[INFO] fetching crate redbpf 0.9.9...
[INFO] checking redbpf-0.9.9 against master#73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de for pr-68325
[INFO] extracting crate redbpf 0.9.9 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate redbpf 0.9.9 on toolchain 73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de
[INFO] running `"/workspace/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate redbpf 0.9.9
[INFO] finished tweaking crates.io crate redbpf 0.9.9
[INFO] tweaked toml for crates.io crate redbpf 0.9.9 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 085693fd7861612cb2371a3c00649c8c56b553e2f8a448c3745d95ab35e793f8
[INFO] running `"docker" "start" "-a" "085693fd7861612cb2371a3c00649c8c56b553e2f8a448c3745d95ab35e793f8"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]     Checking which v3.1.0
[INFO] [stderr]     Checking clang-sys v0.28.1
[INFO] [stderr]     Checking cexpr v0.3.6
[INFO] [stderr]     Checking goblin v0.0.20
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling bindgen v0.51.1
[INFO] [stderr]    Compiling bpf-sys v0.9.9
[INFO] [stderr]     Checking redbpf v0.9.9 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/cpus.rs:43:9
[INFO] [stderr]    |
[INFO] [stderr] 43 |         (start..=end)
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/cpus.rs:43:9
[INFO] [stderr]    |
[INFO] [stderr] 43 |         (start..=end)
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.08s
[INFO] running `"docker" "inspect" "085693fd7861612cb2371a3c00649c8c56b553e2f8a448c3745d95ab35e793f8"`
[INFO] running `"docker" "rm" "-f" "085693fd7861612cb2371a3c00649c8c56b553e2f8a448c3745d95ab35e793f8"`
[INFO] [stdout] 085693fd7861612cb2371a3c00649c8c56b553e2f8a448c3745d95ab35e793f8