[INFO] fetching crate salt 0.0.4...
[INFO] testing salt-0.0.4 against 1.47.0 for beta-1.48-1
[INFO] extracting crate salt 0.0.4 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate salt 0.0.4 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate salt 0.0.4
[INFO] finished tweaking crates.io crate salt 0.0.4
[INFO] tweaked toml for crates.io crate salt 0.0.4 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c6e8581256af0eeaf8f83e4dd973677b189d3e2d1925d192138cfca9f77dd90
[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" "2c6e8581256af0eeaf8f83e4dd973677b189d3e2d1925d192138cfca9f77dd90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c6e8581256af0eeaf8f83e4dd973677b189d3e2d1925d192138cfca9f77dd90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c6e8581256af0eeaf8f83e4dd973677b189d3e2d1925d192138cfca9f77dd90", kill_on_drop: false }`
[INFO] [stdout] 2c6e8581256af0eeaf8f83e4dd973677b189d3e2d1925d192138cfca9f77dd90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80d6ade6204d926074da30adea5ac1abe52494fdb812896afca2ddd13a27e1ba
[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" "80d6ade6204d926074da30adea5ac1abe52494fdb812896afca2ddd13a27e1ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling scoped-tls v0.1.2
[INFO] [stderr]    Compiling try-lock v0.1.0
[INFO] [stderr]    Compiling smallvec v0.2.1
[INFO] [stderr]    Compiling take v0.1.0
[INFO] [stderr]    Compiling slab v0.3.0
[INFO] [stderr]    Compiling tokio-service v0.1.0
[INFO] [stderr]    Compiling relay v0.1.1
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling want v0.0.4
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling tokio-fs v0.1.7
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio-uds v0.2.7
[INFO] [stderr]    Compiling tokio-udp v0.1.6
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling tokio-core v0.1.17
[INFO] [stderr]    Compiling tokio-proto v0.1.1
[INFO] [stderr]    Compiling hyper v0.11.27
[INFO] [stderr]    Compiling salt v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/handler.rs:27:27
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub type BoxHandler = Box<Handler<Result = BoxFutureResponse>>;
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Handler<Result = BoxFutureResponse>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/salt.rs:144:23
[INFO] [stdout]     |
[INFO] [stdout] 144 |     type Future = Box<Future<Item = Self::Response, Error = Self::Error>>;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Self::Response, Error = Self::Error>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/response.rs:79:34
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub type BoxFutureResponse = Box<Future<Item = Response, Error = hyper::Error>>;
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Response, Error = hyper::Error>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stack.rs:95:31
[INFO] [stdout]    |
[INFO] [stdout] 95 | type BoxStackBoxHandler = Box<StackBoxHandler>;
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn StackBoxHandler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors.rs:26:32
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `hyper::server::server_proto::<impl hyper::server::Http<B>>::bind_connection`: All usage of the tokio-proto crate is going away.
[INFO] [stdout]   --> src/salt.rs:86:34
[INFO] [stdout]    |
[INFO] [stdout] 86 |                         protocol.bind_connection(&handle, socket, addr, service.clone());
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:22:49
[INFO] [stdout]    |
[INFO] [stdout] 22 |             ListenErrorKind::Io(ref err) => err.description(),
[INFO] [stdout]    |                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/errors.rs:28:49
[INFO] [stdout]    |
[INFO] [stdout] 28 |             ListenErrorKind::Io(ref err) => err.cause(),
[INFO] [stdout]    |                                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.45s
[INFO] running `Command { std: "docker" "inspect" "80d6ade6204d926074da30adea5ac1abe52494fdb812896afca2ddd13a27e1ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80d6ade6204d926074da30adea5ac1abe52494fdb812896afca2ddd13a27e1ba", kill_on_drop: false }`
[INFO] [stdout] 80d6ade6204d926074da30adea5ac1abe52494fdb812896afca2ddd13a27e1ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8f104a2a53c51b7373405c0885c8b6c94c4dd9a0bc37fce10b1f9f27c488d1a
[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" "b8f104a2a53c51b7373405c0885c8b6c94c4dd9a0bc37fce10b1f9f27c488d1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/handler.rs:27:27
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub type BoxHandler = Box<Handler<Result = BoxFutureResponse>>;
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Handler<Result = BoxFutureResponse>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/salt.rs:144:23
[INFO] [stdout]     |
[INFO] [stdout] 144 |     type Future = Box<Future<Item = Self::Response, Error = Self::Error>>;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Self::Response, Error = Self::Error>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/response.rs:79:34
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub type BoxFutureResponse = Box<Future<Item = Response, Error = hyper::Error>>;
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Response, Error = hyper::Error>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stack.rs:95:31
[INFO] [stdout]    |
[INFO] [stdout] 95 | type BoxStackBoxHandler = Box<StackBoxHandler>;
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn StackBoxHandler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors.rs:26:32
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `hyper::server::server_proto::<impl hyper::server::Http<B>>::bind_connection`: All usage of the tokio-proto crate is going away.
[INFO] [stdout]   --> src/salt.rs:86:34
[INFO] [stdout]    |
[INFO] [stdout] 86 |                         protocol.bind_connection(&handle, socket, addr, service.clone());
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:22:49
[INFO] [stdout]    |
[INFO] [stdout] 22 |             ListenErrorKind::Io(ref err) => err.description(),
[INFO] [stdout]    |                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/errors.rs:28:49
[INFO] [stdout]    |
[INFO] [stdout] 28 |             ListenErrorKind::Io(ref err) => err.cause(),
[INFO] [stdout]    |                                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling salt v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> examples/time.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(conservative_impl_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> examples/proxy.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(conservative_impl_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `salt`.
[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: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/handler.rs:27:27
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub type BoxHandler = Box<Handler<Result = BoxFutureResponse>>;
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Handler<Result = BoxFutureResponse>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/salt.rs:144:23
[INFO] [stdout]     |
[INFO] [stdout] 144 |     type Future = Box<Future<Item = Self::Response, Error = Self::Error>>;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Self::Response, Error = Self::Error>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/response.rs:79:34
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub type BoxFutureResponse = Box<Future<Item = Response, Error = hyper::Error>>;
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Response, Error = hyper::Error>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stack.rs:95:31
[INFO] [stdout]    |
[INFO] [stdout] 95 | type BoxStackBoxHandler = Box<StackBoxHandler>;
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn StackBoxHandler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors.rs:26:32
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> examples/json.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(conservative_impl_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> examples/json.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | /     error_chain! {
[INFO] [stdout] 19 | |         foreign_links {
[INFO] [stdout] 20 | |             Io(::std::io::Error);
[INFO] [stdout] 21 | |             Json(::serde_json::Error);
[INFO] [stdout] 22 | |         }
[INFO] [stdout] 23 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> examples/json.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | /     error_chain! {
[INFO] [stdout] 19 | |         foreign_links {
[INFO] [stdout] 20 | |             Io(::std::io::Error);
[INFO] [stdout] 21 | |             Json(::serde_json::Error);
[INFO] [stdout] 22 | |         }
[INFO] [stdout] 23 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `hyper::server::server_proto::<impl hyper::server::Http<B>>::bind_connection`: All usage of the tokio-proto crate is going away.
[INFO] [stdout]   --> src/salt.rs:86:34
[INFO] [stdout]    |
[INFO] [stdout] 86 |                         protocol.bind_connection(&handle, socket, addr, service.clone());
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:22:49
[INFO] [stdout]    |
[INFO] [stdout] 22 |             ListenErrorKind::Io(ref err) => err.description(),
[INFO] [stdout]    |                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/errors.rs:28:49
[INFO] [stdout]    |
[INFO] [stdout] 28 |             ListenErrorKind::Io(ref err) => err.cause(),
[INFO] [stdout]    |                                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> examples/json.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | /     error_chain! {
[INFO] [stdout] 19 | |         foreign_links {
[INFO] [stdout] 20 | |             Io(::std::io::Error);
[INFO] [stdout] 21 | |             Json(::serde_json::Error);
[INFO] [stdout] 22 | |         }
[INFO] [stdout] 23 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b8f104a2a53c51b7373405c0885c8b6c94c4dd9a0bc37fce10b1f9f27c488d1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8f104a2a53c51b7373405c0885c8b6c94c4dd9a0bc37fce10b1f9f27c488d1a", kill_on_drop: false }`
[INFO] [stdout] b8f104a2a53c51b7373405c0885c8b6c94c4dd9a0bc37fce10b1f9f27c488d1a
