[INFO] cloning repository https://github.com/LunaInsidious/jules-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LunaInsidious/jules-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLunaInsidious%2Fjules-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLunaInsidious%2Fjules-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 84734652455107555ad99defe7bb67703ca2de23
[INFO] checking LunaInsidious/jules-test against try#87f2ecc56b5f6032b075c8934ebc77f28d57183c for pr-148190
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLunaInsidious%2Fjules-test" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/LunaInsidious/jules-test
[INFO] finished tweaking git repo https://github.com/LunaInsidious/jules-test
[INFO] tweaked toml for git repo https://github.com/LunaInsidious/jules-test written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/LunaInsidious/jules-test on toolchain 87f2ecc56b5f6032b075c8934ebc77f28d57183c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+87f2ecc56b5f6032b075c8934ebc77f28d57183c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/LunaInsidious/jules-test 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" "+87f2ecc56b5f6032b075c8934ebc77f28d57183c" "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 LunaInsidious/jules-test against try#87f2ecc56b5f6032b075c8934ebc77f28d57183c for pr-148190
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLunaInsidious%2Fjules-test" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/LunaInsidious/jules-test
[INFO] finished tweaking git repo https://github.com/LunaInsidious/jules-test
[INFO] tweaked toml for git repo https://github.com/LunaInsidious/jules-test written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/LunaInsidious/jules-test on toolchain 87f2ecc56b5f6032b075c8934ebc77f28d57183c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+87f2ecc56b5f6032b075c8934ebc77f28d57183c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/LunaInsidious/jules-test 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" "+87f2ecc56b5f6032b075c8934ebc77f28d57183c" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+87f2ecc56b5f6032b075c8934ebc77f28d57183c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 96ad41f23cc9ea93397b001c6e820fc64e9e43002ecf49b05378524dd9c75a4d
[INFO] running `Command { std: "docker" "start" "-a" "96ad41f23cc9ea93397b001c6e820fc64e9e43002ecf49b05378524dd9c75a4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96ad41f23cc9ea93397b001c6e820fc64e9e43002ecf49b05378524dd9c75a4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96ad41f23cc9ea93397b001c6e820fc64e9e43002ecf49b05378524dd9c75a4d", kill_on_drop: false }`
[INFO] [stdout] 96ad41f23cc9ea93397b001c6e820fc64e9e43002ecf49b05378524dd9c75a4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+87f2ecc56b5f6032b075c8934ebc77f28d57183c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5bf10655af2ec6a66bd0b36e3c939be9ed990fe7fb30ae9cc4085cd3590b45a4
[INFO] running `Command { std: "docker" "start" "-a" "5bf10655af2ec6a66bd0b36e3c939be9ed990fe7fb30ae9cc4085cd3590b45a4", kill_on_drop: false }`
[INFO] [stderr]     Checking mylang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Identifier` and `Node`
[INFO] [stdout]    --> src/parser.rs:608:22
[INFO] [stdout]     |
[INFO] [stdout] 608 |     use crate::ast::{Node, Statement, Expression, Identifier}; 
[INFO] [stdout]     |                      ^^^^                         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Prefix` and `Index` are never constructed
[INFO] [stdout]   --> src/parser.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | enum Precedence {
[INFO] [stdout]    |      ---------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 15 |     Prefix,      // -X or !X
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 16 |     Call,        // myFunction(X)
[INFO] [stdout] 17 |     Index,       // array[index] (Future)
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Precedence` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Prefix` and `Index` are never constructed
[INFO] [stdout]   --> src/parser.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | enum Precedence {
[INFO] [stdout]    |      ---------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 15 |     Prefix,      // -X or !X
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 16 |     Call,        // myFunction(X)
[INFO] [stdout] 17 |     Index,       // array[index] (Future)
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Precedence` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "5bf10655af2ec6a66bd0b36e3c939be9ed990fe7fb30ae9cc4085cd3590b45a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bf10655af2ec6a66bd0b36e3c939be9ed990fe7fb30ae9cc4085cd3590b45a4", kill_on_drop: false }`
[INFO] [stdout] 5bf10655af2ec6a66bd0b36e3c939be9ed990fe7fb30ae9cc4085cd3590b45a4