[INFO] fetching crate lynxdb 2023.12.17-alpha...
[INFO] testing lynxdb-2023.12.17-alpha against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate lynxdb 2023.12.17-alpha into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate lynxdb 2023.12.17-alpha
[INFO] finished tweaking crates.io crate lynxdb 2023.12.17-alpha
[INFO] tweaked toml for crates.io crate lynxdb 2023.12.17-alpha written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate lynxdb 2023.12.17-alpha on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 494fc5f8f882603010301b3236870267115a23d0e1b878fd42ad23dc23085a15
[INFO] running `Command { std: "docker" "start" "-a" "494fc5f8f882603010301b3236870267115a23d0e1b878fd42ad23dc23085a15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "494fc5f8f882603010301b3236870267115a23d0e1b878fd42ad23dc23085a15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "494fc5f8f882603010301b3236870267115a23d0e1b878fd42ad23dc23085a15", kill_on_drop: false }`
[INFO] [stdout] 494fc5f8f882603010301b3236870267115a23d0e1b878fd42ad23dc23085a15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc80dee0cfd23067fc9ed0d5ec9107f1aba734a44041c8320712344ad0a0c476
[INFO] running `Command { std: "docker" "start" "-a" "fc80dee0cfd23067fc9ed0d5ec9107f1aba734a44041c8320712344ad0a0c476", kill_on_drop: false }`
[INFO] [stderr]    Compiling lynxdb v2023.12.17-alpha (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/lynxdb.rs:44:26
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn insert(&self, key: String, column_family: String, column: String, value: String) {
[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: `column_family`
[INFO] [stdout]   --> src/lynxdb.rs:44:39
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn insert(&self, key: String, column_family: String, column: String, value: String) {
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_column_family`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `column`
[INFO] [stdout]   --> src/lynxdb.rs:44:62
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn insert(&self, key: String, column_family: String, column: String, value: String) {
[INFO] [stdout]    |                                                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_column`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/lynxdb.rs:44:78
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn insert(&self, key: String, column_family: String, column: String, value: String) {
[INFO] [stdout]    |                                                                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "fc80dee0cfd23067fc9ed0d5ec9107f1aba734a44041c8320712344ad0a0c476", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc80dee0cfd23067fc9ed0d5ec9107f1aba734a44041c8320712344ad0a0c476", kill_on_drop: false }`
[INFO] [stdout] fc80dee0cfd23067fc9ed0d5ec9107f1aba734a44041c8320712344ad0a0c476
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f40c71b1c923d297a2fe2d336aa49921ff2dc25bfe084e3b4805bb919ccbeff2
[INFO] running `Command { std: "docker" "start" "-a" "f40c71b1c923d297a2fe2d336aa49921ff2dc25bfe084e3b4805bb919ccbeff2", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/lynxdb.rs:44:26
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn insert(&self, key: String, column_family: String, column: String, value: String) {
[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: `column_family`
[INFO] [stdout]   --> src/lynxdb.rs:44:39
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn insert(&self, key: String, column_family: String, column: String, value: String) {
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_column_family`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `column`
[INFO] [stdout]   --> src/lynxdb.rs:44:62
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn insert(&self, key: String, column_family: String, column: String, value: String) {
[INFO] [stdout]    |                                                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_column`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/lynxdb.rs:44:78
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn insert(&self, key: String, column_family: String, column: String, value: String) {
[INFO] [stdout]    |                                                                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling lynxdb v2023.12.17-alpha (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: arguments to this method are incorrect
[INFO] [stdout]   --> src/lynxdb.rs:85:20
[INFO] [stdout]    |
[INFO] [stdout] 85 |         connection.insert("key", "column_family", "column", "value");
[INFO] [stdout]    |                    ^^^^^^ -----  ---------------  --------  ------- expected `String`, found `&str`
[INFO] [stdout]    |                           |      |                |
[INFO] [stdout]    |                           |      |                expected `String`, found `&str`
[INFO] [stdout]    |                           |      expected `String`, found `&str`
[INFO] [stdout]    |                           expected `String`, found `&str`
[INFO] [stdout]    |
[INFO] [stdout] note: method defined here
[INFO] [stdout]   --> src/lynxdb.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn insert(&self, key: String, column_family: String, column: String, value: String) {
[INFO] [stdout]    |            ^^^^^^        -----------  ---------------------  --------------  -------------
[INFO] [stdout] help: try using a conversion method
[INFO] [stdout]    |
[INFO] [stdout] 85 |         connection.insert("key".to_string(), "column_family", "column", "value");
[INFO] [stdout]    |                                ++++++++++++
[INFO] [stdout] help: try using a conversion method
[INFO] [stdout]    |
[INFO] [stdout] 85 |         connection.insert("key", "column_family".to_string(), "column", "value");
[INFO] [stdout]    |                                                 ++++++++++++
[INFO] [stdout] help: try using a conversion method
[INFO] [stdout]    |
[INFO] [stdout] 85 |         connection.insert("key", "column_family", "column".to_string(), "value");
[INFO] [stdout]    |                                                           ++++++++++++
[INFO] [stdout] help: try using a conversion method
[INFO] [stdout]    |
[INFO] [stdout] 85 |         connection.insert("key", "column_family", "column", "value".to_string());
[INFO] [stdout]    |                                                                    ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/lynxdb.rs:44:26
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn insert(&self, key: String, column_family: String, column: String, value: String) {
[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: `column_family`
[INFO] [stdout]   --> src/lynxdb.rs:44:39
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn insert(&self, key: String, column_family: String, column: String, value: String) {
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_column_family`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `column`
[INFO] [stdout]   --> src/lynxdb.rs:44:62
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn insert(&self, key: String, column_family: String, column: String, value: String) {
[INFO] [stdout]    |                                                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_column`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/lynxdb.rs:44:78
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn insert(&self, key: String, column_family: String, column: String, value: String) {
[INFO] [stdout]    |                                                                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lynxdb` (lib test) due to 1 previous error; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "f40c71b1c923d297a2fe2d336aa49921ff2dc25bfe084e3b4805bb919ccbeff2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f40c71b1c923d297a2fe2d336aa49921ff2dc25bfe084e3b4805bb919ccbeff2", kill_on_drop: false }`
[INFO] [stdout] f40c71b1c923d297a2fe2d336aa49921ff2dc25bfe084e3b4805bb919ccbeff2