[INFO] cloning repository https://github.com/yoyos12138/data-structure
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yoyos12138/data-structure" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyoyos12138%2Fdata-structure", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyoyos12138%2Fdata-structure'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e3c31dd3441910316aeb3d1a5589653d9ee73566
[INFO] testing yoyos12138/data-structure 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%2Fyoyos12138%2Fdata-structure" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/yoyos12138/data-structure
[INFO] finished tweaking git repo https://github.com/yoyos12138/data-structure
[INFO] tweaked toml for git repo https://github.com/yoyos12138/data-structure written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/yoyos12138/data-structure 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/yoyos12138/data-structure 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 577216def86df40861be574c59049750b423f65d22648df67fc2902da279a3e6
[INFO] running `Command { std: "docker" "start" "-a" "577216def86df40861be574c59049750b423f65d22648df67fc2902da279a3e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "577216def86df40861be574c59049750b423f65d22648df67fc2902da279a3e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "577216def86df40861be574c59049750b423f65d22648df67fc2902da279a3e6", kill_on_drop: false }`
[INFO] [stdout] 577216def86df40861be574c59049750b423f65d22648df67fc2902da279a3e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] c35fb53c0dff07ad977c518b166c1d27cf9f090df066873a00227f2e81dde937
[INFO] running `Command { std: "docker" "start" "-a" "c35fb53c0dff07ad977c518b166c1d27cf9f090df066873a00227f2e81dde937", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling ttt v0.1.0 (/opt/rustwide/workdir/ttt)
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling singly_linked_list v0.1.0 (/opt/rustwide/workdir/singly_linked_list)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.04s
[INFO] running `Command { std: "docker" "inspect" "c35fb53c0dff07ad977c518b166c1d27cf9f090df066873a00227f2e81dde937", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c35fb53c0dff07ad977c518b166c1d27cf9f090df066873a00227f2e81dde937", kill_on_drop: false }`
[INFO] [stdout] c35fb53c0dff07ad977c518b166c1d27cf9f090df066873a00227f2e81dde937
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 3f02c9c3d5faae7c05357acb952a4d12f02b32d7691ff5139834d885ff8a4522
[INFO] running `Command { std: "docker" "start" "-a" "3f02c9c3d5faae7c05357acb952a4d12f02b32d7691ff5139834d885ff8a4522", kill_on_drop: false }`
[INFO] [stderr]    Compiling ttt v0.1.0 (/opt/rustwide/workdir/ttt)
[INFO] [stderr]    Compiling singly_linked_list v0.1.0 (/opt/rustwide/workdir/singly_linked_list)
[INFO] [stdout] warning: unused import: `thread_rng`
[INFO] [stdout]   --> singly_linked_list/src/main.rs:75:16
[INFO] [stdout]    |
[INFO] [stdout] 75 |     use rand::{thread_rng, Rng};
[INFO] [stdout]    |                ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "3f02c9c3d5faae7c05357acb952a4d12f02b32d7691ff5139834d885ff8a4522", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f02c9c3d5faae7c05357acb952a4d12f02b32d7691ff5139834d885ff8a4522", kill_on_drop: false }`
[INFO] [stdout] 3f02c9c3d5faae7c05357acb952a4d12f02b32d7691ff5139834d885ff8a4522
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 98922e0707de2f80eb0ab7c37c5066cae79232a02d0ff9343465d507cf5c781e
[INFO] running `Command { std: "docker" "start" "-a" "98922e0707de2f80eb0ab7c37c5066cae79232a02d0ff9343465d507cf5c781e", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `thread_rng`
[INFO] [stderr]   --> singly_linked_list/src/main.rs:75:16
[INFO] [stderr]    |
[INFO] [stderr] 75 |     use rand::{thread_rng, Rng};
[INFO] [stderr]    |                ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `singly_linked_list` (bin "singly_linked_list" test) generated 1 warning (run `cargo fix --bin "singly_linked_list" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/singly_linked_list-3613939eb55cafdb)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr] error: test failed, to rerun pass `-p singly_linked_list --bin singly_linked_list`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/singly_linked_list-3613939eb55cafdb` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "98922e0707de2f80eb0ab7c37c5066cae79232a02d0ff9343465d507cf5c781e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98922e0707de2f80eb0ab7c37c5066cae79232a02d0ff9343465d507cf5c781e", kill_on_drop: false }`
[INFO] [stdout] 98922e0707de2f80eb0ab7c37c5066cae79232a02d0ff9343465d507cf5c781e
