[INFO] cloning repository https://github.com/Logickin-Lambda/learn_rust_with_linklist
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Logickin-Lambda/learn_rust_with_linklist" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLogickin-Lambda%2Flearn_rust_with_linklist", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLogickin-Lambda%2Flearn_rust_with_linklist'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 13bbd6c65127de8a4cf2bcee7dda6d42b8f1d90b
[INFO] checking Logickin-Lambda/learn_rust_with_linklist/13bbd6c65127de8a4cf2bcee7dda6d42b8f1d90b against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLogickin-Lambda%2Flearn_rust_with_linklist" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Logickin-Lambda/learn_rust_with_linklist on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Logickin-Lambda/learn_rust_with_linklist
[INFO] finished tweaking git repo https://github.com/Logickin-Lambda/learn_rust_with_linklist
[INFO] tweaked toml for git repo https://github.com/Logickin-Lambda/learn_rust_with_linklist written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Logickin-Lambda/learn_rust_with_linklist 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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eddf6ab4742a0074f1452e6219cad86ecf9e7a70a990820efe5a0d69c8169238
[INFO] running `Command { std: "docker" "start" "-a" "eddf6ab4742a0074f1452e6219cad86ecf9e7a70a990820efe5a0d69c8169238", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eddf6ab4742a0074f1452e6219cad86ecf9e7a70a990820efe5a0d69c8169238", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eddf6ab4742a0074f1452e6219cad86ecf9e7a70a990820efe5a0d69c8169238", kill_on_drop: false }`
[INFO] [stdout] eddf6ab4742a0074f1452e6219cad86ecf9e7a70a990820efe5a0d69c8169238
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90facdb4d4c388a130638c5058a6189aadf8b265ce6eb673b94494198b35ff7f
[INFO] running `Command { std: "docker" "start" "-a" "90facdb4d4c388a130638c5058a6189aadf8b265ce6eb673b94494198b35ff7f", kill_on_drop: false }`
[INFO] [stderr]     Checking learn_rust_with_linklist v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::BadLinkedList`
[INFO] [stdout]   --> src/bad_linklist.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |     use super::BadLinkedList;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/bad_linklist.rs:74:1
[INFO] [stdout]    |
[INFO] [stdout] 74 | mod bad_linklist_test{
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ListContent` is never constructed
[INFO] [stdout]  --> src/bad_linklist.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct ListContent{
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ListNode` is never used
[INFO] [stdout]   --> src/bad_linklist.rs:13:6
[INFO] [stdout]    |
[INFO] [stdout] 13 | enum ListNode{
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BadLinkedList` is never constructed
[INFO] [stdout]   --> src/bad_linklist.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct BadLinkedList{
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `push`, and `pop` are never used
[INFO] [stdout]   --> src/bad_linklist.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl BadLinkedList{
[INFO] [stdout]    | ------------------ associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn push(&mut self, input: i32){
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub fn pop(&mut self) -> Option<i32>{
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "90facdb4d4c388a130638c5058a6189aadf8b265ce6eb673b94494198b35ff7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90facdb4d4c388a130638c5058a6189aadf8b265ce6eb673b94494198b35ff7f", kill_on_drop: false }`
[INFO] [stdout] 90facdb4d4c388a130638c5058a6189aadf8b265ce6eb673b94494198b35ff7f