[INFO] cloning repository https://github.com/SHADOW191918110/Concepts-understanding-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SHADOW191918110/Concepts-understanding-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSHADOW191918110%2FConcepts-understanding-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSHADOW191918110%2FConcepts-understanding-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f95e0900b93acc0196cce504d6d06a958d5d146b
[INFO] testing SHADOW191918110/Concepts-understanding-rust against beta-2025-09-21 for beta-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSHADOW191918110%2FConcepts-understanding-rust" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/SHADOW191918110/Concepts-understanding-rust
[INFO] finished tweaking git repo https://github.com/SHADOW191918110/Concepts-understanding-rust
[INFO] tweaked toml for git repo https://github.com/SHADOW191918110/Concepts-understanding-rust written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/SHADOW191918110/Concepts-understanding-rust on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/SHADOW191918110/Concepts-understanding-rust 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" "+beta-2025-09-21" "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 wit-bindgen v0.45.1
[INFO] [stderr]   Downloaded wasi v0.14.5+wasi-0.2.4
[INFO] [stderr]   Downloaded wasip2 v1.0.0+wasi-0.2.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 83528d97c5312a813cb3d33921d8ed47197cdf0282ad0c5ada8b1144bf553242
[INFO] running `Command { std: "docker" "start" "-a" "83528d97c5312a813cb3d33921d8ed47197cdf0282ad0c5ada8b1144bf553242", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83528d97c5312a813cb3d33921d8ed47197cdf0282ad0c5ada8b1144bf553242", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83528d97c5312a813cb3d33921d8ed47197cdf0282ad0c5ada8b1144bf553242", kill_on_drop: false }`
[INFO] [stdout] 83528d97c5312a813cb3d33921d8ed47197cdf0282ad0c5ada8b1144bf553242
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb73b04806eb915fcddaa9d7847afe79569171fc90e800c3ea3e7dbd611d510d
[INFO] running `Command { std: "docker" "start" "-a" "cb73b04806eb915fcddaa9d7847afe79569171fc90e800c3ea3e7dbd611d510d", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling Concepts-understanding-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.78s
[INFO] running `Command { std: "docker" "inspect" "cb73b04806eb915fcddaa9d7847afe79569171fc90e800c3ea3e7dbd611d510d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb73b04806eb915fcddaa9d7847afe79569171fc90e800c3ea3e7dbd611d510d", kill_on_drop: false }`
[INFO] [stdout] cb73b04806eb915fcddaa9d7847afe79569171fc90e800c3ea3e7dbd611d510d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 907b64f08f932b17f1b8c25591b3ed6c814b0df22abcb71f013955c2a50fd624
[INFO] running `Command { std: "docker" "start" "-a" "907b64f08f932b17f1b8c25591b3ed6c814b0df22abcb71f013955c2a50fd624", kill_on_drop: false }`
[INFO] [stderr]    Compiling Concepts-understanding-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "907b64f08f932b17f1b8c25591b3ed6c814b0df22abcb71f013955c2a50fd624", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "907b64f08f932b17f1b8c25591b3ed6c814b0df22abcb71f013955c2a50fd624", kill_on_drop: false }`
[INFO] [stdout] 907b64f08f932b17f1b8c25591b3ed6c814b0df22abcb71f013955c2a50fd624
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5a025ef32d48c62cc8881051b2b536b8ad05b58db54169c2ce022c33641ff40c
[INFO] running `Command { std: "docker" "start" "-a" "5a025ef32d48c62cc8881051b2b536b8ad05b58db54169c2ce022c33641ff40c", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/Concepts_understanding_rust-911784c579c6f092)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5a025ef32d48c62cc8881051b2b536b8ad05b58db54169c2ce022c33641ff40c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a025ef32d48c62cc8881051b2b536b8ad05b58db54169c2ce022c33641ff40c", kill_on_drop: false }`
[INFO] [stdout] 5a025ef32d48c62cc8881051b2b536b8ad05b58db54169c2ce022c33641ff40c