[INFO] cloning repository https://github.com/swataswayam-14/Horizontal-and-vertical-scaling-nodejs-apps
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/swataswayam-14/Horizontal-and-vertical-scaling-nodejs-apps" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswataswayam-14%2FHorizontal-and-vertical-scaling-nodejs-apps", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswataswayam-14%2FHorizontal-and-vertical-scaling-nodejs-apps'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b6c667707b684f255d01986569ff55bce38e9c0d
[INFO] checking swataswayam-14/Horizontal-and-vertical-scaling-nodejs-apps against try#3652eaba14e5de752eaa5a8ffcac7132f9244f07 for pr-139272
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswataswayam-14%2FHorizontal-and-vertical-scaling-nodejs-apps" "/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/swataswayam-14/Horizontal-and-vertical-scaling-nodejs-apps on toolchain 3652eaba14e5de752eaa5a8ffcac7132f9244f07
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3652eaba14e5de752eaa5a8ffcac7132f9244f07" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/swataswayam-14/Horizontal-and-vertical-scaling-nodejs-apps
[INFO] finished tweaking git repo https://github.com/swataswayam-14/Horizontal-and-vertical-scaling-nodejs-apps
[INFO] tweaked toml for git repo https://github.com/swataswayam-14/Horizontal-and-vertical-scaling-nodejs-apps written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/swataswayam-14/Horizontal-and-vertical-scaling-nodejs-apps 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" "+3652eaba14e5de752eaa5a8ffcac7132f9244f07" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+3652eaba14e5de752eaa5a8ffcac7132f9244f07" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f0f4a4604b3114a1a592a8217d72716b7c6b45d7c8b7392b74291040b2db669
[INFO] running `Command { std: "docker" "start" "-a" "1f0f4a4604b3114a1a592a8217d72716b7c6b45d7c8b7392b74291040b2db669", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f0f4a4604b3114a1a592a8217d72716b7c6b45d7c8b7392b74291040b2db669", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f0f4a4604b3114a1a592a8217d72716b7c6b45d7c8b7392b74291040b2db669", kill_on_drop: false }`
[INFO] [stdout] 1f0f4a4604b3114a1a592a8217d72716b7c6b45d7c8b7392b74291040b2db669
[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" "+3652eaba14e5de752eaa5a8ffcac7132f9244f07" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a3211898bf694cae358910c6209e58c1bf1bad7f69a0e3439057e1b9789b80f
[INFO] running `Command { std: "docker" "start" "-a" "2a3211898bf694cae358910c6209e58c1bf1bad7f69a0e3439057e1b9789b80f", kill_on_drop: false }`
[INFO] [stderr]     Checking verticalscaling v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `counter` is assigned to, but never used
[INFO] [stdout]  --> src/main.rs:7:21
[INFO] [stdout]   |
[INFO] [stdout] 7 |             let mut counter: f64 = 0.00;
[INFO] [stdout]   |                     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider using `_counter` instead
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `counter` is assigned to, but never used
[INFO] [stdout]  --> src/main.rs:7:21
[INFO] [stdout]   |
[INFO] [stdout] 7 |             let mut counter: f64 = 0.00;
[INFO] [stdout]   |                     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider using `_counter` instead
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "2a3211898bf694cae358910c6209e58c1bf1bad7f69a0e3439057e1b9789b80f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a3211898bf694cae358910c6209e58c1bf1bad7f69a0e3439057e1b9789b80f", kill_on_drop: false }`
[INFO] [stdout] 2a3211898bf694cae358910c6209e58c1bf1bad7f69a0e3439057e1b9789b80f