[INFO] cloning repository https://github.com/Bha-Gu/tree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Bha-Gu/tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBha-Gu%2Ftree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBha-Gu%2Ftree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4d54235b92752e88c4bf7170ad4e01923a874b7a
[INFO] checking Bha-Gu/tree against master#a26e97be8826d408309fffbd8168362365719f50 for pr-136776
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBha-Gu%2Ftree" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Bha-Gu/tree on toolchain a26e97be8826d408309fffbd8168362365719f50
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Bha-Gu/tree
[INFO] finished tweaking git repo https://github.com/Bha-Gu/tree
[INFO] tweaked toml for git repo https://github.com/Bha-Gu/tree written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Bha-Gu/tree 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" "+a26e97be8826d408309fffbd8168362365719f50" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/Bha-Gu/linked`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b6bc6623de631681665a0f8834e39c99f336656006cb3244c764f18569caa14
[INFO] running `Command { std: "docker" "start" "-a" "1b6bc6623de631681665a0f8834e39c99f336656006cb3244c764f18569caa14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b6bc6623de631681665a0f8834e39c99f336656006cb3244c764f18569caa14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b6bc6623de631681665a0f8834e39c99f336656006cb3244c764f18569caa14", kill_on_drop: false }`
[INFO] [stdout] 1b6bc6623de631681665a0f8834e39c99f336656006cb3244c764f18569caa14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c54de23fda15c780e0fc569b343031df1756b682e65fa23e499196dddfa20c51
[INFO] running `Command { std: "docker" "start" "-a" "c54de23fda15c780e0fc569b343031df1756b682e65fa23e499196dddfa20c51", kill_on_drop: false }`
[INFO] [stderr]     Checking linked v0.1.0 (https://github.com/Bha-Gu/linked#6725c0c7)
[INFO] [stderr]     Checking tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/binary/search_tree.rs:71:21
[INFO] [stdout]    |
[INFO] [stdout] 71 |                 let mut root_node = *root_pointer;
[INFO] [stdout]    |                     ----^^^^^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `dfs_order_search` and `order` are never used
[INFO] [stdout]    --> src/binary/search_tree.rs:140:12
[INFO] [stdout]     |
[INFO] [stdout] 63  | impl<T: std::fmt::Debug + Clone + PartialEq + PartialOrd> BinarySearchTree<T> {
[INFO] [stdout]     | ----------------------------------------------------------------------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 140 |     pub fn dfs_order_search(&self, order: DFSType) -> Vec<T> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 150 |     fn order(curr: &BTNode<T>, path: &mut Vec<T>, order: DFSType) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/binary/search_tree.rs:71:21
[INFO] [stdout]    |
[INFO] [stdout] 71 |                 let mut root_node = *root_pointer;
[INFO] [stdout]    |                     ----^^^^^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `dfs_order_search` and `order` are never used
[INFO] [stdout]    --> src/binary/search_tree.rs:140:12
[INFO] [stdout]     |
[INFO] [stdout] 63  | impl<T: std::fmt::Debug + Clone + PartialEq + PartialOrd> BinarySearchTree<T> {
[INFO] [stdout]     | ----------------------------------------------------------------------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 140 |     pub fn dfs_order_search(&self, order: DFSType) -> Vec<T> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 150 |     fn order(curr: &BTNode<T>, path: &mut Vec<T>, order: DFSType) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "c54de23fda15c780e0fc569b343031df1756b682e65fa23e499196dddfa20c51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c54de23fda15c780e0fc569b343031df1756b682e65fa23e499196dddfa20c51", kill_on_drop: false }`
[INFO] [stdout] c54de23fda15c780e0fc569b343031df1756b682e65fa23e499196dddfa20c51
