[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 try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fukitaka%2Fmin_region" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[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-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ukitaka/min_region on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ukitaka/min_region already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking ukitaka/min_region against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fukitaka%2Fmin_region" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[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-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ukitaka/min_region on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ukitaka/min_region already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8827a475d114314d32f56ccddac19d910c277730a4ae609f742c20a17625ba80
[INFO] running `Command { std: "docker" "start" "-a" "8827a475d114314d32f56ccddac19d910c277730a4ae609f742c20a17625ba80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8827a475d114314d32f56ccddac19d910c277730a4ae609f742c20a17625ba80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8827a475d114314d32f56ccddac19d910c277730a4ae609f742c20a17625ba80", kill_on_drop: false }`
[INFO] [stdout] 8827a475d114314d32f56ccddac19d910c277730a4ae609f742c20a17625ba80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cfbff036bbb7c26f694c8269b231a2cb7e8a4f0d9586f909849785d94f06f5dd
[INFO] running `Command { std: "docker" "start" "-a" "cfbff036bbb7c26f694c8269b231a2cb7e8a4f0d9586f909849785d94f06f5dd", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[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: 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 `name` is never read
[INFO] [stdout]  --> src/syntax/ast.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct RegionVar {
[INFO] [stdout]   |            --------- field in this struct
[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: fields `region` and `size` are never read
[INFO] [stdout]   --> src/syntax/ast.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct BindingPoint {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 17 |     region: RegionVar,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 18 |     size: RegionSize
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/syntax/ast.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct Var {
[INFO] [stdout]    |            --- field in this struct
[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: field `name` is never read
[INFO] [stdout]  --> src/syntax/ast.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct RegionVar {
[INFO] [stdout]   |            --------- field in this struct
[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: fields `region` and `size` are never read
[INFO] [stdout]   --> src/syntax/ast.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct BindingPoint {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 17 |     region: RegionVar,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 18 |     size: RegionSize
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/syntax/ast.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct Var {
[INFO] [stdout]    |            --- field in this struct
[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: 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: 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 `name` is never read
[INFO] [stdout]  --> src/syntax/ast.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct RegionVar {
[INFO] [stdout]   |            --------- field in this struct
[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 `name` is never read
[INFO] [stdout]  --> src/syntax/ast.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct RegionVar {
[INFO] [stdout]   |            --------- field in this struct
[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: variants `Finite` and `Infinite` are never constructed
[INFO] [stdout]  --> src/syntax/ast.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum RegionSize {
[INFO] [stdout]   |          ---------- variants in this enum
[INFO] [stdout] 6 |     Finite(i32),
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 7 |     Infinite
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `AtTop`, `AtBot`, and `SAt` are never constructed
[INFO] [stdout]   --> src/syntax/ast.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub enum AllocationPoint {
[INFO] [stdout]    |          --------------- variants in this enum
[INFO] [stdout] 11 |     AtTop(RegionVar),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 12 |     AtBot(RegionVar),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 13 |     SAt(RegionVar),
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `region` and `size` are never read
[INFO] [stdout]   --> src/syntax/ast.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct BindingPoint {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 17 |     region: RegionVar,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 18 |     size: RegionSize
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `True`, `False`, and `Number` are never constructed
[INFO] [stdout]   --> src/syntax/ast.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub enum Constant {
[INFO] [stdout]    |          -------- variants in this enum
[INFO] [stdout] 22 |     Nil,
[INFO] [stdout] 23 |     True,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 24 |     False,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 25 |     Number(i32)
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/syntax/ast.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct Var {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] 29 |     name: String
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Var`, `Pair`, and `Cons` are never constructed
[INFO] [stdout]   --> src/syntax/ast.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub enum Pattern {
[INFO] [stdout]    |          ------- variants in this enum
[INFO] [stdout] 33 |     Var(Var),
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 34 |     Pair(Var, Var),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 35 |     Cons(Var, Var),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/syntax/ast.rs:39:11
[INFO] [stdout]    |
[INFO] [stdout] 39 |     Const(Constant),
[INFO] [stdout]    |     ----- ^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 39 -     Const(Constant),
[INFO] [stdout] 39 +     Const(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/syntax/ast.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub enum Expr<'a> {
[INFO] [stdout]    |          ---- variants in this enum
[INFO] [stdout] 39 |     Const(Constant),
[INFO] [stdout] 40 |     Var(Var),
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 41 |     Let {
[INFO] [stdout]    |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     Pair {
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     Cons {
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     Closure {
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     Case {
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     LetRec {
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |     App {
[INFO] [stdout]    |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 81 |     LetRegion {
[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: variants `Finite` and `Infinite` are never constructed
[INFO] [stdout]  --> src/syntax/ast.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum RegionSize {
[INFO] [stdout]   |          ---------- variants in this enum
[INFO] [stdout] 6 |     Finite(i32),
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 7 |     Infinite
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `AtTop`, `AtBot`, and `SAt` are never constructed
[INFO] [stdout]   --> src/syntax/ast.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub enum AllocationPoint {
[INFO] [stdout]    |          --------------- variants in this enum
[INFO] [stdout] 11 |     AtTop(RegionVar),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 12 |     AtBot(RegionVar),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 13 |     SAt(RegionVar),
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `region` and `size` are never read
[INFO] [stdout]   --> src/syntax/ast.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct BindingPoint {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 17 |     region: RegionVar,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 18 |     size: RegionSize
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `True`, `False`, and `Number` are never constructed
[INFO] [stdout]   --> src/syntax/ast.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub enum Constant {
[INFO] [stdout]    |          -------- variants in this enum
[INFO] [stdout] 22 |     Nil,
[INFO] [stdout] 23 |     True,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 24 |     False,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 25 |     Number(i32)
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/syntax/ast.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct Var {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] 29 |     name: String
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Var`, `Pair`, and `Cons` are never constructed
[INFO] [stdout]   --> src/syntax/ast.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub enum Pattern {
[INFO] [stdout]    |          ------- variants in this enum
[INFO] [stdout] 33 |     Var(Var),
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 34 |     Pair(Var, Var),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 35 |     Cons(Var, Var),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/syntax/ast.rs:39:11
[INFO] [stdout]    |
[INFO] [stdout] 39 |     Const(Constant),
[INFO] [stdout]    |     ----- ^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 39 -     Const(Constant),
[INFO] [stdout] 39 +     Const(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/syntax/ast.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub enum Expr<'a> {
[INFO] [stdout]    |          ---- variants in this enum
[INFO] [stdout] 39 |     Const(Constant),
[INFO] [stdout] 40 |     Var(Var),
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 41 |     Let {
[INFO] [stdout]    |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     Pair {
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     Cons {
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     Closure {
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     Case {
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     LetRec {
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |     App {
[INFO] [stdout]    |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 81 |     LetRegion {
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "cfbff036bbb7c26f694c8269b231a2cb7e8a4f0d9586f909849785d94f06f5dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfbff036bbb7c26f694c8269b231a2cb7e8a4f0d9586f909849785d94f06f5dd", kill_on_drop: false }`
[INFO] [stdout] cfbff036bbb7c26f694c8269b231a2cb7e8a4f0d9586f909849785d94f06f5dd
