[INFO] cloning repository https://github.com/4molybdenum2/kvstore
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/4molybdenum2/kvstore" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F4molybdenum2%2Fkvstore", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F4molybdenum2%2Fkvstore'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e4c9d80bd0cbb947ff1e3c8ef511779d75fa1598
[INFO] testing 4molybdenum2/kvstore against 1.97.0-beta.6 for beta-1.98-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F4molybdenum2%2Fkvstore" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/4molybdenum2/kvstore
[INFO] finished tweaking git repo https://github.com/4molybdenum2/kvstore
[INFO] tweaked toml for git repo https://github.com/4molybdenum2/kvstore written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/4molybdenum2/kvstore on toolchain 1.97.0-beta.6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.97.0-beta.6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/4molybdenum2/kvstore 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" "+1.97.0-beta.6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "inspect" "3aad95bc24e64f065c660d949047f7703936635b4b00da04bae0f6f79307646b", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3aad95bc24e64f065c660d949047f7703936635b4b00da04bae0f6f79307646b" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]    Compiling parking_lot v0.11.2
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[INFO] [stderr]    Compiling termcolor v1.4.1
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[INFO] [stderr]    Compiling clap_derive v4.5.49
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[INFO] [stderr]    Compiling sled v0.34.7
[INFO] [stderr]    Compiling clap v4.5.49
[INFO] [stderr]    Compiling kvs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `len` is never read
[INFO] [stdout]   --> src/engines/kvs.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | struct LogPointer {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] 34 |     offset: u64,
[INFO] [stdout] 35 |     len: u64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LogPointer` 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: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]  --> src/error.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Fail, Debug)]
[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] 7 | 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:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Fail, Debug)]
[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] 7 | 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 1m 19s
[INFO] running `Command { std: "docker" "inspect" "3aad95bc24e64f065c660d949047f7703936635b4b00da04bae0f6f79307646b", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3aad95bc24e64f065c660d949047f7703936635b4b00da04bae0f6f79307646b" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling zerocopy v0.8.40
[INFO] [stderr]    Compiling zerocopy-derive v0.8.40
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling escargot v0.4.0
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling getrandom v0.4.1
[INFO] [stderr]    Compiling predicates-core v1.0.9
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling termtree v0.5.1
[INFO] [stdout] warning: field `len` is never read
[INFO] [stdout]   --> src/engines/kvs.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | struct LogPointer {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] 34 |     offset: u64,
[INFO] [stdout] 35 |     len: u64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LogPointer` 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: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]  --> src/error.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Fail, Debug)]
[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] 7 | 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:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Fail, Debug)]
[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] 7 | 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 normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling lazy_static v1.5.0
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[INFO] [stderr]    Compiling criterion-plot v0.5.0
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[INFO] [stderr]    Compiling oorandom v11.1.5
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[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling kvs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 33.39s
[INFO] running `Command { std: "docker" "inspect" "3aad95bc24e64f065c660d949047f7703936635b4b00da04bae0f6f79307646b", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3aad95bc24e64f065c660d949047f7703936635b4b00da04bae0f6f79307646b" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: field `len` is never read
[INFO] [stderr]   --> src/engines/kvs.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 33 | struct LogPointer {
[INFO] [stderr]    |        ---------- field in this struct
[INFO] [stderr] 34 |     offset: u64,
[INFO] [stderr] 35 |     len: u64,
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `LogPointer` 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: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stderr]  --> src/error.rs:6:10
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[derive(Fail, Debug)]
[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] 7 | 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:6:10
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[derive(Fail, Debug)]
[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] 7 | 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 3 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] [stderr]      Running tests/cli.rs (/opt/rustwide/target/debug/deps/cli-0ee823829bebbbaa)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stderr] [2026-07-08T20:43:49Z INFO  kvs_server] kvs-server 0.1.0
[INFO] [stdout] test client_cli_invalid_subcommand ... ok
[INFO] [stderr] [2026-07-08T20:43:49Z INFO  kvs_server] Storage engine: sled
[INFO] [stderr] [2026-07-08T20:43:49Z INFO  kvs_server] Listening on 127.0.0.1:4005
[INFO] [stdout] test client_cli_no_args ... ok
[INFO] [stderr] [2026-07-08T20:43:49Z INFO  kvs_server] kvs-server 0.1.0
[INFO] [stderr] [2026-07-08T20:43:49Z INFO  kvs_server] Storage engine: kvs
[INFO] [stderr] [2026-07-08T20:43:49Z INFO  kvs_server] Listening on 127.0.0.1:4004
[INFO] [stderr] [2026-07-08T20:43:49Z INFO  kvs_server] kvs-server 0.1.0
[INFO] [stderr] [2026-07-08T20:43:49Z INFO  kvs_server] Storage engine: sled
[INFO] [stderr] [2026-07-08T20:43:49Z INFO  kvs_server] Listening on 127.0.0.1:4002
[INFO] [stdout] test client_cli_version ... ok
[INFO] [stdout] test client_cli_invalid_set ... ok
[INFO] [stdout] test client_cli_invalid_get ... ok
[INFO] [stdout] test client_cli_invalid_rm ... ok
[INFO] [stdout] test server_cli_version ... ok
[INFO] [stdout] test cli_log_configuration ... ok
[INFO] [stderr] [2026-07-08T20:43:50Z INFO  kvs_server] kvs-server 0.1.0
[INFO] [stderr] [2026-07-08T20:43:50Z INFO  kvs_server] Storage engine: kvs
[INFO] [stderr] [2026-07-08T20:43:50Z INFO  kvs_server] Listening on 127.0.0.1:4002
[INFO] [stderr] [2026-07-08T20:43:50Z ERROR kvs_server] IO error: Address already in use (os error 98)
[INFO] [stderr] [2026-07-08T20:43:50Z INFO  kvs_server] kvs-server 0.1.0
[INFO] [stderr] [2026-07-08T20:43:50Z INFO  kvs_server] Storage engine: sled
[INFO] [stderr] [2026-07-08T20:43:50Z INFO  kvs_server] Listening on 127.0.0.1:4005
[INFO] [stderr] [2026-07-08T20:43:50Z INFO  kvs_server] kvs-server 0.1.0
[INFO] [stderr] [2026-07-08T20:43:50Z INFO  kvs_server] Storage engine: kvs
[INFO] [stderr] [2026-07-08T20:43:50Z INFO  kvs_server] Listening on 127.0.0.1:4004
[INFO] [stdout] test cli_wrong_engine ... ok
[INFO] [stdout] test cli_access_server_sled_engine ... ok
[INFO] [stdout] test cli_access_server_kvs_engine ... ok
[INFO] [stdout] 
[INFO] [stderr]      Running tests/kv_store.rs (/opt/rustwide/target/debug/deps/kv_store-1dd4ff015486884c)
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.11s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test remove_non_existent_key ... ok
[INFO] [stdout] test remove_key ... ok
[INFO] [stdout] test overwrite_value ... ok
[INFO] [stdout] test get_non_existent_value ... ok
[INFO] [stdout] test get_stored_value ... ok
[INFO] [stdout] test compaction ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.35s
[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" "3aad95bc24e64f065c660d949047f7703936635b4b00da04bae0f6f79307646b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3aad95bc24e64f065c660d949047f7703936635b4b00da04bae0f6f79307646b", kill_on_drop: false }`
[INFO] [stdout] 3aad95bc24e64f065c660d949047f7703936635b4b00da04bae0f6f79307646b
