[INFO] cloning repository https://github.com/KeenS/rustlisp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KeenS/rustlisp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKeenS%2Frustlisp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKeenS%2Frustlisp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 682e52c77065c2161d293bcfdf32f3c1203a2e4c
[INFO] testing KeenS/rustlisp against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKeenS%2Frustlisp" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KeenS/rustlisp on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/KeenS/rustlisp
[INFO] finished tweaking git repo https://github.com/KeenS/rustlisp
[INFO] tweaked toml for git repo https://github.com/KeenS/rustlisp written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/KeenS/rustlisp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7feb237afe27600740de57af0b0470c51cdd01cc42d5187e6e085c5c32e366d9
[INFO] running `Command { std: "docker" "start" "-a" "7feb237afe27600740de57af0b0470c51cdd01cc42d5187e6e085c5c32e366d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7feb237afe27600740de57af0b0470c51cdd01cc42d5187e6e085c5c32e366d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7feb237afe27600740de57af0b0470c51cdd01cc42d5187e6e085c5c32e366d9", kill_on_drop: false }`
[INFO] [stdout] 7feb237afe27600740de57af0b0470c51cdd01cc42d5187e6e085c5c32e366d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32dad04d9290c373c03fa7af6a6b9a47cee92f6bed57d17c1192bf3ae1ef8b5d
[INFO] running `Command { std: "docker" "start" "-a" "32dad04d9290c373c03fa7af6a6b9a47cee92f6bed57d17c1192bf3ae1ef8b5d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rustlisp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]  --> src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]  --> src/expr.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]  --> src/eval.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `env::*`
[INFO] [stdout]  --> src/eval.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use env::*;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cons::*`
[INFO] [stdout]  --> src/eval.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use cons::*;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `expr::*`
[INFO] [stdout]  --> src/user.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use expr::*;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `eval::*`
[INFO] [stdout]  --> src/user.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use eval::*;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type parameter `N1_O` should have an upper camel case name
[INFO] [stdout]   --> src/user.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl <T1N: Num, N1_O: Num, N2_O: Num, NO: Num>Fun1<Number<Succ<Succ<T1N>>>> for Fib
[INFO] [stdout]    |                 ^^^^ help: convert the identifier to upper camel case: `N1O`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type parameter `N2_O` should have an upper camel case name
[INFO] [stdout]   --> src/user.rs:17:28
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl <T1N: Num, N1_O: Num, N2_O: Num, NO: Num>Fun1<Number<Succ<Succ<T1N>>>> for Fib
[INFO] [stdout]    |                            ^^^^ help: convert the identifier to upper camel case: `N2O`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stdout]   --> src/env.rs:11:21
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub type Stack1<T1: Expr> = Stack<T1, Bottom>;
[INFO] [stdout]    |                     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(type_alias_bounds)]` on by default
[INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub type Stack1<T1> = Stack<T1, Bottom>;
[INFO] [stdout]    |                  --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stdout]   --> src/env.rs:12:21
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub type Stack2<T1: Expr, T2: Expr> = Stack<T1, Stack1<T2>>;
[INFO] [stdout]    |                     ^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub type Stack2<T1, T2: Expr> = Stack<T1, Stack1<T2>>;
[INFO] [stdout]    |                  --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stdout]   --> src/env.rs:12:31
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub type Stack2<T1: Expr, T2: Expr> = Stack<T1, Stack1<T2>>;
[INFO] [stdout]    |                               ^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub type Stack2<T1: Expr, T2> = Stack<T1, Stack1<T2>>;
[INFO] [stdout]    |                            --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stdout]   --> src/env.rs:13:21
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub type Stack3<T1: Expr, T2: Expr, T3: Expr> = Stack<T1, Stack2<T2, T3>>;
[INFO] [stdout]    |                     ^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub type Stack3<T1, T2: Expr, T3: Expr> = Stack<T1, Stack2<T2, T3>>;
[INFO] [stdout]    |                  --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stdout]   --> src/env.rs:13:31
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub type Stack3<T1: Expr, T2: Expr, T3: Expr> = Stack<T1, Stack2<T2, T3>>;
[INFO] [stdout]    |                               ^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub type Stack3<T1: Expr, T2, T3: Expr> = Stack<T1, Stack2<T2, T3>>;
[INFO] [stdout]    |                            --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stdout]   --> src/env.rs:13:41
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub type Stack3<T1: Expr, T2: Expr, T3: Expr> = Stack<T1, Stack2<T2, T3>>;
[INFO] [stdout]    |                                         ^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub type Stack3<T1: Expr, T2: Expr, T3> = Stack<T1, Stack2<T2, T3>>;
[INFO] [stdout]    |                                      --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stdout]   --> src/env.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub type Stack4<T1: Expr, T2: Expr, T3: Expr, T4: Expr> = Stack<T1, Stack3<T2, T3, T4>>;
[INFO] [stdout]    |                     ^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub type Stack4<T1, T2: Expr, T3: Expr, T4: Expr> = Stack<T1, Stack3<T2, T3, T4>>;
[INFO] [stdout]    |                  --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stdout]   --> src/env.rs:14:31
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub type Stack4<T1: Expr, T2: Expr, T3: Expr, T4: Expr> = Stack<T1, Stack3<T2, T3, T4>>;
[INFO] [stdout]    |                               ^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub type Stack4<T1: Expr, T2, T3: Expr, T4: Expr> = Stack<T1, Stack3<T2, T3, T4>>;
[INFO] [stdout]    |                            --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stdout]   --> src/env.rs:14:41
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub type Stack4<T1: Expr, T2: Expr, T3: Expr, T4: Expr> = Stack<T1, Stack3<T2, T3, T4>>;
[INFO] [stdout]    |                                         ^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub type Stack4<T1: Expr, T2: Expr, T3, T4: Expr> = Stack<T1, Stack3<T2, T3, T4>>;
[INFO] [stdout]    |                                      --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stdout]   --> src/env.rs:14:51
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub type Stack4<T1: Expr, T2: Expr, T3: Expr, T4: Expr> = Stack<T1, Stack3<T2, T3, T4>>;
[INFO] [stdout]    |                                                   ^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub type Stack4<T1: Expr, T2: Expr, T3: Expr, T4> = Stack<T1, Stack3<T2, T3, T4>>;
[INFO] [stdout]    |                                                --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rustlisp::eval::*`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use rustlisp::eval::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rustlisp::symbol`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rustlisp::symbol::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "32dad04d9290c373c03fa7af6a6b9a47cee92f6bed57d17c1192bf3ae1ef8b5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32dad04d9290c373c03fa7af6a6b9a47cee92f6bed57d17c1192bf3ae1ef8b5d", kill_on_drop: false }`
[INFO] [stdout] 32dad04d9290c373c03fa7af6a6b9a47cee92f6bed57d17c1192bf3ae1ef8b5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6fa4f35696b68a89325a1332651c8c9383ce19918c5e8801ff97996e1f04774a
[INFO] running `Command { std: "docker" "start" "-a" "6fa4f35696b68a89325a1332651c8c9383ce19918c5e8801ff97996e1f04774a", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]  --> src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rustlisp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]  --> src/expr.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]  --> src/eval.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `env::*`
[INFO] [stdout]  --> src/eval.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use env::*;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cons::*`
[INFO] [stdout]  --> src/eval.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use cons::*;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `expr::*`
[INFO] [stdout]  --> src/user.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use expr::*;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `eval::*`
[INFO] [stdout]  --> src/user.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use eval::*;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type parameter `N1_O` should have an upper camel case name
[INFO] [stdout]   --> src/user.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl <T1N: Num, N1_O: Num, N2_O: Num, NO: Num>Fun1<Number<Succ<Succ<T1N>>>> for Fib
[INFO] [stdout]    |                 ^^^^ help: convert the identifier to upper camel case: `N1O`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type parameter `N2_O` should have an upper camel case name
[INFO] [stdout]   --> src/user.rs:17:28
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl <T1N: Num, N1_O: Num, N2_O: Num, NO: Num>Fun1<Number<Succ<Succ<T1N>>>> for Fib
[INFO] [stdout]    |                            ^^^^ help: convert the identifier to upper camel case: `N2O`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stdout]   --> src/env.rs:11:21
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub type Stack1<T1: Expr> = Stack<T1, Bottom>;
[INFO] [stdout]    |                     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(type_alias_bounds)]` on by default
[INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub type Stack1<T1> = Stack<T1, Bottom>;
[INFO] [stdout]    |                  --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stdout]   --> src/env.rs:12:21
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub type Stack2<T1: Expr, T2: Expr> = Stack<T1, Stack1<T2>>;
[INFO] [stdout]    |                     ^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub type Stack2<T1, T2: Expr> = Stack<T1, Stack1<T2>>;
[INFO] [stdout]    |                  --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stdout]   --> src/env.rs:12:31
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub type Stack2<T1: Expr, T2: Expr> = Stack<T1, Stack1<T2>>;
[INFO] [stdout]    |                               ^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub type Stack2<T1: Expr, T2> = Stack<T1, Stack1<T2>>;
[INFO] [stdout]    |                            --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stdout]   --> src/env.rs:13:21
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub type Stack3<T1: Expr, T2: Expr, T3: Expr> = Stack<T1, Stack2<T2, T3>>;
[INFO] [stdout]    |                     ^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub type Stack3<T1, T2: Expr, T3: Expr> = Stack<T1, Stack2<T2, T3>>;
[INFO] [stdout]    |                  --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stdout]   --> src/env.rs:13:31
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub type Stack3<T1: Expr, T2: Expr, T3: Expr> = Stack<T1, Stack2<T2, T3>>;
[INFO] [stdout]    |                               ^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub type Stack3<T1: Expr, T2, T3: Expr> = Stack<T1, Stack2<T2, T3>>;
[INFO] [stdout]    |                            --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stdout]   --> src/env.rs:13:41
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub type Stack3<T1: Expr, T2: Expr, T3: Expr> = Stack<T1, Stack2<T2, T3>>;
[INFO] [stdout]    |                                         ^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub type Stack3<T1: Expr, T2: Expr, T3> = Stack<T1, Stack2<T2, T3>>;
[INFO] [stdout]    |                                      --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stdout]   --> src/env.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub type Stack4<T1: Expr, T2: Expr, T3: Expr, T4: Expr> = Stack<T1, Stack3<T2, T3, T4>>;
[INFO] [stdout]    |                     ^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub type Stack4<T1, T2: Expr, T3: Expr, T4: Expr> = Stack<T1, Stack3<T2, T3, T4>>;
[INFO] [stdout]    |                  --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stdout]   --> src/env.rs:14:31
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub type Stack4<T1: Expr, T2: Expr, T3: Expr, T4: Expr> = Stack<T1, Stack3<T2, T3, T4>>;
[INFO] [stdout]    |                               ^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub type Stack4<T1: Expr, T2, T3: Expr, T4: Expr> = Stack<T1, Stack3<T2, T3, T4>>;
[INFO] [stdout]    |                            --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stdout]   --> src/env.rs:14:41
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub type Stack4<T1: Expr, T2: Expr, T3: Expr, T4: Expr> = Stack<T1, Stack3<T2, T3, T4>>;
[INFO] [stdout]    |                                         ^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub type Stack4<T1: Expr, T2: Expr, T3, T4: Expr> = Stack<T1, Stack3<T2, T3, T4>>;
[INFO] [stdout]    |                                      --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stdout]   --> src/env.rs:14:51
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub type Stack4<T1: Expr, T2: Expr, T3: Expr, T4: Expr> = Stack<T1, Stack3<T2, T3, T4>>;
[INFO] [stdout]    |                                                   ^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub type Stack4<T1: Expr, T2: Expr, T3: Expr, T4> = Stack<T1, Stack3<T2, T3, T4>>;
[INFO] [stdout]    |                                                --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]  --> src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]  --> src/expr.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]  --> src/eval.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `env::*`
[INFO] [stdout]  --> src/eval.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use env::*;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cons::*`
[INFO] [stdout]  --> src/eval.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use cons::*;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `expr::*`
[INFO] [stdout]  --> src/user.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use expr::*;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `eval::*`
[INFO] [stdout]  --> src/user.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use eval::*;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type parameter `N1_O` should have an upper camel case name
[INFO] [stdout]   --> src/user.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl <T1N: Num, N1_O: Num, N2_O: Num, NO: Num>Fun1<Number<Succ<Succ<T1N>>>> for Fib
[INFO] [stdout]    |                 ^^^^ help: convert the identifier to upper camel case: `N1O`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type parameter `N2_O` should have an upper camel case name
[INFO] [stdout]   --> src/user.rs:17:28
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl <T1N: Num, N1_O: Num, N2_O: Num, NO: Num>Fun1<Number<Succ<Succ<T1N>>>> for Fib
[INFO] [stdout]    |                            ^^^^ help: convert the identifier to upper camel case: `N2O`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rustlisp::eval::*`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use rustlisp::eval::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rustlisp::symbol`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rustlisp::symbol::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stdout]   --> src/env.rs:11:21
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub type Stack1<T1: Expr> = Stack<T1, Bottom>;
[INFO] [stdout]    |                     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(type_alias_bounds)]` on by default
[INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub type Stack1<T1> = Stack<T1, Bottom>;
[INFO] [stdout]    |                  --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stdout]   --> src/env.rs:12:21
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub type Stack2<T1: Expr, T2: Expr> = Stack<T1, Stack1<T2>>;
[INFO] [stdout]    |                     ^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub type Stack2<T1, T2: Expr> = Stack<T1, Stack1<T2>>;
[INFO] [stdout]    |                  --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stdout]   --> src/env.rs:12:31
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub type Stack2<T1: Expr, T2: Expr> = Stack<T1, Stack1<T2>>;
[INFO] [stdout]    |                               ^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub type Stack2<T1: Expr, T2> = Stack<T1, Stack1<T2>>;
[INFO] [stdout]    |                            --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stdout]   --> src/env.rs:13:21
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub type Stack3<T1: Expr, T2: Expr, T3: Expr> = Stack<T1, Stack2<T2, T3>>;
[INFO] [stdout]    |                     ^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub type Stack3<T1, T2: Expr, T3: Expr> = Stack<T1, Stack2<T2, T3>>;
[INFO] [stdout]    |                  --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stdout]   --> src/env.rs:13:31
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub type Stack3<T1: Expr, T2: Expr, T3: Expr> = Stack<T1, Stack2<T2, T3>>;
[INFO] [stdout]    |                               ^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub type Stack3<T1: Expr, T2, T3: Expr> = Stack<T1, Stack2<T2, T3>>;
[INFO] [stdout]    |                            --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stdout]   --> src/env.rs:13:41
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub type Stack3<T1: Expr, T2: Expr, T3: Expr> = Stack<T1, Stack2<T2, T3>>;
[INFO] [stdout]    |                                         ^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub type Stack3<T1: Expr, T2: Expr, T3> = Stack<T1, Stack2<T2, T3>>;
[INFO] [stdout]    |                                      --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stdout]   --> src/env.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub type Stack4<T1: Expr, T2: Expr, T3: Expr, T4: Expr> = Stack<T1, Stack3<T2, T3, T4>>;
[INFO] [stdout]    |                     ^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub type Stack4<T1, T2: Expr, T3: Expr, T4: Expr> = Stack<T1, Stack3<T2, T3, T4>>;
[INFO] [stdout]    |                  --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stdout]   --> src/env.rs:14:31
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub type Stack4<T1: Expr, T2: Expr, T3: Expr, T4: Expr> = Stack<T1, Stack3<T2, T3, T4>>;
[INFO] [stdout]    |                               ^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub type Stack4<T1: Expr, T2, T3: Expr, T4: Expr> = Stack<T1, Stack3<T2, T3, T4>>;
[INFO] [stdout]    |                            --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stdout]   --> src/env.rs:14:41
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub type Stack4<T1: Expr, T2: Expr, T3: Expr, T4: Expr> = Stack<T1, Stack3<T2, T3, T4>>;
[INFO] [stdout]    |                                         ^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub type Stack4<T1: Expr, T2: Expr, T3, T4: Expr> = Stack<T1, Stack3<T2, T3, T4>>;
[INFO] [stdout]    |                                      --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stdout]   --> src/env.rs:14:51
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub type Stack4<T1: Expr, T2: Expr, T3: Expr, T4: Expr> = Stack<T1, Stack3<T2, T3, T4>>;
[INFO] [stdout]    |                                                   ^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub type Stack4<T1: Expr, T2: Expr, T3: Expr, T4> = Stack<T1, Stack3<T2, T3, T4>>;
[INFO] [stdout]    |                                                --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "6fa4f35696b68a89325a1332651c8c9383ce19918c5e8801ff97996e1f04774a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fa4f35696b68a89325a1332651c8c9383ce19918c5e8801ff97996e1f04774a", kill_on_drop: false }`
[INFO] [stdout] 6fa4f35696b68a89325a1332651c8c9383ce19918c5e8801ff97996e1f04774a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 34e7fded3212f71ea2d9759120e3bfa1a9b95c83fac5ccda490af6106aa5f4f9
[INFO] running `Command { std: "docker" "start" "-a" "34e7fded3212f71ea2d9759120e3bfa1a9b95c83fac5ccda490af6106aa5f4f9", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::marker::PhantomData`
[INFO] [stderr]  --> src/lib.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::marker::PhantomData;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::marker::PhantomData`
[INFO] [stderr]  --> src/expr.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::marker::PhantomData;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::marker::PhantomData`
[INFO] [stderr]  --> src/eval.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::marker::PhantomData;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `env::*`
[INFO] [stderr]  --> src/eval.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use env::*;
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `cons::*`
[INFO] [stderr]  --> src/eval.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use cons::*;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `expr::*`
[INFO] [stderr]  --> src/user.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use expr::*;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `eval::*`
[INFO] [stderr]  --> src/user.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use eval::*;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type parameter `N1_O` should have an upper camel case name
[INFO] [stderr]   --> src/user.rs:17:17
[INFO] [stderr]    |
[INFO] [stderr] 17 | impl <T1N: Num, N1_O: Num, N2_O: Num, NO: Num>Fun1<Number<Succ<Succ<T1N>>>> for Fib
[INFO] [stderr]    |                 ^^^^ help: convert the identifier to upper camel case: `N1O`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type parameter `N2_O` should have an upper camel case name
[INFO] [stderr]   --> src/user.rs:17:28
[INFO] [stderr]    |
[INFO] [stderr] 17 | impl <T1N: Num, N1_O: Num, N2_O: Num, NO: Num>Fun1<Number<Succ<Succ<T1N>>>> for Fib
[INFO] [stderr]    |                            ^^^^ help: convert the identifier to upper camel case: `N2O`
[INFO] [stderr] 
[INFO] [stderr] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stderr]   --> src/env.rs:11:21
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub type Stack1<T1: Expr> = Stack<T1, Bottom>;
[INFO] [stderr]    |                     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(type_alias_bounds)]` on by default
[INFO] [stderr] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub type Stack1<T1> = Stack<T1, Bottom>;
[INFO] [stderr]    |                  --
[INFO] [stderr] 
[INFO] [stderr] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stderr]   --> src/env.rs:12:21
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub type Stack2<T1: Expr, T2: Expr> = Stack<T1, Stack1<T2>>;
[INFO] [stderr]    |                     ^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub type Stack2<T1, T2: Expr> = Stack<T1, Stack1<T2>>;
[INFO] [stderr]    |                  --
[INFO] [stderr] 
[INFO] [stderr] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stderr]   --> src/env.rs:12:31
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub type Stack2<T1: Expr, T2: Expr> = Stack<T1, Stack1<T2>>;
[INFO] [stderr]    |                               ^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub type Stack2<T1: Expr, T2> = Stack<T1, Stack1<T2>>;
[INFO] [stderr]    |                            --
[INFO] [stderr] 
[INFO] [stderr] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stderr]   --> src/env.rs:13:21
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub type Stack3<T1: Expr, T2: Expr, T3: Expr> = Stack<T1, Stack2<T2, T3>>;
[INFO] [stderr]    |                     ^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub type Stack3<T1, T2: Expr, T3: Expr> = Stack<T1, Stack2<T2, T3>>;
[INFO] [stderr]    |                  --
[INFO] [stderr] 
[INFO] [stderr] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stderr]   --> src/env.rs:13:31
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub type Stack3<T1: Expr, T2: Expr, T3: Expr> = Stack<T1, Stack2<T2, T3>>;
[INFO] [stderr]    |                               ^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub type Stack3<T1: Expr, T2, T3: Expr> = Stack<T1, Stack2<T2, T3>>;
[INFO] [stderr]    |                            --
[INFO] [stderr] 
[INFO] [stderr] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stderr]   --> src/env.rs:13:41
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub type Stack3<T1: Expr, T2: Expr, T3: Expr> = Stack<T1, Stack2<T2, T3>>;
[INFO] [stderr]    |                                         ^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub type Stack3<T1: Expr, T2: Expr, T3> = Stack<T1, Stack2<T2, T3>>;
[INFO] [stderr]    |                                      --
[INFO] [stderr] 
[INFO] [stderr] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stderr]   --> src/env.rs:14:21
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub type Stack4<T1: Expr, T2: Expr, T3: Expr, T4: Expr> = Stack<T1, Stack3<T2, T3, T4>>;
[INFO] [stderr]    |                     ^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub type Stack4<T1, T2: Expr, T3: Expr, T4: Expr> = Stack<T1, Stack3<T2, T3, T4>>;
[INFO] [stderr]    |                  --
[INFO] [stderr] 
[INFO] [stderr] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stderr]   --> src/env.rs:14:31
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub type Stack4<T1: Expr, T2: Expr, T3: Expr, T4: Expr> = Stack<T1, Stack3<T2, T3, T4>>;
[INFO] [stderr]    |                               ^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub type Stack4<T1: Expr, T2, T3: Expr, T4: Expr> = Stack<T1, Stack3<T2, T3, T4>>;
[INFO] [stderr]    |                            --
[INFO] [stderr] 
[INFO] [stderr] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stderr]   --> src/env.rs:14:41
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub type Stack4<T1: Expr, T2: Expr, T3: Expr, T4: Expr> = Stack<T1, Stack3<T2, T3, T4>>;
[INFO] [stderr]    |                                         ^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub type Stack4<T1: Expr, T2: Expr, T3, T4: Expr> = Stack<T1, Stack3<T2, T3, T4>>;
[INFO] [stderr]    |                                      --
[INFO] [stderr] 
[INFO] [stderr] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stderr]   --> src/env.rs:14:51
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub type Stack4<T1: Expr, T2: Expr, T3: Expr, T4: Expr> = Stack<T1, Stack3<T2, T3, T4>>;
[INFO] [stderr]    |                                                   ^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub type Stack4<T1: Expr, T2: Expr, T3: Expr, T4> = Stack<T1, Stack3<T2, T3, T4>>;
[INFO] [stderr]    |                                                --
[INFO] [stderr] 
[INFO] [stderr] warning: 19 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::marker::PhantomData`
[INFO] [stderr]  --> src/lib.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::marker::PhantomData;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::marker::PhantomData`
[INFO] [stderr]  --> src/expr.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::marker::PhantomData;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::marker::PhantomData`
[INFO] [stderr]  --> src/eval.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::marker::PhantomData;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `env::*`
[INFO] [stderr]  --> src/eval.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use env::*;
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `cons::*`
[INFO] [stderr]  --> src/eval.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use cons::*;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `expr::*`
[INFO] [stderr]  --> src/user.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use expr::*;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `eval::*`
[INFO] [stderr]  --> src/user.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use eval::*;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type parameter `N1_O` should have an upper camel case name
[INFO] [stderr]   --> src/user.rs:17:17
[INFO] [stderr]    |
[INFO] [stderr] 17 | impl <T1N: Num, N1_O: Num, N2_O: Num, NO: Num>Fun1<Number<Succ<Succ<T1N>>>> for Fib
[INFO] [stderr]    |                 ^^^^ help: convert the identifier to upper camel case: `N1O`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type parameter `N2_O` should have an upper camel case name
[INFO] [stderr]   --> src/user.rs:17:28
[INFO] [stderr]    |
[INFO] [stderr] 17 | impl <T1N: Num, N1_O: Num, N2_O: Num, NO: Num>Fun1<Number<Succ<Succ<T1N>>>> for Fib
[INFO] [stderr]    |                            ^^^^ help: convert the identifier to upper camel case: `N2O`
[INFO] [stderr] 
[INFO] [stderr] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stderr]   --> src/env.rs:11:21
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub type Stack1<T1: Expr> = Stack<T1, Bottom>;
[INFO] [stderr]    |                     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(type_alias_bounds)]` on by default
[INFO] [stderr] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub type Stack1<T1> = Stack<T1, Bottom>;
[INFO] [stderr]    |                  --
[INFO] [stderr] 
[INFO] [stderr] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stderr]   --> src/env.rs:12:21
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub type Stack2<T1: Expr, T2: Expr> = Stack<T1, Stack1<T2>>;
[INFO] [stderr]    |                     ^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub type Stack2<T1, T2: Expr> = Stack<T1, Stack1<T2>>;
[INFO] [stderr]    |                  --
[INFO] [stderr] 
[INFO] [stderr] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stderr]   --> src/env.rs:12:31
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub type Stack2<T1: Expr, T2: Expr> = Stack<T1, Stack1<T2>>;
[INFO] [stderr]    |                               ^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub type Stack2<T1: Expr, T2> = Stack<T1, Stack1<T2>>;
[INFO] [stderr]    |                            --
[INFO] [stderr] 
[INFO] [stderr] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stderr]   --> src/env.rs:13:21
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub type Stack3<T1: Expr, T2: Expr, T3: Expr> = Stack<T1, Stack2<T2, T3>>;
[INFO] [stderr]    |                     ^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub type Stack3<T1, T2: Expr, T3: Expr> = Stack<T1, Stack2<T2, T3>>;
[INFO] [stderr]    |                  --
[INFO] [stderr] 
[INFO] [stderr] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stderr]   --> src/env.rs:13:31
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub type Stack3<T1: Expr, T2: Expr, T3: Expr> = Stack<T1, Stack2<T2, T3>>;
[INFO] [stderr]    |                               ^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub type Stack3<T1: Expr, T2, T3: Expr> = Stack<T1, Stack2<T2, T3>>;
[INFO] [stderr]    |                            --
[INFO] [stderr] 
[INFO] [stderr] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stderr]   --> src/env.rs:13:41
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub type Stack3<T1: Expr, T2: Expr, T3: Expr> = Stack<T1, Stack2<T2, T3>>;
[INFO] [stderr]    |                                         ^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub type Stack3<T1: Expr, T2: Expr, T3> = Stack<T1, Stack2<T2, T3>>;
[INFO] [stderr]    |                                      --
[INFO] [stderr] 
[INFO] [stderr] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stderr]   --> src/env.rs:14:21
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub type Stack4<T1: Expr, T2: Expr, T3: Expr, T4: Expr> = Stack<T1, Stack3<T2, T3, T4>>;
[INFO] [stderr]    |                     ^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub type Stack4<T1, T2: Expr, T3: Expr, T4: Expr> = Stack<T1, Stack3<T2, T3, T4>>;
[INFO] [stderr]    |                  --
[INFO] [stderr] 
[INFO] [stderr] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stderr]   --> src/env.rs:14:31
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub type Stack4<T1: Expr, T2: Expr, T3: Expr, T4: Expr> = Stack<T1, Stack3<T2, T3, T4>>;
[INFO] [stderr]    |                               ^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub type Stack4<T1: Expr, T2, T3: Expr, T4: Expr> = Stack<T1, Stack3<T2, T3, T4>>;
[INFO] [stderr]    |                            --
[INFO] [stderr] 
[INFO] [stderr] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stderr]   --> src/env.rs:14:41
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub type Stack4<T1: Expr, T2: Expr, T3: Expr, T4: Expr> = Stack<T1, Stack3<T2, T3, T4>>;
[INFO] [stderr]    |                                         ^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub type Stack4<T1: Expr, T2: Expr, T3, T4: Expr> = Stack<T1, Stack3<T2, T3, T4>>;
[INFO] [stderr]    |                                      --
[INFO] [stderr] 
[INFO] [stderr] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stderr]   --> src/env.rs:14:51
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub type Stack4<T1: Expr, T2: Expr, T3: Expr, T4: Expr> = Stack<T1, Stack3<T2, T3, T4>>;
[INFO] [stderr]    |                                                   ^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub type Stack4<T1: Expr, T2: Expr, T3: Expr, T4> = Stack<T1, Stack3<T2, T3, T4>>;
[INFO] [stderr]    |                                                --
[INFO] [stderr] 
[INFO] [stderr] warning: 19 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rustlisp::eval::*`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use rustlisp::eval::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rustlisp::symbol`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use rustlisp::symbol::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustlisp-0eb0df545a6fb920)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustlisp-a4efefa331eadd96)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rustlisp
[INFO] [stderr] warning: type parameter `N1_O` should have an upper camel case name
[INFO] [stderr]   --> /opt/rustwide/workdir/src/user.rs:17:17
[INFO] [stderr]    |
[INFO] [stderr] 17 | impl <T1N: Num, N1_O: Num, N2_O: Num, NO: Num>Fun1<Number<Succ<Succ<T1N>>>> for Fib
[INFO] [stderr]    |                 ^^^^ help: convert the identifier to upper camel case: `N1O`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type parameter `N2_O` should have an upper camel case name
[INFO] [stderr]   --> /opt/rustwide/workdir/src/user.rs:17:28
[INFO] [stderr]    |
[INFO] [stderr] 17 | impl <T1N: Num, N1_O: Num, N2_O: Num, NO: Num>Fun1<Number<Succ<Succ<T1N>>>> for Fib
[INFO] [stderr]    |                            ^^^^ help: convert the identifier to upper camel case: `N2O`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "34e7fded3212f71ea2d9759120e3bfa1a9b95c83fac5ccda490af6106aa5f4f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34e7fded3212f71ea2d9759120e3bfa1a9b95c83fac5ccda490af6106aa5f4f9", kill_on_drop: false }`
[INFO] [stdout] 34e7fded3212f71ea2d9759120e3bfa1a9b95c83fac5ccda490af6106aa5f4f9