[INFO] cloning repository https://github.com/dhruvdabhi101/deez-interpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dhruvdabhi101/deez-interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdhruvdabhi101%2Fdeez-interpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdhruvdabhi101%2Fdeez-interpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e04736ef38c0f59b49439f46bea70edcf020a1b8
[INFO] checking dhruvdabhi101/deez-interpreter against try#1bd50d4315eb15970d395b6be5823f9384707693 for pr-140151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdhruvdabhi101%2Fdeez-interpreter" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dhruvdabhi101/deez-interpreter on toolchain 1bd50d4315eb15970d395b6be5823f9384707693
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1bd50d4315eb15970d395b6be5823f9384707693" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dhruvdabhi101/deez-interpreter
[INFO] finished tweaking git repo https://github.com/dhruvdabhi101/deez-interpreter
[INFO] tweaked toml for git repo https://github.com/dhruvdabhi101/deez-interpreter written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/dhruvdabhi101/deez-interpreter 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" "+1bd50d4315eb15970d395b6be5823f9384707693" "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 dhruvdabhi101/deez-interpreter against try#1bd50d4315eb15970d395b6be5823f9384707693 for pr-140151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdhruvdabhi101%2Fdeez-interpreter" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dhruvdabhi101/deez-interpreter on toolchain 1bd50d4315eb15970d395b6be5823f9384707693
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1bd50d4315eb15970d395b6be5823f9384707693" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dhruvdabhi101/deez-interpreter
[INFO] finished tweaking git repo https://github.com/dhruvdabhi101/deez-interpreter
[INFO] tweaked toml for git repo https://github.com/dhruvdabhi101/deez-interpreter written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/dhruvdabhi101/deez-interpreter 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" "+1bd50d4315eb15970d395b6be5823f9384707693" "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 dhruvdabhi101/deez-interpreter against try#1bd50d4315eb15970d395b6be5823f9384707693 for pr-140151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdhruvdabhi101%2Fdeez-interpreter" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dhruvdabhi101/deez-interpreter on toolchain 1bd50d4315eb15970d395b6be5823f9384707693
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1bd50d4315eb15970d395b6be5823f9384707693" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dhruvdabhi101/deez-interpreter
[INFO] finished tweaking git repo https://github.com/dhruvdabhi101/deez-interpreter
[INFO] tweaked toml for git repo https://github.com/dhruvdabhi101/deez-interpreter written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/dhruvdabhi101/deez-interpreter 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" "+1bd50d4315eb15970d395b6be5823f9384707693" "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 dhruvdabhi101/deez-interpreter against try#1bd50d4315eb15970d395b6be5823f9384707693 for pr-140151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdhruvdabhi101%2Fdeez-interpreter" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dhruvdabhi101/deez-interpreter on toolchain 1bd50d4315eb15970d395b6be5823f9384707693
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1bd50d4315eb15970d395b6be5823f9384707693" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dhruvdabhi101/deez-interpreter
[INFO] finished tweaking git repo https://github.com/dhruvdabhi101/deez-interpreter
[INFO] tweaked toml for git repo https://github.com/dhruvdabhi101/deez-interpreter written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/dhruvdabhi101/deez-interpreter 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" "+1bd50d4315eb15970d395b6be5823f9384707693" "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 dhruvdabhi101/deez-interpreter against try#1bd50d4315eb15970d395b6be5823f9384707693 for pr-140151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdhruvdabhi101%2Fdeez-interpreter" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dhruvdabhi101/deez-interpreter on toolchain 1bd50d4315eb15970d395b6be5823f9384707693
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1bd50d4315eb15970d395b6be5823f9384707693" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dhruvdabhi101/deez-interpreter
[INFO] finished tweaking git repo https://github.com/dhruvdabhi101/deez-interpreter
[INFO] tweaked toml for git repo https://github.com/dhruvdabhi101/deez-interpreter written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/dhruvdabhi101/deez-interpreter 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" "+1bd50d4315eb15970d395b6be5823f9384707693" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1bd50d4315eb15970d395b6be5823f9384707693" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fde9265f6aeb9961c1bb5cbc6cfa60cc7a98a85e55fff7c2e5f4467a38af31b9
[INFO] running `Command { std: "docker" "start" "-a" "fde9265f6aeb9961c1bb5cbc6cfa60cc7a98a85e55fff7c2e5f4467a38af31b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fde9265f6aeb9961c1bb5cbc6cfa60cc7a98a85e55fff7c2e5f4467a38af31b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fde9265f6aeb9961c1bb5cbc6cfa60cc7a98a85e55fff7c2e5f4467a38af31b9", kill_on_drop: false }`
[INFO] [stdout] fde9265f6aeb9961c1bb5cbc6cfa60cc7a98a85e55fff7c2e5f4467a38af31b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1bd50d4315eb15970d395b6be5823f9384707693" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9a15e81ee02f97189053e3a44e44d2a4350a5d97a88bec7a55e88e807d2af4a
[INFO] running `Command { std: "docker" "start" "-a" "e9a15e81ee02f97189053e3a44e44d2a4350a5d97a88bec7a55e88e807d2af4a", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]     Checking deez-interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::lexer::lexer::*`
[INFO] [stdout]    --> src/parser/parser.rs:141:9
[INFO] [stdout]     |
[INFO] [stdout] 141 |     use crate::lexer::lexer::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::parser::ast::*`
[INFO] [stdout]    --> src/parser/parser.rs:142:9
[INFO] [stdout]     |
[INFO] [stdout] 142 |     use crate::parser::ast::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::parser::parser::*`
[INFO] [stdout]    --> src/parser/parser.rs:143:9
[INFO] [stdout]     |
[INFO] [stdout] 143 |     use crate::parser::parser::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/parser/parser.rs:189:17
[INFO] [stdout]     |
[INFO] [stdout] 189 |                 return anyhow::bail!("not let statement");
[INFO] [stdout]     |                 ^^^^^^^----------------------------------
[INFO] [stdout]     |                 |      |
[INFO] [stdout]     |                 |      any code following this expression is unreachable
[INFO] [stdout]     |                 unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Parser` is never constructed
[INFO] [stdout]  --> src/parser/parser.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Parser{
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/parser/parser.rs:15:12
[INFO] [stdout]     |
[INFO] [stdout] 14  | impl Parser { 
[INFO] [stdout]     | ----------- associated items in this implementation
[INFO] [stdout] 15  |     pub fn new(lex: Lexer) -> Parser {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 27  |     pub fn Errors(&self) -> Vec<String> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31  |     pub fn peek_error(&mut self, token: Token) {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37  |     pub fn next_token(&mut self){
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42  |     pub fn parse(&mut self) -> Vec<Statement> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53  |     fn parse_statement(&mut self) -> Option<Statement> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 67  |     fn parse_let_statement(&mut self) -> Option<Statement> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 101 |     fn parse_return_statement(&mut self) -> Option<Statement> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |     fn expect_peek(&mut self, token:Token) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 126 |     fn cur_token_is(&self, token:Token) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `Errors` should have a snake case name
[INFO] [stdout]   --> src/parser/parser.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn Errors(&self) -> Vec<String> {
[INFO] [stdout]    |            ^^^^^^ help: convert the identifier to snake case: `errors`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Err` is never used
[INFO] [stdout]    --> src/parser/parser.rs:144:10
[INFO] [stdout]     |
[INFO] [stdout] 144 |     type Err = anyhow::Error;
[INFO] [stdout]     |          ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `Errors` should have a snake case name
[INFO] [stdout]   --> src/parser/parser.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn Errors(&self) -> Vec<String> {
[INFO] [stdout]    |            ^^^^^^ help: convert the identifier to snake case: `errors`
[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 0.38s
[INFO] running `Command { std: "docker" "inspect" "e9a15e81ee02f97189053e3a44e44d2a4350a5d97a88bec7a55e88e807d2af4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9a15e81ee02f97189053e3a44e44d2a4350a5d97a88bec7a55e88e807d2af4a", kill_on_drop: false }`
[INFO] [stdout] e9a15e81ee02f97189053e3a44e44d2a4350a5d97a88bec7a55e88e807d2af4a
