[INFO] fetching crate memdb 1.0.0... [INFO] checking memdb-1.0.0 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141 [INFO] extracting crate memdb 1.0.0 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate memdb 1.0.0 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate memdb 1.0.0 [INFO] finished tweaking crates.io crate memdb 1.0.0 [INFO] tweaked toml for crates.io crate memdb 1.0.0 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ad5bcafd6fbe753101b797865d3cbfbf137debadf0084edbd8e0bee3addfc6fa [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" "ad5bcafd6fbe753101b797865d3cbfbf137debadf0084edbd8e0bee3addfc6fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ad5bcafd6fbe753101b797865d3cbfbf137debadf0084edbd8e0bee3addfc6fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ad5bcafd6fbe753101b797865d3cbfbf137debadf0084edbd8e0bee3addfc6fa", kill_on_drop: false }` [INFO] [stdout] ad5bcafd6fbe753101b797865d3cbfbf137debadf0084edbd8e0bee3addfc6fa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c5a56db9398c48ba828195f4b74faf37f8485fd15ae3f0065f77e49b01c75bed [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" "c5a56db9398c48ba828195f4b74faf37f8485fd15ae3f0065f77e49b01c75bed", kill_on_drop: false }` [INFO] [stderr] Checking futures-sink-preview v0.3.0-alpha.19 [INFO] [stderr] Checking futures-core-preview v0.3.0-alpha.19 [INFO] [stderr] Checking futures-io-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Checking async-ready v3.0.0 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking async-datagram v3.0.0 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking log v0.4.14 [INFO] [stderr] Checking crossbeam-utils v0.7.2 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Checking parking_lot_core v0.6.2 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking futures-channel-preview v0.3.0-alpha.19 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Checking parking_lot v0.9.0 [INFO] [stderr] Checking crossbeam-epoch v0.8.2 [INFO] [stderr] Checking crossbeam-channel v0.4.4 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Checking futures-util-preview v0.3.0-alpha.19 [INFO] [stderr] Checking crossbeam-deque v0.7.4 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking crossbeam v0.7.3 [INFO] [stderr] Compiling syn v1.0.82 [INFO] [stderr] Checking parking_lot v0.6.4 [INFO] [stderr] Checking memdb v1.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: `must_use` attribute on `async` functions applies to the anonymous `Future` returned by the function, not the value within [INFO] [stdout] --> src/lib.rs:54:5 [INFO] [stdout] | [INFO] [stdout] 54 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 55 | #[inline] [INFO] [stdout] 56 | / pub async fn get(&self, key: impl AsRef<[u8]>) -> io::Result>> { [INFO] [stdout] 57 | | let key = key.as_ref().to_owned(); [INFO] [stdout] 58 | | let hashmap = &self.hashmap.read(); [INFO] [stdout] 59 | | Ok(hashmap.get(&key).cloned()) [INFO] [stdout] 60 | | } [INFO] [stdout] | |_____- this attribute does nothing, the `Future`s returned by async functions are already `must_use` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `async_await` has been stable since 1.39.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(async_await)] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking futures-executor-preview v0.3.0-alpha.19 [INFO] [stderr] Checking futures-preview v0.3.0-alpha.19 [INFO] [stderr] Checking futures-timer v0.3.0 [INFO] [stderr] Checking romio v0.3.0-alpha.10 [INFO] [stderr] Checking runtime-raw v0.3.0-alpha.5 [INFO] [stderr] Checking juliex v0.3.0-alpha.8 [INFO] [stderr] Checking runtime-native v0.3.0-alpha.6 [INFO] [stderr] Compiling pin-project-internal v0.4.28 [INFO] [stderr] Compiling runtime-attributes v0.3.0-alpha.6 [INFO] [stderr] Checking pin-project v0.4.28 [INFO] [stderr] Checking runtime v0.3.0-alpha.8 [INFO] [stdout] warning: `must_use` attribute on `async` functions applies to the anonymous `Future` returned by the function, not the value within [INFO] [stdout] --> src/lib.rs:54:5 [INFO] [stdout] | [INFO] [stdout] 54 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 55 | #[inline] [INFO] [stdout] 56 | / pub async fn get(&self, key: impl AsRef<[u8]>) -> io::Result>> { [INFO] [stdout] 57 | | let key = key.as_ref().to_owned(); [INFO] [stdout] 58 | | let hashmap = &self.hashmap.read(); [INFO] [stdout] 59 | | Ok(hashmap.get(&key).cloned()) [INFO] [stdout] 60 | | } [INFO] [stdout] | |_____- this attribute does nothing, the `Future`s returned by async functions are already `must_use` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `async_await` has been stable since 1.39.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(async_await)] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::error` [INFO] [stdout] --> tests/test.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::error; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `async_await` has been stable since 1.39.0 and no longer requires an attribute to enable [INFO] [stdout] --> tests/test.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(async_await)] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 31.82s [INFO] running `Command { std: "docker" "inspect" "c5a56db9398c48ba828195f4b74faf37f8485fd15ae3f0065f77e49b01c75bed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c5a56db9398c48ba828195f4b74faf37f8485fd15ae3f0065f77e49b01c75bed", kill_on_drop: false }` [INFO] [stdout] c5a56db9398c48ba828195f4b74faf37f8485fd15ae3f0065f77e49b01c75bed