[INFO] fetching crate ebpf-support 0.1.0...
[INFO] checking ebpf-support-0.1.0 against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[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 b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "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" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "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] 15e9a72caa7ea1e1fb12acc62fc5997cded7fbe7c1b3db7147e7b708de530c32
[INFO] running `Command { std: "docker" "start" "-a" "15e9a72caa7ea1e1fb12acc62fc5997cded7fbe7c1b3db7147e7b708de530c32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15e9a72caa7ea1e1fb12acc62fc5997cded7fbe7c1b3db7147e7b708de530c32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15e9a72caa7ea1e1fb12acc62fc5997cded7fbe7c1b3db7147e7b708de530c32", kill_on_drop: false }`
[INFO] [stdout] 15e9a72caa7ea1e1fb12acc62fc5997cded7fbe7c1b3db7147e7b708de530c32
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ada95b8097f39852737b9e039bc3c02a5be78951356d52e5a66aadfc5fc9d90f
[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" "ada95b8097f39852737b9e039bc3c02a5be78951356d52e5a66aadfc5fc9d90f", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ada95b8097f39852737b9e039bc3c02a5be78951356d52e5a66aadfc5fc9d90f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ada95b8097f39852737b9e039bc3c02a5be78951356d52e5a66aadfc5fc9d90f", kill_on_drop: false }`
[INFO] [stdout] ada95b8097f39852737b9e039bc3c02a5be78951356d52e5a66aadfc5fc9d90f