[INFO] cloning repository https://github.com/Arcaster42/rust-data-structures
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Arcaster42/rust-data-structures" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArcaster42%2Frust-data-structures", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArcaster42%2Frust-data-structures'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 52f61e6b91ad52d3a843bd60372bf5ba2dad82aa
[INFO] testing Arcaster42/rust-data-structures against 1.75.0 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArcaster42%2Frust-data-structures" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Arcaster42/rust-data-structures on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Arcaster42/rust-data-structures
[INFO] finished tweaking git repo https://github.com/Arcaster42/rust-data-structures
[INFO] tweaked toml for git repo https://github.com/Arcaster42/rust-data-structures written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Arcaster42/rust-data-structures 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3cdfe4c908b9997e7d38380974fa1741eba066e9a6170ebfd45a549b47f1bdc4
[INFO] running `Command { std: "docker" "start" "-a" "3cdfe4c908b9997e7d38380974fa1741eba066e9a6170ebfd45a549b47f1bdc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3cdfe4c908b9997e7d38380974fa1741eba066e9a6170ebfd45a549b47f1bdc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cdfe4c908b9997e7d38380974fa1741eba066e9a6170ebfd45a549b47f1bdc4", kill_on_drop: false }`
[INFO] [stdout] 3cdfe4c908b9997e7d38380974fa1741eba066e9a6170ebfd45a549b47f1bdc4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f49b5359d0733d170494203a36bae1ecf9ef99b6507805b645578fb0b9596a35
[INFO] running `Command { std: "docker" "start" "-a" "f49b5359d0733d170494203a36bae1ecf9ef99b6507805b645578fb0b9596a35", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-data-structures v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/linked_list.rs:43:53
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl<T: PartialEq> LinkedList<T> {
[INFO] [stdout]    |      - found this type parameter
[INFO] [stdout] ...
[INFO] [stdout] 43 |             if node.next.as_ref().unwrap().value == *value {
[INFO] [stdout]    |                ---------------------------------    ^^^^^^ expected `Option<T>`, found type parameter `T`
[INFO] [stdout]    |                |
[INFO] [stdout]    |                expected because this is `Option<T>`
[INFO] [stdout]    |
[INFO] [stdout]    = note:        expected enum `Option<T>`
[INFO] [stdout]            found type parameter `T`
[INFO] [stdout] help: try wrapping the expression in `Some`
[INFO] [stdout]    |
[INFO] [stdout] 43 |             if node.next.as_ref().unwrap().value == Some(*value) {
[INFO] [stdout]    |                                                     +++++      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-data-structures` (bin "rust-data-structures") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "f49b5359d0733d170494203a36bae1ecf9ef99b6507805b645578fb0b9596a35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f49b5359d0733d170494203a36bae1ecf9ef99b6507805b645578fb0b9596a35", kill_on_drop: false }`
[INFO] [stdout] f49b5359d0733d170494203a36bae1ecf9ef99b6507805b645578fb0b9596a35
