[INFO] cloning repository https://github.com/DannyStoyanov/key-value-store
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DannyStoyanov/key-value-store" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDannyStoyanov%2Fkey-value-store", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDannyStoyanov%2Fkey-value-store'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ce8c09b8bee742ec5e1f742f1cf45e7974579cf8
[INFO] checking DannyStoyanov/key-value-store against 8006091eb71ae7d9e9bccb66c6122c9d68af4466 for pr-129249-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDannyStoyanov%2Fkey-value-store" "/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/DannyStoyanov/key-value-store
[INFO] finished tweaking git repo https://github.com/DannyStoyanov/key-value-store
[INFO] tweaked toml for git repo https://github.com/DannyStoyanov/key-value-store written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/DannyStoyanov/key-value-store on toolchain 8006091eb71ae7d9e9bccb66c6122c9d68af4466
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8006091eb71ae7d9e9bccb66c6122c9d68af4466" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/DannyStoyanov/key-value-store 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" "+8006091eb71ae7d9e9bccb66c6122c9d68af4466" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.94
[INFO] [stderr]   Downloaded csv-core v0.1.12
[INFO] [stderr]   Downloaded rstest v0.11.0
[INFO] [stderr]   Downloaded csv v1.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 2d8fba53d7b89039e102e819f02664948c008046520a342c264b6b189a3cc69d
[INFO] running `Command { std: "docker" "start" "2d8fba53d7b89039e102e819f02664948c008046520a342c264b6b189a3cc69d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d8fba53d7b89039e102e819f02664948c008046520a342c264b6b189a3cc69d", 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" "2d8fba53d7b89039e102e819f02664948c008046520a342c264b6b189a3cc69d" "/opt/rustwide/cargo-home/bin/cargo" "+8006091eb71ae7d9e9bccb66c6122c9d68af4466" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d8fba53d7b89039e102e819f02664948c008046520a342c264b6b189a3cc69d", 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" "2d8fba53d7b89039e102e819f02664948c008046520a342c264b6b189a3cc69d" "/opt/rustwide/cargo-home/bin/cargo" "+8006091eb71ae7d9e9bccb66c6122c9d68af4466" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]     Checking csv-core v0.1.12
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling rstest v0.11.0
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking csv v1.3.1
[INFO] [stderr]     Checking key-value-store v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `get_store` is never used
[INFO] [stdout]   --> src/store.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn get_store() -> KeyValueStore {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Store` is never used
[INFO] [stdout]   --> src/store.rs:16:15
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub trait Store {
[INFO] [stdout]    |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `KeyValueStore` is never constructed
[INFO] [stdout]   --> src/store.rs:24:16
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub struct KeyValueStore {
[INFO] [stdout]    |                ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/store.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     impl KeyValueStore {
[INFO] [stdout]    |     ------------------ associated function in this implementation
[INFO] [stdout] 29 |         fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `FileFormat` is never used
[INFO] [stdout]  --> src/fileformat.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub enum FileFormat {
[INFO] [stdout]   |              ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.90s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rstest v0.11.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "2d8fba53d7b89039e102e819f02664948c008046520a342c264b6b189a3cc69d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d8fba53d7b89039e102e819f02664948c008046520a342c264b6b189a3cc69d", kill_on_drop: false }`
[INFO] [stdout] 2d8fba53d7b89039e102e819f02664948c008046520a342c264b6b189a3cc69d