[INFO] cloning repository https://github.com/FabioCanavarro/kvs-tool
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FabioCanavarro/kvs-tool" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFabioCanavarro%2Fkvs-tool", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFabioCanavarro%2Fkvs-tool'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d4e68fb81cf70fee0940c204c90e1983e8122c7c
[INFO] checking FabioCanavarro/kvs-tool against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFabioCanavarro%2Fkvs-tool" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/FabioCanavarro/kvs-tool
[INFO] finished tweaking git repo https://github.com/FabioCanavarro/kvs-tool
[INFO] tweaked toml for git repo https://github.com/FabioCanavarro/kvs-tool written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/FabioCanavarro/kvs-tool on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/FabioCanavarro/kvs-tool 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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tempfile v3.19.0
[INFO] [stderr]   Downloaded serde_json v1.0.139
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5e905f51d3b0d9b89e8550d3c098149cd39aa514aecfa3cb3bdfb77c90e19549
[INFO] running `Command { std: "docker" "start" "-a" "5e905f51d3b0d9b89e8550d3c098149cd39aa514aecfa3cb3bdfb77c90e19549", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e905f51d3b0d9b89e8550d3c098149cd39aa514aecfa3cb3bdfb77c90e19549", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e905f51d3b0d9b89e8550d3c098149cd39aa514aecfa3cb3bdfb77c90e19549", kill_on_drop: false }`
[INFO] [stdout] 5e905f51d3b0d9b89e8550d3c098149cd39aa514aecfa3cb3bdfb77c90e19549
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f132ed56fe5ed373bd4a1052a9e53e2c9428e5765f899acbbe5e3034f35636f
[INFO] running `Command { std: "docker" "start" "-a" "4f132ed56fe5ed373bd4a1052a9e53e2c9428e5765f899acbbe5e3034f35636f", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.218
[INFO] [stderr]    Compiling serde_json v1.0.139
[INFO] [stderr]    Compiling libc v0.2.170
[INFO] [stderr]    Compiling getrandom v0.3.1
[INFO] [stderr]    Compiling rustix v1.0.3
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking bitflags v2.8.0
[INFO] [stderr]     Checking predicates-core v1.0.9
[INFO] [stderr]    Compiling escargot v0.4.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]     Checking clap_builder v4.5.32
[INFO] [stderr]     Checking log v0.4.25
[INFO] [stderr]     Checking termtree v0.5.1
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking chrono v0.4.40
[INFO] [stderr]     Checking predicates-tree v1.0.12
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking tempfile v3.19.0
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking predicates v1.0.8
[INFO] [stderr]    Compiling serde_derive v1.0.218
[INFO] [stderr]    Compiling clap_derive v4.5.32
[INFO] [stderr]     Checking clap v4.5.32
[INFO] [stderr]     Checking ferris v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking assert_cmd v0.11.1
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tests/tests.rs:192:9
[INFO] [stdout]     |
[INFO] [stdout] 192 |     let mut store = KvStore::open(temp_dir.path())?;
[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] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tests/tests.rs:231:9
[INFO] [stdout]     |
[INFO] [stdout] 231 |     let mut store = KvStore::open(temp_dir.path())?;
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tests/tests.rs:289:13
[INFO] [stdout]     |
[INFO] [stdout] 289 |         let mut store = KvStore::open(temp_dir.path())?;
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.51s
[INFO] running `Command { std: "docker" "inspect" "4f132ed56fe5ed373bd4a1052a9e53e2c9428e5765f899acbbe5e3034f35636f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f132ed56fe5ed373bd4a1052a9e53e2c9428e5765f899acbbe5e3034f35636f", kill_on_drop: false }`
[INFO] [stdout] 4f132ed56fe5ed373bd4a1052a9e53e2c9428e5765f899acbbe5e3034f35636f