[INFO] fetching crate hbs-pow 0.2.0...
[INFO] checking hbs-pow-0.2.0 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate hbs-pow 0.2.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate hbs-pow 0.2.0 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hbs-pow-sys v0.2.1
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] e4edd71fd752ad45c8132fff75e31778c0ba00104b449700cbab7e66dfc5ad66
[INFO] running `"docker" "start" "-a" "e4edd71fd752ad45c8132fff75e31778c0ba00104b449700cbab7e66dfc5ad66"`
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]     Checking hbs-common-sys v0.2.1
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling hbs-builder 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, and only call `assume_init` after initialization is done
[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: 2 warnings emitted
[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, and only call `assume_init` after initialization is done
[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: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.68s
[INFO] running `"docker" "inspect" "e4edd71fd752ad45c8132fff75e31778c0ba00104b449700cbab7e66dfc5ad66"`
[INFO] running `"docker" "rm" "-f" "e4edd71fd752ad45c8132fff75e31778c0ba00104b449700cbab7e66dfc5ad66"`
[INFO] [stdout] e4edd71fd752ad45c8132fff75e31778c0ba00104b449700cbab7e66dfc5ad66