[INFO] fetching crate spng-sys 0.1.0-alpha.5...
[INFO] checking spng-sys-0.1.0-alpha.5 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate spng-sys 0.1.0-alpha.5 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate spng-sys 0.1.0-alpha.5 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate spng-sys 0.1.0-alpha.5
[INFO] finished tweaking crates.io crate spng-sys 0.1.0-alpha.5
[INFO] tweaked toml for crates.io crate spng-sys 0.1.0-alpha.5 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 999d3ec210fa9803889c643293869e3165b3325cbcf9a64829864cfe53672af3
[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" "999d3ec210fa9803889c643293869e3165b3325cbcf9a64829864cfe53672af3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "999d3ec210fa9803889c643293869e3165b3325cbcf9a64829864cfe53672af3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "999d3ec210fa9803889c643293869e3165b3325cbcf9a64829864cfe53672af3", kill_on_drop: false }`
[INFO] [stdout] 999d3ec210fa9803889c643293869e3165b3325cbcf9a64829864cfe53672af3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 4a8d3c1cd427a5f24c600fb6419458a311bf29a6cac1b9ef383e416695e89425
[INFO] running `Command { std: "docker" "start" "-a" "4a8d3c1cd427a5f24c600fb6419458a311bf29a6cac1b9ef383e416695e89425", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.60
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling spng-sys v0.1.0-alpha.5 (/opt/rustwide/workdir)
[INFO] [stderr] warning: libspng/spng.c: In function 'spng__inflate_stream':
[INFO] [stderr] warning: libspng/spng.c:754:14: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
[INFO] [stderr] warning:   754 |     if(extra > max) return SPNG_EMEM;
[INFO] [stderr] warning:       |              ^
[INFO] [stderr] warning: libspng/spng.c:837:13: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
[INFO] [stderr] warning:   837 |     if(size < extra) goto mem;
[INFO] [stderr] warning:       |             ^
[INFO] [stderr] warning: libspng/spng.c: In function 'spng_decode_image':
[INFO] [stderr] warning: libspng/spng.c:2913:20: warning: comparison of integer expressions of different signedness: 'int' and 'uint32_t' {aka 'unsigned int'} [-Wsign-compare]
[INFO] [stderr] warning:  2913 |         for(i=0; i < lut_entries; i++)
[INFO] [stderr] warning:       |                    ^
[INFO] [stderr] warning: libspng/spng.c:2995:34: warning: comparison of integer expressions of different signedness: 'int' and 'uint32_t' {aka 'unsigned int'} [-Wsign-compare]
[INFO] [stderr] warning:  2995 |             if(f.apply_trns && i < ctx->trns.n_type3_entries)
[INFO] [stderr] warning:       |                                  ^
[INFO] [stderr] warning: libspng/spng.c:3071:23: warning: comparison of integer expressions of different signedness: 'uint32_t' {aka 'unsigned int'} and 'int' [-Wsign-compare]
[INFO] [stderr] warning:  3071 |     for(i=ri->pass; i <= ctx->last_pass; i++)
[INFO] [stderr] warning:       |                       ^~
[INFO] [stderr] warning: libspng/spng.c: In function 'buffer_read_fn':
[INFO] [stderr] warning: libspng/spng.c:3201:48: warning: unused parameter 'user' [-Wunused-parameter]
[INFO] [stderr] warning:  3201 | static int buffer_read_fn(spng_ctx *ctx, void *user, void *data, size_t n)
[INFO] [stderr] warning:       |                                          ~~~~~~^~~~
[INFO] [stderr] warning: libspng/spng.c:3201:60: warning: unused parameter 'data' [-Wunused-parameter]
[INFO] [stderr] warning:  3201 | static int buffer_read_fn(spng_ctx *ctx, void *user, void *data, size_t n)
[INFO] [stderr] warning:       |                                                      ~~~~~~^~~~
[INFO] [stderr] warning: libspng/spng.c: In function 'file_read_fn':
[INFO] [stderr] warning: libspng/spng.c:3213:35: warning: unused parameter 'ctx' [-Wunused-parameter]
[INFO] [stderr] warning:  3213 | static int file_read_fn(spng_ctx *ctx, void *user, void *data, size_t n)
[INFO] [stderr] warning:       |                         ~~~~~~~~~~^~~
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.65s
[INFO] running `Command { std: "docker" "inspect" "4a8d3c1cd427a5f24c600fb6419458a311bf29a6cac1b9ef383e416695e89425", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a8d3c1cd427a5f24c600fb6419458a311bf29a6cac1b9ef383e416695e89425", kill_on_drop: false }`
[INFO] [stdout] 4a8d3c1cd427a5f24c600fb6419458a311bf29a6cac1b9ef383e416695e89425