[INFO] cloning repository https://github.com/Kewei-cpu/Rusty-City
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kewei-cpu/Rusty-City" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKewei-cpu%2FRusty-City", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKewei-cpu%2FRusty-City'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 78d117f2c5b0e3e331aed38e1820bb05939c2936
[INFO] building Kewei-cpu/Rusty-City against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKewei-cpu%2FRusty-City" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Kewei-cpu/Rusty-City on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Kewei-cpu/Rusty-City
[INFO] finished tweaking git repo https://github.com/Kewei-cpu/Rusty-City
[INFO] tweaked toml for git repo https://github.com/Kewei-cpu/Rusty-City written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Kewei-cpu/Rusty-City 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand v0.9.0-alpha.1
[INFO] [stderr]   Downloaded rand_chacha v0.9.0-alpha.1
[INFO] [stderr]   Downloaded rand_core v0.9.0-alpha.1
[INFO] [stderr]   Downloaded zerocopy-derive v0.8.0-alpha.6
[INFO] [stderr]   Downloaded zerocopy v0.8.0-alpha.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c545c5edfc6e12c4535b617c57ad5e1c69d41826e46e285ace13367195a6c128
[INFO] running `Command { std: "docker" "start" "-a" "c545c5edfc6e12c4535b617c57ad5e1c69d41826e46e285ace13367195a6c128", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c545c5edfc6e12c4535b617c57ad5e1c69d41826e46e285ace13367195a6c128", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c545c5edfc6e12c4535b617c57ad5e1c69d41826e46e285ace13367195a6c128", kill_on_drop: false }`
[INFO] [stdout] c545c5edfc6e12c4535b617c57ad5e1c69d41826e46e285ace13367195a6c128
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69a33122f38c3baade31c10f8d7220afd51deba172699ccf5a9cae533dcb71a1
[INFO] running `Command { std: "docker" "start" "-a" "69a33122f38c3baade31c10f8d7220afd51deba172699ccf5a9cae533dcb71a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling zerocopy v0.8.0-alpha.6
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.9.0-alpha.1
[INFO] [stderr]    Compiling rand_chacha v0.9.0-alpha.1
[INFO] [stderr]    Compiling rand v0.9.0-alpha.1
[INFO] [stderr]    Compiling rusty_city v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `total` is never used
[INFO] [stdout]   --> src/main.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 54 | impl Board<bool> {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] 55 |     fn total(&self) -> i32 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `benchmark` is never used
[INFO] [stdout]    --> src/main.rs:458:8
[INFO] [stdout]     |
[INFO] [stdout] 195 | impl Game {
[INFO] [stdout]     | --------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 458 |     fn benchmark(games: i32) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.17s
[INFO] running `Command { std: "docker" "inspect" "69a33122f38c3baade31c10f8d7220afd51deba172699ccf5a9cae533dcb71a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69a33122f38c3baade31c10f8d7220afd51deba172699ccf5a9cae533dcb71a1", kill_on_drop: false }`
[INFO] [stdout] 69a33122f38c3baade31c10f8d7220afd51deba172699ccf5a9cae533dcb71a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 533b6282a4bac9df6b3c52d1e9e43fa6a5293b1a82c0f22f5af037d5de2ebfe0
[INFO] running `Command { std: "docker" "start" "-a" "533b6282a4bac9df6b3c52d1e9e43fa6a5293b1a82c0f22f5af037d5de2ebfe0", kill_on_drop: false }`
[INFO] [stderr]    Compiling rusty_city v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `total` is never used
[INFO] [stdout]   --> src/main.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 54 | impl Board<bool> {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] 55 |     fn total(&self) -> i32 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `benchmark` is never used
[INFO] [stdout]    --> src/main.rs:458:8
[INFO] [stdout]     |
[INFO] [stdout] 195 | impl Game {
[INFO] [stdout]     | --------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 458 |     fn benchmark(games: i32) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "533b6282a4bac9df6b3c52d1e9e43fa6a5293b1a82c0f22f5af037d5de2ebfe0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "533b6282a4bac9df6b3c52d1e9e43fa6a5293b1a82c0f22f5af037d5de2ebfe0", kill_on_drop: false }`
[INFO] [stdout] 533b6282a4bac9df6b3c52d1e9e43fa6a5293b1a82c0f22f5af037d5de2ebfe0