[INFO] fetching crate knetrs 0.1.1...
[INFO] building knetrs-0.1.1 against try#b8e88e5ddf5521a9f43ee3f62a702388c713e4bb for pr-155114
[INFO] extracting crate knetrs 0.1.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate knetrs 0.1.1
[INFO] finished tweaking crates.io crate knetrs 0.1.1
[INFO] tweaked toml for crates.io crate knetrs 0.1.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate knetrs 0.1.1 on toolchain b8e88e5ddf5521a9f43ee3f62a702388c713e4bb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "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" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 17 packages to latest compatible versions
[INFO] [stderr]       Adding heapless v0.7.17 (available: v0.9.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db309ea09fe29bb0ed95cc354304c42f418b35a63b2fa85b5cef092dc5b3da5a
[INFO] running `Command { std: "docker" "start" "-a" "db309ea09fe29bb0ed95cc354304c42f418b35a63b2fa85b5cef092dc5b3da5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db309ea09fe29bb0ed95cc354304c42f418b35a63b2fa85b5cef092dc5b3da5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db309ea09fe29bb0ed95cc354304c42f418b35a63b2fa85b5cef092dc5b3da5a", kill_on_drop: false }`
[INFO] [stdout] db309ea09fe29bb0ed95cc354304c42f418b35a63b2fa85b5cef092dc5b3da5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65f82f5832cb26dcf7d328f5e4f99c3bc7c76bcf65418aa2c6ed7ba22380c470
[INFO] running `Command { std: "docker" "start" "-a" "65f82f5832cb26dcf7d328f5e4f99c3bc7c76bcf65418aa2c6ed7ba22380c470", kill_on_drop: false }`
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling knetrs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling ffi-opaque v2.0.1
[INFO] [stderr] warning: knetrs@0.1.1: In file included from knet/ringbuffer.h:28,
[INFO] [stderr] warning: knetrs@0.1.1:                  from knet/ringbuffer.c:26:
[INFO] [stderr] warning: knetrs@0.1.1: knet/ringbuffer.c: In function 'ringbuffer_copy_random':
[INFO] [stderr] warning: knetrs@0.1.1: knet/ringbuffer.c:210:16: warning: comparison of unsigned expression in '>= 0' is always true [-Wtype-limits]
[INFO] [stderr] warning: knetrs@0.1.1:   210 |     verify(pos >= 0);
[INFO] [stderr] warning: knetrs@0.1.1:       |                ^~
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:318:15: note: in definition of macro 'verify'
[INFO] [stderr] warning: knetrs@0.1.1:   318 |         if (!(expr)) { \
[INFO] [stderr] warning: knetrs@0.1.1:       |               ^~~~
[INFO] [stderr] warning: knetrs@0.1.1: In file included from knet/misc.h:29,
[INFO] [stderr] warning: knetrs@0.1.1:                  from knet/misc.c:36:
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:179:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   179 | extern atomic_counter_t atomic_counter_inc(atomic_counter_t* counter);
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:186:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   186 | extern atomic_counter_t atomic_counter_dec(atomic_counter_t* counter);
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:195:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   195 | extern atomic_counter_t atomic_counter_cas(atomic_counter_t* counter,
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:204:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   204 | extern atomic_counter_t atomic_counter_set(atomic_counter_t* counter,
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/misc.c: In function 'socket_check_send_ready':
[INFO] [stderr] warning: knetrs@0.1.1: knet/misc.c:416:38: warning: unused parameter 'socket_fd' [-Wunused-parameter]
[INFO] [stderr] warning: knetrs@0.1.1:   416 | int socket_check_send_ready(socket_t socket_fd) {
[INFO] [stderr] warning: knetrs@0.1.1: knet/misc.c: At top level:
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/misc.c:683:1: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   683 | atomic_counter_t atomic_counter_inc(atomic_counter_t* counter) {
[INFO] [stderr] warning: knetrs@0.1.1:       | ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/misc.c:691:1: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   691 | atomic_counter_t atomic_counter_dec(atomic_counter_t* counter) {
[INFO] [stderr] warning: knetrs@0.1.1:       | ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/misc.c:699:1: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   699 | atomic_counter_t atomic_counter_cas(atomic_counter_t* counter,
[INFO] [stderr] warning: knetrs@0.1.1:       | ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/misc.c:708:1: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   708 | atomic_counter_t atomic_counter_set(atomic_counter_t* counter,
[INFO] [stderr] warning: knetrs@0.1.1:       | ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/misc.c: In function 'thread_runner_exit':
[INFO] [stderr] warning: knetrs@0.1.1: knet/misc.c:1099:43: warning: unused parameter 'runner' [-Wunused-parameter]
[INFO] [stderr] warning: knetrs@0.1.1:  1099 | void thread_runner_exit(kthread_runner_t* runner) {
[INFO] [stderr] warning: knetrs@0.1.1:       |                         ~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: In file included from knet/list.h:28,
[INFO] [stderr] warning: knetrs@0.1.1:                  from knet/list.c:26:
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:179:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   179 | extern atomic_counter_t atomic_counter_inc(atomic_counter_t* counter);
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:186:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   186 | extern atomic_counter_t atomic_counter_dec(atomic_counter_t* counter);
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:195:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   195 | extern atomic_counter_t atomic_counter_cas(atomic_counter_t* counter,
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:204:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   204 | extern atomic_counter_t atomic_counter_set(atomic_counter_t* counter,
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: In file included from knet/channel.h:28,
[INFO] [stderr] warning: knetrs@0.1.1:                  from knet/channel.c:25:
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:179:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   179 | extern atomic_counter_t atomic_counter_inc(atomic_counter_t* counter);
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:186:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   186 | extern atomic_counter_t atomic_counter_dec(atomic_counter_t* counter);
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:195:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   195 | extern atomic_counter_t atomic_counter_cas(atomic_counter_t* counter,
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:204:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   204 | extern atomic_counter_t atomic_counter_set(atomic_counter_t* counter,
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: In file included from knet/misc.h:29,
[INFO] [stderr] warning: knetrs@0.1.1:                  from knet/logger.c:27:
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:179:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   179 | extern atomic_counter_t atomic_counter_inc(atomic_counter_t* counter);
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:186:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   186 | extern atomic_counter_t atomic_counter_dec(atomic_counter_t* counter);
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:195:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   195 | extern atomic_counter_t atomic_counter_cas(atomic_counter_t* counter,
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:204:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   204 | extern atomic_counter_t atomic_counter_set(atomic_counter_t* counter,
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/logger.c: In function 'logger_write':
[INFO] [stderr] warning: knetrs@0.1.1: knet/logger.c:131:23: warning: comparison of integer expressions of different signedness: 'knet_logger_level_e' {aka 'enum _logger_level_e'} and 'int' [-Wsign-compare]
[INFO] [stderr] warning: knetrs@0.1.1:   131 |     if (logger->level > level) {
[INFO] [stderr] warning: knetrs@0.1.1:       |                       ^
[INFO] [stderr] warning: knetrs@0.1.1: In file included from knet/channel_ref.h:28,
[INFO] [stderr] warning: knetrs@0.1.1:                  from knet/channel_ref.c:25:
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:179:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   179 | extern atomic_counter_t atomic_counter_inc(atomic_counter_t* counter);
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:186:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   186 | extern atomic_counter_t atomic_counter_dec(atomic_counter_t* counter);
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:195:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   195 | extern atomic_counter_t atomic_counter_cas(atomic_counter_t* counter,
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:204:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   204 | extern atomic_counter_t atomic_counter_set(atomic_counter_t* counter,
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: In file included from knet/timer.h:28,
[INFO] [stderr] warning: knetrs@0.1.1:                  from knet/timer.c:25:
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:179:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   179 | extern atomic_counter_t atomic_counter_inc(atomic_counter_t* counter);
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:186:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   186 | extern atomic_counter_t atomic_counter_dec(atomic_counter_t* counter);
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:195:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   195 | extern atomic_counter_t atomic_counter_cas(atomic_counter_t* counter,
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:204:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   204 | extern atomic_counter_t atomic_counter_set(atomic_counter_t* counter,
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: In file included from knet/stream.h:28,
[INFO] [stderr] warning: knetrs@0.1.1:                  from knet/stream.c:25:
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:179:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   179 | extern atomic_counter_t atomic_counter_inc(atomic_counter_t* counter);
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:186:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   186 | extern atomic_counter_t atomic_counter_dec(atomic_counter_t* counter);
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:195:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   195 | extern atomic_counter_t atomic_counter_cas(atomic_counter_t* counter,
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:204:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   204 | extern atomic_counter_t atomic_counter_set(atomic_counter_t* counter,
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/rb_tree.c:52:1: warning: missing initializer for field 'cb' of 'krbnode_t' {aka 'struct _rb_node_t'} [-Wmissing-field-initializers]
[INFO] [stderr] warning: knetrs@0.1.1:    52 | static krbnode_t nil_node = { 0, 0, 0, 0, 0, rb_color_black };
[INFO] [stderr] warning: knetrs@0.1.1:       | ^~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/rb_tree.c:40:31: note: 'cb' declared here
[INFO] [stderr] warning: knetrs@0.1.1:       |                               ^~
[INFO] [stderr] warning: knetrs@0.1.1: In file included from knet/loop_balancer.h:28,
[INFO] [stderr] warning: knetrs@0.1.1:                  from knet/loop_balancer.c:25:
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:179:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   179 | extern atomic_counter_t atomic_counter_inc(atomic_counter_t* counter);
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:186:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   186 | extern atomic_counter_t atomic_counter_dec(atomic_counter_t* counter);
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:195:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   195 | extern atomic_counter_t atomic_counter_cas(atomic_counter_t* counter,
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:204:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   204 | extern atomic_counter_t atomic_counter_set(atomic_counter_t* counter,
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: In file included from knet/loop_impl.c:32:
[INFO] [stderr] warning: knetrs@0.1.1: knet/loop_epoll.c: In function 'knet_impl_add_channel_ref':
[INFO] [stderr] warning: knetrs@0.1.1: knet/loop_epoll.c:157:40: warning: unused parameter 'loop' [-Wunused-parameter]
[INFO] [stderr] warning: knetrs@0.1.1:   157 | int knet_impl_add_channel_ref(kloop_t* loop, kchannel_ref_t* channel_ref) {
[INFO] [stderr] warning: knetrs@0.1.1:       |                               ~~~~~~~~~^~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/loop_epoll.c:157:62: warning: unused parameter 'channel_ref' [-Wunused-parameter]
[INFO] [stderr] warning: knetrs@0.1.1:   157 | int knet_impl_add_channel_ref(kloop_t* loop, kchannel_ref_t* channel_ref) {
[INFO] [stderr] warning: knetrs@0.1.1:       |                                              ~~~~~~~~~~~~~~~~^~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/loop_epoll.c: In function 'knet_impl_remove_channel_ref':
[INFO] [stderr] warning: knetrs@0.1.1: knet/loop_epoll.c:161:43: warning: unused parameter 'loop' [-Wunused-parameter]
[INFO] [stderr] warning: knetrs@0.1.1:   161 | int knet_impl_remove_channel_ref(kloop_t* loop, kchannel_ref_t* channel_ref) {
[INFO] [stderr] warning: knetrs@0.1.1:       |                                  ~~~~~~~~~^~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/loop_epoll.c: In function 'knet_impl_channel_accept':
[INFO] [stderr] warning: knetrs@0.1.1: knet/loop_epoll.c:167:51: warning: unused parameter 'channel_ref' [-Wunused-parameter]
[INFO] [stderr] warning: knetrs@0.1.1:   167 | socket_t knet_impl_channel_accept(kchannel_ref_t* channel_ref) {
[INFO] [stderr] warning: knetrs@0.1.1:       |                                   ~~~~~~~~~~~~~~~~^~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: In file included from knet/loop.c:25:
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:179:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   179 | extern atomic_counter_t atomic_counter_inc(atomic_counter_t* counter);
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:186:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   186 | extern atomic_counter_t atomic_counter_dec(atomic_counter_t* counter);
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:195:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   195 | extern atomic_counter_t atomic_counter_cas(atomic_counter_t* counter,
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:204:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   204 | extern atomic_counter_t atomic_counter_set(atomic_counter_t* counter,
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.23s
[INFO] running `Command { std: "docker" "inspect" "65f82f5832cb26dcf7d328f5e4f99c3bc7c76bcf65418aa2c6ed7ba22380c470", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65f82f5832cb26dcf7d328f5e4f99c3bc7c76bcf65418aa2c6ed7ba22380c470", kill_on_drop: false }`
[INFO] [stdout] 65f82f5832cb26dcf7d328f5e4f99c3bc7c76bcf65418aa2c6ed7ba22380c470
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a4ef3cb1885dbf6606ebabb2553df547527c4b9418741582f2a99187a2a1bcf
[INFO] running `Command { std: "docker" "start" "-a" "2a4ef3cb1885dbf6606ebabb2553df547527c4b9418741582f2a99187a2a1bcf", kill_on_drop: false }`
[INFO] [stderr] warning: knetrs@0.1.1: In file included from knet/ringbuffer.h:28,
[INFO] [stderr] warning: knetrs@0.1.1:                  from knet/ringbuffer.c:26:
[INFO] [stderr] warning: knetrs@0.1.1: knet/ringbuffer.c: In function 'ringbuffer_copy_random':
[INFO] [stderr] warning: knetrs@0.1.1: knet/ringbuffer.c:210:16: warning: comparison of unsigned expression in '>= 0' is always true [-Wtype-limits]
[INFO] [stderr] warning: knetrs@0.1.1:   210 |     verify(pos >= 0);
[INFO] [stderr] warning: knetrs@0.1.1:       |                ^~
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:318:15: note: in definition of macro 'verify'
[INFO] [stderr] warning: knetrs@0.1.1:   318 |         if (!(expr)) { \
[INFO] [stderr] warning: knetrs@0.1.1:       |               ^~~~
[INFO] [stderr] warning: knetrs@0.1.1: In file included from knet/misc.h:29,
[INFO] [stderr] warning: knetrs@0.1.1:                  from knet/misc.c:36:
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:179:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   179 | extern atomic_counter_t atomic_counter_inc(atomic_counter_t* counter);
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:186:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   186 | extern atomic_counter_t atomic_counter_dec(atomic_counter_t* counter);
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:195:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   195 | extern atomic_counter_t atomic_counter_cas(atomic_counter_t* counter,
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:204:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   204 | extern atomic_counter_t atomic_counter_set(atomic_counter_t* counter,
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/misc.c: In function 'socket_check_send_ready':
[INFO] [stderr] warning: knetrs@0.1.1: knet/misc.c:416:38: warning: unused parameter 'socket_fd' [-Wunused-parameter]
[INFO] [stderr] warning: knetrs@0.1.1:   416 | int socket_check_send_ready(socket_t socket_fd) {
[INFO] [stderr] warning: knetrs@0.1.1: knet/misc.c: At top level:
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/misc.c:683:1: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   683 | atomic_counter_t atomic_counter_inc(atomic_counter_t* counter) {
[INFO] [stderr] warning: knetrs@0.1.1:       | ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/misc.c:691:1: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   691 | atomic_counter_t atomic_counter_dec(atomic_counter_t* counter) {
[INFO] [stderr] warning: knetrs@0.1.1:       | ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/misc.c:699:1: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   699 | atomic_counter_t atomic_counter_cas(atomic_counter_t* counter,
[INFO] [stderr] warning: knetrs@0.1.1:       | ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/misc.c:708:1: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   708 | atomic_counter_t atomic_counter_set(atomic_counter_t* counter,
[INFO] [stderr] warning: knetrs@0.1.1:       | ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/misc.c: In function 'thread_runner_exit':
[INFO] [stderr] warning: knetrs@0.1.1: knet/misc.c:1099:43: warning: unused parameter 'runner' [-Wunused-parameter]
[INFO] [stderr] warning: knetrs@0.1.1:  1099 | void thread_runner_exit(kthread_runner_t* runner) {
[INFO] [stderr] warning: knetrs@0.1.1:       |                         ~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: In file included from knet/list.h:28,
[INFO] [stderr] warning: knetrs@0.1.1:                  from knet/list.c:26:
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:179:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   179 | extern atomic_counter_t atomic_counter_inc(atomic_counter_t* counter);
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:186:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   186 | extern atomic_counter_t atomic_counter_dec(atomic_counter_t* counter);
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:195:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   195 | extern atomic_counter_t atomic_counter_cas(atomic_counter_t* counter,
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:204:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   204 | extern atomic_counter_t atomic_counter_set(atomic_counter_t* counter,
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: In file included from knet/channel.h:28,
[INFO] [stderr] warning: knetrs@0.1.1:                  from knet/channel.c:25:
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:179:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   179 | extern atomic_counter_t atomic_counter_inc(atomic_counter_t* counter);
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:186:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   186 | extern atomic_counter_t atomic_counter_dec(atomic_counter_t* counter);
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:195:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   195 | extern atomic_counter_t atomic_counter_cas(atomic_counter_t* counter,
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:204:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   204 | extern atomic_counter_t atomic_counter_set(atomic_counter_t* counter,
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: In file included from knet/misc.h:29,
[INFO] [stderr] warning: knetrs@0.1.1:                  from knet/logger.c:27:
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:179:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   179 | extern atomic_counter_t atomic_counter_inc(atomic_counter_t* counter);
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:186:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   186 | extern atomic_counter_t atomic_counter_dec(atomic_counter_t* counter);
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:195:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   195 | extern atomic_counter_t atomic_counter_cas(atomic_counter_t* counter,
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:204:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   204 | extern atomic_counter_t atomic_counter_set(atomic_counter_t* counter,
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/logger.c: In function 'logger_write':
[INFO] [stderr] warning: knetrs@0.1.1: knet/logger.c:131:23: warning: comparison of integer expressions of different signedness: 'knet_logger_level_e' {aka 'enum _logger_level_e'} and 'int' [-Wsign-compare]
[INFO] [stderr] warning: knetrs@0.1.1:   131 |     if (logger->level > level) {
[INFO] [stderr] warning: knetrs@0.1.1:       |                       ^
[INFO] [stderr] warning: knetrs@0.1.1: In file included from knet/channel_ref.h:28,
[INFO] [stderr] warning: knetrs@0.1.1:                  from knet/channel_ref.c:25:
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:179:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   179 | extern atomic_counter_t atomic_counter_inc(atomic_counter_t* counter);
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:186:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   186 | extern atomic_counter_t atomic_counter_dec(atomic_counter_t* counter);
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:195:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   195 | extern atomic_counter_t atomic_counter_cas(atomic_counter_t* counter,
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:204:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   204 | extern atomic_counter_t atomic_counter_set(atomic_counter_t* counter,
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: In file included from knet/timer.h:28,
[INFO] [stderr] warning: knetrs@0.1.1:                  from knet/timer.c:25:
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:179:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   179 | extern atomic_counter_t atomic_counter_inc(atomic_counter_t* counter);
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:186:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   186 | extern atomic_counter_t atomic_counter_dec(atomic_counter_t* counter);
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:195:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   195 | extern atomic_counter_t atomic_counter_cas(atomic_counter_t* counter,
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:204:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   204 | extern atomic_counter_t atomic_counter_set(atomic_counter_t* counter,
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: In file included from knet/stream.h:28,
[INFO] [stderr] warning: knetrs@0.1.1:                  from knet/stream.c:25:
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:179:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   179 | extern atomic_counter_t atomic_counter_inc(atomic_counter_t* counter);
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:186:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   186 | extern atomic_counter_t atomic_counter_dec(atomic_counter_t* counter);
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:195:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   195 | extern atomic_counter_t atomic_counter_cas(atomic_counter_t* counter,
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:204:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   204 | extern atomic_counter_t atomic_counter_set(atomic_counter_t* counter,
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/rb_tree.c:52:1: warning: missing initializer for field 'cb' of 'krbnode_t' {aka 'struct _rb_node_t'} [-Wmissing-field-initializers]
[INFO] [stderr] warning: knetrs@0.1.1:    52 | static krbnode_t nil_node = { 0, 0, 0, 0, 0, rb_color_black };
[INFO] [stderr] warning: knetrs@0.1.1:       | ^~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/rb_tree.c:40:31: note: 'cb' declared here
[INFO] [stderr] warning: knetrs@0.1.1:       |                               ^~
[INFO] [stderr] warning: knetrs@0.1.1: In file included from knet/loop_balancer.h:28,
[INFO] [stderr] warning: knetrs@0.1.1:                  from knet/loop_balancer.c:25:
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:179:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   179 | extern atomic_counter_t atomic_counter_inc(atomic_counter_t* counter);
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:186:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   186 | extern atomic_counter_t atomic_counter_dec(atomic_counter_t* counter);
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:195:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   195 | extern atomic_counter_t atomic_counter_cas(atomic_counter_t* counter,
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:204:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   204 | extern atomic_counter_t atomic_counter_set(atomic_counter_t* counter,
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: In file included from knet/loop_impl.c:32:
[INFO] [stderr] warning: knetrs@0.1.1: knet/loop_epoll.c: In function 'knet_impl_add_channel_ref':
[INFO] [stderr] warning: knetrs@0.1.1: knet/loop_epoll.c:157:40: warning: unused parameter 'loop' [-Wunused-parameter]
[INFO] [stderr] warning: knetrs@0.1.1:   157 | int knet_impl_add_channel_ref(kloop_t* loop, kchannel_ref_t* channel_ref) {
[INFO] [stderr] warning: knetrs@0.1.1:       |                               ~~~~~~~~~^~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/loop_epoll.c:157:62: warning: unused parameter 'channel_ref' [-Wunused-parameter]
[INFO] [stderr] warning: knetrs@0.1.1:   157 | int knet_impl_add_channel_ref(kloop_t* loop, kchannel_ref_t* channel_ref) {
[INFO] [stderr] warning: knetrs@0.1.1:       |                                              ~~~~~~~~~~~~~~~~^~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/loop_epoll.c: In function 'knet_impl_remove_channel_ref':
[INFO] [stderr] warning: knetrs@0.1.1: knet/loop_epoll.c:161:43: warning: unused parameter 'loop' [-Wunused-parameter]
[INFO] [stderr] warning: knetrs@0.1.1:   161 | int knet_impl_remove_channel_ref(kloop_t* loop, kchannel_ref_t* channel_ref) {
[INFO] [stderr] warning: knetrs@0.1.1:       |                                  ~~~~~~~~~^~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/loop_epoll.c: In function 'knet_impl_channel_accept':
[INFO] [stderr] warning: knetrs@0.1.1: knet/loop_epoll.c:167:51: warning: unused parameter 'channel_ref' [-Wunused-parameter]
[INFO] [stderr] warning: knetrs@0.1.1:   167 | socket_t knet_impl_channel_accept(kchannel_ref_t* channel_ref) {
[INFO] [stderr] warning: knetrs@0.1.1:       |                                   ~~~~~~~~~~~~~~~~^~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: In file included from knet/loop.c:25:
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:179:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   179 | extern atomic_counter_t atomic_counter_inc(atomic_counter_t* counter);
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:186:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   186 | extern atomic_counter_t atomic_counter_dec(atomic_counter_t* counter);
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:195:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   195 | extern atomic_counter_t atomic_counter_cas(atomic_counter_t* counter,
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/config.h:96:30: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
[INFO] [stderr] warning: knetrs@0.1.1:    96 |     #define atomic_counter_t volatile int
[INFO] [stderr] warning: knetrs@0.1.1:       |                              ^~~~~~~~
[INFO] [stderr] warning: knetrs@0.1.1: knet/thread_api.h:204:8: note: in expansion of macro 'atomic_counter_t'
[INFO] [stderr] warning: knetrs@0.1.1:   204 | extern atomic_counter_t atomic_counter_set(atomic_counter_t* counter,
[INFO] [stderr] warning: knetrs@0.1.1:       |        ^~~~~~~~~~~~~~~~
[INFO] [stderr]    Compiling knetrs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "2a4ef3cb1885dbf6606ebabb2553df547527c4b9418741582f2a99187a2a1bcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a4ef3cb1885dbf6606ebabb2553df547527c4b9418741582f2a99187a2a1bcf", kill_on_drop: false }`
[INFO] [stdout] 2a4ef3cb1885dbf6606ebabb2553df547527c4b9418741582f2a99187a2a1bcf
