[INFO] cloning repository https://github.com/rachitkakkar/rachit-cc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rachitkakkar/rachit-cc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frachitkakkar%2Frachit-cc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frachitkakkar%2Frachit-cc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 06a08fee7c19e0764fe9be90e85157c19195bc73
[INFO] checking rachitkakkar/rachit-cc against 165655a2f1981fef27b31c547ad7631979fc5139 for pr-160235
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frachitkakkar%2Frachit-cc" "/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/rachitkakkar/rachit-cc
[INFO] finished tweaking git repo https://github.com/rachitkakkar/rachit-cc
[INFO] tweaked toml for git repo https://github.com/rachitkakkar/rachit-cc written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rachitkakkar/rachit-cc on toolchain 165655a2f1981fef27b31c547ad7631979fc5139
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+165655a2f1981fef27b31c547ad7631979fc5139" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rachitkakkar/rachit-cc 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" "+165655a2f1981fef27b31c547ad7631979fc5139" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking rachitkakkar/rachit-cc against 165655a2f1981fef27b31c547ad7631979fc5139 for pr-160235
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frachitkakkar%2Frachit-cc" "/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/rachitkakkar/rachit-cc
[INFO] finished tweaking git repo https://github.com/rachitkakkar/rachit-cc
[INFO] tweaked toml for git repo https://github.com/rachitkakkar/rachit-cc written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rachitkakkar/rachit-cc on toolchain 165655a2f1981fef27b31c547ad7631979fc5139
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+165655a2f1981fef27b31c547ad7631979fc5139" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rachitkakkar/rachit-cc 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" "+165655a2f1981fef27b31c547ad7631979fc5139" "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-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:00c5645b54fe3ce5dae1417175e3c7fb6a6646c021d554ecd63a097b8b9f3602" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] b01925dedf7b4c5b2ff0b5fad63d045bf2c2742c28d0ae5b7b9c7eb2e10917ef
[INFO] running `Command { std: "docker" "start" "b01925dedf7b4c5b2ff0b5fad63d045bf2c2742c28d0ae5b7b9c7eb2e10917ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b01925dedf7b4c5b2ff0b5fad63d045bf2c2742c28d0ae5b7b9c7eb2e10917ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b01925dedf7b4c5b2ff0b5fad63d045bf2c2742c28d0ae5b7b9c7eb2e10917ef" "/opt/rustwide/cargo-home/bin/cargo" "+165655a2f1981fef27b31c547ad7631979fc5139" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b01925dedf7b4c5b2ff0b5fad63d045bf2c2742c28d0ae5b7b9c7eb2e10917ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b01925dedf7b4c5b2ff0b5fad63d045bf2c2742c28d0ae5b7b9c7eb2e10917ef" "/opt/rustwide/cargo-home/bin/cargo" "+165655a2f1981fef27b31c547ad7631979fc5139" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking rachit-cc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `LHS`
[INFO] [stdout]   --> src/parser.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let LHS = self.parsePrimaryExpr()?;
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_LHS`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `parseExpr` should have a snake case name
[INFO] [stdout]   --> src/parser.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 |   pub fn parseExpr(&self) -> Result<ExprAST, String> {
[INFO] [stdout]    |          ^^^^^^^^^ help: convert the identifier to snake case: `parse_expr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `LHS` should have a snake case name
[INFO] [stdout]   --> src/parser.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let LHS = self.parsePrimaryExpr()?;
[INFO] [stdout]    |         ^^^ help: convert the identifier to snake case: `lhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `parsePrimaryExpr` should have a snake case name
[INFO] [stdout]   --> src/parser.rs:33:10
[INFO] [stdout]    |
[INFO] [stdout] 33 |   pub fn parsePrimaryExpr(&self) -> Result<ExprAST, String> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `parse_primary_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `LHS`
[INFO] [stdout]   --> src/parser.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let LHS = self.parsePrimaryExpr()?;
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_LHS`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `parseExpr` should have a snake case name
[INFO] [stdout]   --> src/parser.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 |   pub fn parseExpr(&self) -> Result<ExprAST, String> {
[INFO] [stdout]    |          ^^^^^^^^^ help: convert the identifier to snake case: `parse_expr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `LHS` should have a snake case name
[INFO] [stdout]   --> src/parser.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let LHS = self.parsePrimaryExpr()?;
[INFO] [stdout]    |         ^^^ help: convert the identifier to snake case: `lhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `parsePrimaryExpr` should have a snake case name
[INFO] [stdout]   --> src/parser.rs:33:10
[INFO] [stdout]    |
[INFO] [stdout] 33 |   pub fn parsePrimaryExpr(&self) -> Result<ExprAST, String> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `parse_primary_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     compile(file_path); // To-do, handle unused `Result`
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let _ = compile(file_path); // To-do, handle unused `Result`
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     compile(file_path); // To-do, handle unused `Result`
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let _ = compile(file_path); // To-do, handle unused `Result`
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "b01925dedf7b4c5b2ff0b5fad63d045bf2c2742c28d0ae5b7b9c7eb2e10917ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b01925dedf7b4c5b2ff0b5fad63d045bf2c2742c28d0ae5b7b9c7eb2e10917ef", kill_on_drop: false }`
[INFO] [stdout] b01925dedf7b4c5b2ff0b5fad63d045bf2c2742c28d0ae5b7b9c7eb2e10917ef
