[INFO] fetching crate memdb 1.0.0... [INFO] testing memdb-1.0.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] extracting crate memdb 1.0.0 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate memdb 1.0.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-1/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded futures-sink-preview v0.3.0-alpha.19 [INFO] [stderr] Downloaded async-ready v3.0.0 [INFO] [stderr] Downloaded romio v0.3.0-alpha.10 [INFO] [stderr] Downloaded juliex v0.3.0-alpha.8 [INFO] [stderr] Downloaded runtime-attributes v0.3.0-alpha.6 [INFO] [stderr] Downloaded futures-timer v0.3.0 [INFO] [stderr] Downloaded async-datagram v3.0.0 [INFO] [stderr] Downloaded runtime-native v0.3.0-alpha.6 [INFO] [stderr] Downloaded runtime-raw v0.3.0-alpha.5 [INFO] [stderr] Downloaded futures-io-preview v0.3.0-alpha.19 [INFO] [stderr] Downloaded runtime v0.3.0-alpha.8 [INFO] [stderr] Downloaded futures-preview v0.3.0-alpha.19 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0d4ee8018cd79318570820fbf14fc2967cd994ed6afb4ce4049bbb165af81503 [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" "0d4ee8018cd79318570820fbf14fc2967cd994ed6afb4ce4049bbb165af81503", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0d4ee8018cd79318570820fbf14fc2967cd994ed6afb4ce4049bbb165af81503", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0d4ee8018cd79318570820fbf14fc2967cd994ed6afb4ce4049bbb165af81503", kill_on_drop: false }` [INFO] [stdout] 0d4ee8018cd79318570820fbf14fc2967cd994ed6afb4ce4049bbb165af81503 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3483680db92b47fdc1913dbd22faf1d419f988e34e74ab8c6bfd90829dbe40db [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" "3483680db92b47fdc1913dbd22faf1d419f988e34e74ab8c6bfd90829dbe40db", kill_on_drop: false }` [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Compiling lock_api v0.1.5 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand v0.5.6 [INFO] [stderr] Compiling parking_lot v0.6.4 [INFO] [stderr] Compiling 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] Finished dev [unoptimized + debuginfo] target(s) in 6.29s [INFO] running `Command { std: "docker" "inspect" "3483680db92b47fdc1913dbd22faf1d419f988e34e74ab8c6bfd90829dbe40db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3483680db92b47fdc1913dbd22faf1d419f988e34e74ab8c6bfd90829dbe40db", kill_on_drop: false }` [INFO] [stdout] 3483680db92b47fdc1913dbd22faf1d419f988e34e74ab8c6bfd90829dbe40db [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e983a0cea9105464a7b3bf90257091087cce1def1c4ee9f491752b2e62ec92a7 [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" "e983a0cea9105464a7b3bf90257091087cce1def1c4ee9f491752b2e62ec92a7", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling slab v0.4.5 [INFO] [stderr] Compiling futures-sink-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling futures-core-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling futures v0.1.31 [INFO] [stderr] Compiling futures-io-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling pin-project-internal v0.4.28 [INFO] [stderr] Compiling async-datagram v3.0.0 [INFO] [stderr] Compiling async-ready v3.0.0 [INFO] [stderr] Compiling crossbeam-utils v0.6.6 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling net2 v0.2.37 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [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] Compiling futures-channel-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Compiling syn v1.0.81 [INFO] [stderr] Compiling crossbeam-queue v0.2.3 [INFO] [stderr] Compiling crossbeam-channel v0.4.4 [INFO] [stderr] Compiling mio-uds v0.6.8 [INFO] [stderr] Compiling crossbeam-deque v0.7.4 [INFO] [stderr] Compiling crossbeam v0.7.3 [INFO] [stderr] Compiling futures-util-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling futures-executor-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling futures-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling romio v0.3.0-alpha.10 [INFO] [stderr] Compiling futures-timer v0.3.0 [INFO] [stderr] Compiling juliex v0.3.0-alpha.8 [INFO] [stderr] Compiling runtime-raw v0.3.0-alpha.5 [INFO] [stderr] Compiling runtime-native v0.3.0-alpha.6 [INFO] [stderr] Compiling runtime-attributes v0.3.0-alpha.6 [INFO] [stderr] Compiling pin-project v0.4.28 [INFO] [stderr] Compiling runtime v0.3.0-alpha.8 [INFO] [stderr] Compiling 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: 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] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 42.41s [INFO] running `Command { std: "docker" "inspect" "e983a0cea9105464a7b3bf90257091087cce1def1c4ee9f491752b2e62ec92a7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e983a0cea9105464a7b3bf90257091087cce1def1c4ee9f491752b2e62ec92a7", kill_on_drop: false }` [INFO] [stdout] e983a0cea9105464a7b3bf90257091087cce1def1c4ee9f491752b2e62ec92a7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 64bd8e090e9b2e483325398487bfc5bdcc8bb8759583271b7fa780d644c8091a [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" "64bd8e090e9b2e483325398487bfc5bdcc8bb8759583271b7fa780d644c8091a", kill_on_drop: false }` [INFO] [stderr] warning: `must_use` attribute on `async` functions applies to the anonymous `Future` returned by the function, not the value within [INFO] [stderr] --> src/lib.rs:54:5 [INFO] [stderr] | [INFO] [stderr] 54 | #[must_use] [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] 55 | #[inline] [INFO] [stderr] 56 | / pub async fn get(&self, key: impl AsRef<[u8]>) -> io::Result>> { [INFO] [stderr] 57 | | let key = key.as_ref().to_owned(); [INFO] [stderr] 58 | | let hashmap = &self.hashmap.read(); [INFO] [stderr] 59 | | Ok(hashmap.get(&key).cloned()) [INFO] [stderr] 60 | | } [INFO] [stderr] | |_____- this attribute does nothing, the `Future`s returned by async functions are already `must_use` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_attributes)]` on by default [INFO] [stderr] [INFO] [stderr] warning: the feature `async_await` has been stable since 1.39.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/lib.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(async_await)] [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `memdb` (lib) generated 2 warnings [INFO] [stderr] warning: unused import: `std::error` [INFO] [stderr] --> tests/test.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::error; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: the feature `async_await` has been stable since 1.39.0 and no longer requires an attribute to enable [INFO] [stderr] --> tests/test.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(async_await)] [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `memdb` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] warning: `memdb` (test "test") generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.12s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/memdb-a7ce92a0ea7b5d96) [INFO] [stdout] running 0 tests [INFO] [stderr] Running tests/test.rs (/opt/rustwide/target/debug/deps/test-9c4cbc57a5029584) [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test set_get ... ok [INFO] [stdout] test threaded_set_get ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s [INFO] [stdout] [INFO] [stderr] Doc-tests memdb [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 8) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.40s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "64bd8e090e9b2e483325398487bfc5bdcc8bb8759583271b7fa780d644c8091a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "64bd8e090e9b2e483325398487bfc5bdcc8bb8759583271b7fa780d644c8091a", kill_on_drop: false }` [INFO] [stdout] 64bd8e090e9b2e483325398487bfc5bdcc8bb8759583271b7fa780d644c8091a