[INFO] cloning repository https://github.com/jzhang113/search-based-level-generator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jzhang113/search-based-level-generator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjzhang113%2Fsearch-based-level-generator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjzhang113%2Fsearch-based-level-generator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9b345d58a99ae33491863fb7ab116bd0b17c1ca6
[INFO] checking jzhang113/search-based-level-generator/9b345d58a99ae33491863fb7ab116bd0b17c1ca6 against master#f8463896a9b36a04899c013bd8825a7fd29dd7a4 for pr-151920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjzhang113%2Fsearch-based-level-generator" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jzhang113/search-based-level-generator
[INFO] finished tweaking git repo https://github.com/jzhang113/search-based-level-generator
[INFO] tweaked toml for git repo https://github.com/jzhang113/search-based-level-generator written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jzhang113/search-based-level-generator on toolchain f8463896a9b36a04899c013bd8825a7fd29dd7a4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jzhang113/search-based-level-generator 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" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dot v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bafe40183256d928e37ac0ea0afc59661a6801a4f3d349e3da04131a891ed06c
[INFO] running `Command { std: "docker" "start" "-a" "bafe40183256d928e37ac0ea0afc59661a6801a4f3d349e3da04131a891ed06c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bafe40183256d928e37ac0ea0afc59661a6801a4f3d349e3da04131a891ed06c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bafe40183256d928e37ac0ea0afc59661a6801a4f3d349e3da04131a891ed06c", kill_on_drop: false }`
[INFO] [stdout] bafe40183256d928e37ac0ea0afc59661a6801a4f3d349e3da04131a891ed06c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2df61a3e52ccb5e2a8856854c6efddfb163b6b7aac3119fe44e44b7c6f9ef256
[INFO] running `Command { std: "docker" "start" "-a" "2df61a3e52ccb5e2a8856854c6efddfb163b6b7aac3119fe44e44b7c6f9ef256", kill_on_drop: false }`
[INFO] [stderr]     Checking dot v0.1.4
[INFO] [stderr]     Checking sblg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `weight` is never read
[INFO] [stdout]  --> src/graph.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct NodeData {
[INFO] [stdout]   |            -------- field in this struct
[INFO] [stdout] 6 |     name: &'static str,
[INFO] [stdout] 7 |     weight: u32,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `NodeData` has a derived impl for the trait `Debug`, but this is 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: field `weight` is never read
[INFO] [stdout]  --> src/graph.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct NodeData {
[INFO] [stdout]   |            -------- field in this struct
[INFO] [stdout] 6 |     name: &'static str,
[INFO] [stdout] 7 |     weight: u32,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `NodeData` has a derived impl for the trait `Debug`, but this is 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 0.27s
[INFO] running `Command { std: "docker" "inspect" "2df61a3e52ccb5e2a8856854c6efddfb163b6b7aac3119fe44e44b7c6f9ef256", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2df61a3e52ccb5e2a8856854c6efddfb163b6b7aac3119fe44e44b7c6f9ef256", kill_on_drop: false }`
[INFO] [stdout] 2df61a3e52ccb5e2a8856854c6efddfb163b6b7aac3119fe44e44b7c6f9ef256