[INFO] cloning repository https://github.com/nicolasgarza/log-structured-kvs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nicolasgarza/log-structured-kvs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnicolasgarza%2Flog-structured-kvs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnicolasgarza%2Flog-structured-kvs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b9b43912c622b0de835f941ac60510f035e65bd0
[INFO] checking nicolasgarza/log-structured-kvs against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnicolasgarza%2Flog-structured-kvs" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nicolasgarza/log-structured-kvs
[INFO] finished tweaking git repo https://github.com/nicolasgarza/log-structured-kvs
[INFO] tweaked toml for git repo https://github.com/nicolasgarza/log-structured-kvs written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nicolasgarza/log-structured-kvs on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nicolasgarza/log-structured-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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f13a2ff1d2ec013a187b19d7f92abfc6891964e0fc4f055200447e1c5d0fd16
[INFO] running `Command { std: "docker" "start" "-a" "8f13a2ff1d2ec013a187b19d7f92abfc6891964e0fc4f055200447e1c5d0fd16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f13a2ff1d2ec013a187b19d7f92abfc6891964e0fc4f055200447e1c5d0fd16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f13a2ff1d2ec013a187b19d7f92abfc6891964e0fc4f055200447e1c5d0fd16", kill_on_drop: false }`
[INFO] [stdout] 8f13a2ff1d2ec013a187b19d7f92abfc6891964e0fc4f055200447e1c5d0fd16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 541b5b034d5e218dc297602512a688279719a4be2b67fa9b1fe5dbd1add9cc3e
[INFO] running `Command { std: "docker" "start" "-a" "541b5b034d5e218dc297602512a688279719a4be2b67fa9b1fe5dbd1add9cc3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]     Checking clap_builder v4.5.1
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking tempfile v3.10.1
[INFO] [stderr]     Checking clap v4.5.1
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]     Checking predicates v1.0.8
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking serde_json v1.0.114
[INFO] [stderr]     Checking escargot v0.4.0
[INFO] [stderr]     Checking kvs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `any`
[INFO] [stdout]  --> src/kv.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{any, collections::HashMap, fs::{self, File, OpenOptions}, io::{BufRead, BufReader, Write}, path::{Path, PathBuf}};
[INFO] [stdout]   |           ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking assert_cmd v0.11.1
[INFO] [stdout] warning: unused import: `any`
[INFO] [stdout]  --> src/kv.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{any, collections::HashMap, fs::{self, File, OpenOptions}, io::{BufRead, BufReader, Write}, path::{Path, PathBuf}};
[INFO] [stdout]   |           ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (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:194:9
[INFO] [stdout]     |
[INFO] [stdout] 194 |     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:233:9
[INFO] [stdout]     |
[INFO] [stdout] 233 |     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:292:13
[INFO] [stdout]     |
[INFO] [stdout] 292 |         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 19.97s
[INFO] running `Command { std: "docker" "inspect" "541b5b034d5e218dc297602512a688279719a4be2b67fa9b1fe5dbd1add9cc3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "541b5b034d5e218dc297602512a688279719a4be2b67fa9b1fe5dbd1add9cc3e", kill_on_drop: false }`
[INFO] [stdout] 541b5b034d5e218dc297602512a688279719a4be2b67fa9b1fe5dbd1add9cc3e