[INFO] cloning repository https://github.com/EliseJane/linked-lists
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EliseJane/linked-lists" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEliseJane%2Flinked-lists", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEliseJane%2Flinked-lists'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3e5579342cc41717f494106c3bcbf16f1d0c6ece
[INFO] testing EliseJane/linked-lists against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEliseJane%2Flinked-lists" "/workspace/builds/worker-92/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-92/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/EliseJane/linked-lists on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/EliseJane/linked-lists
[INFO] finished tweaking git repo https://github.com/EliseJane/linked-lists
[INFO] tweaked toml for git repo https://github.com/EliseJane/linked-lists written to /workspace/builds/worker-92/source/Cargo.toml
[INFO] crate git repo https://github.com/EliseJane/linked-lists already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 20f3c2ada9418a52157d68b152250b80b518f5fd8b7b0f07727504c0633cf565
[INFO] running `Command { std: "docker" "start" "-a" "20f3c2ada9418a52157d68b152250b80b518f5fd8b7b0f07727504c0633cf565", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20f3c2ada9418a52157d68b152250b80b518f5fd8b7b0f07727504c0633cf565", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20f3c2ada9418a52157d68b152250b80b518f5fd8b7b0f07727504c0633cf565", kill_on_drop: false }`
[INFO] [stdout] 20f3c2ada9418a52157d68b152250b80b518f5fd8b7b0f07727504c0633cf565
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dcacc5942c79b2c6e076edf2ac7d063d14bc790abcc6415d4f4aa1a782b2e44e
[INFO] running `Command { std: "docker" "start" "-a" "dcacc5942c79b2c6e076edf2ac7d063d14bc790abcc6415d4f4aa1a782b2e44e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling lists v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: borrow expressions cannot be annotated with lifetimes
[INFO] [stdout]   --> src/second.rs:30:17
[INFO] [stdout]    |
[INFO] [stdout] 30 |                 &'a *node
[INFO] [stdout]    |                 ^--^^^^^^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  annotated with lifetime here
[INFO] [stdout]    |                  help: remove the lifetime annotation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `!`, `+`, `::`, `;`, `where`, or `{`, found `>`
[INFO] [stdout]   --> src/second.rs:82:48
[INFO] [stdout]    |
[INFO] [stdout] 80 | impl<'a, T> Iterator for Iter<'a, T> {
[INFO] [stdout]    |                                      - while parsing this item list starting here
[INFO] [stdout] 81 |     type Item = &'a T;
[INFO] [stdout] 82 |     fn next(&'a mut self) -> Option<Self::Item>> {
[INFO] [stdout]    |                                                ^ expected one of `!`, `+`, `::`, `;`, `where`, or `{`
[INFO] [stdout] ...
[INFO] [stdout] 88 | }
[INFO] [stdout]    | - the item list ends here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0046]: not all trait items implemented, missing: `next`
[INFO] [stdout]   --> src/second.rs:80:1
[INFO] [stdout]    |
[INFO] [stdout] 80 | impl<'a, T> Iterator for Iter<'a, T> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ missing `next` in implementation
[INFO] [stdout]    |
[INFO] [stdout]    = help: implement the missing item: `fn next(&mut self) -> Option<<Self as Iterator>::Item> { todo!() }`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0046`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lists` due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "dcacc5942c79b2c6e076edf2ac7d063d14bc790abcc6415d4f4aa1a782b2e44e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcacc5942c79b2c6e076edf2ac7d063d14bc790abcc6415d4f4aa1a782b2e44e", kill_on_drop: false }`
[INFO] [stdout] dcacc5942c79b2c6e076edf2ac7d063d14bc790abcc6415d4f4aa1a782b2e44e