[INFO] cloning repository https://github.com/lionkor/kv-api-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lionkor/kv-api-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flionkor%2Fkv-api-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flionkor%2Fkv-api-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2a4d0ab1ab9b05e676077e5c269573d21e2ebc69
[INFO] building lionkor/kv-api-rs against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flionkor%2Fkv-api-rs" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lionkor/kv-api-rs
[INFO] finished tweaking git repo https://github.com/lionkor/kv-api-rs
[INFO] tweaked toml for git repo https://github.com/lionkor/kv-api-rs written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lionkor/kv-api-rs on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lionkor/kv-api-rs 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-compression v0.4.14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b300461e6d5ad78c688888763ea641c04975b4c2bf7e67295837cb01e63609b
[INFO] running `Command { std: "docker" "start" "-a" "6b300461e6d5ad78c688888763ea641c04975b4c2bf7e67295837cb01e63609b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b300461e6d5ad78c688888763ea641c04975b4c2bf7e67295837cb01e63609b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b300461e6d5ad78c688888763ea641c04975b4c2bf7e67295837cb01e63609b", kill_on_drop: false }`
[INFO] [stdout] 6b300461e6d5ad78c688888763ea641c04975b4c2bf7e67295837cb01e63609b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b58a7f1a0a5f41a1480e72b3681c2a82bdc1ebba710d3f40b516ae2bca80f693
[INFO] running `Command { std: "docker" "start" "-a" "b58a7f1a0a5f41a1480e72b3681c2a82bdc1ebba710d3f40b516ae2bca80f693", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
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[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling tokio-util v0.7.12
[INFO] [stderr]    Compiling actix-rt v2.10.0
[INFO] [stderr]    Compiling async-compression v0.4.14
[INFO] [stderr]    Compiling actix-server v2.5.0
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[INFO] [stderr]    Compiling polling-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 123 |     let mut store = kv::store::FileBackedKVStore::new(Box::new(file))
[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: type alias `MemoryBackedKVStore` is never used
[INFO] [stdout]   --> src/kv/store.rs:29:10
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub type MemoryBackedKVStore = KVStore<MemoryNoOpRWS>;
[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 `new` is never used
[INFO] [stdout]   --> src/kv/entry.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl KVEntry {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] 23 |     /// Creates a new KVEntry with the given key, value, and MIME type.
[INFO] [stdout] 24 |     pub fn new(key: String, value: Vec<u8>, mime: String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MemoryNoOpRWS` is never constructed
[INFO] [stdout]  --> src/kv/memory_noop.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct MemoryNoOpRWS {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/kv/memory_noop.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl MemoryNoOpRWS {
[INFO] [stdout]   | ------------------ associated function in this implementation
[INFO] [stdout] 8 |     pub fn new() -> Self {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 55.01s
[INFO] running `Command { std: "docker" "inspect" "b58a7f1a0a5f41a1480e72b3681c2a82bdc1ebba710d3f40b516ae2bca80f693", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b58a7f1a0a5f41a1480e72b3681c2a82bdc1ebba710d3f40b516ae2bca80f693", kill_on_drop: false }`
[INFO] [stdout] b58a7f1a0a5f41a1480e72b3681c2a82bdc1ebba710d3f40b516ae2bca80f693
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] acbef172f3018ec2b5252ddf32b45ef481cb0102ca5713c588444f56df07609b
[INFO] running `Command { std: "docker" "start" "-a" "acbef172f3018ec2b5252ddf32b45ef481cb0102ca5713c588444f56df07609b", kill_on_drop: false }`
[INFO] [stderr]    Compiling polling-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 123 |     let mut store = kv::store::FileBackedKVStore::new(Box::new(file))
[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: type alias `MemoryBackedKVStore` is never used
[INFO] [stdout]   --> src/kv/store.rs:29:10
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub type MemoryBackedKVStore = KVStore<MemoryNoOpRWS>;
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `Command { std: "docker" "inspect" "acbef172f3018ec2b5252ddf32b45ef481cb0102ca5713c588444f56df07609b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acbef172f3018ec2b5252ddf32b45ef481cb0102ca5713c588444f56df07609b", kill_on_drop: false }`
[INFO] [stdout] acbef172f3018ec2b5252ddf32b45ef481cb0102ca5713c588444f56df07609b