[INFO] cloning repository https://github.com/omerahmer/linked-lists-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/omerahmer/linked-lists-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fomerahmer%2Flinked-lists-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fomerahmer%2Flinked-lists-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 406c3809d993c64ec1759abdfec61572d67acd17
[INFO] testing omerahmer/linked-lists-rust against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fomerahmer%2Flinked-lists-rust" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/omerahmer/linked-lists-rust
[INFO] finished tweaking git repo https://github.com/omerahmer/linked-lists-rust
[INFO] tweaked toml for git repo https://github.com/omerahmer/linked-lists-rust written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/omerahmer/linked-lists-rust on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/omerahmer/linked-lists-rust 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 03ca793d61a1271fb17dd3cefdf512e46e8741d93070d1c879d49fed3d66c994
[INFO] running `Command { std: "docker" "start" "-a" "03ca793d61a1271fb17dd3cefdf512e46e8741d93070d1c879d49fed3d66c994", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03ca793d61a1271fb17dd3cefdf512e46e8741d93070d1c879d49fed3d66c994", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03ca793d61a1271fb17dd3cefdf512e46e8741d93070d1c879d49fed3d66c994", kill_on_drop: false }`
[INFO] [stdout] 03ca793d61a1271fb17dd3cefdf512e46e8741d93070d1c879d49fed3d66c994
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2963b6d48d58ab54486718bf656b4c42d6877e1488113fdf95541a1ad900c42
[INFO] running `Command { std: "docker" "start" "-a" "e2963b6d48d58ab54486718bf656b4c42d6877e1488113fdf95541a1ad900c42", kill_on_drop: false }`
[INFO] [stderr]    Compiling lists v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/first.rs:47:29
[INFO] [stdout]    |
[INFO] [stdout] 47 |                 self.head = node.next;
[INFO] [stdout]    |                 ---------   ^^^^^^^^^ expected `Link`, found `List`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 expected due to the type of this binding
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lists` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "e2963b6d48d58ab54486718bf656b4c42d6877e1488113fdf95541a1ad900c42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2963b6d48d58ab54486718bf656b4c42d6877e1488113fdf95541a1ad900c42", kill_on_drop: false }`
[INFO] [stdout] e2963b6d48d58ab54486718bf656b4c42d6877e1488113fdf95541a1ad900c42