[INFO] fetching crate hbs-pow 0.2.0...
[INFO] checking hbs-pow-0.2.0 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate hbs-pow 0.2.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate hbs-pow 0.2.0 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate hbs-pow 0.2.0
[INFO] finished tweaking crates.io crate hbs-pow 0.2.0
[INFO] tweaked toml for crates.io crate hbs-pow 0.2.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] cdfe4b05ec18e21c92ca81ca1ce22e92294ee9f4fe09a94b038d3077b714811d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "cdfe4b05ec18e21c92ca81ca1ce22e92294ee9f4fe09a94b038d3077b714811d"`
[INFO] [stderr]    Compiling hbs-builder v0.2.1
[INFO] [stderr]     Checking hbs-common-sys v0.2.1
[INFO] [stderr]    Compiling hbs-pow-sys v0.2.1
[INFO] [stderr]     Checking hbs-pow v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> lib.rs:30:26
[INFO] [stderr]    |
[INFO] [stderr] 30 |             let mut hb = mem::uninitialized();
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> lib.rs:30:26
[INFO] [stderr]    |
[INFO] [stderr] 30 |             let mut hb = mem::uninitialized();
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the type `hbs_pow_sys::heartbeat_pow_context` does not permit being left uninitialized
[INFO] [stderr]   --> lib.rs:30:26
[INFO] [stderr]    |
[INFO] [stderr] 30 |             let mut hb = mem::uninitialized();
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |                          |
[INFO] [stderr]    |                          this code causes undefined behavior when executed
[INFO] [stderr]    |                          help: use `MaybeUninit<T>` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stderr] note: Function pointers must be non-null (in this struct field)
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hbs-pow-sys-0.2.1/lib.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub hwc_callback: heartbeat_pow_window_complete,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `received_cb` should have an upper case name
[INFO] [stderr]    --> lib.rs:212:20
[INFO] [stderr]     |
[INFO] [stderr] 212 |         static mut received_cb: bool = false;
[INFO] [stderr]     |                    ^^^^^^^^^^^ help: convert the identifier to upper case: `RECEIVED_CB`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the type `hbs_pow_sys::heartbeat_pow_context` does not permit being left uninitialized
[INFO] [stderr]   --> lib.rs:30:26
[INFO] [stderr]    |
[INFO] [stderr] 30 |             let mut hb = mem::uninitialized();
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |                          |
[INFO] [stderr]    |                          this code causes undefined behavior when executed
[INFO] [stderr]    |                          help: use `MaybeUninit<T>` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stderr] note: Function pointers must be non-null (in this struct field)
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hbs-pow-sys-0.2.1/lib.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub hwc_callback: heartbeat_pow_window_complete,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.47s
[INFO] running `"docker" "inspect" "cdfe4b05ec18e21c92ca81ca1ce22e92294ee9f4fe09a94b038d3077b714811d"`
[INFO] running `"docker" "rm" "-f" "cdfe4b05ec18e21c92ca81ca1ce22e92294ee9f4fe09a94b038d3077b714811d"`
[INFO] [stdout] cdfe4b05ec18e21c92ca81ca1ce22e92294ee9f4fe09a94b038d3077b714811d