[INFO] cloning repository https://github.com/Archisman-Mridha/mini-lsm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Archisman-Mridha/mini-lsm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArchisman-Mridha%2Fmini-lsm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArchisman-Mridha%2Fmini-lsm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ad7f303f49ad6acac7b3ca7391577ceadec97185
[INFO] checking Archisman-Mridha/mini-lsm against master#a26e97be8826d408309fffbd8168362365719f50 for pr-136776
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArchisman-Mridha%2Fmini-lsm" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Archisman-Mridha/mini-lsm 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/Archisman-Mridha/mini-lsm
[INFO] finished tweaking git repo https://github.com/Archisman-Mridha/mini-lsm
[INFO] tweaked toml for git repo https://github.com/Archisman-Mridha/mini-lsm written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Archisman-Mridha/mini-lsm 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 crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossbeam-skiplist v0.1.3
[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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3b434686196363aa66df1b9f9f83806b4aab9c3e4a9f07977af6ff63a7812c6
[INFO] running `Command { std: "docker" "start" "-a" "c3b434686196363aa66df1b9f9f83806b4aab9c3e4a9f07977af6ff63a7812c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3b434686196363aa66df1b9f9f83806b4aab9c3e4a9f07977af6ff63a7812c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3b434686196363aa66df1b9f9f83806b4aab9c3e4a9f07977af6ff63a7812c6", kill_on_drop: false }`
[INFO] [stdout] c3b434686196363aa66df1b9f9f83806b4aab9c3e4a9f07977af6ff63a7812c6
[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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf610340a6f3ddb1bb9b52c63a58bfbc5f8fbfbeb34c2a8303e328f6e22e14c8
[INFO] running `Command { std: "docker" "start" "-a" "cf610340a6f3ddb1bb9b52c63a58bfbc5f8fbfbeb34c2a8303e328f6e22e14c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling anyhow v1.0.95
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking bytes v1.9.0
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking crossbeam-skiplist v0.1.3
[INFO] [stderr]     Checking mini-lsm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `StorageEngineState` is never constructed
[INFO] [stdout]  --> src/storage/engine.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct StorageEngineState {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/storage/engine.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl StorageEngineState {
[INFO] [stdout]    | ----------------------- associated function in this implementation
[INFO] [stdout] 10 |   pub fn new() -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StorageEngineCore` is never constructed
[INFO] [stdout]   --> src/storage/engine.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct StorageEngineCore {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/storage/engine.rs:22:10
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl StorageEngineCore {
[INFO] [stdout]    | ---------------------- associated function in this implementation
[INFO] [stdout] 22 |   pub fn new() -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get`, `put`, and `delete` are never used
[INFO] [stdout]   --> src/storage/engine.rs:30:10
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl StorageEngineCore {
[INFO] [stdout]    | ---------------------- methods in this implementation
[INFO] [stdout] 30 |   pub fn get(&self, key: &[u8]) -> Option<Bytes> {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |   pub fn put(&self, key: &[u8], value: &[u8]) {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |   pub fn delete(&self, key: &[u8]) {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StorageEngine` is never constructed
[INFO] [stdout]   --> src/storage/engine.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub struct StorageEngine {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/storage/engine.rs:48:10
[INFO] [stdout]    |
[INFO] [stdout] 47 | impl StorageEngine {
[INFO] [stdout]    | ------------------ associated function in this implementation
[INFO] [stdout] 48 |   pub fn new() -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MemTable` is never constructed
[INFO] [stdout]  --> src/storage/memtable/mod.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct MemTable {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/storage/memtable/mod.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl MemTable {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 9 |   pub fn new(id: usize) -> Self {
[INFO] [stdout]   |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get`, `put`, and `delete` are never used
[INFO] [stdout]   --> src/storage/memtable/mod.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl MemTable {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout] 18 |   pub fn get(&self, key: &[u8]) -> Option<Bytes> {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |   pub fn put(&self, key: &[u8], value: &[u8]) {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |   pub fn delete(&self, key: &[u8]) {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StorageEngineState` is never constructed
[INFO] [stdout]  --> src/storage/engine.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct StorageEngineState {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/storage/engine.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl StorageEngineState {
[INFO] [stdout]    | ----------------------- associated function in this implementation
[INFO] [stdout] 10 |   pub fn new() -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StorageEngineCore` is never constructed
[INFO] [stdout]   --> src/storage/engine.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct StorageEngineCore {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/storage/engine.rs:22:10
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl StorageEngineCore {
[INFO] [stdout]    | ---------------------- associated function in this implementation
[INFO] [stdout] 22 |   pub fn new() -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get`, `put`, and `delete` are never used
[INFO] [stdout]   --> src/storage/engine.rs:30:10
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl StorageEngineCore {
[INFO] [stdout]    | ---------------------- methods in this implementation
[INFO] [stdout] 30 |   pub fn get(&self, key: &[u8]) -> Option<Bytes> {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |   pub fn put(&self, key: &[u8], value: &[u8]) {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |   pub fn delete(&self, key: &[u8]) {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StorageEngine` is never constructed
[INFO] [stdout]   --> src/storage/engine.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub struct StorageEngine {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/storage/engine.rs:48:10
[INFO] [stdout]    |
[INFO] [stdout] 47 | impl StorageEngine {
[INFO] [stdout]    | ------------------ associated function in this implementation
[INFO] [stdout] 48 |   pub fn new() -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MemTable` is never constructed
[INFO] [stdout]  --> src/storage/memtable/mod.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct MemTable {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/storage/memtable/mod.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl MemTable {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 9 |   pub fn new(id: usize) -> Self {
[INFO] [stdout]   |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get`, `put`, and `delete` are never used
[INFO] [stdout]   --> src/storage/memtable/mod.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl MemTable {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout] 18 |   pub fn get(&self, key: &[u8]) -> Option<Bytes> {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |   pub fn put(&self, key: &[u8], value: &[u8]) {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |   pub fn delete(&self, key: &[u8]) {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.02s
[INFO] running `Command { std: "docker" "inspect" "cf610340a6f3ddb1bb9b52c63a58bfbc5f8fbfbeb34c2a8303e328f6e22e14c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf610340a6f3ddb1bb9b52c63a58bfbc5f8fbfbeb34c2a8303e328f6e22e14c8", kill_on_drop: false }`
[INFO] [stdout] cf610340a6f3ddb1bb9b52c63a58bfbc5f8fbfbeb34c2a8303e328f6e22e14c8
