[INFO] cloning repository https://github.com/yoshiyahoo/rust_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/yoshiyahoo/rust_linked_list" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyoshiyahoo%2Frust_linked_list", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyoshiyahoo%2Frust_linked_list'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2cd03da22d737ddc941fcac2f15b4bef51afb2ac
[INFO] testing yoshiyahoo/rust_linked_list against beta-2024-12-08 for beta-1.84.0-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyoshiyahoo%2Frust_linked_list" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yoshiyahoo/rust_linked_list on toolchain beta-2024-12-08
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-12-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yoshiyahoo/rust_linked_list
[INFO] finished tweaking git repo https://github.com/yoshiyahoo/rust_linked_list
[INFO] tweaked toml for git repo https://github.com/yoshiyahoo/rust_linked_list written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/yoshiyahoo/rust_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" "+beta-2024-12-08" "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
[ERROR] error running command: no output for 300 seconds
[INFO] testing yoshiyahoo/rust_linked_list against beta-2024-12-08 for beta-1.84.0-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyoshiyahoo%2Frust_linked_list" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yoshiyahoo/rust_linked_list on toolchain beta-2024-12-08
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-12-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yoshiyahoo/rust_linked_list
[INFO] finished tweaking git repo https://github.com/yoshiyahoo/rust_linked_list
[INFO] tweaked toml for git repo https://github.com/yoshiyahoo/rust_linked_list written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/yoshiyahoo/rust_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" "+beta-2024-12-08" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae49b05741afecd22ba16cf939cbd8941ba397e54e8a6c326c3b107228c3cad4
[INFO] running `Command { std: "docker" "start" "-a" "ae49b05741afecd22ba16cf939cbd8941ba397e54e8a6c326c3b107228c3cad4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae49b05741afecd22ba16cf939cbd8941ba397e54e8a6c326c3b107228c3cad4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae49b05741afecd22ba16cf939cbd8941ba397e54e8a6c326c3b107228c3cad4", kill_on_drop: false }`
[INFO] [stdout] ae49b05741afecd22ba16cf939cbd8941ba397e54e8a6c326c3b107228c3cad4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f605ec2f829efe1b7487fdb46c89d204f663d086157c25d79682d1e954cec067
[INFO] running `Command { std: "docker" "start" "-a" "f605ec2f829efe1b7487fdb46c89d204f663d086157c25d79682d1e954cec067", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_linked_list v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `get_element`, `get_length`, and `is_empty` are never used
[INFO] [stdout]    --> src/linked_list.rs:113:12
[INFO] [stdout]     |
[INFO] [stdout] 58  | impl<T> LinkedList<T> {
[INFO] [stdout]     | --------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 113 |     pub fn get_element(&self, position: usize) -> Result<&T, &str> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 131 |     pub fn get_length(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 171 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "f605ec2f829efe1b7487fdb46c89d204f663d086157c25d79682d1e954cec067", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f605ec2f829efe1b7487fdb46c89d204f663d086157c25d79682d1e954cec067", kill_on_drop: false }`
[INFO] [stdout] f605ec2f829efe1b7487fdb46c89d204f663d086157c25d79682d1e954cec067
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d77c17dafb6e07272da1c5eb287081f4d37679ac2bfcb22513f8b31f3833c778
[INFO] running `Command { std: "docker" "start" "-a" "d77c17dafb6e07272da1c5eb287081f4d37679ac2bfcb22513f8b31f3833c778", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_linked_list v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `get_length` and `is_empty` are never used
[INFO] [stdout]    --> src/linked_list.rs:131:12
[INFO] [stdout]     |
[INFO] [stdout] 58  | impl<T> LinkedList<T> {
[INFO] [stdout]     | --------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 131 |     pub fn get_length(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 171 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "d77c17dafb6e07272da1c5eb287081f4d37679ac2bfcb22513f8b31f3833c778", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d77c17dafb6e07272da1c5eb287081f4d37679ac2bfcb22513f8b31f3833c778", kill_on_drop: false }`
[INFO] [stdout] d77c17dafb6e07272da1c5eb287081f4d37679ac2bfcb22513f8b31f3833c778
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cd51dd8123c929fe5c9166fce44e152377aa87034e003d8862dac4448b754b88
[INFO] running `Command { std: "docker" "start" "-a" "cd51dd8123c929fe5c9166fce44e152377aa87034e003d8862dac4448b754b88", kill_on_drop: false }`
[INFO] [stderr] warning: methods `get_length` and `is_empty` are never used
[INFO] [stderr]    --> src/linked_list.rs:131:12
[INFO] [stderr]     |
[INFO] [stderr] 58  | impl<T> LinkedList<T> {
[INFO] [stderr]     | --------------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 131 |     pub fn get_length(&self) -> usize {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 171 |     pub fn is_empty(&self) -> bool {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_linked_list` (bin "rust_linked_list" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_linked_list-2fac436602882725)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr] tcache_thread_shutdown(): unaligned tcache chunk detected
[INFO] [stderr] error: test failed, to rerun pass `--bin rust_linked_list`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/rust_linked_list-2fac436602882725` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "cd51dd8123c929fe5c9166fce44e152377aa87034e003d8862dac4448b754b88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd51dd8123c929fe5c9166fce44e152377aa87034e003d8862dac4448b754b88", kill_on_drop: false }`
[INFO] [stdout] cd51dd8123c929fe5c9166fce44e152377aa87034e003d8862dac4448b754b88