[INFO] cloning repository https://github.com/pmiguel/onyxdb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pmiguel/onyxdb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpmiguel%2Fonyxdb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpmiguel%2Fonyxdb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 65b4673a5e4735f9615d92c146c4991d9844102e
[INFO] checking pmiguel/onyxdb against e977a0b5ab976a591981e7263bd67a71a4f79308 for pr-158914
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpmiguel%2Fonyxdb" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/pmiguel/onyxdb
[INFO] finished tweaking git repo https://github.com/pmiguel/onyxdb
[INFO] tweaked toml for git repo https://github.com/pmiguel/onyxdb written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pmiguel/onyxdb on toolchain e977a0b5ab976a591981e7263bd67a71a4f79308
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e977a0b5ab976a591981e7263bd67a71a4f79308" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/pmiguel/onyxdb 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" "+e977a0b5ab976a591981e7263bd67a71a4f79308" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking pmiguel/onyxdb against e977a0b5ab976a591981e7263bd67a71a4f79308 for pr-158914
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpmiguel%2Fonyxdb" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/pmiguel/onyxdb
[INFO] finished tweaking git repo https://github.com/pmiguel/onyxdb
[INFO] tweaked toml for git repo https://github.com/pmiguel/onyxdb written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pmiguel/onyxdb on toolchain e977a0b5ab976a591981e7263bd67a71a4f79308
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e977a0b5ab976a591981e7263bd67a71a4f79308" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/pmiguel/onyxdb 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" "+e977a0b5ab976a591981e7263bd67a71a4f79308" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded murmur3 v0.5.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:1fa6594d87c8fa7b311925a7a77a16f539833322d9dfba4ce891f211db2f90b1" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 0fbecea03c8360898c94e797684b2ca7e23fa8bcbe83bb078e6032aea27ecddc
[INFO] running `Command { std: "docker" "start" "0fbecea03c8360898c94e797684b2ca7e23fa8bcbe83bb078e6032aea27ecddc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0fbecea03c8360898c94e797684b2ca7e23fa8bcbe83bb078e6032aea27ecddc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0fbecea03c8360898c94e797684b2ca7e23fa8bcbe83bb078e6032aea27ecddc" "/opt/rustwide/cargo-home/bin/cargo" "+e977a0b5ab976a591981e7263bd67a71a4f79308" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0fbecea03c8360898c94e797684b2ca7e23fa8bcbe83bb078e6032aea27ecddc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0fbecea03c8360898c94e797684b2ca7e23fa8bcbe83bb078e6032aea27ecddc" "/opt/rustwide/cargo-home/bin/cargo" "+e977a0b5ab976a591981e7263bd67a71a4f79308" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]     Checking murmur3 v0.5.2
[INFO] [stderr]     Checking chrono v0.4.45
[INFO] [stderr]     Checking getrandom v0.4.2
[INFO] [stderr]     Checking rand v0.10.1
[INFO] [stderr]     Checking charybdis v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `SSTableReader`
[INFO] [stdout]  --> src/db.rs:3:38
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::sstable::{SSTableBuilder, SSTableReader};
[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 import: `SSTableReader`
[INFO] [stdout]  --> src/db.rs:3:38
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::sstable::{SSTableBuilder, SSTableReader};
[INFO] [stdout]   |                                      ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/sstable.rs:172:18
[INFO] [stdout]     |
[INFO] [stdout] 172 |         for i in (0..index_entries_length) {
[INFO] [stdout]     |                  ^                       ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 172 -         for i in (0..index_entries_length) {
[INFO] [stdout] 172 +         for i in 0..index_entries_length {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/sstable.rs:172:18
[INFO] [stdout]     |
[INFO] [stdout] 172 |         for i in (0..index_entries_length) {
[INFO] [stdout]     |                  ^                       ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 172 -         for i in (0..index_entries_length) {
[INFO] [stdout] 172 +         for i in 0..index_entries_length {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `clone` is never used
[INFO] [stdout]   --> src/skiplist.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl Node {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn clone (&self) -> Node {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `crc32` is never read
[INFO] [stdout]    --> src/sstable.rs:259:5
[INFO] [stdout]     |
[INFO] [stdout] 256 | struct Block {
[INFO] [stdout]     |        ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 259 |     crc32: u32
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TableMeta` is never constructed
[INFO] [stdout]  --> src/manifest.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct TableMeta {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Manifest` is never constructed
[INFO] [stdout]  --> src/manifest.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Manifest {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `open` are never used
[INFO] [stdout]   --> src/manifest.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Manifest {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout] 16 |
[INFO] [stdout] 17 |     pub fn new() -> Manifest {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn open(&mut self, path: &str) -> Result<(), std::io::Error>{
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `COPPERFIELD` is never used
[INFO] [stdout]  --> src/constants.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub const COPPERFIELD: u64 = 0x000BADC0FF3EF3ED;
[INFO] [stdout]   |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> src/sstable.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     file.read_exact_at(buf, offset);
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `Result` may be an `Err` variant, which should be handled
[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] 9 |     let _ = file.read_exact_at(buf, offset);
[INFO] [stdout]   |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `clone` is never used
[INFO] [stdout]   --> src/skiplist.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl Node {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn clone (&self) -> Node {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `crc32` is never read
[INFO] [stdout]    --> src/sstable.rs:259:5
[INFO] [stdout]     |
[INFO] [stdout] 256 | struct Block {
[INFO] [stdout]     |        ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 259 |     crc32: u32
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TableMeta` is never constructed
[INFO] [stdout]  --> src/manifest.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct TableMeta {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Manifest` is never constructed
[INFO] [stdout]  --> src/manifest.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Manifest {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `open` are never used
[INFO] [stdout]   --> src/manifest.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Manifest {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout] 16 |
[INFO] [stdout] 17 |     pub fn new() -> Manifest {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn open(&mut self, path: &str) -> Result<(), std::io::Error>{
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `COPPERFIELD` is never used
[INFO] [stdout]  --> src/constants.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub const COPPERFIELD: u64 = 0x000BADC0FF3EF3ED;
[INFO] [stdout]   |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BloomFilter` is never constructed
[INFO] [stdout]  --> src/bloomfilter.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct BloomFilter {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `add`, `may_contain`, and `split_hash` are never used
[INFO] [stdout]   --> src/bloomfilter.rs:9:12
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl BloomFilter {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout]  9 |     pub fn new(expected_keys: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn add(&mut self, key: &[u8]) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn may_contain(&self, key: &[u8]) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 63 |     fn split_hash(key: &[u8]) -> (u64, u64) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> src/sstable.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     file.read_exact_at(buf, offset);
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `Result` may be an `Err` variant, which should be handled
[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] 9 |     let _ = file.read_exact_at(buf, offset);
[INFO] [stdout]   |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Error`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::Error;
[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 import: `std::num::ParseIntError`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::num::ParseIntError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::random`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::random;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Error`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::Error;
[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 import: `std::num::ParseIntError`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::num::ParseIntError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::random`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::random;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.64s
[INFO] running `Command { std: "docker" "inspect" "0fbecea03c8360898c94e797684b2ca7e23fa8bcbe83bb078e6032aea27ecddc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fbecea03c8360898c94e797684b2ca7e23fa8bcbe83bb078e6032aea27ecddc", kill_on_drop: false }`
[INFO] [stdout] 0fbecea03c8360898c94e797684b2ca7e23fa8bcbe83bb078e6032aea27ecddc
