[INFO] fetching crate panda 0.5.3...
[INFO] checking panda-0.5.3 against beta for pr-78714
[INFO] extracting crate panda 0.5.3 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate panda 0.5.3 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate panda 0.5.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate panda 0.5.3
[INFO] tweaked toml for crates.io crate panda 0.5.3 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate panda 0.5.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta" "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] c1efe8f8fbcd3acdaedb6e4f19c703ccb730da227e5e3250bb4b0935d940f5e0
[INFO] running `Command { std: "docker" "start" "-a" "c1efe8f8fbcd3acdaedb6e4f19c703ccb730da227e5e3250bb4b0935d940f5e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1efe8f8fbcd3acdaedb6e4f19c703ccb730da227e5e3250bb4b0935d940f5e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1efe8f8fbcd3acdaedb6e4f19c703ccb730da227e5e3250bb4b0935d940f5e0", kill_on_drop: false }`
[INFO] [stdout] c1efe8f8fbcd3acdaedb6e4f19c703ccb730da227e5e3250bb4b0935d940f5e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 796af052b3ce7bbe6ead6b1c8d0f169815fe4148771a469ccee6d723aab551b4
[INFO] running `Command { std: "docker" "start" "-a" "796af052b3ce7bbe6ead6b1c8d0f169815fe4148771a469ccee6d723aab551b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling curl v0.4.29
[INFO] [stderr]    Compiling isahc v0.9.3
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.4+1.41.0
[INFO] [stderr]    Compiling curl-sys v0.4.31+curl-7.70.0
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]    Compiling tracing-attributes v0.1.8
[INFO] [stderr]    Compiling serde_repr v0.1.5
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking tracing v0.1.15
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking sluice v0.5.2
[INFO] [stderr]     Checking tungstenite v0.10.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking async-tungstenite v0.5.0
[INFO] [stderr]     Checking panda v0.5.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/gateway/mod.rs:87:21
[INFO] [stdout]    |
[INFO] [stdout] 87 |                     std::mem::replace(self, g);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/gateway/mod.rs:87:21
[INFO] [stdout]    |
[INFO] [stdout] 87 |                     std::mem::replace(self, g);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.53s
[INFO] running `Command { std: "docker" "inspect" "796af052b3ce7bbe6ead6b1c8d0f169815fe4148771a469ccee6d723aab551b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "796af052b3ce7bbe6ead6b1c8d0f169815fe4148771a469ccee6d723aab551b4", kill_on_drop: false }`
[INFO] [stdout] 796af052b3ce7bbe6ead6b1c8d0f169815fe4148771a469ccee6d723aab551b4