[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] testing ukitaka/min_region against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fukitaka%2Fmin_region" "/workspace/builds/worker-56/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-56/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ukitaka/min_region on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-56/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" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 87df6e046b93ee028fd885eab9c71a7afb0ad569341d86885460ed203646b131
[INFO] running `Command { std: "docker" "start" "-a" "87df6e046b93ee028fd885eab9c71a7afb0ad569341d86885460ed203646b131", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87df6e046b93ee028fd885eab9c71a7afb0ad569341d86885460ed203646b131", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87df6e046b93ee028fd885eab9c71a7afb0ad569341d86885460ed203646b131", kill_on_drop: false }`
[INFO] [stdout] 87df6e046b93ee028fd885eab9c71a7afb0ad569341d86885460ed203646b131
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d5bcd9000e342cbe636805d61dda6e70dd5a180afc8b14d9566cd58f6098a9f
[INFO] running `Command { std: "docker" "start" "-a" "5d5bcd9000e342cbe636805d61dda6e70dd5a180afc8b14d9566cd58f6098a9f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling 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: 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: 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 12.86s
[INFO] running `Command { std: "docker" "inspect" "5d5bcd9000e342cbe636805d61dda6e70dd5a180afc8b14d9566cd58f6098a9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d5bcd9000e342cbe636805d61dda6e70dd5a180afc8b14d9566cd58f6098a9f", kill_on_drop: false }`
[INFO] [stdout] 5d5bcd9000e342cbe636805d61dda6e70dd5a180afc8b14d9566cd58f6098a9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3b041f317f394bc8eca87c242737ea7068a4c9f8aa2402e82cdbc624d06b4cc
[INFO] running `Command { std: "docker" "start" "-a" "a3b041f317f394bc8eca87c242737ea7068a4c9f8aa2402e82cdbc624d06b4cc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]    Compiling min_region v0.1.0 (/opt/rustwide/workdir)
[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: 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 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: 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: `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: 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: 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: 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: `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: 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: `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: 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: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "a3b041f317f394bc8eca87c242737ea7068a4c9f8aa2402e82cdbc624d06b4cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3b041f317f394bc8eca87c242737ea7068a4c9f8aa2402e82cdbc624d06b4cc", kill_on_drop: false }`
[INFO] [stdout] a3b041f317f394bc8eca87c242737ea7068a4c9f8aa2402e82cdbc624d06b4cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1b9399f6ea928c5df1c3e9aa16538a2a5c458e458c4925a1bcd08659711fe6ec
[INFO] running `Command { std: "docker" "start" "-a" "1b9399f6ea928c5df1c3e9aa16538a2a5c458e458c4925a1bcd08659711fe6ec", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `expr`
[INFO] [stderr]  --> src/codegen/llvm/generator.rs:6:23
[INFO] [stderr]   |
[INFO] [stderr] 6 |     fn generateInMain(expr: Expr) -> String {
[INFO] [stderr]   |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `name`
[INFO] [stderr]  --> src/syntax/ast.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     name: String
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `region`
[INFO] [stderr]   --> src/syntax/ast.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     region: RegionVar,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `size`
[INFO] [stderr]   --> src/syntax/ast.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     size: RegionSize
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `name`
[INFO] [stderr]   --> src/syntax/ast.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     name: String
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `generateInMain` should have a snake case name
[INFO] [stderr]  --> src/codegen/llvm/generator.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 |     fn generateInMain(expr: Expr) -> String {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `generate_in_main`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `min_region` (lib) generated 6 warnings
[INFO] [stderr] warning: variant is never constructed: `Finite`
[INFO] [stderr]  --> src/syntax/ast.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Finite(i32),
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Infinite`
[INFO] [stderr]  --> src/syntax/ast.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Infinite
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `AtTop`
[INFO] [stderr]   --> src/syntax/ast.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     AtTop(RegionVar),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `AtBot`
[INFO] [stderr]   --> src/syntax/ast.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     AtBot(RegionVar),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SAt`
[INFO] [stderr]   --> src/syntax/ast.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     SAt(RegionVar),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `True`
[INFO] [stderr]   --> src/syntax/ast.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     True,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `False`
[INFO] [stderr]   --> src/syntax/ast.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     False,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Number`
[INFO] [stderr]   --> src/syntax/ast.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     Number(i32)
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Var`
[INFO] [stderr]   --> src/syntax/ast.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     Var(Var),
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Pair`
[INFO] [stderr]   --> src/syntax/ast.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     Pair(Var, Var),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Cons`
[INFO] [stderr]   --> src/syntax/ast.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     Cons(Var, Var),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Var`
[INFO] [stderr]   --> src/syntax/ast.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     Var(Var),
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Let`
[INFO] [stderr]   --> src/syntax/ast.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 | /     Let {
[INFO] [stderr] 42 | |         pattern: Pattern,
[INFO] [stderr] 43 | |         expr: &'a Expr<'a>,
[INFO] [stderr] 44 | |         body: &'a Expr<'a>,
[INFO] [stderr] 45 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Pair`
[INFO] [stderr]   --> src/syntax/ast.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 | /     Pair {
[INFO] [stderr] 47 | |         fst: &'a Expr<'a>,
[INFO] [stderr] 48 | |         snd: &'a Expr<'a>,
[INFO] [stderr] 49 | |         at: AllocationPoint,
[INFO] [stderr] 50 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Cons`
[INFO] [stderr]   --> src/syntax/ast.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 | /     Cons {
[INFO] [stderr] 52 | |         head: &'a Expr<'a>,
[INFO] [stderr] 53 | |         tail: &'a Expr<'a>,
[INFO] [stderr] 54 | |         at: AllocationPoint,
[INFO] [stderr] 55 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Closure`
[INFO] [stderr]   --> src/syntax/ast.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 | /     Closure {
[INFO] [stderr] 57 | |         var: Var,
[INFO] [stderr] 58 | |         expr: &'a Expr<'a>,
[INFO] [stderr] 59 | |         at: AllocationPoint,
[INFO] [stderr] 60 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Case`
[INFO] [stderr]   --> src/syntax/ast.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 | /     Case {
[INFO] [stderr] 62 | |         target: &'a Expr<'a>,
[INFO] [stderr] 63 | |         pattern1: Pattern,
[INFO] [stderr] 64 | |         body1: &'a Expr<'a>,
[INFO] [stderr] 65 | |         pattern2: Pattern,
[INFO] [stderr] 66 | |         body2: &'a Expr<'a>,
[INFO] [stderr] 67 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LetRec`
[INFO] [stderr]   --> src/syntax/ast.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 | /     LetRec {
[INFO] [stderr] 69 | |         name: String,
[INFO] [stderr] 70 | |         fr_params: Vec<BindingPoint>,
[INFO] [stderr] 71 | |         param: Var,
[INFO] [stderr] ...  |
[INFO] [stderr] 74 | |         expr: &'a Expr<'a>,
[INFO] [stderr] 75 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `App`
[INFO] [stderr]   --> src/syntax/ast.rs:76:5
[INFO] [stderr]    |
[INFO] [stderr] 76 | /     App {
[INFO] [stderr] 77 | |         func_name: String,
[INFO] [stderr] 78 | |         ar_params: Vec<AllocationPoint>,
[INFO] [stderr] 79 | |         at: AllocationPoint,
[INFO] [stderr] 80 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LetRegion`
[INFO] [stderr]   --> src/syntax/ast.rs:81:5
[INFO] [stderr]    |
[INFO] [stderr] 81 | /     LetRegion {
[INFO] [stderr] 82 | |         bindings: Vec<BindingPoint>,
[INFO] [stderr] 83 | |         expr: &'a Expr<'a>,
[INFO] [stderr] 84 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: `min_region` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr] warning: `min_region` (bin "min_region" test) generated 26 warnings (6 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/min_region-de6ce215367fd74c)
[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]      Running unittests (/opt/rustwide/target/debug/deps/min_region-92907ed9f59f5a81)
[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]      Running unittests (/opt/rustwide/target/debug/deps/run_test_case1-b9b4d457961d6664)
[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]    Doc-tests min_region
[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" "1b9399f6ea928c5df1c3e9aa16538a2a5c458e458c4925a1bcd08659711fe6ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b9399f6ea928c5df1c3e9aa16538a2a5c458e458c4925a1bcd08659711fe6ec", kill_on_drop: false }`
[INFO] [stdout] 1b9399f6ea928c5df1c3e9aa16538a2a5c458e458c4925a1bcd08659711fe6ec