[INFO] cloning repository https://github.com/spuentesp/cpu_combat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/spuentesp/cpu_combat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspuentesp%2Fcpu_combat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspuentesp%2Fcpu_combat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 66f7352f15c63548837153213561ee6072cfaa46
[INFO] checking spuentesp/cpu_combat against try#a611f2a14e38407ec6717a86a01424ee6fc80762 for pr-154992
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspuentesp%2Fcpu_combat" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/spuentesp/cpu_combat
[INFO] finished tweaking git repo https://github.com/spuentesp/cpu_combat
[INFO] tweaked toml for git repo https://github.com/spuentesp/cpu_combat written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/spuentesp/cpu_combat on toolchain a611f2a14e38407ec6717a86a01424ee6fc80762
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a611f2a14e38407ec6717a86a01424ee6fc80762" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/spuentesp/cpu_combat 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" "+a611f2a14e38407ec6717a86a01424ee6fc80762" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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 indicatif v0.17.12
[INFO] [stderr]   Downloaded sysinfo v0.35.2
[INFO] [stderr]   Downloaded tokio v1.46.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+a611f2a14e38407ec6717a86a01424ee6fc80762" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63edcb73dd84f0e4237115556e6eec2a772ff3f7ac6b021572e4024149bb1997
[INFO] running `Command { std: "docker" "start" "-a" "63edcb73dd84f0e4237115556e6eec2a772ff3f7ac6b021572e4024149bb1997", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63edcb73dd84f0e4237115556e6eec2a772ff3f7ac6b021572e4024149bb1997", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63edcb73dd84f0e4237115556e6eec2a772ff3f7ac6b021572e4024149bb1997", kill_on_drop: false }`
[INFO] [stdout] 63edcb73dd84f0e4237115556e6eec2a772ff3f7ac6b021572e4024149bb1997
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+a611f2a14e38407ec6717a86a01424ee6fc80762" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 586095e97068486ea258d492e0a2e78eeff78329b708b5db32910e170c0e88e8
[INFO] running `Command { std: "docker" "start" "-a" "586095e97068486ea258d492e0a2e78eeff78329b708b5db32910e170c0e88e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]     Checking cfg-if v1.0.1
[INFO] [stderr]     Checking unty v0.0.4
[INFO] [stderr]     Checking tracing-core v0.1.34
[INFO] [stderr]     Checking unicode-width v0.2.1
[INFO] [stderr]     Checking unit-prefix v0.5.1
[INFO] [stderr]     Checking arbiter v0.1.0 (/opt/rustwide/workdir/arbiter)
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking rayon-core v1.12.1
[INFO] [stderr]     Checking bincode v2.0.1
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking thread_local v1.1.9
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking tracing-subscriber v0.3.19
[INFO] [stderr]     Checking parking_lot_core v0.9.11
[INFO] [stderr]     Checking sysinfo v0.35.2
[INFO] [stderr]     Checking console v0.16.0
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]     Checking socket2 v0.5.10
[INFO] [stderr]     Checking signal-hook-registry v1.4.5
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]     Checking indicatif v0.17.12
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]     Checking tokio v1.46.0
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking core-challenges v0.1.0 (/opt/rustwide/workdir/core-challenges)
[INFO] [stderr]     Checking competitor v0.1.0 (/opt/rustwide/workdir/competitor)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> competitor/src/main.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |     let mut difficulty = 4; // Dificultad inicial estándar
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> competitor/src/main.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |     let mut difficulty = 4; // Dificultad inicial estándar
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.48s
[INFO] running `Command { std: "docker" "inspect" "586095e97068486ea258d492e0a2e78eeff78329b708b5db32910e170c0e88e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "586095e97068486ea258d492e0a2e78eeff78329b708b5db32910e170c0e88e8", kill_on_drop: false }`
[INFO] [stdout] 586095e97068486ea258d492e0a2e78eeff78329b708b5db32910e170c0e88e8