[INFO] fetching crate antimony 0.0.1...
[INFO] checking antimony-0.0.1 against master#e59540968e0c6fc3c37d92a639b83fc8fcee5e81 for pr-114559
[INFO] extracting crate antimony 0.0.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate antimony 0.0.1 on toolchain e59540968e0c6fc3c37d92a639b83fc8fcee5e81
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate antimony 0.0.1
[INFO] finished tweaking crates.io crate antimony 0.0.1
[INFO] tweaked toml for crates.io crate antimony 0.0.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded scoped-tls v0.1.2
[INFO] [stderr]   Downloaded log v0.3.9
[INFO] [stderr]   Downloaded tokio-uds v0.1.7
[INFO] [stderr]   Downloaded tokio-core v0.1.18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31e67d37803a77432b9707e6083015fd56648f3251b28d51cf8d7e9ac254fe0e
[INFO] running `Command { std: "docker" "start" "-a" "31e67d37803a77432b9707e6083015fd56648f3251b28d51cf8d7e9ac254fe0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31e67d37803a77432b9707e6083015fd56648f3251b28d51cf8d7e9ac254fe0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31e67d37803a77432b9707e6083015fd56648f3251b28d51cf8d7e9ac254fe0e", kill_on_drop: false }`
[INFO] [stdout] 31e67d37803a77432b9707e6083015fd56648f3251b28d51cf8d7e9ac254fe0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9434bdcbe4dcda3be49504939fd180f058b8f7369b6bd56a7e92926443a6f32
[INFO] running `Command { std: "docker" "start" "-a" "d9434bdcbe4dcda3be49504939fd180f058b8f7369b6bd56a7e92926443a6f32", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking scoped-tls v0.1.2
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking tokio-timer v0.2.13
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[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking tokio-core v0.1.18
[INFO] [stderr]     Checking tokio-uds v0.1.7
[INFO] [stderr]     Checking antimony v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/components/mod.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 | #[derive(RustcEncodable, RustcDecodable)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/components/mod.rs:18:26
[INFO] [stdout]    |
[INFO] [stdout] 18 | #[derive(RustcEncodable, RustcDecodable)]
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/components/mod.rs:28:61
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn from_tcp(stream: TcpStream) -> Box<Future<Item = (Self), Error = std::io::Error >> {
[INFO] [stdout]    |                                                             ^    ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 28 -     pub fn from_tcp(stream: TcpStream) -> Box<Future<Item = (Self), Error = std::io::Error >> {
[INFO] [stdout] 28 +     pub fn from_tcp(stream: TcpStream) -> Box<Future<Item = Self, Error = std::io::Error >> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/components/mod.rs:39:91
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn from_half_uds(stream: tokio_io::io::ReadHalf<UnixStream>) -> Box<Future<Item = ((Self, tokio_io::io::ReadHalf<UnixStream>)), E...
[INFO] [stdout]    |                                                                                           ^                                          ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 39 -     pub fn from_half_uds(stream: tokio_io::io::ReadHalf<UnixStream>) -> Box<Future<Item = ((Self, tokio_io::io::ReadHalf<UnixStream>)), Error = std::io::Error > + Send>{
[INFO] [stdout] 39 +     pub fn from_half_uds(stream: tokio_io::io::ReadHalf<UnixStream>) -> Box<Future<Item = (Self, tokio_io::io::ReadHalf<UnixStream>), Error = std::io::Error > + Send>{
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/components/mod.rs:50:67
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn to_uds(&self, stream: UnixStream) -> Box<Future<Item = (UnixStream), Error = std::io::Error > + Send> {
[INFO] [stdout]    |                                                                   ^          ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 50 -     pub fn to_uds(&self, stream: UnixStream) -> Box<Future<Item = (UnixStream), Error = std::io::Error > + Send> {
[INFO] [stdout] 50 +     pub fn to_uds(&self, stream: UnixStream) -> Box<Future<Item = UnixStream, Error = std::io::Error > + Send> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/components/mod.rs:54:97
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn to_half_uds(&self, stream: tokio_io::io::WriteHalf<UnixStream>) -> Box<Future<Item = (tokio_io::io::WriteHalf<UnixStream>), Er...
[INFO] [stdout]    |                                                                                                 ^                                   ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 54 -     pub fn to_half_uds(&self, stream: tokio_io::io::WriteHalf<UnixStream>) -> Box<Future<Item = (tokio_io::io::WriteHalf<UnixStream>), Error = std::io::Error > + Send> {
[INFO] [stdout] 54 +     pub fn to_half_uds(&self, stream: tokio_io::io::WriteHalf<UnixStream>) -> Box<Future<Item = tokio_io::io::WriteHalf<UnixStream>, Error = std::io::Error > + Send> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/components/mod.rs:28:47
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn from_tcp(stream: TcpStream) -> Box<Future<Item = (Self), Error = std::io::Error >> {
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn from_tcp(stream: TcpStream) -> Box<dyn Future<Item = (Self), Error = std::io::Error >> {
[INFO] [stdout]    |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/components/mod.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 | #[derive(RustcEncodable, RustcDecodable)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/components/mod.rs:18:26
[INFO] [stdout]    |
[INFO] [stdout] 18 | #[derive(RustcEncodable, RustcDecodable)]
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/components/mod.rs:39:77
[INFO] [stdout]    |
[INFO] [stdout] 39 | ...<UnixStream>) -> Box<Future<Item = ((Self, tokio_io::io::ReadHalf<UnixStream>)), Error = std::io::Error > + Send>{
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn from_half_uds(stream: tokio_io::io::ReadHalf<UnixStream>) -> Box<dyn Future<Item = ((Self, tokio_io::io::ReadHalf<UnixStream>)), Error = std::io::Error > + Send>{
[INFO] [stdout]    |                                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/components/mod.rs:50:53
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn to_uds(&self, stream: UnixStream) -> Box<Future<Item = (UnixStream), Error = std::io::Error > + Send> {
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn to_uds(&self, stream: UnixStream) -> Box<dyn Future<Item = (UnixStream), Error = std::io::Error > + Send> {
[INFO] [stdout]    |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/components/mod.rs:54:83
[INFO] [stdout]    |
[INFO] [stdout] 54 | ...Half<UnixStream>) -> Box<Future<Item = (tokio_io::io::WriteHalf<UnixStream>), Error = std::io::Error > + Send> {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn to_half_uds(&self, stream: tokio_io::io::WriteHalf<UnixStream>) -> Box<dyn Future<Item = (tokio_io::io::WriteHalf<UnixStream>), Error = std::io::Error > + Send> {
[INFO] [stdout]    |                                                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/components/mod.rs:28:61
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn from_tcp(stream: TcpStream) -> Box<Future<Item = (Self), Error = std::io::Error >> {
[INFO] [stdout]    |                                                             ^    ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 28 -     pub fn from_tcp(stream: TcpStream) -> Box<Future<Item = (Self), Error = std::io::Error >> {
[INFO] [stdout] 28 +     pub fn from_tcp(stream: TcpStream) -> Box<Future<Item = Self, Error = std::io::Error >> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/components/mod.rs:39:91
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn from_half_uds(stream: tokio_io::io::ReadHalf<UnixStream>) -> Box<Future<Item = ((Self, tokio_io::io::ReadHalf<UnixStream>)), E...
[INFO] [stdout]    |                                                                                           ^                                          ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 39 -     pub fn from_half_uds(stream: tokio_io::io::ReadHalf<UnixStream>) -> Box<Future<Item = ((Self, tokio_io::io::ReadHalf<UnixStream>)), Error = std::io::Error > + Send>{
[INFO] [stdout] 39 +     pub fn from_half_uds(stream: tokio_io::io::ReadHalf<UnixStream>) -> Box<Future<Item = (Self, tokio_io::io::ReadHalf<UnixStream>), Error = std::io::Error > + Send>{
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/components/mod.rs:50:67
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn to_uds(&self, stream: UnixStream) -> Box<Future<Item = (UnixStream), Error = std::io::Error > + Send> {
[INFO] [stdout]    |                                                                   ^          ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 50 -     pub fn to_uds(&self, stream: UnixStream) -> Box<Future<Item = (UnixStream), Error = std::io::Error > + Send> {
[INFO] [stdout] 50 +     pub fn to_uds(&self, stream: UnixStream) -> Box<Future<Item = UnixStream, Error = std::io::Error > + Send> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/components/mod.rs:54:97
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn to_half_uds(&self, stream: tokio_io::io::WriteHalf<UnixStream>) -> Box<Future<Item = (tokio_io::io::WriteHalf<UnixStream>), Er...
[INFO] [stdout]    |                                                                                                 ^                                   ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 54 -     pub fn to_half_uds(&self, stream: tokio_io::io::WriteHalf<UnixStream>) -> Box<Future<Item = (tokio_io::io::WriteHalf<UnixStream>), Error = std::io::Error > + Send> {
[INFO] [stdout] 54 +     pub fn to_half_uds(&self, stream: tokio_io::io::WriteHalf<UnixStream>) -> Box<Future<Item = tokio_io::io::WriteHalf<UnixStream>, Error = std::io::Error > + Send> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/components/mod.rs:28:47
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn from_tcp(stream: TcpStream) -> Box<Future<Item = (Self), Error = std::io::Error >> {
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn from_tcp(stream: TcpStream) -> Box<dyn Future<Item = (Self), Error = std::io::Error >> {
[INFO] [stdout]    |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/components/mod.rs:39:77
[INFO] [stdout]    |
[INFO] [stdout] 39 | ...<UnixStream>) -> Box<Future<Item = ((Self, tokio_io::io::ReadHalf<UnixStream>)), Error = std::io::Error > + Send>{
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn from_half_uds(stream: tokio_io::io::ReadHalf<UnixStream>) -> Box<dyn Future<Item = ((Self, tokio_io::io::ReadHalf<UnixStream>)), Error = std::io::Error > + Send>{
[INFO] [stdout]    |                                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/components/mod.rs:50:53
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn to_uds(&self, stream: UnixStream) -> Box<Future<Item = (UnixStream), Error = std::io::Error > + Send> {
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn to_uds(&self, stream: UnixStream) -> Box<dyn Future<Item = (UnixStream), Error = std::io::Error > + Send> {
[INFO] [stdout]    |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/components/mod.rs:54:83
[INFO] [stdout]    |
[INFO] [stdout] 54 | ...Half<UnixStream>) -> Box<Future<Item = (tokio_io::io::WriteHalf<UnixStream>), Error = std::io::Error > + Send> {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn to_half_uds(&self, stream: tokio_io::io::WriteHalf<UnixStream>) -> Box<dyn Future<Item = (tokio_io::io::WriteHalf<UnixStream>), Error = std::io::Error > + Send> {
[INFO] [stdout]    |                                                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `futures::Future::boxed`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]   --> src/components/spout.rs:48:92
[INFO] [stdout]    |
[INFO] [stdout] 48 |                         return future::ok(()).and_then(|_| Ok(future::Loop::Continue(cc))).boxed();
[INFO] [stdout]    |                                                                                            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `futures::Future::boxed`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]   --> src/components/spout.rs:48:92
[INFO] [stdout]    |
[INFO] [stdout] 48 |                         return future::ok(()).and_then(|_| Ok(future::Loop::Continue(cc))).boxed();
[INFO] [stdout]    |                                                                                            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `futures::Future::boxed`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]   --> src/components/bolt.rs:56:79
[INFO] [stdout]    |
[INFO] [stdout] 56 | ...                   .and_then(|_| Ok(future::Loop::Continue(cc))).boxed();
[INFO] [stdout]    |                                                                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `futures::Future::boxed`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]   --> src/components/bolt.rs:56:79
[INFO] [stdout]    |
[INFO] [stdout] 56 | ...                   .and_then(|_| Ok(future::Loop::Continue(cc))).boxed();
[INFO] [stdout]    |                                                                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/components/spout.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Spout{
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 15 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Spout` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/components/bolt.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Bolt{
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 17 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Bolt` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/components/spout.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Spout{
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 15 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Spout` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/components/bolt.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Bolt{
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 17 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Bolt` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.05s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "d9434bdcbe4dcda3be49504939fd180f058b8f7369b6bd56a7e92926443a6f32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9434bdcbe4dcda3be49504939fd180f058b8f7369b6bd56a7e92926443a6f32", kill_on_drop: false }`
[INFO] [stdout] d9434bdcbe4dcda3be49504939fd180f058b8f7369b6bd56a7e92926443a6f32
