[INFO] fetching crate ebpf-support 0.1.0...
[INFO] checking ebpf-support-0.1.0 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] extracting crate ebpf-support 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate ebpf-support 0.1.0 on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ebpf-support 0.1.0
[INFO] finished tweaking crates.io crate ebpf-support 0.1.0
[INFO] tweaked toml for crates.io crate ebpf-support 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 39596054e30d6086604130108ddf214bfb7b47aa608191bd036ce638d4ab207a
[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" "39596054e30d6086604130108ddf214bfb7b47aa608191bd036ce638d4ab207a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39596054e30d6086604130108ddf214bfb7b47aa608191bd036ce638d4ab207a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39596054e30d6086604130108ddf214bfb7b47aa608191bd036ce638d4ab207a", kill_on_drop: false }`
[INFO] [stdout] 39596054e30d6086604130108ddf214bfb7b47aa608191bd036ce638d4ab207a
[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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9d5e47d97d10860d4817f24b246df21864872e3e2ac5b842d500f4cb413d526
[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" "c9d5e47d97d10860d4817f24b246df21864872e3e2ac5b842d500f4cb413d526", kill_on_drop: false }`
[INFO] [stderr]     Checking ebpf-support v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: missing documentation for an associated constant
[INFO] [stdout]   --> src/ffi/OpenFlags.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  | / bitflags!
[INFO] [stdout] 6  | | {
[INFO] [stdout] 7  | |     /// Flags used for the  `bpf_cmd::PROG_GET_NEXT_ID`, `bpf_cmd::MAP_GET_NEXT_ID`, `bpf_cmd::PROG_GET_FD_BY_ID`, `bpf_cmd::MAP_GET_FD_BY_I...
[INFO] [stdout] 8  | |     pub struct OpenFlags: u32
[INFO] [stdout] ...  |
[INFO] [stdout] 11 | |     }
[INFO] [stdout] 12 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:8:9
[INFO] [stdout]    |
[INFO] [stdout] 8  | #![deny(missing_docs)]
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: missing documentation for an associated constant
[INFO] [stdout]   --> src/ffi/TaskFileDescriptorQueryFlags.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  | / bitflags!
[INFO] [stdout] 6  | | {
[INFO] [stdout] 7  | |     /// Flags used for the `bpf_cmd::TASK_FD_QUERY` bpf syscall command.
[INFO] [stdout] 8  | |     pub struct TaskFileDescriptorQueryFlags: u32
[INFO] [stdout] ...  |
[INFO] [stdout] 11 | |     }
[INFO] [stdout] 12 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ebpf-support`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "c9d5e47d97d10860d4817f24b246df21864872e3e2ac5b842d500f4cb413d526", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9d5e47d97d10860d4817f24b246df21864872e3e2ac5b842d500f4cb413d526", kill_on_drop: false }`
[INFO] [stdout] c9d5e47d97d10860d4817f24b246df21864872e3e2ac5b842d500f4cb413d526