[INFO] cloning repository https://github.com/ukitaka/min_region
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ukitaka/min_region" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fukitaka%2Fmin_region", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fukitaka%2Fmin_region'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] df7b190373970063c421af86f4166f43ef9fc9e9
[INFO] checking ukitaka/min_region against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fukitaka%2Fmin_region" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ukitaka/min_region on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ukitaka/min_region
[INFO] finished tweaking git repo https://github.com/ukitaka/min_region
[INFO] tweaked toml for git repo https://github.com/ukitaka/min_region written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/ukitaka/min_region already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31c6b9bc42f2a0dae9820721cdf6e0809e6b68a303a2d3addc8ab47d697efbc8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "31c6b9bc42f2a0dae9820721cdf6e0809e6b68a303a2d3addc8ab47d697efbc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31c6b9bc42f2a0dae9820721cdf6e0809e6b68a303a2d3addc8ab47d697efbc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31c6b9bc42f2a0dae9820721cdf6e0809e6b68a303a2d3addc8ab47d697efbc8", kill_on_drop: false }`
[INFO] [stdout] 31c6b9bc42f2a0dae9820721cdf6e0809e6b68a303a2d3addc8ab47d697efbc8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20ac9d9ff381a8f887deef443af4820d05608042e73c6a1e46ce1e9b65666071
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "20ac9d9ff381a8f887deef443af4820d05608042e73c6a1e46ce1e9b65666071", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking min_region v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]  --> src/codegen/llvm/generator.rs:6:23
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn generateInMain(expr: Expr) -> String {
[INFO] [stdout]   |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]  --> src/syntax/ast.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     name: String
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `region`
[INFO] [stdout]   --> src/syntax/ast.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     region: RegionVar,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `size`
[INFO] [stdout]   --> src/syntax/ast.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     size: RegionSize
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> src/syntax/ast.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     name: String
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]  --> src/codegen/llvm/generator.rs:6:23
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn generateInMain(expr: Expr) -> String {
[INFO] [stdout]   |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]  --> src/syntax/ast.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     name: String
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `region`
[INFO] [stdout]   --> src/syntax/ast.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     region: RegionVar,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `size`
[INFO] [stdout]   --> src/syntax/ast.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     size: RegionSize
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> src/syntax/ast.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     name: String
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `generateInMain` should have a snake case name
[INFO] [stdout]  --> src/codegen/llvm/generator.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn generateInMain(expr: Expr) -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `generate_in_main`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `generateInMain` should have a snake case name
[INFO] [stdout]  --> src/codegen/llvm/generator.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn generateInMain(expr: Expr) -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `generate_in_main`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]  --> src/codegen/llvm/generator.rs:6:23
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn generateInMain(expr: Expr) -> String {
[INFO] [stdout]   |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]  --> src/syntax/ast.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     name: String
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Finite`
[INFO] [stdout]  --> src/syntax/ast.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Finite(i32),
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Infinite`
[INFO] [stdout]  --> src/syntax/ast.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Infinite
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `AtTop`
[INFO] [stdout]   --> src/syntax/ast.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     AtTop(RegionVar),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `AtBot`
[INFO] [stdout]   --> src/syntax/ast.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     AtBot(RegionVar),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SAt`
[INFO] [stdout]   --> src/syntax/ast.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     SAt(RegionVar),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `region`
[INFO] [stdout]   --> src/syntax/ast.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     region: RegionVar,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `size`
[INFO] [stdout]   --> src/syntax/ast.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     size: RegionSize
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `True`
[INFO] [stdout]   --> src/syntax/ast.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     True,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `False`
[INFO] [stdout]   --> src/syntax/ast.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     False,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Number`
[INFO] [stdout]   --> src/syntax/ast.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     Number(i32)
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> src/syntax/ast.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     name: String
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Var`
[INFO] [stdout]   --> src/syntax/ast.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     Var(Var),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Pair`
[INFO] [stdout]   --> src/syntax/ast.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     Pair(Var, Var),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Cons`
[INFO] [stdout]   --> src/syntax/ast.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     Cons(Var, Var),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Var`
[INFO] [stdout]   --> src/syntax/ast.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     Var(Var),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Let`
[INFO] [stdout]   --> src/syntax/ast.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | /     Let {
[INFO] [stdout] 42 | |         pattern: Pattern,
[INFO] [stdout] 43 | |         expr: &'a Expr<'a>,
[INFO] [stdout] 44 | |         body: &'a Expr<'a>,
[INFO] [stdout] 45 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Pair`
[INFO] [stdout]   --> src/syntax/ast.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 | /     Pair {
[INFO] [stdout] 47 | |         fst: &'a Expr<'a>,
[INFO] [stdout] 48 | |         snd: &'a Expr<'a>,
[INFO] [stdout] 49 | |         at: AllocationPoint,
[INFO] [stdout] 50 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Cons`
[INFO] [stdout]   --> src/syntax/ast.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 | /     Cons {
[INFO] [stdout] 52 | |         head: &'a Expr<'a>,
[INFO] [stdout] 53 | |         tail: &'a Expr<'a>,
[INFO] [stdout] 54 | |         at: AllocationPoint,
[INFO] [stdout] 55 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Closure`
[INFO] [stdout]   --> src/syntax/ast.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | /     Closure {
[INFO] [stdout] 57 | |         var: Var,
[INFO] [stdout] 58 | |         expr: &'a Expr<'a>,
[INFO] [stdout] 59 | |         at: AllocationPoint,
[INFO] [stdout] 60 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Case`
[INFO] [stdout]   --> src/syntax/ast.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 | /     Case {
[INFO] [stdout] 62 | |         target: &'a Expr<'a>,
[INFO] [stdout] 63 | |         pattern1: Pattern,
[INFO] [stdout] 64 | |         body1: &'a Expr<'a>,
[INFO] [stdout] 65 | |         pattern2: Pattern,
[INFO] [stdout] 66 | |         body2: &'a Expr<'a>,
[INFO] [stdout] 67 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LetRec`
[INFO] [stdout]   --> src/syntax/ast.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 68 | /     LetRec {
[INFO] [stdout] 69 | |         name: String,
[INFO] [stdout] 70 | |         fr_params: Vec<BindingPoint>,
[INFO] [stdout] 71 | |         param: Var,
[INFO] [stdout] ...  |
[INFO] [stdout] 74 | |         expr: &'a Expr<'a>,
[INFO] [stdout] 75 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `App`
[INFO] [stdout]   --> src/syntax/ast.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 | /     App {
[INFO] [stdout] 77 | |         func_name: String,
[INFO] [stdout] 78 | |         ar_params: Vec<AllocationPoint>,
[INFO] [stdout] 79 | |         at: AllocationPoint,
[INFO] [stdout] 80 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LetRegion`
[INFO] [stdout]   --> src/syntax/ast.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 81 | /     LetRegion {
[INFO] [stdout] 82 | |         bindings: Vec<BindingPoint>,
[INFO] [stdout] 83 | |         expr: &'a Expr<'a>,
[INFO] [stdout] 84 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `generateInMain` should have a snake case name
[INFO] [stdout]  --> src/codegen/llvm/generator.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn generateInMain(expr: Expr) -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `generate_in_main`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]  --> src/codegen/llvm/generator.rs:6:23
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn generateInMain(expr: Expr) -> String {
[INFO] [stdout]   |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]  --> src/syntax/ast.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     name: String
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Finite`
[INFO] [stdout]  --> src/syntax/ast.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Finite(i32),
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Infinite`
[INFO] [stdout]  --> src/syntax/ast.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Infinite
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `AtTop`
[INFO] [stdout]   --> src/syntax/ast.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     AtTop(RegionVar),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `AtBot`
[INFO] [stdout]   --> src/syntax/ast.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     AtBot(RegionVar),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SAt`
[INFO] [stdout]   --> src/syntax/ast.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     SAt(RegionVar),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `region`
[INFO] [stdout]   --> src/syntax/ast.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     region: RegionVar,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `size`
[INFO] [stdout]   --> src/syntax/ast.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     size: RegionSize
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `True`
[INFO] [stdout]   --> src/syntax/ast.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     True,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `False`
[INFO] [stdout]   --> src/syntax/ast.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     False,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Number`
[INFO] [stdout]   --> src/syntax/ast.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     Number(i32)
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> src/syntax/ast.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     name: String
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Var`
[INFO] [stdout]   --> src/syntax/ast.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     Var(Var),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Pair`
[INFO] [stdout]   --> src/syntax/ast.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     Pair(Var, Var),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Cons`
[INFO] [stdout]   --> src/syntax/ast.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     Cons(Var, Var),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Var`
[INFO] [stdout]   --> src/syntax/ast.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     Var(Var),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Let`
[INFO] [stdout]   --> src/syntax/ast.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | /     Let {
[INFO] [stdout] 42 | |         pattern: Pattern,
[INFO] [stdout] 43 | |         expr: &'a Expr<'a>,
[INFO] [stdout] 44 | |         body: &'a Expr<'a>,
[INFO] [stdout] 45 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Pair`
[INFO] [stdout]   --> src/syntax/ast.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 | /     Pair {
[INFO] [stdout] 47 | |         fst: &'a Expr<'a>,
[INFO] [stdout] 48 | |         snd: &'a Expr<'a>,
[INFO] [stdout] 49 | |         at: AllocationPoint,
[INFO] [stdout] 50 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Cons`
[INFO] [stdout]   --> src/syntax/ast.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 | /     Cons {
[INFO] [stdout] 52 | |         head: &'a Expr<'a>,
[INFO] [stdout] 53 | |         tail: &'a Expr<'a>,
[INFO] [stdout] 54 | |         at: AllocationPoint,
[INFO] [stdout] 55 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Closure`
[INFO] [stdout]   --> src/syntax/ast.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | /     Closure {
[INFO] [stdout] 57 | |         var: Var,
[INFO] [stdout] 58 | |         expr: &'a Expr<'a>,
[INFO] [stdout] 59 | |         at: AllocationPoint,
[INFO] [stdout] 60 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Case`
[INFO] [stdout]   --> src/syntax/ast.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 | /     Case {
[INFO] [stdout] 62 | |         target: &'a Expr<'a>,
[INFO] [stdout] 63 | |         pattern1: Pattern,
[INFO] [stdout] 64 | |         body1: &'a Expr<'a>,
[INFO] [stdout] 65 | |         pattern2: Pattern,
[INFO] [stdout] 66 | |         body2: &'a Expr<'a>,
[INFO] [stdout] 67 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LetRec`
[INFO] [stdout]   --> src/syntax/ast.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 68 | /     LetRec {
[INFO] [stdout] 69 | |         name: String,
[INFO] [stdout] 70 | |         fr_params: Vec<BindingPoint>,
[INFO] [stdout] 71 | |         param: Var,
[INFO] [stdout] ...  |
[INFO] [stdout] 74 | |         expr: &'a Expr<'a>,
[INFO] [stdout] 75 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `App`
[INFO] [stdout]   --> src/syntax/ast.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 | /     App {
[INFO] [stdout] 77 | |         func_name: String,
[INFO] [stdout] 78 | |         ar_params: Vec<AllocationPoint>,
[INFO] [stdout] 79 | |         at: AllocationPoint,
[INFO] [stdout] 80 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LetRegion`
[INFO] [stdout]   --> src/syntax/ast.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 81 | /     LetRegion {
[INFO] [stdout] 82 | |         bindings: Vec<BindingPoint>,
[INFO] [stdout] 83 | |         expr: &'a Expr<'a>,
[INFO] [stdout] 84 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `generateInMain` should have a snake case name
[INFO] [stdout]  --> src/codegen/llvm/generator.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn generateInMain(expr: Expr) -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `generate_in_main`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.37s
[INFO] running `Command { std: "docker" "inspect" "20ac9d9ff381a8f887deef443af4820d05608042e73c6a1e46ce1e9b65666071", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20ac9d9ff381a8f887deef443af4820d05608042e73c6a1e46ce1e9b65666071", kill_on_drop: false }`
[INFO] [stdout] 20ac9d9ff381a8f887deef443af4820d05608042e73c6a1e46ce1e9b65666071