[INFO] cloning repository https://github.com/nbardiuk/rlox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nbardiuk/rlox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnbardiuk%2Frlox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnbardiuk%2Frlox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 30cfc686139e3b8dc999a4722c2c4a7149650e19
[INFO] checking nbardiuk/rlox against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnbardiuk%2Frlox" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nbardiuk/rlox on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nbardiuk/rlox
[INFO] finished tweaking git repo https://github.com/nbardiuk/rlox
[INFO] tweaked toml for git repo https://github.com/nbardiuk/rlox written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/nbardiuk/rlox 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6afcaae43a2416dc42f096493c9eba53372a5ae67c28c12114db62359ecc5e39
[INFO] running `Command { std: "docker" "start" "-a" "6afcaae43a2416dc42f096493c9eba53372a5ae67c28c12114db62359ecc5e39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6afcaae43a2416dc42f096493c9eba53372a5ae67c28c12114db62359ecc5e39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6afcaae43a2416dc42f096493c9eba53372a5ae67c28c12114db62359ecc5e39", kill_on_drop: false }`
[INFO] [stdout] 6afcaae43a2416dc42f096493c9eba53372a5ae67c28c12114db62359ecc5e39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd4e0ca4fe32742d7eca0273bf701376fe7736c18edab718ab86c06305daffcf
[INFO] running `Command { std: "docker" "start" "-a" "cd4e0ca4fe32742d7eca0273bf701376fe7736c18edab718ab86c06305daffcf", kill_on_drop: false }`
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking rlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/vm/table.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let mut entry = self.find_entry_mut(&key);
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/vm/table.rs:88:13
[INFO] [stdout]    |
[INFO] [stdout] 88 |         let mut entry = self.find_entry_mut(key);
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/vm/table.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let mut entry = self.find_entry_mut(&key);
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/vm/table.rs:88:13
[INFO] [stdout]    |
[INFO] [stdout] 88 |         let mut entry = self.find_entry_mut(key);
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `debug_stack` is never used
[INFO] [stdout]  --> src/bin/vm/debug.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Vm {
[INFO] [stdout]   | ------- method in this implementation
[INFO] [stdout] 7 |     pub fn debug_stack(&self) -> String {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `disasemble` is never used
[INFO] [stdout]   --> src/bin/vm/debug.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Chunk {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn disasemble(&self, name: &str) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `add_all` is never used
[INFO] [stdout]   --> src/bin/vm/table.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl Table {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 62 |     pub fn add_all(&mut self, from: &Table) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "cd4e0ca4fe32742d7eca0273bf701376fe7736c18edab718ab86c06305daffcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd4e0ca4fe32742d7eca0273bf701376fe7736c18edab718ab86c06305daffcf", kill_on_drop: false }`
[INFO] [stdout] cd4e0ca4fe32742d7eca0273bf701376fe7736c18edab718ab86c06305daffcf