[INFO] cloning repository https://github.com/jappeace/rust-doublyy-linked-list
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jappeace/rust-doublyy-linked-list" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjappeace%2Frust-doublyy-linked-list", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjappeace%2Frust-doublyy-linked-list'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 618cce91e8cada945c1f8eab5704d1baab883334
[INFO] testing jappeace/rust-doublyy-linked-list against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_in_2025-retry-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjappeace%2Frust-doublyy-linked-list" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jappeace/rust-doublyy-linked-list
[INFO] finished tweaking git repo https://github.com/jappeace/rust-doublyy-linked-list
[INFO] tweaked toml for git repo https://github.com/jappeace/rust-doublyy-linked-list written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jappeace/rust-doublyy-linked-list on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jappeace/rust-doublyy-linked-list 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 240afa3ba02ebfc2b15a4d33555632871a9afebc72ff15233c770242f4dcda5c
[INFO] running `Command { std: "docker" "start" "-a" "240afa3ba02ebfc2b15a4d33555632871a9afebc72ff15233c770242f4dcda5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "240afa3ba02ebfc2b15a4d33555632871a9afebc72ff15233c770242f4dcda5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "240afa3ba02ebfc2b15a4d33555632871a9afebc72ff15233c770242f4dcda5c", kill_on_drop: false }`
[INFO] [stdout] 240afa3ba02ebfc2b15a4d33555632871a9afebc72ff15233c770242f4dcda5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 4a18bf9fed907969b5cd14ffe21500a27ffaf9f6a4e0cae8f35ec5a492d3d08e
[INFO] running `Command { std: "docker" "start" "-a" "4a18bf9fed907969b5cd14ffe21500a27ffaf9f6a4e0cae8f35ec5a492d3d08e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-d-linked-list v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/main.rs:88:16
[INFO] [stdout]    |
[INFO] [stdout] 88 |     let val3 = (second.read().unwrap().val);
[INFO] [stdout]    |                ^                          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 88 -     let val3 = (second.read().unwrap().val);
[INFO] [stdout] 88 +     let val3 = second.read().unwrap().val;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `nineAsHead` should have a snake case name
[INFO] [stdout]    --> src/main.rs:109:9
[INFO] [stdout]     |
[INFO] [stdout] 109 |     let nineAsHead = drop_head((elem.tail)());
[INFO] [stdout]     |         ^^^^^^^^^^ help: convert the identifier to snake case: `nine_as_head`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device
[INFO] [stderr] error: could not compile `rust-d-linked-list` (bin "rust-d-linked-list"); 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/bin/rustc --crate-name rust_d_linked_list --edition=2021 src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=8209d58033b942e5 -C extra-filename=-aaa2fe7980cea94c --out-dir /opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps --target x86_64-unknown-linux-musl -L dependency=/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "4a18bf9fed907969b5cd14ffe21500a27ffaf9f6a4e0cae8f35ec5a492d3d08e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a18bf9fed907969b5cd14ffe21500a27ffaf9f6a4e0cae8f35ec5a492d3d08e", kill_on_drop: false }`
[INFO] [stdout] 4a18bf9fed907969b5cd14ffe21500a27ffaf9f6a4e0cae8f35ec5a492d3d08e