[INFO] fetching crate tokio-irc-client 0.2.1...
[INFO] testing tokio-irc-client-0.2.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate tokio-irc-client 0.2.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate tokio-irc-client 0.2.1 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 tokio-irc-client 0.2.1
[INFO] finished tweaking crates.io crate tokio-irc-client 0.2.1
[INFO] tweaked toml for crates.io crate tokio-irc-client 0.2.1 written to /workspace/builds/worker-6/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pircolate v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f5db2fa12a94c8e732d1b63e7ab58645e8d271ac6c152038a4cf0dc6efe7dd71
[INFO] running `Command { std: "docker" "start" "-a" "f5db2fa12a94c8e732d1b63e7ab58645e8d271ac6c152038a4cf0dc6efe7dd71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5db2fa12a94c8e732d1b63e7ab58645e8d271ac6c152038a4cf0dc6efe7dd71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5db2fa12a94c8e732d1b63e7ab58645e8d271ac6c152038a4cf0dc6efe7dd71", kill_on_drop: false }`
[INFO] [stdout] f5db2fa12a94c8e732d1b63e7ab58645e8d271ac6c152038a4cf0dc6efe7dd71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5265366584e8275943dd66fb29884276ce1ce555adcc2df375facef5bb69e012
[INFO] running `Command { std: "docker" "start" "-a" "5265366584e8275943dd66fb29884276ce1ce555adcc2df375facef5bb69e012", kill_on_drop: false }`
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling pircolate v0.2.1
[INFO] [stderr]    Compiling tokio-irc-client v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  | / error_chain! {
[INFO] [stdout] 6  | |     foreign_links {
[INFO] [stdout] 7  | |         Io(::std::io::Error);
[INFO] [stdout] 8  | |         Utf8(::std::string::FromUtf8Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 25 | |     }
[INFO] [stdout] 26 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `error_chain_processed` (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]   --> src/error.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  | / error_chain! {
[INFO] [stdout] 6  | |     foreign_links {
[INFO] [stdout] 7  | |         Io(::std::io::Error);
[INFO] [stdout] 8  | |         Utf8(::std::string::FromUtf8Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 25 | |     }
[INFO] [stdout] 26 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `tokio_io::codec::Framed`: Moved to tokio-codec
[INFO] [stdout]   --> src/client.rs:16:22
[INFO] [stdout]    |
[INFO] [stdout] 16 | use tokio_io::codec::Framed;
[INFO] [stdout]    |                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `tokio_io::codec::Framed`: Moved to tokio-codec
[INFO] [stdout]    --> src/client.rs:189:12
[INFO] [stdout]     |
[INFO] [stdout] 189 |     inner: Framed<T, codec::IrcCodec>,
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `tokio_io::codec::Framed`: Moved to tokio-codec
[INFO] [stdout]    --> src/client.rs:196:19
[INFO] [stdout]     |
[INFO] [stdout] 196 |     fn new(inner: Framed<T, codec::IrcCodec>) -> IrcTransport<T> {
[INFO] [stdout]     |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `tokio_io::AsyncRead::framed`: Use tokio_codec::Decoder::framed instead
[INFO] [stdout]    --> src/client.rs:110:52
[INFO] [stdout]     |
[INFO] [stdout] 110 |         let framed = try_ready!(self.inner.poll()).framed(codec::IrcCodec);
[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/error.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  | / error_chain! {
[INFO] [stdout] 6  | |     foreign_links {
[INFO] [stdout] 7  | |         Io(::std::io::Error);
[INFO] [stdout] 8  | |         Utf8(::std::string::FromUtf8Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 25 | |     }
[INFO] [stdout] 26 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "5265366584e8275943dd66fb29884276ce1ce555adcc2df375facef5bb69e012", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5265366584e8275943dd66fb29884276ce1ce555adcc2df375facef5bb69e012", kill_on_drop: false }`
[INFO] [stdout] 5265366584e8275943dd66fb29884276ce1ce555adcc2df375facef5bb69e012
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] 4ca32b816ac83d971f3d5dde9f80b5b903ffecbae9fd4c28e1aebe5ec9190f7a
[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" "4ca32b816ac83d971f3d5dde9f80b5b903ffecbae9fd4c28e1aebe5ec9190f7a", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  | / error_chain! {
[INFO] [stdout] 6  | |     foreign_links {
[INFO] [stdout] 7  | |         Io(::std::io::Error);
[INFO] [stdout] 8  | |         Utf8(::std::string::FromUtf8Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 25 | |     }
[INFO] [stdout] 26 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `error_chain_processed` (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]   --> src/error.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  | / error_chain! {
[INFO] [stdout] 6  | |     foreign_links {
[INFO] [stdout] 7  | |         Io(::std::io::Error);
[INFO] [stdout] 8  | |         Utf8(::std::string::FromUtf8Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 25 | |     }
[INFO] [stdout] 26 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `tokio_io::codec::Framed`: Moved to tokio-codec
[INFO] [stdout]   --> src/client.rs:16:22
[INFO] [stdout]    |
[INFO] [stdout] 16 | use tokio_io::codec::Framed;
[INFO] [stdout]    |                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `tokio_io::codec::Framed`: Moved to tokio-codec
[INFO] [stdout]    --> src/client.rs:189:12
[INFO] [stdout]     |
[INFO] [stdout] 189 |     inner: Framed<T, codec::IrcCodec>,
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `tokio_io::codec::Framed`: Moved to tokio-codec
[INFO] [stdout]    --> src/client.rs:196:19
[INFO] [stdout]     |
[INFO] [stdout] 196 |     fn new(inner: Framed<T, codec::IrcCodec>) -> IrcTransport<T> {
[INFO] [stdout]     |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `tokio_io::AsyncRead::framed`: Use tokio_codec::Decoder::framed instead
[INFO] [stdout]    --> src/client.rs:110:52
[INFO] [stdout]     |
[INFO] [stdout] 110 |         let framed = try_ready!(self.inner.poll()).framed(codec::IrcCodec);
[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/error.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  | / error_chain! {
[INFO] [stdout] 6  | |     foreign_links {
[INFO] [stdout] 7  | |         Io(::std::io::Error);
[INFO] [stdout] 8  | |         Utf8(::std::string::FromUtf8Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 25 | |     }
[INFO] [stdout] 26 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tokio-irc-client v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `pircolate::command::Privmsg`
[INFO] [stdout]   --> examples/print_messages.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use pircolate::command::Privmsg;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^-------
[INFO] [stdout]    |     |                   |
[INFO] [stdout]    |     |                   help: a similar name exists in the module: `PrivMsg`
[INFO] [stdout]    |     no `Privmsg` in `command`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `nick` in module `message`
[INFO] [stdout]   --> examples/print_messages.rs:31:26
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 message::nick("RustBot"),
[INFO] [stdout]    |                          ^^^^ not found in `message`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]    |
[INFO] [stdout] 6  | use message::client::nick;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `user` in module `message`
[INFO] [stdout]   --> examples/print_messages.rs:32:26
[INFO] [stdout]    |
[INFO] [stdout] 32 |                 message::user("RustBot", "Example bot written in Rust"),
[INFO] [stdout]    |                          ^^^^ not found in `message`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]    |
[INFO] [stdout] 6  | use message::client::user;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `join` in module `message`
[INFO] [stdout]   --> examples/print_messages.rs:33:26
[INFO] [stdout]    |
[INFO] [stdout] 33 |                 message::join("#prograaming")
[INFO] [stdout]    |                          ^^^^ not found in `message`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]    |
[INFO] [stdout] 6  | use message::client::join;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `futures::stream::iter`: implementation moved to `iter_ok` and `iter_result`
[INFO] [stdout]   --> examples/print_messages.rs:36:34
[INFO] [stdout]    |
[INFO] [stdout] 36 |             irc.send_all(stream::iter(connect_sequence))
[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/error.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  | / error_chain! {
[INFO] [stdout] 6  | |     foreign_links {
[INFO] [stdout] 7  | |         Io(::std::io::Error);
[INFO] [stdout] 8  | |         Utf8(::std::string::FromUtf8Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 25 | |     }
[INFO] [stdout] 26 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `error_chain_processed` (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]   --> src/error.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  | / error_chain! {
[INFO] [stdout] 6  | |     foreign_links {
[INFO] [stdout] 7  | |         Io(::std::io::Error);
[INFO] [stdout] 8  | |         Utf8(::std::string::FromUtf8Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 25 | |     }
[INFO] [stdout] 26 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `tokio_io::codec::Framed`: Moved to tokio-codec
[INFO] [stdout]   --> src/client.rs:16:22
[INFO] [stdout]    |
[INFO] [stdout] 16 | use tokio_io::codec::Framed;
[INFO] [stdout]    |                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `tokio_io::codec::Framed`: Moved to tokio-codec
[INFO] [stdout]    --> src/client.rs:189:12
[INFO] [stdout]     |
[INFO] [stdout] 189 |     inner: Framed<T, codec::IrcCodec>,
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `tokio_io::codec::Framed`: Moved to tokio-codec
[INFO] [stdout]    --> src/client.rs:196:19
[INFO] [stdout]     |
[INFO] [stdout] 196 |     fn new(inner: Framed<T, codec::IrcCodec>) -> IrcTransport<T> {
[INFO] [stdout]     |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tokio-irc-client` due to 5 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: use of deprecated associated function `tokio_io::AsyncRead::framed`: Use tokio_codec::Decoder::framed instead
[INFO] [stdout]    --> src/client.rs:110:52
[INFO] [stdout]     |
[INFO] [stdout] 110 |         let framed = try_ready!(self.inner.poll()).framed(codec::IrcCodec);
[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/error.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  | / error_chain! {
[INFO] [stdout] 6  | |     foreign_links {
[INFO] [stdout] 7  | |         Io(::std::io::Error);
[INFO] [stdout] 8  | |         Utf8(::std::string::FromUtf8Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 25 | |     }
[INFO] [stdout] 26 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "4ca32b816ac83d971f3d5dde9f80b5b903ffecbae9fd4c28e1aebe5ec9190f7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ca32b816ac83d971f3d5dde9f80b5b903ffecbae9fd4c28e1aebe5ec9190f7a", kill_on_drop: false }`
[INFO] [stdout] 4ca32b816ac83d971f3d5dde9f80b5b903ffecbae9fd4c28e1aebe5ec9190f7a