[INFO] fetching crate virt 0.2.11...
[INFO] checking virt-0.2.11 against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] extracting crate virt 0.2.11 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate virt 0.2.11 on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate virt 0.2.11
[INFO] finished tweaking crates.io crate virt 0.2.11
[INFO] tweaked toml for crates.io crate virt 0.2.11 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f71e91afb2cfce2e162e49bddf76ee730557cb11a34cdd2e717e46f215ec5789
[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" "f71e91afb2cfce2e162e49bddf76ee730557cb11a34cdd2e717e46f215ec5789", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f71e91afb2cfce2e162e49bddf76ee730557cb11a34cdd2e717e46f215ec5789", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f71e91afb2cfce2e162e49bddf76ee730557cb11a34cdd2e717e46f215ec5789", kill_on_drop: false }`
[INFO] [stdout] f71e91afb2cfce2e162e49bddf76ee730557cb11a34cdd2e717e46f215ec5789
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8035cef0cbfac994f235380949fad145855e7280c78a3cddd52ec11ffd28674
[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" "f8035cef0cbfac994f235380949fad145855e7280c78a3cddd52ec11ffd28674", kill_on_drop: false }`
[INFO] [stderr]     Checking virt v0.2.11 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/connect.rs:362:72
[INFO] [stdout]     |
[INFO] [stdout] 362 | pub const VIR_CONNECT_BASELINE_CPU_EXPAND_FEATURES: BaselineCPUFlags = (1 << 0);
[INFO] [stdout]     |                                                                        ^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/connect.rs:363:67
[INFO] [stdout]     |
[INFO] [stdout] 363 | pub const VIR_CONNECT_BASELINE_CPU_MIGRATABLE: BaselineCPUFlags = (1 << 1);
[INFO] [stdout]     |                                                                   ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/stream.rs:48:56
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub const VIR_STREAM_EVENT_READABLE: StreamEventType = (1 << 0);
[INFO] [stdout]    |                                                        ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/stream.rs:49:56
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub const VIR_STREAM_EVENT_WRITABLE: StreamEventType = (1 << 1);
[INFO] [stdout]    |                                                        ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/stream.rs:50:53
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub const VIR_STREAM_EVENT_ERROR: StreamEventType = (1 << 2);
[INFO] [stdout]    |                                                     ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/stream.rs:51:54
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub const VIR_STREAM_EVENT_HANGUP: StreamEventType = (1 << 3);
[INFO] [stdout]    |                                                      ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/connect.rs:362:72
[INFO] [stdout]     |
[INFO] [stdout] 362 | pub const VIR_CONNECT_BASELINE_CPU_EXPAND_FEATURES: BaselineCPUFlags = (1 << 0);
[INFO] [stdout]     |                                                                        ^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/connect.rs:363:67
[INFO] [stdout]     |
[INFO] [stdout] 363 | pub const VIR_CONNECT_BASELINE_CPU_MIGRATABLE: BaselineCPUFlags = (1 << 1);
[INFO] [stdout]     |                                                                   ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/stream.rs:48:56
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub const VIR_STREAM_EVENT_READABLE: StreamEventType = (1 << 0);
[INFO] [stdout]    |                                                        ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/stream.rs:49:56
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub const VIR_STREAM_EVENT_WRITABLE: StreamEventType = (1 << 1);
[INFO] [stdout]    |                                                        ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/stream.rs:50:53
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub const VIR_STREAM_EVENT_ERROR: StreamEventType = (1 << 2);
[INFO] [stdout]    |                                                     ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/stream.rs:51:54
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub const VIR_STREAM_EVENT_HANGUP: StreamEventType = (1 << 3);
[INFO] [stdout]    |                                                      ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.93s
[INFO] running `Command { std: "docker" "inspect" "f8035cef0cbfac994f235380949fad145855e7280c78a3cddd52ec11ffd28674", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8035cef0cbfac994f235380949fad145855e7280c78a3cddd52ec11ffd28674", kill_on_drop: false }`
[INFO] [stdout] f8035cef0cbfac994f235380949fad145855e7280c78a3cddd52ec11ffd28674