[INFO] fetching crate async-readline 0.1.0...
[INFO] testing async-readline-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate async-readline 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate async-readline 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-readline 0.1.0
[INFO] finished tweaking crates.io crate async-readline 0.1.0
[INFO] tweaked toml for crates.io crate async-readline 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio v0.0.0
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c54f2ee7d3cc4317b8d1fdd1f328102948a44e7cbd81f763dbe3ed6721639076
[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" "c54f2ee7d3cc4317b8d1fdd1f328102948a44e7cbd81f763dbe3ed6721639076", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c54f2ee7d3cc4317b8d1fdd1f328102948a44e7cbd81f763dbe3ed6721639076", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c54f2ee7d3cc4317b8d1fdd1f328102948a44e7cbd81f763dbe3ed6721639076", kill_on_drop: false }`
[INFO] [stdout] c54f2ee7d3cc4317b8d1fdd1f328102948a44e7cbd81f763dbe3ed6721639076
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61157697c00042077880627f3c3a05298f6a719ac1d6e78e66669266d2e839ed
[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" "61157697c00042077880627f3c3a05298f6a719ac1d6e78e66669266d2e839ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling bitflags v0.4.0
[INFO] [stderr]    Compiling scoped-tls v0.1.2
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling tokio v0.0.0
[INFO] [stderr]    Compiling termios v0.2.2
[INFO] [stderr]    Compiling tokio-core v0.1.18
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling nix v0.7.0
[INFO] [stderr]    Compiling async-readline v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/raw.rs:134:9
[INFO] [stdout]     |
[INFO] [stdout] 134 |         try!(termios::tcsetattr(STDIN_FILENO, termios::TCSADRAIN, &raw));
[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/raw.rs:120:13
[INFO] [stdout]     |
[INFO] [stdout] 120 |             try!(Err(nix::Error::from_errno(ENOTTY)));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.55s
[INFO] running `Command { std: "docker" "inspect" "61157697c00042077880627f3c3a05298f6a719ac1d6e78e66669266d2e839ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61157697c00042077880627f3c3a05298f6a719ac1d6e78e66669266d2e839ed", kill_on_drop: false }`
[INFO] [stdout] 61157697c00042077880627f3c3a05298f6a719ac1d6e78e66669266d2e839ed
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--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] 57b3fbaf8812f1393648952bf742ff463762519f0b4f5406f71d4eedf1853291
[INFO] running `Command { std: "docker" "start" "-a" "57b3fbaf8812f1393648952bf742ff463762519f0b4f5406f71d4eedf1853291", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-readline v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/raw.rs:134:9
[INFO] [stdout]     |
[INFO] [stdout] 134 |         try!(termios::tcsetattr(STDIN_FILENO, termios::TCSADRAIN, &raw));
[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/raw.rs:120:13
[INFO] [stdout]     |
[INFO] [stdout] 120 |             try!(Err(nix::Error::from_errno(ENOTTY)));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `tokio_core::io::Io`: moved to the `tokio-io` crate
[INFO] [stdout]  --> examples/echo.rs:6:22
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tokio_core::io::{Io};
[INFO] [stdout]   |                      ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `tokio_core::io::Codec`: moved to the `tokio-io` crate
[INFO] [stdout]   --> examples/echo.rs:11:22
[INFO] [stdout]    |
[INFO] [stdout] 11 | use tokio_core::io::{Codec, EasyBuf};
[INFO] [stdout]    |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `tokio_core::io::EasyBuf`: moved to the `tokio-io` crate
[INFO] [stdout]   --> examples/echo.rs:11:29
[INFO] [stdout]    |
[INFO] [stdout] 11 | use tokio_core::io::{Codec, EasyBuf};
[INFO] [stdout]    |                             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `tokio_core::io::Codec`: moved to the `tokio-io` crate
[INFO] [stdout]   --> examples/echo.rs:15:6
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Codec for CharCodec {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `tokio_core::io::EasyBuf`: moved to the `tokio-io` crate
[INFO] [stdout]   --> examples/echo.rs:19:36
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn decode(&mut self, buf: &mut EasyBuf) -> Result<Option<Self::In>, io::Error> {
[INFO] [stdout]    |                                    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated type `tokio_core::io::Codec::In`: moved to the `tokio-io` crate
[INFO] [stdout]   --> examples/echo.rs:19:62
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn decode(&mut self, buf: &mut EasyBuf) -> Result<Option<Self::In>, io::Error> {
[INFO] [stdout]    |                                                              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated type `tokio_core::io::Codec::Out`: moved to the `tokio-io` crate
[INFO] [stdout]   --> examples/echo.rs:29:31
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn encode(&mut self, msg: Self::Out, buf: &mut Vec<u8>) -> io::Result<()> {
[INFO] [stdout]    |                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `tokio_core::io::EasyBuf::len`: moved to the `tokio-io` crate
[INFO] [stdout]   --> examples/echo.rs:20:16
[INFO] [stdout]    |
[INFO] [stdout] 20 |         if buf.len() == 0 {
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `tokio_core::io::EasyBuf::drain_to`: moved to the `tokio-io` crate
[INFO] [stdout]   --> examples/echo.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |         buf.drain_to(1);
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `tokio_core::io::Io::framed`: moved to the `tokio-io` crate
[INFO] [stdout]   --> examples/echo.rs:43:27
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let framed_in = stdin.framed(CharCodec);
[INFO] [stdout]    |                           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `tokio_core::io::Io::framed`: moved to the `tokio-io` crate
[INFO] [stdout]   --> examples/echo.rs:44:29
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let framed_out = stdout.framed(CharCodec);
[INFO] [stdout]    |                             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/raw.rs:134:9
[INFO] [stdout]     |
[INFO] [stdout] 134 |         try!(termios::tcsetattr(STDIN_FILENO, termios::TCSADRAIN, &raw));
[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/raw.rs:120:13
[INFO] [stdout]     |
[INFO] [stdout] 120 |             try!(Err(nix::Error::from_errno(ENOTTY)));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `futures::stream::Map` in tuple element 0 that must be used
[INFO] [stdout]   --> examples/echo.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     l.run(done).unwrap();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: streams do nothing unless polled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Framed` in tuple element 1 that must be used
[INFO] [stdout]   --> examples/echo.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     l.run(done).unwrap();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: streams do nothing unless polled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `futures::stream::Select` in tuple element 0 that must be used
[INFO] [stdout]   --> examples/readline.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 |     l.run(done).unwrap();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: streams do nothing unless polled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.88s
[INFO] running `Command { std: "docker" "inspect" "57b3fbaf8812f1393648952bf742ff463762519f0b4f5406f71d4eedf1853291", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57b3fbaf8812f1393648952bf742ff463762519f0b4f5406f71d4eedf1853291", kill_on_drop: false }`
[INFO] [stdout] 57b3fbaf8812f1393648952bf742ff463762519f0b4f5406f71d4eedf1853291
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ca084267b7db3fca2800beb83ec65e66fb7c4068788f91487c42044bfeeee868
[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" "ca084267b7db3fca2800beb83ec65e66fb7c4068788f91487c42044bfeeee868", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/raw.rs:134:9
[INFO] [stderr]     |
[INFO] [stderr] 134 |         try!(termios::tcsetattr(STDIN_FILENO, termios::TCSADRAIN, &raw));
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/raw.rs:120:13
[INFO] [stderr]     |
[INFO] [stderr] 120 |             try!(Err(nix::Error::from_errno(ENOTTY)));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `async-readline` (lib) generated 2 warnings
[INFO] [stderr] warning: `async-readline` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr] warning: unused `futures::stream::Select` in tuple element 0 that must be used
[INFO] [stderr]   --> examples/readline.rs:79:5
[INFO] [stderr]    |
[INFO] [stderr] 79 |     l.run(done).unwrap();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: streams do nothing unless polled
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated trait `tokio_core::io::Io`: moved to the `tokio-io` crate
[INFO] [stderr]  --> examples/echo.rs:6:22
[INFO] [stderr]   |
[INFO] [stderr] 6 | use tokio_core::io::{Io};
[INFO] [stderr]   |                      ^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated trait `tokio_core::io::Codec`: moved to the `tokio-io` crate
[INFO] [stderr]   --> examples/echo.rs:11:22
[INFO] [stderr]    |
[INFO] [stderr] 11 | use tokio_core::io::{Codec, EasyBuf};
[INFO] [stderr]    |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated struct `tokio_core::io::EasyBuf`: moved to the `tokio-io` crate
[INFO] [stderr]   --> examples/echo.rs:11:29
[INFO] [stderr]    |
[INFO] [stderr] 11 | use tokio_core::io::{Codec, EasyBuf};
[INFO] [stderr]    |                             ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated trait `tokio_core::io::Codec`: moved to the `tokio-io` crate
[INFO] [stderr]   --> examples/echo.rs:15:6
[INFO] [stderr]    |
[INFO] [stderr] 15 | impl Codec for CharCodec {
[INFO] [stderr]    |      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated struct `tokio_core::io::EasyBuf`: moved to the `tokio-io` crate
[INFO] [stderr]   --> examples/echo.rs:19:36
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn decode(&mut self, buf: &mut EasyBuf) -> Result<Option<Self::In>, io::Error> {
[INFO] [stderr]    |                                    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated type `tokio_core::io::Codec::In`: moved to the `tokio-io` crate
[INFO] [stderr]   --> examples/echo.rs:19:62
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn decode(&mut self, buf: &mut EasyBuf) -> Result<Option<Self::In>, io::Error> {
[INFO] [stderr]    |                                                              ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated type `tokio_core::io::Codec::Out`: moved to the `tokio-io` crate
[INFO] [stderr]   --> examples/echo.rs:29:31
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn encode(&mut self, msg: Self::Out, buf: &mut Vec<u8>) -> io::Result<()> {
[INFO] [stderr]    |                               ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `tokio_core::io::EasyBuf::len`: moved to the `tokio-io` crate
[INFO] [stderr]   --> examples/echo.rs:20:16
[INFO] [stderr]    |
[INFO] [stderr] 20 |         if buf.len() == 0 {
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `tokio_core::io::EasyBuf::drain_to`: moved to the `tokio-io` crate
[INFO] [stderr]   --> examples/echo.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |         buf.drain_to(1);
[INFO] [stderr]    |             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `tokio_core::io::Io::framed`: moved to the `tokio-io` crate
[INFO] [stderr]   --> examples/echo.rs:43:27
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let framed_in = stdin.framed(CharCodec);
[INFO] [stderr]    |                           ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `tokio_core::io::Io::framed`: moved to the `tokio-io` crate
[INFO] [stderr]   --> examples/echo.rs:44:29
[INFO] [stderr]    |
[INFO] [stderr] 44 |     let framed_out = stdout.framed(CharCodec);
[INFO] [stderr]    |                             ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `futures::stream::Map` in tuple element 0 that must be used
[INFO] [stderr]   --> examples/echo.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     l.run(done).unwrap();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: streams do nothing unless polled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Framed` in tuple element 1 that must be used
[INFO] [stderr]   --> examples/echo.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     l.run(done).unwrap();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: streams do nothing unless polled
[INFO] [stderr] 
[INFO] [stderr] warning: `async-readline` (example "readline") generated 1 warning
[INFO] [stderr] warning: `async-readline` (example "echo") generated 13 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/async_readline-035521660124234d)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests async-readline
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ca084267b7db3fca2800beb83ec65e66fb7c4068788f91487c42044bfeeee868", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca084267b7db3fca2800beb83ec65e66fb7c4068788f91487c42044bfeeee868", kill_on_drop: false }`
[INFO] [stdout] ca084267b7db3fca2800beb83ec65e66fb7c4068788f91487c42044bfeeee868