[INFO] cloning repository https://github.com/CeluchNB/config_db
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CeluchNB/config_db" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCeluchNB%2Fconfig_db", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCeluchNB%2Fconfig_db'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f4946f4d37a4b08bfde1d381d654a60d6428013b
[INFO] checking CeluchNB/config_db against a7c37f9f0ee5e93396106e9de20f4a86b4154e63 for pr-129249-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCeluchNB%2Fconfig_db" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/CeluchNB/config_db
[INFO] finished tweaking git repo https://github.com/CeluchNB/config_db
[INFO] tweaked toml for git repo https://github.com/CeluchNB/config_db written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/CeluchNB/config_db on toolchain a7c37f9f0ee5e93396106e9de20f4a86b4154e63
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7c37f9f0ee5e93396106e9de20f4a86b4154e63" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/CeluchNB/config_db 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" "+a7c37f9f0ee5e93396106e9de20f4a86b4154e63" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] a2dcfc28281eb5f34591ad81e2d14a973c4b3ccc79fd2fc4a20ade018e387ef8
[INFO] running `Command { std: "docker" "start" "a2dcfc28281eb5f34591ad81e2d14a973c4b3ccc79fd2fc4a20ade018e387ef8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2dcfc28281eb5f34591ad81e2d14a973c4b3ccc79fd2fc4a20ade018e387ef8", 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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a2dcfc28281eb5f34591ad81e2d14a973c4b3ccc79fd2fc4a20ade018e387ef8" "/opt/rustwide/cargo-home/bin/cargo" "+a7c37f9f0ee5e93396106e9de20f4a86b4154e63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2dcfc28281eb5f34591ad81e2d14a973c4b3ccc79fd2fc4a20ade018e387ef8", 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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a2dcfc28281eb5f34591ad81e2d14a973c4b3ccc79fd2fc4a20ade018e387ef8" "/opt/rustwide/cargo-home/bin/cargo" "+a7c37f9f0ee5e93396106e9de20f4a86b4154e63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking config_db v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `memtable_to_disk` is never used
[INFO] [stdout]   --> src/operations/insert.rs:79:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl<'a> Insert<'a> {
[INFO] [stdout]    | ------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 79 |     fn memtable_to_disk() -> std::io::Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `memtable_to_disk` is never used
[INFO] [stdout]   --> src/operations/insert.rs:79:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl<'a> Insert<'a> {
[INFO] [stdout]    | ------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 79 |     fn memtable_to_disk() -> std::io::Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "a2dcfc28281eb5f34591ad81e2d14a973c4b3ccc79fd2fc4a20ade018e387ef8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2dcfc28281eb5f34591ad81e2d14a973c4b3ccc79fd2fc4a20ade018e387ef8", kill_on_drop: false }`
[INFO] [stdout] a2dcfc28281eb5f34591ad81e2d14a973c4b3ccc79fd2fc4a20ade018e387ef8