[INFO] cloning repository https://github.com/maxmcd/sliced
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maxmcd/sliced" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxmcd%2Fsliced", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxmcd%2Fsliced'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c23d642e9a32daf88f671336806d07e1dfa0d9a6
[INFO] checking maxmcd/sliced against try#4797991aa2efb6d658150f10425b3f3b5d10eceb for pr-143193
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxmcd%2Fsliced" "/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/maxmcd/sliced
[INFO] finished tweaking git repo https://github.com/maxmcd/sliced
[INFO] tweaked toml for git repo https://github.com/maxmcd/sliced written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/maxmcd/sliced on toolchain 4797991aa2efb6d658150f10425b3f3b5d10eceb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4797991aa2efb6d658150f10425b3f3b5d10eceb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/maxmcd/sliced 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" "+4797991aa2efb6d658150f10425b3f3b5d10eceb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+4797991aa2efb6d658150f10425b3f3b5d10eceb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71dcf638b373d19653f060745fa424649251b240d32d3be5d3499b85eff87c46
[INFO] running `Command { std: "docker" "start" "-a" "71dcf638b373d19653f060745fa424649251b240d32d3be5d3499b85eff87c46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71dcf638b373d19653f060745fa424649251b240d32d3be5d3499b85eff87c46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71dcf638b373d19653f060745fa424649251b240d32d3be5d3499b85eff87c46", kill_on_drop: false }`
[INFO] [stdout] 71dcf638b373d19653f060745fa424649251b240d32d3be5d3499b85eff87c46
[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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+4797991aa2efb6d658150f10425b3f3b5d10eceb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fbbdccbbe08bf7628424de1dcad7414d1d251bc20b9a5260f2d32c95cd12f0ef
[INFO] running `Command { std: "docker" "start" "-a" "fbbdccbbe08bf7628424de1dcad7414d1d251bc20b9a5260f2d32c95cd12f0ef", kill_on_drop: false }`
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[INFO] [stdout] warning: field `slices` is never read
[INFO] [stdout]    --> src/health_check.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 111 | pub struct Usage {
[INFO] [stdout]     |            ----- field in this struct
[INFO] [stdout] 112 |     pub slices: HashMap<u16, SliceUsage>,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Usage` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `load` is never read
[INFO] [stdout]    --> src/health_check.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 115 | pub struct SliceUsage {
[INFO] [stdout]     |            ---------- field in this struct
[INFO] [stdout] 116 |     pub load: u32,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SliceUsage` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `move_load` is never used
[INFO] [stdout]   --> src/slice_assignments.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl SliceAssignments {
[INFO] [stdout]    | --------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 76 |     pub fn move_load(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Move` is never constructed
[INFO] [stdout]    --> src/slice_assignments.rs:115:8
[INFO] [stdout]     |
[INFO] [stdout] 115 | struct Move {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Balance` is never constructed
[INFO] [stdout]    --> src/slice_assignments.rs:134:8
[INFO] [stdout]     |
[INFO] [stdout] 134 | struct Balance {}
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `OVERLOAD_THRESHOLD`, `MAX_MOVES_PER_CYCLE`, `collect_server_stats`, `find_best_moves`, and `calculate_imbalance` are never used
[INFO] [stdout]    --> src/slice_assignments.rs:138:11
[INFO] [stdout]     |
[INFO] [stdout] 136 | impl Balance {
[INFO] [stdout]     | ------------ associated items in this implementation
[INFO] [stdout] 137 |     // Threshold above average load that triggers rebalancing (20%)
[INFO] [stdout] 138 |     const OVERLOAD_THRESHOLD: f32 = 1.2;
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 139 |     // Maximum number of moves per rebalancing cycle
[INFO] [stdout] 140 |     const MAX_MOVES_PER_CYCLE: usize = 3;
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 141 |
[INFO] [stdout] 142 |     fn collect_server_stats(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 168 |     pub fn find_best_moves(backends: &BTreeSet<Backend>) -> Vec<Move> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 219 |     fn calculate_imbalance(slices: &HashMap<SocketAddr, u32>) -> f32 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `move_load` is never used
[INFO] [stdout]   --> src/slice_assignments.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl SliceAssignments {
[INFO] [stdout]    | --------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 76 |     pub fn move_load(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 05s
[INFO] running `Command { std: "docker" "inspect" "fbbdccbbe08bf7628424de1dcad7414d1d251bc20b9a5260f2d32c95cd12f0ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbbdccbbe08bf7628424de1dcad7414d1d251bc20b9a5260f2d32c95cd12f0ef", kill_on_drop: false }`
[INFO] [stdout] fbbdccbbe08bf7628424de1dcad7414d1d251bc20b9a5260f2d32c95cd12f0ef