[INFO] fetching crate sentinel-core 0.1.0... [INFO] testing sentinel-core-0.1.0 against 1.60.0 for beta-1.61-1 [INFO] extracting crate sentinel-core 0.1.0 into /workspace/builds/worker-11/source [INFO] validating manifest of crates.io crate sentinel-core 0.1.0 on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate sentinel-core 0.1.0 [INFO] removed 24 missing examples [INFO] finished tweaking crates.io crate sentinel-core 0.1.0 [INFO] tweaked toml for crates.io crate sentinel-core 0.1.0 written to /workspace/builds/worker-11/source/Cargo.toml [INFO] crate crates.io crate sentinel-core 0.1.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ascii v1.0.0 [INFO] [stderr] Downloaded downcast v0.11.0 [INFO] [stderr] Downloaded schemars_derive v0.8.8 [INFO] [stderr] Downloaded http-range-header v0.3.0 [INFO] [stderr] Downloaded mockall_derive v0.11.0 [INFO] [stderr] Downloaded async-stream-impl v0.3.2 [INFO] [stderr] Downloaded treediff v3.0.2 [INFO] [stderr] Downloaded json-patch v0.2.6 [INFO] [stderr] Downloaded prost-derive v0.9.0 [INFO] [stderr] Downloaded petgraph v0.6.0 [INFO] [stderr] Downloaded kube-core v0.65.0 [INFO] [stderr] Downloaded directories v4.0.1 [INFO] [stderr] Downloaded enum-map v1.1.1 [INFO] [stderr] Downloaded consul v0.4.2 [INFO] [stderr] Downloaded enum-map-derive v0.6.0 [INFO] [stderr] Downloaded tiny_http v0.10.0 [INFO] [stderr] Downloaded prost v0.9.0 [INFO] [stderr] Downloaded which v4.2.4 [INFO] [stderr] Downloaded fixedbitset v0.4.1 [INFO] [stderr] Downloaded lru v0.7.3 [INFO] [stderr] Downloaded fragile v1.1.0 [INFO] [stderr] Downloaded sentinel-macros v0.1.0 [INFO] [stderr] Downloaded kube v0.65.0 [INFO] [stderr] Downloaded proxy-wasm v0.1.4 [INFO] [stderr] Downloaded sysinfo v0.23.5 [INFO] [stderr] Downloaded kube-runtime v0.65.0 [INFO] [stderr] Downloaded jsonpath_lib v0.3.0 [INFO] [stderr] Downloaded prometheus_exporter v0.8.4 [INFO] [stderr] Downloaded serde_derive_internals v0.25.0 [INFO] [stderr] Downloaded schemars v0.8.8 [INFO] [stderr] Downloaded tonic v0.6.2 [INFO] [stderr] Downloaded etcd-rs v0.6.0 [INFO] [stderr] Downloaded kube-derive v0.65.0 [INFO] [stderr] Downloaded tower-http v0.2.3 [INFO] [stderr] Downloaded kube-client v0.65.0 [INFO] [stderr] Downloaded prost-types v0.9.0 [INFO] [stderr] Downloaded tonic-build v0.6.2 [INFO] [stderr] Downloaded async-stream v0.3.2 [INFO] [stderr] Downloaded mockall v0.11.0 [INFO] [stderr] Downloaded prometheus v0.13.0 [INFO] [stderr] Downloaded k8s-openapi v0.13.1 [INFO] [stderr] Downloaded prost-build v0.9.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 01bbd72dcb80eab9590fb8a57031d4ef77869ca0c6755863442a053ad3cc35a4 [INFO] running `Command { std: "docker" "start" "-a" "01bbd72dcb80eab9590fb8a57031d4ef77869ca0c6755863442a053ad3cc35a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "01bbd72dcb80eab9590fb8a57031d4ef77869ca0c6755863442a053ad3cc35a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "01bbd72dcb80eab9590fb8a57031d4ef77869ca0c6755863442a053ad3cc35a4", kill_on_drop: false }` [INFO] [stdout] 01bbd72dcb80eab9590fb8a57031d4ef77869ca0c6755863442a053ad3cc35a4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4c52510ea3a5378412692e39ab8d6e51f65728a28ac2ea5acf341ded629c8e63 [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" "4c52510ea3a5378412692e39ab8d6e51f65728a28ac2ea5acf341ded629c8e63", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling crossbeam-utils v0.8.7 [INFO] [stderr] Compiling crossbeam-epoch v0.9.7 [INFO] [stderr] Compiling sysinfo v0.23.5 [INFO] [stderr] Compiling getrandom v0.2.5 [INFO] [stderr] Compiling time v0.3.7 [INFO] [stderr] Compiling ahash v0.7.6 [INFO] [stderr] Compiling hashbrown v0.11.2 [INFO] [stderr] Compiling indexmap v1.8.0 [INFO] [stderr] Compiling lru v0.7.3 [INFO] [stderr] Compiling crossbeam-channel v0.5.2 [INFO] [stderr] Compiling crossbeam-deque v0.8.1 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Compiling enum-map-derive v0.6.0 [INFO] [stderr] Compiling enum-map v1.1.1 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling uuid v0.8.2 [INFO] [stderr] Compiling serde_yaml v0.8.23 [INFO] [stderr] Compiling serde_json v1.0.79 [INFO] [stderr] Compiling sentinel-core v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0515]: cannot return value referencing temporary value [INFO] [stdout] --> src/core/hotspot/cache.rs:127:9 [INFO] [stdout] | [INFO] [stdout] 127 | self.cache [INFO] [stdout] | _________^ [INFO] [stdout] | |_________| [INFO] [stdout] | || [INFO] [stdout] 128 | || .read() [INFO] [stdout] 129 | || .unwrap() [INFO] [stdout] | ||_____________________- temporary value created here [INFO] [stdout] 130 | | .iter() [INFO] [stdout] 131 | | .map(|(k, _v)| k) [INFO] [stdout] 132 | | .rev() [INFO] [stdout] 133 | | .collect() [INFO] [stdout] | |_______________________^ returns a value referencing data owned by the current function [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0515`. [INFO] [stdout] [INFO] [stderr] error: could not compile `sentinel-core` due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "4c52510ea3a5378412692e39ab8d6e51f65728a28ac2ea5acf341ded629c8e63", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4c52510ea3a5378412692e39ab8d6e51f65728a28ac2ea5acf341ded629c8e63", kill_on_drop: false }` [INFO] [stdout] 4c52510ea3a5378412692e39ab8d6e51f65728a28ac2ea5acf341ded629c8e63