[INFO] cloning repository https://github.com/KmK33/rust-linkList-practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KmK33/rust-linkList-practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKmK33%2Frust-linkList-practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKmK33%2Frust-linkList-practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 966d2300c57c2aaa592ad632b8ba47267cd4d7bb
[INFO] checking KmK33/rust-linkList-practice against 3154cc1a3e6424e44f438a95007d043ed5ceaaf6+rustflags=-Znext-solver=coherence for pr-133502-30
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKmK33%2Frust-linkList-practice" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/KmK33/rust-linkList-practice
[INFO] finished tweaking git repo https://github.com/KmK33/rust-linkList-practice
[INFO] tweaked toml for git repo https://github.com/KmK33/rust-linkList-practice written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/KmK33/rust-linkList-practice on toolchain 3154cc1a3e6424e44f438a95007d043ed5ceaaf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/KmK33/rust-linkList-practice 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" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] a74e6498303fcde5c36b7853691fcfb39dc56a8cb146c47c0cb3177795224cd6
[INFO] running `Command { std: "docker" "start" "a74e6498303fcde5c36b7853691fcfb39dc56a8cb146c47c0cb3177795224cd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a74e6498303fcde5c36b7853691fcfb39dc56a8cb146c47c0cb3177795224cd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a74e6498303fcde5c36b7853691fcfb39dc56a8cb146c47c0cb3177795224cd6" "/opt/rustwide/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a74e6498303fcde5c36b7853691fcfb39dc56a8cb146c47c0cb3177795224cd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Znext-solver=coherence" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a74e6498303fcde5c36b7853691fcfb39dc56a8cb146c47c0cb3177795224cd6" "/opt/rustwide/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-linkList-practice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `delete_node`, `search_node`, and `reverse_ll` are never used
[INFO] [stdout]   --> src/main.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl LinkList {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 37 |     fn delete_node(&mut self,target:i32) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     fn search_node(&self,target:i32) -> Option<i32>{
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 98 |     fn reverse_ll(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `delete_node`, `search_node`, and `reverse_ll` are never used
[INFO] [stdout]   --> src/main.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl LinkList {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 37 |     fn delete_node(&mut self,target:i32) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     fn search_node(&self,target:i32) -> Option<i32>{
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 98 |     fn reverse_ll(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) 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" "a74e6498303fcde5c36b7853691fcfb39dc56a8cb146c47c0cb3177795224cd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a74e6498303fcde5c36b7853691fcfb39dc56a8cb146c47c0cb3177795224cd6", kill_on_drop: false }`
[INFO] [stdout] a74e6498303fcde5c36b7853691fcfb39dc56a8cb146c47c0cb3177795224cd6
