[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] documenting ukitaka/min_region against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fukitaka%2Fmin_region" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ukitaka/min_region on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "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-6/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" "+1.46.0" "fetch" "--locked" "--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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8562e705e7e93516faf8cb1c67b6045cada141e380768af5ab700244b7c283a1
[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" "8562e705e7e93516faf8cb1c67b6045cada141e380768af5ab700244b7c283a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8562e705e7e93516faf8cb1c67b6045cada141e380768af5ab700244b7c283a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8562e705e7e93516faf8cb1c67b6045cada141e380768af5ab700244b7c283a1", kill_on_drop: false }`
[INFO] [stdout] 8562e705e7e93516faf8cb1c67b6045cada141e380768af5ab700244b7c283a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "RUSTDOCFLAGS=--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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9df440e8b1fd174d7a2585188ea29865587c421cb2a7ab3c591624336fee9fb4
[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" "9df440e8b1fd174d7a2585188ea29865587c421cb2a7ab3c591624336fee9fb4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking min_region v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting 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: 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.87s
[INFO] running `Command { std: "docker" "inspect" "9df440e8b1fd174d7a2585188ea29865587c421cb2a7ab3c591624336fee9fb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9df440e8b1fd174d7a2585188ea29865587c421cb2a7ab3c591624336fee9fb4", kill_on_drop: false }`
[INFO] [stdout] 9df440e8b1fd174d7a2585188ea29865587c421cb2a7ab3c591624336fee9fb4