[INFO] cloning repository https://github.com/mikedilger/chat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mikedilger/chat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikedilger%2Fchat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikedilger%2Fchat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 55b073b73aa7fad9ecd34c958b0a5339ca0bbfed
[INFO] checking mikedilger/chat against try#72f88fc4e9458f89516a0b8b0868f3718aec5b47 for pr-74989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikedilger%2Fchat" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mikedilger/chat on toolchain 72f88fc4e9458f89516a0b8b0868f3718aec5b47
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mikedilger/chat
[INFO] finished tweaking git repo https://github.com/mikedilger/chat
[INFO] tweaked toml for git repo https://github.com/mikedilger/chat written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/mikedilger/chat already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-4/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/carllerche/mio`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 72ded58ca76292c219d2efcec8f33445cc93f837523376d76f88d58500a77b91
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "72ded58ca76292c219d2efcec8f33445cc93f837523376d76f88d58500a77b91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72ded58ca76292c219d2efcec8f33445cc93f837523376d76f88d58500a77b91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72ded58ca76292c219d2efcec8f33445cc93f837523376d76f88d58500a77b91", kill_on_drop: false }`
[INFO] [stdout] 72ded58ca76292c219d2efcec8f33445cc93f837523376d76f88d58500a77b91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad2752876270f07019b835ba74b1250e66d570a6f78781e1576487ee3e8b5a7f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ad2752876270f07019b835ba74b1250e66d570a6f78781e1576487ee3e8b5a7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling const_fn v0.4.2
[INFO] [stderr]     Checking threadpool v0.1.4
[INFO] [stderr]    Compiling time v0.2.19
[INFO] [stderr]    Compiling http-muncher v0.3.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking mio v0.7.0 (https://github.com/carllerche/mio#eef8d3b9)
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]     Checking time-macros v0.1.0
[INFO] [stderr]     Checking chat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved imports `mio::Handler`, `mio::EventLoop`, `mio::EventSet`
[INFO] [stdout]  --> src/handler.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use mio::{Handler,EventLoop,Token,EventSet};
[INFO] [stdout]   |           ^^^^^^^ ^^^^^^^^^       ^^^^^^^^ no `EventSet` in the root
[INFO] [stdout]   |           |       |
[INFO] [stdout]   |           |       no `EventLoop` in the root
[INFO] [stdout]   |           no `Handler` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `mio::tcp`
[INFO] [stdout]  --> src/server.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | use mio::tcp::TcpListener;
[INFO] [stdout]   |          ^^^ could not find `tcp` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `mio::EventLoop`, `mio::EventSet`, `mio::PollOpt`
[INFO] [stdout]  --> src/server.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | use mio::{EventLoop,EventSet,PollOpt,Token};
[INFO] [stdout]   |           ^^^^^^^^^ ^^^^^^^^ ^^^^^^^ no `PollOpt` in the root
[INFO] [stdout]   |           |         |
[INFO] [stdout]   |           |         no `EventSet` in the root
[INFO] [stdout]   |           no `EventLoop` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `mio::tcp`
[INFO] [stdout]  --> src/client.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | use mio::tcp::TcpStream;
[INFO] [stdout]   |          ^^^ could not find `tcp` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `mio::EventLoop`, `mio::EventSet`, `mio::PollOpt`, `mio::Sender`
[INFO] [stdout]  --> src/client.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use mio::{Token,EventLoop,EventSet,PollOpt,Sender};
[INFO] [stdout]   |                 ^^^^^^^^^ ^^^^^^^^ ^^^^^^^ ^^^^^^ no `Sender` in the root
[INFO] [stdout]   |                 |         |        |
[INFO] [stdout]   |                 |         |        no `PollOpt` in the root
[INFO] [stdout]   |                 |         no `EventSet` in the root
[INFO] [stdout]   |                 no `EventLoop` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `mio::EventLoop`
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use mio::EventLoop;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^ no `EventLoop` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `mio::Handler`, `mio::EventLoop`, `mio::EventSet`
[INFO] [stdout]  --> src/handler.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use mio::{Handler,EventLoop,Token,EventSet};
[INFO] [stdout]   |           ^^^^^^^ ^^^^^^^^^       ^^^^^^^^ no `EventSet` in the root
[INFO] [stdout]   |           |       |
[INFO] [stdout]   |           |       no `EventLoop` in the root
[INFO] [stdout]   |           no `Handler` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `mio::tcp`
[INFO] [stdout]  --> src/server.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | use mio::tcp::TcpListener;
[INFO] [stdout]   |          ^^^ could not find `tcp` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `mio::EventLoop`, `mio::EventSet`, `mio::PollOpt`
[INFO] [stdout]  --> src/server.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | use mio::{EventLoop,EventSet,PollOpt,Token};
[INFO] [stdout]   |           ^^^^^^^^^ ^^^^^^^^ ^^^^^^^ no `PollOpt` in the root
[INFO] [stdout]   |           |         |
[INFO] [stdout]   |           |         no `EventSet` in the root
[INFO] [stdout]   |           no `EventLoop` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `mio::tcp`
[INFO] [stdout]  --> src/client.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | use mio::tcp::TcpStream;
[INFO] [stdout]   |          ^^^ could not find `tcp` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `mio::EventLoop`, `mio::EventSet`, `mio::PollOpt`, `mio::Sender`
[INFO] [stdout]  --> src/client.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use mio::{Token,EventLoop,EventSet,PollOpt,Sender};
[INFO] [stdout]   |                 ^^^^^^^^^ ^^^^^^^^ ^^^^^^^ ^^^^^^ no `Sender` in the root
[INFO] [stdout]   |                 |         |        |
[INFO] [stdout]   |                 |         |        no `PollOpt` in the root
[INFO] [stdout]   |                 |         no `EventSet` in the root
[INFO] [stdout]   |                 no `EventLoop` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `mio::EventLoop`
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use mio::EventLoop;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^ no `EventLoop` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Tm` in crate `time`
[INFO] [stdout]   --> src/client.rs:49:29
[INFO] [stdout]    |
[INFO] [stdout] 49 |     ping_sent: Option<time::Tm>,
[INFO] [stdout]    |                             ^^ not found in `time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `now_utc` in crate `time`
[INFO] [stdout]    --> src/client.rs:295:33
[INFO] [stdout]     |
[INFO] [stdout] 295 |                 let rtt = time::now_utc() - ping_sent;
[INFO] [stdout]     |                                 ^^^^^^^ not found in `time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `now_utc` in crate `time`
[INFO] [stdout]    --> src/client.rs:335:37
[INFO] [stdout]     |
[INFO] [stdout] 335 |         self.ping_sent = Some(time::now_utc());
[INFO] [stdout]     |                                     ^^^^^^^ not found in `time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/websocket_frame.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 107 |         try!(body_cursor.write_u16::<BigEndian>(status_code)
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/websocket_frame.rs:110:9
[INFO] [stdout]     |
[INFO] [stdout] 110 |         try!(body_cursor.write(reason)
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/websocket_frame.rs:155:9
[INFO] [stdout]     |
[INFO] [stdout] 155 |         try!(output.write_u16::<BigEndian>(hdr));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/websocket_frame.rs:158:32
[INFO] [stdout]     |
[INFO] [stdout] 158 |             PAYLOAD_LEN_U16 => try!(output.write_u16::<BigEndian>(self.payload.len() as u16)),
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/websocket_frame.rs:159:32
[INFO] [stdout]     |
[INFO] [stdout] 159 |             PAYLOAD_LEN_U64 => try!(output.write_u64::<BigEndian>(self.payload.len() as u64)),
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/websocket_frame.rs:163:9
[INFO] [stdout]     |
[INFO] [stdout] 163 |         try!(output.write(&self.payload));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/websocket_frame.rs:168:19
[INFO] [stdout]     |
[INFO] [stdout] 168 |         let buf = try!(input.read_u16::<BigEndian>());
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/websocket_frame.rs:169:22
[INFO] [stdout]     |
[INFO] [stdout] 169 |         let header = try!(Self::parse_header(buf).map_err(|s| io::Error::new(ErrorKind::Other, s)));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/websocket_frame.rs:171:19
[INFO] [stdout]     |
[INFO] [stdout] 171 |         let len = try!(Self::read_length(header.payload_length, input));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/websocket_frame.rs:173:24
[INFO] [stdout]     |
[INFO] [stdout] 173 |             let mask = try!(Self::read_mask(input));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/websocket_frame.rs:178:27
[INFO] [stdout]     |
[INFO] [stdout] 178 |         let mut payload = try!(Self::read_payload(len, input));
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/websocket_frame.rs:240:9
[INFO] [stdout]     |
[INFO] [stdout] 240 |         try!(input.read(&mut buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/websocket_frame.rs:247:9
[INFO] [stdout]     |
[INFO] [stdout] 247 |         try!(input.read(&mut payload));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 9 previous errors; 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0425, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chat`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0412]: cannot find type `Tm` in crate `time`
[INFO] [stdout]   --> src/client.rs:49:29
[INFO] [stdout]    |
[INFO] [stdout] 49 |     ping_sent: Option<time::Tm>,
[INFO] [stdout]    |                             ^^ not found in `time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `now_utc` in crate `time`
[INFO] [stdout]    --> src/client.rs:295:33
[INFO] [stdout]     |
[INFO] [stdout] 295 |                 let rtt = time::now_utc() - ping_sent;
[INFO] [stdout]     |                                 ^^^^^^^ not found in `time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `now_utc` in crate `time`
[INFO] [stdout]    --> src/client.rs:335:37
[INFO] [stdout]     |
[INFO] [stdout] 335 |         self.ping_sent = Some(time::now_utc());
[INFO] [stdout]     |                                     ^^^^^^^ not found in `time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/websocket_frame.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 107 |         try!(body_cursor.write_u16::<BigEndian>(status_code)
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/websocket_frame.rs:110:9
[INFO] [stdout]     |
[INFO] [stdout] 110 |         try!(body_cursor.write(reason)
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/websocket_frame.rs:155:9
[INFO] [stdout]     |
[INFO] [stdout] 155 |         try!(output.write_u16::<BigEndian>(hdr));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/websocket_frame.rs:158:32
[INFO] [stdout]     |
[INFO] [stdout] 158 |             PAYLOAD_LEN_U16 => try!(output.write_u16::<BigEndian>(self.payload.len() as u16)),
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/websocket_frame.rs:159:32
[INFO] [stdout]     |
[INFO] [stdout] 159 |             PAYLOAD_LEN_U64 => try!(output.write_u64::<BigEndian>(self.payload.len() as u64)),
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/websocket_frame.rs:163:9
[INFO] [stdout]     |
[INFO] [stdout] 163 |         try!(output.write(&self.payload));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/websocket_frame.rs:168:19
[INFO] [stdout]     |
[INFO] [stdout] 168 |         let buf = try!(input.read_u16::<BigEndian>());
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/websocket_frame.rs:169:22
[INFO] [stdout]     |
[INFO] [stdout] 169 |         let header = try!(Self::parse_header(buf).map_err(|s| io::Error::new(ErrorKind::Other, s)));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/websocket_frame.rs:171:19
[INFO] [stdout]     |
[INFO] [stdout] 171 |         let len = try!(Self::read_length(header.payload_length, input));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/websocket_frame.rs:173:24
[INFO] [stdout]     |
[INFO] [stdout] 173 |             let mask = try!(Self::read_mask(input));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/websocket_frame.rs:178:27
[INFO] [stdout]     |
[INFO] [stdout] 178 |         let mut payload = try!(Self::read_payload(len, input));
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/websocket_frame.rs:240:9
[INFO] [stdout]     |
[INFO] [stdout] 240 |         try!(input.read(&mut buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/websocket_frame.rs:247:9
[INFO] [stdout]     |
[INFO] [stdout] 247 |         try!(input.read(&mut payload));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] [stdout] error: aborting due to 9 previous errors; 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0425, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ad2752876270f07019b835ba74b1250e66d570a6f78781e1576487ee3e8b5a7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad2752876270f07019b835ba74b1250e66d570a6f78781e1576487ee3e8b5a7f", kill_on_drop: false }`
[INFO] [stdout] ad2752876270f07019b835ba74b1250e66d570a6f78781e1576487ee3e8b5a7f
