[INFO] cloning repository https://github.com/thallada/warp-caching
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thallada/warp-caching" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthallada%2Fwarp-caching", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthallada%2Fwarp-caching'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c4dffd593504f29bc60d40e21cf29685eee90cff
[INFO] checking thallada/warp-caching against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthallada%2Fwarp-caching" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thallada/warp-caching on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/thallada/warp-caching
[INFO] finished tweaking git repo https://github.com/thallada/warp-caching
[INFO] tweaked toml for git repo https://github.com/thallada/warp-caching written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/thallada/warp-caching already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lru v0.5.3
[INFO] [stderr]   Downloaded tracing-core v0.1.15
[INFO] [stderr]   Downloaded hashbrown v0.9.0
[INFO] [stderr]   Downloaded http-api-problem v0.17.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 40f5422cb1a68bfffbe83fa798d4513b9e28a8121d9065235f23be015d108843
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "40f5422cb1a68bfffbe83fa798d4513b9e28a8121d9065235f23be015d108843", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40f5422cb1a68bfffbe83fa798d4513b9e28a8121d9065235f23be015d108843", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40f5422cb1a68bfffbe83fa798d4513b9e28a8121d9065235f23be015d108843", kill_on_drop: false }`
[INFO] [stdout] 40f5422cb1a68bfffbe83fa798d4513b9e28a8121d9065235f23be015d108843
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c114ec4a79ee59c5b4f74c6121e87bcdcf063024133bef2024ee99805687e45a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c114ec4a79ee59c5b4f74c6121e87bcdcf063024133bef2024ee99805687e45a", kill_on_drop: false }`
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[INFO] [stderr]     Checking hyper v0.13.7
[INFO] [stderr]     Checking tracing-subscriber v0.2.11
[INFO] [stderr]     Checking warp v0.2.5
[INFO] [stderr]     Checking http-api-problem v0.17.0
[INFO] [stderr]     Checking warp-caching v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `warp::http::StatusCode`
[INFO] [stdout]  --> src/caches/cache.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use warp::http::StatusCode;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `reject`
[INFO] [stdout]   --> src/caches/cache.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | use warp::{reject, Rejection, Reply};
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `warp::http::StatusCode`
[INFO] [stdout]  --> src/caches/cache.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use warp::http::StatusCode;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `reject`
[INFO] [stdout]   --> src/caches/cache.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | use warp::{reject, Rejection, Reply};
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `log_keys`
[INFO] [stdout]   --> src/caches/cache.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn log_keys(mut self, value: bool) -> Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]   --> src/caches/cache.rs:53:18
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub async fn get<G, F>(&self, key: K, getter: G) -> Result<V>
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `delete`
[INFO] [stdout]   --> src/caches/cache.rs:73:18
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub async fn delete(&self, key: K) -> Result<Option<V>> {
[INFO] [stdout]    |                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `log_keys`
[INFO] [stdout]   --> src/caches/cache.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn log_keys(mut self, value: bool) -> Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]   --> src/caches/cache.rs:53:18
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub async fn get<G, F>(&self, key: K, getter: G) -> Result<V>
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `delete`
[INFO] [stdout]   --> src/caches/cache.rs:73:18
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub async fn delete(&self, key: K) -> Result<Option<V>> {
[INFO] [stdout]    |                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 03s
[INFO] running `Command { std: "docker" "inspect" "c114ec4a79ee59c5b4f74c6121e87bcdcf063024133bef2024ee99805687e45a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c114ec4a79ee59c5b4f74c6121e87bcdcf063024133bef2024ee99805687e45a", kill_on_drop: false }`
[INFO] [stdout] c114ec4a79ee59c5b4f74c6121e87bcdcf063024133bef2024ee99805687e45a