[INFO] cloning repository https://github.com/eddiemcnally/dolphin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eddiemcnally/dolphin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feddiemcnally%2Fdolphin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feddiemcnally%2Fdolphin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0a22b106cdb8874f3b4116700945f93248dd8e4a
[INFO] checking eddiemcnally/dolphin against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feddiemcnally%2Fdolphin" "/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/eddiemcnally/dolphin on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/eddiemcnally/dolphin
[INFO] finished tweaking git repo https://github.com/eddiemcnally/dolphin
[INFO] tweaked toml for git repo https://github.com/eddiemcnally/dolphin written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/eddiemcnally/dolphin 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded core_affinity v0.5.10
[INFO] [stderr]   Downloaded core_affinity v0.8.1
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c9425bb07f85b485d17bf1e9a205e1443f7f3447c50640e2c7fe6d87964c038
[INFO] running `Command { std: "docker" "start" "-a" "0c9425bb07f85b485d17bf1e9a205e1443f7f3447c50640e2c7fe6d87964c038", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c9425bb07f85b485d17bf1e9a205e1443f7f3447c50640e2c7fe6d87964c038", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c9425bb07f85b485d17bf1e9a205e1443f7f3447c50640e2c7fe6d87964c038", kill_on_drop: false }`
[INFO] [stdout] 0c9425bb07f85b485d17bf1e9a205e1443f7f3447c50640e2c7fe6d87964c038
[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" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58b8446cd14953b3dcc6d979075e5a3355f86ea5a8e993c090b564172e9b5d76
[INFO] running `Command { std: "docker" "start" "-a" "58b8446cd14953b3dcc6d979075e5a3355f86ea5a8e993c090b564172e9b5d76", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking core_affinity v0.8.1
[INFO] [stderr]     Checking core_affinity v0.5.10
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_seeder v0.2.3
[INFO] [stderr]     Checking rand_xoshiro v0.6.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking dolphin_core v0.1.0 (/opt/rustwide/workdir/dolphin_core)
[INFO] [stdout] warning: struct `Stats` is never constructed
[INFO] [stdout]   --> dolphin_core/src/search_engine/tt.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | struct Stats {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Stats` has a derived impl for the trait `Default`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking dolphin_engine v0.1.0 (/opt/rustwide/workdir/dolphin_engine)
[INFO] [stderr]     Checking perft v0.1.0 (/opt/rustwide/workdir/perft)
[INFO] [stdout] warning: struct `Stats` is never constructed
[INFO] [stdout]   --> dolphin_core/src/search_engine/tt.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | struct Stats {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Stats` has a derived impl for the trait `Default`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.90s
[INFO] running `Command { std: "docker" "inspect" "58b8446cd14953b3dcc6d979075e5a3355f86ea5a8e993c090b564172e9b5d76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58b8446cd14953b3dcc6d979075e5a3355f86ea5a8e993c090b564172e9b5d76", kill_on_drop: false }`
[INFO] [stdout] 58b8446cd14953b3dcc6d979075e5a3355f86ea5a8e993c090b564172e9b5d76