[INFO] cloning repository https://github.com/Yangfisher1/lsm-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Yangfisher1/lsm-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYangfisher1%2Flsm-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYangfisher1%2Flsm-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2b9e0a2431084b9b85e4414f94fe680d5b9f0b5e
[INFO] checking Yangfisher1/lsm-rust against try#ac4c3613be2acd5395b65d85e5657b81e3c982f0 for pr-154585
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYangfisher1%2Flsm-rust" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Yangfisher1/lsm-rust
[INFO] finished tweaking git repo https://github.com/Yangfisher1/lsm-rust
[INFO] tweaked toml for git repo https://github.com/Yangfisher1/lsm-rust written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Yangfisher1/lsm-rust on toolchain ac4c3613be2acd5395b65d85e5657b81e3c982f0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ac4c3613be2acd5395b65d85e5657b81e3c982f0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Yangfisher1/lsm-rust 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" "+ac4c3613be2acd5395b65d85e5657b81e3c982f0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ac4c3613be2acd5395b65d85e5657b81e3c982f0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a1674da885e8b961c7f5277c8d7b5760314c8db7f431cf5eb1ffe05e336a3a3c
[INFO] running `Command { std: "docker" "start" "-a" "a1674da885e8b961c7f5277c8d7b5760314c8db7f431cf5eb1ffe05e336a3a3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1674da885e8b961c7f5277c8d7b5760314c8db7f431cf5eb1ffe05e336a3a3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1674da885e8b961c7f5277c8d7b5760314c8db7f431cf5eb1ffe05e336a3a3c", kill_on_drop: false }`
[INFO] [stdout] a1674da885e8b961c7f5277c8d7b5760314c8db7f431cf5eb1ffe05e336a3a3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ac4c3613be2acd5395b65d85e5657b81e3c982f0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d51f8e7c9d6a8865748d532298e314d48768f5fecf780e3071e2be9f4512362
[INFO] running `Command { std: "docker" "start" "-a" "8d51f8e7c9d6a8865748d532298e314d48768f5fecf780e3071e2be9f4512362", kill_on_drop: false }`
[INFO] [stderr]     Checking lsm-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `pairs`
[INFO] [stdout]    --> src/sstable/mod.rs:121:21
[INFO] [stdout]     |
[INFO] [stdout] 121 |     fn sortSSTables(pairs: Vec<SSTable>) -> (u32, Vec<KVPair>) {
[INFO] [stdout]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_pairs`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `KVPair` is never constructed
[INFO] [stdout]  --> src/sstable/mod.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct KVPair {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SSTable` is never constructed
[INFO] [stdout]   --> src/sstable/mod.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct SSTable {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `slice_generator` is never used
[INFO] [stdout]   --> src/sstable/mod.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn slice_generator(buffer: &Vec<u8>, index: usize) -> [u8; 4] {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `sortSSTables` are never used
[INFO] [stdout]    --> src/sstable/mod.rs:48:12
[INFO] [stdout]     |
[INFO] [stdout]  47 | impl SSTable {
[INFO] [stdout]     | ------------ associated functions in this implementation
[INFO] [stdout]  48 |     pub fn new(path: &str) -> Result<Self, std::io::Error> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 121 |     fn sortSSTables(pairs: Vec<SSTable>) -> (u32, Vec<KVPair>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `sortSSTables` should have a snake case name
[INFO] [stdout]    --> src/sstable/mod.rs:121:8
[INFO] [stdout]     |
[INFO] [stdout] 121 |     fn sortSSTables(pairs: Vec<SSTable>) -> (u32, Vec<KVPair>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^ help: convert the identifier to snake case: `sort_sstables`
[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 variable: `pairs`
[INFO] [stdout]    --> src/sstable/mod.rs:121:21
[INFO] [stdout]     |
[INFO] [stdout] 121 |     fn sortSSTables(pairs: Vec<SSTable>) -> (u32, Vec<KVPair>) {
[INFO] [stdout]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_pairs`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `c_time` is never read
[INFO] [stdout]   --> src/sstable/mod.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct SSTable {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 12 |     c_time: u32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `sortSSTables` is never used
[INFO] [stdout]    --> src/sstable/mod.rs:121:8
[INFO] [stdout]     |
[INFO] [stdout]  47 | impl SSTable {
[INFO] [stdout]     | ------------ associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 121 |     fn sortSSTables(pairs: Vec<SSTable>) -> (u32, Vec<KVPair>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `sortSSTables` should have a snake case name
[INFO] [stdout]    --> src/sstable/mod.rs:121:8
[INFO] [stdout]     |
[INFO] [stdout] 121 |     fn sortSSTables(pairs: Vec<SSTable>) -> (u32, Vec<KVPair>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^ help: convert the identifier to snake case: `sort_sstables`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "8d51f8e7c9d6a8865748d532298e314d48768f5fecf780e3071e2be9f4512362", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d51f8e7c9d6a8865748d532298e314d48768f5fecf780e3071e2be9f4512362", kill_on_drop: false }`
[INFO] [stdout] 8d51f8e7c9d6a8865748d532298e314d48768f5fecf780e3071e2be9f4512362
