[INFO] fetching crate autocache 0.1.8...
[INFO] checking autocache-0.1.8 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate autocache 0.1.8 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate autocache 0.1.8 on toolchain 80399064afa4a2cd153f30d02c25f7ea0383ed65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate autocache 0.1.8
[INFO] finished tweaking crates.io crate autocache 0.1.8
[INFO] tweaked toml for crates.io crate autocache 0.1.8 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded skeptic v0.13.7
[INFO] [stderr]   Downloaded bytecount v0.6.7
[INFO] [stderr]   Downloaded triomphe v0.1.11
[INFO] [stderr]   Downloaded async_singleflight v0.5.2
[INFO] [stderr]   Downloaded cargo_metadata v0.14.2
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[INFO] [stderr]   Downloaded crossbeam-channel v0.5.12
[INFO] [stderr]   Downloaded raw-cpuid v11.0.1
[INFO] [stderr]   Downloaded pulldown-cmark v0.9.6
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc9326b8e2f9517402b336182a43de993e1fc1b4d418098de720bdf3d5f05672
[INFO] running `Command { std: "docker" "start" "-a" "fc9326b8e2f9517402b336182a43de993e1fc1b4d418098de720bdf3d5f05672", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc9326b8e2f9517402b336182a43de993e1fc1b4d418098de720bdf3d5f05672", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc9326b8e2f9517402b336182a43de993e1fc1b4d418098de720bdf3d5f05672", kill_on_drop: false }`
[INFO] [stdout] fc9326b8e2f9517402b336182a43de993e1fc1b4d418098de720bdf3d5f05672
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ce1beb9923899ee887c63c270de26e5ec4ba53652632e4babf0e62c95eea9fe
[INFO] running `Command { std: "docker" "start" "-a" "5ce1beb9923899ee887c63c270de26e5ec4ba53652632e4babf0e62c95eea9fe", kill_on_drop: false }`
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[INFO] [stderr]     Checking pin-project-lite v0.2.13
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[INFO] [stderr]    Compiling syn v2.0.53
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[INFO] [stderr]    Compiling moka v0.12.5
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[INFO] [stderr]    Compiling tokio-macros v2.2.0
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[INFO] [stdout] warning: the feature `result_option_inspect` has been stable since 1.76.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(result_option_inspect)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `result_option_inspect` has been stable since 1.76.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(result_option_inspect)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `count` and `message` are never read
[INFO] [stdout]   --> src/test/local_cache_test.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Item {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 12 |     count: u32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 13 |     message: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Item` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]  --> src/cache.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     async fn mget(&self, keys: &[Self::Key]) -> Result<Vec<Self::Value>>;
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout]   = note: `#[warn(async_fn_in_trait)]` on by default
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]   |
[INFO] [stdout] 8 -     async fn mget(&self, keys: &[Self::Key]) -> Result<Vec<Self::Value>>;
[INFO] [stdout] 8 +     fn mget(&self, keys: &[Self::Key]) -> impl std::future::Future<Output = Result<Vec<Self::Value>>> + Send;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]   --> src/cache.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     async fn mdel(&self, keys: &[Self::Key]) -> Result<()>;
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]    |
[INFO] [stdout] 15 -     async fn mdel(&self, keys: &[Self::Key]) -> Result<()>;
[INFO] [stdout] 15 +     fn mdel(&self, keys: &[Self::Key]) -> impl std::future::Future<Output = Result<()>> + Send;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]  --> src/cache.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     async fn mget(&self, keys: &[Self::Key]) -> Result<Vec<Self::Value>>;
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout]   = note: `#[warn(async_fn_in_trait)]` on by default
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]   |
[INFO] [stdout] 8 -     async fn mget(&self, keys: &[Self::Key]) -> Result<Vec<Self::Value>>;
[INFO] [stdout] 8 +     fn mget(&self, keys: &[Self::Key]) -> impl std::future::Future<Output = Result<Vec<Self::Value>>> + Send;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]   --> src/cache.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     async fn mdel(&self, keys: &[Self::Key]) -> Result<()>;
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]    |
[INFO] [stdout] 15 -     async fn mdel(&self, keys: &[Self::Key]) -> Result<()>;
[INFO] [stdout] 15 +     fn mdel(&self, keys: &[Self::Key]) -> impl std::future::Future<Output = Result<()>> + Send;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.82s
[INFO] running `Command { std: "docker" "inspect" "5ce1beb9923899ee887c63c270de26e5ec4ba53652632e4babf0e62c95eea9fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ce1beb9923899ee887c63c270de26e5ec4ba53652632e4babf0e62c95eea9fe", kill_on_drop: false }`
[INFO] [stdout] 5ce1beb9923899ee887c63c270de26e5ec4ba53652632e4babf0e62c95eea9fe
