[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#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnbardiuk%2Frlox" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nbardiuk/rlox on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", 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-8/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: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b01378f0d5294bc9719a74c25c57735cb1a1862eb2010db26ef7885ff0c64bd4
[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" "b01378f0d5294bc9719a74c25c57735cb1a1862eb2010db26ef7885ff0c64bd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b01378f0d5294bc9719a74c25c57735cb1a1862eb2010db26ef7885ff0c64bd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b01378f0d5294bc9719a74c25c57735cb1a1862eb2010db26ef7885ff0c64bd4", kill_on_drop: false }`
[INFO] [stdout] b01378f0d5294bc9719a74c25c57735cb1a1862eb2010db26ef7885ff0c64bd4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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] 3f7d51523e0f7bdade2ede6a0339ce1af681823b8a5a313014d436eba35f78ac
[INFO] running `Command { std: "docker" "start" "-a" "3f7d51523e0f7bdade2ede6a0339ce1af681823b8a5a313014d436eba35f78ac", 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: associated function is never used: `debug_stack`
[INFO] [stdout]  --> src/bin/vm/debug.rs:7:12
[INFO] [stdout]   |
[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: associated function is never used: `disasemble`
[INFO] [stdout]   --> src/bin/vm/debug.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn disasemble(&self, name: &str) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_all`
[INFO] [stdout]   --> src/bin/vm/table.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn add_all(&mut self, from: &Table) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.23s
[INFO] running `Command { std: "docker" "inspect" "3f7d51523e0f7bdade2ede6a0339ce1af681823b8a5a313014d436eba35f78ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f7d51523e0f7bdade2ede6a0339ce1af681823b8a5a313014d436eba35f78ac", kill_on_drop: false }`
[INFO] [stdout] 3f7d51523e0f7bdade2ede6a0339ce1af681823b8a5a313014d436eba35f78ac