[INFO] fetching crate rxdp 0.3.1...
[INFO] checking rxdp-0.3.1 against try#ac4c3613be2acd5395b65d85e5657b81e3c982f0 for pr-154585
[INFO] extracting crate rxdp 0.3.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate rxdp 0.3.1
[INFO] finished tweaking crates.io crate rxdp 0.3.1
[INFO] tweaked toml for crates.io crate rxdp 0.3.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rxdp 0.3.1 on toolchain ac4c3613be2acd5395b65d85e5657b81e3c982f0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ac4c3613be2acd5395b65d85e5657b81e3c982f0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ac4c3613be2acd5395b65d85e5657b81e3c982f0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 79 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.11.0)
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.8.2)
[INFO] [stderr]       Adding errno v0.2.8 (available: v0.3.14)
[INFO] [stderr]       Adding libbpf-sys v0.1.0-1 (available: v1.7.0+v1.7.0)
[INFO] [stderr]       Adding rand v0.7.3 (available: v0.10.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ac4c3613be2acd5395b65d85e5657b81e3c982f0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ac4c3613be2acd5395b65d85e5657b81e3c982f0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bffa496e682bea9fa4133c7d794769773e94539e8797e8036df572548ca7853c
[INFO] running `Command { std: "docker" "start" "-a" "bffa496e682bea9fa4133c7d794769773e94539e8797e8036df572548ca7853c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bffa496e682bea9fa4133c7d794769773e94539e8797e8036df572548ca7853c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bffa496e682bea9fa4133c7d794769773e94539e8797e8036df572548ca7853c", kill_on_drop: false }`
[INFO] [stdout] bffa496e682bea9fa4133c7d794769773e94539e8797e8036df572548ca7853c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ac4c3613be2acd5395b65d85e5657b81e3c982f0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55c913214be311d3ec87ab22d5e329095f463fbd70e7b3de572ad2cd73624a55
[INFO] running `Command { std: "docker" "start" "-a" "55c913214be311d3ec87ab22d5e329095f463fbd70e7b3de572ad2cd73624a55", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling libbpf-sys v0.1.0-1
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rxdp v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking half v1.8.3
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking errno v0.2.8
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking regex v1.12.3
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stdout] error: functions generic over types or consts must be mangled
[INFO] [stdout]   --> src/perf_event_handler.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     #[no_mangle]
[INFO] [stdout]    |     ------------ help: remove this attribute
[INFO] [stdout] 53 |     unsafe extern "C" fn sample_event(ctx: *mut c_void, cpu: i32, data: *mut c_void, size: u32) {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(no_mangle_generic_items)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: functions generic over types or consts must be mangled
[INFO] [stdout]   --> src/perf_event_handler.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 58 |     #[no_mangle]
[INFO] [stdout]    |     ------------ help: remove this attribute
[INFO] [stdout] 59 |     unsafe extern "C" fn lost_event(ctx: *mut c_void, cpu: i32, cnt: u64) {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rxdp` (lib test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: functions generic over types or consts must be mangled
[INFO] [stdout]   --> src/perf_event_handler.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     #[no_mangle]
[INFO] [stdout]    |     ------------ help: remove this attribute
[INFO] [stdout] 53 |     unsafe extern "C" fn sample_event(ctx: *mut c_void, cpu: i32, data: *mut c_void, size: u32) {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(no_mangle_generic_items)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: functions generic over types or consts must be mangled
[INFO] [stdout]   --> src/perf_event_handler.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 58 |     #[no_mangle]
[INFO] [stdout]    |     ------------ help: remove this attribute
[INFO] [stdout] 59 |     unsafe extern "C" fn lost_event(ctx: *mut c_void, cpu: i32, cnt: u64) {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rxdp` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "55c913214be311d3ec87ab22d5e329095f463fbd70e7b3de572ad2cd73624a55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55c913214be311d3ec87ab22d5e329095f463fbd70e7b3de572ad2cd73624a55", kill_on_drop: false }`
[INFO] [stdout] 55c913214be311d3ec87ab22d5e329095f463fbd70e7b3de572ad2cd73624a55