[INFO] fetching crate solana-kvstore 0.19.1...
[INFO] checking solana-kvstore-0.19.1 against master#cced03bfd61a304243a34504618ecec86c17063f for pr-157082
[INFO] extracting crate solana-kvstore 0.19.1 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate solana-kvstore 0.19.1
[INFO] finished tweaking crates.io crate solana-kvstore 0.19.1
[INFO] tweaked toml for crates.io crate solana-kvstore 0.19.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate solana-kvstore 0.19.1 on toolchain cced03bfd61a304243a34504618ecec86c17063f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 71 packages to latest compatible versions
[INFO] [stderr]       Adding bincode v1.3.3 (available: v3.0.0)
[INFO] [stderr]       Adding crc v1.8.1 (available: v3.4.0)
[INFO] [stderr]       Adding rand v0.6.5 (available: v0.10.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 8125f3f16d3e21c466a907d3a763ffcb433a8de5ab91d2d1dd1234d2304a9622
[INFO] running `Command { std: "docker" "start" "8125f3f16d3e21c466a907d3a763ffcb433a8de5ab91d2d1dd1234d2304a9622", 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" "8125f3f16d3e21c466a907d3a763ffcb433a8de5ab91d2d1dd1234d2304a9622" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8125f3f16d3e21c466a907d3a763ffcb433a8de5ab91d2d1dd1234d2304a9622", 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" "8125f3f16d3e21c466a907d3a763ffcb433a8de5ab91d2d1dd1234d2304a9622" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling getrandom v0.4.3
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking tempfile v3.27.0
[INFO] [stderr]     Checking solana-kvstore v0.19.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `bincode::config`: please use `options()` instead
[INFO] [stdout]    --> src/sstable.rs:381:35
[INFO] [stdout]     |
[INFO] [stdout] 381 |     let bincode_config = bincode::config();
[INFO] [stdout]     |                                   ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `bincode::config`: please use `options()` instead
[INFO] [stdout]    --> src/sstable.rs:381:35
[INFO] [stdout]     |
[INFO] [stdout] 381 |     let bincode_config = bincode::config();
[INFO] [stdout]     |                                   ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Fill`
[INFO] [stdout]  --> src/sstable.rs:2:23
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::io_utils::{Fill, MemMap};
[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: `Fill`
[INFO] [stdout]  --> src/sstable.rs:2:23
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::io_utils::{Fill, MemMap};
[INFO] [stdout]   |                       ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `compactor_handle` is never read
[INFO] [stdout]   --> src/lib.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub struct KvStore {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 61 |     compactor_handle: JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `KvStore` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/compactor.rs:22:11
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Start(PathBuf),
[INFO] [stdout]    |     ----- ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Req` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 22 -     Start(PathBuf),
[INFO] [stdout] 22 +     Start(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Fill` is never used
[INFO] [stdout]   --> src/io_utils.rs:47:11
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub trait Fill<T> {
[INFO] [stdout]    |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `try_read_as` and `try_write_as` are never used
[INFO] [stdout]   --> src/mapper.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub trait RwLockExt<T> {
[INFO] [stdout]    |           --------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 33 |     fn try_read_as<U, F: FnOnce(&T) -> U>(&self, f: F) -> U;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 34 |     fn try_write_as<U, F: FnOnce(&mut T) -> U>(&self, f: F) -> U;
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `rng` is never read
[INFO] [stdout]   --> src/mapper/disk.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Disk {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 24 |     rng: RwLock<SmallRng>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Disk` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `meta` and `rng` are never read
[INFO] [stdout]   --> src/mapper/memory.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct Memory {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 23 |     meta: Arc<RwLock<Vec<u8>>>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 24 |     rng: RwLock<SmallRng>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Memory` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/lib.rs:349:13
[INFO] [stdout]     |
[INFO] [stdout] 349 |             std::mem::replace(tables, new_tables);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[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] 349 |             let _ = std::mem::replace(tables, new_tables);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `compactor_handle` is never read
[INFO] [stdout]   --> src/lib.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub struct KvStore {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 61 |     compactor_handle: JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `KvStore` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/compactor.rs:22:11
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Start(PathBuf),
[INFO] [stdout]    |     ----- ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Req` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 22 -     Start(PathBuf),
[INFO] [stdout] 22 +     Start(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Fill` is never used
[INFO] [stdout]   --> src/io_utils.rs:47:11
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub trait Fill<T> {
[INFO] [stdout]    |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `try_read_as` and `try_write_as` are never used
[INFO] [stdout]   --> src/mapper.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub trait RwLockExt<T> {
[INFO] [stdout]    |           --------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 33 |     fn try_read_as<U, F: FnOnce(&T) -> U>(&self, f: F) -> U;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 34 |     fn try_write_as<U, F: FnOnce(&mut T) -> U>(&self, f: F) -> U;
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `rng` is never read
[INFO] [stdout]   --> src/mapper/disk.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Disk {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 24 |     rng: RwLock<SmallRng>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Disk` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `meta` and `rng` are never read
[INFO] [stdout]   --> src/mapper/memory.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct Memory {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 23 |     meta: Arc<RwLock<Vec<u8>>>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 24 |     rng: RwLock<SmallRng>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Memory` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/lib.rs:349:13
[INFO] [stdout]     |
[INFO] [stdout] 349 |             std::mem::replace(tables, new_tables);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[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] 349 |             let _ = std::mem::replace(tables, new_tables);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.06s
[INFO] running `Command { std: "docker" "inspect" "8125f3f16d3e21c466a907d3a763ffcb433a8de5ab91d2d1dd1234d2304a9622", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8125f3f16d3e21c466a907d3a763ffcb433a8de5ab91d2d1dd1234d2304a9622", kill_on_drop: false }`
[INFO] [stdout] 8125f3f16d3e21c466a907d3a763ffcb433a8de5ab91d2d1dd1234d2304a9622
