[INFO] cloning repository https://github.com/Akshat-Somvanshi/rustdb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Akshat-Somvanshi/rustdb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAkshat-Somvanshi%2Frustdb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAkshat-Somvanshi%2Frustdb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 35a11d911da6d35f2f7a0aefc44cf92be141312b
[INFO] checking Akshat-Somvanshi/rustdb against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAkshat-Somvanshi%2Frustdb" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Akshat-Somvanshi/rustdb
[INFO] finished tweaking git repo https://github.com/Akshat-Somvanshi/rustdb
[INFO] tweaked toml for git repo https://github.com/Akshat-Somvanshi/rustdb written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Akshat-Somvanshi/rustdb on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Akshat-Somvanshi/rustdb 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a981109b928370454843f9380fbe01bd37b9074518e4af87d8ab253fe25d7557
[INFO] running `Command { std: "docker" "start" "-a" "a981109b928370454843f9380fbe01bd37b9074518e4af87d8ab253fe25d7557", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a981109b928370454843f9380fbe01bd37b9074518e4af87d8ab253fe25d7557", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a981109b928370454843f9380fbe01bd37b9074518e4af87d8ab253fe25d7557", kill_on_drop: false }`
[INFO] [stdout] a981109b928370454843f9380fbe01bd37b9074518e4af87d8ab253fe25d7557
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3219bf5fb03a9c700a1722eca3e9873c8d3a3327ceba82876708399afebb37ca
[INFO] running `Command { std: "docker" "start" "-a" "3219bf5fb03a9c700a1722eca3e9873c8d3a3327ceba82876708399afebb37ca", kill_on_drop: false }`
[INFO] [stderr]     Checking rustdb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::clone`
[INFO] [stdout]    --> src/B_tree.rs:633:9
[INFO] [stdout]     |
[INFO] [stdout] 633 |     use std::clone;
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `end` is never read
[INFO] [stdout]    --> src/B_tree.rs:221:26
[INFO] [stdout]     |
[INFO] [stdout] 221 |     let mut end: usize = 0;
[INFO] [stdout]     |                          ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `B_tree` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod B_tree;
[INFO] [stdout]   |         ^^^^^^ help: convert the identifier to snake case: `b_tree`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::into_raw` that must be used
[INFO] [stdout]    --> src/B_tree.rs:271:9
[INFO] [stdout]     |
[INFO] [stdout] 271 |         Box::into_raw(data);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: losing the pointer will leak memory
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 271 |         let _ = Box::into_raw(data);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `node_replace_kidN` should have a snake case name
[INFO] [stdout]    --> src/B_tree.rs:279:12
[INFO] [stdout]     |
[INFO] [stdout] 279 |     pub fn node_replace_kidN(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `node_replace_kid_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `end` is never read
[INFO] [stdout]    --> src/B_tree.rs:221:26
[INFO] [stdout]     |
[INFO] [stdout] 221 |     let mut end: usize = 0;
[INFO] [stdout]     |                          ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `found`
[INFO] [stdout]    --> src/B_tree.rs:749:14
[INFO] [stdout]     |
[INFO] [stdout] 749 |         let (found, index, node) = tree.search(&new_key);
[INFO] [stdout]     |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_found`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/B_tree.rs:804:13
[INFO] [stdout]     |
[INFO] [stdout] 804 |         let index = root_node.lookup_key(&nkey);
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `found`
[INFO] [stdout]    --> src/B_tree.rs:809:14
[INFO] [stdout]     |
[INFO] [stdout] 809 |         let (found, index, node) = tree.search(&vec![3, 53, 2]);
[INFO] [stdout]     |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_found`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `B_tree` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod B_tree;
[INFO] [stdout]   |         ^^^^^^ help: convert the identifier to snake case: `b_tree`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::into_raw` that must be used
[INFO] [stdout]    --> src/B_tree.rs:271:9
[INFO] [stdout]     |
[INFO] [stdout] 271 |         Box::into_raw(data);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: losing the pointer will leak memory
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 271 |         let _ = Box::into_raw(data);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `node_replace_kidN` should have a snake case name
[INFO] [stdout]    --> src/B_tree.rs:279:12
[INFO] [stdout]     |
[INFO] [stdout] 279 |     pub fn node_replace_kidN(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `node_replace_kid_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BNODE_LEAF`, `BNode`, `BTree`, `get`, `new`, and `node_append_range`
[INFO] [stdout]  --> src/main.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rustdb::B_tree::{get, new, node_append_range, BNode, BTree, BNODE_LEAF};
[INFO] [stdout]   |                      ^^^  ^^^  ^^^^^^^^^^^^^^^^^  ^^^^^  ^^^^^  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BNODE_LEAF`, `BNode`, `BTree`, `get`, `new`, and `node_append_range`
[INFO] [stdout]  --> src/main.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rustdb::B_tree::{get, new, node_append_range, BNode, BTree, BNODE_LEAF};
[INFO] [stdout]   |                      ^^^  ^^^  ^^^^^^^^^^^^^^^^^  ^^^^^  ^^^^^  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (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" "3219bf5fb03a9c700a1722eca3e9873c8d3a3327ceba82876708399afebb37ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3219bf5fb03a9c700a1722eca3e9873c8d3a3327ceba82876708399afebb37ca", kill_on_drop: false }`
[INFO] [stdout] 3219bf5fb03a9c700a1722eca3e9873c8d3a3327ceba82876708399afebb37ca
