[INFO] fetching crate dkvs 0.0.1...
[INFO] testing dkvs-0.0.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate dkvs 0.0.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate dkvs 0.0.1
[INFO] finished tweaking crates.io crate dkvs 0.0.1
[INFO] tweaked toml for crates.io crate dkvs 0.0.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate dkvs 0.0.1 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate dkvs 0.0.1 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d81a628dc5e52ef1003168fd594c5fb2b1e0a496d99ae5960378d871eddab1f
[INFO] running `Command { std: "docker" "start" "-a" "5d81a628dc5e52ef1003168fd594c5fb2b1e0a496d99ae5960378d871eddab1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d81a628dc5e52ef1003168fd594c5fb2b1e0a496d99ae5960378d871eddab1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d81a628dc5e52ef1003168fd594c5fb2b1e0a496d99ae5960378d871eddab1f", kill_on_drop: false }`
[INFO] [stdout] 5d81a628dc5e52ef1003168fd594c5fb2b1e0a496d99ae5960378d871eddab1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca3b06188898c58476d16cff81f2dc790086d685faaf1b20d1677b078d3960d9
[INFO] running `Command { std: "docker" "start" "-a" "ca3b06188898c58476d16cff81f2dc790086d685faaf1b20d1677b078d3960d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling dkvs v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `next`
[INFO] [stdout]   --> src/main.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let next = &args.get(index + 1);
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_next`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let mut app = App::new();
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.49s
[INFO] running `Command { std: "docker" "inspect" "ca3b06188898c58476d16cff81f2dc790086d685faaf1b20d1677b078d3960d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca3b06188898c58476d16cff81f2dc790086d685faaf1b20d1677b078d3960d9", kill_on_drop: false }`
[INFO] [stdout] ca3b06188898c58476d16cff81f2dc790086d685faaf1b20d1677b078d3960d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 907dfc3aa669ebf26816f918e444dde8939fc027e33ec9f24b3a48e6827ea8c9
[INFO] running `Command { std: "docker" "start" "-a" "907dfc3aa669ebf26816f918e444dde8939fc027e33ec9f24b3a48e6827ea8c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling dkvs v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `next`
[INFO] [stdout]   --> src/main.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let next = &args.get(index + 1);
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_next`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let mut app = App::new();
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "907dfc3aa669ebf26816f918e444dde8939fc027e33ec9f24b3a48e6827ea8c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "907dfc3aa669ebf26816f918e444dde8939fc027e33ec9f24b3a48e6827ea8c9", kill_on_drop: false }`
[INFO] [stdout] 907dfc3aa669ebf26816f918e444dde8939fc027e33ec9f24b3a48e6827ea8c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1f2a678449344b5b93d78d2bdb24cc791ff9d285835fee7b7e8b2781e0d91b52
[INFO] running `Command { std: "docker" "start" "-a" "1f2a678449344b5b93d78d2bdb24cc791ff9d285835fee7b7e8b2781e0d91b52", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `next`
[INFO] [stderr]   --> src/main.rs:54:13
[INFO] [stderr]    |
[INFO] [stderr] 54 |         let next = &args.get(index + 1);
[INFO] [stderr]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_next`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |     let mut app = App::new();
[INFO] [stderr]    |         ----^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `dkvs` (bin "dkvs" test) generated 2 warnings (run `cargo fix --bin "dkvs" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/dkvs-8b364e6267808773)
[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" "1f2a678449344b5b93d78d2bdb24cc791ff9d285835fee7b7e8b2781e0d91b52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f2a678449344b5b93d78d2bdb24cc791ff9d285835fee7b7e8b2781e0d91b52", kill_on_drop: false }`
[INFO] [stdout] 1f2a678449344b5b93d78d2bdb24cc791ff9d285835fee7b7e8b2781e0d91b52
