[INFO] cloning repository https://github.com/Szune/eilang-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Szune/eilang-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSzune%2Feilang-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSzune%2Feilang-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 730a12e9d241d267620405a27832e5e95bc0ecfb
[INFO] checking Szune/eilang-rust against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSzune%2Feilang-rust" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Szune/eilang-rust 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/Szune/eilang-rust
[INFO] finished tweaking git repo https://github.com/Szune/eilang-rust
[INFO] tweaked toml for git repo https://github.com/Szune/eilang-rust written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/Szune/eilang-rust 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] [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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] c346f52051e1e018af74a6b0296ffabb79e3df3ed751dd0d37869c5fa1c3484e
[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" "c346f52051e1e018af74a6b0296ffabb79e3df3ed751dd0d37869c5fa1c3484e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c346f52051e1e018af74a6b0296ffabb79e3df3ed751dd0d37869c5fa1c3484e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c346f52051e1e018af74a6b0296ffabb79e3df3ed751dd0d37869c5fa1c3484e", kill_on_drop: false }`
[INFO] [stdout] c346f52051e1e018af74a6b0296ffabb79e3df3ed751dd0d37869c5fa1c3484e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a3af42923985ce079669834081cae2c90591f0a8a91ea3b9febd38dd9685800d
[INFO] running `Command { std: "docker" "start" "-a" "a3af42923985ce079669834081cae2c90591f0a8a91ea3b9febd38dd9685800d", kill_on_drop: false }`
[INFO] [stderr]     Checking eilang-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `BuiltIn_int` should have an upper camel case name
[INFO] [stdout]   --> src/typechecker.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     BuiltIn_int,
[INFO] [stdout]    |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `BuiltInInt`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `BuiltIn_string` should have an upper camel case name
[INFO] [stdout]   --> src/typechecker.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     BuiltIn_string,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `BuiltInString`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `BuiltIn_double` should have an upper camel case name
[INFO] [stdout]   --> src/typechecker.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     BuiltIn_double,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `BuiltInDouble`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `BuiltIn_any` should have an upper camel case name
[INFO] [stdout]   --> src/typechecker.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     BuiltIn_any,
[INFO] [stdout]    |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `BuiltInAny`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `BuiltIn_void` should have an upper camel case name
[INFO] [stdout]   --> src/typechecker.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     BuiltIn_void,
[INFO] [stdout]    |     ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `BuiltInVoid`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `User_class` should have an upper camel case name
[INFO] [stdout]   --> src/typechecker.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     User_class,
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `UserClass`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `BuiltIn_int` should have an upper camel case name
[INFO] [stdout]   --> src/typechecker.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     BuiltIn_int,
[INFO] [stdout]    |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `BuiltInInt`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `BuiltIn_string` should have an upper camel case name
[INFO] [stdout]   --> src/typechecker.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     BuiltIn_string,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `BuiltInString`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `BuiltIn_double` should have an upper camel case name
[INFO] [stdout]   --> src/typechecker.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     BuiltIn_double,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `BuiltInDouble`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `BuiltIn_any` should have an upper camel case name
[INFO] [stdout]   --> src/typechecker.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     BuiltIn_any,
[INFO] [stdout]    |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `BuiltInAny`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `BuiltIn_void` should have an upper camel case name
[INFO] [stdout]   --> src/typechecker.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     BuiltIn_void,
[INFO] [stdout]    |     ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `BuiltInVoid`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `User_class` should have an upper camel case name
[INFO] [stdout]   --> src/typechecker.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     User_class,
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `UserClass`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/typechecker.rs:233:32
[INFO] [stdout]     |
[INFO] [stdout] 233 |             ExprKind::Function(name, _, _, _) => {
[INFO] [stdout]     |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ast`
[INFO] [stdout]    --> src/typechecker.rs:362:31
[INFO] [stdout]     |
[INFO] [stdout] 362 |     fn build_types(&mut self, ast: &Root) -> HashMap<String, Rc<TCType>> {
[INFO] [stdout]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_ast`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/typechecker.rs:233:32
[INFO] [stdout]     |
[INFO] [stdout] 233 |             ExprKind::Function(name, _, _, _) => {
[INFO] [stdout]     |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ast`
[INFO] [stdout]    --> src/typechecker.rs:362:31
[INFO] [stdout]     |
[INFO] [stdout] 362 |     fn build_types(&mut self, ast: &Root) -> HashMap<String, Rc<TCType>> {
[INFO] [stdout]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_ast`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_errors`
[INFO] [stdout]    --> src/typechecker.rs:103:8
[INFO] [stdout]     |
[INFO] [stdout] 103 |     fn add_errors(&mut self, errs: RefCell<Vec<String>>) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `type_exists`
[INFO] [stdout]    --> src/typechecker.rs:453:4
[INFO] [stdout]     |
[INFO] [stdout] 453 | fn type_exists(typ: String, types: &HashMap<String, Rc<TCType>>) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_errors`
[INFO] [stdout]    --> src/typechecker.rs:103:8
[INFO] [stdout]     |
[INFO] [stdout] 103 |     fn add_errors(&mut self, errs: RefCell<Vec<String>>) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `type_exists`
[INFO] [stdout]    --> src/typechecker.rs:453:4
[INFO] [stdout]     |
[INFO] [stdout] 453 | fn type_exists(typ: String, types: &HashMap<String, Rc<TCType>>) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "a3af42923985ce079669834081cae2c90591f0a8a91ea3b9febd38dd9685800d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3af42923985ce079669834081cae2c90591f0a8a91ea3b9febd38dd9685800d", kill_on_drop: false }`
[INFO] [stdout] a3af42923985ce079669834081cae2c90591f0a8a91ea3b9febd38dd9685800d