[INFO] cloning repository https://github.com/lichuang/lsm-engine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lichuang/lsm-engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flichuang%2Flsm-engine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flichuang%2Flsm-engine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 454dfc1ef37ac4382e1e3fc225de7157eac56adb
[INFO] testing lichuang/lsm-engine against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flichuang%2Flsm-engine" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lichuang/lsm-engine
[INFO] finished tweaking git repo https://github.com/lichuang/lsm-engine
[INFO] tweaked toml for git repo https://github.com/lichuang/lsm-engine written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lichuang/lsm-engine on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lichuang/lsm-engine 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded smallvec v1.14.0
[INFO] [stderr]   Downloaded redox_syscall v0.5.10
[INFO] [stderr]   Downloaded miniz_oxide v0.8.5
[INFO] [stderr]   Downloaded anyhow v1.0.98
[INFO] [stderr]   Downloaded bincode v1.3.3
[INFO] [stderr]   Downloaded crossbeam-skiplist v0.1.3
[INFO] [stderr]   Downloaded tinysearch-cuckoofilter v0.4.1
[INFO] [stderr]   Downloaded farmhash v1.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8845925207a5b3ef51f451942bf8a8e8f8b13e2a33d506ac31cfb4fce7d90a4a
[INFO] running `Command { std: "docker" "start" "-a" "8845925207a5b3ef51f451942bf8a8e8f8b13e2a33d506ac31cfb4fce7d90a4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8845925207a5b3ef51f451942bf8a8e8f8b13e2a33d506ac31cfb4fce7d90a4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8845925207a5b3ef51f451942bf8a8e8f8b13e2a33d506ac31cfb4fce7d90a4a", kill_on_drop: false }`
[INFO] [stdout] 8845925207a5b3ef51f451942bf8a8e8f8b13e2a33d506ac31cfb4fce7d90a4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d97721ccbbbf38eccf0b99ba017303d20ddaadf0d2999107b3a3b86f16a6a7a1
[INFO] running `Command { std: "docker" "start" "-a" "d97721ccbbbf38eccf0b99ba017303d20ddaadf0d2999107b3a3b86f16a6a7a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling smallvec v1.14.0
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling gimli v0.31.1
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling miniz_oxide v0.8.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling rustc-demangle v0.1.24
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling crossbeam-skiplist v0.1.3
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling farmhash v1.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling addr2line v0.24.2
[INFO] [stderr]    Compiling backtrace v0.3.74
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling tinysearch-cuckoofilter v0.4.1
[INFO] [stderr]    Compiling lsm-engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: cannot find type `Error` in this scope
[INFO] [stdout]   --> src/mvcc/txn.rs:44:24
[INFO] [stdout]    |
[INFO] [stdout] 44 |             return Err(Error::txn_error("cannot operate on committed txn"));
[INFO] [stdout]    |                        ^^^^^ use of undeclared type `Error`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 15 + use std::error::Error;
[INFO] [stdout]    |
[INFO] [stdout] 15 + use std::fmt::Error;
[INFO] [stdout]    |
[INFO] [stdout] 15 + use std::io::Error;
[INFO] [stdout]    |
[INFO] [stdout] 15 + use core::error::Error;
[INFO] [stdout]    |
[INFO] [stdout]    = and 7 other candidates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find type `Error` in this scope
[INFO] [stdout]   --> src/mvcc/txn.rs:65:24
[INFO] [stdout]    |
[INFO] [stdout] 65 |             return Err(Error::txn_error("cannot operate on committed txn"));
[INFO] [stdout]    |                        ^^^^^ use of undeclared type `Error`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 15 + use std::error::Error;
[INFO] [stdout]    |
[INFO] [stdout] 15 + use std::fmt::Error;
[INFO] [stdout]    |
[INFO] [stdout] 15 + use std::io::Error;
[INFO] [stdout]    |
[INFO] [stdout] 15 + use core::error::Error;
[INFO] [stdout]    |
[INFO] [stdout]    = and 7 other candidates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find type `Error` in this scope
[INFO] [stdout]   --> src/mvcc/txn.rs:98:40
[INFO] [stdout]    |
[INFO] [stdout] 98 | ...                   return Err(Error::txn_error("serializable check failed"));
[INFO] [stdout]    |                                  ^^^^^ use of undeclared type `Error`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 15 + use std::error::Error;
[INFO] [stdout]    |
[INFO] [stdout] 15 + use std::fmt::Error;
[INFO] [stdout]    |
[INFO] [stdout] 15 + use std::io::Error;
[INFO] [stdout]    |
[INFO] [stdout] 15 + use core::error::Error;
[INFO] [stdout]    |
[INFO] [stdout]    = and 7 other candidates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `block::Block`
[INFO] [stdout]   --> src/block/mod.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub use block::Block;
[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: `super::LsmOptions`
[INFO] [stdout]   --> src/engine/lsm_engine.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use super::LsmOptions;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::memtable::Memtable`
[INFO] [stdout]   --> src/engine/lsm_engine.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use crate::memtable::Memtable;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]   --> src/engine/lsm_engine_inner.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::path::Path;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::LsmOptions`
[INFO] [stdout]   --> src/engine/lsm_engine_inner.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | use super::LsmOptions;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lsm_engine::LsmEngine`
[INFO] [stdout]   --> src/engine/mod.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub use lsm_engine::LsmEngine;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]   --> src/table/table.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::fs::File;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]   --> src/table/table.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::path::Path;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `anyhow::Result`
[INFO] [stdout]   --> src/table/table.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use anyhow::Result;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `file::FileObject`
[INFO] [stdout]   --> src/table/mod.rs:23:16
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub(crate) use file::FileObject;
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `table_builder::SsTableBuilder`
[INFO] [stdout]   --> src/table/mod.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub use table_builder::SsTableBuilder;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `create` found for struct `SsTable` in the current scope
[INFO] [stdout]    --> src/table/table_builder.rs:133:18
[INFO] [stdout]     |
[INFO] [stdout] 133 |         SsTable::create(table_meta, path.as_ref(), data)
[INFO] [stdout]     |                  ^^^^^^ function or associated item not found in `SsTable`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/table/table.rs:56:1
[INFO] [stdout]     |
[INFO] [stdout]  56 | pub struct SsTable {
[INFO] [stdout]     | ------------------ function or associated item `create` not found for this struct
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/engine/lsm_engine_inner.rs:44:36
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn get_with_version(&self, key: &[u8], version: Version) -> Result<Option<Bytes>> {
[INFO] [stdout]    |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `version`
[INFO] [stdout]   --> src/engine/lsm_engine_inner.rs:44:48
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn get_with_version(&self, key: &[u8], version: Version) -> Result<Option<Bytes>> {
[INFO] [stdout]    |                                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_version`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `batch`
[INFO] [stdout]   --> src/engine/lsm_engine_inner.rs:49:47
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn write_batch<T: AsRef<[u8]>>(&self, batch: &[WriteBatchRecord<T>]) -> Result<Version> {
[INFO] [stdout]    |                                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_batch`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `records`
[INFO] [stdout]   --> src/engine/manifest.rs:55:28
[INFO] [stdout]    |
[INFO] [stdout] 55 |             let (manifest, records) = Manifest::recover(path)?;
[INFO] [stdout]    |                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_records`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/wal/wal.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let path = &self.path;
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lsm-engine` (lib) due to 4 previous errors; 16 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "d97721ccbbbf38eccf0b99ba017303d20ddaadf0d2999107b3a3b86f16a6a7a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d97721ccbbbf38eccf0b99ba017303d20ddaadf0d2999107b3a3b86f16a6a7a1", kill_on_drop: false }`
[INFO] [stdout] d97721ccbbbf38eccf0b99ba017303d20ddaadf0d2999107b3a3b86f16a6a7a1