[INFO] cloning repository https://github.com/AndyStan112/rustdb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AndyStan112/rustdb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndyStan112%2Frustdb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndyStan112%2Frustdb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e32323a38e884690b257fad2216fc7d6b48a914e
[INFO] checking AndyStan112/rustdb against master#36b21637e93b038453924d3c66821089e71d8baa for pr-143164
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndyStan112%2Frustdb" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AndyStan112/rustdb
[INFO] finished tweaking git repo https://github.com/AndyStan112/rustdb
[INFO] tweaked toml for git repo https://github.com/AndyStan112/rustdb written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AndyStan112/rustdb on toolchain 36b21637e93b038453924d3c66821089e71d8baa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AndyStan112/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" "+36b21637e93b038453924d3c66821089e71d8baa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4605b5931db2ab5030c43825b8d677b0b1e23bbcedcb6577342b1942fbc0bacf
[INFO] running `Command { std: "docker" "start" "-a" "4605b5931db2ab5030c43825b8d677b0b1e23bbcedcb6577342b1942fbc0bacf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4605b5931db2ab5030c43825b8d677b0b1e23bbcedcb6577342b1942fbc0bacf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4605b5931db2ab5030c43825b8d677b0b1e23bbcedcb6577342b1942fbc0bacf", kill_on_drop: false }`
[INFO] [stdout] 4605b5931db2ab5030c43825b8d677b0b1e23bbcedcb6577342b1942fbc0bacf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85713e3a6fe64ad9b8f85b6261b1197bea43cdf772e99c04ce3a2269603b93ce
[INFO] running `Command { std: "docker" "start" "-a" "85713e3a6fe64ad9b8f85b6261b1197bea43cdf772e99c04ce3a2269603b93ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling virtue v0.0.18
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking unty v0.0.4
[INFO] [stderr]    Compiling bincode_derive v2.0.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking bincode v2.0.1
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking rustdb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/btree.rs:271:43
[INFO] [stdout]     |
[INFO] [stdout] 271 |     pub fn traverse_inorder<F>(&mut self, mut visit: F) -> io::Result<()>
[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: methods `traverse_inorder_from` and `traverse_inorder` are never used
[INFO] [stdout]    --> src/btree.rs:250:12
[INFO] [stdout]     |
[INFO] [stdout] 19  | impl Index {
[INFO] [stdout]     | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 250 |     pub fn traverse_inorder_from<F>(&mut self, offset: u64, mut visit: F) -> io::Result<()>
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 271 |     pub fn traverse_inorder<F>(&mut self, mut visit: F) -> io::Result<()>
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `create` and `list_records` are never used
[INFO] [stdout]    --> src/table.rs:14:12
[INFO] [stdout]     |
[INFO] [stdout] 13  | impl Table {
[INFO] [stdout]     | ---------- associated items in this implementation
[INFO] [stdout] 14  |     pub fn create(path: &str, recordsize: u16, keysize: u16) -> io::Result<Self> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 156 |     pub fn list_records(&mut self) -> io::Result<()> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/btree.rs:271:43
[INFO] [stdout]     |
[INFO] [stdout] 271 |     pub fn traverse_inorder<F>(&mut self, mut visit: F) -> io::Result<()>
[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: methods `traverse_inorder_from` and `traverse_inorder` are never used
[INFO] [stdout]    --> src/btree.rs:250:12
[INFO] [stdout]     |
[INFO] [stdout] 19  | impl Index {
[INFO] [stdout]     | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 250 |     pub fn traverse_inorder_from<F>(&mut self, offset: u64, mut visit: F) -> io::Result<()>
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 271 |     pub fn traverse_inorder<F>(&mut self, mut visit: F) -> io::Result<()>
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `create` and `list_records` are never used
[INFO] [stdout]    --> src/table.rs:14:12
[INFO] [stdout]     |
[INFO] [stdout] 13  | impl Table {
[INFO] [stdout]     | ---------- associated items in this implementation
[INFO] [stdout] 14  |     pub fn create(path: &str, recordsize: u16, keysize: u16) -> io::Result<Self> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 156 |     pub fn list_records(&mut self) -> io::Result<()> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.11s
[INFO] running `Command { std: "docker" "inspect" "85713e3a6fe64ad9b8f85b6261b1197bea43cdf772e99c04ce3a2269603b93ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85713e3a6fe64ad9b8f85b6261b1197bea43cdf772e99c04ce3a2269603b93ce", kill_on_drop: false }`
[INFO] [stdout] 85713e3a6fe64ad9b8f85b6261b1197bea43cdf772e99c04ce3a2269603b93ce
