[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#c066bf6804adc55193b71afdff6a56922f4a8689+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-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/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-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jappeace/rust-doublyy-linked-list on toolchain c066bf6804adc55193b71afdff6a56922f4a8689
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "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" "+c066bf6804adc55193b71afdff6a56922f4a8689" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c19284a2fea42c4fd2ffb2db590201149df3073059e746a1b8221816fce607c
[INFO] running `Command { std: "docker" "start" "-a" "9c19284a2fea42c4fd2ffb2db590201149df3073059e746a1b8221816fce607c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c19284a2fea42c4fd2ffb2db590201149df3073059e746a1b8221816fce607c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c19284a2fea42c4fd2ffb2db590201149df3073059e746a1b8221816fce607c", kill_on_drop: false }`
[INFO] [stdout] 9c19284a2fea42c4fd2ffb2db590201149df3073059e746a1b8221816fce607c
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] c0a0f119fc027adb909a9af0db1bdfd6120047c2ce45a7e69b866622052e930d
[INFO] running `Command { std: "docker" "start" "-a" "c0a0f119fc027adb909a9af0db1bdfd6120047c2ce45a7e69b866622052e930d", 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]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "c0a0f119fc027adb909a9af0db1bdfd6120047c2ce45a7e69b866622052e930d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0a0f119fc027adb909a9af0db1bdfd6120047c2ce45a7e69b866622052e930d", kill_on_drop: false }`
[INFO] [stdout] c0a0f119fc027adb909a9af0db1bdfd6120047c2ce45a7e69b866622052e930d
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 2293b83a115fac582b3cd83bdf1580f279a008a1fe55b22f67036545a0e1fdaf
[INFO] running `Command { std: "docker" "start" "-a" "2293b83a115fac582b3cd83bdf1580f279a008a1fe55b22f67036545a0e1fdaf", 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]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "2293b83a115fac582b3cd83bdf1580f279a008a1fe55b22f67036545a0e1fdaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2293b83a115fac582b3cd83bdf1580f279a008a1fe55b22f67036545a0e1fdaf", kill_on_drop: false }`
[INFO] [stdout] 2293b83a115fac582b3cd83bdf1580f279a008a1fe55b22f67036545a0e1fdaf
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 61a6797ba698ded1a9ca1b895315afc0df50510168ac02f19f4ac27567fb6cf0
[INFO] running `Command { std: "docker" "start" "-a" "61a6797ba698ded1a9ca1b895315afc0df50510168ac02f19f4ac27567fb6cf0", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/ef099eed14280786210199dde255e9b02bd921e71897c5499216f1660acf6486/merged: no space left on device
[INFO] running `Command { std: "docker" "inspect" "61a6797ba698ded1a9ca1b895315afc0df50510168ac02f19f4ac27567fb6cf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61a6797ba698ded1a9ca1b895315afc0df50510168ac02f19f4ac27567fb6cf0", kill_on_drop: false }`
[INFO] [stdout] 61a6797ba698ded1a9ca1b895315afc0df50510168ac02f19f4ac27567fb6cf0