[INFO] cloning repository https://github.com/iwantsomememories/kvs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iwantsomememories/kvs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiwantsomememories%2Fkvs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiwantsomememories%2Fkvs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 706770100ac6144a8ba2db09eeb7743b60734d16
[INFO] testing iwantsomememories/kvs against beta-2026-03-05 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiwantsomememories%2Fkvs" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/iwantsomememories/kvs
[INFO] finished tweaking git repo https://github.com/iwantsomememories/kvs
[INFO] tweaked toml for git repo https://github.com/iwantsomememories/kvs written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/iwantsomememories/kvs on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/iwantsomememories/kvs 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" "+beta-2026-03-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+beta-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54a8a26296c3165b9e8b57d023c1cce35ac2f31026de40722cfe8e43852360f6
[INFO] running `Command { std: "docker" "start" "-a" "54a8a26296c3165b9e8b57d023c1cce35ac2f31026de40722cfe8e43852360f6", kill_on_drop: false }`
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[INFO] [stdout] 54a8a26296c3165b9e8b57d023c1cce35ac2f31026de40722cfe8e43852360f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6fe68d0b5faf14d9d8ea94586f0c476be577d0c35a66195e97526146e5af848f
[INFO] running `Command { std: "docker" "start" "-a" "6fe68d0b5faf14d9d8ea94586f0c476be577d0c35a66195e97526146e5af848f", kill_on_drop: false }`
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling time-core v0.1.4
[INFO] [stderr]    Compiling gimli v0.31.1
[INFO] [stderr]    Compiling instant v0.1.13
[INFO] [stderr]    Compiling smallvec v1.14.0
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[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling syn v1.0.109
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[INFO] [stderr]    Compiling deranged v0.4.1
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[INFO] [stderr]    Compiling rustc-demangle v0.1.24
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[INFO] [stderr]    Compiling addr2line v0.24.2
[INFO] [stderr]    Compiling slog-term v2.9.1
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[INFO] [stderr]    Compiling serde v1.0.219
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[INFO] [stderr]    Compiling kvs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `path` is never read
[INFO] [stdout]   --> src/engines/kvs.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct KvStore {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 24 |     // 存储log文件的目录路径
[INFO] [stdout] 25 |     path: Arc<PathBuf>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `KvStore` has a derived impl for the trait `Clone`, 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: variant `Shutdown` is never constructed
[INFO] [stdout]   --> src/thread_pool/shared_queue.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | enum ThreadPoolMessage {
[INFO] [stdout]    |      ----------------- variant in this enum
[INFO] [stdout] 10 |     RunJob(Job),
[INFO] [stdout] 11 |     Shutdown,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]  --> src/error.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[derive(Debug, Fail)]
[INFO] [stdout]   |                 ^---
[INFO] [stdout]   |                 |
[INFO] [stdout]   |                 `Fail` is not local
[INFO] [stdout]   |                 move the `impl` block outside of this constant `_DERIVE_failure_Fail_FOR_KvsError`
[INFO] [stdout] 9 | pub enum KvsError {
[INFO] [stdout]   |          -------- `KvsError` is not local
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]   = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]   = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]  --> src/error.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[derive(Debug, Fail)]
[INFO] [stdout]   |                 ^---
[INFO] [stdout]   |                 |
[INFO] [stdout]   |                 `Display` is not local
[INFO] [stdout]   |                 move the `impl` block outside of this constant `_DERIVE_failure_core_fmt_Display_FOR_KvsError`
[INFO] [stdout] 9 | pub enum KvsError {
[INFO] [stdout]   |          -------- `KvsError` is not local
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]   = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.55s
[INFO] running `Command { std: "docker" "inspect" "6fe68d0b5faf14d9d8ea94586f0c476be577d0c35a66195e97526146e5af848f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fe68d0b5faf14d9d8ea94586f0c476be577d0c35a66195e97526146e5af848f", kill_on_drop: false }`
[INFO] [stdout] 6fe68d0b5faf14d9d8ea94586f0c476be577d0c35a66195e97526146e5af848f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc90f96948eea2f6cedef7e1a1faed240a4410169110d33758db929823ac1eba
[INFO] running `Command { std: "docker" "start" "-a" "bc90f96948eea2f6cedef7e1a1faed240a4410169110d33758db929823ac1eba", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling getrandom v0.3.2
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[INFO] [stderr]    Compiling predicates-core v1.0.9
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling csv-core v0.1.12
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling termtree v0.5.1
[INFO] [stderr]    Compiling bitflags v2.9.0
[INFO] [stderr]    Compiling linux-raw-sys v0.9.3
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling half v1.8.3
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling predicates-tree v1.0.12
[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_jitter v0.1.4
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling rand_os v0.1.3
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[INFO] [stderr]    Compiling csv v1.3.1
[INFO] [stdout] warning: field `path` is never read
[INFO] [stdout]   --> src/engines/kvs.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct KvStore {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 24 |     // 存储log文件的目录路径
[INFO] [stdout] 25 |     path: Arc<PathBuf>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `KvStore` has a derived impl for the trait `Clone`, 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: variant `Shutdown` is never constructed
[INFO] [stdout]   --> src/thread_pool/shared_queue.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | enum ThreadPoolMessage {
[INFO] [stdout]    |      ----------------- variant in this enum
[INFO] [stdout] 10 |     RunJob(Job),
[INFO] [stdout] 11 |     Shutdown,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]  --> src/error.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[derive(Debug, Fail)]
[INFO] [stdout]   |                 ^---
[INFO] [stdout]   |                 |
[INFO] [stdout]   |                 `Fail` is not local
[INFO] [stdout]   |                 move the `impl` block outside of this constant `_DERIVE_failure_Fail_FOR_KvsError`
[INFO] [stdout] 9 | pub enum KvsError {
[INFO] [stdout]   |          -------- `KvsError` is not local
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]   = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]   = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]  --> src/error.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[derive(Debug, Fail)]
[INFO] [stdout]   |                 ^---
[INFO] [stdout]   |                 |
[INFO] [stdout]   |                 `Display` is not local
[INFO] [stdout]   |                 move the `impl` block outside of this constant `_DERIVE_failure_core_fmt_Display_FOR_KvsError`
[INFO] [stdout] 9 | pub enum KvsError {
[INFO] [stdout]   |          -------- `KvsError` is not local
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]   = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling panic-control v0.1.4
[INFO] [stderr]    Compiling criterion-plot v0.4.5
[INFO] [stderr]    Compiling float-cmp v0.8.0
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling tempfile v3.19.1
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling predicates v1.0.8
[INFO] [stderr]    Compiling criterion v0.3.6
[INFO] [stderr]    Compiling assert_cmd v0.11.1
[INFO] [stderr]    Compiling kvs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `path` is never read
[INFO] [stdout]   --> src/engines/kvs.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct KvStore {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 24 |     // 存储log文件的目录路径
[INFO] [stdout] 25 |     path: Arc<PathBuf>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `KvStore` has a derived impl for the trait `Clone`, 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: variant `Shutdown` is never constructed
[INFO] [stdout]   --> src/thread_pool/shared_queue.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | enum ThreadPoolMessage {
[INFO] [stdout]    |      ----------------- variant in this enum
[INFO] [stdout] 10 |     RunJob(Job),
[INFO] [stdout] 11 |     Shutdown,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]  --> src/error.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[derive(Debug, Fail)]
[INFO] [stdout]   |                 ^---
[INFO] [stdout]   |                 |
[INFO] [stdout]   |                 `Fail` is not local
[INFO] [stdout]   |                 move the `impl` block outside of this constant `_DERIVE_failure_Fail_FOR_KvsError`
[INFO] [stdout] 9 | pub enum KvsError {
[INFO] [stdout]   |          -------- `KvsError` is not local
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]   = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]   = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]  --> src/error.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[derive(Debug, Fail)]
[INFO] [stdout]   |                 ^---
[INFO] [stdout]   |                 |
[INFO] [stdout]   |                 `Display` is not local
[INFO] [stdout]   |                 move the `impl` block outside of this constant `_DERIVE_failure_core_fmt_Display_FOR_KvsError`
[INFO] [stdout] 9 | pub enum KvsError {
[INFO] [stdout]   |          -------- `KvsError` is not local
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]   = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 17.76s
[INFO] running `Command { std: "docker" "inspect" "bc90f96948eea2f6cedef7e1a1faed240a4410169110d33758db929823ac1eba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc90f96948eea2f6cedef7e1a1faed240a4410169110d33758db929823ac1eba", kill_on_drop: false }`
[INFO] [stdout] bc90f96948eea2f6cedef7e1a1faed240a4410169110d33758db929823ac1eba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-03-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 19160880be4a165e2f796c6cdac84ac17c219a753df28eddeb4dea3d449bca34
[INFO] running `Command { std: "docker" "start" "-a" "19160880be4a165e2f796c6cdac84ac17c219a753df28eddeb4dea3d449bca34", kill_on_drop: false }`
[INFO] [stderr] warning: field `path` is never read
[INFO] [stderr]   --> src/engines/kvs.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub struct KvStore {
[INFO] [stderr]    |            ------- field in this struct
[INFO] [stderr] 24 |     // 存储log文件的目录路径
[INFO] [stderr] 25 |     path: Arc<PathBuf>,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `KvStore` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Shutdown` is never constructed
[INFO] [stderr]   --> src/thread_pool/shared_queue.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr]  9 | enum ThreadPoolMessage {
[INFO] [stderr]    |      ----------------- variant in this enum
[INFO] [stderr] 10 |     RunJob(Job),
[INFO] [stderr] 11 |     Shutdown,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stderr]  --> src/error.rs:8:17
[INFO] [stderr]   |
[INFO] [stderr] 8 | #[derive(Debug, Fail)]
[INFO] [stderr]   |                 ^---
[INFO] [stderr]   |                 |
[INFO] [stderr]   |                 `Fail` is not local
[INFO] [stderr]   |                 move the `impl` block outside of this constant `_DERIVE_failure_Fail_FOR_KvsError`
[INFO] [stderr] 9 | pub enum KvsError {
[INFO] [stderr]   |          -------- `KvsError` is not local
[INFO] [stderr]   |
[INFO] [stderr]   = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stderr]   = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stderr]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stderr]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stderr]   = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stderr]   = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stderr]  --> src/error.rs:8:17
[INFO] [stderr]   |
[INFO] [stderr] 8 | #[derive(Debug, Fail)]
[INFO] [stderr]   |                 ^---
[INFO] [stderr]   |                 |
[INFO] [stderr]   |                 `Display` is not local
[INFO] [stderr]   |                 move the `impl` block outside of this constant `_DERIVE_failure_core_fmt_Display_FOR_KvsError`
[INFO] [stderr] 9 | pub enum KvsError {
[INFO] [stderr]   |          -------- `KvsError` is not local
[INFO] [stderr]   |
[INFO] [stderr]   = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stderr]   = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stderr]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stderr]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stderr]   = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `kvs` (lib) generated 4 warnings
[INFO] [stderr] warning: `kvs` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/kvs-d88c50ec370fe3f3)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/kvs-client.rs (/opt/rustwide/target/debug/deps/kvs_client-206e747fac86bcad)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/bin/kvs-server.rs (/opt/rustwide/target/debug/deps/kvs_server-1e5827efc7be87ab)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/cli.rs (/opt/rustwide/target/debug/deps/cli-29f155baf44df364)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] kvs-server version: 0.1.0
[INFO] [stdout] 
[INFO] [stderr]  Mar 10 07:48:06.298 INFO Listening on 127.0.0.1:4004, port: 4004, IP address: 127.0.0.1
[INFO] [stdout] 
[INFO] [stderr] kvs-server version: 0.1.0
[INFO] [stdout] running 0 tests
[INFO] [stderr]  Mar 10 07:48:06.303 INFO Listening on 127.0.0.1:4005, port: 4005, IP address: 127.0.0.1
[INFO] [stdout] 
[INFO] [stderr]  Mar 10 07:48:06.303 INFO Storage Engine: sled, storage engine: sled
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]  Mar 10 07:48:06.304 INFO Storage Engine: kvs, storage engine: kvs
[INFO] [stdout] 
[INFO] [stderr] kvs-server version: 0.1.0
[INFO] [stdout] 
[INFO] [stderr]  Mar 10 07:48:06.305 INFO Listening on 127.0.0.1:4002, port: 4002, IP address: 127.0.0.1
[INFO] [stdout] running 0 tests
[INFO] [stderr]  Mar 10 07:48:06.305 INFO Storage Engine: sled, storage engine: sled
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test client_cli_invalid_subcommand ... ok
[INFO] [stdout] test client_cli_no_args ... ok
[INFO] [stdout] test client_cli_invalid_rm ... ok
[INFO] [stdout] test client_cli_version ... ok
[INFO] [stdout] test client_cli_invalid_get ... ok
[INFO] [stdout] test client_cli_invalid_set ... ok
[INFO] [stdout] test server_cli_version ... ok
[INFO] [stderr]  Mar 10 07:48:07.299 DEBG Receive request from 127.0.0.1:55218: Set { key: "key1", value: "value1" }
[INFO] [stderr]  Mar 10 07:48:07.300 DEBG Response sent to the 127.0.0.1:55218: Ok(())
[INFO] [stderr]  Mar 10 07:48:07.300 DEBG Receive request from 127.0.0.1:46466: Set { key: "key1", value: "value1" }
[INFO] [stderr]  Mar 10 07:48:07.301 DEBG Response sent to the 127.0.0.1:46466: Ok(())
[INFO] [stdout] test cli_log_configuration ... ok
[INFO] [stderr]  Mar 10 07:48:07.303 DEBG Receive request from 127.0.0.1:46482: Get { key: "key1" }
[INFO] [stderr]  Mar 10 07:48:07.303 DEBG Response sent to the 127.0.0.1:46482: Ok(Some("value1"))
[INFO] [stderr]  Mar 10 07:48:07.306 DEBG Receive request from 127.0.0.1:46490: Set { key: "key1", value: "value2" }
[INFO] [stderr]  Mar 10 07:48:07.306 DEBG Response sent to the 127.0.0.1:46490: Ok(())
[INFO] [stderr] kvs-server version: 0.1.0
[INFO] [stderr]  Mar 10 07:48:07.307 INFO Listening on 127.0.0.1:4002, port: 4002, IP address: 127.0.0.1
[INFO] [stderr]  Mar 10 07:48:07.307 INFO Storage Engine: kvs, storage engine: kvs
[INFO] [stderr]  Mar 10 07:48:07.307 ERRO Address already in use (os error 98)
[INFO] [stderr]  Mar 10 07:48:07.309 DEBG Receive request from 127.0.0.1:46504: Get { key: "key1" }
[INFO] [stderr]  Mar 10 07:48:07.309 DEBG Response sent to the 127.0.0.1:46504: Ok(Some("value2"))
[INFO] [stderr]  Mar 10 07:48:07.311 DEBG Receive request from 127.0.0.1:55224: Get { key: "key1" }
[INFO] [stderr]  Mar 10 07:48:07.311 DEBG Response sent to the 127.0.0.1:55224: Ok(Some("value1"))
[INFO] [stderr]  Mar 10 07:48:07.312 DEBG Receive request from 127.0.0.1:46506: Get { key: "key2" }
[INFO] [stderr]  Mar 10 07:48:07.312 DEBG Response sent to the 127.0.0.1:46506: Ok(None)
[INFO] [stderr]  Mar 10 07:48:07.330 DEBG Receive request from 127.0.0.1:55232: Set { key: "key1", value: "value2" }
[INFO] [stderr]  Mar 10 07:48:07.330 DEBG Response sent to the 127.0.0.1:55232: Ok(())
[INFO] [stderr]  Mar 10 07:48:07.333 DEBG Receive request from 127.0.0.1:55238: Get { key: "key1" }
[INFO] [stderr]  Mar 10 07:48:07.333 DEBG Receive request from 127.0.0.1:46516: Rm { key: "key2" }
[INFO] [stderr]  Mar 10 07:48:07.333 DEBG Response sent to the 127.0.0.1:46516: Err("Key not found")
[INFO] [stderr]  Mar 10 07:48:07.333 DEBG Response sent to the 127.0.0.1:55238: Ok(Some("value2"))
[INFO] [stderr]  Mar 10 07:48:07.339 DEBG Receive request from 127.0.0.1:55240: Get { key: "key2" }
[INFO] [stderr]  Mar 10 07:48:07.339 DEBG Response sent to the 127.0.0.1:55240: Ok(None)
[INFO] [stderr]  Mar 10 07:48:07.341 DEBG Receive request from 127.0.0.1:55242: Rm { key: "key2" }
[INFO] [stderr]  Mar 10 07:48:07.341 DEBG Response sent to the 127.0.0.1:55242: Err("Key not found")
[INFO] [stderr]  Mar 10 07:48:07.344 DEBG Receive request from 127.0.0.1:46528: Set { key: "key2", value: "value3" }
[INFO] [stderr]  Mar 10 07:48:07.344 DEBG Response sent to the 127.0.0.1:46528: Ok(())
[INFO] [stderr]  Mar 10 07:48:07.357 DEBG Receive request from 127.0.0.1:55248: Set { key: "key2", value: "value3" }
[INFO] [stderr]  Mar 10 07:48:07.357 DEBG Response sent to the 127.0.0.1:55248: Ok(())
[INFO] [stderr]  Mar 10 07:48:07.360 DEBG Receive request from 127.0.0.1:55262: Rm { key: "key1" }
[INFO] [stderr]  Mar 10 07:48:07.361 DEBG Response sent to the 127.0.0.1:55262: Ok(())
[INFO] [stderr] kvs-server version: 0.1.0
[INFO] [stderr]  Mar 10 07:48:07.366 INFO Listening on 127.0.0.1:4005, port: 4005, IP address: 127.0.0.1
[INFO] [stderr]  Mar 10 07:48:07.366 INFO Storage Engine: sled, storage engine: sled
[INFO] [stderr]  Mar 10 07:48:07.396 DEBG Receive request from 127.0.0.1:46536: Rm { key: "key1" }
[INFO] [stderr]  Mar 10 07:48:07.396 DEBG Response sent to the 127.0.0.1:46536: Ok(())
[INFO] [stderr] kvs-server version: 0.1.0
[INFO] [stderr]  Mar 10 07:48:07.400 INFO Listening on 127.0.0.1:4004, port: 4004, IP address: 127.0.0.1
[INFO] [stderr]  Mar 10 07:48:07.400 INFO Storage Engine: kvs, storage engine: kvs
[INFO] [stdout] test cli_wrong_engine ... ok
[INFO] [stderr]  Mar 10 07:48:08.373 DEBG Receive request from 127.0.0.1:53772: Get { key: "key2" }
[INFO] [stderr]  Mar 10 07:48:08.373 DEBG Response sent to the 127.0.0.1:53772: Ok(Some("value3"))
[INFO] [stderr]  Mar 10 07:48:08.380 DEBG Receive request from 127.0.0.1:53778: Get { key: "key1" }
[INFO] [stderr]  Mar 10 07:48:08.380 DEBG Response sent to the 127.0.0.1:53778: Ok(None)
[INFO] [stdout] test cli_access_server_sled_engine ... ok
[INFO] [stderr]  Mar 10 07:48:08.405 DEBG Receive request from 127.0.0.1:60686: Get { key: "key2" }
[INFO] [stderr]  Mar 10 07:48:08.405 DEBG Response sent to the 127.0.0.1:60686: Ok(Some("value3"))
[INFO] [stderr]  Mar 10 07:48:08.411 DEBG Receive request from 127.0.0.1:60692: Get { key: "key1" }
[INFO] [stderr]  Mar 10 07:48:08.411 DEBG Response sent to the 127.0.0.1:60692: Ok(None)
[INFO] [stdout] test cli_access_server_kvs_engine ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.13s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/kv_store.rs (/opt/rustwide/target/debug/deps/kv_store-1297598b27860e01)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test get_stored_value ... ok
[INFO] [stdout] test overwrite_value ... ok
[INFO] [stdout] test remove_key ... ok
[INFO] [stdout] test remove_non_existent_key ... ok
[INFO] [stdout] test get_non_existent_value ... ok
[INFO] [stdout] test concurrent_get ... ok
[INFO] [stdout] test concurrent_set ... ok
[INFO] [stdout] test compaction ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.06s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/thread_pool.rs (/opt/rustwide/target/debug/deps/thread_pool-263edabf9e5dac39)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test rayon_thread_pool_spawn_counter ... ok
[INFO] [stdout] test shared_queue_thread_pool_spawn_counter ... ok
[INFO] [stdout] test naive_thread_pool_spawn_counter ... ok
[INFO] [stdout] test shared_queue_thread_pool_panic_task ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests kvs
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "19160880be4a165e2f796c6cdac84ac17c219a753df28eddeb4dea3d449bca34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19160880be4a165e2f796c6cdac84ac17c219a753df28eddeb4dea3d449bca34", kill_on_drop: false }`
[INFO] [stdout] 19160880be4a165e2f796c6cdac84ac17c219a753df28eddeb4dea3d449bca34
