[INFO] fetching crate may 0.3.18...
[INFO] checking may-0.3.18 against beta for pr-78714
[INFO] extracting crate may 0.3.18 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate may 0.3.18 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate may 0.3.18
[INFO] finished tweaking crates.io crate may 0.3.18
[INFO] tweaked toml for crates.io crate may 0.3.18 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate may 0.3.18 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta" "metadata" "--no-deps" "--format-version=1", 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] d81c310d89b51d6618bc88a809987f1dfaaaf1d454081f6548002297131bc768
[INFO] running `Command { std: "docker" "start" "-a" "d81c310d89b51d6618bc88a809987f1dfaaaf1d454081f6548002297131bc768", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d81c310d89b51d6618bc88a809987f1dfaaaf1d454081f6548002297131bc768", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d81c310d89b51d6618bc88a809987f1dfaaaf1d454081f6548002297131bc768", kill_on_drop: false }`
[INFO] [stdout] d81c310d89b51d6618bc88a809987f1dfaaaf1d454081f6548002297131bc768
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta" "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] e8acee29588d58f53fd386d727ff20abad4951363c15116421d36d03f716e83e
[INFO] running `Command { std: "docker" "start" "-a" "e8acee29588d58f53fd386d727ff20abad4951363c15116421d36d03f716e83e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]     Checking tinyvec v0.3.3
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]    Compiling serde v1.0.112
[INFO] [stderr]     Checking bytes v0.5.5
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking strsim v0.9.3
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling may_queue v0.1.7
[INFO] [stderr]    Compiling may v0.3.18 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking input_buffer v0.3.1
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling generator v0.6.21
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling serde_derive v1.0.112
[INFO] [stderr]     Checking tungstenite v0.10.1
[INFO] [stdout] warning: attribute should be applied to a function
[INFO] [stdout]   --> src/cancel.rs:91:13
[INFO] [stdout]    |
[INFO] [stdout] 91 |               #[cold]
[INFO] [stdout]    |               ^^^^^^^
[INFO] [stdout] 92 | /             {
[INFO] [stdout] 93 | |                 // before panic clear the last coroutine error
[INFO] [stdout] 94 | |                 // this would affect future new coroutine that reuse the instance
[INFO] [stdout] 95 | |                 get_co_para();
[INFO] [stdout] 96 | |                 trigger_cancel_panic();
[INFO] [stdout] 97 | |             }
[INFO] [stdout]    | |_____________- not a function
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a function
[INFO] [stdout]    --> src/park.rs:263:13
[INFO] [stdout]     |
[INFO] [stdout] 263 |               #[cold]
[INFO] [stdout]     |               ^^^^^^^
[INFO] [stdout] 264 | /             unsafe {
[INFO] [stdout] 265 | |                 cancel.cancel()
[INFO] [stdout] 266 | |             };
[INFO] [stdout]     | |_____________- not a function
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a function
[INFO] [stdout]   --> src/sleep.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |               #[cold]
[INFO] [stdout]    |               ^^^^^^^
[INFO] [stdout] 27 | /             unsafe {
[INFO] [stdout] 28 | |                 cancel.cancel()
[INFO] [stdout] 29 | |             };
[INFO] [stdout]    | |_____________- not a function
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a function
[INFO] [stdout]    --> src/coroutine_impl.rs:477:9
[INFO] [stdout]     |
[INFO] [stdout] 477 |         #[cold]
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 478 |         return;
[INFO] [stdout]     |         ------ not a function
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a function
[INFO] [stdout]   --> src/yield_now.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |           #[cold]
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout] 27 | /         {
[INFO] [stdout] 28 | |             co_set_para(::std::io::Error::new(
[INFO] [stdout] 29 | |                 ::std::io::ErrorKind::Other,
[INFO] [stdout] 30 | |                 "Canceled",
[INFO] [stdout] 31 | |             ));
[INFO] [stdout] 32 | |             return resource.yield_back(cancel);
[INFO] [stdout] 33 | |         }
[INFO] [stdout]    | |_________- not a function
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a function
[INFO] [stdout]   --> src/yield_now.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |         #[cold]
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 60 |         return thread::yield_now();
[INFO] [stdout]    |         -------------------------- not a function
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a function
[INFO] [stdout]   --> src/io/mod.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |               #[cold]
[INFO] [stdout]    |               ^^^^^^^
[INFO] [stdout] 58 | /             {
[INFO] [stdout] 59 | |                 if !self.blocked_io.load(Ordering::Relaxed) {
[INFO] [stdout] 60 | |                     f(true)?;
[INFO] [stdout] 61 | |                     self.blocked_io.store(true, Ordering::Relaxed);
[INFO] [stdout] 62 | |                 }
[INFO] [stdout] 63 | |                 return Ok(true);
[INFO] [stdout] 64 | |             }
[INFO] [stdout]    | |_____________- not a function
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a function
[INFO] [stdout]   --> src/io/mod.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 78 |               #[cold]
[INFO] [stdout]    |               ^^^^^^^
[INFO] [stdout] 79 | /             {
[INFO] [stdout] 80 | |                 if self.blocked_io.load(Ordering::Relaxed) {
[INFO] [stdout] 81 | |                     f(false)?;
[INFO] [stdout] 82 | |                     self.blocked_io.store(false, Ordering::Relaxed);
[INFO] [stdout] 83 | |                 }
[INFO] [stdout] 84 | |                 return Ok(false);
[INFO] [stdout] 85 | |             }
[INFO] [stdout]    | |_____________- not a function
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a function
[INFO] [stdout]   --> src/io/mod.rs:90:13
[INFO] [stdout]    |
[INFO] [stdout] 90 |             #[cold]
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout] 91 |             f(true)?;
[INFO] [stdout]    |             -------- not a function
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a function
[INFO] [stdout]    --> src/io/sys/unix/epoll.rs:107:17
[INFO] [stdout]     |
[INFO] [stdout] 107 |                   #[cold]
[INFO] [stdout]     |                   ^^^^^^^
[INFO] [stdout] 108 | /                 {
[INFO] [stdout] 109 | |                     // this is just a wakeup event, ignore it
[INFO] [stdout] 110 | |                     let mut buf = [0u8; 8];
[INFO] [stdout] 111 | |                     // clear the eventfd, ignore the result
[INFO] [stdout] ...   |
[INFO] [stdout] 114 | |                     continue;
[INFO] [stdout] 115 | |                 }
[INFO] [stdout]     | |_________________- not a function
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a function
[INFO] [stdout]   --> src/io/sys/unix/net/socket_read.rs:84:13
[INFO] [stdout]    |
[INFO] [stdout] 84 |               #[cold]
[INFO] [stdout]    |               ^^^^^^^
[INFO] [stdout] 85 | /             unsafe {
[INFO] [stdout] 86 | |                 cancel.cancel()
[INFO] [stdout] 87 | |             };
[INFO] [stdout]    | |_____________- not a function
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a function
[INFO] [stdout]   --> src/io/sys/unix/net/tcp_listener_accpet.rs:75:13
[INFO] [stdout]    |
[INFO] [stdout] 75 |               #[cold]
[INFO] [stdout]    |               ^^^^^^^
[INFO] [stdout] 76 | /             unsafe {
[INFO] [stdout] 77 | |                 cancel.cancel()
[INFO] [stdout] 78 | |             };
[INFO] [stdout]    | |_____________- not a function
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a function
[INFO] [stdout]    --> src/io/sys/unix/net/tcp_stream_connect.rs:126:13
[INFO] [stdout]     |
[INFO] [stdout] 126 |               #[cold]
[INFO] [stdout]     |               ^^^^^^^
[INFO] [stdout] 127 | /             unsafe {
[INFO] [stdout] 128 | |                 cancel.cancel()
[INFO] [stdout] 129 | |             };
[INFO] [stdout]     | |_____________- not a function
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a function
[INFO] [stdout]   --> src/io/sys/unix/net/udp_recv_from.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 |               #[cold]
[INFO] [stdout]    |               ^^^^^^^
[INFO] [stdout] 84 | /             unsafe {
[INFO] [stdout] 85 | |                 cancel.cancel()
[INFO] [stdout] 86 | |             };
[INFO] [stdout]    | |_____________- not a function
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a function
[INFO] [stdout]   --> src/io/sys/unix/net/unix_listener_accpet.rs:76:13
[INFO] [stdout]    |
[INFO] [stdout] 76 |               #[cold]
[INFO] [stdout]    |               ^^^^^^^
[INFO] [stdout] 77 | /             unsafe {
[INFO] [stdout] 78 | |                 cancel.cancel()
[INFO] [stdout] 79 | |             };
[INFO] [stdout]    | |_____________- not a function
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a function
[INFO] [stdout]   --> src/io/sys/unix/net/unix_recv_from.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 |               #[cold]
[INFO] [stdout]    |               ^^^^^^^
[INFO] [stdout] 84 | /             unsafe {
[INFO] [stdout] 85 | |                 cancel.cancel()
[INFO] [stdout] 86 | |             };
[INFO] [stdout]    | |_____________- not a function
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a function
[INFO] [stdout]    --> src/io/sys/unix/net/unix_stream_connect.rs:108:13
[INFO] [stdout]     |
[INFO] [stdout] 108 |               #[cold]
[INFO] [stdout]     |               ^^^^^^^
[INFO] [stdout] 109 | /             unsafe {
[INFO] [stdout] 110 | |                 cancel.cancel()
[INFO] [stdout] 111 | |             };
[INFO] [stdout]     | |_____________- not a function
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a function
[INFO] [stdout]    --> src/net/tcp.rs:183:13
[INFO] [stdout]     |
[INFO] [stdout] 183 |             #[cold]
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout] 184 |             return self.sys.read(buf);
[INFO] [stdout]     |             ------------------------- not a function
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a function
[INFO] [stdout]    --> src/net/tcp.rs:220:13
[INFO] [stdout]     |
[INFO] [stdout] 220 |             #[cold]
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout] 221 |             return self.sys.write(buf);
[INFO] [stdout]     |             -------------------------- not a function
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a function
[INFO] [stdout]    --> src/net/tcp.rs:255:13
[INFO] [stdout]     |
[INFO] [stdout] 255 |             #[cold]
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout] 256 |             return self.sys.write_vectored(bufs);
[INFO] [stdout]     |             ------------------------------------ not a function
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a function
[INFO] [stdout]    --> src/net/tcp.rs:376:13
[INFO] [stdout]     |
[INFO] [stdout] 376 |               #[cold]
[INFO] [stdout]     |               ^^^^^^^
[INFO] [stdout] 377 | /             return self
[INFO] [stdout] 378 | |                 .sys
[INFO] [stdout] 379 | |                 .accept()
[INFO] [stdout] 380 | |                 .and_then(|(s, a)| TcpStream::new(s).map(|s| (s, a)));
[INFO] [stdout]     | |_____________________________________________________________________- not a function
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking docopt v1.1.0
[INFO] [stdout] warning: attribute should be applied to a function
[INFO] [stdout]   --> examples/echo.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |             #[cold]
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout] 58 |             break;
[INFO] [stdout]    |             ----- not a function
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a function
[INFO] [stdout]   --> src/cancel.rs:91:13
[INFO] [stdout]    |
[INFO] [stdout] 91 |               #[cold]
[INFO] [stdout]    |               ^^^^^^^
[INFO] [stdout] 92 | /             {
[INFO] [stdout] 93 | |                 // before panic clear the last coroutine error
[INFO] [stdout] 94 | |                 // this would affect future new coroutine that reuse the instance
[INFO] [stdout] 95 | |                 get_co_para();
[INFO] [stdout] 96 | |                 trigger_cancel_panic();
[INFO] [stdout] 97 | |             }
[INFO] [stdout]    | |_____________- not a function
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a function
[INFO] [stdout]    --> src/park.rs:263:13
[INFO] [stdout]     |
[INFO] [stdout] 263 |               #[cold]
[INFO] [stdout]     |               ^^^^^^^
[INFO] [stdout] 264 | /             unsafe {
[INFO] [stdout] 265 | |                 cancel.cancel()
[INFO] [stdout] 266 | |             };
[INFO] [stdout]     | |_____________- not a function
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a function
[INFO] [stdout]   --> src/sleep.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |               #[cold]
[INFO] [stdout]    |               ^^^^^^^
[INFO] [stdout] 27 | /             unsafe {
[INFO] [stdout] 28 | |                 cancel.cancel()
[INFO] [stdout] 29 | |             };
[INFO] [stdout]    | |_____________- not a function
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a function
[INFO] [stdout]    --> src/coroutine_impl.rs:477:9
[INFO] [stdout]     |
[INFO] [stdout] 477 |         #[cold]
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 478 |         return;
[INFO] [stdout]     |         ------ not a function
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a function
[INFO] [stdout]   --> src/yield_now.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |           #[cold]
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout] 27 | /         {
[INFO] [stdout] 28 | |             co_set_para(::std::io::Error::new(
[INFO] [stdout] 29 | |                 ::std::io::ErrorKind::Other,
[INFO] [stdout] 30 | |                 "Canceled",
[INFO] [stdout] 31 | |             ));
[INFO] [stdout] 32 | |             return resource.yield_back(cancel);
[INFO] [stdout] 33 | |         }
[INFO] [stdout]    | |_________- not a function
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a function
[INFO] [stdout]   --> src/yield_now.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |         #[cold]
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 60 |         return thread::yield_now();
[INFO] [stdout]    |         -------------------------- not a function
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a function
[INFO] [stdout]   --> src/io/mod.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |               #[cold]
[INFO] [stdout]    |               ^^^^^^^
[INFO] [stdout] 58 | /             {
[INFO] [stdout] 59 | |                 if !self.blocked_io.load(Ordering::Relaxed) {
[INFO] [stdout] 60 | |                     f(true)?;
[INFO] [stdout] 61 | |                     self.blocked_io.store(true, Ordering::Relaxed);
[INFO] [stdout] 62 | |                 }
[INFO] [stdout] 63 | |                 return Ok(true);
[INFO] [stdout] 64 | |             }
[INFO] [stdout]    | |_____________- not a function
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a function
[INFO] [stdout]   --> src/io/mod.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 78 |               #[cold]
[INFO] [stdout]    |               ^^^^^^^
[INFO] [stdout] 79 | /             {
[INFO] [stdout] 80 | |                 if self.blocked_io.load(Ordering::Relaxed) {
[INFO] [stdout] 81 | |                     f(false)?;
[INFO] [stdout] 82 | |                     self.blocked_io.store(false, Ordering::Relaxed);
[INFO] [stdout] 83 | |                 }
[INFO] [stdout] 84 | |                 return Ok(false);
[INFO] [stdout] 85 | |             }
[INFO] [stdout]    | |_____________- not a function
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a function
[INFO] [stdout]   --> src/io/mod.rs:90:13
[INFO] [stdout]    |
[INFO] [stdout] 90 |             #[cold]
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout] 91 |             f(true)?;
[INFO] [stdout]    |             -------- not a function
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a function
[INFO] [stdout]    --> src/io/sys/unix/epoll.rs:107:17
[INFO] [stdout]     |
[INFO] [stdout] 107 |                   #[cold]
[INFO] [stdout]     |                   ^^^^^^^
[INFO] [stdout] 108 | /                 {
[INFO] [stdout] 109 | |                     // this is just a wakeup event, ignore it
[INFO] [stdout] 110 | |                     let mut buf = [0u8; 8];
[INFO] [stdout] 111 | |                     // clear the eventfd, ignore the result
[INFO] [stdout] ...   |
[INFO] [stdout] 114 | |                     continue;
[INFO] [stdout] 115 | |                 }
[INFO] [stdout]     | |_________________- not a function
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a function
[INFO] [stdout]   --> src/io/sys/unix/net/socket_read.rs:84:13
[INFO] [stdout]    |
[INFO] [stdout] 84 |               #[cold]
[INFO] [stdout]    |               ^^^^^^^
[INFO] [stdout] 85 | /             unsafe {
[INFO] [stdout] 86 | |                 cancel.cancel()
[INFO] [stdout] 87 | |             };
[INFO] [stdout]    | |_____________- not a function
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a function
[INFO] [stdout]   --> src/io/sys/unix/net/tcp_listener_accpet.rs:75:13
[INFO] [stdout]    |
[INFO] [stdout] 75 |               #[cold]
[INFO] [stdout]    |               ^^^^^^^
[INFO] [stdout] 76 | /             unsafe {
[INFO] [stdout] 77 | |                 cancel.cancel()
[INFO] [stdout] 78 | |             };
[INFO] [stdout]    | |_____________- not a function
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a function
[INFO] [stdout]    --> src/io/sys/unix/net/tcp_stream_connect.rs:126:13
[INFO] [stdout]     |
[INFO] [stdout] 126 |               #[cold]
[INFO] [stdout]     |               ^^^^^^^
[INFO] [stdout] 127 | /             unsafe {
[INFO] [stdout] 128 | |                 cancel.cancel()
[INFO] [stdout] 129 | |             };
[INFO] [stdout]     | |_____________- not a function
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a function
[INFO] [stdout]   --> src/io/sys/unix/net/udp_recv_from.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 |               #[cold]
[INFO] [stdout]    |               ^^^^^^^
[INFO] [stdout] 84 | /             unsafe {
[INFO] [stdout] 85 | |                 cancel.cancel()
[INFO] [stdout] 86 | |             };
[INFO] [stdout]    | |_____________- not a function
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a function
[INFO] [stdout]   --> src/io/sys/unix/net/unix_listener_accpet.rs:76:13
[INFO] [stdout]    |
[INFO] [stdout] 76 |               #[cold]
[INFO] [stdout]    |               ^^^^^^^
[INFO] [stdout] 77 | /             unsafe {
[INFO] [stdout] 78 | |                 cancel.cancel()
[INFO] [stdout] 79 | |             };
[INFO] [stdout]    | |_____________- not a function
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a function
[INFO] [stdout]   --> src/io/sys/unix/net/unix_recv_from.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 |               #[cold]
[INFO] [stdout]    |               ^^^^^^^
[INFO] [stdout] 84 | /             unsafe {
[INFO] [stdout] 85 | |                 cancel.cancel()
[INFO] [stdout] 86 | |             };
[INFO] [stdout]    | |_____________- not a function
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a function
[INFO] [stdout]    --> src/io/sys/unix/net/unix_stream_connect.rs:108:13
[INFO] [stdout]     |
[INFO] [stdout] 108 |               #[cold]
[INFO] [stdout]     |               ^^^^^^^
[INFO] [stdout] 109 | /             unsafe {
[INFO] [stdout] 110 | |                 cancel.cancel()
[INFO] [stdout] 111 | |             };
[INFO] [stdout]     | |_____________- not a function
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a function
[INFO] [stdout]    --> src/net/tcp.rs:183:13
[INFO] [stdout]     |
[INFO] [stdout] 183 |             #[cold]
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout] 184 |             return self.sys.read(buf);
[INFO] [stdout]     |             ------------------------- not a function
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a function
[INFO] [stdout]    --> src/net/tcp.rs:220:13
[INFO] [stdout]     |
[INFO] [stdout] 220 |             #[cold]
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout] 221 |             return self.sys.write(buf);
[INFO] [stdout]     |             -------------------------- not a function
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a function
[INFO] [stdout]    --> src/net/tcp.rs:255:13
[INFO] [stdout]     |
[INFO] [stdout] 255 |             #[cold]
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout] 256 |             return self.sys.write_vectored(bufs);
[INFO] [stdout]     |             ------------------------------------ not a function
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a function
[INFO] [stdout]    --> src/net/tcp.rs:376:13
[INFO] [stdout]     |
[INFO] [stdout] 376 |               #[cold]
[INFO] [stdout]     |               ^^^^^^^
[INFO] [stdout] 377 | /             return self
[INFO] [stdout] 378 | |                 .sys
[INFO] [stdout] 379 | |                 .accept()
[INFO] [stdout] 380 | |                 .and_then(|(s, a)| TcpStream::new(s).map(|s| (s, a)));
[INFO] [stdout]     | |_____________________________________________________________________- not a function
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.95s
[INFO] running `Command { std: "docker" "inspect" "e8acee29588d58f53fd386d727ff20abad4951363c15116421d36d03f716e83e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8acee29588d58f53fd386d727ff20abad4951363c15116421d36d03f716e83e", kill_on_drop: false }`
[INFO] [stdout] e8acee29588d58f53fd386d727ff20abad4951363c15116421d36d03f716e83e