
Dec 18 06:57:21.441 INFO [stderr]   --> src/env.rs:13:41
Dec 18 06:57:21.441 INFO [stderr]    |
Dec 18 06:57:21.441 INFO [stderr] 13 | pub type Stack3<T1: Expr, T2: Expr, T3: Expr> = Stack<T1, Stack2<T2, T3>>;
Dec 18 06:57:21.441 INFO [stderr]    |                                         ^^^^
Dec 18 06:57:21.441 INFO [stderr]    |
Dec 18 06:57:21.441 INFO [stderr]    = help: the bound will not be checked when the type alias is used, and should be removed
Dec 18 06:57:21.441 INFO [stderr] 
Dec 18 06:57:21.441 INFO [stderr] warning: bounds on generic parameters are not enforced in type aliases
Dec 18 06:57:21.441 INFO [stderr]   --> src/env.rs:14:21
Dec 18 06:57:21.441 INFO [stderr]    |
Dec 18 06:57:21.441 INFO [stderr] 14 | pub type Stack4<T1: Expr, T2: Expr, T3: Expr, T4: Expr> = Stack<T1, Stack3<T2, T3, T4>>;
Dec 18 06:57:21.441 INFO [stderr]    |                     ^^^^
Dec 18 06:57:21.441 INFO [stderr]    |
Dec 18 06:57:21.441 INFO [stderr]    = help: the bound will not be checked when the type alias is used, and should be removed
Dec 18 06:57:21.441 INFO [stderr] 
Dec 18 06:57:21.441 INFO [stderr] warning: bounds on generic parameters are not enforced in type aliases
Dec 18 06:57:21.441 INFO [stderr]   --> src/env.rs:14:31
Dec 18 06:57:21.441 INFO [stderr]    |
Dec 18 06:57:21.441 INFO [stderr] 14 | pub type Stack4<T1: Expr, T2: Expr, T3: Expr, T4: Expr> = Stack<T1, Stack3<T2, T3, T4>>;
Dec 18 06:57:21.441 INFO [stderr]    |                               ^^^^
Dec 18 06:57:21.441 INFO [stderr]    |
Dec 18 06:57:21.441 INFO [stderr]    = help: the bound will not be checked when the type alias is used, and should be removed
Dec 18 06:57:21.441 INFO [stderr] 
Dec 18 06:57:21.441 INFO [stderr] warning: bounds on generic parameters are not enforced in type aliases
Dec 18 06:57:21.441 INFO [stderr]   --> src/env.rs:14:41
Dec 18 06:57:21.441 INFO [stderr]    |
Dec 18 06:57:21.442 INFO [stderr] 14 | pub type Stack4<T1: Expr, T2: Expr, T3: Expr, T4: Expr> = Stack<T1, Stack3<T2, T3, T4>>;
Dec 18 06:57:21.442 INFO [stderr]    |                                         ^^^^
Dec 18 06:57:21.442 INFO [stderr]    |
Dec 18 06:57:21.442 INFO [stderr]    = help: the bound will not be checked when the type alias is used, and should be removed
Dec 18 06:57:21.442 INFO [stderr] 
Dec 18 06:57:21.442 INFO [stderr] warning: bounds on generic parameters are not enforced in type aliases
Dec 18 06:57:21.442 INFO [stderr]   --> src/env.rs:14:51
Dec 18 06:57:21.442 INFO [stderr]    |
Dec 18 06:57:21.442 INFO [stderr] 14 | pub type Stack4<T1: Expr, T2: Expr, T3: Expr, T4: Expr> = Stack<T1, Stack3<T2, T3, T4>>;
Dec 18 06:57:21.442 INFO [stderr]    |                                                   ^^^^
Dec 18 06:57:21.442 INFO [stderr]    |
Dec 18 06:57:21.442 INFO [stderr]    = help: the bound will not be checked when the type alias is used, and should be removed
Dec 18 06:57:21.442 INFO [stderr] 
Dec 18 06:57:21.442 INFO [stderr] warning: type parameter `N1_O` should have a camel case name such as `N1O`
Dec 18 06:57:21.442 INFO [stderr]   --> src/user.rs:17:17
Dec 18 06:57:21.442 INFO [stderr]    |
Dec 18 06:57:21.442 INFO [stderr] 17 | impl <T1N: Num, N1_O: Num, N2_O: Num, NO: Num>Fun1<Number<Succ<Succ<T1N>>>> for Fib
Dec 18 06:57:21.442 INFO [stderr]    |                 ^^^^
Dec 18 06:57:21.442 INFO [stderr]    |
Dec 18 06:57:21.442 INFO [stderr]    = note: #[warn(non_camel_case_types)] on by default
Dec 18 06:57:21.442 INFO [stderr] 
Dec 18 06:57:21.442 INFO [stderr] warning: type parameter `N2_O` should have a camel case name such as `N2O`
Dec 18 06:57:21.442 INFO [stderr]   --> src/user.rs:17:28
Dec 18 06:57:21.442 INFO [stderr]    |
Dec 18 06:57:21.442 INFO [stderr] 17 | impl <T1N: Num, N1_O: Num, N2_O: Num, NO: Num>Fun1<Number<Succ<Succ<T1N>>>> for Fib
Dec 18 06:57:21.442 INFO [stderr]    |                            ^^^^
Dec 18 06:57:21.442 INFO [stderr] 
Dec 18 06:57:21.864 INFO [stderr] warning: unused import: `rustlisp::eval::*`
Dec 18 06:57:21.864 INFO [stderr]  --> src/main.rs:8:5
Dec 18 06:57:21.864 INFO [stderr]   |
Dec 18 06:57:21.864 INFO [stderr] 8 | use rustlisp::eval::*;
Dec 18 06:57:21.864 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 18 06:57:21.864 INFO [stderr]   |
Dec 18 06:57:21.864 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 06:57:21.864 INFO [stderr] 
Dec 18 06:57:21.881 INFO [stderr] warning: unused import: `rustlisp::symbol`
Dec 18 06:57:21.881 INFO [stderr]  --> src/main.rs:6:5
Dec 18 06:57:21.881 INFO [stderr]   |
Dec 18 06:57:21.881 INFO [stderr] 6 | use rustlisp::symbol::*;
Dec 18 06:57:21.881 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 18 06:57:21.881 INFO [stderr] 
Dec 18 06:57:21.948 INFO [stderr] warning: unused import: `rustlisp::eval::*`
Dec 18 06:57:21.948 INFO [stderr]  --> src/main.rs:8:5
Dec 18 06:57:21.948 INFO [stderr]   |
Dec 18 06:57:21.948 INFO [stderr] 8 | use rustlisp::eval::*;
Dec 18 06:57:21.948 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 18 06:57:21.948 INFO [stderr]   |
Dec 18 06:57:21.948 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 06:57:21.948 INFO [stderr] 
Dec 18 06:57:21.972 INFO [stderr] warning: unused import: `rustlisp::symbol`
Dec 18 06:57:21.972 INFO [stderr]  --> src/main.rs:6:5
Dec 18 06:57:21.972 INFO [stderr]   |
Dec 18 06:57:21.972 INFO [stderr] 6 | use rustlisp::symbol::*;
Dec 18 06:57:21.972 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 18 06:57:21.972 INFO [stderr] 
Dec 18 06:57:22.020 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
Dec 18 06:57:22.852 INFO running `"docker" "inspect" "9bcf6244dc146c5caf1a8e1235c6ad7726b9d6a83a282ca59a70330793ce1e4e"`
Dec 18 06:57:23.114 INFO running `"docker" "rm" "-f" "9bcf6244dc146c5caf1a8e1235c6ad7726b9d6a83a282ca59a70330793ce1e4e"`
Dec 18 06:57:23.400 INFO [stdout] 9bcf6244dc146c5caf1a8e1235c6ad7726b9d6a83a282ca59a70330793ce1e4e