[INFO] fetching crate crack 0.1.0...
[INFO] testing crack-0.1.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate crack 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate crack 0.1.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate crack 0.1.0
[INFO] finished tweaking crates.io crate crack 0.1.0
[INFO] tweaked toml for crates.io crate crack 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_codegen_internals v0.14.2
[INFO] [stderr]   Downloaded utf8-ranges v1.0.5
[INFO] [stderr]   Downloaded aho-corasick v0.6.10
[INFO] [stderr]   Downloaded error-chain v0.9.0
[INFO] [stderr]   Downloaded serde v0.8.23
[INFO] [stderr]   Downloaded crossbeam v0.2.12
[INFO] [stderr]   Downloaded serde_derive v0.9.15
[INFO] [stderr]   Downloaded bincode v0.9.2
[INFO] [stderr]   Downloaded bincode v0.6.1
[INFO] [stderr]   Downloaded uuid v0.4.0
[INFO] [stderr]   Downloaded quickcheck v0.2.27
[INFO] [stderr]   Downloaded regex v0.2.11
[INFO] [stderr]   Downloaded regex-syntax v0.5.6
[INFO] [stderr]   Downloaded ucd-util v0.1.10
[INFO] [stderr]   Downloaded env_logger v0.4.3
[INFO] [stderr]   Downloaded crdts v1.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 10a47a91455357d7575fa728b96633dc8d312d0c3d9b801106f4a83e09600e54
[INFO] running `Command { std: "docker" "start" "-a" "10a47a91455357d7575fa728b96633dc8d312d0c3d9b801106f4a83e09600e54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10a47a91455357d7575fa728b96633dc8d312d0c3d9b801106f4a83e09600e54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10a47a91455357d7575fa728b96633dc8d312d0c3d9b801106f4a83e09600e54", kill_on_drop: false }`
[INFO] [stdout] 10a47a91455357d7575fa728b96633dc8d312d0c3d9b801106f4a83e09600e54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 018bcb06eae68ef4156f396641818d9ab30f0295a64942e72a32d2c746de745b
[INFO] running `Command { std: "docker" "start" "-a" "018bcb06eae68ef4156f396641818d9ab30f0295a64942e72a32d2c746de745b", kill_on_drop: false }`
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[INFO] [stderr]    Compiling serde v1.0.194
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[INFO] [stderr]    Compiling quote v0.3.15
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[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
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[INFO] [stderr]    Compiling backtrace v0.3.69
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[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling tokio-core v0.1.18
[INFO] [stderr]    Compiling bincode v0.9.2
[INFO] [stderr]    Compiling bincode v0.6.1
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[INFO] [stderr]    Compiling serde_derive v1.0.194
[INFO] [stderr]    Compiling error-chain v0.9.0
[INFO] [stderr]    Compiling crdts v1.3.0
[INFO] [stderr]    Compiling crack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/transport.rs:160:17
[INFO] [stdout]     |
[INFO] [stdout] 160 | #[derive(Debug, 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/transport.rs:160:33
[INFO] [stdout]     |
[INFO] [stdout] 160 | #[derive(Debug, RustcEncodable, RustcDecodable)]
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert`
[INFO] [stdout]  --> src/transport.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/transport.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/transport.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter`
[INFO] [stdout]  --> src/transport.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::iter;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/transport.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str`
[INFO] [stdout]  --> src/transport.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::str;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]  --> src/transport.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Handle`
[INFO] [stdout]   --> src/transport.rs:17:33
[INFO] [stdout]    |
[INFO] [stdout] 17 | use tokio_core::reactor::{Core, Handle};
[INFO] [stdout]    |                                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DecodingResult`
[INFO] [stdout]   --> src/transport.rs:20:48
[INFO] [stdout]    |
[INFO] [stdout] 20 | use bincode::rustc_serialize::{encode, decode, DecodingResult};
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json`
[INFO] [stdout]   --> src/transport.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use serde_json;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufMut`, `BytesMut`
[INFO] [stdout]   --> src/transport.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 | use bytes::{BufMut, BytesMut};
[INFO] [stdout]    |             ^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Decoder`, `Encoder`
[INFO] [stdout]   --> src/transport.rs:23:23
[INFO] [stdout]    |
[INFO] [stdout] 23 | use tokio_io::codec::{Encoder, Decoder, length_delimited};
[INFO] [stdout]    |                       ^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio_io::AsyncRead`
[INFO] [stdout]   --> src/transport.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | use tokio_io::AsyncRead;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `future`, `sink`
[INFO] [stdout]   --> src/transport.rs:25:15
[INFO] [stdout]    |
[INFO] [stdout] 25 | use futures::{future, sink, Sink, Stream, Future, IntoFuture};
[INFO] [stdout]    |               ^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SplitSink`, `SplitStream`, `self`
[INFO] [stdout]   --> src/transport.rs:26:23
[INFO] [stdout]    |
[INFO] [stdout] 26 | use futures::stream::{self, SplitSink, SplitStream};
[INFO] [stdout]    |                       ^^^^  ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `uuid::Uuid`
[INFO] [stdout]   --> src/transport.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | use uuid::Uuid;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `from_binary`, `to_binary`
[INFO] [stdout]   --> src/transport.rs:29:6
[INFO] [stdout]    |
[INFO] [stdout] 29 | use {to_binary, from_binary};
[INFO] [stdout]    |      ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `kernel::Peer`
[INFO] [stdout]   --> src/transport.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | use kernel::Peer;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/kernel.rs:13:20
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn ping(&self, Peer) -> Result<(), ()>;
[INFO] [stdout]    |                    ^^^^ help: try naming the parameter or explicitly ignoring it: `_: Peer`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/kernel.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn purge(&self, Peer);
[INFO] [stdout]    |                     ^^^^ help: try naming the parameter or explicitly ignoring it: `_: Peer`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `crc16_arr`, `crc16`
[INFO] [stdout]   --> src/lib.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 | use crc16::{crc16_arr, crc16};
[INFO] [stdout]    |             ^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `tokio_io::codec::length_delimited`: Moved to tokio-codec
[INFO] [stdout]   --> src/transport.rs:23:41
[INFO] [stdout]    |
[INFO] [stdout] 23 | use tokio_io::codec::{Encoder, Decoder, length_delimited};
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `tokio_io::length_delimited::FramedRead`: Moved to tokio-codec
[INFO] [stdout]    --> src/transport.rs:108:46
[INFO] [stdout]     |
[INFO] [stdout] 108 |             let deframed = length_delimited::FramedRead::new(socket);
[INFO] [stdout]     |                                              ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `tokio_io::length_delimited::FramedWrite`: Moved to tokio-codec
[INFO] [stdout]    --> src/transport.rs:143:44
[INFO] [stdout]     |
[INFO] [stdout] 143 |             let framed = length_delimited::FramedWrite::new(socket);
[INFO] [stdout]     |                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/model.rs:62:48
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub struct Process<A>(Vec<(Option<String>, Box<Fn(A) -> A>)>);
[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] 62 | pub struct Process<A>(Vec<(Option<String>, Box<dyn Fn(A) -> A>)>);
[INFO] [stdout]    |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/model.rs:72:29
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub invariants: Vec<Box<Fn(&A) -> bool>>,
[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] 72 |     pub invariants: Vec<Box<dyn Fn(&A) -> bool>>,
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/model.rs:73:49
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub processes: Vec<Vec<(Option<String>, Box<Fn(A) -> A>)>>,
[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] 73 |     pub processes: Vec<Vec<(Option<String>, Box<dyn Fn(A) -> A>)>>,
[INFO] [stdout]    |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/model.rs:65:41
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn new<'a>(steps: Vec<(&'a str, Box<Fn(A) -> A>)>) -> Process<A> {
[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] 65 |     fn new<'a>(steps: Vec<(&'a str, Box<dyn Fn(A) -> A>)>) -> Process<A> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `futures::sync::mpsc::UnboundedSender::<T>::send`: renamed to `unbounded_send`
[INFO] [stdout]   --> src/transport.rs:61:24
[INFO] [stdout]    |
[INFO] [stdout] 61 |                     tx.send(msg).unwrap();
[INFO] [stdout]    |                        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `peer`
[INFO] [stdout]   --> src/kernel.rs:38:20
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn ping(&self, peer: Peer) -> Result<(), ()> {
[INFO] [stdout]    |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_peer`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `peer`
[INFO] [stdout]   --> src/kernel.rs:42:21
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn purge(&self, peer: Peer) {}
[INFO] [stdout]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_peer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `note`
[INFO] [stdout]   --> src/model.rs:84:26
[INFO] [stdout]    |
[INFO] [stdout] 84 |                 let (ref note, ref f) = self.processes[choice][*index];
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_note`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `connections` is never read
[INFO] [stdout]   --> src/transport.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | struct TCPTransport<Rx, Tx> {
[INFO] [stdout]    |        ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 41 |     connections: Arc<RwLock<HashMap<SocketAddr, mpsc::UnboundedSender<Tx>>>>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/transport.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 44 | / impl<Rx, Tx> TCPTransport<Rx, Tx>
[INFO] [stdout] 45 | |     where Rx: Decodable + Send + 'static,
[INFO] [stdout] 46 | |           Tx: Encodable + Send + 'static
[INFO] [stdout]    | |________________________________________- associated function in this implementation
[INFO] [stdout] 47 |   {
[INFO] [stdout] 48 |       pub fn new(addr: SocketAddr) -> TCPTransport<Rx, Tx> {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `recv` is never used
[INFO] [stdout]   --> src/transport.rs:91:4
[INFO] [stdout]    |
[INFO] [stdout] 91 | fn recv<T>(addr: SocketAddr) -> Arc<MsQueue<(SocketAddr, T)>>
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `send` is never used
[INFO] [stdout]    --> src/transport.rs:130:4
[INFO] [stdout]     |
[INFO] [stdout] 130 | fn send<T>(addr: SocketAddr) -> mpsc::UnboundedSender<T>
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Connected` and `Disconnected` are never constructed
[INFO] [stdout]  --> src/kernel.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum PeerState {
[INFO] [stdout]   |          --------- variants in this enum
[INFO] [stdout] 2 |     Connected,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 3 |     Disconnected,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `state` and `addr` are never read
[INFO] [stdout]  --> src/kernel.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Peer {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 7 |     state: PeerState,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 8 |     addr: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `peers` is never read
[INFO] [stdout]   --> src/kernel.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct K {
[INFO] [stdout]    |            - field in this struct
[INFO] [stdout] 18 |     peers: Vec<Peer>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `cron` is never used
[INFO] [stdout]   --> src/kernel.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl K {
[INFO] [stdout]    | ------ method in this implementation
[INFO] [stdout] 28 |     fn cron(&self) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/model.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Runs {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 14 |     fn new<I>(inner: &Vec<Vec<I>>) -> Runs {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Process` is never constructed
[INFO] [stdout]   --> src/model.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub struct Process<A>(Vec<(Option<String>, Box<Fn(A) -> A>)>);
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/model.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 64 | impl<A> Process<A> {
[INFO] [stdout]    | ------------------ associated function in this implementation
[INFO] [stdout] 65 |     fn new<'a>(steps: Vec<(&'a str, Box<Fn(A) -> A>)>) -> Process<A> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `System` is never constructed
[INFO] [stdout]   --> src/model.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub struct System<A> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `test` is never used
[INFO] [stdout]   --> src/model.rs:77:8
[INFO] [stdout]    |
[INFO] [stdout] 76 | impl<A: Clone> System<A> {
[INFO] [stdout]    | ------------------------ method in this implementation
[INFO] [stdout] 77 |     fn test(&self) -> Result<(), String> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fact` is never used
[INFO] [stdout]    --> src/model.rs:101:4
[INFO] [stdout]     |
[INFO] [stdout] 101 | fn fact(n: usize) -> usize {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/transport.rs:109:50
[INFO] [stdout]     |
[INFO] [stdout] 109 |             let rx = deframed.map_err(|e| panic!(e))
[INFO] [stdout]     |                                                  ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 109 |             let rx = deframed.map_err(|e| panic!("{}", e))
[INFO] [stdout]     |                                                  +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 109 |             let rx = deframed.map_err(|e| std::panic::panic_any(e))
[INFO] [stdout]     |                                           ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/transport.rs:110:65
[INFO] [stdout]     |
[INFO] [stdout] 110 |                 .and_then(|buf| decode(&buf).map_err(|e| panic!(e)));
[INFO] [stdout]     |                                                                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 110 |                 .and_then(|buf| decode(&buf).map_err(|e| panic!("{}", e)));
[INFO] [stdout]     |                                                                 +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 110 |                 .and_then(|buf| decode(&buf).map_err(|e| std::panic::panic_any(e)));
[INFO] [stdout]     |                                                          ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/transport.rs:145:37
[INFO] [stdout]     |
[INFO] [stdout] 145 |                 .map_err(|e| panic!(e))
[INFO] [stdout]     |                                     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{:?}" format string to use the `Debug` implementation of `()`
[INFO] [stdout]     |
[INFO] [stdout] 145 |                 .map_err(|e| panic!("{:?}", e))
[INFO] [stdout]     |                                     +++++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 145 |                 .map_err(|e| std::panic::panic_any(e))
[INFO] [stdout]     |                              ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `futures::stream::MapErr` in tuple element 0 that must be used
[INFO] [stdout]    --> src/transport.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |         core.run(client).unwrap();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: streams do nothing unless polled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 53 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.13s
[INFO] running `Command { std: "docker" "inspect" "018bcb06eae68ef4156f396641818d9ab30f0295a64942e72a32d2c746de745b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "018bcb06eae68ef4156f396641818d9ab30f0295a64942e72a32d2c746de745b", kill_on_drop: false }`
[INFO] [stdout] 018bcb06eae68ef4156f396641818d9ab30f0295a64942e72a32d2c746de745b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3236c7681f883ffa1621b405830460a8f10881e3b602e08f32003c9be5e560e
[INFO] running `Command { std: "docker" "start" "-a" "a3236c7681f883ffa1621b405830460a8f10881e3b602e08f32003c9be5e560e", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/transport.rs:160:17
[INFO] [stdout]     |
[INFO] [stdout] 160 | #[derive(Debug, 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/transport.rs:160:33
[INFO] [stdout]     |
[INFO] [stdout] 160 | #[derive(Debug, RustcEncodable, RustcDecodable)]
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert`
[INFO] [stdout]  --> src/transport.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/transport.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/transport.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter`
[INFO] [stdout]  --> src/transport.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::iter;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/transport.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str`
[INFO] [stdout]  --> src/transport.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::str;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]  --> src/transport.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Handle`
[INFO] [stdout]   --> src/transport.rs:17:33
[INFO] [stdout]    |
[INFO] [stdout] 17 | use tokio_core::reactor::{Core, Handle};
[INFO] [stdout]    |                                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DecodingResult`
[INFO] [stdout]   --> src/transport.rs:20:48
[INFO] [stdout]    |
[INFO] [stdout] 20 | use bincode::rustc_serialize::{encode, decode, DecodingResult};
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json`
[INFO] [stdout]   --> src/transport.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use serde_json;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufMut`, `BytesMut`
[INFO] [stdout]   --> src/transport.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 | use bytes::{BufMut, BytesMut};
[INFO] [stdout]    |             ^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Decoder`, `Encoder`
[INFO] [stdout]   --> src/transport.rs:23:23
[INFO] [stdout]    |
[INFO] [stdout] 23 | use tokio_io::codec::{Encoder, Decoder, length_delimited};
[INFO] [stdout]    |                       ^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio_io::AsyncRead`
[INFO] [stdout]   --> src/transport.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | use tokio_io::AsyncRead;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `future`, `sink`
[INFO] [stdout]   --> src/transport.rs:25:15
[INFO] [stdout]    |
[INFO] [stdout] 25 | use futures::{future, sink, Sink, Stream, Future, IntoFuture};
[INFO] [stdout]    |               ^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SplitSink`, `SplitStream`, `self`
[INFO] [stdout]   --> src/transport.rs:26:23
[INFO] [stdout]    |
[INFO] [stdout] 26 | use futures::stream::{self, SplitSink, SplitStream};
[INFO] [stdout]    |                       ^^^^  ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `uuid::Uuid`
[INFO] [stdout]   --> src/transport.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | use uuid::Uuid;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `from_binary`, `to_binary`
[INFO] [stdout]   --> src/transport.rs:29:6
[INFO] [stdout]    |
[INFO] [stdout] 29 | use {to_binary, from_binary};
[INFO] [stdout]    |      ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `kernel::Peer`
[INFO] [stdout]   --> src/transport.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | use kernel::Peer;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/kernel.rs:13:20
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn ping(&self, Peer) -> Result<(), ()>;
[INFO] [stdout]    |                    ^^^^ help: try naming the parameter or explicitly ignoring it: `_: Peer`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/kernel.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn purge(&self, Peer);
[INFO] [stdout]    |                     ^^^^ help: try naming the parameter or explicitly ignoring it: `_: Peer`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `crc16_arr`, `crc16`
[INFO] [stdout]   --> src/lib.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 | use crc16::{crc16_arr, crc16};
[INFO] [stdout]    |             ^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `tokio_io::codec::length_delimited`: Moved to tokio-codec
[INFO] [stdout]   --> src/transport.rs:23:41
[INFO] [stdout]    |
[INFO] [stdout] 23 | use tokio_io::codec::{Encoder, Decoder, length_delimited};
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `tokio_io::length_delimited::FramedRead`: Moved to tokio-codec
[INFO] [stdout]    --> src/transport.rs:108:46
[INFO] [stdout]     |
[INFO] [stdout] 108 |             let deframed = length_delimited::FramedRead::new(socket);
[INFO] [stdout]     |                                              ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `tokio_io::length_delimited::FramedWrite`: Moved to tokio-codec
[INFO] [stdout]    --> src/transport.rs:143:44
[INFO] [stdout]     |
[INFO] [stdout] 143 |             let framed = length_delimited::FramedWrite::new(socket);
[INFO] [stdout]     |                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/model.rs:62:48
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub struct Process<A>(Vec<(Option<String>, Box<Fn(A) -> A>)>);
[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] 62 | pub struct Process<A>(Vec<(Option<String>, Box<dyn Fn(A) -> A>)>);
[INFO] [stdout]    |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/model.rs:72:29
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub invariants: Vec<Box<Fn(&A) -> bool>>,
[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] 72 |     pub invariants: Vec<Box<dyn Fn(&A) -> bool>>,
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/model.rs:73:49
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub processes: Vec<Vec<(Option<String>, Box<Fn(A) -> A>)>>,
[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] 73 |     pub processes: Vec<Vec<(Option<String>, Box<dyn Fn(A) -> A>)>>,
[INFO] [stdout]    |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/model.rs:65:41
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn new<'a>(steps: Vec<(&'a str, Box<Fn(A) -> A>)>) -> Process<A> {
[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] 65 |     fn new<'a>(steps: Vec<(&'a str, Box<dyn Fn(A) -> A>)>) -> Process<A> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `futures::sync::mpsc::UnboundedSender::<T>::send`: renamed to `unbounded_send`
[INFO] [stdout]   --> src/transport.rs:61:24
[INFO] [stdout]    |
[INFO] [stdout] 61 |                     tx.send(msg).unwrap();
[INFO] [stdout]    |                        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `peer`
[INFO] [stdout]   --> src/kernel.rs:38:20
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn ping(&self, peer: Peer) -> Result<(), ()> {
[INFO] [stdout]    |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_peer`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `peer`
[INFO] [stdout]   --> src/kernel.rs:42:21
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn purge(&self, peer: Peer) {}
[INFO] [stdout]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_peer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `note`
[INFO] [stdout]   --> src/model.rs:84:26
[INFO] [stdout]    |
[INFO] [stdout] 84 |                 let (ref note, ref f) = self.processes[choice][*index];
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_note`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `connections` is never read
[INFO] [stdout]   --> src/transport.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | struct TCPTransport<Rx, Tx> {
[INFO] [stdout]    |        ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 41 |     connections: Arc<RwLock<HashMap<SocketAddr, mpsc::UnboundedSender<Tx>>>>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/transport.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 44 | / impl<Rx, Tx> TCPTransport<Rx, Tx>
[INFO] [stdout] 45 | |     where Rx: Decodable + Send + 'static,
[INFO] [stdout] 46 | |           Tx: Encodable + Send + 'static
[INFO] [stdout]    | |________________________________________- associated function in this implementation
[INFO] [stdout] 47 |   {
[INFO] [stdout] 48 |       pub fn new(addr: SocketAddr) -> TCPTransport<Rx, Tx> {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `recv` is never used
[INFO] [stdout]   --> src/transport.rs:91:4
[INFO] [stdout]    |
[INFO] [stdout] 91 | fn recv<T>(addr: SocketAddr) -> Arc<MsQueue<(SocketAddr, T)>>
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `send` is never used
[INFO] [stdout]    --> src/transport.rs:130:4
[INFO] [stdout]     |
[INFO] [stdout] 130 | fn send<T>(addr: SocketAddr) -> mpsc::UnboundedSender<T>
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Connected` and `Disconnected` are never constructed
[INFO] [stdout]  --> src/kernel.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum PeerState {
[INFO] [stdout]   |          --------- variants in this enum
[INFO] [stdout] 2 |     Connected,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 3 |     Disconnected,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `state` and `addr` are never read
[INFO] [stdout]  --> src/kernel.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Peer {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 7 |     state: PeerState,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 8 |     addr: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `peers` is never read
[INFO] [stdout]   --> src/kernel.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct K {
[INFO] [stdout]    |            - field in this struct
[INFO] [stdout] 18 |     peers: Vec<Peer>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `cron` is never used
[INFO] [stdout]   --> src/kernel.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl K {
[INFO] [stdout]    | ------ method in this implementation
[INFO] [stdout] 28 |     fn cron(&self) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/model.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Runs {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 14 |     fn new<I>(inner: &Vec<Vec<I>>) -> Runs {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Process` is never constructed
[INFO] [stdout]   --> src/model.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub struct Process<A>(Vec<(Option<String>, Box<Fn(A) -> A>)>);
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/model.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 64 | impl<A> Process<A> {
[INFO] [stdout]    | ------------------ associated function in this implementation
[INFO] [stdout] 65 |     fn new<'a>(steps: Vec<(&'a str, Box<Fn(A) -> A>)>) -> Process<A> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `System` is never constructed
[INFO] [stdout]   --> src/model.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub struct System<A> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `test` is never used
[INFO] [stdout]   --> src/model.rs:77:8
[INFO] [stdout]    |
[INFO] [stdout] 76 | impl<A: Clone> System<A> {
[INFO] [stdout]    | ------------------------ method in this implementation
[INFO] [stdout] 77 |     fn test(&self) -> Result<(), String> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fact` is never used
[INFO] [stdout]    --> src/model.rs:101:4
[INFO] [stdout]     |
[INFO] [stdout] 101 | fn fact(n: usize) -> usize {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/transport.rs:109:50
[INFO] [stdout]     |
[INFO] [stdout] 109 |             let rx = deframed.map_err(|e| panic!(e))
[INFO] [stdout]     |                                                  ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 109 |             let rx = deframed.map_err(|e| panic!("{}", e))
[INFO] [stdout]     |                                                  +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 109 |             let rx = deframed.map_err(|e| std::panic::panic_any(e))
[INFO] [stdout]     |                                           ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/transport.rs:110:65
[INFO] [stdout]     |
[INFO] [stdout] 110 |                 .and_then(|buf| decode(&buf).map_err(|e| panic!(e)));
[INFO] [stdout]     |                                                                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 110 |                 .and_then(|buf| decode(&buf).map_err(|e| panic!("{}", e)));
[INFO] [stdout]     |                                                                 +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 110 |                 .and_then(|buf| decode(&buf).map_err(|e| std::panic::panic_any(e)));
[INFO] [stdout]     |                                                          ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/transport.rs:145:37
[INFO] [stdout]     |
[INFO] [stdout] 145 |                 .map_err(|e| panic!(e))
[INFO] [stdout]     |                                     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{:?}" format string to use the `Debug` implementation of `()`
[INFO] [stdout]     |
[INFO] [stdout] 145 |                 .map_err(|e| panic!("{:?}", e))
[INFO] [stdout]     |                                     +++++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 145 |                 .map_err(|e| std::panic::panic_any(e))
[INFO] [stdout]     |                              ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `futures::stream::MapErr` in tuple element 0 that must be used
[INFO] [stdout]    --> src/transport.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |         core.run(client).unwrap();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: streams do nothing unless polled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 53 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling quickcheck v0.2.27
[INFO] [stderr]    Compiling crack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/transport.rs:160:17
[INFO] [stdout]     |
[INFO] [stdout] 160 | #[derive(Debug, 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/transport.rs:160:33
[INFO] [stdout]     |
[INFO] [stdout] 160 | #[derive(Debug, RustcEncodable, RustcDecodable)]
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert`
[INFO] [stdout]  --> src/transport.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/transport.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/transport.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter`
[INFO] [stdout]  --> src/transport.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::iter;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/transport.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str`
[INFO] [stdout]  --> src/transport.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::str;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]  --> src/transport.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Handle`
[INFO] [stdout]   --> src/transport.rs:17:33
[INFO] [stdout]    |
[INFO] [stdout] 17 | use tokio_core::reactor::{Core, Handle};
[INFO] [stdout]    |                                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DecodingResult`
[INFO] [stdout]   --> src/transport.rs:20:48
[INFO] [stdout]    |
[INFO] [stdout] 20 | use bincode::rustc_serialize::{encode, decode, DecodingResult};
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json`
[INFO] [stdout]   --> src/transport.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use serde_json;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufMut`, `BytesMut`
[INFO] [stdout]   --> src/transport.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 | use bytes::{BufMut, BytesMut};
[INFO] [stdout]    |             ^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Decoder`, `Encoder`
[INFO] [stdout]   --> src/transport.rs:23:23
[INFO] [stdout]    |
[INFO] [stdout] 23 | use tokio_io::codec::{Encoder, Decoder, length_delimited};
[INFO] [stdout]    |                       ^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio_io::AsyncRead`
[INFO] [stdout]   --> src/transport.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | use tokio_io::AsyncRead;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `future`, `sink`
[INFO] [stdout]   --> src/transport.rs:25:15
[INFO] [stdout]    |
[INFO] [stdout] 25 | use futures::{future, sink, Sink, Stream, Future, IntoFuture};
[INFO] [stdout]    |               ^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SplitSink`, `SplitStream`, `self`
[INFO] [stdout]   --> src/transport.rs:26:23
[INFO] [stdout]    |
[INFO] [stdout] 26 | use futures::stream::{self, SplitSink, SplitStream};
[INFO] [stdout]    |                       ^^^^  ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `uuid::Uuid`
[INFO] [stdout]   --> src/transport.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | use uuid::Uuid;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `from_binary`, `to_binary`
[INFO] [stdout]   --> src/transport.rs:29:6
[INFO] [stdout]    |
[INFO] [stdout] 29 | use {to_binary, from_binary};
[INFO] [stdout]    |      ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `kernel::Peer`
[INFO] [stdout]   --> src/transport.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | use kernel::Peer;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/kernel.rs:13:20
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn ping(&self, Peer) -> Result<(), ()>;
[INFO] [stdout]    |                    ^^^^ help: try naming the parameter or explicitly ignoring it: `_: Peer`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/kernel.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn purge(&self, Peer);
[INFO] [stdout]    |                     ^^^^ help: try naming the parameter or explicitly ignoring it: `_: Peer`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `crc16_arr`, `crc16`
[INFO] [stdout]   --> src/lib.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 | use crc16::{crc16_arr, crc16};
[INFO] [stdout]    |             ^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `tokio_io::codec::length_delimited`: Moved to tokio-codec
[INFO] [stdout]   --> src/transport.rs:23:41
[INFO] [stdout]    |
[INFO] [stdout] 23 | use tokio_io::codec::{Encoder, Decoder, length_delimited};
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `tokio_io::length_delimited::FramedRead`: Moved to tokio-codec
[INFO] [stdout]    --> src/transport.rs:108:46
[INFO] [stdout]     |
[INFO] [stdout] 108 |             let deframed = length_delimited::FramedRead::new(socket);
[INFO] [stdout]     |                                              ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `tokio_io::length_delimited::FramedWrite`: Moved to tokio-codec
[INFO] [stdout]    --> src/transport.rs:143:44
[INFO] [stdout]     |
[INFO] [stdout] 143 |             let framed = length_delimited::FramedWrite::new(socket);
[INFO] [stdout]     |                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]    --> src/transport.rs:172:17
[INFO] [stdout]     |
[INFO] [stdout] 172 |         thread::sleep_ms(300);
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/model.rs:62:48
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub struct Process<A>(Vec<(Option<String>, Box<Fn(A) -> A>)>);
[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] 62 | pub struct Process<A>(Vec<(Option<String>, Box<dyn Fn(A) -> A>)>);
[INFO] [stdout]    |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/model.rs:72:29
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub invariants: Vec<Box<Fn(&A) -> bool>>,
[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] 72 |     pub invariants: Vec<Box<dyn Fn(&A) -> bool>>,
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/model.rs:73:49
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub processes: Vec<Vec<(Option<String>, Box<Fn(A) -> A>)>>,
[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] 73 |     pub processes: Vec<Vec<(Option<String>, Box<dyn Fn(A) -> A>)>>,
[INFO] [stdout]    |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/model.rs:65:41
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn new<'a>(steps: Vec<(&'a str, Box<Fn(A) -> A>)>) -> Process<A> {
[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] 65 |     fn new<'a>(steps: Vec<(&'a str, Box<dyn Fn(A) -> A>)>) -> Process<A> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `futures::sync::mpsc::UnboundedSender::<T>::send`: renamed to `unbounded_send`
[INFO] [stdout]   --> src/transport.rs:61:24
[INFO] [stdout]    |
[INFO] [stdout] 61 |                     tx.send(msg).unwrap();
[INFO] [stdout]    |                        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/transport.rs:180:13
[INFO] [stdout]     |
[INFO] [stdout] 180 |         for i in 1..4 {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `peer`
[INFO] [stdout]   --> src/kernel.rs:38:20
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn ping(&self, peer: Peer) -> Result<(), ()> {
[INFO] [stdout]    |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_peer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `peer`
[INFO] [stdout]   --> src/kernel.rs:42:21
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn purge(&self, peer: Peer) {}
[INFO] [stdout]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_peer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `note`
[INFO] [stdout]   --> src/model.rs:84:26
[INFO] [stdout]    |
[INFO] [stdout] 84 |                 let (ref note, ref f) = self.processes[choice][*index];
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_note`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `connections` is never read
[INFO] [stdout]   --> src/transport.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | struct TCPTransport<Rx, Tx> {
[INFO] [stdout]    |        ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 41 |     connections: Arc<RwLock<HashMap<SocketAddr, mpsc::UnboundedSender<Tx>>>>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/transport.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 44 | / impl<Rx, Tx> TCPTransport<Rx, Tx>
[INFO] [stdout] 45 | |     where Rx: Decodable + Send + 'static,
[INFO] [stdout] 46 | |           Tx: Encodable + Send + 'static
[INFO] [stdout]    | |________________________________________- associated function in this implementation
[INFO] [stdout] 47 |   {
[INFO] [stdout] 48 |       pub fn new(addr: SocketAddr) -> TCPTransport<Rx, Tx> {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Connected` and `Disconnected` are never constructed
[INFO] [stdout]  --> src/kernel.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum PeerState {
[INFO] [stdout]   |          --------- variants in this enum
[INFO] [stdout] 2 |     Connected,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 3 |     Disconnected,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `state` and `addr` are never read
[INFO] [stdout]  --> src/kernel.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Peer {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 7 |     state: PeerState,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 8 |     addr: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `peers` is never read
[INFO] [stdout]   --> src/kernel.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct K {
[INFO] [stdout]    |            - field in this struct
[INFO] [stdout] 18 |     peers: Vec<Peer>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `cron` is never used
[INFO] [stdout]   --> src/kernel.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl K {
[INFO] [stdout]    | ------ method in this implementation
[INFO] [stdout] 28 |     fn cron(&self) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Inner` is never constructed
[INFO] [stdout]   --> src/fsm.rs:39:16
[INFO] [stdout]    |
[INFO] [stdout] 39 |         struct Inner {
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fact` is never used
[INFO] [stdout]    --> src/model.rs:101:4
[INFO] [stdout]     |
[INFO] [stdout] 101 | fn fact(n: usize) -> usize {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/transport.rs:109:50
[INFO] [stdout]     |
[INFO] [stdout] 109 |             let rx = deframed.map_err(|e| panic!(e))
[INFO] [stdout]     |                                                  ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 109 |             let rx = deframed.map_err(|e| panic!("{}", e))
[INFO] [stdout]     |                                                  +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 109 |             let rx = deframed.map_err(|e| std::panic::panic_any(e))
[INFO] [stdout]     |                                           ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/transport.rs:110:65
[INFO] [stdout]     |
[INFO] [stdout] 110 |                 .and_then(|buf| decode(&buf).map_err(|e| panic!(e)));
[INFO] [stdout]     |                                                                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 110 |                 .and_then(|buf| decode(&buf).map_err(|e| panic!("{}", e)));
[INFO] [stdout]     |                                                                 +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 110 |                 .and_then(|buf| decode(&buf).map_err(|e| std::panic::panic_any(e)));
[INFO] [stdout]     |                                                          ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/transport.rs:145:37
[INFO] [stdout]     |
[INFO] [stdout] 145 |                 .map_err(|e| panic!(e))
[INFO] [stdout]     |                                     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{:?}" format string to use the `Debug` implementation of `()`
[INFO] [stdout]     |
[INFO] [stdout] 145 |                 .map_err(|e| panic!("{:?}", e))
[INFO] [stdout]     |                                     +++++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 145 |                 .map_err(|e| std::panic::panic_any(e))
[INFO] [stdout]     |                              ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `futures::stream::MapErr` in tuple element 0 that must be used
[INFO] [stdout]    --> src/transport.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |         core.run(client).unwrap();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: streams do nothing unless polled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 49 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.95s
[INFO] running `Command { std: "docker" "inspect" "a3236c7681f883ffa1621b405830460a8f10881e3b602e08f32003c9be5e560e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3236c7681f883ffa1621b405830460a8f10881e3b602e08f32003c9be5e560e", kill_on_drop: false }`
[INFO] [stdout] a3236c7681f883ffa1621b405830460a8f10881e3b602e08f32003c9be5e560e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5a689cfb7d547b43076c10d346670f9f72688103295d57b4603960672c41c735
[INFO] running `Command { std: "docker" "start" "-a" "5a689cfb7d547b43076c10d346670f9f72688103295d57b4603960672c41c735", kill_on_drop: false }`
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stderr]    --> src/transport.rs:160:17
[INFO] [stderr]     |
[INFO] [stderr] 160 | #[derive(Debug, RustcEncodable, RustcDecodable)]
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stderr]    --> src/transport.rs:160:33
[INFO] [stderr]     |
[INFO] [stderr] 160 | #[derive(Debug, RustcEncodable, RustcDecodable)]
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::convert`
[INFO] [stderr]  --> src/transport.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::convert;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cell::RefCell`
[INFO] [stderr]  --> src/transport.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::cell::RefCell;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/transport.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::iter`
[INFO] [stderr]  --> src/transport.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::iter;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::rc::Rc`
[INFO] [stderr]  --> src/transport.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::rc::Rc;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]  --> src/transport.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::str;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::marker::PhantomData`
[INFO] [stderr]  --> src/transport.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::marker::PhantomData;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Handle`
[INFO] [stderr]   --> src/transport.rs:17:33
[INFO] [stderr]    |
[INFO] [stderr] 17 | use tokio_core::reactor::{Core, Handle};
[INFO] [stderr]    |                                 ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `DecodingResult`
[INFO] [stderr]   --> src/transport.rs:20:48
[INFO] [stderr]    |
[INFO] [stderr] 20 | use bincode::rustc_serialize::{encode, decode, DecodingResult};
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serde_json`
[INFO] [stderr]   --> src/transport.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | use serde_json;
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BufMut`, `BytesMut`
[INFO] [stderr]   --> src/transport.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 | use bytes::{BufMut, BytesMut};
[INFO] [stderr]    |             ^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Decoder`, `Encoder`
[INFO] [stderr]   --> src/transport.rs:23:23
[INFO] [stderr]    |
[INFO] [stderr] 23 | use tokio_io::codec::{Encoder, Decoder, length_delimited};
[INFO] [stderr]    |                       ^^^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio_io::AsyncRead`
[INFO] [stderr]   --> src/transport.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 | use tokio_io::AsyncRead;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `future`, `sink`
[INFO] [stderr]   --> src/transport.rs:25:15
[INFO] [stderr]    |
[INFO] [stderr] 25 | use futures::{future, sink, Sink, Stream, Future, IntoFuture};
[INFO] [stderr]    |               ^^^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `SplitSink`, `SplitStream`, `self`
[INFO] [stderr]   --> src/transport.rs:26:23
[INFO] [stderr]    |
[INFO] [stderr] 26 | use futures::stream::{self, SplitSink, SplitStream};
[INFO] [stderr]    |                       ^^^^  ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `uuid::Uuid`
[INFO] [stderr]   --> src/transport.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 | use uuid::Uuid;
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `from_binary`, `to_binary`
[INFO] [stderr]   --> src/transport.rs:29:6
[INFO] [stderr]    |
[INFO] [stderr] 29 | use {to_binary, from_binary};
[INFO] [stderr]    |      ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `kernel::Peer`
[INFO] [stderr]   --> src/transport.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 | use kernel::Peer;
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]   --> src/kernel.rs:13:20
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn ping(&self, Peer) -> Result<(), ()>;
[INFO] [stderr]    |                    ^^^^ help: try naming the parameter or explicitly ignoring it: `_: Peer`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]   --> src/kernel.rs:14:21
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn purge(&self, Peer);
[INFO] [stderr]    |                     ^^^^ help: try naming the parameter or explicitly ignoring it: `_: Peer`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `crc16_arr`, `crc16`
[INFO] [stderr]   --> src/lib.rs:29:13
[INFO] [stderr]    |
[INFO] [stderr] 29 | use crc16::{crc16_arr, crc16};
[INFO] [stderr]    |             ^^^^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated module `tokio_io::codec::length_delimited`: Moved to tokio-codec
[INFO] [stderr]   --> src/transport.rs:23:41
[INFO] [stderr]    |
[INFO] [stderr] 23 | use tokio_io::codec::{Encoder, Decoder, length_delimited};
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated struct `tokio_io::length_delimited::FramedRead`: Moved to tokio-codec
[INFO] [stderr]    --> src/transport.rs:108:46
[INFO] [stderr]     |
[INFO] [stderr] 108 |             let deframed = length_delimited::FramedRead::new(socket);
[INFO] [stderr]     |                                              ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated struct `tokio_io::length_delimited::FramedWrite`: Moved to tokio-codec
[INFO] [stderr]    --> src/transport.rs:143:44
[INFO] [stderr]     |
[INFO] [stderr] 143 |             let framed = length_delimited::FramedWrite::new(socket);
[INFO] [stderr]     |                                            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/model.rs:62:48
[INFO] [stderr]    |
[INFO] [stderr] 62 | pub struct Process<A>(Vec<(Option<String>, Box<Fn(A) -> A>)>);
[INFO] [stderr]    |                                                ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 62 | pub struct Process<A>(Vec<(Option<String>, Box<dyn Fn(A) -> A>)>);
[INFO] [stderr]    |                                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/model.rs:72:29
[INFO] [stderr]    |
[INFO] [stderr] 72 |     pub invariants: Vec<Box<Fn(&A) -> bool>>,
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 72 |     pub invariants: Vec<Box<dyn Fn(&A) -> bool>>,
[INFO] [stderr]    |                             +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/model.rs:73:49
[INFO] [stderr]    |
[INFO] [stderr] 73 |     pub processes: Vec<Vec<(Option<String>, Box<Fn(A) -> A>)>>,
[INFO] [stderr]    |                                                 ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 73 |     pub processes: Vec<Vec<(Option<String>, Box<dyn Fn(A) -> A>)>>,
[INFO] [stderr]    |                                                 +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/model.rs:65:41
[INFO] [stderr]    |
[INFO] [stderr] 65 |     fn new<'a>(steps: Vec<(&'a str, Box<Fn(A) -> A>)>) -> Process<A> {
[INFO] [stderr]    |                                         ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 65 |     fn new<'a>(steps: Vec<(&'a str, Box<dyn Fn(A) -> A>)>) -> Process<A> {
[INFO] [stderr]    |                                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `futures::sync::mpsc::UnboundedSender::<T>::send`: renamed to `unbounded_send`
[INFO] [stderr]   --> src/transport.rs:61:24
[INFO] [stderr]    |
[INFO] [stderr] 61 |                     tx.send(msg).unwrap();
[INFO] [stderr]    |                        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `peer`
[INFO] [stderr]   --> src/kernel.rs:38:20
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn ping(&self, peer: Peer) -> Result<(), ()> {
[INFO] [stderr]    |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_peer`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `peer`
[INFO] [stderr]   --> src/kernel.rs:42:21
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn purge(&self, peer: Peer) {}
[INFO] [stderr]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_peer`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `note`
[INFO] [stderr]   --> src/model.rs:84:26
[INFO] [stderr]    |
[INFO] [stderr] 84 |                 let (ref note, ref f) = self.processes[choice][*index];
[INFO] [stderr]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_note`
[INFO] [stderr] 
[INFO] [stderr] warning: field `connections` is never read
[INFO] [stderr]   --> src/transport.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 38 | struct TCPTransport<Rx, Tx> {
[INFO] [stderr]    |        ------------ field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 41 |     connections: Arc<RwLock<HashMap<SocketAddr, mpsc::UnboundedSender<Tx>>>>,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/transport.rs:48:12
[INFO] [stderr]    |
[INFO] [stderr] 44 | / impl<Rx, Tx> TCPTransport<Rx, Tx>
[INFO] [stderr] 45 | |     where Rx: Decodable + Send + 'static,
[INFO] [stderr] 46 | |           Tx: Encodable + Send + 'static
[INFO] [stderr]    | |________________________________________- associated function in this implementation
[INFO] [stderr] 47 |   {
[INFO] [stderr] 48 |       pub fn new(addr: SocketAddr) -> TCPTransport<Rx, Tx> {
[INFO] [stderr]    |              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `recv` is never used
[INFO] [stderr]   --> src/transport.rs:91:4
[INFO] [stderr]    |
[INFO] [stderr] 91 | fn recv<T>(addr: SocketAddr) -> Arc<MsQueue<(SocketAddr, T)>>
[INFO] [stderr]    |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `send` is never used
[INFO] [stderr]    --> src/transport.rs:130:4
[INFO] [stderr]     |
[INFO] [stderr] 130 | fn send<T>(addr: SocketAddr) -> mpsc::UnboundedSender<T>
[INFO] [stderr]     |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Connected` and `Disconnected` are never constructed
[INFO] [stderr]  --> src/kernel.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub enum PeerState {
[INFO] [stderr]   |          --------- variants in this enum
[INFO] [stderr] 2 |     Connected,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 3 |     Disconnected,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `state` and `addr` are never read
[INFO] [stderr]  --> src/kernel.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub struct Peer {
[INFO] [stderr]   |            ---- fields in this struct
[INFO] [stderr] 7 |     state: PeerState,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 8 |     addr: String,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `peers` is never read
[INFO] [stderr]   --> src/kernel.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub struct K {
[INFO] [stderr]    |            - field in this struct
[INFO] [stderr] 18 |     peers: Vec<Peer>,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `cron` is never used
[INFO] [stderr]   --> src/kernel.rs:28:8
[INFO] [stderr]    |
[INFO] [stderr] 27 | impl K {
[INFO] [stderr]    | ------ method in this implementation
[INFO] [stderr] 28 |     fn cron(&self) {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/model.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 13 | impl Runs {
[INFO] [stderr]    | --------- associated function in this implementation
[INFO] [stderr] 14 |     fn new<I>(inner: &Vec<Vec<I>>) -> Runs {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Process` is never constructed
[INFO] [stderr]   --> src/model.rs:62:12
[INFO] [stderr]    |
[INFO] [stderr] 62 | pub struct Process<A>(Vec<(Option<String>, Box<Fn(A) -> A>)>);
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/model.rs:65:8
[INFO] [stderr]    |
[INFO] [stderr] 64 | impl<A> Process<A> {
[INFO] [stderr]    | ------------------ associated function in this implementation
[INFO] [stderr] 65 |     fn new<'a>(steps: Vec<(&'a str, Box<Fn(A) -> A>)>) -> Process<A> {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `System` is never constructed
[INFO] [stderr]   --> src/model.rs:70:12
[INFO] [stderr]    |
[INFO] [stderr] 70 | pub struct System<A> {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `test` is never used
[INFO] [stderr]   --> src/model.rs:77:8
[INFO] [stderr]    |
[INFO] [stderr] 76 | impl<A: Clone> System<A> {
[INFO] [stderr]    | ------------------------ method in this implementation
[INFO] [stderr] 77 |     fn test(&self) -> Result<(), String> {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `fact` is never used
[INFO] [stderr]    --> src/model.rs:101:4
[INFO] [stderr]     |
[INFO] [stderr] 101 | fn fact(n: usize) -> usize {
[INFO] [stderr]     |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/transport.rs:109:50
[INFO] [stderr]     |
[INFO] [stderr] 109 |             let rx = deframed.map_err(|e| panic!(e))
[INFO] [stderr]     |                                                  ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]     |
[INFO] [stderr] 109 |             let rx = deframed.map_err(|e| panic!("{}", e))
[INFO] [stderr]     |                                                  +++++
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]     |
[INFO] [stderr] 109 |             let rx = deframed.map_err(|e| std::panic::panic_any(e))
[INFO] [stderr]     |                                           ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/transport.rs:110:65
[INFO] [stderr]     |
[INFO] [stderr] 110 |                 .and_then(|buf| decode(&buf).map_err(|e| panic!(e)));
[INFO] [stderr]     |                                                                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]     |
[INFO] [stderr] 110 |                 .and_then(|buf| decode(&buf).map_err(|e| panic!("{}", e)));
[INFO] [stderr]     |                                                                 +++++
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]     |
[INFO] [stderr] 110 |                 .and_then(|buf| decode(&buf).map_err(|e| std::panic::panic_any(e)));
[INFO] [stderr]     |                                                          ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/transport.rs:145:37
[INFO] [stderr]     |
[INFO] [stderr] 145 |                 .map_err(|e| panic!(e))
[INFO] [stderr]     |                                     ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{:?}" format string to use the `Debug` implementation of `()`
[INFO] [stderr]     |
[INFO] [stderr] 145 |                 .map_err(|e| panic!("{:?}", e))
[INFO] [stderr]     |                                     +++++++
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]     |
[INFO] [stderr] 145 |                 .map_err(|e| std::panic::panic_any(e))
[INFO] [stderr]     |                              ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] 
[INFO] [stderr] warning: unused `futures::stream::MapErr` in tuple element 0 that must be used
[INFO] [stderr]    --> src/transport.rs:151:9
[INFO] [stderr]     |
[INFO] [stderr] 151 |         core.run(client).unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: streams do nothing unless polled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stderr]    --> src/transport.rs:172:17
[INFO] [stderr]     |
[INFO] [stderr] 172 |         thread::sleep_ms(300);
[INFO] [stderr]     |                 ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/transport.rs:180:13
[INFO] [stderr]     |
[INFO] [stderr] 180 |         for i in 1..4 {
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `peer`
[INFO] [stderr]   --> src/kernel.rs:38:20
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn ping(&self, peer: Peer) -> Result<(), ()> {
[INFO] [stderr]    |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_peer`
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Inner` is never constructed
[INFO] [stderr]   --> src/fsm.rs:39:16
[INFO] [stderr]    |
[INFO] [stderr] 39 |         struct Inner {
[INFO] [stderr]    |                ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `crack` (lib) generated 53 warnings (run `cargo fix --lib -p crack` to apply 31 suggestions)
[INFO] [stderr] warning: `crack` (lib test) generated 49 warnings (45 duplicates) (run `cargo fix --lib -p crack --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/crack-b7185b15f1bdc060)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test fsm::tests::it_works ... ignored
[INFO] [stderr] thread 'transport::tests::it_works' panicked at library/core/src/panicking.rs:136:5:
[INFO] [stderr] attempted to leave type `(core::net::socket_addr::SocketAddr, transport::Msg)` uninitialized, which is invalid
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55e9434a1d9c - std::backtrace_rs::backtrace::libunwind::trace::ha637c64ce894333a
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stderr]    1:     0x55e9434a1d9c - std::backtrace_rs::backtrace::trace_unsynchronized::h47f62dea28e0c88d
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]    2:     0x55e9434a1d9c - std::sys_common::backtrace::_print_fmt::h9eef0abe20ede486
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]    3:     0x55e9434a1d9c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hed7f999df88cc644
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]    4:     0x55e9434ce220 - core::fmt::rt::Argument::fmt::h1539a9308b8d058d
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/rt.rs:142:9
[INFO] [stderr]    5:     0x55e9434ce220 - core::fmt::write::h3a39390d8560d9c9
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/mod.rs:1120:17
[INFO] [stderr]    6:     0x55e94349f26f - std::io::Write::write_fmt::h5fc9997dfe05f882
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/io/mod.rs:1762:15
[INFO] [stderr]    7:     0x55e9434a1b84 - std::sys_common::backtrace::_print::h894006fb5c6f3d45
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]    8:     0x55e9434a1b84 - std::sys_common::backtrace::print::h23a2d212c6fff936
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]    9:     0x55e9434a3847 - std::panicking::default_hook::{{closure}}::h8a1d2ee00185001a
[INFO] [stderr]   10:     0x55e9434a35af - std::panicking::default_hook::h6038f2eba384e475
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:292:9
[INFO] [stderr]   11:     0x55e94336c677 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h0ad024c9bdc6d768
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2021:9
[INFO] [stderr]   12:     0x55e94336c677 - test::test_main::{{closure}}::h7500b54257359db6
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:138:21
[INFO] [stderr]   13:     0x55e9434a3e58 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h1f8f335eaa9cfaee
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2021:9
[INFO] [stderr]   14:     0x55e9434a3e58 - std::panicking::rust_panic_with_hook::h2b5517d590cab22e
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:783:13
[INFO] [stderr]   15:     0x55e9434a3b79 - std::panicking::begin_panic_handler::{{closure}}::h233112c06e0ef43e
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:649:13
[INFO] [stderr]   16:     0x55e9434a2266 - std::sys_common::backtrace::__rust_end_short_backtrace::h6e893f24d7ebbff8
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:170:18
[INFO] [stderr]   17:     0x55e9434a3912 - rust_begin_unwind
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:645:5
[INFO] [stderr]   18:     0x55e943308d98 - core::panicking::panic_nounwind_fmt::h8767c3f35819d636
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panicking.rs:106:14
[INFO] [stderr]   19:     0x55e943308e49 - core::panicking::panic_nounwind::hc8f9b5bcc0dbae89
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panicking.rs:136:5
[INFO] [stderr]   20:     0x55e9433170df - core::mem::uninitialized::h825e34f3dd7c925d
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/mem/mod.rs:693:9
[INFO] [stderr]   21:     0x55e9433170df - crossbeam::sync::ms_queue::MsQueue<T>::new::hbae1af3b794158d2
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/crossbeam-0.2.12/src/sync/ms_queue.rs:66:45
[INFO] [stderr]   22:     0x55e943318dfb - crack::transport::recv::h7740585991fa2961
[INFO] [stderr]                                at /opt/rustwide/workdir/src/transport.rs:95:25
[INFO] [stderr]   23:     0x55e94331ad49 - crack::transport::tests::it_works::h8a58f832a0924d38
[INFO] [stderr]                                at /opt/rustwide/workdir/src/transport.rs:171:18
[INFO] [stderr]   24:     0x55e94331acd7 - crack::transport::tests::it_works::{{closure}}::hb9194dc1b4750c42
[INFO] [stderr]                                at /opt/rustwide/workdir/src/transport.rs:170:18
[INFO] [stderr]   25:     0x55e94332d3b6 - core::ops::function::FnOnce::call_once::hc20a9b0bd3730120
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   26:     0x55e943371ccf - core::ops::function::FnOnce::call_once::h2b5d431d5046312d
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   27:     0x55e943371ccf - test::__rust_begin_short_backtrace::h7714669af176e207
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:628:18
[INFO] [stderr]   28:     0x55e943370ce5 - test::run_test_in_process::{{closure}}::h85218797dcbcec12
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:651:60
[INFO] [stderr]   29:     0x55e943370ce5 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h76c106ea31c14d7b
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stderr]   30:     0x55e943370ce5 - std::panicking::try::do_call::h3bd5d0f6620ee946
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stderr]   31:     0x55e943370ce5 - std::panicking::try::h232e535e4744fe31
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stderr]   32:     0x55e943370ce5 - std::panic::catch_unwind::h3ce3bd6ca8dbac68
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stderr]   33:     0x55e943370ce5 - test::run_test_in_process::hc97b257c9621286a
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:651:27
[INFO] [stderr]   34:     0x55e943370ce5 - test::run_test::{{closure}}::h2aa798823a438d38
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:574:43
[INFO] [stderr]   35:     0x55e943338fa6 - test::run_test::{{closure}}::h87d231c78fb59832
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:602:41
[INFO] [stderr]   36:     0x55e943338fa6 - std::sys_common::backtrace::__rust_begin_short_backtrace::he6df152596625789
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:154:18
[INFO] [stderr]   37:     0x55e94333e057 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::ha94be15d1e0acf36
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/thread/mod.rs:529:17
[INFO] [stderr]   38:     0x55e94333e057 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9dc6bd6372f16606
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stderr]   39:     0x55e94333e057 - std::panicking::try::do_call::h9057517f80303cd4
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stderr]   40:     0x55e94333e057 - std::panicking::try::he3a30b11ee45340c
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stderr]   41:     0x55e94333e057 - std::panic::catch_unwind::h410458cfd3528b8b
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stderr]   42:     0x55e94333e057 - std::thread::Builder::spawn_unchecked_::{{closure}}::h72ac3bdb567b737b
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/thread/mod.rs:528:30
[INFO] [stderr]   43:     0x55e94333e057 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h38f34da3654a8344
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   44:     0x55e9434a8985 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hc7eafaff61e32df9
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2007:9
[INFO] [stderr]   45:     0x55e9434a8985 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6ba4a5de48dd2304
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2007:9
[INFO] [stderr]   46:     0x55e9434a8985 - std::sys::unix::thread::Thread::new::thread_start::he469335aef763e45
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stderr]   47:     0x7f3f4f82aac3 - <unknown>
[INFO] [stderr]   48:     0x7f3f4f8bbbf4 - __clone
[INFO] [stderr]   49:                0x0 - <unknown>
[INFO] [stderr] thread caused non-unwinding panic. aborting.
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/crack-b7185b15f1bdc060` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "5a689cfb7d547b43076c10d346670f9f72688103295d57b4603960672c41c735", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a689cfb7d547b43076c10d346670f9f72688103295d57b4603960672c41c735", kill_on_drop: false }`
[INFO] [stdout] 5a689cfb7d547b43076c10d346670f9f72688103295d57b4603960672c41c735
[INFO] testing crack-0.1.0 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate crack 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate crack 0.1.0 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate crack 0.1.0
[INFO] finished tweaking crates.io crate crack 0.1.0
[INFO] tweaked toml for crates.io crate crack 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "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" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7adfa8f1e0933503606b87bf0b21fcdfa143bf1d0fbc49533d7ddbe1e8db7865
[INFO] running `Command { std: "docker" "start" "-a" "7adfa8f1e0933503606b87bf0b21fcdfa143bf1d0fbc49533d7ddbe1e8db7865", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7adfa8f1e0933503606b87bf0b21fcdfa143bf1d0fbc49533d7ddbe1e8db7865", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7adfa8f1e0933503606b87bf0b21fcdfa143bf1d0fbc49533d7ddbe1e8db7865", kill_on_drop: false }`
[INFO] [stdout] 7adfa8f1e0933503606b87bf0b21fcdfa143bf1d0fbc49533d7ddbe1e8db7865
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82545729ddcb56c00ac2c4a985c91783842dfae1d21f097e8adbef729b4fde7e
[INFO] running `Command { std: "docker" "start" "-a" "82545729ddcb56c00ac2c4a985c91783842dfae1d21f097e8adbef729b4fde7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.75
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling serde v1.0.194
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling gimli v0.28.1
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling ucd-util v0.1.10
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.23
[INFO] [stderr]    Compiling utf8-ranges v1.0.5
[INFO] [stderr]    Compiling serde v0.9.15
[INFO] [stderr]    Compiling object v0.32.2
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.39
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling crossbeam-deque v0.7.4
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.2
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling tokio-sync v0.1.8
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling tokio-timer v0.2.13
[INFO] [stderr]    Compiling addr2line v0.21.0
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling rustc-serialize v0.3.25
[INFO] [stderr]    Compiling serde v0.8.23
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio-fs v0.1.7
[INFO] [stderr]    Compiling tokio-uds v0.2.7
[INFO] [stderr]    Compiling tokio-udp v0.1.6
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]    Compiling scoped-tls v0.1.2
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling uuid v0.4.0
[INFO] [stderr]    Compiling serde_derive v0.9.15
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling crossbeam v0.2.12
[INFO] [stderr]    Compiling tokio-core v0.1.18
[INFO] [stderr]    Compiling bincode v0.9.2
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stderr]    Compiling bincode v0.6.1
[INFO] [stderr]    Compiling serde_derive v1.0.194
[INFO] [stderr]    Compiling error-chain v0.9.0
[INFO] [stderr]    Compiling crdts v1.3.0
[INFO] [stderr]    Compiling crack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/transport.rs:160:17
[INFO] [stdout]     |
[INFO] [stdout] 160 | #[derive(Debug, 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/transport.rs:160:33
[INFO] [stdout]     |
[INFO] [stdout] 160 | #[derive(Debug, RustcEncodable, RustcDecodable)]
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert`
[INFO] [stdout]  --> src/transport.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/transport.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/transport.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter`
[INFO] [stdout]  --> src/transport.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::iter;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/transport.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str`
[INFO] [stdout]  --> src/transport.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::str;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]  --> src/transport.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Handle`
[INFO] [stdout]   --> src/transport.rs:17:33
[INFO] [stdout]    |
[INFO] [stdout] 17 | use tokio_core::reactor::{Core, Handle};
[INFO] [stdout]    |                                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DecodingResult`
[INFO] [stdout]   --> src/transport.rs:20:48
[INFO] [stdout]    |
[INFO] [stdout] 20 | use bincode::rustc_serialize::{encode, decode, DecodingResult};
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json`
[INFO] [stdout]   --> src/transport.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use serde_json;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufMut`, `BytesMut`
[INFO] [stdout]   --> src/transport.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 | use bytes::{BufMut, BytesMut};
[INFO] [stdout]    |             ^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Decoder`, `Encoder`
[INFO] [stdout]   --> src/transport.rs:23:23
[INFO] [stdout]    |
[INFO] [stdout] 23 | use tokio_io::codec::{Encoder, Decoder, length_delimited};
[INFO] [stdout]    |                       ^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio_io::AsyncRead`
[INFO] [stdout]   --> src/transport.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | use tokio_io::AsyncRead;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `future`, `sink`
[INFO] [stdout]   --> src/transport.rs:25:15
[INFO] [stdout]    |
[INFO] [stdout] 25 | use futures::{future, sink, Sink, Stream, Future, IntoFuture};
[INFO] [stdout]    |               ^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SplitSink`, `SplitStream`, `self`
[INFO] [stdout]   --> src/transport.rs:26:23
[INFO] [stdout]    |
[INFO] [stdout] 26 | use futures::stream::{self, SplitSink, SplitStream};
[INFO] [stdout]    |                       ^^^^  ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `uuid::Uuid`
[INFO] [stdout]   --> src/transport.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | use uuid::Uuid;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `from_binary`, `to_binary`
[INFO] [stdout]   --> src/transport.rs:29:6
[INFO] [stdout]    |
[INFO] [stdout] 29 | use {to_binary, from_binary};
[INFO] [stdout]    |      ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `kernel::Peer`
[INFO] [stdout]   --> src/transport.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | use kernel::Peer;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/kernel.rs:13:20
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn ping(&self, Peer) -> Result<(), ()>;
[INFO] [stdout]    |                    ^^^^ help: try naming the parameter or explicitly ignoring it: `_: Peer`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/kernel.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn purge(&self, Peer);
[INFO] [stdout]    |                     ^^^^ help: try naming the parameter or explicitly ignoring it: `_: Peer`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `crc16_arr`, `crc16`
[INFO] [stdout]   --> src/lib.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 | use crc16::{crc16_arr, crc16};
[INFO] [stdout]    |             ^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `tokio_io::codec::length_delimited`: Moved to tokio-codec
[INFO] [stdout]   --> src/transport.rs:23:41
[INFO] [stdout]    |
[INFO] [stdout] 23 | use tokio_io::codec::{Encoder, Decoder, length_delimited};
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `tokio_io::length_delimited::FramedRead`: Moved to tokio-codec
[INFO] [stdout]    --> src/transport.rs:108:46
[INFO] [stdout]     |
[INFO] [stdout] 108 |             let deframed = length_delimited::FramedRead::new(socket);
[INFO] [stdout]     |                                              ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `tokio_io::length_delimited::FramedWrite`: Moved to tokio-codec
[INFO] [stdout]    --> src/transport.rs:143:44
[INFO] [stdout]     |
[INFO] [stdout] 143 |             let framed = length_delimited::FramedWrite::new(socket);
[INFO] [stdout]     |                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/model.rs:62:48
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub struct Process<A>(Vec<(Option<String>, Box<Fn(A) -> A>)>);
[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] 62 | pub struct Process<A>(Vec<(Option<String>, Box<dyn Fn(A) -> A>)>);
[INFO] [stdout]    |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/model.rs:72:29
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub invariants: Vec<Box<Fn(&A) -> bool>>,
[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] 72 |     pub invariants: Vec<Box<dyn Fn(&A) -> bool>>,
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/model.rs:73:49
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub processes: Vec<Vec<(Option<String>, Box<Fn(A) -> A>)>>,
[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] 73 |     pub processes: Vec<Vec<(Option<String>, Box<dyn Fn(A) -> A>)>>,
[INFO] [stdout]    |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/model.rs:65:41
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn new<'a>(steps: Vec<(&'a str, Box<Fn(A) -> A>)>) -> Process<A> {
[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] 65 |     fn new<'a>(steps: Vec<(&'a str, Box<dyn Fn(A) -> A>)>) -> Process<A> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `futures::sync::mpsc::UnboundedSender::<T>::send`: renamed to `unbounded_send`
[INFO] [stdout]   --> src/transport.rs:61:24
[INFO] [stdout]    |
[INFO] [stdout] 61 |                     tx.send(msg).unwrap();
[INFO] [stdout]    |                        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `peer`
[INFO] [stdout]   --> src/kernel.rs:38:20
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn ping(&self, peer: Peer) -> Result<(), ()> {
[INFO] [stdout]    |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_peer`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `peer`
[INFO] [stdout]   --> src/kernel.rs:42:21
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn purge(&self, peer: Peer) {}
[INFO] [stdout]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_peer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `note`
[INFO] [stdout]   --> src/model.rs:84:26
[INFO] [stdout]    |
[INFO] [stdout] 84 |                 let (ref note, ref f) = self.processes[choice][*index];
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_note`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `connections` is never read
[INFO] [stdout]   --> src/transport.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | struct TCPTransport<Rx, Tx> {
[INFO] [stdout]    |        ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 41 |     connections: Arc<RwLock<HashMap<SocketAddr, mpsc::UnboundedSender<Tx>>>>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/transport.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 44 | / impl<Rx, Tx> TCPTransport<Rx, Tx>
[INFO] [stdout] 45 | |     where Rx: Decodable + Send + 'static,
[INFO] [stdout] 46 | |           Tx: Encodable + Send + 'static
[INFO] [stdout]    | |________________________________________- associated function in this implementation
[INFO] [stdout] 47 |   {
[INFO] [stdout] 48 |       pub fn new(addr: SocketAddr) -> TCPTransport<Rx, Tx> {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `recv` is never used
[INFO] [stdout]   --> src/transport.rs:91:4
[INFO] [stdout]    |
[INFO] [stdout] 91 | fn recv<T>(addr: SocketAddr) -> Arc<MsQueue<(SocketAddr, T)>>
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `send` is never used
[INFO] [stdout]    --> src/transport.rs:130:4
[INFO] [stdout]     |
[INFO] [stdout] 130 | fn send<T>(addr: SocketAddr) -> mpsc::UnboundedSender<T>
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Connected` and `Disconnected` are never constructed
[INFO] [stdout]  --> src/kernel.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum PeerState {
[INFO] [stdout]   |          --------- variants in this enum
[INFO] [stdout] 2 |     Connected,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 3 |     Disconnected,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `state` and `addr` are never read
[INFO] [stdout]  --> src/kernel.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Peer {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 7 |     state: PeerState,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 8 |     addr: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `peers` is never read
[INFO] [stdout]   --> src/kernel.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct K {
[INFO] [stdout]    |            - field in this struct
[INFO] [stdout] 18 |     peers: Vec<Peer>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `cron` is never used
[INFO] [stdout]   --> src/kernel.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl K {
[INFO] [stdout]    | ------ method in this implementation
[INFO] [stdout] 28 |     fn cron(&self) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/model.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Runs {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 14 |     fn new<I>(inner: &Vec<Vec<I>>) -> Runs {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Process` is never constructed
[INFO] [stdout]   --> src/model.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub struct Process<A>(Vec<(Option<String>, Box<Fn(A) -> A>)>);
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/model.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 64 | impl<A> Process<A> {
[INFO] [stdout]    | ------------------ associated function in this implementation
[INFO] [stdout] 65 |     fn new<'a>(steps: Vec<(&'a str, Box<Fn(A) -> A>)>) -> Process<A> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `System` is never constructed
[INFO] [stdout]   --> src/model.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub struct System<A> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `test` is never used
[INFO] [stdout]   --> src/model.rs:77:8
[INFO] [stdout]    |
[INFO] [stdout] 76 | impl<A: Clone> System<A> {
[INFO] [stdout]    | ------------------------ method in this implementation
[INFO] [stdout] 77 |     fn test(&self) -> Result<(), String> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fact` is never used
[INFO] [stdout]    --> src/model.rs:101:4
[INFO] [stdout]     |
[INFO] [stdout] 101 | fn fact(n: usize) -> usize {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/transport.rs:109:50
[INFO] [stdout]     |
[INFO] [stdout] 109 |             let rx = deframed.map_err(|e| panic!(e))
[INFO] [stdout]     |                                                  ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 109 |             let rx = deframed.map_err(|e| panic!("{}", e))
[INFO] [stdout]     |                                                  +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 109 |             let rx = deframed.map_err(|e| std::panic::panic_any(e))
[INFO] [stdout]     |                                           ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/transport.rs:110:65
[INFO] [stdout]     |
[INFO] [stdout] 110 |                 .and_then(|buf| decode(&buf).map_err(|e| panic!(e)));
[INFO] [stdout]     |                                                                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 110 |                 .and_then(|buf| decode(&buf).map_err(|e| panic!("{}", e)));
[INFO] [stdout]     |                                                                 +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 110 |                 .and_then(|buf| decode(&buf).map_err(|e| std::panic::panic_any(e)));
[INFO] [stdout]     |                                                          ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/transport.rs:145:37
[INFO] [stdout]     |
[INFO] [stdout] 145 |                 .map_err(|e| panic!(e))
[INFO] [stdout]     |                                     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{:?}" format string to use the `Debug` implementation of `()`
[INFO] [stdout]     |
[INFO] [stdout] 145 |                 .map_err(|e| panic!("{:?}", e))
[INFO] [stdout]     |                                     +++++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 145 |                 .map_err(|e| std::panic::panic_any(e))
[INFO] [stdout]     |                              ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `futures::stream::MapErr` in tuple element 0 that must be used
[INFO] [stdout]    --> src/transport.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |         core.run(client).unwrap();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: streams do nothing unless polled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 53 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.69s
[INFO] running `Command { std: "docker" "inspect" "82545729ddcb56c00ac2c4a985c91783842dfae1d21f097e8adbef729b4fde7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82545729ddcb56c00ac2c4a985c91783842dfae1d21f097e8adbef729b4fde7e", kill_on_drop: false }`
[INFO] [stdout] 82545729ddcb56c00ac2c4a985c91783842dfae1d21f097e8adbef729b4fde7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fbb076dcd95f36e1d8a2e748bf9508076411c5663afa041009ef7a073e22d972
[INFO] running `Command { std: "docker" "start" "-a" "fbb076dcd95f36e1d8a2e748bf9508076411c5663afa041009ef7a073e22d972", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/transport.rs:160:17
[INFO] [stdout]     |
[INFO] [stdout] 160 | #[derive(Debug, 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/transport.rs:160:33
[INFO] [stdout]     |
[INFO] [stdout] 160 | #[derive(Debug, RustcEncodable, RustcDecodable)]
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert`
[INFO] [stdout]  --> src/transport.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/transport.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/transport.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter`
[INFO] [stdout]  --> src/transport.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::iter;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/transport.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str`
[INFO] [stdout]  --> src/transport.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::str;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]  --> src/transport.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Handle`
[INFO] [stdout]   --> src/transport.rs:17:33
[INFO] [stdout]    |
[INFO] [stdout] 17 | use tokio_core::reactor::{Core, Handle};
[INFO] [stdout]    |                                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DecodingResult`
[INFO] [stdout]   --> src/transport.rs:20:48
[INFO] [stdout]    |
[INFO] [stdout] 20 | use bincode::rustc_serialize::{encode, decode, DecodingResult};
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json`
[INFO] [stdout]   --> src/transport.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use serde_json;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufMut`, `BytesMut`
[INFO] [stdout]   --> src/transport.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 | use bytes::{BufMut, BytesMut};
[INFO] [stdout]    |             ^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Decoder`, `Encoder`
[INFO] [stdout]   --> src/transport.rs:23:23
[INFO] [stdout]    |
[INFO] [stdout] 23 | use tokio_io::codec::{Encoder, Decoder, length_delimited};
[INFO] [stdout]    |                       ^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio_io::AsyncRead`
[INFO] [stdout]   --> src/transport.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | use tokio_io::AsyncRead;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `future`, `sink`
[INFO] [stdout]   --> src/transport.rs:25:15
[INFO] [stdout]    |
[INFO] [stdout] 25 | use futures::{future, sink, Sink, Stream, Future, IntoFuture};
[INFO] [stdout]    |               ^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SplitSink`, `SplitStream`, `self`
[INFO] [stdout]   --> src/transport.rs:26:23
[INFO] [stdout]    |
[INFO] [stdout] 26 | use futures::stream::{self, SplitSink, SplitStream};
[INFO] [stdout]    |                       ^^^^  ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `uuid::Uuid`
[INFO] [stdout]   --> src/transport.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | use uuid::Uuid;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `from_binary`, `to_binary`
[INFO] [stdout]   --> src/transport.rs:29:6
[INFO] [stdout]    |
[INFO] [stdout] 29 | use {to_binary, from_binary};
[INFO] [stdout]    |      ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `kernel::Peer`
[INFO] [stdout]   --> src/transport.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | use kernel::Peer;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/kernel.rs:13:20
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn ping(&self, Peer) -> Result<(), ()>;
[INFO] [stdout]    |                    ^^^^ help: try naming the parameter or explicitly ignoring it: `_: Peer`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/kernel.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn purge(&self, Peer);
[INFO] [stdout]    |                     ^^^^ help: try naming the parameter or explicitly ignoring it: `_: Peer`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `crc16_arr`, `crc16`
[INFO] [stdout]   --> src/lib.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 | use crc16::{crc16_arr, crc16};
[INFO] [stdout]    |             ^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `tokio_io::codec::length_delimited`: Moved to tokio-codec
[INFO] [stdout]   --> src/transport.rs:23:41
[INFO] [stdout]    |
[INFO] [stdout] 23 | use tokio_io::codec::{Encoder, Decoder, length_delimited};
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `tokio_io::length_delimited::FramedRead`: Moved to tokio-codec
[INFO] [stdout]    --> src/transport.rs:108:46
[INFO] [stdout]     |
[INFO] [stdout] 108 |             let deframed = length_delimited::FramedRead::new(socket);
[INFO] [stdout]     |                                              ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `tokio_io::length_delimited::FramedWrite`: Moved to tokio-codec
[INFO] [stdout]    --> src/transport.rs:143:44
[INFO] [stdout]     |
[INFO] [stdout] 143 |             let framed = length_delimited::FramedWrite::new(socket);
[INFO] [stdout]     |                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/model.rs:62:48
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub struct Process<A>(Vec<(Option<String>, Box<Fn(A) -> A>)>);
[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] 62 | pub struct Process<A>(Vec<(Option<String>, Box<dyn Fn(A) -> A>)>);
[INFO] [stdout]    |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/model.rs:72:29
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub invariants: Vec<Box<Fn(&A) -> bool>>,
[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] 72 |     pub invariants: Vec<Box<dyn Fn(&A) -> bool>>,
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/model.rs:73:49
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub processes: Vec<Vec<(Option<String>, Box<Fn(A) -> A>)>>,
[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] 73 |     pub processes: Vec<Vec<(Option<String>, Box<dyn Fn(A) -> A>)>>,
[INFO] [stdout]    |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/model.rs:65:41
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn new<'a>(steps: Vec<(&'a str, Box<Fn(A) -> A>)>) -> Process<A> {
[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] 65 |     fn new<'a>(steps: Vec<(&'a str, Box<dyn Fn(A) -> A>)>) -> Process<A> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `futures::sync::mpsc::UnboundedSender::<T>::send`: renamed to `unbounded_send`
[INFO] [stdout]   --> src/transport.rs:61:24
[INFO] [stdout]    |
[INFO] [stdout] 61 |                     tx.send(msg).unwrap();
[INFO] [stdout]    |                        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `peer`
[INFO] [stdout]   --> src/kernel.rs:38:20
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn ping(&self, peer: Peer) -> Result<(), ()> {
[INFO] [stdout]    |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_peer`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `peer`
[INFO] [stdout]   --> src/kernel.rs:42:21
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn purge(&self, peer: Peer) {}
[INFO] [stdout]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_peer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `note`
[INFO] [stdout]   --> src/model.rs:84:26
[INFO] [stdout]    |
[INFO] [stdout] 84 |                 let (ref note, ref f) = self.processes[choice][*index];
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_note`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `connections` is never read
[INFO] [stdout]   --> src/transport.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | struct TCPTransport<Rx, Tx> {
[INFO] [stdout]    |        ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 41 |     connections: Arc<RwLock<HashMap<SocketAddr, mpsc::UnboundedSender<Tx>>>>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/transport.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 44 | / impl<Rx, Tx> TCPTransport<Rx, Tx>
[INFO] [stdout] 45 | |     where Rx: Decodable + Send + 'static,
[INFO] [stdout] 46 | |           Tx: Encodable + Send + 'static
[INFO] [stdout]    | |________________________________________- associated function in this implementation
[INFO] [stdout] 47 |   {
[INFO] [stdout] 48 |       pub fn new(addr: SocketAddr) -> TCPTransport<Rx, Tx> {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `recv` is never used
[INFO] [stdout]   --> src/transport.rs:91:4
[INFO] [stdout]    |
[INFO] [stdout] 91 | fn recv<T>(addr: SocketAddr) -> Arc<MsQueue<(SocketAddr, T)>>
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `send` is never used
[INFO] [stdout]    --> src/transport.rs:130:4
[INFO] [stdout]     |
[INFO] [stdout] 130 | fn send<T>(addr: SocketAddr) -> mpsc::UnboundedSender<T>
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Connected` and `Disconnected` are never constructed
[INFO] [stdout]  --> src/kernel.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum PeerState {
[INFO] [stdout]   |          --------- variants in this enum
[INFO] [stdout] 2 |     Connected,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 3 |     Disconnected,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `state` and `addr` are never read
[INFO] [stdout]  --> src/kernel.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Peer {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 7 |     state: PeerState,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 8 |     addr: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `peers` is never read
[INFO] [stdout]   --> src/kernel.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct K {
[INFO] [stdout]    |            - field in this struct
[INFO] [stdout] 18 |     peers: Vec<Peer>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `cron` is never used
[INFO] [stdout]   --> src/kernel.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl K {
[INFO] [stdout]    | ------ method in this implementation
[INFO] [stdout] 28 |     fn cron(&self) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/model.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Runs {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 14 |     fn new<I>(inner: &Vec<Vec<I>>) -> Runs {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Process` is never constructed
[INFO] [stdout]   --> src/model.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub struct Process<A>(Vec<(Option<String>, Box<Fn(A) -> A>)>);
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/model.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 64 | impl<A> Process<A> {
[INFO] [stdout]    | ------------------ associated function in this implementation
[INFO] [stdout] 65 |     fn new<'a>(steps: Vec<(&'a str, Box<Fn(A) -> A>)>) -> Process<A> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `System` is never constructed
[INFO] [stdout]   --> src/model.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub struct System<A> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `test` is never used
[INFO] [stdout]   --> src/model.rs:77:8
[INFO] [stdout]    |
[INFO] [stdout] 76 | impl<A: Clone> System<A> {
[INFO] [stdout]    | ------------------------ method in this implementation
[INFO] [stdout] 77 |     fn test(&self) -> Result<(), String> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fact` is never used
[INFO] [stdout]    --> src/model.rs:101:4
[INFO] [stdout]     |
[INFO] [stdout] 101 | fn fact(n: usize) -> usize {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/transport.rs:109:50
[INFO] [stdout]     |
[INFO] [stdout] 109 |             let rx = deframed.map_err(|e| panic!(e))
[INFO] [stdout]     |                                                  ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 109 |             let rx = deframed.map_err(|e| panic!("{}", e))
[INFO] [stdout]     |                                                  +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 109 |             let rx = deframed.map_err(|e| std::panic::panic_any(e))
[INFO] [stdout]     |                                           ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/transport.rs:110:65
[INFO] [stdout]     |
[INFO] [stdout] 110 |                 .and_then(|buf| decode(&buf).map_err(|e| panic!(e)));
[INFO] [stdout]     |                                                                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 110 |                 .and_then(|buf| decode(&buf).map_err(|e| panic!("{}", e)));
[INFO] [stdout]     |                                                                 +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 110 |                 .and_then(|buf| decode(&buf).map_err(|e| std::panic::panic_any(e)));
[INFO] [stdout]     |                                                          ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/transport.rs:145:37
[INFO] [stdout]     |
[INFO] [stdout] 145 |                 .map_err(|e| panic!(e))
[INFO] [stdout]     |                                     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{:?}" format string to use the `Debug` implementation of `()`
[INFO] [stdout]     |
[INFO] [stdout] 145 |                 .map_err(|e| panic!("{:?}", e))
[INFO] [stdout]     |                                     +++++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 145 |                 .map_err(|e| std::panic::panic_any(e))
[INFO] [stdout]     |                              ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `futures::stream::MapErr` in tuple element 0 that must be used
[INFO] [stdout]    --> src/transport.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |         core.run(client).unwrap();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: streams do nothing unless polled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 53 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling quickcheck v0.2.27
[INFO] [stderr]    Compiling crack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/transport.rs:160:17
[INFO] [stdout]     |
[INFO] [stdout] 160 | #[derive(Debug, 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/transport.rs:160:33
[INFO] [stdout]     |
[INFO] [stdout] 160 | #[derive(Debug, RustcEncodable, RustcDecodable)]
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert`
[INFO] [stdout]  --> src/transport.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/transport.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/transport.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter`
[INFO] [stdout]  --> src/transport.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::iter;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/transport.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str`
[INFO] [stdout]  --> src/transport.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::str;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]  --> src/transport.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Handle`
[INFO] [stdout]   --> src/transport.rs:17:33
[INFO] [stdout]    |
[INFO] [stdout] 17 | use tokio_core::reactor::{Core, Handle};
[INFO] [stdout]    |                                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DecodingResult`
[INFO] [stdout]   --> src/transport.rs:20:48
[INFO] [stdout]    |
[INFO] [stdout] 20 | use bincode::rustc_serialize::{encode, decode, DecodingResult};
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json`
[INFO] [stdout]   --> src/transport.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use serde_json;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufMut`, `BytesMut`
[INFO] [stdout]   --> src/transport.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 | use bytes::{BufMut, BytesMut};
[INFO] [stdout]    |             ^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Decoder`, `Encoder`
[INFO] [stdout]   --> src/transport.rs:23:23
[INFO] [stdout]    |
[INFO] [stdout] 23 | use tokio_io::codec::{Encoder, Decoder, length_delimited};
[INFO] [stdout]    |                       ^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio_io::AsyncRead`
[INFO] [stdout]   --> src/transport.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | use tokio_io::AsyncRead;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `future`, `sink`
[INFO] [stdout]   --> src/transport.rs:25:15
[INFO] [stdout]    |
[INFO] [stdout] 25 | use futures::{future, sink, Sink, Stream, Future, IntoFuture};
[INFO] [stdout]    |               ^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SplitSink`, `SplitStream`, `self`
[INFO] [stdout]   --> src/transport.rs:26:23
[INFO] [stdout]    |
[INFO] [stdout] 26 | use futures::stream::{self, SplitSink, SplitStream};
[INFO] [stdout]    |                       ^^^^  ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `uuid::Uuid`
[INFO] [stdout]   --> src/transport.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | use uuid::Uuid;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `from_binary`, `to_binary`
[INFO] [stdout]   --> src/transport.rs:29:6
[INFO] [stdout]    |
[INFO] [stdout] 29 | use {to_binary, from_binary};
[INFO] [stdout]    |      ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `kernel::Peer`
[INFO] [stdout]   --> src/transport.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | use kernel::Peer;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/kernel.rs:13:20
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn ping(&self, Peer) -> Result<(), ()>;
[INFO] [stdout]    |                    ^^^^ help: try naming the parameter or explicitly ignoring it: `_: Peer`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/kernel.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn purge(&self, Peer);
[INFO] [stdout]    |                     ^^^^ help: try naming the parameter or explicitly ignoring it: `_: Peer`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `crc16_arr`, `crc16`
[INFO] [stdout]   --> src/lib.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 | use crc16::{crc16_arr, crc16};
[INFO] [stdout]    |             ^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `tokio_io::codec::length_delimited`: Moved to tokio-codec
[INFO] [stdout]   --> src/transport.rs:23:41
[INFO] [stdout]    |
[INFO] [stdout] 23 | use tokio_io::codec::{Encoder, Decoder, length_delimited};
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `tokio_io::length_delimited::FramedRead`: Moved to tokio-codec
[INFO] [stdout]    --> src/transport.rs:108:46
[INFO] [stdout]     |
[INFO] [stdout] 108 |             let deframed = length_delimited::FramedRead::new(socket);
[INFO] [stdout]     |                                              ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `tokio_io::length_delimited::FramedWrite`: Moved to tokio-codec
[INFO] [stdout]    --> src/transport.rs:143:44
[INFO] [stdout]     |
[INFO] [stdout] 143 |             let framed = length_delimited::FramedWrite::new(socket);
[INFO] [stdout]     |                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]    --> src/transport.rs:172:17
[INFO] [stdout]     |
[INFO] [stdout] 172 |         thread::sleep_ms(300);
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/model.rs:62:48
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub struct Process<A>(Vec<(Option<String>, Box<Fn(A) -> A>)>);
[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] 62 | pub struct Process<A>(Vec<(Option<String>, Box<dyn Fn(A) -> A>)>);
[INFO] [stdout]    |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/model.rs:72:29
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub invariants: Vec<Box<Fn(&A) -> bool>>,
[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] 72 |     pub invariants: Vec<Box<dyn Fn(&A) -> bool>>,
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/model.rs:73:49
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub processes: Vec<Vec<(Option<String>, Box<Fn(A) -> A>)>>,
[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] 73 |     pub processes: Vec<Vec<(Option<String>, Box<dyn Fn(A) -> A>)>>,
[INFO] [stdout]    |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/model.rs:65:41
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn new<'a>(steps: Vec<(&'a str, Box<Fn(A) -> A>)>) -> Process<A> {
[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] 65 |     fn new<'a>(steps: Vec<(&'a str, Box<dyn Fn(A) -> A>)>) -> Process<A> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `futures::sync::mpsc::UnboundedSender::<T>::send`: renamed to `unbounded_send`
[INFO] [stdout]   --> src/transport.rs:61:24
[INFO] [stdout]    |
[INFO] [stdout] 61 |                     tx.send(msg).unwrap();
[INFO] [stdout]    |                        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/transport.rs:180:13
[INFO] [stdout]     |
[INFO] [stdout] 180 |         for i in 1..4 {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `peer`
[INFO] [stdout]   --> src/kernel.rs:38:20
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn ping(&self, peer: Peer) -> Result<(), ()> {
[INFO] [stdout]    |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_peer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `peer`
[INFO] [stdout]   --> src/kernel.rs:42:21
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn purge(&self, peer: Peer) {}
[INFO] [stdout]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_peer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `note`
[INFO] [stdout]   --> src/model.rs:84:26
[INFO] [stdout]    |
[INFO] [stdout] 84 |                 let (ref note, ref f) = self.processes[choice][*index];
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_note`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `connections` is never read
[INFO] [stdout]   --> src/transport.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | struct TCPTransport<Rx, Tx> {
[INFO] [stdout]    |        ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 41 |     connections: Arc<RwLock<HashMap<SocketAddr, mpsc::UnboundedSender<Tx>>>>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/transport.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 44 | / impl<Rx, Tx> TCPTransport<Rx, Tx>
[INFO] [stdout] 45 | |     where Rx: Decodable + Send + 'static,
[INFO] [stdout] 46 | |           Tx: Encodable + Send + 'static
[INFO] [stdout]    | |________________________________________- associated function in this implementation
[INFO] [stdout] 47 |   {
[INFO] [stdout] 48 |       pub fn new(addr: SocketAddr) -> TCPTransport<Rx, Tx> {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Connected` and `Disconnected` are never constructed
[INFO] [stdout]  --> src/kernel.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum PeerState {
[INFO] [stdout]   |          --------- variants in this enum
[INFO] [stdout] 2 |     Connected,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 3 |     Disconnected,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `state` and `addr` are never read
[INFO] [stdout]  --> src/kernel.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Peer {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 7 |     state: PeerState,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 8 |     addr: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `peers` is never read
[INFO] [stdout]   --> src/kernel.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct K {
[INFO] [stdout]    |            - field in this struct
[INFO] [stdout] 18 |     peers: Vec<Peer>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `cron` is never used
[INFO] [stdout]   --> src/kernel.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl K {
[INFO] [stdout]    | ------ method in this implementation
[INFO] [stdout] 28 |     fn cron(&self) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Inner` is never constructed
[INFO] [stdout]   --> src/fsm.rs:39:16
[INFO] [stdout]    |
[INFO] [stdout] 39 |         struct Inner {
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fact` is never used
[INFO] [stdout]    --> src/model.rs:101:4
[INFO] [stdout]     |
[INFO] [stdout] 101 | fn fact(n: usize) -> usize {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/transport.rs:109:50
[INFO] [stdout]     |
[INFO] [stdout] 109 |             let rx = deframed.map_err(|e| panic!(e))
[INFO] [stdout]     |                                                  ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 109 |             let rx = deframed.map_err(|e| panic!("{}", e))
[INFO] [stdout]     |                                                  +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 109 |             let rx = deframed.map_err(|e| std::panic::panic_any(e))
[INFO] [stdout]     |                                           ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/transport.rs:110:65
[INFO] [stdout]     |
[INFO] [stdout] 110 |                 .and_then(|buf| decode(&buf).map_err(|e| panic!(e)));
[INFO] [stdout]     |                                                                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 110 |                 .and_then(|buf| decode(&buf).map_err(|e| panic!("{}", e)));
[INFO] [stdout]     |                                                                 +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 110 |                 .and_then(|buf| decode(&buf).map_err(|e| std::panic::panic_any(e)));
[INFO] [stdout]     |                                                          ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/transport.rs:145:37
[INFO] [stdout]     |
[INFO] [stdout] 145 |                 .map_err(|e| panic!(e))
[INFO] [stdout]     |                                     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{:?}" format string to use the `Debug` implementation of `()`
[INFO] [stdout]     |
[INFO] [stdout] 145 |                 .map_err(|e| panic!("{:?}", e))
[INFO] [stdout]     |                                     +++++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 145 |                 .map_err(|e| std::panic::panic_any(e))
[INFO] [stdout]     |                              ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `futures::stream::MapErr` in tuple element 0 that must be used
[INFO] [stdout]    --> src/transport.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |         core.run(client).unwrap();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: streams do nothing unless polled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 49 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.13s
[INFO] running `Command { std: "docker" "inspect" "fbb076dcd95f36e1d8a2e748bf9508076411c5663afa041009ef7a073e22d972", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbb076dcd95f36e1d8a2e748bf9508076411c5663afa041009ef7a073e22d972", kill_on_drop: false }`
[INFO] [stdout] fbb076dcd95f36e1d8a2e748bf9508076411c5663afa041009ef7a073e22d972
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ea4f10205af4a7ad4c54b43b8b4a229b01c09b04cb5dca2c8cbeb6348225ba3c
[INFO] running `Command { std: "docker" "start" "-a" "ea4f10205af4a7ad4c54b43b8b4a229b01c09b04cb5dca2c8cbeb6348225ba3c", kill_on_drop: false }`
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stderr]    --> src/transport.rs:160:17
[INFO] [stderr]     |
[INFO] [stderr] 160 | #[derive(Debug, RustcEncodable, RustcDecodable)]
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stderr]    --> src/transport.rs:160:33
[INFO] [stderr]     |
[INFO] [stderr] 160 | #[derive(Debug, RustcEncodable, RustcDecodable)]
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::convert`
[INFO] [stderr]  --> src/transport.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::convert;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cell::RefCell`
[INFO] [stderr]  --> src/transport.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::cell::RefCell;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/transport.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::iter`
[INFO] [stderr]  --> src/transport.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::iter;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::rc::Rc`
[INFO] [stderr]  --> src/transport.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::rc::Rc;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]  --> src/transport.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::str;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::marker::PhantomData`
[INFO] [stderr]  --> src/transport.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::marker::PhantomData;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Handle`
[INFO] [stderr]   --> src/transport.rs:17:33
[INFO] [stderr]    |
[INFO] [stderr] 17 | use tokio_core::reactor::{Core, Handle};
[INFO] [stderr]    |                                 ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `DecodingResult`
[INFO] [stderr]   --> src/transport.rs:20:48
[INFO] [stderr]    |
[INFO] [stderr] 20 | use bincode::rustc_serialize::{encode, decode, DecodingResult};
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serde_json`
[INFO] [stderr]   --> src/transport.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | use serde_json;
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BufMut`, `BytesMut`
[INFO] [stderr]   --> src/transport.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 | use bytes::{BufMut, BytesMut};
[INFO] [stderr]    |             ^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Decoder`, `Encoder`
[INFO] [stderr]   --> src/transport.rs:23:23
[INFO] [stderr]    |
[INFO] [stderr] 23 | use tokio_io::codec::{Encoder, Decoder, length_delimited};
[INFO] [stderr]    |                       ^^^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio_io::AsyncRead`
[INFO] [stderr]   --> src/transport.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 | use tokio_io::AsyncRead;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `future`, `sink`
[INFO] [stderr]   --> src/transport.rs:25:15
[INFO] [stderr]    |
[INFO] [stderr] 25 | use futures::{future, sink, Sink, Stream, Future, IntoFuture};
[INFO] [stderr]    |               ^^^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `SplitSink`, `SplitStream`, `self`
[INFO] [stderr]   --> src/transport.rs:26:23
[INFO] [stderr]    |
[INFO] [stderr] 26 | use futures::stream::{self, SplitSink, SplitStream};
[INFO] [stderr]    |                       ^^^^  ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `uuid::Uuid`
[INFO] [stderr]   --> src/transport.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 | use uuid::Uuid;
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `from_binary`, `to_binary`
[INFO] [stderr]   --> src/transport.rs:29:6
[INFO] [stderr]    |
[INFO] [stderr] 29 | use {to_binary, from_binary};
[INFO] [stderr]    |      ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `kernel::Peer`
[INFO] [stderr]   --> src/transport.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 | use kernel::Peer;
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]   --> src/kernel.rs:13:20
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn ping(&self, Peer) -> Result<(), ()>;
[INFO] [stderr]    |                    ^^^^ help: try naming the parameter or explicitly ignoring it: `_: Peer`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]   --> src/kernel.rs:14:21
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn purge(&self, Peer);
[INFO] [stderr]    |                     ^^^^ help: try naming the parameter or explicitly ignoring it: `_: Peer`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `crc16_arr`, `crc16`
[INFO] [stderr]   --> src/lib.rs:29:13
[INFO] [stderr]    |
[INFO] [stderr] 29 | use crc16::{crc16_arr, crc16};
[INFO] [stderr]    |             ^^^^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated module `tokio_io::codec::length_delimited`: Moved to tokio-codec
[INFO] [stderr]   --> src/transport.rs:23:41
[INFO] [stderr]    |
[INFO] [stderr] 23 | use tokio_io::codec::{Encoder, Decoder, length_delimited};
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated struct `tokio_io::length_delimited::FramedRead`: Moved to tokio-codec
[INFO] [stderr]    --> src/transport.rs:108:46
[INFO] [stderr]     |
[INFO] [stderr] 108 |             let deframed = length_delimited::FramedRead::new(socket);
[INFO] [stderr]     |                                              ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated struct `tokio_io::length_delimited::FramedWrite`: Moved to tokio-codec
[INFO] [stderr]    --> src/transport.rs:143:44
[INFO] [stderr]     |
[INFO] [stderr] 143 |             let framed = length_delimited::FramedWrite::new(socket);
[INFO] [stderr]     |                                            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/model.rs:62:48
[INFO] [stderr]    |
[INFO] [stderr] 62 | pub struct Process<A>(Vec<(Option<String>, Box<Fn(A) -> A>)>);
[INFO] [stderr]    |                                                ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 62 | pub struct Process<A>(Vec<(Option<String>, Box<dyn Fn(A) -> A>)>);
[INFO] [stderr]    |                                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/model.rs:72:29
[INFO] [stderr]    |
[INFO] [stderr] 72 |     pub invariants: Vec<Box<Fn(&A) -> bool>>,
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 72 |     pub invariants: Vec<Box<dyn Fn(&A) -> bool>>,
[INFO] [stderr]    |                             +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/model.rs:73:49
[INFO] [stderr]    |
[INFO] [stderr] 73 |     pub processes: Vec<Vec<(Option<String>, Box<Fn(A) -> A>)>>,
[INFO] [stderr]    |                                                 ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 73 |     pub processes: Vec<Vec<(Option<String>, Box<dyn Fn(A) -> A>)>>,
[INFO] [stderr]    |                                                 +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/model.rs:65:41
[INFO] [stderr]    |
[INFO] [stderr] 65 |     fn new<'a>(steps: Vec<(&'a str, Box<Fn(A) -> A>)>) -> Process<A> {
[INFO] [stderr]    |                                         ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 65 |     fn new<'a>(steps: Vec<(&'a str, Box<dyn Fn(A) -> A>)>) -> Process<A> {
[INFO] [stderr]    |                                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `futures::sync::mpsc::UnboundedSender::<T>::send`: renamed to `unbounded_send`
[INFO] [stderr]   --> src/transport.rs:61:24
[INFO] [stderr]    |
[INFO] [stderr] 61 |                     tx.send(msg).unwrap();
[INFO] [stderr]    |                        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `peer`
[INFO] [stderr]   --> src/kernel.rs:38:20
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn ping(&self, peer: Peer) -> Result<(), ()> {
[INFO] [stderr]    |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_peer`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `peer`
[INFO] [stderr]   --> src/kernel.rs:42:21
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn purge(&self, peer: Peer) {}
[INFO] [stderr]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_peer`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `note`
[INFO] [stderr]   --> src/model.rs:84:26
[INFO] [stderr]    |
[INFO] [stderr] 84 |                 let (ref note, ref f) = self.processes[choice][*index];
[INFO] [stderr]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_note`
[INFO] [stderr] 
[INFO] [stderr] warning: field `connections` is never read
[INFO] [stderr]   --> src/transport.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 38 | struct TCPTransport<Rx, Tx> {
[INFO] [stderr]    |        ------------ field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 41 |     connections: Arc<RwLock<HashMap<SocketAddr, mpsc::UnboundedSender<Tx>>>>,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/transport.rs:48:12
[INFO] [stderr]    |
[INFO] [stderr] 44 | / impl<Rx, Tx> TCPTransport<Rx, Tx>
[INFO] [stderr] 45 | |     where Rx: Decodable + Send + 'static,
[INFO] [stderr] 46 | |           Tx: Encodable + Send + 'static
[INFO] [stderr]    | |________________________________________- associated function in this implementation
[INFO] [stderr] 47 |   {
[INFO] [stderr] 48 |       pub fn new(addr: SocketAddr) -> TCPTransport<Rx, Tx> {
[INFO] [stderr]    |              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `recv` is never used
[INFO] [stderr]   --> src/transport.rs:91:4
[INFO] [stderr]    |
[INFO] [stderr] 91 | fn recv<T>(addr: SocketAddr) -> Arc<MsQueue<(SocketAddr, T)>>
[INFO] [stderr]    |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `send` is never used
[INFO] [stderr]    --> src/transport.rs:130:4
[INFO] [stderr]     |
[INFO] [stderr] 130 | fn send<T>(addr: SocketAddr) -> mpsc::UnboundedSender<T>
[INFO] [stderr]     |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Connected` and `Disconnected` are never constructed
[INFO] [stderr]  --> src/kernel.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub enum PeerState {
[INFO] [stderr]   |          --------- variants in this enum
[INFO] [stderr] 2 |     Connected,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 3 |     Disconnected,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `state` and `addr` are never read
[INFO] [stderr]  --> src/kernel.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub struct Peer {
[INFO] [stderr]   |            ---- fields in this struct
[INFO] [stderr] 7 |     state: PeerState,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 8 |     addr: String,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `peers` is never read
[INFO] [stderr]   --> src/kernel.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub struct K {
[INFO] [stderr]    |            - field in this struct
[INFO] [stderr] 18 |     peers: Vec<Peer>,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `cron` is never used
[INFO] [stderr]   --> src/kernel.rs:28:8
[INFO] [stderr]    |
[INFO] [stderr] 27 | impl K {
[INFO] [stderr]    | ------ method in this implementation
[INFO] [stderr] 28 |     fn cron(&self) {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/model.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 13 | impl Runs {
[INFO] [stderr]    | --------- associated function in this implementation
[INFO] [stderr] 14 |     fn new<I>(inner: &Vec<Vec<I>>) -> Runs {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Process` is never constructed
[INFO] [stderr]   --> src/model.rs:62:12
[INFO] [stderr]    |
[INFO] [stderr] 62 | pub struct Process<A>(Vec<(Option<String>, Box<Fn(A) -> A>)>);
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/model.rs:65:8
[INFO] [stderr]    |
[INFO] [stderr] 64 | impl<A> Process<A> {
[INFO] [stderr]    | ------------------ associated function in this implementation
[INFO] [stderr] 65 |     fn new<'a>(steps: Vec<(&'a str, Box<Fn(A) -> A>)>) -> Process<A> {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `System` is never constructed
[INFO] [stderr]   --> src/model.rs:70:12
[INFO] [stderr]    |
[INFO] [stderr] 70 | pub struct System<A> {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `test` is never used
[INFO] [stderr]   --> src/model.rs:77:8
[INFO] [stderr]    |
[INFO] [stderr] 76 | impl<A: Clone> System<A> {
[INFO] [stderr]    | ------------------------ method in this implementation
[INFO] [stderr] 77 |     fn test(&self) -> Result<(), String> {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `fact` is never used
[INFO] [stderr]    --> src/model.rs:101:4
[INFO] [stderr]     |
[INFO] [stderr] 101 | fn fact(n: usize) -> usize {
[INFO] [stderr]     |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/transport.rs:109:50
[INFO] [stderr]     |
[INFO] [stderr] 109 |             let rx = deframed.map_err(|e| panic!(e))
[INFO] [stderr]     |                                                  ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]     |
[INFO] [stderr] 109 |             let rx = deframed.map_err(|e| panic!("{}", e))
[INFO] [stderr]     |                                                  +++++
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]     |
[INFO] [stderr] 109 |             let rx = deframed.map_err(|e| std::panic::panic_any(e))
[INFO] [stderr]     |                                           ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/transport.rs:110:65
[INFO] [stderr]     |
[INFO] [stderr] 110 |                 .and_then(|buf| decode(&buf).map_err(|e| panic!(e)));
[INFO] [stderr]     |                                                                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]     |
[INFO] [stderr] 110 |                 .and_then(|buf| decode(&buf).map_err(|e| panic!("{}", e)));
[INFO] [stderr]     |                                                                 +++++
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]     |
[INFO] [stderr] 110 |                 .and_then(|buf| decode(&buf).map_err(|e| std::panic::panic_any(e)));
[INFO] [stderr]     |                                                          ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/transport.rs:145:37
[INFO] [stderr]     |
[INFO] [stderr] 145 |                 .map_err(|e| panic!(e))
[INFO] [stderr]     |                                     ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{:?}" format string to use the `Debug` implementation of `()`
[INFO] [stderr]     |
[INFO] [stderr] 145 |                 .map_err(|e| panic!("{:?}", e))
[INFO] [stderr]     |                                     +++++++
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]     |
[INFO] [stderr] 145 |                 .map_err(|e| std::panic::panic_any(e))
[INFO] [stderr]     |                              ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] 
[INFO] [stderr] warning: unused `futures::stream::MapErr` in tuple element 0 that must be used
[INFO] [stderr]    --> src/transport.rs:151:9
[INFO] [stderr]     |
[INFO] [stderr] 151 |         core.run(client).unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: streams do nothing unless polled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stderr]    --> src/transport.rs:172:17
[INFO] [stderr]     |
[INFO] [stderr] 172 |         thread::sleep_ms(300);
[INFO] [stderr]     |                 ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/transport.rs:180:13
[INFO] [stderr]     |
[INFO] [stderr] 180 |         for i in 1..4 {
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `peer`
[INFO] [stderr]   --> src/kernel.rs:38:20
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn ping(&self, peer: Peer) -> Result<(), ()> {
[INFO] [stderr]    |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_peer`
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Inner` is never constructed
[INFO] [stderr]   --> src/fsm.rs:39:16
[INFO] [stderr]    |
[INFO] [stderr] 39 |         struct Inner {
[INFO] [stderr]    |                ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `crack` (lib) generated 53 warnings (run `cargo fix --lib -p crack` to apply 31 suggestions)
[INFO] [stderr] warning: `crack` (lib test) generated 49 warnings (45 duplicates) (run `cargo fix --lib -p crack --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/crack-7abc8d4f23a884dc)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test fsm::tests::it_works ... ignored
[INFO] [stderr] thread 'transport::tests::it_works' panicked at library/core/src/panicking.rs:155:5:
[INFO] [stdout] test kernel::tests::it_works ... ok
[INFO] [stderr] attempted to leave type `(core::net::socket_addr::SocketAddr, transport::Msg)` uninitialized, which is invalid
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55bcdceccb06 - std::backtrace_rs::backtrace::libunwind::trace::h261606ad26a499c1
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stderr]    1:     0x55bcdceccb06 - std::backtrace_rs::backtrace::trace_unsynchronized::hd183f0625477fb28
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]    2:     0x55bcdceccb06 - std::sys_common::backtrace::_print_fmt::hd7f8fef21b4eda67
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]    3:     0x55bcdceccb06 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h623d9b51f2f453f1
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]    4:     0x55bcdcef8250 - core::fmt::rt::Argument::fmt::h9f417ac76a86f368
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/fmt/rt.rs:142:9
[INFO] [stderr]    5:     0x55bcdcef8250 - core::fmt::write::hc9b6faf4ac2aeff7
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/fmt/mod.rs:1120:17
[INFO] [stderr]    6:     0x55bcdceca08f - std::io::Write::write_fmt::hfead1eee52c2e65e
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/io/mod.rs:1810:15
[INFO] [stderr]    7:     0x55bcdcecc8e4 - std::sys_common::backtrace::_print::hd5d66399c7df88a2
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]    8:     0x55bcdcecc8e4 - std::sys_common::backtrace::print::he81ed2da642d37e5
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]    9:     0x55bcdcece657 - std::panicking::default_hook::{{closure}}::h85773f4fa117163d
[INFO] [stderr]   10:     0x55bcdcece3b9 - std::panicking::default_hook::h6a1694a91d09b278
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:292:9
[INFO] [stderr]   11:     0x55bcdcd95e47 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h616ac37fa3cd6c8f
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2029:9
[INFO] [stderr]   12:     0x55bcdcd95e47 - test::test_main::{{closure}}::h00d84697cefdcbb6
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:138:21
[INFO] [stderr]   13:     0x55bcdcecec76 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hcb3fe3b9bb537ba8
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2029:9
[INFO] [stderr]   14:     0x55bcdcecec76 - std::panicking::rust_panic_with_hook::h0a7ad96e90f7145b
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:783:13
[INFO] [stderr]   15:     0x55bcdcece989 - std::panicking::begin_panic_handler::{{closure}}::h7919090525c6485e
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:649:13
[INFO] [stderr]   16:     0x55bcdcecd006 - std::sys_common::backtrace::__rust_end_short_backtrace::hf3289479464f7dfe
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stderr]   17:     0x55bcdcece720 - rust_begin_unwind
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:645:5
[INFO] [stderr]   18:     0x55bcdcd30d9a - core::panicking::panic_nounwind_fmt::runtime::hb5f50ebfb7c183b9
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panicking.rs:110:18
[INFO] [stderr]   19:     0x55bcdcd30d9a - core::panicking::panic_nounwind_fmt::he516aba6085c9891
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panicking.rs:122:9
[INFO] [stderr]   20:     0x55bcdcd30e49 - core::panicking::panic_nounwind::h04fa3139bc1c676e
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panicking.rs:155:5
[INFO] [stderr]   21:     0x55bcdcd3a57f - core::mem::uninitialized::h4eb03110f648d296
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/mem/mod.rs:693:9
[INFO] [stderr]   22:     0x55bcdcd3a57f - crossbeam::sync::ms_queue::MsQueue<T>::new::h9ce8f221b971ac3f
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/crossbeam-0.2.12/src/sync/ms_queue.rs:66:45
[INFO] [stderr]   23:     0x55bcdcd3c27b - crack::transport::recv::hb7af1bcf394d0615
[INFO] [stderr]                                at /opt/rustwide/workdir/src/transport.rs:95:25
[INFO] [stderr]   24:     0x55bcdcd487d9 - crack::transport::tests::it_works::hdb87c0cea56c4f9f
[INFO] [stderr]                                at /opt/rustwide/workdir/src/transport.rs:171:18
[INFO] [stderr]   25:     0x55bcdcd48767 - crack::transport::tests::it_works::{{closure}}::hc5a85f915b105565
[INFO] [stderr]                                at /opt/rustwide/workdir/src/transport.rs:170:18
[INFO] [stderr]   26:     0x55bcdcd5a806 - core::ops::function::FnOnce::call_once::h86140f7860ae627f
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   27:     0x55bcdcd9b71f - core::ops::function::FnOnce::call_once::hd64d26f405258157
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   28:     0x55bcdcd9b71f - test::__rust_begin_short_backtrace::he21b0b7a6d731bf9
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:627:18
[INFO] [stderr]   29:     0x55bcdcd9a4a1 - test::run_test_in_process::{{closure}}::hf5c73986d7bdfde2
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:650:60
[INFO] [stderr]   30:     0x55bcdcd9a4a1 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h330011ad032aadc0
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stderr]   31:     0x55bcdcd9a4a1 - std::panicking::try::do_call::he61b0a958b795a41
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:552:40
[INFO] [stderr]   32:     0x55bcdcd9a4a1 - std::panicking::try::h7309da130f906eb7
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:516:19
[INFO] [stderr]   33:     0x55bcdcd9a4a1 - std::panic::catch_unwind::hc5c3a06fdaf0a92a
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panic.rs:142:14
[INFO] [stderr]   34:     0x55bcdcd9a4a1 - test::run_test_in_process::h7e7b7c71c3324e0f
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:650:27
[INFO] [stderr]   35:     0x55bcdcd9a4a1 - test::run_test::{{closure}}::h1f509f28f5cf20b1
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:573:43
[INFO] [stderr]   36:     0x55bcdcd617d6 - test::run_test::{{closure}}::h1754218abf443f6d
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:601:41
[INFO] [stderr]   37:     0x55bcdcd617d6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h2ee174b9d5954948
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stderr]   38:     0x55bcdcd66837 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hf60bee9c1a17ef09
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/thread/mod.rs:529:17
[INFO] [stderr]   39:     0x55bcdcd66837 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h33d0dddec5216160
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stderr]   40:     0x55bcdcd66837 - std::panicking::try::do_call::h144b3048b546f835
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:552:40
[INFO] [stderr]   41:     0x55bcdcd66837 - std::panicking::try::h978244d04646189f
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:516:19
[INFO] [stderr]   42:     0x55bcdcd66837 - std::panic::catch_unwind::hdf436369d188fe86
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panic.rs:142:14
[INFO] [stderr]   43:     0x55bcdcd66837 - std::thread::Builder::spawn_unchecked_::{{closure}}::h87329cbdd33c79ec
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/thread/mod.rs:528:30
[INFO] [stderr]   44:     0x55bcdcd66837 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h401abbe67897d450
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   45:     0x55bcdced37c5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5d7c8f150ab9c84c
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2015:9
[INFO] [stderr]   46:     0x55bcdced37c5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h570d5b005c242c15
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2015:9
[INFO] [stderr]   47:     0x55bcdced37c5 - std::sys::unix::thread::Thread::new::thread_start::h36b0a20c0b2361ad
[INFO] [stderr]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stderr]   48:     0x7fc37f0d3ac3 - <unknown>
[INFO] [stderr]   49:     0x7fc37f164bf4 - __clone
[INFO] [stderr]   50:                0x0 - <unknown>
[INFO] [stderr] thread caused non-unwinding panic. aborting.
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/crack-7abc8d4f23a884dc` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "ea4f10205af4a7ad4c54b43b8b4a229b01c09b04cb5dca2c8cbeb6348225ba3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea4f10205af4a7ad4c54b43b8b4a229b01c09b04cb5dca2c8cbeb6348225ba3c", kill_on_drop: false }`
[INFO] [stdout] ea4f10205af4a7ad4c54b43b8b4a229b01c09b04cb5dca2c8cbeb6348225ba3c
